fix wrong git ignore

.gitignore

@@ -1,2 +1,2 @@
 dst
-*pdf
+*.pdf

internal/pdf/annotator/circle.go

@@ -0,0 +1,126 @@
+package annotator
+
+import (
+	"gitea.tecamino.com/paadi/pdfmerge/internal/pdf/common"
+
+	"gitea.tecamino.com/paadi/pdfmerge/internal/pdf/contentstream/draw"
+	pdfcore "gitea.tecamino.com/paadi/pdfmerge/internal/pdf/core"
+	pdf "gitea.tecamino.com/paadi/pdfmerge/internal/pdf/model"
+)
+
+type CircleAnnotationDef struct {
+	X             float64
+	Y             float64
+	Width         float64
+	Height        float64
+	FillEnabled   bool // Show fill?
+	FillColor     *pdf.PdfColorDeviceRGB
+	BorderEnabled bool // Show border?
+	BorderWidth   float64
+	BorderColor   *pdf.PdfColorDeviceRGB
+	Opacity       float64 // Alpha value (0-1).
+}
+
+// Creates a circle/ellipse annotation object with appearance stream that can be added to page PDF annotations.
+func CreateCircleAnnotation(circDef CircleAnnotationDef) (*pdf.PdfAnnotation, error) {
+	circAnnotation := pdf.NewPdfAnnotationCircle()
+
+	if circDef.BorderEnabled {
+		r, g, b := circDef.BorderColor.R(), circDef.BorderColor.G(), circDef.BorderColor.B()
+		circAnnotation.C = pdfcore.MakeArrayFromFloats([]float64{r, g, b})
+		bs := pdf.NewBorderStyle()
+		bs.SetBorderWidth(circDef.BorderWidth)
+		circAnnotation.BS = bs.ToPdfObject()
+	}
+
+	if circDef.FillEnabled {
+		r, g, b := circDef.FillColor.R(), circDef.FillColor.G(), circDef.FillColor.B()
+		circAnnotation.IC = pdfcore.MakeArrayFromFloats([]float64{r, g, b})
+	} else {
+		circAnnotation.IC = pdfcore.MakeArrayFromIntegers([]int{}) // No fill.
+	}
+
+	if circDef.Opacity < 1.0 {
+		circAnnotation.CA = pdfcore.MakeFloat(circDef.Opacity)
+	}
+
+	// Make the appearance stream (for uniform appearance).
+	apDict, bbox, err := makeCircleAnnotationAppearanceStream(circDef)
+	if err != nil {
+		return nil, err
+	}
+
+	circAnnotation.AP = apDict
+	circAnnotation.Rect = pdfcore.MakeArrayFromFloats([]float64{bbox.Llx, bbox.Lly, bbox.Urx, bbox.Ury})
+
+	return circAnnotation.PdfAnnotation, nil
+
+}
+
+func makeCircleAnnotationAppearanceStream(circDef CircleAnnotationDef) (*pdfcore.PdfObjectDictionary, *pdf.PdfRectangle, error) {
+	form := pdf.NewXObjectForm()
+	form.Resources = pdf.NewPdfPageResources()
+
+	gsName := ""
+	if circDef.Opacity < 1.0 {
+		// Create graphics state with right opacity.
+		gsState := pdfcore.MakeDict()
+		gsState.Set("ca", pdfcore.MakeFloat(circDef.Opacity))
+		gsState.Set("CA", pdfcore.MakeFloat(circDef.Opacity))
+		err := form.Resources.AddExtGState("gs1", gsState)
+		if err != nil {
+			common.Log.Debug("Unable to add extgstate gs1")
+			return nil, nil, err
+		}
+
+		gsName = "gs1"
+	}
+
+	content, localBbox, globalBbox, err := drawPdfCircle(circDef, gsName)
+	if err != nil {
+		return nil, nil, err
+	}
+
+	err = form.SetContentStream(content, nil)
+	if err != nil {
+		return nil, nil, err
+	}
+
+	// Local bounding box for the XObject Form.
+	form.BBox = localBbox.ToPdfObject()
+
+	apDict := pdfcore.MakeDict()
+	apDict.Set("N", form.ToPdfObject())
+
+	return apDict, globalBbox, nil
+}
+
+func drawPdfCircle(circDef CircleAnnotationDef, gsName string) ([]byte, *pdf.PdfRectangle, *pdf.PdfRectangle, error) {
+	// The annotation is drawn locally in a relative coordinate system with 0,0 as the origin rather than an offset.
+	circle := draw.Circle{
+		X:             circDef.X,
+		Y:             circDef.Y,
+		Width:         circDef.Width,
+		Height:        circDef.Height,
+		FillEnabled:   circDef.FillEnabled,
+		FillColor:     circDef.FillColor,
+		BorderEnabled: circDef.BorderEnabled,
+		BorderWidth:   circDef.BorderWidth,
+		BorderColor:   circDef.BorderColor,
+		Opacity:       circDef.Opacity,
+	}
+
+	content, localBbox, err := circle.Draw(gsName)
+	if err != nil {
+		return nil, nil, nil, err
+	}
+
+	// Bounding box - global page coordinate system (with offset).
+	globalBbox := &pdf.PdfRectangle{}
+	globalBbox.Llx = circDef.X + localBbox.Llx
+	globalBbox.Lly = circDef.Y + localBbox.Lly
+	globalBbox.Urx = circDef.X + localBbox.Urx
+	globalBbox.Ury = circDef.Y + localBbox.Ury
+
+	return content, localBbox, globalBbox, nil
+}

internal/pdf/annotator/line.go

@@ -0,0 +1,133 @@
+package annotator
+
+import (
+	"gitea.tecamino.com/paadi/pdfmerge/internal/pdf/common"
+	"gitea.tecamino.com/paadi/pdfmerge/internal/pdf/contentstream/draw"
+	pdfcore "gitea.tecamino.com/paadi/pdfmerge/internal/pdf/core"
+	pdf "gitea.tecamino.com/paadi/pdfmerge/internal/pdf/model"
+)
+
+// Defines a line between point 1 (X1,Y1) and point 2 (X2,Y2).  The line ending styles can be none (regular line),
+// or arrows at either end.  The line also has a specified width, color and opacity.
+type LineAnnotationDef struct {
+	X1               float64
+	Y1               float64
+	X2               float64
+	Y2               float64
+	LineColor        *pdf.PdfColorDeviceRGB
+	Opacity          float64 // Alpha value (0-1).
+	LineWidth        float64
+	LineEndingStyle1 draw.LineEndingStyle // Line ending style of point 1.
+	LineEndingStyle2 draw.LineEndingStyle // Line ending style of point 2.
+}
+
+// Creates a line annotation object that can be added to page PDF annotations.
+func CreateLineAnnotation(lineDef LineAnnotationDef) (*pdf.PdfAnnotation, error) {
+	// Line annotation.
+	lineAnnotation := pdf.NewPdfAnnotationLine()
+
+	// Line endpoint locations.
+	lineAnnotation.L = pdfcore.MakeArrayFromFloats([]float64{lineDef.X1, lineDef.Y1, lineDef.X2, lineDef.Y2})
+
+	// Line endings.
+	le1 := pdfcore.MakeName("None")
+	if lineDef.LineEndingStyle1 == draw.LineEndingStyleArrow {
+		le1 = pdfcore.MakeName("ClosedArrow")
+	}
+	le2 := pdfcore.MakeName("None")
+	if lineDef.LineEndingStyle2 == draw.LineEndingStyleArrow {
+		le2 = pdfcore.MakeName("ClosedArrow")
+	}
+	lineAnnotation.LE = pdfcore.MakeArray(le1, le2)
+
+	// Opacity.
+	if lineDef.Opacity < 1.0 {
+		lineAnnotation.CA = pdfcore.MakeFloat(lineDef.Opacity)
+	}
+
+	r, g, b := lineDef.LineColor.R(), lineDef.LineColor.G(), lineDef.LineColor.B()
+	lineAnnotation.IC = pdfcore.MakeArrayFromFloats([]float64{r, g, b}) // fill color of line endings, rgb 0-1.
+	lineAnnotation.C = pdfcore.MakeArrayFromFloats([]float64{r, g, b})  // line color, rgb 0-1.
+	bs := pdf.NewBorderStyle()
+	bs.SetBorderWidth(lineDef.LineWidth) // Line width: 3 points.
+	lineAnnotation.BS = bs.ToPdfObject()
+
+	// Make the appearance stream (for uniform appearance).
+	apDict, bbox, err := makeLineAnnotationAppearanceStream(lineDef)
+	if err != nil {
+		return nil, err
+	}
+	lineAnnotation.AP = apDict
+
+	// The rect specifies the location and dimensions of the annotation.  Technically if the annotation could not
+	// be displayed if it goes outside these bounds, although rarely enforced.
+	lineAnnotation.Rect = pdfcore.MakeArrayFromFloats([]float64{bbox.Llx, bbox.Lly, bbox.Urx, bbox.Ury})
+
+	return lineAnnotation.PdfAnnotation, nil
+}
+
+func makeLineAnnotationAppearanceStream(lineDef LineAnnotationDef) (*pdfcore.PdfObjectDictionary, *pdf.PdfRectangle, error) {
+	form := pdf.NewXObjectForm()
+	form.Resources = pdf.NewPdfPageResources()
+
+	gsName := ""
+	if lineDef.Opacity < 1.0 {
+		// Create graphics state with right opacity.
+		gsState := pdfcore.MakeDict()
+		gsState.Set("ca", pdfcore.MakeFloat(lineDef.Opacity))
+		err := form.Resources.AddExtGState("gs1", gsState)
+		if err != nil {
+			common.Log.Debug("Unable to add extgstate gs1")
+			return nil, nil, err
+		}
+
+		gsName = "gs1"
+	}
+
+	content, localBbox, globalBbox, err := drawPdfLine(lineDef, gsName)
+	if err != nil {
+		return nil, nil, err
+	}
+
+	err = form.SetContentStream(content, nil)
+	if err != nil {
+		return nil, nil, err
+	}
+
+	// Local bounding box for the XObject Form.
+	form.BBox = localBbox.ToPdfObject()
+
+	apDict := pdfcore.MakeDict()
+	apDict.Set("N", form.ToPdfObject())
+
+	return apDict, globalBbox, nil
+}
+
+func drawPdfLine(lineDef LineAnnotationDef, gsName string) ([]byte, *pdf.PdfRectangle, *pdf.PdfRectangle, error) {
+	// The annotation is drawn locally in a relative coordinate system with 0,0 as the origin rather than an offset.
+	line := draw.Line{
+		X1:               0,
+		Y1:               0,
+		X2:               lineDef.X2 - lineDef.X1,
+		Y2:               lineDef.Y2 - lineDef.Y1,
+		LineColor:        lineDef.LineColor,
+		Opacity:          lineDef.Opacity,
+		LineWidth:        lineDef.LineWidth,
+		LineEndingStyle1: lineDef.LineEndingStyle1,
+		LineEndingStyle2: lineDef.LineEndingStyle2,
+	}
+
+	content, localBbox, err := line.Draw(gsName)
+	if err != nil {
+		return nil, nil, nil, err
+	}
+
+	// Bounding box - global page coordinate system (with offset).
+	globalBbox := &pdf.PdfRectangle{}
+	globalBbox.Llx = lineDef.X1 + localBbox.Llx
+	globalBbox.Lly = lineDef.Y1 + localBbox.Lly
+	globalBbox.Urx = lineDef.X1 + localBbox.Urx
+	globalBbox.Ury = lineDef.Y1 + localBbox.Ury
+
+	return content, localBbox, globalBbox, nil
+}

internal/pdf/annotator/rectangle.go

@@ -0,0 +1,129 @@
+package annotator
+
+import (
+	"gitea.tecamino.com/paadi/pdfmerge/internal/pdf/common"
+
+	"gitea.tecamino.com/paadi/pdfmerge/internal/pdf/contentstream/draw"
+	pdfcore "gitea.tecamino.com/paadi/pdfmerge/internal/pdf/core"
+	pdf "gitea.tecamino.com/paadi/pdfmerge/internal/pdf/model"
+)
+
+// A rectangle defined with a specified Width and Height and a lower left corner at (X,Y).  The rectangle can
+// optionally have a border and a filling color.
+// The Width/Height includes the border (if any specified).
+type RectangleAnnotationDef struct {
+	X             float64
+	Y             float64
+	Width         float64
+	Height        float64
+	FillEnabled   bool // Show fill?
+	FillColor     *pdf.PdfColorDeviceRGB
+	BorderEnabled bool // Show border?
+	BorderWidth   float64
+	BorderColor   *pdf.PdfColorDeviceRGB
+	Opacity       float64 // Alpha value (0-1).
+}
+
+// Creates a rectangle annotation object that can be added to page PDF annotations.
+func CreateRectangleAnnotation(rectDef RectangleAnnotationDef) (*pdf.PdfAnnotation, error) {
+	rectAnnotation := pdf.NewPdfAnnotationSquare()
+
+	if rectDef.BorderEnabled {
+		r, g, b := rectDef.BorderColor.R(), rectDef.BorderColor.G(), rectDef.BorderColor.B()
+		rectAnnotation.C = pdfcore.MakeArrayFromFloats([]float64{r, g, b})
+		bs := pdf.NewBorderStyle()
+		bs.SetBorderWidth(rectDef.BorderWidth)
+		rectAnnotation.BS = bs.ToPdfObject()
+	}
+
+	if rectDef.FillEnabled {
+		r, g, b := rectDef.FillColor.R(), rectDef.FillColor.G(), rectDef.FillColor.B()
+		rectAnnotation.IC = pdfcore.MakeArrayFromFloats([]float64{r, g, b})
+	} else {
+		rectAnnotation.IC = pdfcore.MakeArrayFromIntegers([]int{}) // No fill.
+	}
+
+	if rectDef.Opacity < 1.0 {
+		rectAnnotation.CA = pdfcore.MakeFloat(rectDef.Opacity)
+	}
+
+	// Make the appearance stream (for uniform appearance).
+	apDict, bbox, err := makeRectangleAnnotationAppearanceStream(rectDef)
+	if err != nil {
+		return nil, err
+	}
+
+	rectAnnotation.AP = apDict
+	rectAnnotation.Rect = pdfcore.MakeArrayFromFloats([]float64{bbox.Llx, bbox.Lly, bbox.Urx, bbox.Ury})
+
+	return rectAnnotation.PdfAnnotation, nil
+
+}
+
+func makeRectangleAnnotationAppearanceStream(rectDef RectangleAnnotationDef) (*pdfcore.PdfObjectDictionary, *pdf.PdfRectangle, error) {
+	form := pdf.NewXObjectForm()
+	form.Resources = pdf.NewPdfPageResources()
+
+	gsName := ""
+	if rectDef.Opacity < 1.0 {
+		// Create graphics state with right opacity.
+		gsState := pdfcore.MakeDict()
+		gsState.Set("ca", pdfcore.MakeFloat(rectDef.Opacity))
+		gsState.Set("CA", pdfcore.MakeFloat(rectDef.Opacity))
+		err := form.Resources.AddExtGState("gs1", gsState)
+		if err != nil {
+			common.Log.Debug("Unable to add extgstate gs1")
+			return nil, nil, err
+		}
+
+		gsName = "gs1"
+	}
+
+	content, localBbox, globalBbox, err := drawPdfRectangle(rectDef, gsName)
+	if err != nil {
+		return nil, nil, err
+	}
+
+	err = form.SetContentStream(content, nil)
+	if err != nil {
+		return nil, nil, err
+	}
+
+	// Local bounding box for the XObject Form.
+	form.BBox = localBbox.ToPdfObject()
+
+	apDict := pdfcore.MakeDict()
+	apDict.Set("N", form.ToPdfObject())
+
+	return apDict, globalBbox, nil
+}
+
+func drawPdfRectangle(rectDef RectangleAnnotationDef, gsName string) ([]byte, *pdf.PdfRectangle, *pdf.PdfRectangle, error) {
+	// The annotation is drawn locally in a relative coordinate system with 0,0 as the origin rather than an offset.
+	rect := draw.Rectangle{
+		X:             0,
+		Y:             0,
+		Width:         rectDef.Width,
+		Height:        rectDef.Height,
+		FillEnabled:   rectDef.FillEnabled,
+		FillColor:     rectDef.FillColor,
+		BorderEnabled: rectDef.BorderEnabled,
+		BorderWidth:   2 * rectDef.BorderWidth,
+		BorderColor:   rectDef.BorderColor,
+		Opacity:       rectDef.Opacity,
+	}
+
+	content, localBbox, err := rect.Draw(gsName)
+	if err != nil {
+		return nil, nil, nil, err
+	}
+
+	// Bounding box - global page coordinate system (with offset).
+	globalBbox := &pdf.PdfRectangle{}
+	globalBbox.Llx = rectDef.X + localBbox.Llx
+	globalBbox.Lly = rectDef.Y + localBbox.Lly
+	globalBbox.Urx = rectDef.X + localBbox.Urx
+	globalBbox.Ury = rectDef.Y + localBbox.Ury
+
+	return content, localBbox, globalBbox, nil
+}

internal/pdf/cmap/cmap.go

@@ -0,0 +1,401 @@
+package cmap
+
+import (
+	"bytes"
+	"errors"
+	"io"
+
+	"gitea.tecamino.com/paadi/pdfmerge/internal/pdf/common"
+	"gitea.tecamino.com/paadi/pdfmerge/internal/pdf/model/textencoding"
+)
+
+// CMap represents a character code to unicode mapping used in PDF files.
+type CMap struct {
+	*cMapParser
+
+	// Text encoder to look up runes from input glyph names.
+	encoder textencoding.TextEncoder
+
+	// map of character code to string (sequence of runes) for 1-4 byte codes separately.
+	codeMap [4]map[uint64]string
+
+	name       string
+	ctype      int
+	codespaces []codespace
+}
+
+// codespace represents a single codespace range used in the CMap.
+type codespace struct {
+	numBytes int
+	low      uint64
+	high     uint64
+}
+
+// Name returns the name of the CMap.
+func (cmap *CMap) Name() string {
+	return cmap.name
+}
+
+// Type returns the type of the CMap.
+func (cmap *CMap) Type() int {
+	return cmap.ctype
+}
+
+// CharcodeBytesToUnicode converts a byte array of charcodes to a unicode string representation.
+func (cmap *CMap) CharcodeBytesToUnicode(src []byte) string {
+	var buf bytes.Buffer
+
+	// Maximum number of possible bytes per code.
+	maxLen := 4
+
+	i := 0
+	for i < len(src) {
+		var code uint64
+		var j int
+		for j = 0; j < maxLen && i+j < len(src); j++ {
+			b := src[i+j]
+
+			code <<= 8
+			code |= uint64(b)
+
+			tgt, has := cmap.codeMap[j][code]
+			if has {
+				buf.WriteString(tgt)
+				break
+			} else if j == maxLen-1 || i+j == len(src)-1 {
+				break
+			}
+		}
+		i += j + 1
+	}
+
+	return buf.String()
+}
+
+// CharcodeToUnicode converts a single character code to unicode string.
+// Note that CharcodeBytesToUnicode is typically more efficient.
+func (cmap *CMap) CharcodeToUnicode(srcCode uint64) string {
+	// Search through different code lengths.
+	for numBytes := 1; numBytes <= 4; numBytes++ {
+		if c, has := cmap.codeMap[numBytes-1][srcCode]; has {
+			return c
+		}
+	}
+
+	// Not found.
+	return "?"
+}
+
+// newCMap returns an initialized CMap.
+func newCMap() *CMap {
+	cmap := &CMap{}
+	cmap.codespaces = []codespace{}
+	cmap.codeMap = [4]map[uint64]string{}
+	// Maps for 1-4 bytes are initialized. Minimal overhead if not used (most commonly used are 1-2 bytes).
+	cmap.codeMap[0] = map[uint64]string{}
+	cmap.codeMap[1] = map[uint64]string{}
+	cmap.codeMap[2] = map[uint64]string{}
+	cmap.codeMap[3] = map[uint64]string{}
+	return cmap
+}
+
+// LoadCmapFromData parses CMap data in memory through a byte vector and returns a CMap which
+// can be used for character code to unicode conversion.
+func LoadCmapFromData(data []byte) (*CMap, error) {
+	cmap := newCMap()
+	cmap.cMapParser = newCMapParser(data)
+
+	err := cmap.parse()
+	if err != nil {
+		return cmap, err
+	}
+
+	return cmap, nil
+}
+
+// parse parses the CMap file and loads into the CMap structure.
+func (cmap *CMap) parse() error {
+	for {
+		o, err := cmap.parseObject()
+		if err != nil {
+			if err == io.EOF {
+				break
+			}
+
+			common.Log.Debug("error parsing CMap: %v", err)
+			return err
+		}
+
+		if op, isOp := o.(cmapOperand); isOp {
+			common.Log.Trace("Operand: %s", op.Operand)
+
+			switch op.Operand {
+			case begincodespacerange:
+				err := cmap.parseCodespaceRange()
+				if err != nil {
+					return err
+				}
+			case beginbfchar:
+				err := cmap.parseBfchar()
+				if err != nil {
+					return err
+				}
+			case beginbfrange:
+				err := cmap.parseBfrange()
+				if err != nil {
+					return err
+				}
+			}
+		} else if n, isName := o.(cmapName); isName {
+			if n.Name == cmapname {
+				o, err := cmap.parseObject()
+				if err != nil {
+					if err == io.EOF {
+						break
+					}
+					return err
+				}
+				name, ok := o.(cmapName)
+				if !ok {
+					return errors.New("CMap name not a name")
+				}
+				cmap.name = name.Name
+			} else if n.Name == cmaptype {
+				o, err := cmap.parseObject()
+				if err != nil {
+					if err == io.EOF {
+						break
+					}
+					return err
+				}
+				typeInt, ok := o.(cmapInt)
+				if !ok {
+					return errors.New("CMap type not an integer")
+				}
+				cmap.ctype = int(typeInt.val)
+			}
+		} else {
+			common.Log.Trace("Unhandled object: %T %#v", o, o)
+		}
+	}
+
+	return nil
+}
+
+// parseCodespaceRange parses the codespace range section of a CMap.
+func (cmap *CMap) parseCodespaceRange() error {
+	for {
+		o, err := cmap.parseObject()
+		if err != nil {
+			if err == io.EOF {
+				break
+			}
+			return err
+		}
+
+		hexLow, isHex := o.(cmapHexString)
+		if !isHex {
+			if op, isOperand := o.(cmapOperand); isOperand {
+				if op.Operand == endcodespacerange {
+					return nil
+				}
+				return errors.New("unexpected operand")
+			}
+		}
+
+		o, err = cmap.parseObject()
+		if err != nil {
+			if err == io.EOF {
+				break
+			}
+			return err
+		}
+		hexHigh, ok := o.(cmapHexString)
+		if !ok {
+			return errors.New("non-hex high")
+		}
+
+		if hexLow.numBytes != hexHigh.numBytes {
+			return errors.New("unequal number of bytes in range")
+		}
+
+		low := hexToUint64(hexLow)
+		high := hexToUint64(hexHigh)
+		numBytes := hexLow.numBytes
+
+		cspace := codespace{numBytes: numBytes, low: low, high: high}
+		cmap.codespaces = append(cmap.codespaces, cspace)
+
+		common.Log.Trace("Codespace low: 0x%X, high: 0x%X", low, high)
+	}
+
+	return nil
+}
+
+// parseBfchar parses a bfchar section of a CMap file.
+func (cmap *CMap) parseBfchar() error {
+	for {
+		// Src code.
+		o, err := cmap.parseObject()
+		if err != nil {
+			if err == io.EOF {
+				break
+			}
+			return err
+		}
+		var srcCode uint64
+		var numBytes int
+
+		switch v := o.(type) {
+		case cmapOperand:
+			if v.Operand == endbfchar {
+				return nil
+			}
+			return errors.New("unexpected operand")
+		case cmapHexString:
+			srcCode = hexToUint64(v)
+			numBytes = v.numBytes
+		default:
+			return errors.New("unexpected type")
+		}
+
+		// Target code.
+		o, err = cmap.parseObject()
+		if err != nil {
+			if err == io.EOF {
+				break
+			}
+			return err
+		}
+		var toCode string
+
+		switch v := o.(type) {
+		case cmapOperand:
+			if v.Operand == endbfchar {
+				return nil
+			}
+			return errors.New("unexpected operand")
+		case cmapHexString:
+			toCode = hexToString(v)
+		case cmapName:
+			toCode = "?"
+			if cmap.encoder != nil {
+				if r, found := cmap.encoder.GlyphToRune(v.Name); found {
+					toCode = string(r)
+				}
+			}
+		default:
+			return errors.New("unexpected type")
+		}
+
+		if numBytes <= 0 || numBytes > 4 {
+			return errors.New("invalid code length")
+		}
+
+		cmap.codeMap[numBytes-1][srcCode] = toCode
+	}
+
+	return nil
+}
+
+// parseBfrange parses a bfrange section of a CMap file.
+func (cmap *CMap) parseBfrange() error {
+	for {
+		// The specifications are in pairs of 3.
+		// <srcCodeFrom> <srcCodeTo> <target>
+		// where target can be either <destFrom> as a hex code, or a list.
+
+		// Src code from.
+		var srcCodeFrom uint64
+		var numBytes int
+		{
+			o, err := cmap.parseObject()
+			if err != nil {
+				if err == io.EOF {
+					break
+				}
+				return err
+			}
+
+			switch v := o.(type) {
+			case cmapOperand:
+				if v.Operand == endbfrange {
+					return nil
+				}
+				return errors.New("unexpected operand")
+			case cmapHexString:
+				srcCodeFrom = hexToUint64(v)
+				numBytes = v.numBytes
+			default:
+				return errors.New("unexpected type")
+			}
+		}
+
+		// Src code to.
+		var srcCodeTo uint64
+		{
+			o, err := cmap.parseObject()
+			if err != nil {
+				if err == io.EOF {
+					break
+				}
+				return err
+			}
+
+			switch v := o.(type) {
+			case cmapOperand:
+				if v.Operand == endbfrange {
+					return nil
+				}
+				return errors.New("unexpected operand")
+			case cmapHexString:
+				srcCodeTo = hexToUint64(v)
+			default:
+				return errors.New("unexpected type")
+			}
+		}
+
+		// target(s).
+		o, err := cmap.parseObject()
+		if err != nil {
+			if err == io.EOF {
+				break
+			}
+			return err
+		}
+
+		if numBytes <= 0 || numBytes > 4 {
+			return errors.New("invalid code length")
+		}
+
+		switch v := o.(type) {
+		case cmapArray:
+			sc := srcCodeFrom
+			for _, o := range v.Array {
+				hexs, ok := o.(cmapHexString)
+				if !ok {
+					return errors.New("non-hex string in array")
+				}
+				cmap.codeMap[numBytes-1][sc] = hexToString(hexs)
+				sc++
+			}
+			if sc != srcCodeTo+1 {
+				return errors.New("invalid number of items in array")
+			}
+		case cmapHexString:
+			// <srcCodeFrom> <srcCodeTo> <dstCode>, maps [from,to] to [dstCode,dstCode+to-from].
+			// in hex format.
+			target := hexToUint64(v)
+			i := uint64(0)
+			for sc := srcCodeFrom; sc <= srcCodeTo; sc++ {
+				r := target + i
+				cmap.codeMap[numBytes-1][sc] = string(r)
+				i++
+			}
+		default:
+			return errors.New("unexpected type")
+		}
+	}
+
+	return nil
+}

internal/pdf/cmap/const.go

@@ -0,0 +1,13 @@
+package cmap
+
+const (
+	begincodespacerange = "begincodespacerange"
+	endcodespacerange   = "endcodespacerange"
+	beginbfchar         = "beginbfchar"
+	endbfchar           = "endbfchar"
+	beginbfrange        = "beginbfrange"
+	endbfrange          = "endbfrange"
+
+	cmapname = "CMapName"
+	cmaptype = "CMapType"
+)

internal/pdf/cmap/parser.go

@@ -0,0 +1,467 @@
+package cmap
+
+import (
+	"bufio"
+	"bytes"
+	"errors"
+	"fmt"
+	"io"
+	"strconv"
+
+	"encoding/hex"
+
+	"gitea.tecamino.com/paadi/pdfmerge/internal/pdf/common"
+	"gitea.tecamino.com/paadi/pdfmerge/internal/pdf/core"
+)
+
+// cMapParser parses CMap character to unicode mapping files.
+type cMapParser struct {
+	reader *bufio.Reader
+}
+
+// cMapParser creates a new instance of the PDF CMap parser from input data.
+func newCMapParser(content []byte) *cMapParser {
+	parser := cMapParser{}
+
+	buffer := bytes.NewBuffer(content)
+	parser.reader = bufio.NewReader(buffer)
+
+	return &parser
+}
+
+// Detect the signature at the current file position and parse
+// the corresponding object.
+func (p *cMapParser) parseObject() (cmapObject, error) {
+	p.skipSpaces()
+	for {
+		bb, err := p.reader.Peek(2)
+		if err != nil {
+			return nil, err
+		}
+
+		if bb[0] == '%' {
+			p.parseComment()
+			p.skipSpaces()
+			continue
+		} else if bb[0] == '/' {
+			name, err := p.parseName()
+			return name, err
+		} else if bb[0] == '(' {
+			str, err := p.parseString()
+			return str, err
+		} else if bb[0] == '[' {
+			arr, err := p.parseArray()
+			return arr, err
+		} else if (bb[0] == '<') && (bb[1] == '<') {
+			dict, err := p.parseDict()
+			return dict, err
+		} else if bb[0] == '<' {
+			shex, err := p.parseHexString()
+			return shex, err
+		} else if core.IsDecimalDigit(bb[0]) || (bb[0] == '-' && core.IsDecimalDigit(bb[1])) {
+			number, err := p.parseNumber()
+			if err != nil {
+				return nil, err
+			}
+			return number, nil
+		} else {
+			// Operand?
+			operand, err := p.parseOperand()
+			if err != nil {
+				return nil, err
+			}
+
+			return operand, nil
+		}
+	}
+}
+
+// Skip over any spaces.  Returns the number of spaces skipped and
+// an error if any.
+func (p *cMapParser) skipSpaces() (int, error) {
+	cnt := 0
+	for {
+		bb, err := p.reader.Peek(1)
+		if err != nil {
+			return 0, err
+		}
+		if core.IsWhiteSpace(bb[0]) {
+			p.reader.ReadByte()
+			cnt++
+		} else {
+			break
+		}
+	}
+
+	return cnt, nil
+}
+
+// parseComment reads a comment line starting with '%'.
+func (p *cMapParser) parseComment() (string, error) {
+	var r bytes.Buffer
+
+	_, err := p.skipSpaces()
+	if err != nil {
+		return r.String(), err
+	}
+
+	isFirst := true
+	for {
+		bb, err := p.reader.Peek(1)
+		if err != nil {
+			common.Log.Debug("error %s", err.Error())
+			return r.String(), err
+		}
+		if isFirst && bb[0] != '%' {
+			return r.String(), errors.New("comment should start with %")
+		}
+		isFirst = false
+		if (bb[0] != '\r') && (bb[0] != '\n') {
+			b, _ := p.reader.ReadByte()
+			r.WriteByte(b)
+		} else {
+			break
+		}
+	}
+	return r.String(), nil
+}
+
+// Parse a name starting with '/'.
+func (p *cMapParser) parseName() (cmapName, error) {
+	name := ""
+	nameStarted := false
+	for {
+		bb, err := p.reader.Peek(1)
+		if err == io.EOF {
+			break // Can happen when loading from object stream.
+		}
+		if err != nil {
+			return cmapName{name}, err
+		}
+
+		if !nameStarted {
+			// Should always start with '/', otherwise not valid.
+			if bb[0] == '/' {
+				nameStarted = true
+				p.reader.ReadByte()
+			} else {
+				common.Log.Debug("error Name starting with %s (% x)", bb, bb)
+				return cmapName{name}, fmt.Errorf("invalid name: (%c)", bb[0])
+			}
+		} else {
+			if core.IsWhiteSpace(bb[0]) {
+				break
+			} else if (bb[0] == '/') || (bb[0] == '[') || (bb[0] == '(') || (bb[0] == ']') || (bb[0] == '<') || (bb[0] == '>') {
+				break // Looks like start of next statement.
+			} else if bb[0] == '#' {
+				hexcode, err := p.reader.Peek(3)
+				if err != nil {
+					return cmapName{name}, err
+				}
+				p.reader.Discard(3)
+
+				code, err := hex.DecodeString(string(hexcode[1:3]))
+				if err != nil {
+					return cmapName{name}, err
+				}
+				name += string(code)
+			} else {
+				b, _ := p.reader.ReadByte()
+				name += string(b)
+			}
+		}
+	}
+
+	return cmapName{name}, nil
+}
+
+// A string starts with '(' and ends with ')'.
+func (p *cMapParser) parseString() (cmapString, error) {
+	p.reader.ReadByte()
+
+	buf := bytes.Buffer{}
+
+	count := 1
+	for {
+		bb, err := p.reader.Peek(1)
+		if err != nil {
+			return cmapString{buf.String()}, err
+		}
+
+		if bb[0] == '\\' { // Escape sequence.
+			p.reader.ReadByte() // Skip the escape \ byte.
+			b, err := p.reader.ReadByte()
+			if err != nil {
+				return cmapString{buf.String()}, err
+			}
+
+			// Octal '\ddd' number (base 8).
+			if core.IsOctalDigit(b) {
+				bb, err := p.reader.Peek(2)
+				if err != nil {
+					return cmapString{buf.String()}, err
+				}
+
+				numeric := []byte{}
+				numeric = append(numeric, b)
+				for _, val := range bb {
+					if core.IsOctalDigit(val) {
+						numeric = append(numeric, val)
+					} else {
+						break
+					}
+				}
+				p.reader.Discard(len(numeric) - 1)
+
+				common.Log.Trace("Numeric string \"%s\"", numeric)
+				code, err := strconv.ParseUint(string(numeric), 8, 32)
+				if err != nil {
+					return cmapString{buf.String()}, err
+				}
+				buf.WriteByte(byte(code))
+				continue
+			}
+
+			switch b {
+			case 'n':
+				buf.WriteByte('\n')
+			case 'r':
+				buf.WriteByte('\r')
+			case 't':
+				buf.WriteByte('\t')
+			case 'b':
+				buf.WriteByte('\b')
+			case 'f':
+				buf.WriteByte('\f')
+			case '(':
+				buf.WriteByte('(')
+			case ')':
+				buf.WriteByte(')')
+			case '\\':
+				buf.WriteByte('\\')
+			}
+
+			continue
+		} else if bb[0] == '(' {
+			count++
+		} else if bb[0] == ')' {
+			count--
+			if count == 0 {
+				p.reader.ReadByte()
+				break
+			}
+		}
+
+		b, _ := p.reader.ReadByte()
+		buf.WriteByte(b)
+	}
+
+	return cmapString{buf.String()}, nil
+}
+
+// Starts with '<' ends with '>'.
+// Currently not converting the hex codes to characters.
+func (p *cMapParser) parseHexString() (cmapHexString, error) {
+	p.reader.ReadByte()
+
+	hextable := []byte("0123456789abcdefABCDEF")
+
+	buf := bytes.Buffer{}
+
+	//tmp := []byte{}
+	for {
+		p.skipSpaces()
+
+		bb, err := p.reader.Peek(1)
+		if err != nil {
+			return cmapHexString{numBytes: 0, b: []byte("")}, err
+		}
+
+		if bb[0] == '>' {
+			p.reader.ReadByte()
+			break
+		}
+
+		b, _ := p.reader.ReadByte()
+		if bytes.IndexByte(hextable, b) >= 0 {
+			buf.WriteByte(b)
+		}
+	}
+
+	if buf.Len()%2 == 1 {
+		buf.WriteByte('0')
+	}
+	numBytes := buf.Len() / 2
+
+	hexb, _ := hex.DecodeString(buf.String())
+	return cmapHexString{numBytes: numBytes, b: hexb}, nil
+}
+
+// Starts with '[' ends with ']'.  Can contain any kinds of direct objects.
+func (p *cMapParser) parseArray() (cmapArray, error) {
+	arr := cmapArray{}
+	arr.Array = []cmapObject{}
+
+	p.reader.ReadByte()
+
+	for {
+		p.skipSpaces()
+
+		bb, err := p.reader.Peek(1)
+		if err != nil {
+			return arr, err
+		}
+
+		if bb[0] == ']' {
+			p.reader.ReadByte()
+			break
+		}
+
+		obj, err := p.parseObject()
+		if err != nil {
+			return arr, err
+		}
+		arr.Array = append(arr.Array, obj)
+	}
+
+	return arr, nil
+}
+
+// Reads and parses a PDF dictionary object enclosed with '<<' and '>>'
+func (p *cMapParser) parseDict() (cmapDict, error) {
+	common.Log.Trace("Reading PDF Dict!")
+
+	dict := makeDict()
+
+	// Pass the '<<'
+	c, _ := p.reader.ReadByte()
+	if c != '<' {
+		return dict, errors.New("invalid dict")
+	}
+	c, _ = p.reader.ReadByte()
+	if c != '<' {
+		return dict, errors.New("invalid dict")
+	}
+
+	for {
+		p.skipSpaces()
+
+		bb, err := p.reader.Peek(2)
+		if err != nil {
+			return dict, err
+		}
+
+		if (bb[0] == '>') && (bb[1] == '>') {
+			p.reader.ReadByte()
+			p.reader.ReadByte()
+			break
+		}
+
+		key, err := p.parseName()
+		common.Log.Trace("Key: %s", key.Name)
+		if err != nil {
+			common.Log.Debug("error Returning name err %s", err)
+			return dict, err
+		}
+
+		p.skipSpaces()
+
+		val, err := p.parseObject()
+		if err != nil {
+			return dict, err
+		}
+		dict.Dict[key.Name] = val
+
+		// Skip "def" which optionally follows key value dict definitions in CMaps.
+		p.skipSpaces()
+		bb, err = p.reader.Peek(3)
+		if err != nil {
+			return dict, err
+		}
+		if string(bb) == "def" {
+			p.reader.Discard(3)
+		}
+
+	}
+
+	return dict, nil
+}
+
+func (p *cMapParser) parseNumber() (cmapObject, error) {
+	isFloat := false
+	allowSigns := true
+
+	numStr := bytes.Buffer{}
+	for {
+		bb, err := p.reader.Peek(1)
+		if err == io.EOF {
+			break
+		}
+		if err != nil {
+			return nil, err
+		}
+		if allowSigns && (bb[0] == '-' || bb[0] == '+') {
+			// Only appear in the beginning, otherwise serves as a delimiter.
+			b, _ := p.reader.ReadByte()
+			numStr.WriteByte(b)
+			allowSigns = false // Only allowed in beginning, and after e (exponential).
+		} else if core.IsDecimalDigit(bb[0]) {
+			b, _ := p.reader.ReadByte()
+			numStr.WriteByte(b)
+		} else if bb[0] == '.' {
+			b, _ := p.reader.ReadByte()
+			numStr.WriteByte(b)
+			isFloat = true
+		} else if bb[0] == 'e' {
+			// Exponential number format.
+			b, _ := p.reader.ReadByte()
+			numStr.WriteByte(b)
+			isFloat = true
+			allowSigns = true
+		} else {
+			break
+		}
+	}
+
+	if isFloat {
+		fVal, err := strconv.ParseFloat(numStr.String(), 64)
+		o := cmapFloat{fVal}
+		return o, err
+	}
+	intVal, err := strconv.ParseInt(numStr.String(), 10, 64)
+	o := cmapInt{intVal}
+	return o, err
+}
+
+// An operand is a text command represented by a word.
+func (p *cMapParser) parseOperand() (cmapOperand, error) {
+	op := cmapOperand{}
+
+	buf := bytes.Buffer{}
+	for {
+		bb, err := p.reader.Peek(1)
+		if err != nil {
+			if err == io.EOF {
+				break
+			}
+			return op, err
+		}
+		if core.IsDelimiter(bb[0]) {
+			break
+		}
+		if core.IsWhiteSpace(bb[0]) {
+			break
+		}
+
+		b, _ := p.reader.ReadByte()
+		buf.WriteByte(b)
+	}
+
+	if buf.Len() == 0 {
+		return op, fmt.Errorf("invalid operand (empty)")
+	}
+
+	op.Operand = buf.String()
+
+	return op, nil
+}

internal/pdf/cmap/primitives.go

@@ -0,0 +1,43 @@
+package cmap
+
+type cmapObject interface {
+}
+
+type cmapName struct {
+	Name string
+}
+
+type cmapOperand struct {
+	Operand string
+}
+
+type cmapHexString struct {
+	numBytes int // original number of bytes in the raw representation
+	b        []byte
+}
+
+type cmapString struct {
+	String string
+}
+
+type cmapArray struct {
+	Array []cmapObject
+}
+
+type cmapDict struct {
+	Dict map[string]cmapObject
+}
+
+type cmapFloat struct {
+	val float64
+}
+
+type cmapInt struct {
+	val int64
+}
+
+func makeDict() cmapDict {
+	d := cmapDict{}
+	d.Dict = map[string]cmapObject{}
+	return d
+}

internal/pdf/cmap/utils.go

@@ -0,0 +1,29 @@
+package cmap
+
+import "bytes"
+
+func hexToUint64(shex cmapHexString) uint64 {
+	val := uint64(0)
+
+	for _, v := range shex.b {
+		val <<= 8
+		val |= uint64(v)
+	}
+
+	return val
+}
+
+func hexToString(shex cmapHexString) string {
+	var buf bytes.Buffer
+
+	// Assumes unicode in format <HHLL> with 2 bytes HH and LL representing a rune.
+	for i := 0; i < len(shex.b)-1; i += 2 {
+		b1 := uint64(shex.b[i])
+		b2 := uint64(shex.b[i+1])
+		r := rune((b1 << 8) | b2)
+
+		buf.WriteRune(r)
+	}
+
+	return buf.String()
+}

internal/pdf/common/logging.go

@@ -0,0 +1,122 @@
+package common
+
+import (
+	"fmt"
+	"os"
+	"path/filepath"
+	"runtime"
+)
+
+type Logger interface {
+	Error(format string, args ...any)
+	Warning(format string, args ...any)
+	Notice(format string, args ...any)
+	Info(format string, args ...any)
+	Debug(format string, args ...any)
+	Trace(format string, args ...any)
+}
+
+// Dummy Logger does nothing.
+type DummyLogger struct{}
+
+func (this DummyLogger) Error(format string, args ...any) {
+}
+
+func (this DummyLogger) Warning(format string, args ...any) {
+}
+
+func (this DummyLogger) Notice(format string, args ...any) {
+}
+
+func (this DummyLogger) Info(format string, args ...any) {
+}
+
+func (this DummyLogger) Debug(format string, args ...any) {
+}
+
+func (this DummyLogger) Trace(format string, args ...any) {
+}
+
+// Simple Console Logger that the tests use.
+type LogLevel int
+
+const (
+	LogLevelTrace   LogLevel = 5
+	LogLevelDebug   LogLevel = 4
+	LogLevelInfo    LogLevel = 3
+	LogLevelNotice  LogLevel = 2
+	LogLevelWarning LogLevel = 1
+	LogLevelError   LogLevel = 0
+)
+
+type ConsoleLogger struct {
+	LogLevel LogLevel
+}
+
+func NewConsoleLogger(logLevel LogLevel) *ConsoleLogger {
+	logger := ConsoleLogger{}
+	logger.LogLevel = logLevel
+	return &logger
+}
+
+func (this ConsoleLogger) Error(format string, args ...any) {
+	if this.LogLevel >= LogLevelError {
+		prefix := "[ERROR] "
+		this.output(os.Stdout, prefix, format, args...)
+	}
+}
+
+func (this ConsoleLogger) Warning(format string, args ...any) {
+	if this.LogLevel >= LogLevelWarning {
+		prefix := "[WARNING] "
+		this.output(os.Stdout, prefix, format, args...)
+	}
+}
+
+func (this ConsoleLogger) Notice(format string, args ...any) {
+	if this.LogLevel >= LogLevelNotice {
+		prefix := "[NOTICE] "
+		this.output(os.Stdout, prefix, format, args...)
+	}
+}
+
+func (this ConsoleLogger) Info(format string, args ...any) {
+	if this.LogLevel >= LogLevelInfo {
+		prefix := "[INFO] "
+		this.output(os.Stdout, prefix, format, args...)
+	}
+}
+
+func (this ConsoleLogger) Debug(format string, args ...any) {
+	if this.LogLevel >= LogLevelDebug {
+		prefix := "[DEBUG] "
+		this.output(os.Stdout, prefix, format, args...)
+	}
+}
+
+func (this ConsoleLogger) Trace(format string, args ...any) {
+	if this.LogLevel >= LogLevelTrace {
+		prefix := "[TRACE] "
+		this.output(os.Stdout, prefix, format, args...)
+	}
+}
+
+var Log Logger = DummyLogger{}
+
+func SetLogger(logger Logger) {
+	Log = logger
+}
+
+// output writes `format`, `args` log message prefixed by the source file name, line and `prefix`
+func (this ConsoleLogger) output(f *os.File, prefix string, format string, args ...any) {
+	_, file, line, ok := runtime.Caller(3)
+	if !ok {
+		file = "???"
+		line = 0
+	} else {
+		file = filepath.Base(file)
+	}
+
+	src := fmt.Sprintf("%s %s:%d ", prefix, file, line) + format + "\n"
+	fmt.Fprintf(f, src, args...)
+}

internal/pdf/common/time.go

@@ -0,0 +1,11 @@
+package common
+
+import (
+	"time"
+)
+
+const timeFormat = "2 January 2006 at 15:04"
+
+func UtcTimeFormat(t time.Time) string {
+	return t.Format(timeFormat) + " UTC"
+}

internal/pdf/common/version.go

@@ -0,0 +1,17 @@
+// Package common contains common properties used by the subpackages.
+package common
+
+import (
+	"time"
+)
+
+const releaseYear = 2018
+const releaseMonth = 11
+const releaseDay = 17
+const releaseHour = 11
+const releaseMin = 30
+
+// Holds version information, when bumping this make sure to bump the released at stamp also.
+const Version = "2.2.0"
+
+var ReleasedAt = time.Date(releaseYear, releaseMonth, releaseDay, releaseHour, releaseMin, 0, 0, time.UTC)

internal/pdf/contentstream/const.go

@@ -0,0 +1,7 @@
+package contentstream
+
+import "errors"
+
+var (
+	ErrInvalidOperand = errors.New("invalid operand")
+)

internal/pdf/contentstream/contentstream.go

@@ -0,0 +1,197 @@
+package contentstream
+
+import (
+	"bytes"
+	"fmt"
+
+	"gitea.tecamino.com/paadi/pdfmerge/internal/pdf/core"
+)
+
+type ContentStreamOperation struct {
+	Params  []core.PdfObject
+	Operand string
+}
+
+type ContentStreamOperations []*ContentStreamOperation
+
+// Check if the content stream operations are fully wrapped (within q ... Q)
+func (s *ContentStreamOperations) isWrapped() bool {
+	if len(*s) < 2 {
+		return false
+	}
+
+	depth := 0
+	for _, op := range *s {
+		switch op.Operand {
+		case "q":
+			depth++
+		case "Q":
+			depth--
+		default:
+			if depth < 1 {
+				return false
+			}
+		}
+	}
+
+	// Should end at depth == 0
+	return depth == 0
+}
+
+// Wrap entire contents within q ... Q.  If unbalanced, then adds extra Qs at the end.
+// Only does if needed. Ensures that when adding new content, one start with all states
+// in the default condition.
+func (s *ContentStreamOperations) WrapIfNeeded() *ContentStreamOperations {
+	if len(*s) == 0 {
+		// No need to wrap if empty.
+		return s
+	}
+	if s.isWrapped() {
+		return s
+	}
+
+	*s = append([]*ContentStreamOperation{{Operand: "q"}}, *s...)
+
+	depth := 0
+	for _, op := range *s {
+		switch op.Operand {
+		case "q":
+			depth++
+		case "Q":
+			depth--
+		}
+	}
+
+	for depth > 0 {
+		*s = append(*s, &ContentStreamOperation{Operand: "Q"})
+		depth--
+	}
+
+	return s
+}
+
+// Convert a set of content stream operations to a content stream byte presentation, i.e. the kind that can be
+// stored as a PDF stream or string format.
+func (s *ContentStreamOperations) Bytes() []byte {
+	var buf bytes.Buffer
+
+	for _, op := range *s {
+		if op == nil {
+			continue
+		}
+
+		if op.Operand == "BI" {
+			// Inline image requires special handling.
+			buf.WriteString(op.Operand + "\n")
+			buf.WriteString(op.Params[0].DefaultWriteString())
+
+		} else {
+			// Default handler.
+			for _, param := range op.Params {
+				buf.WriteString(param.DefaultWriteString())
+				buf.WriteString(" ")
+
+			}
+
+			buf.WriteString(op.Operand + "\n")
+		}
+	}
+
+	return buf.Bytes()
+}
+
+// ExtractText parses and extracts all text data in content streams and returns as a string.
+// Does not take into account Encoding table, the output is simply the character codes.
+//
+// Deprecated: More advanced text extraction is offered in package extractor with character encoding support.
+func (s *ContentStreamParser) ExtractText() (string, error) {
+	operations, err := s.Parse()
+	if err != nil {
+		return "", err
+	}
+	inText := false
+	xPos, yPos := float64(-1), float64(-1)
+	txt := ""
+	for _, op := range *operations {
+		switch op.Operand {
+		case "BT":
+			inText = true
+		case "ET":
+			inText = false
+		}
+
+		if op.Operand == "Td" || op.Operand == "TD" || op.Operand == "T*" {
+			// Move to next line...
+			txt += "\n"
+		}
+		if op.Operand == "Tm" {
+			if len(op.Params) != 6 {
+				continue
+			}
+			xfloat, ok := op.Params[4].(*core.PdfObjectFloat)
+			if !ok {
+				xint, ok := op.Params[4].(*core.PdfObjectInteger)
+				if !ok {
+					continue
+				}
+				xfloat = core.MakeFloat(float64(*xint))
+			}
+			yfloat, ok := op.Params[5].(*core.PdfObjectFloat)
+			if !ok {
+				yint, ok := op.Params[5].(*core.PdfObjectInteger)
+				if !ok {
+					continue
+				}
+				yfloat = core.MakeFloat(float64(*yint))
+			}
+			if yPos == -1 {
+				yPos = float64(*yfloat)
+			} else if yPos > float64(*yfloat) {
+				txt += "\n"
+				xPos = float64(*xfloat)
+				yPos = float64(*yfloat)
+				continue
+			}
+			if xPos == -1 {
+				xPos = float64(*xfloat)
+			} else if xPos < float64(*xfloat) {
+				txt += "\t"
+				xPos = float64(*xfloat)
+			}
+		}
+		if inText && op.Operand == "TJ" {
+			if len(op.Params) < 1 {
+				continue
+			}
+			paramList, ok := op.Params[0].(*core.PdfObjectArray)
+			if !ok {
+				return "", fmt.Errorf("invalid parameter type, no array (%T)", op.Params[0])
+			}
+			for _, obj := range *paramList {
+				switch v := obj.(type) {
+				case *core.PdfObjectString:
+					txt += string(*v)
+				case *core.PdfObjectFloat:
+					if *v < -100 {
+						txt += " "
+					}
+				case *core.PdfObjectInteger:
+					if *v < -100 {
+						txt += " "
+					}
+				}
+			}
+		} else if inText && op.Operand == "Tj" {
+			if len(op.Params) < 1 {
+				continue
+			}
+			param, ok := op.Params[0].(*core.PdfObjectString)
+			if !ok {
+				return "", fmt.Errorf("invalid parameter type, not string (%T)", op.Params[0])
+			}
+			txt += string(*param)
+		}
+	}
+
+	return txt, nil
+}

internal/pdf/contentstream/creator.go

@@ -0,0 +1,613 @@
+package contentstream
+
+import (
+	"math"
+
+	"gitea.tecamino.com/paadi/pdfmerge/internal/pdf/core"
+)
+
+type ContentCreator struct {
+	operands ContentStreamOperations
+}
+
+func NewContentCreator() *ContentCreator {
+	creator := &ContentCreator{}
+	creator.operands = ContentStreamOperations{}
+	return creator
+}
+
+// Get the list of operations.
+func (cc *ContentCreator) Operations() *ContentStreamOperations {
+	return &cc.operands
+}
+
+// Convert a set of content stream operations to a content stream byte presentation, i.e. the kind that can be
+// stored as a PDF stream or string format.
+func (cc *ContentCreator) Bytes() []byte {
+	return cc.operands.Bytes()
+}
+
+// Same as Bytes() except returns as a string for convenience.
+func (cc *ContentCreator) String() string {
+	return string(cc.operands.Bytes())
+}
+
+/* Graphics state operators. */
+
+// Save the current graphics state on the stack - push.
+func (cc *ContentCreator) Add_q() *ContentCreator {
+	op := ContentStreamOperation{}
+	op.Operand = "q"
+	cc.operands = append(cc.operands, &op)
+	return cc
+}
+
+// Restore the most recently stored state from the stack - pop.
+func (cc *ContentCreator) Add_Q() *ContentCreator {
+	op := ContentStreamOperation{}
+	op.Operand = "Q"
+	cc.operands = append(cc.operands, &op)
+	return cc
+}
+
+// Display XObject - image or form.
+func (cc *ContentCreator) Add_Do(name core.PdfObjectName) *ContentCreator {
+	op := ContentStreamOperation{}
+	op.Operand = "Do"
+	op.Params = makeParamsFromNames([]core.PdfObjectName{name})
+	cc.operands = append(cc.operands, &op)
+	return cc
+}
+
+// Modify the current transformation matrix (ctm).
+func (cc *ContentCreator) Add_cm(a, b, c, d, e, f float64) *ContentCreator {
+	op := ContentStreamOperation{}
+	op.Operand = "cm"
+	op.Params = makeParamsFromFloats([]float64{a, b, c, d, e, f})
+	cc.operands = append(cc.operands, &op)
+	return cc
+}
+
+// Convenience function for generating a cm operation to translate the transformation matrix.
+func (cc *ContentCreator) Translate(tx, ty float64) *ContentCreator {
+	return cc.Add_cm(1, 0, 0, 1, tx, ty)
+}
+
+// Convenience function for generating a cm command to scale the transformation matrix.
+func (cc *ContentCreator) Scale(sx, sy float64) *ContentCreator {
+	return cc.Add_cm(sx, 0, 0, sy, 0, 0)
+}
+
+// Convenience function for generating a cm command to rotate transformation matrix.
+func (cc *ContentCreator) RotateDeg(angle float64) *ContentCreator {
+	u1 := math.Cos(angle * math.Pi / 180.0)
+	u2 := math.Sin(angle * math.Pi / 180.0)
+	u3 := -math.Sin(angle * math.Pi / 180.0)
+	u4 := math.Cos(angle * math.Pi / 180.0)
+	return cc.Add_cm(u1, u2, u3, u4, 0, 0)
+}
+
+// Set the line width.
+func (cc *ContentCreator) Add_w(lineWidth float64) *ContentCreator {
+	op := ContentStreamOperation{}
+	op.Operand = "w"
+	op.Params = makeParamsFromFloats([]float64{lineWidth})
+	cc.operands = append(cc.operands, &op)
+	return cc
+}
+
+// Set the line cap style.
+func (cc *ContentCreator) Add_J(lineCapStyle string) *ContentCreator {
+	op := ContentStreamOperation{}
+	op.Operand = "J"
+	op.Params = makeParamsFromNames([]core.PdfObjectName{core.PdfObjectName(lineCapStyle)})
+	cc.operands = append(cc.operands, &op)
+	return cc
+}
+
+// Set the line join style.
+func (cc *ContentCreator) Add_j(lineJoinStyle string) *ContentCreator {
+	op := ContentStreamOperation{}
+	op.Operand = "j"
+	op.Params = makeParamsFromNames([]core.PdfObjectName{core.PdfObjectName(lineJoinStyle)})
+	cc.operands = append(cc.operands, &op)
+	return cc
+}
+
+// Set the miter limit.
+func (cc *ContentCreator) Add_M(miterlimit float64) *ContentCreator {
+	op := ContentStreamOperation{}
+	op.Operand = "M"
+	op.Params = makeParamsFromFloats([]float64{miterlimit})
+	cc.operands = append(cc.operands, &op)
+	return cc
+}
+
+// Set the line dash pattern.
+func (cc *ContentCreator) Add_d(dashArray []int64, dashPhase int64) *ContentCreator {
+	op := ContentStreamOperation{}
+	op.Operand = "d"
+
+	op.Params = []core.PdfObject{}
+	op.Params = append(op.Params, core.MakeArrayFromIntegers64(dashArray))
+	op.Params = append(op.Params, core.MakeInteger(dashPhase))
+	cc.operands = append(cc.operands, &op)
+	return cc
+}
+
+// Set the color rendering intent.
+func (cc *ContentCreator) Add_ri(intent core.PdfObjectName) *ContentCreator {
+	op := ContentStreamOperation{}
+	op.Operand = "ri"
+	op.Params = makeParamsFromNames([]core.PdfObjectName{intent})
+	cc.operands = append(cc.operands, &op)
+	return cc
+}
+
+// Set the flatness tolerance.
+func (cc *ContentCreator) Add_i(flatness float64) *ContentCreator {
+	op := ContentStreamOperation{}
+	op.Operand = "i"
+	op.Params = makeParamsFromFloats([]float64{flatness})
+	cc.operands = append(cc.operands, &op)
+	return cc
+}
+
+// Set the graphics state.
+func (cc *ContentCreator) Add_gs(dictName core.PdfObjectName) *ContentCreator {
+	op := ContentStreamOperation{}
+	op.Operand = "gs"
+	op.Params = makeParamsFromNames([]core.PdfObjectName{dictName})
+	cc.operands = append(cc.operands, &op)
+	return cc
+}
+
+/* Path construction operators. */
+
+// m: Move the current point to (x,y).
+func (cc *ContentCreator) Add_m(x, y float64) *ContentCreator {
+	op := ContentStreamOperation{}
+	op.Operand = "m"
+	op.Params = makeParamsFromFloats([]float64{x, y})
+	cc.operands = append(cc.operands, &op)
+	return cc
+}
+
+// l: Append a straight line segment from the current point to (x,y).
+func (cc *ContentCreator) Add_l(x, y float64) *ContentCreator {
+	op := ContentStreamOperation{}
+	op.Operand = "l"
+	op.Params = makeParamsFromFloats([]float64{x, y})
+	cc.operands = append(cc.operands, &op)
+	return cc
+}
+
+// c: Append a Bezier curve to the current path from the current point to (x3,y3) with (x1,x1) and (x2,y2) as control
+// points.
+func (cc *ContentCreator) Add_c(x1, y1, x2, y2, x3, y3 float64) *ContentCreator {
+	op := ContentStreamOperation{}
+	op.Operand = "c"
+	op.Params = makeParamsFromFloats([]float64{x1, y1, x2, y2, x3, y3})
+	cc.operands = append(cc.operands, &op)
+	return cc
+}
+
+// v: Append a Bezier curve to the current path from the current point to (x3,y3) with the current point and (x2,y2) as
+// control points.
+func (cc *ContentCreator) Add_v(x2, y2, x3, y3 float64) *ContentCreator {
+	op := ContentStreamOperation{}
+	op.Operand = "v"
+	op.Params = makeParamsFromFloats([]float64{x2, y2, x3, y3})
+	cc.operands = append(cc.operands, &op)
+	return cc
+}
+
+// y: Append a Bezier curve to the current path from the current point to (x3,y3) with (x1, y1) and (x3,y3) as
+// control points.
+func (cc *ContentCreator) Add_y(x1, y1, x3, y3 float64) *ContentCreator {
+	op := ContentStreamOperation{}
+	op.Operand = "y"
+	op.Params = makeParamsFromFloats([]float64{x1, y1, x3, y3})
+	cc.operands = append(cc.operands, &op)
+	return cc
+}
+
+// h: Close the current subpath by adding a line between the current position and the starting position.
+func (cc *ContentCreator) Add_h() *ContentCreator {
+	op := ContentStreamOperation{}
+	op.Operand = "h"
+	cc.operands = append(cc.operands, &op)
+	return cc
+}
+
+// re: Append a rectangle to the current path as a complete subpath, with lower left corner (x,y).
+func (cc *ContentCreator) Add_re(x, y, width, height float64) *ContentCreator {
+	op := ContentStreamOperation{}
+	op.Operand = "re"
+	op.Params = makeParamsFromFloats([]float64{x, y, width, height})
+	cc.operands = append(cc.operands, &op)
+	return cc
+}
+
+/* Path painting operators. */
+
+// S: stroke the path.
+func (cc *ContentCreator) Add_S() *ContentCreator {
+	op := ContentStreamOperation{}
+	op.Operand = "S"
+	cc.operands = append(cc.operands, &op)
+	return cc
+}
+
+// s: Close and stroke the path.
+func (cc *ContentCreator) Add_s() *ContentCreator {
+	op := ContentStreamOperation{}
+	op.Operand = "s"
+	cc.operands = append(cc.operands, &op)
+	return cc
+}
+
+// f: Fill the path using the nonzero winding number rule to determine fill region.
+func (cc *ContentCreator) Add_f() *ContentCreator {
+	op := ContentStreamOperation{}
+	op.Operand = "f"
+	cc.operands = append(cc.operands, &op)
+	return cc
+}
+
+// f*: Fill the path using the even-odd rule to determine fill region.
+func (cc *ContentCreator) Add_f_starred() *ContentCreator {
+	op := ContentStreamOperation{}
+	op.Operand = "f*"
+	cc.operands = append(cc.operands, &op)
+	return cc
+}
+
+// B: Fill and then stroke the path (nonzero winding number rule).
+func (cc *ContentCreator) Add_B() *ContentCreator {
+	op := ContentStreamOperation{}
+	op.Operand = "B"
+	cc.operands = append(cc.operands, &op)
+	return cc
+}
+
+// B*: Fill and then stroke the path (even-odd rule).
+func (cc *ContentCreator) Add_B_starred() *ContentCreator {
+	op := ContentStreamOperation{}
+	op.Operand = "B*"
+	cc.operands = append(cc.operands, &op)
+	return cc
+}
+
+// b: Close, fill and then stroke the path (nonzero winding number rule).
+func (cc *ContentCreator) Add_b() *ContentCreator {
+	op := ContentStreamOperation{}
+	op.Operand = "b"
+	cc.operands = append(cc.operands, &op)
+	return cc
+}
+
+// b*: Close, fill and then stroke the path (even-odd winding number rule).
+func (cc *ContentCreator) Add_b_starred() *ContentCreator {
+	op := ContentStreamOperation{}
+	op.Operand = "b*"
+	cc.operands = append(cc.operands, &op)
+	return cc
+}
+
+// n: End the path without filling or stroking.
+func (cc *ContentCreator) Add_n() *ContentCreator {
+	op := ContentStreamOperation{}
+	op.Operand = "n"
+	cc.operands = append(cc.operands, &op)
+	return cc
+}
+
+/* Clipping path operators. */
+
+// W: Modify the current clipping path by intersecting with the current path (nonzero winding rule).
+func (cc *ContentCreator) Add_W() *ContentCreator {
+	op := ContentStreamOperation{}
+	op.Operand = "W"
+	cc.operands = append(cc.operands, &op)
+	return cc
+}
+
+// W*: Modify the current clipping path by intersecting with the current path (even odd rule).
+func (cc *ContentCreator) Add_W_starred() *ContentCreator {
+	op := ContentStreamOperation{}
+	op.Operand = "W*"
+	cc.operands = append(cc.operands, &op)
+	return cc
+}
+
+/* Color operators. */
+
+// CS: Set the current colorspace for stroking operations.
+func (cc *ContentCreator) Add_CS(name core.PdfObjectName) *ContentCreator {
+	op := ContentStreamOperation{}
+	op.Operand = "CS"
+	op.Params = makeParamsFromNames([]core.PdfObjectName{name})
+	cc.operands = append(cc.operands, &op)
+	return cc
+}
+
+// cs: Same as CS but for non-stroking operations.
+func (cc *ContentCreator) Add_cs(name core.PdfObjectName) *ContentCreator {
+	op := ContentStreamOperation{}
+	op.Operand = "cs"
+	op.Params = makeParamsFromNames([]core.PdfObjectName{name})
+	cc.operands = append(cc.operands, &op)
+	return cc
+}
+
+// SC: Set color for stroking operations.  Input: c1, ..., cn.
+func (cc *ContentCreator) Add_SC(c ...float64) *ContentCreator {
+	op := ContentStreamOperation{}
+	op.Operand = "SC"
+	op.Params = makeParamsFromFloats(c)
+	cc.operands = append(cc.operands, &op)
+	return cc
+}
+
+// SCN: Same as SC but supports more colorspaces.
+func (cc *ContentCreator) Add_SCN(c ...float64) *ContentCreator {
+	op := ContentStreamOperation{}
+	op.Operand = "SCN"
+	op.Params = makeParamsFromFloats(c)
+	cc.operands = append(cc.operands, &op)
+	return cc
+}
+
+// SCN with name attribute (for pattern). Syntax: c1 ... cn name SCN.
+func (cc *ContentCreator) Add_SCN_pattern(name core.PdfObjectName, c ...float64) *ContentCreator {
+	op := ContentStreamOperation{}
+	op.Operand = "SCN"
+	op.Params = makeParamsFromFloats(c)
+	op.Params = append(op.Params, core.MakeName(string(name)))
+	cc.operands = append(cc.operands, &op)
+	return cc
+}
+
+// scn: Same as SC but for nonstroking operations.
+func (cc *ContentCreator) Add_scn(c ...float64) *ContentCreator {
+	op := ContentStreamOperation{}
+	op.Operand = "scn"
+	op.Params = makeParamsFromFloats(c)
+	cc.operands = append(cc.operands, &op)
+	return cc
+}
+
+// scn with name attribute (for pattern). Syntax: c1 ... cn name scn.
+func (cc *ContentCreator) Add_scn_pattern(name core.PdfObjectName, c ...float64) *ContentCreator {
+	op := ContentStreamOperation{}
+	op.Operand = "scn"
+	op.Params = makeParamsFromFloats(c)
+	op.Params = append(op.Params, core.MakeName(string(name)))
+	cc.operands = append(cc.operands, &op)
+	return cc
+}
+
+// G: Set the stroking colorspace to DeviceGray and sets the gray level (0-1).
+func (cc *ContentCreator) Add_G(gray float64) *ContentCreator {
+	op := ContentStreamOperation{}
+	op.Operand = "G"
+	op.Params = makeParamsFromFloats([]float64{gray})
+	cc.operands = append(cc.operands, &op)
+	return cc
+}
+
+// g: Same as G but used for nonstroking operations.
+func (cc *ContentCreator) Add_g(gray float64) *ContentCreator {
+	op := ContentStreamOperation{}
+	op.Operand = "g"
+	op.Params = makeParamsFromFloats([]float64{gray})
+	cc.operands = append(cc.operands, &op)
+	return cc
+}
+
+// RG: Set the stroking colorspace to DeviceRGB and sets the r,g,b colors (0-1 each).
+func (cc *ContentCreator) Add_RG(r, g, b float64) *ContentCreator {
+	op := ContentStreamOperation{}
+	op.Operand = "RG"
+	op.Params = makeParamsFromFloats([]float64{r, g, b})
+	cc.operands = append(cc.operands, &op)
+	return cc
+}
+
+// rg: Same as RG but used for nonstroking operations.
+func (cc *ContentCreator) Add_rg(r, g, b float64) *ContentCreator {
+	op := ContentStreamOperation{}
+	op.Operand = "rg"
+	op.Params = makeParamsFromFloats([]float64{r, g, b})
+	cc.operands = append(cc.operands, &op)
+	return cc
+}
+
+// K: Set the stroking colorspace to DeviceCMYK and sets the c,m,y,k color (0-1 each component).
+func (cc *ContentCreator) Add_K(c, m, y, k float64) *ContentCreator {
+	op := ContentStreamOperation{}
+	op.Operand = "K"
+	op.Params = makeParamsFromFloats([]float64{c, m, y, k})
+	cc.operands = append(cc.operands, &op)
+	return cc
+}
+
+// k: Same as K but used for nonstroking operations.
+func (cc *ContentCreator) Add_k(c, m, y, k float64) *ContentCreator {
+	op := ContentStreamOperation{}
+	op.Operand = "k"
+	op.Params = makeParamsFromFloats([]float64{c, m, y, k})
+	cc.operands = append(cc.operands, &op)
+	return cc
+}
+
+/* Shading operators. */
+
+func (cc *ContentCreator) Add_sh(name core.PdfObjectName) *ContentCreator {
+	op := ContentStreamOperation{}
+	op.Operand = "sh"
+	op.Params = makeParamsFromNames([]core.PdfObjectName{name})
+	cc.operands = append(cc.operands, &op)
+	return cc
+}
+
+/* Text related operators */
+
+/* Text state operators */
+
+// BT: Begin text.
+func (cc *ContentCreator) Add_BT() *ContentCreator {
+	op := ContentStreamOperation{}
+	op.Operand = "BT"
+	cc.operands = append(cc.operands, &op)
+	return cc
+}
+
+// ET: End text.
+func (cc *ContentCreator) Add_ET() *ContentCreator {
+	op := ContentStreamOperation{}
+	op.Operand = "ET"
+	cc.operands = append(cc.operands, &op)
+	return cc
+}
+
+// Tc: Set character spacing.
+func (cc *ContentCreator) Add_Tc(charSpace float64) *ContentCreator {
+	op := ContentStreamOperation{}
+	op.Operand = "Tc"
+	op.Params = makeParamsFromFloats([]float64{charSpace})
+	cc.operands = append(cc.operands, &op)
+	return cc
+}
+
+// Tw: Set word spacing.
+func (cc *ContentCreator) Add_Tw(wordSpace float64) *ContentCreator {
+	op := ContentStreamOperation{}
+	op.Operand = "Tw"
+	op.Params = makeParamsFromFloats([]float64{wordSpace})
+	cc.operands = append(cc.operands, &op)
+	return cc
+}
+
+// Tz: Set horizontal scaling.
+func (cc *ContentCreator) Add_Tz(scale float64) *ContentCreator {
+	op := ContentStreamOperation{}
+	op.Operand = "Tz"
+	op.Params = makeParamsFromFloats([]float64{scale})
+	cc.operands = append(cc.operands, &op)
+	return cc
+}
+
+// TL: Set leading.
+func (cc *ContentCreator) Add_TL(leading float64) *ContentCreator {
+	op := ContentStreamOperation{}
+	op.Operand = "TL"
+	op.Params = makeParamsFromFloats([]float64{leading})
+	cc.operands = append(cc.operands, &op)
+	return cc
+}
+
+// Tf: Set font and font size.
+func (cc *ContentCreator) Add_Tf(fontName core.PdfObjectName, fontSize float64) *ContentCreator {
+	op := ContentStreamOperation{}
+	op.Operand = "Tf"
+	op.Params = makeParamsFromNames([]core.PdfObjectName{fontName})
+	op.Params = append(op.Params, makeParamsFromFloats([]float64{fontSize})...)
+	cc.operands = append(cc.operands, &op)
+	return cc
+}
+
+// Tr: Set text rendering mode.
+func (cc *ContentCreator) Add_Tr(render int64) *ContentCreator {
+	op := ContentStreamOperation{}
+	op.Operand = "Tr"
+	op.Params = makeParamsFromInts([]int64{render})
+	cc.operands = append(cc.operands, &op)
+	return cc
+}
+
+// Ts: Set text rise.
+func (cc *ContentCreator) Add_Ts(rise float64) *ContentCreator {
+	op := ContentStreamOperation{}
+	op.Operand = "Ts"
+	op.Params = makeParamsFromFloats([]float64{rise})
+	cc.operands = append(cc.operands, &op)
+	return cc
+}
+
+/* Text positioning operators. */
+
+// Td: Move to start of next line with offset (tx, ty).
+func (cc *ContentCreator) Add_Td(tx, ty float64) *ContentCreator {
+	op := ContentStreamOperation{}
+	op.Operand = "Td"
+	op.Params = makeParamsFromFloats([]float64{tx, ty})
+	cc.operands = append(cc.operands, &op)
+	return cc
+}
+
+// TD: Move to start of next line with offset (tx, ty).
+func (cc *ContentCreator) Add_TD(tx, ty float64) *ContentCreator {
+	op := ContentStreamOperation{}
+	op.Operand = "TD"
+	op.Params = makeParamsFromFloats([]float64{tx, ty})
+	cc.operands = append(cc.operands, &op)
+	return cc
+}
+
+// Tm: Set the text line matrix.
+func (cc *ContentCreator) Add_Tm(a, b, c, d, e, f float64) *ContentCreator {
+	op := ContentStreamOperation{}
+	op.Operand = "Tm"
+	op.Params = makeParamsFromFloats([]float64{a, b, c, d, e, f})
+	cc.operands = append(cc.operands, &op)
+	return cc
+}
+
+// T*: Move to the start of next line.
+func (cc *ContentCreator) Add_Tstar() *ContentCreator {
+	op := ContentStreamOperation{}
+	op.Operand = "T*"
+	cc.operands = append(cc.operands, &op)
+	return cc
+}
+
+/* Text showing operators */
+
+// Tj: Show a text string.
+func (cc *ContentCreator) Add_Tj(textstr core.PdfObjectString) *ContentCreator {
+	op := ContentStreamOperation{}
+	op.Operand = "Tj"
+	op.Params = makeParamsFromStrings([]core.PdfObjectString{textstr})
+	cc.operands = append(cc.operands, &op)
+	return cc
+}
+
+// ': Move to next line and show a string.
+func (cc *ContentCreator) Add_quote(textstr core.PdfObjectString) *ContentCreator {
+	op := ContentStreamOperation{}
+	op.Operand = "'"
+	op.Params = makeParamsFromStrings([]core.PdfObjectString{textstr})
+	cc.operands = append(cc.operands, &op)
+	return cc
+}
+
+// ”: Move to next line and show a string, using aw and ac as word and character spacing respectively.
+func (cc *ContentCreator) Add_quotes(textstr core.PdfObjectString, aw, ac float64) *ContentCreator {
+	op := ContentStreamOperation{}
+	op.Operand = "''"
+	op.Params = makeParamsFromFloats([]float64{aw, ac})
+	op.Params = append(op.Params, makeParamsFromStrings([]core.PdfObjectString{textstr})...)
+	cc.operands = append(cc.operands, &op)
+	return cc
+}
+
+// TJ. Show one or more text string.  Array of numbers (displacement) and strings.
+func (cc *ContentCreator) Add_TJ(vals ...core.PdfObject) *ContentCreator {
+	op := ContentStreamOperation{}
+	op.Operand = "TJ"
+	op.Params = []core.PdfObject{core.MakeArray(vals...)}
+	cc.operands = append(cc.operands, &op)
+	return cc
+}

internal/pdf/contentstream/draw/bezier_curve.go

@@ -0,0 +1,149 @@
+package draw
+
+import (
+	"math"
+
+	"gitea.tecamino.com/paadi/pdfmerge/internal/pdf/model"
+)
+
+// Cubic bezier curves are defined by:
+// R(t) = P0*(1-t)^3 + P1*3*t*(1-t)^2 + P2*3*t^2*(1-t) + P3*t^3
+// where P0 is the current point, P1, P2 control points and P3 the final point.
+type CubicBezierCurve struct {
+	P0 Point // Starting point.
+	P1 Point // Control point 1.
+	P2 Point // Control point 2.
+	P3 Point // Final point.
+}
+
+func NewCubicBezierCurve(x0, y0, x1, y1, x2, y2, x3, y3 float64) CubicBezierCurve {
+	curve := CubicBezierCurve{}
+	curve.P0 = NewPoint(x0, y0)
+	curve.P1 = NewPoint(x1, y1)
+	curve.P2 = NewPoint(x2, y2)
+	curve.P3 = NewPoint(x3, y3)
+	return curve
+}
+
+// Add X,Y offset to all points on a curve.
+func (curve CubicBezierCurve) AddOffsetXY(offX, offY float64) CubicBezierCurve {
+	curve.P0.X += offX
+	curve.P1.X += offX
+	curve.P2.X += offX
+	curve.P3.X += offX
+
+	curve.P0.Y += offY
+	curve.P1.Y += offY
+	curve.P2.Y += offY
+	curve.P3.Y += offY
+
+	return curve
+}
+
+func (curve CubicBezierCurve) GetBounds() model.PdfRectangle {
+	minX := curve.P0.X
+	maxX := curve.P0.X
+	minY := curve.P0.Y
+	maxY := curve.P0.Y
+
+	// 1000 points.
+	for t := 0.0; t <= 1.0; t += 0.001 {
+		Rx := curve.P0.X*math.Pow(1-t, 3) +
+			curve.P1.X*3*t*math.Pow(1-t, 2) +
+			curve.P2.X*3*math.Pow(t, 2)*(1-t) +
+			curve.P3.X*math.Pow(t, 3)
+		Ry := curve.P0.Y*math.Pow(1-t, 3) +
+			curve.P1.Y*3*t*math.Pow(1-t, 2) +
+			curve.P2.Y*3*math.Pow(t, 2)*(1-t) +
+			curve.P3.Y*math.Pow(t, 3)
+
+		if Rx < minX {
+			minX = Rx
+		}
+		if Rx > maxX {
+			maxX = Rx
+		}
+		if Ry < minY {
+			minY = Ry
+		}
+		if Ry > maxY {
+			maxY = Ry
+		}
+	}
+
+	bounds := model.PdfRectangle{}
+	bounds.Llx = minX
+	bounds.Lly = minY
+	bounds.Urx = maxX
+	bounds.Ury = maxY
+	return bounds
+}
+
+type CubicBezierPath struct {
+	Curves []CubicBezierCurve
+}
+
+func NewCubicBezierPath() CubicBezierPath {
+	bpath := CubicBezierPath{}
+	bpath.Curves = []CubicBezierCurve{}
+	return bpath
+}
+
+func (this CubicBezierPath) AppendCurve(curve CubicBezierCurve) CubicBezierPath {
+	this.Curves = append(this.Curves, curve)
+	return this
+}
+
+func (bpath CubicBezierPath) Copy() CubicBezierPath {
+	bpathcopy := CubicBezierPath{}
+	bpathcopy.Curves = []CubicBezierCurve{}
+	for _, c := range bpath.Curves {
+		bpathcopy.Curves = append(bpathcopy.Curves, c)
+	}
+	return bpathcopy
+}
+
+func (bpath CubicBezierPath) Offset(offX, offY float64) CubicBezierPath {
+	for i, c := range bpath.Curves {
+		bpath.Curves[i] = c.AddOffsetXY(offX, offY)
+	}
+	return bpath
+}
+
+func (bpath CubicBezierPath) GetBoundingBox() Rectangle {
+	bbox := Rectangle{}
+
+	minX := 0.0
+	maxX := 0.0
+	minY := 0.0
+	maxY := 0.0
+	for idx, c := range bpath.Curves {
+		curveBounds := c.GetBounds()
+		if idx == 0 {
+			minX = curveBounds.Llx
+			maxX = curveBounds.Urx
+			minY = curveBounds.Lly
+			maxY = curveBounds.Ury
+			continue
+		}
+
+		if curveBounds.Llx < minX {
+			minX = curveBounds.Llx
+		}
+		if curveBounds.Urx > maxX {
+			maxX = curveBounds.Urx
+		}
+		if curveBounds.Lly < minY {
+			minY = curveBounds.Lly
+		}
+		if curveBounds.Ury > maxY {
+			maxY = curveBounds.Ury
+		}
+	}
+
+	bbox.X = minX
+	bbox.Y = minY
+	bbox.Width = maxX - minX
+	bbox.Height = maxY - minY
+	return bbox
+}

internal/pdf/contentstream/draw/path.go

@@ -0,0 +1,98 @@
+package draw
+
+// A path consists of straight line connections between each point defined in an array of points.
+type Path struct {
+	Points []Point
+}
+
+func NewPath() Path {
+	path := Path{}
+	path.Points = []Point{}
+	return path
+}
+
+func (this Path) AppendPoint(point Point) Path {
+	this.Points = append(this.Points, point)
+	return this
+}
+
+func (this Path) RemovePoint(number int) Path {
+	if number < 1 || number > len(this.Points) {
+		return this
+	}
+
+	idx := number - 1
+	this.Points = append(this.Points[:idx], this.Points[idx+1:]...)
+	return this
+}
+
+func (this Path) Length() int {
+	return len(this.Points)
+}
+
+func (this Path) GetPointNumber(number int) Point {
+	if number < 1 || number > len(this.Points) {
+		return Point{}
+	}
+	return this.Points[number-1]
+}
+
+func (path Path) Copy() Path {
+	pathcopy := Path{}
+	pathcopy.Points = []Point{}
+	for _, p := range path.Points {
+		pathcopy.Points = append(pathcopy.Points, p)
+	}
+	return pathcopy
+}
+
+func (path Path) Offset(offX, offY float64) Path {
+	for i, p := range path.Points {
+		path.Points[i] = p.Add(offX, offY)
+	}
+	return path
+}
+
+func (path Path) GetBoundingBox() BoundingBox {
+	bbox := BoundingBox{}
+
+	minX := 0.0
+	maxX := 0.0
+	minY := 0.0
+	maxY := 0.0
+	for idx, p := range path.Points {
+		if idx == 0 {
+			minX = p.X
+			maxX = p.X
+			minY = p.Y
+			maxY = p.Y
+			continue
+		}
+
+		if p.X < minX {
+			minX = p.X
+		}
+		if p.X > maxX {
+			maxX = p.X
+		}
+		if p.Y < minY {
+			minY = p.Y
+		}
+		if p.Y > maxY {
+			maxY = p.Y
+		}
+	}
+
+	bbox.X = minX
+	bbox.Y = minY
+	bbox.Width = maxX - minX
+	bbox.Height = maxY - minY
+	return bbox
+}
+
+type BoundingBox struct {
+	X      float64
+	Y      float64
+	Width  float64
+	Height float64
+}

internal/pdf/contentstream/draw/point.go

@@ -0,0 +1,32 @@
+package draw
+
+import "fmt"
+
+type Point struct {
+	X float64
+	Y float64
+}
+
+func NewPoint(x, y float64) Point {
+	point := Point{}
+	point.X = x
+	point.Y = y
+	return point
+}
+
+func (p Point) Add(dx, dy float64) Point {
+	p.X += dx
+	p.Y += dy
+	return p
+}
+
+// Add vector to a point.
+func (this Point) AddVector(v Vector) Point {
+	this.X += v.Dx
+	this.Y += v.Dy
+	return this
+}
+
+func (p Point) String() string {
+	return fmt.Sprintf("(%.1f,%.1f)", p.X, p.Y)
+}

internal/pdf/contentstream/draw/shapes.go

@@ -0,0 +1,353 @@
+package draw
+
+import (
+	"math"
+
+	pdfcontent "gitea.tecamino.com/paadi/pdfmerge/internal/pdf/contentstream"
+	pdfcore "gitea.tecamino.com/paadi/pdfmerge/internal/pdf/core"
+	pdf "gitea.tecamino.com/paadi/pdfmerge/internal/pdf/model"
+)
+
+type Circle struct {
+	X             float64
+	Y             float64
+	Width         float64
+	Height        float64
+	FillEnabled   bool // Show fill?
+	FillColor     *pdf.PdfColorDeviceRGB
+	BorderEnabled bool // Show border?
+	BorderWidth   float64
+	BorderColor   *pdf.PdfColorDeviceRGB
+	Opacity       float64 // Alpha value (0-1).
+}
+
+// Draw a circle. Can specify a graphics state (gsName) for setting opacity etc.  Otherwise leave empty ("").
+// Returns the content stream as a byte array, the bounding box and an error on failure.
+func (c Circle) Draw(gsName string) ([]byte, *pdf.PdfRectangle, error) {
+	xRad := c.Width / 2
+	yRad := c.Height / 2
+	if c.BorderEnabled {
+		xRad -= c.BorderWidth / 2
+		yRad -= c.BorderWidth / 2
+	}
+
+	magic := 0.551784
+	xMagic := xRad * magic
+	yMagic := yRad * magic
+
+	bpath := NewCubicBezierPath()
+	bpath = bpath.AppendCurve(NewCubicBezierCurve(-xRad, 0, -xRad, yMagic, -xMagic, yRad, 0, yRad))
+	bpath = bpath.AppendCurve(NewCubicBezierCurve(0, yRad, xMagic, yRad, xRad, yMagic, xRad, 0))
+	bpath = bpath.AppendCurve(NewCubicBezierCurve(xRad, 0, xRad, -yMagic, xMagic, -yRad, 0, -yRad))
+	bpath = bpath.AppendCurve(NewCubicBezierCurve(0, -yRad, -xMagic, -yRad, -xRad, -yMagic, -xRad, 0))
+	bpath = bpath.Offset(xRad, yRad)
+	if c.BorderEnabled {
+		bpath = bpath.Offset(c.BorderWidth/2, c.BorderWidth/2)
+	}
+	if c.X != 0 || c.Y != 0 {
+		bpath = bpath.Offset(c.X, c.Y)
+	}
+
+	creator := pdfcontent.NewContentCreator()
+
+	creator.Add_q()
+
+	if c.FillEnabled {
+		creator.Add_rg(c.FillColor.R(), c.FillColor.G(), c.FillColor.B())
+	}
+	if c.BorderEnabled {
+		creator.Add_RG(c.BorderColor.R(), c.BorderColor.G(), c.BorderColor.B())
+		creator.Add_w(c.BorderWidth)
+	}
+	if len(gsName) > 1 {
+		// If a graphics state is provided, use it. (Used for transparency settings here).
+		creator.Add_gs(pdfcore.PdfObjectName(gsName))
+	}
+
+	DrawBezierPathWithCreator(bpath, creator)
+	creator.Add_h() // Close the path.
+
+	if c.FillEnabled && c.BorderEnabled {
+		creator.Add_B() // fill and stroke.
+	} else if c.FillEnabled {
+		creator.Add_f() // Fill.
+	} else if c.BorderEnabled {
+		creator.Add_S() // Stroke.
+	}
+	creator.Add_Q()
+
+	// Get bounding box.
+	pathBbox := bpath.GetBoundingBox()
+	if c.BorderEnabled {
+		// Account for stroke width.
+		pathBbox.Height += c.BorderWidth
+		pathBbox.Width += c.BorderWidth
+		pathBbox.X -= c.BorderWidth / 2
+		pathBbox.Y -= c.BorderWidth / 2
+	}
+
+	// Bounding box - global coordinate system.
+	bbox := &pdf.PdfRectangle{}
+	bbox.Llx = pathBbox.X
+	bbox.Lly = pathBbox.Y
+	bbox.Urx = pathBbox.X + pathBbox.Width
+	bbox.Ury = pathBbox.Y + pathBbox.Height
+
+	return creator.Bytes(), bbox, nil
+}
+
+// A rectangle defined with a specified Width and Height and a lower left corner at (X,Y).  The rectangle can
+// optionally have a border and a filling color.
+// The Width/Height includes the border (if any specified), i.e. is positioned inside.
+type Rectangle struct {
+	X             float64
+	Y             float64
+	Width         float64
+	Height        float64
+	FillEnabled   bool // Show fill?
+	FillColor     *pdf.PdfColorDeviceRGB
+	BorderEnabled bool // Show border?
+	BorderWidth   float64
+	BorderColor   *pdf.PdfColorDeviceRGB
+	Opacity       float64 // Alpha value (0-1).
+}
+
+// Draw the circle. Can specify a graphics state (gsName) for setting opacity etc.  Otherwise leave empty ("").
+// Returns the content stream as a byte array, bounding box and an error on failure.
+func (rect Rectangle) Draw(gsName string) ([]byte, *pdf.PdfRectangle, error) {
+	path := NewPath()
+
+	path = path.AppendPoint(NewPoint(0, 0))
+	path = path.AppendPoint(NewPoint(0, rect.Height))
+	path = path.AppendPoint(NewPoint(rect.Width, rect.Height))
+	path = path.AppendPoint(NewPoint(rect.Width, 0))
+	path = path.AppendPoint(NewPoint(0, 0))
+
+	if rect.X != 0 || rect.Y != 0 {
+		path = path.Offset(rect.X, rect.Y)
+	}
+
+	creator := pdfcontent.NewContentCreator()
+
+	creator.Add_q()
+	if rect.FillEnabled {
+		creator.Add_rg(rect.FillColor.R(), rect.FillColor.G(), rect.FillColor.B())
+	}
+	if rect.BorderEnabled {
+		creator.Add_RG(rect.BorderColor.R(), rect.BorderColor.G(), rect.BorderColor.B())
+		creator.Add_w(rect.BorderWidth)
+	}
+	if len(gsName) > 1 {
+		// If a graphics state is provided, use it. (Used for transparency settings here).
+		creator.Add_gs(pdfcore.PdfObjectName(gsName))
+	}
+	DrawPathWithCreator(path, creator)
+	creator.Add_h() // Close the path.
+
+	if rect.FillEnabled && rect.BorderEnabled {
+		creator.Add_B() // fill and stroke.
+	} else if rect.FillEnabled {
+		creator.Add_f() // Fill.
+	} else if rect.BorderEnabled {
+		creator.Add_S() // Stroke.
+	}
+	creator.Add_Q()
+
+	// Get bounding box.
+	pathBbox := path.GetBoundingBox()
+
+	// Bounding box - global coordinate system.
+	bbox := &pdf.PdfRectangle{}
+	bbox.Llx = pathBbox.X
+	bbox.Lly = pathBbox.Y
+	bbox.Urx = pathBbox.X + pathBbox.Width
+	bbox.Ury = pathBbox.Y + pathBbox.Height
+
+	return creator.Bytes(), bbox, nil
+}
+
+// The currently supported line ending styles are None, Arrow (ClosedArrow) and Butt.
+type LineEndingStyle int
+
+const (
+	LineEndingStyleNone  LineEndingStyle = 0
+	LineEndingStyleArrow LineEndingStyle = 1
+	LineEndingStyleButt  LineEndingStyle = 2
+)
+
+// Defines a line between point 1 (X1,Y1) and point 2 (X2,Y2).  The line ending styles can be none (regular line),
+// or arrows at either end.  The line also has a specified width, color and opacity.
+type Line struct {
+	X1               float64
+	Y1               float64
+	X2               float64
+	Y2               float64
+	LineColor        *pdf.PdfColorDeviceRGB
+	Opacity          float64 // Alpha value (0-1).
+	LineWidth        float64
+	LineEndingStyle1 LineEndingStyle // Line ending style of point 1.
+	LineEndingStyle2 LineEndingStyle // Line ending style of point 2.
+}
+
+// Draw a line in PDF.  Generates the content stream which can be used in page contents or appearance stream of annotation.
+// Returns the stream content, XForm bounding box (local), bounding box and an error if one occurred.
+func (line Line) Draw(gsName string) ([]byte, *pdf.PdfRectangle, error) {
+	x1, x2 := line.X1, line.X2
+	y1, y2 := line.Y1, line.Y2
+
+	dy := y2 - y1
+	dx := x2 - x1
+	theta := math.Atan2(dy, dx)
+
+	L := math.Sqrt(math.Pow(dx, 2.0) + math.Pow(dy, 2.0))
+	w := line.LineWidth
+
+	pi := math.Pi
+
+	mul := 1.0
+	if dx < 0 {
+		mul *= -1.0
+	}
+	if dy < 0 {
+		mul *= -1.0
+	}
+
+	// Vs.
+	VsX := mul * (-w / 2 * math.Cos(theta+pi/2))
+	VsY := mul * (-w/2*math.Sin(theta+pi/2) + w*math.Sin(theta+pi/2))
+
+	// V1.
+	V1X := VsX + w/2*math.Cos(theta+pi/2)
+	V1Y := VsY + w/2*math.Sin(theta+pi/2)
+
+	// P2.
+	V2X := VsX + w/2*math.Cos(theta+pi/2) + L*math.Cos(theta)
+	V2Y := VsY + w/2*math.Sin(theta+pi/2) + L*math.Sin(theta)
+
+	// P3.
+	V3X := VsX + w/2*math.Cos(theta+pi/2) + L*math.Cos(theta) + w*math.Cos(theta-pi/2)
+	V3Y := VsY + w/2*math.Sin(theta+pi/2) + L*math.Sin(theta) + w*math.Sin(theta-pi/2)
+
+	// P4.
+	V4X := VsX + w/2*math.Cos(theta-pi/2)
+	V4Y := VsY + w/2*math.Sin(theta-pi/2)
+
+	path := NewPath()
+	path = path.AppendPoint(NewPoint(V1X, V1Y))
+	path = path.AppendPoint(NewPoint(V2X, V2Y))
+	path = path.AppendPoint(NewPoint(V3X, V3Y))
+	path = path.AppendPoint(NewPoint(V4X, V4Y))
+
+	lineEnding1 := line.LineEndingStyle1
+	lineEnding2 := line.LineEndingStyle2
+
+	// TODO: Allow custom height/widths.
+	arrowHeight := 3 * w
+	arrowWidth := 3 * w
+	arrowExtruding := (arrowWidth - w) / 2
+
+	if lineEnding2 == LineEndingStyleArrow {
+		// Convert P2, P3
+		p2 := path.GetPointNumber(2)
+
+		va1 := NewVectorPolar(arrowHeight, theta+pi)
+		pa1 := p2.AddVector(va1)
+
+		bVec := NewVectorPolar(arrowWidth/2, theta+pi/2)
+		aVec := NewVectorPolar(arrowHeight, theta)
+
+		va2 := NewVectorPolar(arrowExtruding, theta+pi/2)
+		pa2 := pa1.AddVector(va2)
+
+		va3 := aVec.Add(bVec.Flip())
+		pa3 := pa2.AddVector(va3)
+
+		va4 := bVec.Scale(2).Flip().Add(va3.Flip())
+		pa4 := pa3.AddVector(va4)
+
+		pa5 := pa1.AddVector(NewVectorPolar(w, theta-pi/2))
+
+		newpath := NewPath()
+		newpath = newpath.AppendPoint(path.GetPointNumber(1))
+		newpath = newpath.AppendPoint(pa1)
+		newpath = newpath.AppendPoint(pa2)
+		newpath = newpath.AppendPoint(pa3)
+		newpath = newpath.AppendPoint(pa4)
+		newpath = newpath.AppendPoint(pa5)
+		newpath = newpath.AppendPoint(path.GetPointNumber(4))
+
+		path = newpath
+	}
+	if lineEnding1 == LineEndingStyleArrow {
+		// Get the first and last points.
+		p1 := path.GetPointNumber(1)
+		pn := path.GetPointNumber(path.Length())
+
+		// First three points on arrow.
+		v1 := NewVectorPolar(w/2, theta+pi+pi/2)
+		pa1 := p1.AddVector(v1)
+
+		v2 := NewVectorPolar(arrowHeight, theta).Add(NewVectorPolar(arrowWidth/2, theta+pi/2))
+		pa2 := pa1.AddVector(v2)
+
+		v3 := NewVectorPolar(arrowExtruding, theta-pi/2)
+		pa3 := pa2.AddVector(v3)
+
+		// Last three points
+		v5 := NewVectorPolar(arrowHeight, theta)
+		pa5 := pn.AddVector(v5)
+
+		v6 := NewVectorPolar(arrowExtruding, theta+pi+pi/2)
+		pa6 := pa5.AddVector(v6)
+
+		pa7 := pa1
+
+		newpath := NewPath()
+		newpath = newpath.AppendPoint(pa1)
+		newpath = newpath.AppendPoint(pa2)
+		newpath = newpath.AppendPoint(pa3)
+		for _, p := range path.Points[1 : len(path.Points)-1] {
+			newpath = newpath.AppendPoint(p)
+		}
+		newpath = newpath.AppendPoint(pa5)
+		newpath = newpath.AppendPoint(pa6)
+		newpath = newpath.AppendPoint(pa7)
+
+		path = newpath
+	}
+
+	creator := pdfcontent.NewContentCreator()
+
+	// Draw line with arrow
+	creator.
+		Add_q().
+		Add_rg(line.LineColor.R(), line.LineColor.G(), line.LineColor.B())
+	if len(gsName) > 1 {
+		// If a graphics state is provided, use it. (Used for transparency settings here).
+		creator.Add_gs(pdfcore.PdfObjectName(gsName))
+	}
+
+	path = path.Offset(line.X1, line.Y1)
+
+	pathBbox := path.GetBoundingBox()
+
+	DrawPathWithCreator(path, creator)
+	creator.Add_f().
+		//creator.Add_S().
+		Add_Q()
+
+	/*
+		// Offsets (needed for placement of annotations bbox).
+		offX := x1 - VsX
+		offY := y1 - VsY
+	*/
+
+	// Bounding box - global coordinate system.
+	bbox := &pdf.PdfRectangle{}
+	bbox.Llx = pathBbox.X
+	bbox.Lly = pathBbox.Y
+	bbox.Urx = pathBbox.X + pathBbox.Width
+	bbox.Ury = pathBbox.Y + pathBbox.Height
+
+	return creator.Bytes(), bbox, nil
+}

internal/pdf/contentstream/draw/utils.go

@@ -0,0 +1,28 @@
+package draw
+
+import (
+	pdfcontent "gitea.tecamino.com/paadi/pdfmerge/internal/pdf/contentstream"
+)
+
+// Make the path with the content creator.
+// Adds the PDF commands to draw the path to the creator instance.
+func DrawPathWithCreator(path Path, creator *pdfcontent.ContentCreator) {
+	for idx, p := range path.Points {
+		if idx == 0 {
+			creator.Add_m(p.X, p.Y)
+		} else {
+			creator.Add_l(p.X, p.Y)
+		}
+	}
+}
+
+// Make the bezier path with the content creator.
+// Adds the PDF commands to draw the path to the creator instance.
+func DrawBezierPathWithCreator(bpath CubicBezierPath, creator *pdfcontent.ContentCreator) {
+	for idx, c := range bpath.Curves {
+		if idx == 0 {
+			creator.Add_m(c.P0.X, c.P0.Y)
+		}
+		creator.Add_c(c.P1.X, c.P1.Y, c.P2.X, c.P2.Y, c.P3.X, c.P3.Y)
+	}
+}

internal/pdf/contentstream/draw/vector.go

@@ -0,0 +1,80 @@
+package draw
+
+import "math"
+
+type Vector struct {
+	Dx float64
+	Dy float64
+}
+
+func NewVector(dx, dy float64) Vector {
+	v := Vector{}
+	v.Dx = dx
+	v.Dy = dy
+	return v
+}
+
+func NewVectorBetween(a Point, b Point) Vector {
+	v := Vector{}
+	v.Dx = b.X - a.X
+	v.Dy = b.Y - a.Y
+	return v
+}
+
+func NewVectorPolar(length float64, theta float64) Vector {
+	v := Vector{}
+
+	v.Dx = length * math.Cos(theta)
+	v.Dy = length * math.Sin(theta)
+	return v
+}
+
+func (v Vector) Add(other Vector) Vector {
+	v.Dx += other.Dx
+	v.Dy += other.Dy
+	return v
+}
+
+func (v Vector) Rotate(phi float64) Vector {
+	mag := v.Magnitude()
+	angle := v.GetPolarAngle()
+
+	return NewVectorPolar(mag, angle+phi)
+}
+
+// Change the sign of the vector: -vector.
+func (this Vector) Flip() Vector {
+	mag := this.Magnitude()
+	theta := this.GetPolarAngle()
+
+	this.Dx = mag * math.Cos(theta+math.Pi)
+	this.Dy = mag * math.Sin(theta+math.Pi)
+	return this
+}
+
+func (v Vector) FlipY() Vector {
+	v.Dy = -v.Dy
+	return v
+}
+
+func (v Vector) FlipX() Vector {
+	v.Dx = -v.Dx
+	return v
+}
+
+func (this Vector) Scale(factor float64) Vector {
+	mag := this.Magnitude()
+	theta := this.GetPolarAngle()
+
+	this.Dx = factor * mag * math.Cos(theta)
+	this.Dy = factor * mag * math.Sin(theta)
+	return this
+}
+
+func (this Vector) Magnitude() float64 {
+	return math.Sqrt(math.Pow(this.Dx, 2.0) + math.Pow(this.Dy, 2.0))
+}
+
+func (this Vector) GetPolarAngle() float64 {
+	return math.Atan2(this.Dy, this.Dx)
+}

internal/pdf/contentstream/encoding.go

@@ -0,0 +1,390 @@
+package contentstream
+
+import (
+	"bytes"
+	"errors"
+	"fmt"
+	gocolor "image/color"
+	"image/jpeg"
+
+	"gitea.tecamino.com/paadi/pdfmerge/internal/pdf/common"
+	"gitea.tecamino.com/paadi/pdfmerge/internal/pdf/core"
+)
+
+// Creates the encoder for the inline image's Filter and DecodeParms.
+func newEncoderFromInlineImage(inlineImage *ContentStreamInlineImage) (core.StreamEncoder, error) {
+	if inlineImage.Filter == nil {
+		// No filter, return raw data back.
+		return core.NewRawEncoder(), nil
+	}
+
+	// The filter should be a name or an array with a list of filter names.
+	filterName, ok := inlineImage.Filter.(*core.PdfObjectName)
+	if !ok {
+		array, ok := inlineImage.Filter.(*core.PdfObjectArray)
+		if !ok {
+			return nil, fmt.Errorf("filter not a Name or Array object")
+		}
+		if len(*array) == 0 {
+			// Empty array -> indicates raw filter (no filter).
+			return core.NewRawEncoder(), nil
+		}
+
+		if len(*array) != 1 {
+			menc, err := newMultiEncoderFromInlineImage(inlineImage)
+			if err != nil {
+				common.Log.Error("failed creating multi encoder: %v", err)
+				return nil, err
+			}
+
+			common.Log.Trace("Multi enc: %s\n", menc)
+			return menc, nil
+		}
+
+		// Single element.
+		filterObj := (*array)[0]
+		filterName, ok = filterObj.(*core.PdfObjectName)
+		if !ok {
+			return nil, fmt.Errorf("filter array member not a Name object")
+		}
+	}
+
+	// From Table 94 p. 224 (PDF32000_2008):
+	// Additional Abbreviations in an Inline Image Object:
+
+	switch *filterName {
+	case "AHx", "ASCIIHexDecode":
+		return core.NewASCIIHexEncoder(), nil
+	case "A85", "ASCII85Decode":
+		return core.NewASCII85Encoder(), nil
+	case "DCT", "DCTDecode":
+		return newDCTEncoderFromInlineImage(inlineImage)
+	case "Fl", "FlateDecode":
+		return newFlateEncoderFromInlineImage(inlineImage, nil)
+	case "LZW", "LZWDecode":
+		return newLZWEncoderFromInlineImage(inlineImage, nil)
+	case "CCF", "CCITTFaxDecode":
+		return core.NewCCITTFaxEncoder(), nil
+	case "RL", "RunLengthDecode":
+		return core.NewRunLengthEncoder(), nil
+	default:
+		common.Log.Debug("unsupported inline image encoding filter name : %s", *filterName)
+		return nil, errors.New("unsupported inline encoding method")
+	}
+}
+
+// Create a new flate decoder from an inline image object, getting all the encoding parameters
+// from the DecodeParms stream object dictionary entry that can be provided optionally, usually
+// only when a multi filter is used.
+func newFlateEncoderFromInlineImage(inlineImage *ContentStreamInlineImage, decodeParams *core.PdfObjectDictionary) (*core.FlateEncoder, error) {
+	encoder := core.NewFlateEncoder()
+
+	// If decodeParams not provided, see if we can get from the stream.
+	if decodeParams == nil {
+		obj := inlineImage.DecodeParms
+		if obj != nil {
+			dp, isDict := obj.(*core.PdfObjectDictionary)
+			if !isDict {
+				common.Log.Debug("error: DecodeParms not a dictionary (%T)", obj)
+				return nil, fmt.Errorf("invalid DecodeParms")
+			}
+			decodeParams = dp
+		}
+	}
+	if decodeParams == nil {
+		// Can safely return here if no decode params, as the following depend on the decode params.
+		return encoder, nil
+	}
+
+	common.Log.Trace("decode params: %s", decodeParams.String())
+	obj := decodeParams.Get("Predictor")
+	if obj == nil {
+		common.Log.Debug("error: Predictor missing from DecodeParms - Continue with default (1)")
+	} else {
+		predictor, ok := obj.(*core.PdfObjectInteger)
+		if !ok {
+			common.Log.Debug("error: Predictor specified but not numeric (%T)", obj)
+			return nil, fmt.Errorf("invalid Predictor")
+		}
+		encoder.Predictor = int(*predictor)
+	}
+
+	// Bits per component.  Use default if not specified (8).
+	obj = decodeParams.Get("BitsPerComponent")
+	if obj != nil {
+		bpc, ok := obj.(*core.PdfObjectInteger)
+		if !ok {
+			common.Log.Debug("error: Invalid BitsPerComponent")
+			return nil, fmt.Errorf("invalid BitsPerComponent")
+		}
+		encoder.BitsPerComponent = int(*bpc)
+	}
+
+	if encoder.Predictor > 1 {
+		// Columns.
+		encoder.Columns = 1
+		obj = decodeParams.Get("Columns")
+		if obj != nil {
+			columns, ok := obj.(*core.PdfObjectInteger)
+			if !ok {
+				return nil, fmt.Errorf("predictor column invalid")
+			}
+
+			encoder.Columns = int(*columns)
+		}
+
+		// Colors.
+		// Number of interleaved color components per sample (Default 1 if not specified)
+		encoder.Colors = 1
+		obj := decodeParams.Get("Colors")
+		if obj != nil {
+			colors, ok := obj.(*core.PdfObjectInteger)
+			if !ok {
+				return nil, fmt.Errorf("predictor colors not an integer")
+			}
+			encoder.Colors = int(*colors)
+		}
+	}
+
+	return encoder, nil
+}
+
+// Create a new LZW encoder/decoder based on an inline image object, getting all the encoding parameters
+// from the DecodeParms stream object dictionary entry.
+func newLZWEncoderFromInlineImage(inlineImage *ContentStreamInlineImage, decodeParams *core.PdfObjectDictionary) (*core.LZWEncoder, error) {
+	// Start with default settings.
+	encoder := core.NewLZWEncoder()
+
+	// If decodeParams not provided, see if we can get from the inline image directly.
+	if decodeParams == nil {
+		if inlineImage.DecodeParms != nil {
+			dp, isDict := inlineImage.DecodeParms.(*core.PdfObjectDictionary)
+			if !isDict {
+				common.Log.Debug("error: DecodeParms not a dictionary (%T)", inlineImage.DecodeParms)
+				return nil, fmt.Errorf("invalid DecodeParms")
+			}
+			decodeParams = dp
+		}
+	}
+
+	if decodeParams == nil {
+		// No decode parameters. Can safely return here if not set as the following options
+		// are related to the decode Params.
+		return encoder, nil
+	}
+
+	// The EarlyChange indicates when to increase code length, as different
+	// implementations use a different mechanisms. Essentially this chooses
+	// which LZW implementation to use.
+	// The default is 1 (one code early)
+	//
+	// The EarlyChange parameter is specified in the object stream dictionary for regular streams,
+	// but it is not specified explicitly where to check for it in the case of inline images.
+	// We will check in the decodeParms for now, we can adjust later if we come across cases of this.
+	obj := decodeParams.Get("EarlyChange")
+	if obj != nil {
+		earlyChange, ok := obj.(*core.PdfObjectInteger)
+		if !ok {
+			common.Log.Debug("error: EarlyChange specified but not numeric (%T)", obj)
+			return nil, fmt.Errorf("invalid EarlyChange")
+		}
+		if *earlyChange != 0 && *earlyChange != 1 {
+			return nil, fmt.Errorf("invalid EarlyChange value (not 0 or 1)")
+		}
+
+		encoder.EarlyChange = int(*earlyChange)
+	} else {
+		encoder.EarlyChange = 1 // default
+	}
+
+	obj = decodeParams.Get("Predictor")
+	if obj != nil {
+		predictor, ok := obj.(*core.PdfObjectInteger)
+		if !ok {
+			common.Log.Debug("error: Predictor specified but not numeric (%T)", obj)
+			return nil, fmt.Errorf("invalid Predictor")
+		}
+		encoder.Predictor = int(*predictor)
+	}
+
+	// Bits per component.  Use default if not specified (8).
+	obj = decodeParams.Get("BitsPerComponent")
+	if obj != nil {
+		bpc, ok := obj.(*core.PdfObjectInteger)
+		if !ok {
+			common.Log.Debug("error: Invalid BitsPerComponent")
+			return nil, fmt.Errorf("invalid BitsPerComponent")
+		}
+		encoder.BitsPerComponent = int(*bpc)
+	}
+
+	if encoder.Predictor > 1 {
+		// Columns.
+		encoder.Columns = 1
+		obj = decodeParams.Get("Columns")
+		if obj != nil {
+			columns, ok := obj.(*core.PdfObjectInteger)
+			if !ok {
+				return nil, fmt.Errorf("predictor column invalid")
+			}
+
+			encoder.Columns = int(*columns)
+		}
+
+		// Colors.
+		// Number of interleaved color components per sample (Default 1 if not specified)
+		encoder.Colors = 1
+		obj = decodeParams.Get("Colors")
+		if obj != nil {
+			colors, ok := obj.(*core.PdfObjectInteger)
+			if !ok {
+				return nil, fmt.Errorf("predictor colors not an integer")
+			}
+			encoder.Colors = int(*colors)
+		}
+	}
+
+	common.Log.Trace("decode params: %s", decodeParams.String())
+	return encoder, nil
+}
+
+// Create a new DCT encoder/decoder based on an inline image, getting all the encoding parameters
+// from the stream object dictionary entry and the image data itself.
+func newDCTEncoderFromInlineImage(inlineImage *ContentStreamInlineImage) (*core.DCTEncoder, error) {
+	// Start with default settings.
+	encoder := core.NewDCTEncoder()
+
+	bufReader := bytes.NewReader(inlineImage.stream)
+
+	cfg, err := jpeg.DecodeConfig(bufReader)
+	//img, _, err := goimage.Decode(bufReader)
+	if err != nil {
+		common.Log.Debug("error decoding file: %s", err)
+		return nil, err
+	}
+
+	switch cfg.ColorModel {
+	case gocolor.RGBAModel:
+		encoder.BitsPerComponent = 8
+		encoder.ColorComponents = 3 // alpha is not included in pdf.
+	case gocolor.RGBA64Model:
+		encoder.BitsPerComponent = 16
+		encoder.ColorComponents = 3
+	case gocolor.GrayModel:
+		encoder.BitsPerComponent = 8
+		encoder.ColorComponents = 1
+	case gocolor.Gray16Model:
+		encoder.BitsPerComponent = 16
+		encoder.ColorComponents = 1
+	case gocolor.CMYKModel:
+		encoder.BitsPerComponent = 8
+		encoder.ColorComponents = 4
+	case gocolor.YCbCrModel:
+		// YCbCr is not supported by PDF, but it could be a different colorspace
+		// with 3 components.  Would be specified by the ColorSpace entry.
+		encoder.BitsPerComponent = 8
+		encoder.ColorComponents = 3
+	default:
+		return nil, errors.New("unsupported color model")
+	}
+	encoder.Width = cfg.Width
+	encoder.Height = cfg.Height
+	common.Log.Trace("DCT Encoder: %+v", encoder)
+
+	return encoder, nil
+}
+
+// Create a new multi-filter encoder/decoder based on an inline image, getting all the encoding parameters
+// from the filter specification and the DecodeParms (DP) dictionaries.
+func newMultiEncoderFromInlineImage(inlineImage *ContentStreamInlineImage) (*core.MultiEncoder, error) {
+	mencoder := core.NewMultiEncoder()
+
+	// Prepare the decode params array (one for each filter type)
+	// Optional, not always present.
+	var decodeParamsDict *core.PdfObjectDictionary
+	decodeParamsArray := []core.PdfObject{}
+	if obj := inlineImage.DecodeParms; obj != nil {
+		// If it is a dictionary, assume it applies to all
+		dict, isDict := obj.(*core.PdfObjectDictionary)
+		if isDict {
+			decodeParamsDict = dict
+		}
+
+		// If it is an array, assume there is one for each
+		arr, isArray := obj.(*core.PdfObjectArray)
+		if isArray {
+			for _, dictObj := range *arr {
+				if dict, is := dictObj.(*core.PdfObjectDictionary); is {
+					decodeParamsArray = append(decodeParamsArray, dict)
+				} else {
+					decodeParamsArray = append(decodeParamsArray, nil)
+				}
+			}
+		}
+	}
+
+	obj := inlineImage.Filter
+	if obj == nil {
+		return nil, fmt.Errorf("filter missing")
+	}
+
+	array, ok := obj.(*core.PdfObjectArray)
+	if !ok {
+		return nil, fmt.Errorf("multi filter can only be made from array")
+	}
+
+	for idx, obj := range *array {
+		name, ok := obj.(*core.PdfObjectName)
+		if !ok {
+			return nil, fmt.Errorf("multi filter array element not a name")
+		}
+
+		var dp core.PdfObject
+
+		// If decode params dict is set, use it.  Otherwise take from array..
+		if decodeParamsDict != nil {
+			dp = decodeParamsDict
+		} else {
+			// Only get the dp if provided.  Oftentimes there is no decode params dict
+			// provided.
+			if len(decodeParamsArray) > 0 {
+				if idx >= len(decodeParamsArray) {
+					return nil, fmt.Errorf("missing elements in decode params array")
+				}
+				dp = decodeParamsArray[idx]
+			}
+		}
+
+		var dParams *core.PdfObjectDictionary
+		if dict, is := dp.(*core.PdfObjectDictionary); is {
+			dParams = dict
+		}
+
+		switch *name {
+		case core.StreamEncodingFilterNameFlate, "Fl":
+			// XXX: need to separate out the DecodeParms..
+			encoder, err := newFlateEncoderFromInlineImage(inlineImage, dParams)
+			if err != nil {
+				return nil, err
+			}
+			mencoder.AddEncoder(encoder)
+		case core.StreamEncodingFilterNameLZW:
+			encoder, err := newLZWEncoderFromInlineImage(inlineImage, dParams)
+			if err != nil {
+				return nil, err
+			}
+			mencoder.AddEncoder(encoder)
+		case core.StreamEncodingFilterNameASCIIHex:
+			encoder := core.NewASCIIHexEncoder()
+			mencoder.AddEncoder(encoder)
+		case core.StreamEncodingFilterNameASCII85, "A85":
+			encoder := core.NewASCII85Encoder()
+			mencoder.AddEncoder(encoder)
+		default:
+			common.Log.Error("Unsupported filter %s", *name)
+			return nil, fmt.Errorf("invalid filter in multi filter array")
+		}
+	}
+
+	return mencoder, nil
+}

internal/pdf/contentstream/inline-image.go

@@ -0,0 +1,456 @@
+package contentstream
+
+import (
+	"bytes"
+	"errors"
+	"fmt"
+
+	"gitea.tecamino.com/paadi/pdfmerge/internal/pdf/common"
+	"gitea.tecamino.com/paadi/pdfmerge/internal/pdf/core"
+	"gitea.tecamino.com/paadi/pdfmerge/internal/pdf/model"
+)
+
+// A representation of an inline image in a Content stream. Everything between the BI and EI operands.
+// ContentStreamInlineImage implements the core.PdfObject interface although strictly it is not a PDF object.
+type ContentStreamInlineImage struct {
+	BitsPerComponent core.PdfObject
+	ColorSpace       core.PdfObject
+	Decode           core.PdfObject
+	DecodeParms      core.PdfObject
+	Filter           core.PdfObject
+	Height           core.PdfObject
+	ImageMask        core.PdfObject
+	Intent           core.PdfObject
+	Interpolate      core.PdfObject
+	Width            core.PdfObject
+	stream           []byte
+}
+
+// Make a new content stream inline image object from an image.
+func NewInlineImageFromImage(img model.Image, encoder core.StreamEncoder) (*ContentStreamInlineImage, error) {
+	if encoder == nil {
+		encoder = core.NewRawEncoder()
+	}
+
+	inlineImage := ContentStreamInlineImage{}
+	switch img.ColorComponents {
+	case 1:
+		inlineImage.ColorSpace = core.MakeName("G") // G short for DeviceGray
+	case 3:
+		inlineImage.ColorSpace = core.MakeName("RGB") // RGB short for DeviceRGB
+	case 4:
+		inlineImage.ColorSpace = core.MakeName("CMYK") // CMYK short for DeviceCMYK
+	default:
+		common.Log.Debug("invalid number of color components for inline image: %d", img.ColorComponents)
+		return nil, errors.New("invalid number of color components")
+	}
+
+	inlineImage.BitsPerComponent = core.MakeInteger(img.BitsPerComponent)
+	inlineImage.Width = core.MakeInteger(img.Width)
+	inlineImage.Height = core.MakeInteger(img.Height)
+
+	encoded, err := encoder.EncodeBytes(img.Data)
+	if err != nil {
+		return nil, err
+	}
+
+	inlineImage.stream = encoded
+
+	filterName := encoder.GetFilterName()
+	if filterName != core.StreamEncodingFilterNameRaw {
+		inlineImage.Filter = core.MakeName(filterName)
+	}
+	// XXX/FIXME: Add decode params?
+
+	return &inlineImage, nil
+}
+
+func (si *ContentStreamInlineImage) String() string {
+	s := fmt.Sprintf("InlineImage(len=%d)\n", len(si.stream))
+	if si.BitsPerComponent != nil {
+		s += "- BPC " + si.BitsPerComponent.DefaultWriteString() + "\n"
+	}
+	if si.ColorSpace != nil {
+		s += "- CS " + si.ColorSpace.DefaultWriteString() + "\n"
+	}
+	if si.Decode != nil {
+		s += "- D " + si.Decode.DefaultWriteString() + "\n"
+	}
+	if si.DecodeParms != nil {
+		s += "- DP " + si.DecodeParms.DefaultWriteString() + "\n"
+	}
+	if si.Filter != nil {
+		s += "- F " + si.Filter.DefaultWriteString() + "\n"
+	}
+	if si.Height != nil {
+		s += "- H " + si.Height.DefaultWriteString() + "\n"
+	}
+	if si.ImageMask != nil {
+		s += "- IM " + si.ImageMask.DefaultWriteString() + "\n"
+	}
+	if si.Intent != nil {
+		s += "- Intent " + si.Intent.DefaultWriteString() + "\n"
+	}
+	if si.Interpolate != nil {
+		s += "- I " + si.Interpolate.DefaultWriteString() + "\n"
+	}
+	if si.Width != nil {
+		s += "- W " + si.Width.DefaultWriteString() + "\n"
+	}
+	return s
+}
+
+func (si *ContentStreamInlineImage) DefaultWriteString() string {
+	var output bytes.Buffer
+
+	// We do not start with "BI" as that is the operand and is written out separately.
+	// Write out the parameters
+	s := ""
+
+	if si.BitsPerComponent != nil {
+		s += "/BPC " + si.BitsPerComponent.DefaultWriteString() + "\n"
+	}
+	if si.ColorSpace != nil {
+		s += "/CS " + si.ColorSpace.DefaultWriteString() + "\n"
+	}
+	if si.Decode != nil {
+		s += "/D " + si.Decode.DefaultWriteString() + "\n"
+	}
+	if si.DecodeParms != nil {
+		s += "/DP " + si.DecodeParms.DefaultWriteString() + "\n"
+	}
+	if si.Filter != nil {
+		s += "/F " + si.Filter.DefaultWriteString() + "\n"
+	}
+	if si.Height != nil {
+		s += "/H " + si.Height.DefaultWriteString() + "\n"
+	}
+	if si.ImageMask != nil {
+		s += "/IM " + si.ImageMask.DefaultWriteString() + "\n"
+	}
+	if si.Intent != nil {
+		s += "/Intent " + si.Intent.DefaultWriteString() + "\n"
+	}
+	if si.Interpolate != nil {
+		s += "/I " + si.Interpolate.DefaultWriteString() + "\n"
+	}
+	if si.Width != nil {
+		s += "/W " + si.Width.DefaultWriteString() + "\n"
+	}
+	output.WriteString(s)
+
+	output.WriteString("ID ")
+	output.Write(si.stream)
+	output.WriteString("\nEI\n")
+
+	return output.String()
+}
+
+func (s *ContentStreamInlineImage) GetColorSpace(resources *model.PdfPageResources) (model.PdfColorspace, error) {
+	if s.ColorSpace == nil {
+		// Default.
+		common.Log.Debug("Inline image not having specified colorspace, assuming Gray")
+		return model.NewPdfColorspaceDeviceGray(), nil
+	}
+
+	// If is an array, then could be an indexed colorspace.
+	if arr, isArr := s.ColorSpace.(*core.PdfObjectArray); isArr {
+		return newIndexedColorspaceFromPdfObject(arr)
+	}
+
+	name, ok := s.ColorSpace.(*core.PdfObjectName)
+	if !ok {
+		common.Log.Debug("error: Invalid object type (%T;%+v)", s.ColorSpace, s.ColorSpace)
+		return nil, errors.New("type check error")
+	}
+
+	switch *name {
+	case "G", "DeviceGray":
+		return model.NewPdfColorspaceDeviceGray(), nil
+	case "RGB", "DeviceRGB":
+		return model.NewPdfColorspaceDeviceRGB(), nil
+	case "CMYK", "DeviceCMYK":
+		return model.NewPdfColorspaceDeviceCMYK(), nil
+	case "I", "Indexed":
+		return nil, errors.New("unsupported Index colorspace")
+	default:
+		if resources.ColorSpace == nil {
+			// Can also refer to a name in the PDF page resources...
+			common.Log.Debug("error, unsupported inline image colorspace: %s", *name)
+			return nil, errors.New("unknown colorspace")
+		}
+
+		cs, has := resources.ColorSpace.Colorspaces[string(*name)]
+		if !has {
+			// Can also refer to a name in the PDF page resources...
+			common.Log.Debug("error, unsupported inline image colorspace: %s", *name)
+			return nil, errors.New("unknown colorspace")
+		}
+
+		return cs, nil
+	}
+}
+
+func (s *ContentStreamInlineImage) GetEncoder() (core.StreamEncoder, error) {
+	return newEncoderFromInlineImage(s)
+}
+
+// Is a mask ?
+// The image mask entry in the image dictionary specifies that the image data shall be used as a stencil
+// mask for painting in the current color. The mask data is 1bpc, grayscale.
+func (s *ContentStreamInlineImage) IsMask() (bool, error) {
+	if s.ImageMask != nil {
+		imMask, ok := s.ImageMask.(*core.PdfObjectBool)
+		if !ok {
+			common.Log.Debug("Image mask not a boolean")
+			return false, errors.New("invalid object type")
+		}
+
+		return bool(*imMask), nil
+	} else {
+		return false, nil
+	}
+
+}
+
+// Export the inline image to Image which can be transformed or exported easily.
+// Page resources are needed to look up colorspace information.
+func (si *ContentStreamInlineImage) ToImage(resources *model.PdfPageResources) (*model.Image, error) {
+	// Decode the imaging data if encoded.
+	encoder, err := newEncoderFromInlineImage(si)
+	if err != nil {
+		return nil, err
+	}
+	common.Log.Trace("encoder: %+v %T", encoder, encoder)
+	common.Log.Trace("inline image: %+v", si)
+
+	decoded, err := encoder.DecodeBytes(si.stream)
+	if err != nil {
+		return nil, err
+	}
+
+	image := &model.Image{}
+
+	// Height.
+	if si.Height == nil {
+		return nil, errors.New("height attribute missing")
+	}
+	height, ok := si.Height.(*core.PdfObjectInteger)
+	if !ok {
+		return nil, errors.New("invalid height")
+	}
+	image.Height = int64(*height)
+
+	// Width.
+	if si.Width == nil {
+		return nil, errors.New("width attribute missing")
+	}
+	width, ok := si.Width.(*core.PdfObjectInteger)
+	if !ok {
+		return nil, errors.New("invalid width")
+	}
+	image.Width = int64(*width)
+
+	// Image mask?
+	isMask, err := si.IsMask()
+	if err != nil {
+		return nil, err
+	}
+
+	if isMask {
+		// Masks are grayscale 1bpc.
+		image.BitsPerComponent = 1
+		image.ColorComponents = 1
+	} else {
+		// BPC.
+		if si.BitsPerComponent == nil {
+			common.Log.Debug("Inline Bits per component missing - assuming 8")
+			image.BitsPerComponent = 8
+		} else {
+			bpc, ok := si.BitsPerComponent.(*core.PdfObjectInteger)
+			if !ok {
+				common.Log.Debug("error invalid bits per component value, type %T", si.BitsPerComponent)
+				return nil, errors.New("BPC Type error")
+			}
+			image.BitsPerComponent = int64(*bpc)
+		}
+
+		// Color components.
+		if si.ColorSpace != nil {
+			cs, err := si.GetColorSpace(resources)
+			if err != nil {
+				return nil, err
+			}
+			image.ColorComponents = cs.GetNumComponents()
+		} else {
+			// Default gray if not specified.
+			common.Log.Debug("Inline Image colorspace not specified - assuming 1 color component")
+			image.ColorComponents = 1
+		}
+	}
+
+	image.Data = decoded
+
+	return image, nil
+}
+
+// Parse an inline image from a content stream, both read its properties and binary data.
+// When called, "BI" has already been read from the stream.  This function
+// finishes reading through "EI" and then returns the ContentStreamInlineImage.
+func (s *ContentStreamParser) ParseInlineImage() (*ContentStreamInlineImage, error) {
+	// Reading parameters.
+	im := ContentStreamInlineImage{}
+
+	for {
+		s.skipSpaces()
+		obj, err, isOperand := s.parseObject()
+		if err != nil {
+			return nil, err
+		}
+
+		if !isOperand {
+			// Not an operand.. Read key value properties..
+			param, ok := obj.(*core.PdfObjectName)
+			if !ok {
+				common.Log.Debug("invalid inline image property (expecting name) - %T", obj)
+				return nil, fmt.Errorf("invalid inline image property (expecting name) - %T", obj)
+			}
+
+			valueObj, err, isOperand := s.parseObject()
+			if err != nil {
+				return nil, err
+			}
+			if isOperand {
+				return nil, fmt.Errorf("not expecting an operand")
+			}
+
+			// From 8.9.7 "Inline Images" p. 223 (PDF32000_2008):
+			// The key-value pairs appearing between the BI and ID operators are analogous to those in the dictionary
+			// portion of an image XObject (though the syntax is different).
+			// Table 93 shows the entries that are valid for an inline image, all of which shall have the same meanings
+			// as in a stream dictionary (see Table 5) or an image dictionary (see Table 89).
+			// Entries other than those listed shall be ignored; in particular, the Type, Subtype, and Length
+			// entries normally found in a stream or image dictionary are unnecessary.
+			// For convenience, the abbreviations shown in the table may be used in place of the fully spelled-out keys.
+			// Table 94 shows additional abbreviations that can be used for the names of colour spaces and filters.
+
+			switch *param {
+			case "BPC", "BitsPerComponent":
+				im.BitsPerComponent = valueObj
+			case "CS", "ColorSpace":
+				im.ColorSpace = valueObj
+			case "D", "Decode":
+				im.Decode = valueObj
+			case "DP", "DecodeParms":
+				im.DecodeParms = valueObj
+			case "F", "Filter":
+				im.Filter = valueObj
+			case "H", "Height":
+				im.Height = valueObj
+			case "IM", "ImageMask":
+				im.ImageMask = valueObj
+			case "Intent":
+				im.Intent = valueObj
+			case "I", "Interpolate":
+				im.Interpolate = valueObj
+			case "W", "Width":
+				im.Width = valueObj
+			default:
+				return nil, fmt.Errorf("unknown inline image parameter %s", *param)
+			}
+		}
+
+		if isOperand {
+			operand, ok := obj.(*core.PdfObjectString)
+			if !ok {
+				return nil, fmt.Errorf("failed to read inline image - invalid operand")
+			}
+
+			switch *operand {
+			case "EI":
+				// Image fully defined
+				common.Log.Trace("Inline image finished...")
+				return &im, nil
+			case "ID":
+				// Inline image data.
+				// Should get a single space (0x20) followed by the data and then EI.
+				common.Log.Trace("ID start")
+
+				// Skip the space if its there.
+				b, err := s.reader.Peek(1)
+				if err != nil {
+					return nil, err
+				}
+				if core.IsWhiteSpace(b[0]) {
+					s.reader.Discard(1)
+				}
+
+				// Unfortunately there is no good way to know how many bytes to read since it
+				// depends on the Filter and encoding etc.
+				// Therefore we will simply read until we find "<ws>EI<ws>" where <ws> is whitespace
+				// although of course that could be a part of the data (even if unlikely).
+				im.stream = []byte{}
+				state := 0
+				var skipBytes []byte
+				for {
+					c, err := s.reader.ReadByte()
+					if err != nil {
+						common.Log.Debug("Unable to find end of image EI in inline image data")
+						return nil, err
+					}
+					switch state {
+					case 0:
+						if core.IsWhiteSpace(c) {
+							skipBytes = []byte{}
+							skipBytes = append(skipBytes, c)
+							state = 1
+						} else {
+							im.stream = append(im.stream, c)
+						}
+					case 1:
+						skipBytes = append(skipBytes, c)
+						if c == 'E' {
+							state = 2
+						} else {
+							im.stream = append(im.stream, skipBytes...)
+							skipBytes = []byte{} // Clear.
+							// Need an extra check to decide if we fall back to state 0 or 1.
+							if core.IsWhiteSpace(c) {
+								state = 1
+							} else {
+								state = 0
+							}
+						}
+					case 2:
+						skipBytes = append(skipBytes, c)
+						if c == 'I' {
+							state = 3
+						} else {
+							im.stream = append(im.stream, skipBytes...)
+							skipBytes = []byte{} // Clear.
+							state = 0
+						}
+					case 3:
+						skipBytes = append(skipBytes, c)
+						if core.IsWhiteSpace(c) {
+							// image data finished.
+							if len(im.stream) > 100 {
+								common.Log.Trace("Image stream (%d): % x ...", len(im.stream), im.stream[:100])
+							} else {
+								common.Log.Trace("Image stream (%d): % x", len(im.stream), im.stream)
+							}
+							// Exit point.
+							return &im, nil
+						} else {
+							// Seems like "<ws>EI" was part of the data.
+							im.stream = append(im.stream, skipBytes...)
+							skipBytes = []byte{} // Clear.
+							state = 0
+						}
+					}
+				}
+				// Never reached (exit point is at end of EI).
+			}
+		}
+	}
+}

internal/pdf/contentstream/parser.go

@@ -0,0 +1,586 @@
+package contentstream
+
+import (
+	"bufio"
+	"bytes"
+	"encoding/hex"
+	"errors"
+	"fmt"
+	"io"
+	"strconv"
+
+	"gitea.tecamino.com/paadi/pdfmerge/internal/pdf/common"
+	"gitea.tecamino.com/paadi/pdfmerge/internal/pdf/core"
+)
+
+// Content stream parser.
+type ContentStreamParser struct {
+	reader *bufio.Reader
+}
+
+// Create a new instance of the content stream parser from an input content
+// stream string.
+func NewContentStreamParser(contentStr string) *ContentStreamParser {
+	// Each command has parameters and an operand (command).
+	parser := ContentStreamParser{}
+
+	buffer := bytes.NewBufferString(contentStr + "\n") // Add newline at end to get last operand without EOF error.
+	parser.reader = bufio.NewReader(buffer)
+
+	return &parser
+}
+
+// Parses all commands in content stream, returning a list of operation data.
+func (sp *ContentStreamParser) Parse() (*ContentStreamOperations, error) {
+	operations := ContentStreamOperations{}
+
+	for {
+		operation := ContentStreamOperation{}
+
+		for {
+			obj, err, isOperand := sp.parseObject()
+			if err != nil {
+				if err == io.EOF {
+					// End of data. Successful exit point.
+					return &operations, nil
+				}
+				return &operations, err
+			}
+			if isOperand {
+				operation.Operand = string(*obj.(*core.PdfObjectString))
+				operations = append(operations, &operation)
+				break
+			} else {
+				operation.Params = append(operation.Params, obj)
+			}
+		}
+
+		if operation.Operand == "BI" {
+			// Parse an inline image, reads everything between the "BI" and "EI".
+			// The image is stored as the parameter.
+			im, err := sp.ParseInlineImage()
+			if err != nil {
+				return &operations, err
+			}
+			operation.Params = append(operation.Params, im)
+		}
+	}
+}
+
+// Skip over any spaces.  Returns the number of spaces skipped and
+// an error if any.
+func (sp *ContentStreamParser) skipSpaces() (int, error) {
+	cnt := 0
+	for {
+		bb, err := sp.reader.Peek(1)
+		if err != nil {
+			return 0, err
+		}
+		if core.IsWhiteSpace(bb[0]) {
+			sp.reader.ReadByte()
+			cnt++
+		} else {
+			break
+		}
+	}
+
+	return cnt, nil
+}
+
+// Skip over comments and spaces. Can handle multi-line comments.
+func (sp *ContentStreamParser) skipComments() error {
+	if _, err := sp.skipSpaces(); err != nil {
+		return err
+	}
+
+	isFirst := true
+	for {
+		bb, err := sp.reader.Peek(1)
+		if err != nil {
+			common.Log.Debug("error %s", err.Error())
+			return err
+		}
+		if isFirst && bb[0] != '%' {
+			// Not a comment clearly.
+			return nil
+		} else {
+			isFirst = false
+		}
+		if (bb[0] != '\r') && (bb[0] != '\n') {
+			sp.reader.ReadByte()
+		} else {
+			break
+		}
+	}
+
+	// Call recursively to handle multiline comments.
+	return sp.skipComments()
+}
+
+// Parse a name starting with '/'.
+func (sp *ContentStreamParser) parseName() (core.PdfObjectName, error) {
+	name := ""
+	nameStarted := false
+	for {
+		bb, err := sp.reader.Peek(1)
+		if err == io.EOF {
+			break // Can happen when loading from object stream.
+		}
+		if err != nil {
+			return core.PdfObjectName(name), err
+		}
+
+		if !nameStarted {
+			// Should always start with '/', otherwise not valid.
+			if bb[0] == '/' {
+				nameStarted = true
+				sp.reader.ReadByte()
+			} else {
+				common.Log.Error("Name starting with %s (% x)", bb, bb)
+				return core.PdfObjectName(name), fmt.Errorf("invalid name: (%c)", bb[0])
+			}
+		} else {
+			if core.IsWhiteSpace(bb[0]) {
+				break
+			} else if (bb[0] == '/') || (bb[0] == '[') || (bb[0] == '(') || (bb[0] == ']') || (bb[0] == '<') || (bb[0] == '>') {
+				break // Looks like start of next statement.
+			} else if bb[0] == '#' {
+				hexcode, err := sp.reader.Peek(3)
+				if err != nil {
+					return core.PdfObjectName(name), err
+				}
+				sp.reader.Discard(3)
+
+				code, err := hex.DecodeString(string(hexcode[1:3]))
+				if err != nil {
+					return core.PdfObjectName(name), err
+				}
+				name += string(code)
+			} else {
+				b, _ := sp.reader.ReadByte()
+				name += string(b)
+			}
+		}
+	}
+	return core.PdfObjectName(name), nil
+}
+
+// Numeric objects.
+// Section 7.3.3.
+// Integer or Float.
+//
+// An integer shall be written as one or more decimal digits optionally
+// preceded by a sign. The value shall be interpreted as a signed
+// decimal integer and shall be converted to an integer object.
+//
+// A real value shall be written as one or more decimal digits with an
+// optional sign and a leading, trailing, or embedded PERIOD (2Eh)
+// (decimal point). The value shall be interpreted as a real number
+// and shall be converted to a real object.
+//
+// Regarding exponential numbers: 7.3.3 Numeric Objects:
+// A conforming writer shall not use the PostScript syntax for numbers
+// with non-decimal radices (such as 16#FFFE) or in exponential format
+// (such as 6.02E23).
+// Nonetheless, we sometimes get numbers with exponential format, so
+// we will support it in the reader (no confusion with other types, so
+// no compromise).
+func (sp *ContentStreamParser) parseNumber() (core.PdfObject, error) {
+	isFloat := false
+	allowSigns := true
+	numStr := ""
+	for {
+		common.Log.Trace("Parsing number \"%s\"", numStr)
+		bb, err := sp.reader.Peek(1)
+		if err == io.EOF {
+			// GH: EOF handling.  Handle EOF like end of line.  Can happen with
+			// encoded object streams that the object is at the end.
+			// In other cases, we will get the EOF error elsewhere at any rate.
+			break // Handle like EOF
+		}
+		if err != nil {
+			common.Log.Error("error %s", err)
+			return nil, err
+		}
+		if allowSigns && (bb[0] == '-' || bb[0] == '+') {
+			// Only appear in the beginning, otherwise serves as a delimiter.
+			b, _ := sp.reader.ReadByte()
+			numStr += string(b)
+			allowSigns = false // Only allowed in beginning, and after e (exponential).
+		} else if core.IsDecimalDigit(bb[0]) {
+			b, _ := sp.reader.ReadByte()
+			numStr += string(b)
+		} else if bb[0] == '.' {
+			b, _ := sp.reader.ReadByte()
+			numStr += string(b)
+			isFloat = true
+		} else if bb[0] == 'e' {
+			// Exponential number format.
+			b, _ := sp.reader.ReadByte()
+			numStr += string(b)
+			isFloat = true
+			allowSigns = true
+		} else {
+			break
+		}
+	}
+
+	if isFloat {
+		fVal, err := strconv.ParseFloat(numStr, 64)
+		if err != nil {
+			common.Log.Debug("error parsing number %q err=%v. Using 0.0. Output may be incorrect", numStr, err)
+			fVal = 0.0
+			err = nil
+		}
+		o := core.PdfObjectFloat(fVal)
+		return &o, err
+	} else {
+		intVal, err := strconv.ParseInt(numStr, 10, 64)
+		if err != nil {
+			common.Log.Debug("error parsing integer %q err=%v. Using 0. Output may be incorrect", numStr, err)
+			intVal = 0
+			err = nil
+		}
+		o := core.PdfObjectInteger(intVal)
+		return &o, err
+	}
+}
+
+// A string starts with '(' and ends with ')'.
+func (sp *ContentStreamParser) parseString() (core.PdfObjectString, error) {
+	sp.reader.ReadByte()
+
+	bytes := []byte{}
+	count := 1
+	for {
+		bb, err := sp.reader.Peek(1)
+		if err != nil {
+			return core.PdfObjectString(bytes), err
+		}
+
+		if bb[0] == '\\' { // Escape sequence.
+			sp.reader.ReadByte() // Skip the escape \ byte.
+			b, err := sp.reader.ReadByte()
+			if err != nil {
+				return core.PdfObjectString(bytes), err
+			}
+
+			// Octal '\ddd' number (base 8).
+			if core.IsOctalDigit(b) {
+				bb, err := sp.reader.Peek(2)
+				if err != nil {
+					return core.PdfObjectString(bytes), err
+				}
+
+				numeric := []byte{}
+				numeric = append(numeric, b)
+				for _, val := range bb {
+					if core.IsOctalDigit(val) {
+						numeric = append(numeric, val)
+					} else {
+						break
+					}
+				}
+				sp.reader.Discard(len(numeric) - 1)
+
+				common.Log.Trace("Numeric string \"%s\"", numeric)
+				code, err := strconv.ParseUint(string(numeric), 8, 32)
+				if err != nil {
+					return core.PdfObjectString(bytes), err
+				}
+				bytes = append(bytes, byte(code))
+				continue
+			}
+
+			switch b {
+			case 'n':
+				bytes = append(bytes, '\n')
+			case 'r':
+				bytes = append(bytes, '\r')
+			case 't':
+				bytes = append(bytes, '\t')
+			case 'b':
+				bytes = append(bytes, '\b')
+			case 'f':
+				bytes = append(bytes, '\f')
+			case '(':
+				bytes = append(bytes, '(')
+			case ')':
+				bytes = append(bytes, ')')
+			case '\\':
+				bytes = append(bytes, '\\')
+			}
+
+			continue
+		} else if bb[0] == '(' {
+			count++
+		} else if bb[0] == ')' {
+			count--
+			if count == 0 {
+				sp.reader.ReadByte()
+				break
+			}
+		}
+
+		b, _ := sp.reader.ReadByte()
+		bytes = append(bytes, b)
+	}
+
+	return core.PdfObjectString(bytes), nil
+}
+
+// Starts with '<' ends with '>'.
+func (sp *ContentStreamParser) parseHexString() (core.PdfObjectString, error) {
+	sp.reader.ReadByte()
+
+	hextable := []byte("0123456789abcdefABCDEF")
+
+	tmp := []byte{}
+	for {
+		sp.skipSpaces()
+
+		bb, err := sp.reader.Peek(1)
+		if err != nil {
+			return core.PdfObjectString(""), err
+		}
+
+		if bb[0] == '>' {
+			sp.reader.ReadByte()
+			break
+		}
+
+		b, _ := sp.reader.ReadByte()
+		if bytes.IndexByte(hextable, b) >= 0 {
+			tmp = append(tmp, b)
+		}
+	}
+
+	if len(tmp)%2 == 1 {
+		tmp = append(tmp, '0')
+	}
+
+	buf, _ := hex.DecodeString(string(tmp))
+	return core.PdfObjectString(buf), nil
+}
+
+// Starts with '[' ends with ']'.  Can contain any kinds of direct objects.
+func (sp *ContentStreamParser) parseArray() (core.PdfObjectArray, error) {
+	arr := make(core.PdfObjectArray, 0)
+
+	sp.reader.ReadByte()
+
+	for {
+		sp.skipSpaces()
+
+		bb, err := sp.reader.Peek(1)
+		if err != nil {
+			return arr, err
+		}
+
+		if bb[0] == ']' {
+			sp.reader.ReadByte()
+			break
+		}
+
+		obj, err, _ := sp.parseObject()
+		if err != nil {
+			return arr, err
+		}
+		arr = append(arr, obj)
+	}
+
+	return arr, nil
+}
+
+// Parse bool object.
+func (sp *ContentStreamParser) parseBool() (core.PdfObjectBool, error) {
+	bb, err := sp.reader.Peek(4)
+	if err != nil {
+		return core.PdfObjectBool(false), err
+	}
+	if (len(bb) >= 4) && (string(bb[:4]) == "true") {
+		sp.reader.Discard(4)
+		return core.PdfObjectBool(true), nil
+	}
+
+	bb, err = sp.reader.Peek(5)
+	if err != nil {
+		return core.PdfObjectBool(false), err
+	}
+	if (len(bb) >= 5) && (string(bb[:5]) == "false") {
+		sp.reader.Discard(5)
+		return core.PdfObjectBool(false), nil
+	}
+
+	return core.PdfObjectBool(false), errors.New("unexpected boolean string")
+}
+
+// Parse null object.
+func (sp *ContentStreamParser) parseNull() (core.PdfObjectNull, error) {
+	_, err := sp.reader.Discard(4)
+	return core.PdfObjectNull{}, err
+}
+
+func (sp *ContentStreamParser) parseDict() (*core.PdfObjectDictionary, error) {
+	common.Log.Trace("Reading content stream dict!")
+
+	dict := core.MakeDict()
+
+	// Pass the '<<'
+	c, _ := sp.reader.ReadByte()
+	if c != '<' {
+		return nil, errors.New("invalid dict")
+	}
+	c, _ = sp.reader.ReadByte()
+	if c != '<' {
+		return nil, errors.New("invalid dict")
+	}
+
+	for {
+		sp.skipSpaces()
+
+		bb, err := sp.reader.Peek(2)
+		if err != nil {
+			return nil, err
+		}
+
+		common.Log.Trace("Dict peek: %s (% x)!", string(bb), string(bb))
+		if (bb[0] == '>') && (bb[1] == '>') {
+			common.Log.Trace("EOF dictionary")
+			sp.reader.ReadByte()
+			sp.reader.ReadByte()
+			break
+		}
+		common.Log.Trace("Parse the name!")
+
+		keyName, err := sp.parseName()
+		common.Log.Trace("Key: %s", keyName)
+		if err != nil {
+			common.Log.Debug("error Returning name err %s", err)
+			return nil, err
+		}
+
+		if len(keyName) > 4 && keyName[len(keyName)-4:] == "null" {
+			// Some writers have a bug where the null is appended without
+			// space.  For example "\Boundsnull"
+			newKey := keyName[0 : len(keyName)-4]
+			common.Log.Trace("Taking care of null bug (%s)", keyName)
+			common.Log.Trace("New key \"%s\" = null", newKey)
+			sp.skipSpaces()
+			bb, _ := sp.reader.Peek(1)
+			if bb[0] == '/' {
+				dict.Set(newKey, core.MakeNull())
+				continue
+			}
+		}
+
+		sp.skipSpaces()
+
+		val, err, _ := sp.parseObject()
+		if err != nil {
+			return nil, err
+		}
+		dict.Set(keyName, val)
+
+		common.Log.Trace("dict[%s] = %s", keyName, val.String())
+	}
+
+	return dict, nil
+}
+
+// An operand is a text command represented by a word.
+func (sp *ContentStreamParser) parseOperand() (core.PdfObjectString, error) {
+	bytes := []byte{}
+	for {
+		bb, err := sp.reader.Peek(1)
+		if err != nil {
+			return core.PdfObjectString(bytes), err
+		}
+		if core.IsDelimiter(bb[0]) {
+			break
+		}
+		if core.IsWhiteSpace(bb[0]) {
+			break
+		}
+
+		b, _ := sp.reader.ReadByte()
+		bytes = append(bytes, b)
+	}
+
+	return core.PdfObjectString(bytes), nil
+}
+
+// Parse a generic object.  Returns the object, an error code, and a bool
+// value indicating whether the object is an operand.  An operand
+// is contained in a pdf string object.
+func (sp *ContentStreamParser) parseObject() (core.PdfObject, error, bool) {
+	// Determine the kind of object.
+	// parse it!
+	// make a list of operands, then once operand arrives put into a package.
+
+	sp.skipSpaces()
+	for {
+		bb, err := sp.reader.Peek(2)
+		if err != nil {
+			return nil, err, false
+		}
+
+		common.Log.Trace("Peek string: %s", string(bb))
+		// Determine type.
+		if bb[0] == '%' {
+			sp.skipComments()
+			continue
+		} else if bb[0] == '/' {
+			name, err := sp.parseName()
+			common.Log.Trace("->Name: '%s'", name)
+			return &name, err, false
+		} else if bb[0] == '(' {
+			common.Log.Trace("->String!")
+			str, err := sp.parseString()
+			common.Log.Trace("(%s)\n", str.String())
+			return &str, err, false
+		} else if bb[0] == '<' && bb[1] != '<' {
+			common.Log.Trace("->Hex String!")
+			str, err := sp.parseHexString()
+			return &str, err, false
+		} else if bb[0] == '[' {
+			common.Log.Trace("->Array!")
+			arr, err := sp.parseArray()
+			return &arr, err, false
+		} else if core.IsFloatDigit(bb[0]) || (bb[0] == '-' && core.IsFloatDigit(bb[1])) {
+			common.Log.Trace("->Number!")
+			number, err := sp.parseNumber()
+			return number, err, false
+		} else if bb[0] == '<' && bb[1] == '<' {
+			dict, err := sp.parseDict()
+			return dict, err, false
+		} else {
+			// Otherwise, can be: keyword such as "null", "false", "true" or an operand...
+			common.Log.Trace("->Operand or bool?")
+			// Let's peek farther to find out.
+			bb, _ = sp.reader.Peek(5)
+			peekStr := string(bb)
+			common.Log.Trace("cont Peek str: %s", peekStr)
+
+			if (len(peekStr) > 3) && (peekStr[:4] == "null") {
+				null, err := sp.parseNull()
+				return &null, err, false
+			} else if (len(peekStr) > 4) && (peekStr[:5] == "false") {
+				b, err := sp.parseBool()
+				return &b, err, false
+			} else if (len(peekStr) > 3) && (peekStr[:4] == "true") {
+				b, err := sp.parseBool()
+				return &b, err, false
+			}
+
+			operand, err := sp.parseOperand()
+			if err != nil {
+				return &operand, err, false
+			}
+			if len(operand.String()) < 1 {
+				return &operand, ErrInvalidOperand, false
+			}
+			return &operand, nil, true
+		}
+	}
+}

internal/pdf/contentstream/processor.go

@@ -0,0 +1,541 @@
+package contentstream
+
+import (
+	"errors"
+
+	"gitea.tecamino.com/paadi/pdfmerge/internal/pdf/common"
+	"gitea.tecamino.com/paadi/pdfmerge/internal/pdf/core"
+	"gitea.tecamino.com/paadi/pdfmerge/internal/pdf/model"
+)
+
+// Basic graphics state implementation.
+// Initially only implementing and tracking a portion of the information specified.  Easy to add more.
+type GraphicsState struct {
+	ColorspaceStroking    model.PdfColorspace
+	ColorspaceNonStroking model.PdfColorspace
+	ColorStroking         model.PdfColor
+	ColorNonStroking      model.PdfColor
+}
+
+type GraphicStateStack []GraphicsState
+
+func (gsStack *GraphicStateStack) Push(gs GraphicsState) {
+	*gsStack = append(*gsStack, gs)
+}
+
+func (gsStack *GraphicStateStack) Pop() GraphicsState {
+	gs := (*gsStack)[len(*gsStack)-1]
+	*gsStack = (*gsStack)[:len(*gsStack)-1]
+	return gs
+}
+
+// ContentStreamProcessor defines a data structure and methods for processing a content stream, keeping track of the
+// current graphics state, and allowing external handlers to define their own functions as a part of the processing,
+// for example rendering or extracting certain information.
+type ContentStreamProcessor struct {
+	graphicsStack GraphicStateStack
+	operations    []*ContentStreamOperation
+	graphicsState GraphicsState
+
+	handlers     []HandlerEntry
+	currentIndex int
+}
+
+type HandlerFunc func(op *ContentStreamOperation, gs GraphicsState, resources *model.PdfPageResources) error
+
+type HandlerEntry struct {
+	Condition HandlerConditionEnum
+	Operand   string
+	Handler   HandlerFunc
+}
+
+type HandlerConditionEnum int
+
+func (ce HandlerConditionEnum) All() bool {
+	return ce == HandlerConditionEnumAllOperands
+}
+
+func (ce HandlerConditionEnum) Operand() bool {
+	return ce == HandlerConditionEnumOperand
+}
+
+const (
+	HandlerConditionEnumOperand     HandlerConditionEnum = iota
+	HandlerConditionEnumAllOperands HandlerConditionEnum = iota
+)
+
+func NewContentStreamProcessor(ops []*ContentStreamOperation) *ContentStreamProcessor {
+	csp := ContentStreamProcessor{}
+	csp.graphicsStack = GraphicStateStack{}
+
+	// Set defaults..
+	gs := GraphicsState{}
+
+	csp.graphicsState = gs
+
+	csp.handlers = []HandlerEntry{}
+	csp.currentIndex = 0
+	csp.operations = ops
+
+	return &csp
+}
+
+func (csp *ContentStreamProcessor) AddHandler(condition HandlerConditionEnum, operand string, handler HandlerFunc) {
+	entry := HandlerEntry{}
+	entry.Condition = condition
+	entry.Operand = operand
+	entry.Handler = handler
+	csp.handlers = append(csp.handlers, entry)
+}
+
+func (csp *ContentStreamProcessor) getColorspace(name string, resources *model.PdfPageResources) (model.PdfColorspace, error) {
+	switch name {
+	case "DeviceGray":
+		return model.NewPdfColorspaceDeviceGray(), nil
+	case "DeviceRGB":
+		return model.NewPdfColorspaceDeviceRGB(), nil
+	case "DeviceCMYK":
+		return model.NewPdfColorspaceDeviceCMYK(), nil
+	case "Pattern":
+		return model.NewPdfColorspaceSpecialPattern(), nil
+	}
+
+	// Next check the colorspace dictionary.
+	cs, has := resources.ColorSpace.Colorspaces[name]
+	if has {
+		return cs, nil
+	}
+
+	// Lastly check other potential colormaps.
+	switch name {
+	case "CalGray":
+		return model.NewPdfColorspaceCalGray(), nil
+	case "CalRGB":
+		return model.NewPdfColorspaceCalRGB(), nil
+	case "Lab":
+		return model.NewPdfColorspaceLab(), nil
+	}
+
+	// Otherwise unsupported.
+	common.Log.Debug("Unknown colorspace requested: %s", name)
+	return nil, errors.New("unsupported colorspace")
+}
+
+// Get initial color for a given colorspace.
+func (csp *ContentStreamProcessor) getInitialColor(cs model.PdfColorspace) (model.PdfColor, error) {
+	switch cs := cs.(type) {
+	case *model.PdfColorspaceDeviceGray:
+		return model.NewPdfColorDeviceGray(0.0), nil
+	case *model.PdfColorspaceDeviceRGB:
+		return model.NewPdfColorDeviceRGB(0.0, 0.0, 0.0), nil
+	case *model.PdfColorspaceDeviceCMYK:
+		return model.NewPdfColorDeviceCMYK(0.0, 0.0, 0.0, 1.0), nil
+	case *model.PdfColorspaceCalGray:
+		return model.NewPdfColorCalGray(0.0), nil
+	case *model.PdfColorspaceCalRGB:
+		return model.NewPdfColorCalRGB(0.0, 0.0, 0.0), nil
+	case *model.PdfColorspaceLab:
+		l := 0.0
+		a := 0.0
+		b := 0.0
+		if cs.Range[0] > 0 {
+			l = cs.Range[0]
+		}
+		if cs.Range[2] > 0 {
+			a = cs.Range[2]
+		}
+		return model.NewPdfColorLab(l, a, b), nil
+	case *model.PdfColorspaceICCBased:
+		if cs.Alternate == nil {
+			// Alternate not defined.
+			// Try to fall back to DeviceGray, DeviceRGB or DeviceCMYK.
+			common.Log.Trace("ICC Based not defined - attempting fall back (N = %d)", cs.N)
+			switch cs.N {
+			case 1:
+				common.Log.Trace("Falling back to DeviceGray")
+				return csp.getInitialColor(model.NewPdfColorspaceDeviceGray())
+			case 3:
+				common.Log.Trace("Falling back to DeviceRGB")
+				return csp.getInitialColor(model.NewPdfColorspaceDeviceRGB())
+			case 4:
+				common.Log.Trace("Falling back to DeviceCMYK")
+				return csp.getInitialColor(model.NewPdfColorspaceDeviceCMYK())
+			default:
+				return nil, errors.New("alternate space not defined for ICC")
+			}
+		}
+		return csp.getInitialColor(cs.Alternate)
+	case *model.PdfColorspaceSpecialIndexed:
+		if cs.Base == nil {
+			return nil, errors.New("indexed base not specified")
+		}
+		return csp.getInitialColor(cs.Base)
+	case *model.PdfColorspaceSpecialSeparation:
+		if cs.AlternateSpace == nil {
+			return nil, errors.New("alternate space not specified")
+		}
+		return csp.getInitialColor(cs.AlternateSpace)
+	case *model.PdfColorspaceDeviceN:
+		if cs.AlternateSpace == nil {
+			return nil, errors.New("alternate space not specified")
+		}
+		return csp.getInitialColor(cs.AlternateSpace)
+	case *model.PdfColorspaceSpecialPattern:
+		// FIXME/check: A pattern does not have an initial color...
+		return nil, nil
+	}
+
+	common.Log.Debug("Unable to determine initial color for unknown colorspace: %T", cs)
+	return nil, errors.New("unsupported colorspace")
+}
+
+// Process the entire operations.
+func (ce *ContentStreamProcessor) Process(resources *model.PdfPageResources) error {
+	// Initialize graphics state
+	ce.graphicsState.ColorspaceStroking = model.NewPdfColorspaceDeviceGray()
+	ce.graphicsState.ColorspaceNonStroking = model.NewPdfColorspaceDeviceGray()
+	ce.graphicsState.ColorStroking = model.NewPdfColorDeviceGray(0)
+	ce.graphicsState.ColorNonStroking = model.NewPdfColorDeviceGray(0)
+
+	for _, op := range ce.operations {
+		var err error
+
+		// Internal handling.
+		switch op.Operand {
+		case "q":
+			ce.graphicsStack.Push(ce.graphicsState)
+		case "Q":
+			ce.graphicsState = ce.graphicsStack.Pop()
+
+		// Color operations (Table 74 p. 179)
+		case "CS":
+			err = ce.handleCommand_CS(op, resources)
+		case "cs":
+			err = ce.handleCommand_cs(op, resources)
+		case "SC":
+			err = ce.handleCommand_SC(op)
+		case "SCN":
+			err = ce.handleCommand_SCN(op)
+		case "sc":
+			err = ce.handleCommand_sc(op)
+		case "scn":
+			err = ce.handleCommand_scn(op)
+		case "G":
+			err = ce.handleCommand_G(op)
+		case "g":
+			err = ce.handleCommand_g(op)
+		case "RG":
+			err = ce.handleCommand_RG(op)
+		case "rg":
+			err = ce.handleCommand_rg(op)
+		case "K":
+			err = ce.handleCommand_K(op)
+		case "k":
+			err = ce.handleCommand_k(op)
+		}
+		if err != nil {
+			common.Log.Debug("Processor handling error (%s): %v", op.Operand, err)
+			common.Log.Debug("Operand: %#v", op.Operand)
+			return err
+		}
+
+		// Check if have external handler also, and process if so.
+		for _, entry := range ce.handlers {
+			var err error
+			if entry.Condition.All() {
+				err = entry.Handler(op, ce.graphicsState, resources)
+			} else if entry.Condition.Operand() && op.Operand == entry.Operand {
+				err = entry.Handler(op, ce.graphicsState, resources)
+			}
+			if err != nil {
+				common.Log.Debug("Processor handler error: %v", err)
+				return err
+			}
+		}
+	}
+
+	return nil
+}
+
+// CS: Set the current color space for stroking operations.
+func (csp *ContentStreamProcessor) handleCommand_CS(op *ContentStreamOperation, resources *model.PdfPageResources) error {
+	if len(op.Params) < 1 {
+		common.Log.Debug("invalid cs command, skipping over")
+		return errors.New("too few parameters")
+	}
+	if len(op.Params) > 1 {
+		common.Log.Debug("cs command with too many parameters - continuing")
+		return errors.New("too many parameters")
+	}
+	name, ok := op.Params[0].(*core.PdfObjectName)
+	if !ok {
+		common.Log.Debug("error: cs command with invalid parameter, skipping over")
+		return errors.New("type check error")
+	}
+	// Set the current color space to use for stroking operations.
+	// Either device based or referring to resource dict.
+	cs, err := csp.getColorspace(string(*name), resources)
+	if err != nil {
+		return err
+	}
+	csp.graphicsState.ColorspaceStroking = cs
+
+	// Set initial color.
+	color, err := csp.getInitialColor(cs)
+	if err != nil {
+		return err
+	}
+	csp.graphicsState.ColorStroking = color
+
+	return nil
+}
+
+// cs: Set the current color space for non-stroking operations.
+func (csp *ContentStreamProcessor) handleCommand_cs(op *ContentStreamOperation, resources *model.PdfPageResources) error {
+	if len(op.Params) < 1 {
+		common.Log.Debug("invalid CS command, skipping over")
+		return errors.New("too few parameters")
+	}
+	if len(op.Params) > 1 {
+		common.Log.Debug("CS command with too many parameters - continuing")
+		return errors.New("too many parameters")
+	}
+	name, ok := op.Params[0].(*core.PdfObjectName)
+	if !ok {
+		common.Log.Debug("error: CS command with invalid parameter, skipping over")
+		return errors.New("type check error")
+	}
+	// Set the current color space to use for non-stroking operations.
+	// Either device based or referring to resource dict.
+	cs, err := csp.getColorspace(string(*name), resources)
+	if err != nil {
+		return err
+	}
+	csp.graphicsState.ColorspaceNonStroking = cs
+
+	// Set initial color.
+	color, err := csp.getInitialColor(cs)
+	if err != nil {
+		return err
+	}
+	csp.graphicsState.ColorNonStroking = color
+
+	return nil
+}
+
+// SC: Set the color to use for stroking operations in a device, CIE-based or Indexed colorspace. (not ICC based)
+func (sp *ContentStreamProcessor) handleCommand_SC(op *ContentStreamOperation) error {
+	// For DeviceGray, CalGray, Indexed: one operand is required
+	// For DeviceRGB, CalRGB, Lab: 3 operands required
+
+	cs := sp.graphicsState.ColorspaceStroking
+	if len(op.Params) != cs.GetNumComponents() {
+		common.Log.Debug("invalid number of parameters for SC")
+		common.Log.Debug("Number %d not matching colorspace %T", len(op.Params), cs)
+		return errors.New("invalid number of parameters")
+	}
+
+	color, err := cs.ColorFromPdfObjects(op.Params)
+	if err != nil {
+		return err
+	}
+
+	sp.graphicsState.ColorStroking = color
+	return nil
+}
+
+func isPatternCS(cs model.PdfColorspace) bool {
+	_, isPattern := cs.(*model.PdfColorspaceSpecialPattern)
+	return isPattern
+}
+
+// SCN: Same as SC but also supports Pattern, Separation, DeviceN and ICCBased color spaces.
+func (sp *ContentStreamProcessor) handleCommand_SCN(op *ContentStreamOperation) error {
+	cs := sp.graphicsState.ColorspaceStroking
+
+	if !isPatternCS(cs) {
+		if len(op.Params) != cs.GetNumComponents() {
+			common.Log.Debug("invalid number of parameters for SC")
+			common.Log.Debug("Number %d not matching colorspace %T", len(op.Params), cs)
+			return errors.New("invalid number of parameters")
+		}
+	}
+
+	color, err := cs.ColorFromPdfObjects(op.Params)
+	if err != nil {
+		return err
+	}
+
+	sp.graphicsState.ColorStroking = color
+
+	return nil
+}
+
+// sc: Same as SC except used for non-stroking operations.
+func (sp *ContentStreamProcessor) handleCommand_sc(op *ContentStreamOperation) error {
+	cs := sp.graphicsState.ColorspaceNonStroking
+
+	if !isPatternCS(cs) {
+		if len(op.Params) != cs.GetNumComponents() {
+			common.Log.Debug("invalid number of parameters for SC")
+			common.Log.Debug("Number %d not matching colorspace %T", len(op.Params), cs)
+			return errors.New("invalid number of parameters")
+		}
+	}
+
+	color, err := cs.ColorFromPdfObjects(op.Params)
+	if err != nil {
+		return err
+	}
+
+	sp.graphicsState.ColorNonStroking = color
+
+	return nil
+}
+
+// scn: Same as SCN except used for non-stroking operations.
+func (sp *ContentStreamProcessor) handleCommand_scn(op *ContentStreamOperation) error {
+	cs := sp.graphicsState.ColorspaceNonStroking
+
+	if !isPatternCS(cs) {
+		if len(op.Params) != cs.GetNumComponents() {
+			common.Log.Debug("invalid number of parameters for SC")
+			common.Log.Debug("Number %d not matching colorspace %T", len(op.Params), cs)
+			return errors.New("invalid number of parameters")
+		}
+	}
+
+	color, err := cs.ColorFromPdfObjects(op.Params)
+	if err != nil {
+		common.Log.Debug("error: Fail to get color from params: %+v (CS is %+v)", op.Params, cs)
+		return err
+	}
+
+	sp.graphicsState.ColorNonStroking = color
+
+	return nil
+}
+
+// G: Set the stroking colorspace to DeviceGray, and the color to the specified graylevel (range [0-1]).
+// gray G
+func (sp *ContentStreamProcessor) handleCommand_G(op *ContentStreamOperation) error {
+	cs := model.NewPdfColorspaceDeviceGray()
+	if len(op.Params) != cs.GetNumComponents() {
+		common.Log.Debug("invalid number of parameters for SC")
+		common.Log.Debug("Number %d not matching colorspace %T", len(op.Params), cs)
+		return errors.New("invalid number of parameters")
+	}
+
+	color, err := cs.ColorFromPdfObjects(op.Params)
+	if err != nil {
+		return err
+	}
+
+	sp.graphicsState.ColorspaceStroking = cs
+	sp.graphicsState.ColorStroking = color
+
+	return nil
+}
+
+// g: Same as G, but for non-stroking colorspace and color (range [0-1]).
+// gray g
+func (sp *ContentStreamProcessor) handleCommand_g(op *ContentStreamOperation) error {
+	cs := model.NewPdfColorspaceDeviceGray()
+	if len(op.Params) != cs.GetNumComponents() {
+		common.Log.Debug("invalid number of parameters for SC")
+		common.Log.Debug("Number %d not matching colorspace %T", len(op.Params), cs)
+		return errors.New("invalid number of parameters")
+	}
+
+	color, err := cs.ColorFromPdfObjects(op.Params)
+	if err != nil {
+		return err
+	}
+
+	sp.graphicsState.ColorspaceNonStroking = cs
+	sp.graphicsState.ColorNonStroking = color
+
+	return nil
+}
+
+// RG: Sets the stroking colorspace to DeviceRGB and the stroking color to r,g,b. [0-1] ranges.
+// r g b RG
+func (sp *ContentStreamProcessor) handleCommand_RG(op *ContentStreamOperation) error {
+	cs := model.NewPdfColorspaceDeviceRGB()
+	if len(op.Params) != cs.GetNumComponents() {
+		common.Log.Debug("invalid number of parameters for SC")
+		common.Log.Debug("Number %d not matching colorspace %T", len(op.Params), cs)
+		return errors.New("invalid number of parameters")
+	}
+
+	color, err := cs.ColorFromPdfObjects(op.Params)
+	if err != nil {
+		return err
+	}
+
+	sp.graphicsState.ColorspaceStroking = cs
+	sp.graphicsState.ColorStroking = color
+
+	return nil
+}
+
+// rg: Same as RG but for non-stroking colorspace, color.
+func (sp *ContentStreamProcessor) handleCommand_rg(op *ContentStreamOperation) error {
+	cs := model.NewPdfColorspaceDeviceRGB()
+	if len(op.Params) != cs.GetNumComponents() {
+		common.Log.Debug("invalid number of parameters for SC")
+		common.Log.Debug("Number %d not matching colorspace %T", len(op.Params), cs)
+		return errors.New("invalid number of parameters")
+	}
+
+	color, err := cs.ColorFromPdfObjects(op.Params)
+	if err != nil {
+		return err
+	}
+
+	sp.graphicsState.ColorspaceNonStroking = cs
+	sp.graphicsState.ColorNonStroking = color
+
+	return nil
+}
+
+// K: Sets the stroking colorspace to DeviceCMYK and the stroking color to c,m,y,k. [0-1] ranges.
+// c m y k K
+func (sp *ContentStreamProcessor) handleCommand_K(op *ContentStreamOperation) error {
+	cs := model.NewPdfColorspaceDeviceCMYK()
+	if len(op.Params) != cs.GetNumComponents() {
+		common.Log.Debug("invalid number of parameters for SC")
+		common.Log.Debug("Number %d not matching colorspace %T", len(op.Params), cs)
+		return errors.New("invalid number of parameters")
+	}
+
+	color, err := cs.ColorFromPdfObjects(op.Params)
+	if err != nil {
+		return err
+	}
+
+	sp.graphicsState.ColorspaceStroking = cs
+	sp.graphicsState.ColorStroking = color
+
+	return nil
+}
+
+// k: Same as K but for non-stroking colorspace, color.
+func (sp *ContentStreamProcessor) handleCommand_k(op *ContentStreamOperation) error {
+	cs := model.NewPdfColorspaceDeviceCMYK()
+	if len(op.Params) != cs.GetNumComponents() {
+		common.Log.Debug("invalid number of parameters for SC")
+		common.Log.Debug("Number %d not matching colorspace %T", len(op.Params), cs)
+		return errors.New("invalid number of parameters")
+	}
+
+	color, err := cs.ColorFromPdfObjects(op.Params)
+	if err != nil {
+		return err
+	}
+
+	sp.graphicsState.ColorspaceNonStroking = cs
+	sp.graphicsState.ColorNonStroking = color
+
+	return nil
+}

internal/pdf/contentstream/utils.go

@@ -0,0 +1,90 @@
+package contentstream
+
+import (
+	"errors"
+
+	"gitea.tecamino.com/paadi/pdfmerge/internal/pdf/common"
+	"gitea.tecamino.com/paadi/pdfmerge/internal/pdf/core"
+	"gitea.tecamino.com/paadi/pdfmerge/internal/pdf/model"
+)
+
+func makeParamsFromFloats(vals []float64) []core.PdfObject {
+	params := []core.PdfObject{}
+	for _, val := range vals {
+		params = append(params, core.MakeFloat(val))
+	}
+	return params
+}
+
+func makeParamsFromNames(vals []core.PdfObjectName) []core.PdfObject {
+	params := []core.PdfObject{}
+	for _, val := range vals {
+		params = append(params, core.MakeName(string(val)))
+	}
+	return params
+}
+
+func makeParamsFromStrings(vals []core.PdfObjectString) []core.PdfObject {
+	params := []core.PdfObject{}
+	for _, val := range vals {
+		params = append(params, core.MakeString(string(val)))
+	}
+	return params
+}
+
+func makeParamsFromInts(vals []int64) []core.PdfObject {
+	params := []core.PdfObject{}
+	for _, val := range vals {
+		params = append(params, core.MakeInteger(val))
+	}
+	return params
+}
+
+func newIndexedColorspaceFromPdfObject(obj core.PdfObject) (model.PdfColorspace, error) {
+	arr, ok := obj.(*core.PdfObjectArray)
+	if !ok {
+		common.Log.Debug("error: Invalid indexed cs not in array (%#v)", obj)
+		return nil, errors.New("type check error")
+	}
+
+	if len(*arr) != 4 {
+		common.Log.Debug("error: Invalid cs array, length != 4 (%d)", len(*arr))
+		return nil, errors.New("range check error")
+	}
+
+	// Format is [/I base 255 bytes], where base = /G,/RGB,/CMYK
+	name, ok := (*arr)[0].(*core.PdfObjectName)
+	if !ok {
+		common.Log.Debug("error: Invalid cs array first element not a name (array: %#v)", *arr)
+		return nil, errors.New("type check error")
+	}
+	if *name != "I" && *name != "Indexed" {
+		common.Log.Debug("error: Invalid cs array first element != I (got: %v)", *name)
+		return nil, errors.New("range check error")
+	}
+
+	// Check base
+	name, ok = (*arr)[1].(*core.PdfObjectName)
+	if !ok {
+		common.Log.Debug("error: Invalid cs array 2nd element not a name (array: %#v)", *arr)
+		return nil, errors.New("type check error")
+	}
+	if *name != "G" && *name != "RGB" && *name != "CMYK" && *name != "DeviceGray" && *name != "DeviceRGB" && *name != "DeviceCMYK" {
+		common.Log.Debug("error: Invalid cs array 2nd element != G/RGB/CMYK (got: %v)", *name)
+		return nil, errors.New("range check error")
+	}
+	basename := ""
+	switch *name {
+	case "G", "DeviceGray":
+		basename = "DeviceGray"
+	case "RGB", "DeviceRGB":
+		basename = "DeviceRGB"
+	case "CMYK", "DeviceCMYK":
+		basename = "DeviceCMYK"
+	}
+
+	// Prepare to a format that can be loaded by model's newPdfColorspaceFromPdfObject.
+	csArr := core.MakeArray(core.MakeName("Indexed"), core.MakeName(basename), (*arr)[2], (*arr)[3])
+
+	return model.NewPdfColorspaceFromPdfObject(csArr)
+}

internal/pdf/core/const.go

@@ -0,0 +1,13 @@
+package core
+
+import "errors"
+
+var (
+	// ErrUnsupportedEncodingParameters error indicates that encoding/decoding was attempted with unsupported
+	// encoding parameters.
+	// For example when trying to encode with an unsupported Predictor (flate).
+	ErrUnsupportedEncodingParameters = errors.New("unsupported encoding parameters")
+	ErrNoCCITTFaxDecode              = errors.New(" CCITTFaxDecode encoding is not yet implemented")
+	ErrNoJBIG2Decode                 = errors.New(" JBIG2Decode encoding is not yet implemented")
+	ErrNoJPXDecode                   = errors.New(" JPXDecode encoding is not yet implemented")
+)

internal/pdf/core/crossrefs.go

@@ -0,0 +1,372 @@
+package core
+
+import (
+	"bufio"
+	"bytes"
+	"errors"
+	"os"
+	"strings"
+
+	"gitea.tecamino.com/paadi/pdfmerge/internal/pdf/common"
+)
+
+// TODO (v3): Create a new type xrefType which can be an integer and can be used for improved type checking.
+// TODO (v3): Unexport these constants and rename with camelCase.
+const (
+	// XREF_TABLE_ENTRY indicates a normal xref table entry.
+	XREF_TABLE_ENTRY = iota
+
+	// XREF_OBJECT_STREAM indicates an xref entry in an xref object stream.
+	XREF_OBJECT_STREAM = iota
+)
+
+// XrefObject defines a cross reference entry which is a map between object number (with generation number) and the
+// location of the actual object, either as a file offset (xref table entry), or as a location within an xref
+// stream object (xref object stream).
+// TODO (v3): Unexport.
+type XrefObject struct {
+	xtype        int
+	objectNumber int
+	generation   int
+	// For normal xrefs (defined by OFFSET)
+	offset int64
+	// For xrefs to object streams.
+	osObjNumber int
+	osObjIndex  int
+}
+
+// XrefTable is a map between object number and corresponding XrefObject.
+// TODO (v3): Unexport.
+// TODO: Consider changing to a slice, so can maintain the object order without sorting when analyzing.
+type XrefTable map[int]XrefObject
+
+// ObjectStream represents an object stream's information which can contain multiple indirect objects.
+// The information specifies the number of objects and has information about offset locations for
+// each object.
+// TODO (v3): Unexport.
+type ObjectStream struct {
+	N       int // TODO (v3): Unexport.
+	ds      []byte
+	offsets map[int]int64
+}
+
+// ObjectStreams defines a map between object numbers (object streams only) and underlying ObjectStream information.
+type ObjectStreams map[int]ObjectStream
+
+// ObjectCache defines a map between object numbers and corresponding PdfObject. Serves as a cache for PdfObjects that
+// have already been parsed.
+// TODO (v3): Unexport.
+type ObjectCache map[int]PdfObject
+
+// Get an object from an object stream.
+func (parser *PdfParser) lookupObjectViaOS(sobjNumber int, objNum int) (PdfObject, error) {
+	var bufReader *bytes.Reader
+	var objstm ObjectStream
+	var cached bool
+
+	objstm, cached = parser.objstms[sobjNumber]
+	if !cached {
+		soi, err := parser.LookupByNumber(sobjNumber)
+		if err != nil {
+			common.Log.Debug("Missing object stream with number %d", sobjNumber)
+			return nil, err
+		}
+
+		so, ok := soi.(*PdfObjectStream)
+		if !ok {
+			return nil, errors.New("invalid object stream")
+		}
+
+		if parser.crypter != nil && !parser.crypter.isDecrypted(so) {
+			return nil, errors.New("need to decrypt the stream")
+		}
+
+		sod := so.PdfObjectDictionary
+		common.Log.Trace("so d: %s\n", *sod)
+		name, ok := sod.Get("Type").(*PdfObjectName)
+		if !ok {
+			common.Log.Debug("error: Object stream should always have a Type")
+			return nil, errors.New("object stream missing Type")
+		}
+		if strings.ToLower(string(*name)) != "objstm" {
+			common.Log.Debug("error: Object stream type shall always be ObjStm !")
+			return nil, errors.New("object stream type != ObjStm")
+		}
+
+		N, ok := sod.Get("N").(*PdfObjectInteger)
+		if !ok {
+			return nil, errors.New("invalid N in stream dictionary")
+		}
+		firstOffset, ok := sod.Get("First").(*PdfObjectInteger)
+		if !ok {
+			return nil, errors.New("invalid First in stream dictionary")
+		}
+
+		common.Log.Trace("type: %s number of objects: %d", name, *N)
+		ds, err := DecodeStream(so)
+		if err != nil {
+			return nil, err
+		}
+
+		common.Log.Trace("Decoded: %s", ds)
+
+		// Temporarily change the reader object to this decoded buffer.
+		// Change back afterwards.
+		bakOffset := parser.GetFileOffset()
+		defer func() { parser.SetFileOffset(bakOffset) }()
+
+		bufReader = bytes.NewReader(ds)
+		parser.reader = bufio.NewReader(bufReader)
+
+		common.Log.Trace("Parsing offset map")
+		// Load the offset map (relative to the beginning of the stream...)
+		offsets := map[int]int64{}
+		// Object list and offsets.
+		for i := 0; i < int(*N); i++ {
+			parser.skipSpaces()
+			// Object number.
+			obj, err := parser.parseNumber()
+			if err != nil {
+				return nil, err
+			}
+			onum, ok := obj.(*PdfObjectInteger)
+			if !ok {
+				return nil, errors.New("invalid object stream offset table")
+			}
+
+			parser.skipSpaces()
+			// Offset.
+			obj, err = parser.parseNumber()
+			if err != nil {
+				return nil, err
+			}
+			offset, ok := obj.(*PdfObjectInteger)
+			if !ok {
+				return nil, errors.New("invalid object stream offset table")
+			}
+
+			common.Log.Trace("obj %d offset %d", *onum, *offset)
+			offsets[int(*onum)] = int64(*firstOffset + *offset)
+		}
+
+		objstm = ObjectStream{N: int(*N), ds: ds, offsets: offsets}
+		parser.objstms[sobjNumber] = objstm
+	} else {
+		// Temporarily change the reader object to this decoded buffer.
+		// Point back afterwards.
+		bakOffset := parser.GetFileOffset()
+		defer func() { parser.SetFileOffset(bakOffset) }()
+
+		bufReader = bytes.NewReader(objstm.ds)
+		// Temporarily change the reader object to this decoded buffer.
+		parser.reader = bufio.NewReader(bufReader)
+	}
+
+	offset := objstm.offsets[objNum]
+	common.Log.Trace("ACTUAL offset[%d] = %d", objNum, offset)
+
+	bufReader.Seek(offset, os.SEEK_SET)
+	parser.reader = bufio.NewReader(bufReader)
+
+	bb, _ := parser.reader.Peek(100)
+	common.Log.Trace("OBJ peek \"%s\"", string(bb))
+
+	val, err := parser.parseObject()
+	if err != nil {
+		common.Log.Debug("error Fail to read object (%s)", err)
+		return nil, err
+	}
+	if val == nil {
+		return nil, errors.New("object cannot be null")
+	}
+
+	// Make an indirect object around it.
+	io := PdfIndirectObject{}
+	io.ObjectNumber = int64(objNum)
+	io.PdfObject = val
+
+	return &io, nil
+}
+
+// LookupByNumber looks up a PdfObject by object number.  Returns an error on failure.
+// TODO (v3): Unexport.
+func (parser *PdfParser) LookupByNumber(objNumber int) (PdfObject, error) {
+	// Outside interface for lookupByNumberWrapper.  Default attempts repairs of bad xref tables.
+	obj, _, err := parser.lookupByNumberWrapper(objNumber, true)
+	return obj, err
+}
+
+// Wrapper for lookupByNumber, checks if object encrypted etc.
+func (parser *PdfParser) lookupByNumberWrapper(objNumber int, attemptRepairs bool) (PdfObject, bool, error) {
+	obj, inObjStream, err := parser.lookupByNumber(objNumber, attemptRepairs)
+	if err != nil {
+		return nil, inObjStream, err
+	}
+
+	// If encrypted, decrypt it prior to returning.
+	// Do not attempt to decrypt objects within object streams.
+	if !inObjStream && parser.crypter != nil && !parser.crypter.isDecrypted(obj) {
+		err := parser.crypter.Decrypt(obj, 0, 0)
+		if err != nil {
+			return nil, inObjStream, err
+		}
+	}
+
+	return obj, inObjStream, nil
+}
+
+func getObjectNumber(obj PdfObject) (int64, int64, error) {
+	if io, isIndirect := obj.(*PdfIndirectObject); isIndirect {
+		return io.ObjectNumber, io.GenerationNumber, nil
+	}
+	if so, isStream := obj.(*PdfObjectStream); isStream {
+		return so.ObjectNumber, so.GenerationNumber, nil
+	}
+	return 0, 0, errors.New("not an indirect/stream object")
+}
+
+// LookupByNumber
+// Repair signals whether to repair if broken.
+func (parser *PdfParser) lookupByNumber(objNumber int, attemptRepairs bool) (PdfObject, bool, error) {
+	obj, ok := parser.ObjCache[objNumber]
+	if ok {
+		common.Log.Trace("Returning cached object %d", objNumber)
+		return obj, false, nil
+	}
+
+	xref, ok := parser.xrefs[objNumber]
+	if !ok {
+		// An indirect reference to an undefined object shall not be
+		// considered an error by a conforming reader; it shall be
+		// treated as a reference to the null object.
+		common.Log.Trace("Unable to locate object in xrefs! - Returning null object")
+		var nullObj PdfObjectNull
+		return &nullObj, false, nil
+	}
+
+	common.Log.Trace("Lookup obj number %d", objNumber)
+	switch xref.xtype {
+	case XREF_TABLE_ENTRY:
+		common.Log.Trace("xrefobj obj num %d", xref.objectNumber)
+		common.Log.Trace("xrefobj gen %d", xref.generation)
+		common.Log.Trace("xrefobj offset %d", xref.offset)
+
+		parser.rs.Seek(xref.offset, os.SEEK_SET)
+		parser.reader = bufio.NewReader(parser.rs)
+
+		obj, err := parser.ParseIndirectObject()
+		if err != nil {
+			common.Log.Debug("error Failed reading xref (%s)", err)
+			// Offset pointing to a non-object.  Try to repair the file.
+			if attemptRepairs {
+				common.Log.Debug("Attempting to repair xrefs (top down)")
+				xrefTable, err := parser.repairRebuildXrefsTopDown()
+				if err != nil {
+					common.Log.Debug("error Failed repair (%s)", err)
+					return nil, false, err
+				}
+				parser.xrefs = *xrefTable
+				return parser.lookupByNumber(objNumber, false)
+			}
+			return nil, false, err
+		}
+
+		if attemptRepairs {
+			// Check the object number..
+			// If it does not match, then try to rebuild, i.e. loop through
+			// all the items in the xref and look each one up and correct.
+			realObjNum, _, _ := getObjectNumber(obj)
+			if int(realObjNum) != objNumber {
+				common.Log.Debug("invalid xrefs: Rebuilding")
+				err := parser.rebuildXrefTable()
+				if err != nil {
+					return nil, false, err
+				}
+				// Empty the cache.
+				parser.ObjCache = ObjectCache{}
+				// Try looking up again and return.
+				return parser.lookupByNumberWrapper(objNumber, false)
+			}
+		}
+
+		common.Log.Trace("Returning obj")
+		parser.ObjCache[objNumber] = obj
+		return obj, false, nil
+	case XREF_OBJECT_STREAM:
+		common.Log.Trace("xref from object stream!")
+		common.Log.Trace(">Load via OS!")
+		common.Log.Trace("Object stream available in object %d/%d", xref.osObjNumber, xref.osObjIndex)
+
+		if xref.osObjNumber == objNumber {
+			common.Log.Debug("error Circular reference!?!")
+			return nil, true, errors.New(" Xref circular reference")
+		}
+		_, exists := parser.xrefs[xref.osObjNumber]
+		if exists {
+			optr, err := parser.lookupObjectViaOS(xref.osObjNumber, objNumber) //xref.osObjIndex)
+			if err != nil {
+				common.Log.Debug("error Returning ERR (%s)", err)
+				return nil, true, err
+			}
+			common.Log.Trace("<Loaded via OS")
+			parser.ObjCache[objNumber] = optr
+			if parser.crypter != nil {
+				// Mark as decrypted (inside object stream) for caching.
+				// and avoid decrypting decrypted object.
+				parser.crypter.DecryptedObjects[optr] = true
+			}
+			return optr, true, nil
+		} else {
+			common.Log.Debug("?? Belongs to a non-cross referenced object ...!")
+			return nil, true, errors.New("OS belongs to a non cross referenced object")
+		}
+	}
+	return nil, false, errors.New("unknown xref type")
+}
+
+// LookupByReference looks up a PdfObject by a reference.
+func (parser *PdfParser) LookupByReference(ref PdfObjectReference) (PdfObject, error) {
+	common.Log.Trace("Looking up reference %s", ref.String())
+	return parser.LookupByNumber(int(ref.ObjectNumber))
+}
+
+// Trace traces a PdfObject to direct object, looking up and resolving references as needed (unlike TraceToDirect).
+// TODO (v3): Unexport.
+func (parser *PdfParser) Trace(obj PdfObject) (PdfObject, error) {
+	ref, isRef := obj.(*PdfObjectReference)
+	if !isRef {
+		// Direct object already.
+		return obj, nil
+	}
+
+	bakOffset := parser.GetFileOffset()
+	defer func() { parser.SetFileOffset(bakOffset) }()
+
+	o, err := parser.LookupByReference(*ref)
+	if err != nil {
+		return nil, err
+	}
+
+	io, isInd := o.(*PdfIndirectObject)
+	if !isInd {
+		// Not indirect (Stream or null object).
+		return o, nil
+	}
+	o = io.PdfObject
+	_, isRef = o.(*PdfObjectReference)
+	if isRef {
+		return io, errors.New("multi depth trace pointer to pointer")
+	}
+
+	return o, nil
+}
+
+func printXrefTable(xrefTable XrefTable) {
+	common.Log.Debug("=X=X=X=")
+	common.Log.Debug("Xref table:")
+	i := 0
+	for _, xref := range xrefTable {
+		common.Log.Debug("i+1: %d (obj num: %d gen: %d) -> %d", i+1, xref.objectNumber, xref.generation, xref.offset)
+		i++
+	}
+}

internal/pdf/core/crypt_filters.go

@@ -0,0 +1,265 @@
+package core
+
+import (
+	"crypto/aes"
+	"crypto/cipher"
+	"crypto/md5"
+	"crypto/rand"
+	"crypto/rc4"
+	"fmt"
+	"io"
+
+	"gitea.tecamino.com/paadi/pdfmerge/internal/pdf/common"
+)
+
+var (
+	cryptMethods = make(map[string]cryptFilterMethod)
+)
+
+// registerCryptFilterMethod registers a CFM.
+func registerCryptFilterMethod(m cryptFilterMethod) {
+	cryptMethods[m.CFM()] = m
+}
+
+// getCryptFilterMethod check if a CFM with a specified name is supported an returns its implementation.
+func getCryptFilterMethod(name string) (cryptFilterMethod, error) {
+	f := cryptMethods[name]
+	if f == nil {
+		return nil, fmt.Errorf("unsupported crypt filter: %q", name)
+	}
+	return f, nil
+}
+
+func init() {
+	// register supported crypt filter methods
+	registerCryptFilterMethod(cryptFilterV2{})
+	registerCryptFilterMethod(cryptFilterAESV2{})
+	registerCryptFilterMethod(cryptFilterAESV3{})
+}
+
+// cryptFilterMethod is a common interface for crypt filter methods.
+type cryptFilterMethod interface {
+	// CFM returns a name of the filter that should be used in CFM field of Encrypt dictionary.
+	CFM() string
+	// MakeKey generates a object encryption key based on file encryption key and object numbers.
+	// Used only for legacy filters - AESV3 doesn't change the key for each object.
+	MakeKey(objNum, genNum uint32, fkey []byte) ([]byte, error)
+	// EncryptBytes encrypts a buffer using object encryption key, as returned by MakeKey.
+	// Implementation may reuse a buffer and encrypt data in-place.
+	EncryptBytes(p []byte, okey []byte) ([]byte, error)
+	// DecryptBytes decrypts a buffer using object encryption key, as returned by MakeKey.
+	// Implementation may reuse a buffer and decrypt data in-place.
+	DecryptBytes(p []byte, okey []byte) ([]byte, error)
+}
+
+// makeKeyV2 is a common object key generation shared by V2 and AESV2 crypt filters.
+func makeKeyV2(objNum, genNum uint32, ekey []byte, isAES bool) ([]byte, error) {
+	key := make([]byte, len(ekey)+5)
+	copy(key, ekey)
+
+	for i := 0; i < 3; i++ {
+		b := byte((objNum >> uint32(8*i)) & 0xff)
+		key[i+len(ekey)] = b
+	}
+	for i := 0; i < 2; i++ {
+		b := byte((genNum >> uint32(8*i)) & 0xff)
+		key[i+len(ekey)+3] = b
+	}
+	if isAES {
+		// If using the AES algorithm, extend the encryption key an
+		// additional 4 bytes by adding the value “sAlT”, which
+		// corresponds to the hexadecimal values 0x73, 0x41, 0x6C, 0x54.
+		key = append(key, 0x73)
+		key = append(key, 0x41)
+		key = append(key, 0x6C)
+		key = append(key, 0x54)
+	}
+
+	// Take the MD5.
+	h := md5.New()
+	h.Write(key)
+	hashb := h.Sum(nil)
+
+	if len(ekey)+5 < 16 {
+		return hashb[0 : len(ekey)+5], nil
+	}
+
+	return hashb, nil
+}
+
+// cryptFilterV2 is a RC4-based filter
+type cryptFilterV2 struct{}
+
+func (cryptFilterV2) CFM() string {
+	return CryptFilterV2
+}
+
+func (f cryptFilterV2) MakeKey(objNum, genNum uint32, ekey []byte) ([]byte, error) {
+	return makeKeyV2(objNum, genNum, ekey, false)
+}
+
+func (cryptFilterV2) EncryptBytes(buf []byte, okey []byte) ([]byte, error) {
+	// Standard RC4 algorithm.
+	ciph, err := rc4.NewCipher(okey)
+	if err != nil {
+		return nil, err
+	}
+	common.Log.Trace("RC4 Encrypt: % x", buf)
+	ciph.XORKeyStream(buf, buf)
+	common.Log.Trace("to: % x", buf)
+	return buf, nil
+}
+
+func (cryptFilterV2) DecryptBytes(buf []byte, okey []byte) ([]byte, error) {
+	// Standard RC4 algorithm.
+	ciph, err := rc4.NewCipher(okey)
+	if err != nil {
+		return nil, err
+	}
+	common.Log.Trace("RC4 Decrypt: % x", buf)
+	ciph.XORKeyStream(buf, buf)
+	common.Log.Trace("to: % x", buf)
+	return buf, nil
+}
+
+// cryptFilterAES implements a generic AES encryption and decryption algorithm used by AESV2 and AESV3 filter methods.
+type cryptFilterAES struct{}
+
+func (cryptFilterAES) EncryptBytes(buf []byte, okey []byte) ([]byte, error) {
+	// Strings and streams encrypted with AES shall use a padding
+	// scheme that is described in Internet RFC 2898, PKCS #5:
+	// Password-Based Cryptography Specification Version 2.0; see
+	// the Bibliography. For an original message length of M,
+	// the pad shall consist of 16 - (M mod 16) bytes whose value
+	// shall also be 16 - (M mod 16).
+	//
+	// A 9-byte message has a pad of 7 bytes, each with the value
+	// 0x07. The pad can be unambiguously removed to determine the
+	// original message length when decrypting. Note that the pad is
+	// present when M is evenly divisible by 16; it contains 16 bytes
+	// of 0x10.
+
+	ciph, err := aes.NewCipher(okey)
+	if err != nil {
+		return nil, err
+	}
+
+	common.Log.Trace("AES Encrypt (%d): % x", len(buf), buf)
+
+	// If using the AES algorithm, the Cipher Block Chaining (CBC)
+	// mode, which requires an initialization vector, is used. The
+	// block size parameter is set to 16 bytes, and the initialization
+	// vector is a 16-byte random number that is stored as the first
+	// 16 bytes of the encrypted stream or string.
+
+	const block = aes.BlockSize // 16
+
+	pad := block - len(buf)%block
+	for i := 0; i < pad; i++ {
+		buf = append(buf, byte(pad))
+	}
+	common.Log.Trace("Padded to %d bytes", len(buf))
+
+	// Generate random 16 bytes, place in beginning of buffer.
+	ciphertext := make([]byte, block+len(buf))
+	iv := ciphertext[:block]
+	if _, err := io.ReadFull(rand.Reader, iv); err != nil {
+		return nil, err
+	}
+
+	mode := cipher.NewCBCEncrypter(ciph, iv)
+	mode.CryptBlocks(ciphertext[block:], buf)
+
+	buf = ciphertext
+	common.Log.Trace("to (%d): % x", len(buf), buf)
+
+	return buf, nil
+}
+
+func (cryptFilterAES) DecryptBytes(buf []byte, okey []byte) ([]byte, error) {
+	// Strings and streams encrypted with AES shall use a padding
+	// scheme that is described in Internet RFC 2898, PKCS #5:
+	// Password-Based Cryptography Specification Version 2.0; see
+	// the Bibliography. For an original message length of M,
+	// the pad shall consist of 16 - (M mod 16) bytes whose value
+	// shall also be 16 - (M mod 16).
+	//
+	// A 9-byte message has a pad of 7 bytes, each with the value
+	// 0x07. The pad can be unambiguously removed to determine the
+	// original message length when decrypting. Note that the pad is
+	// present when M is evenly divisible by 16; it contains 16 bytes
+	// of 0x10.
+
+	ciph, err := aes.NewCipher(okey)
+	if err != nil {
+		return nil, err
+	}
+
+	// If using the AES algorithm, the Cipher Block Chaining (CBC)
+	// mode, which requires an initialization vector, is used. The
+	// block size parameter is set to 16 bytes, and the initialization
+	// vector is a 16-byte random number that is stored as the first
+	// 16 bytes of the encrypted stream or string.
+	if len(buf) < 16 {
+		common.Log.Debug("error AES invalid buf %s", buf)
+		return buf, fmt.Errorf("AES: Buf len < 16 (%d)", len(buf))
+	}
+
+	iv := buf[:16]
+	buf = buf[16:]
+
+	if len(buf)%16 != 0 {
+		common.Log.Debug(" iv (%d): % x", len(iv), iv)
+		common.Log.Debug("buf (%d): % x", len(buf), buf)
+		return buf, fmt.Errorf("AES buf length not multiple of 16 (%d)", len(buf))
+	}
+
+	mode := cipher.NewCBCDecrypter(ciph, iv)
+
+	common.Log.Trace("AES Decrypt (%d): % x", len(buf), buf)
+	common.Log.Trace("chop AES Decrypt (%d): % x", len(buf), buf)
+	mode.CryptBlocks(buf, buf)
+	common.Log.Trace("to (%d): % x", len(buf), buf)
+
+	if len(buf) == 0 {
+		common.Log.Trace("Empty buf, returning empty string")
+		return buf, nil
+	}
+
+	// The padded length is indicated by the last values.  Remove those.
+
+	padLen := int(buf[len(buf)-1])
+	if padLen >= len(buf) {
+		common.Log.Debug("Illegal pad length")
+		return buf, fmt.Errorf("invalid pad length")
+	}
+	buf = buf[:len(buf)-padLen]
+
+	return buf, nil
+}
+
+// cryptFilterAESV2 is an AES-based filter (128 bit key, PDF 1.6)
+type cryptFilterAESV2 struct {
+	cryptFilterAES
+}
+
+func (cryptFilterAESV2) CFM() string {
+	return CryptFilterAESV2
+}
+
+func (cryptFilterAESV2) MakeKey(objNum, genNum uint32, ekey []byte) ([]byte, error) {
+	return makeKeyV2(objNum, genNum, ekey, true)
+}
+
+// cryptFilterAESV3 is an AES-based filter (256 bit key, PDF 2.0)
+type cryptFilterAESV3 struct {
+	cryptFilterAES
+}
+
+func (cryptFilterAESV3) CFM() string {
+	return CryptFilterAESV3
+}
+
+func (cryptFilterAESV3) MakeKey(_, _ uint32, ekey []byte) ([]byte, error) {
+	return ekey, nil
+}

internal/pdf/core/ecb.go

@@ -0,0 +1,61 @@
+package core
+
+import "crypto/cipher"
+
+// ecb implements an Electronic Codebook encryption mode.
+// This mode is used to compute or validate document permissions for R=6.
+type ecb struct {
+	b         cipher.Block
+	blockSize int
+}
+
+func newECB(b cipher.Block) *ecb {
+	return &ecb{
+		b:         b,
+		blockSize: b.BlockSize(),
+	}
+}
+
+type ecbEncrypter ecb
+
+func newECBEncrypter(b cipher.Block) cipher.BlockMode {
+	return (*ecbEncrypter)(newECB(b))
+}
+
+func (x *ecbEncrypter) BlockSize() int { return x.blockSize }
+
+func (x *ecbEncrypter) CryptBlocks(dst, src []byte) {
+	if len(src)%x.blockSize != 0 {
+		panic("crypto/cipher: input not full blocks")
+	}
+	if len(dst) < len(src) {
+		panic("crypto/cipher: output smaller than input")
+	}
+	for len(src) > 0 {
+		x.b.Encrypt(dst, src[:x.blockSize])
+		src = src[x.blockSize:]
+		dst = dst[x.blockSize:]
+	}
+}
+
+type ecbDecrypter ecb
+
+func newECBDecrypter(b cipher.Block) cipher.BlockMode {
+	return (*ecbDecrypter)(newECB(b))
+}
+
+func (x *ecbDecrypter) BlockSize() int { return x.blockSize }
+
+func (x *ecbDecrypter) CryptBlocks(dst, src []byte) {
+	if len(src)%x.blockSize != 0 {
+		panic("crypto/cipher: input not full blocks")
+	}
+	if len(dst) < len(src) {
+		panic("crypto/cipher: output smaller than input")
+	}
+	for len(src) > 0 {
+		x.b.Decrypt(dst, src[:x.blockSize])
+		src = src[x.blockSize:]
+		dst = dst[x.blockSize:]
+	}
+}

internal/pdf/core/io.go

@@ -0,0 +1,44 @@
+package core
+
+import (
+	"bufio"
+	"errors"
+	"os"
+
+	"gitea.tecamino.com/paadi/pdfmerge/internal/pdf/common"
+)
+
+// ReadAtLeast reads at least n bytes into slice p.
+// Returns the number of bytes read (should always be == n), and an error on failure.
+// TODO (v3): Unexport.
+func (parser *PdfParser) ReadAtLeast(p []byte, n int) (int, error) {
+	remaining := n
+	start := 0
+	numRounds := 0
+	for remaining > 0 {
+		nRead, err := parser.reader.Read(p[start:])
+		if err != nil {
+			common.Log.Debug("error Failed reading (%d;%d) %s", nRead, numRounds, err.Error())
+			return start, errors.New("failed reading")
+		}
+		numRounds++
+		start += nRead
+		remaining -= nRead
+	}
+	return start, nil
+}
+
+// Get the current file offset, accounting for buffered position.
+// TODO (v3): Unexport.
+func (parser *PdfParser) GetFileOffset() int64 {
+	offset, _ := parser.rs.Seek(0, os.SEEK_CUR)
+	offset -= int64(parser.reader.Buffered())
+	return offset
+}
+
+// Seek the file to an offset position.
+// TODO (v3): Unexport.
+func (parser *PdfParser) SetFileOffset(offset int64) {
+	parser.rs.Seek(offset, os.SEEK_SET)
+	parser.reader = bufio.NewReader(parser.rs)
+}

internal/pdf/core/primitives.go

@@ -0,0 +1,570 @@
+package core
+
+import (
+	"bytes"
+	"fmt"
+
+	"gitea.tecamino.com/paadi/pdfmerge/internal/pdf/common"
+)
+
+// PdfObject is an interface which all primitive PDF objects must implement.
+type PdfObject interface {
+	// Output a string representation of the primitive (for debugging).
+	String() string
+
+	// Output the PDF primitive as written to file as expected by the standard.
+	DefaultWriteString() string
+}
+
+// PdfObjectBool represents the primitive PDF boolean object.
+type PdfObjectBool bool
+
+// PdfObjectInteger represents the primitive PDF integer numerical object.
+type PdfObjectInteger int64
+
+// PdfObjectFloat represents the primitive PDF floating point numerical object.
+type PdfObjectFloat float64
+
+// PdfObjectString represents the primitive PDF string object.
+// TODO (v3): Change to a struct and add a flag for hex/plaintext.
+type PdfObjectString string
+
+// PdfObjectName represents the primitive PDF name object.
+type PdfObjectName string
+
+// PdfObjectArray represents the primitive PDF array object.
+type PdfObjectArray []PdfObject
+
+// PdfObjectDictionary represents the primitive PDF dictionary/map object.
+type PdfObjectDictionary struct {
+	dict map[PdfObjectName]PdfObject
+	keys []PdfObjectName
+}
+
+// PdfObjectNull represents the primitive PDF null object.
+type PdfObjectNull struct{}
+
+// PdfObjectReference represents the primitive PDF reference object.
+type PdfObjectReference struct {
+	ObjectNumber     int64
+	GenerationNumber int64
+}
+
+// PdfIndirectObject represents the primitive PDF indirect object.
+type PdfIndirectObject struct {
+	PdfObjectReference
+	PdfObject
+}
+
+// PdfObjectStream represents the primitive PDF Object stream.
+type PdfObjectStream struct {
+	PdfObjectReference
+	*PdfObjectDictionary
+	Stream []byte
+}
+
+// MakeDict creates and returns an empty PdfObjectDictionary.
+func MakeDict() *PdfObjectDictionary {
+	d := &PdfObjectDictionary{}
+	d.dict = map[PdfObjectName]PdfObject{}
+	d.keys = []PdfObjectName{}
+	return d
+}
+
+// MakeName creates a PdfObjectName from a string.
+func MakeName(s string) *PdfObjectName {
+	name := PdfObjectName(s)
+	return &name
+}
+
+// MakeInteger creates a PdfObjectInteger from an int64.
+func MakeInteger(val int64) *PdfObjectInteger {
+	num := PdfObjectInteger(val)
+	return &num
+}
+
+// MakeArray creates an PdfObjectArray from a list of PdfObjects.
+func MakeArray(objects ...PdfObject) *PdfObjectArray {
+	array := PdfObjectArray{}
+	for _, obj := range objects {
+		array = append(array, obj)
+	}
+	return &array
+}
+
+// MakeArrayFromIntegers creates an PdfObjectArray from a slice of ints, where each array element is
+// an PdfObjectInteger.
+func MakeArrayFromIntegers(vals []int) *PdfObjectArray {
+	array := PdfObjectArray{}
+	for _, val := range vals {
+		array = append(array, MakeInteger(int64(val)))
+	}
+	return &array
+}
+
+// MakeArrayFromIntegers64 creates an PdfObjectArray from a slice of int64s, where each array element
+// is an PdfObjectInteger.
+func MakeArrayFromIntegers64(vals []int64) *PdfObjectArray {
+	array := PdfObjectArray{}
+	for _, val := range vals {
+		array = append(array, MakeInteger(val))
+	}
+	return &array
+}
+
+// MakeArrayFromFloats creates an PdfObjectArray from a slice of float64s, where each array element is an
+// PdfObjectFloat.
+func MakeArrayFromFloats(vals []float64) *PdfObjectArray {
+	array := PdfObjectArray{}
+	for _, val := range vals {
+		array = append(array, MakeFloat(val))
+	}
+	return &array
+}
+
+// MakeBool creates an PdfObjectBool from a bool.
+func MakeBool(val bool) *PdfObjectBool {
+	v := PdfObjectBool(val)
+	return &v
+}
+
+// MakeFloat creates an PdfObjectFloat from a float64.
+func MakeFloat(val float64) *PdfObjectFloat {
+	num := PdfObjectFloat(val)
+	return &num
+}
+
+// MakeString creates an PdfObjectString from a string.
+func MakeString(s string) *PdfObjectString {
+	str := PdfObjectString(s)
+	return &str
+}
+
+// MakeNull creates an PdfObjectNull.
+func MakeNull() *PdfObjectNull {
+	null := PdfObjectNull{}
+	return &null
+}
+
+// MakeIndirectObject creates an PdfIndirectObject with a specified direct object PdfObject.
+func MakeIndirectObject(obj PdfObject) *PdfIndirectObject {
+	ind := &PdfIndirectObject{}
+	ind.PdfObject = obj
+	return ind
+}
+
+// MakeStream creates an PdfObjectStream with specified contents and encoding. If encoding is nil, then raw encoding
+// will be used (i.e. no encoding applied).
+func MakeStream(contents []byte, encoder StreamEncoder) (*PdfObjectStream, error) {
+	stream := &PdfObjectStream{}
+
+	if encoder == nil {
+		encoder = NewRawEncoder()
+	}
+
+	stream.PdfObjectDictionary = encoder.MakeStreamDict()
+
+	encoded, err := encoder.EncodeBytes(contents)
+	if err != nil {
+		return nil, err
+	}
+	stream.PdfObjectDictionary.Set("Length", MakeInteger(int64(len(encoded))))
+
+	stream.Stream = encoded
+	return stream, nil
+}
+
+func (bool *PdfObjectBool) String() string {
+	if *bool {
+		return "true"
+	} else {
+		return "false"
+	}
+}
+
+// DefaultWriteString outputs the object as it is to be written to file.
+func (bool *PdfObjectBool) DefaultWriteString() string {
+	if *bool {
+		return "true"
+	} else {
+		return "false"
+	}
+}
+
+func (int *PdfObjectInteger) String() string {
+	return fmt.Sprintf("%d", *int)
+}
+
+// DefaultWriteString outputs the object as it is to be written to file.
+func (int *PdfObjectInteger) DefaultWriteString() string {
+	return fmt.Sprintf("%d", *int)
+}
+
+func (float *PdfObjectFloat) String() string {
+	return fmt.Sprintf("%f", *float)
+}
+
+// DefaultWriteString outputs the object as it is to be written to file.
+func (float *PdfObjectFloat) DefaultWriteString() string {
+	return fmt.Sprintf("%f", *float)
+}
+
+func (str *PdfObjectString) String() string {
+	return string(*str)
+}
+
+// DefaultWriteString outputs the object as it is to be written to file.
+func (str *PdfObjectString) DefaultWriteString() string {
+	var output bytes.Buffer
+
+	escapeSequences := map[byte]string{
+		'\n': "\\n",
+		'\r': "\\r",
+		'\t': "\\t",
+		'\b': "\\b",
+		'\f': "\\f",
+		'(':  "\\(",
+		')':  "\\)",
+		'\\': "\\\\",
+	}
+
+	output.WriteString("(")
+	for i := 0; i < len(*str); i++ {
+		char := (*str)[i]
+		if escStr, useEsc := escapeSequences[char]; useEsc {
+			output.WriteString(escStr)
+		} else {
+			output.WriteByte(char)
+		}
+	}
+	output.WriteString(")")
+
+	return output.String()
+}
+
+func (name *PdfObjectName) String() string {
+	return string(*name)
+}
+
+// DefaultWriteString outputs the object as it is to be written to file.
+func (name *PdfObjectName) DefaultWriteString() string {
+	var output bytes.Buffer
+
+	if len(*name) > 127 {
+		common.Log.Debug("error: Name too long (%s)", *name)
+	}
+
+	output.WriteString("/")
+	for i := 0; i < len(*name); i++ {
+		char := (*name)[i]
+		if !IsPrintable(char) || char == '#' || IsDelimiter(char) {
+			output.WriteString(fmt.Sprintf("#%.2x", char))
+		} else {
+			output.WriteByte(char)
+		}
+	}
+
+	return output.String()
+}
+
+// ToFloat64Array returns a slice of all elements in the array as a float64 slice.  An error is returned if the array
+// contains non-numeric objects (each element can be either PdfObjectInteger or PdfObjectFloat).
+func (array *PdfObjectArray) ToFloat64Array() ([]float64, error) {
+	vals := []float64{}
+
+	for _, obj := range *array {
+		if number, is := obj.(*PdfObjectInteger); is {
+			vals = append(vals, float64(*number))
+		} else if number, is := obj.(*PdfObjectFloat); is {
+			vals = append(vals, float64(*number))
+		} else {
+			return nil, fmt.Errorf("type error")
+		}
+	}
+
+	return vals, nil
+}
+
+// ToIntegerArray returns a slice of all array elements as an int slice. An error is returned if the array contains
+// non-integer objects. Each element can only be PdfObjectInteger.
+func (array *PdfObjectArray) ToIntegerArray() ([]int, error) {
+	vals := []int{}
+
+	for _, obj := range *array {
+		if number, is := obj.(*PdfObjectInteger); is {
+			vals = append(vals, int(*number))
+		} else {
+			return nil, fmt.Errorf("type error")
+		}
+	}
+
+	return vals, nil
+}
+
+func (array *PdfObjectArray) String() string {
+	outStr := "["
+	for ind, o := range *array {
+		outStr += o.String()
+		if ind < (len(*array) - 1) {
+			outStr += ", "
+		}
+	}
+	outStr += "]"
+	return outStr
+}
+
+// DefaultWriteString outputs the object as it is to be written to file.
+func (array *PdfObjectArray) DefaultWriteString() string {
+	outStr := "["
+	for ind, o := range *array {
+		outStr += o.DefaultWriteString()
+		if ind < (len(*array) - 1) {
+			outStr += " "
+		}
+	}
+	outStr += "]"
+	return outStr
+}
+
+// Append adds an PdfObject to the array.
+func (array *PdfObjectArray) Append(obj PdfObject) {
+	*array = append(*array, obj)
+}
+
+func getNumberAsFloat(obj PdfObject) (float64, error) {
+	if fObj, ok := obj.(*PdfObjectFloat); ok {
+		return float64(*fObj), nil
+	}
+
+	if iObj, ok := obj.(*PdfObjectInteger); ok {
+		return float64(*iObj), nil
+	}
+
+	return 0, fmt.Errorf("not a number")
+}
+
+// GetAsFloat64Slice returns the array as []float64 slice.
+// Returns an error if not entirely numeric (only PdfObjectIntegers, PdfObjectFloats).
+func (array *PdfObjectArray) GetAsFloat64Slice() ([]float64, error) {
+	slice := []float64{}
+
+	for _, obj := range *array {
+		obj := TraceToDirectObject(obj)
+		number, err := getNumberAsFloat(obj)
+		if err != nil {
+			return nil, fmt.Errorf("array element not a number")
+		}
+		slice = append(slice, number)
+	}
+
+	return slice, nil
+}
+
+// Merge merges in key/values from another dictionary. Overwriting if has same keys.
+func (d *PdfObjectDictionary) Merge(another *PdfObjectDictionary) {
+	if another != nil {
+		for _, key := range another.Keys() {
+			val := another.Get(key)
+			d.Set(key, val)
+		}
+	}
+}
+
+func (d *PdfObjectDictionary) String() string {
+	outStr := "Dict("
+	for _, k := range d.keys {
+		v := d.dict[k]
+		outStr += fmt.Sprintf("\"%s\": %s, ", k, v.String())
+	}
+	outStr += ")"
+	return outStr
+}
+
+// DefaultWriteString outputs the object as it is to be written to file.
+func (d *PdfObjectDictionary) DefaultWriteString() string {
+	outStr := "<<"
+	for _, k := range d.keys {
+		v := d.dict[k]
+		common.Log.Trace("Writing k: %s %T %v %v", k, v, k, v)
+		outStr += k.DefaultWriteString()
+		outStr += " "
+		outStr += v.DefaultWriteString()
+	}
+	outStr += ">>"
+	return outStr
+}
+
+// Set sets the dictionary's key -> val mapping entry. Overwrites if key already set.
+func (d *PdfObjectDictionary) Set(key PdfObjectName, val PdfObject) {
+	found := false
+	for _, k := range d.keys {
+		if k == key {
+			found = true
+			break
+		}
+	}
+
+	if !found {
+		d.keys = append(d.keys, key)
+	}
+
+	d.dict[key] = val
+}
+
+// Get returns the PdfObject corresponding to the specified key.
+// Returns a nil value if the key is not set.
+//
+// The design is such that we only return 1 value.
+// The reason is that, it will be easy to do type casts such as
+// name, ok := dict.Get("mykey").(*PdfObjectName)
+// if !ok ....
+func (d *PdfObjectDictionary) Get(key PdfObjectName) PdfObject {
+	val, has := d.dict[key]
+	if !has {
+		return nil
+	}
+	return val
+}
+
+// Keys returns the list of keys in the dictionary.
+func (d *PdfObjectDictionary) Keys() []PdfObjectName {
+	return d.keys
+}
+
+// Remove removes an element specified by key.
+func (d *PdfObjectDictionary) Remove(key PdfObjectName) {
+	idx := -1
+	for i, k := range d.keys {
+		if k == key {
+			idx = i
+			break
+		}
+	}
+
+	if idx >= 0 {
+		// Found. Remove from key list and map.
+		d.keys = append(d.keys[:idx], d.keys[idx+1:]...)
+		delete(d.dict, key)
+	}
+}
+
+// SetIfNotNil sets the dictionary's key -> val mapping entry -IF- val is not nil.
+// Note that we take care to perform a type switch.  Otherwise if we would supply a nil value
+// of another type, e.g. (PdfObjectArray*)(nil), then it would not be a PdfObject(nil) and thus
+// would get set.
+func (d *PdfObjectDictionary) SetIfNotNil(key PdfObjectName, val PdfObject) {
+	if val != nil {
+		switch t := val.(type) {
+		case *PdfObjectName:
+			if t != nil {
+				d.Set(key, val)
+			}
+		case *PdfObjectDictionary:
+			if t != nil {
+				d.Set(key, val)
+			}
+		case *PdfObjectStream:
+			if t != nil {
+				d.Set(key, val)
+			}
+		case *PdfObjectString:
+			if t != nil {
+				d.Set(key, val)
+			}
+		case *PdfObjectNull:
+			if t != nil {
+				d.Set(key, val)
+			}
+		case *PdfObjectInteger:
+			if t != nil {
+				d.Set(key, val)
+			}
+		case *PdfObjectArray:
+			if t != nil {
+				d.Set(key, val)
+			}
+		case *PdfObjectBool:
+			if t != nil {
+				d.Set(key, val)
+			}
+		case *PdfObjectFloat:
+			if t != nil {
+				d.Set(key, val)
+			}
+		case *PdfObjectReference:
+			if t != nil {
+				d.Set(key, val)
+			}
+		case *PdfIndirectObject:
+			if t != nil {
+				d.Set(key, val)
+			}
+		default:
+			common.Log.Error("error: Unknown type: %T - should never happen!", val)
+		}
+	}
+}
+
+func (ref *PdfObjectReference) String() string {
+	return fmt.Sprintf("Ref(%d %d)", ref.ObjectNumber, ref.GenerationNumber)
+}
+
+// DefaultWriteString outputs the object as it is to be written to file.
+func (ref *PdfObjectReference) DefaultWriteString() string {
+	return fmt.Sprintf("%d %d R", ref.ObjectNumber, ref.GenerationNumber)
+}
+
+func (ind *PdfIndirectObject) String() string {
+	// Avoid printing out the object, can cause problems with circular
+	// references.
+	return fmt.Sprintf("IObject:%d", (*ind).ObjectNumber)
+}
+
+// DefaultWriteString outputs the object as it is to be written to file.
+func (ind *PdfIndirectObject) DefaultWriteString() string {
+	outStr := fmt.Sprintf("%d 0 R", (*ind).ObjectNumber)
+	return outStr
+}
+
+func (stream *PdfObjectStream) String() string {
+	return fmt.Sprintf("Object stream %d: %s", stream.ObjectNumber, stream.PdfObjectDictionary)
+}
+
+// DefaultWriteString outputs the object as it is to be written to file.
+func (stream *PdfObjectStream) DefaultWriteString() string {
+	outStr := fmt.Sprintf("%d 0 R", (*stream).ObjectNumber)
+	return outStr
+}
+
+func (null *PdfObjectNull) String() string {
+	return "null"
+}
+
+// DefaultWriteString outputs the object as it is to be written to file.
+func (null *PdfObjectNull) DefaultWriteString() string {
+	return "null"
+}
+
+// Handy functions to work with primitive objects.
+
+// TraceMaxDepth specifies the maximum recursion depth allowed.
+const TraceMaxDepth = 20
+
+// TraceToDirectObject traces a PdfObject to a direct object.  For example direct objects contained
+// in indirect objects (can be double referenced even).
+//
+// Note: This function does not trace/resolve references. That needs to be done beforehand.
+func TraceToDirectObject(obj PdfObject) PdfObject {
+	iobj, isIndirectObj := obj.(*PdfIndirectObject)
+	depth := 0
+	for isIndirectObj {
+		obj = iobj.PdfObject
+		iobj, isIndirectObj = obj.(*PdfIndirectObject)
+		depth++
+		if depth > TraceMaxDepth {
+			common.Log.Error("error: Trace depth level beyond %d - not going deeper!", TraceMaxDepth)
+			return nil
+		}
+	}
+	return obj
+}

internal/pdf/core/repairs.go

@@ -0,0 +1,281 @@
+// Routines related to repairing malformed pdf files.
+
+package core
+
+import (
+	"errors"
+	"fmt"
+	"os"
+	"regexp"
+
+	"bufio"
+	"io"
+	"strconv"
+
+	"gitea.tecamino.com/paadi/pdfmerge/internal/pdf/common"
+)
+
+var repairReXrefTable = regexp.MustCompile(`[\r\n]\s*(xref)\s*[\r\n]`)
+
+// Locates a standard Xref table by looking for the "xref" entry.
+// Xref object stream not supported.
+func (parser *PdfParser) repairLocateXref() (int64, error) {
+	readBuf := int64(1000)
+	parser.rs.Seek(-readBuf, os.SEEK_CUR)
+
+	curOffset, err := parser.rs.Seek(0, os.SEEK_CUR)
+	if err != nil {
+		return 0, err
+	}
+	b2 := make([]byte, readBuf)
+	parser.rs.Read(b2)
+
+	results := repairReXrefTable.FindAllStringIndex(string(b2), -1)
+	if len(results) < 1 {
+		common.Log.Debug("error: Repair: xref not found!")
+		return 0, errors.New("repair: xref not found")
+	}
+
+	localOffset := int64(results[len(results)-1][0])
+	xrefOffset := curOffset + localOffset
+	return xrefOffset, nil
+}
+
+// Renumbers the xref table.
+// Useful when the cross reference is pointing to an object with the wrong number.
+// Update the table.
+func (parser *PdfParser) rebuildXrefTable() error {
+	newXrefs := XrefTable{}
+	for objNum, xref := range parser.xrefs {
+		obj, _, err := parser.lookupByNumberWrapper(objNum, false)
+		if err != nil {
+			common.Log.Debug("error: Unable to look up object (%s)", err)
+			common.Log.Debug("error: Xref table completely broken - attempting to repair ")
+			xrefTable, err := parser.repairRebuildXrefsTopDown()
+			if err != nil {
+				common.Log.Debug("error: Failed xref rebuild repair (%s)", err)
+				return err
+			}
+			parser.xrefs = *xrefTable
+			common.Log.Debug("Repaired xref table built")
+			return nil
+		}
+		actObjNum, actGenNum, err := getObjectNumber(obj)
+		if err != nil {
+			return err
+		}
+
+		xref.objectNumber = int(actObjNum)
+		xref.generation = int(actGenNum)
+		newXrefs[int(actObjNum)] = xref
+	}
+
+	parser.xrefs = newXrefs
+	common.Log.Debug("New xref table built")
+	printXrefTable(parser.xrefs)
+	return nil
+}
+
+// Parses and returns the object and generation number from a string such as "12 0 obj" -> (12,0,nil).
+func parseObjectNumberFromString(str string) (int, int, error) {
+	result := reIndirectObject.FindStringSubmatch(str)
+	if len(result) < 3 {
+		return 0, 0, errors.New("unable to detect indirect object signature")
+	}
+
+	on, _ := strconv.Atoi(result[1])
+	gn, _ := strconv.Atoi(result[2])
+
+	return on, gn, nil
+}
+
+// Parse the entire file from top down.
+// Goes through the file byte-by-byte looking for "<num> <generation> obj" patterns.
+// N.B. This collects the XREF_TABLE_ENTRY data only.
+func (parser *PdfParser) repairRebuildXrefsTopDown() (*XrefTable, error) {
+	if parser.repairsAttempted {
+		// Avoid multiple repairs (only try once).
+		return nil, fmt.Errorf("repair failed")
+	}
+	parser.repairsAttempted = true
+
+	// Go to beginning, reset reader.
+	parser.rs.Seek(0, os.SEEK_SET)
+	parser.reader = bufio.NewReader(parser.rs)
+
+	// Keep a running buffer of last bytes.
+	bufLen := 20
+	last := make([]byte, bufLen)
+
+	xrefTable := XrefTable{}
+	for {
+		b, err := parser.reader.ReadByte()
+		if err != nil {
+			if err == io.EOF {
+				break
+			} else {
+				return nil, err
+			}
+		}
+
+		// Format:
+		// object number - whitespace - generation number - obj
+		// e.g. "12 0 obj"
+		if b == 'j' && last[bufLen-1] == 'b' && last[bufLen-2] == 'o' && IsWhiteSpace(last[bufLen-3]) {
+			i := bufLen - 4
+			// Go past whitespace
+			for IsWhiteSpace(last[i]) && i > 0 {
+				i--
+			}
+			if i == 0 || !IsDecimalDigit(last[i]) {
+				continue
+			}
+			// Go past generation number
+			for IsDecimalDigit(last[i]) && i > 0 {
+				i--
+			}
+			if i == 0 || !IsWhiteSpace(last[i]) {
+				continue
+			}
+			// Go past whitespace
+			for IsWhiteSpace(last[i]) && i > 0 {
+				i--
+			}
+			if i == 0 || !IsDecimalDigit(last[i]) {
+				continue
+			}
+			// Go past object number.
+			for IsDecimalDigit(last[i]) && i > 0 {
+				i--
+			}
+			if i == 0 {
+				continue // Probably too long to be a valid object...
+			}
+
+			objOffset := parser.GetFileOffset() - int64(bufLen-i)
+
+			objstr := append(last[i+1:], b)
+			objNum, genNum, err := parseObjectNumberFromString(string(objstr))
+			if err != nil {
+				common.Log.Debug("Unable to parse object number: %v", err)
+				return nil, err
+			}
+
+			// Create and insert the XREF entry if not existing, or the generation number is higher.
+			if curXref, has := xrefTable[objNum]; !has || curXref.generation < genNum {
+				// Make the entry for the cross ref table.
+				xrefEntry := XrefObject{}
+				xrefEntry.xtype = XREF_TABLE_ENTRY
+				xrefEntry.objectNumber = int(objNum)
+				xrefEntry.generation = int(genNum)
+				xrefEntry.offset = objOffset
+				xrefTable[objNum] = xrefEntry
+			}
+		}
+
+		last = append(last[1:bufLen], b)
+	}
+
+	return &xrefTable, nil
+}
+
+// Look for first sign of xref table from end of file.
+func (parser *PdfParser) repairSeekXrefMarker() error {
+	// Get the file size.
+	fSize, err := parser.rs.Seek(0, os.SEEK_END)
+	if err != nil {
+		return err
+	}
+
+	reXrefTableStart := regexp.MustCompile(`\sxref\s*`)
+
+	// Define the starting point (from the end of the file) to search from.
+	var offset int64 = 0
+
+	// Define an buffer length in terms of how many bytes to read from the end of the file.
+	var buflen int64 = 1000
+
+	for offset < fSize {
+		if fSize <= (buflen + offset) {
+			buflen = fSize - offset
+		}
+
+		// Move back enough (as we need to read forward).
+		_, err := parser.rs.Seek(-offset-buflen, os.SEEK_END)
+		if err != nil {
+			return err
+		}
+
+		// Read the data.
+		b1 := make([]byte, buflen)
+		parser.rs.Read(b1)
+
+		common.Log.Trace("Looking for xref : \"%s\"", string(b1))
+		ind := reXrefTableStart.FindAllStringIndex(string(b1), -1)
+		if ind != nil {
+			// Found it.
+			lastInd := ind[len(ind)-1]
+			common.Log.Trace("Ind: % d", ind)
+			parser.rs.Seek(-offset-buflen+int64(lastInd[0]), os.SEEK_END)
+			parser.reader = bufio.NewReader(parser.rs)
+			// Go past whitespace, finish at 'x'.
+			for {
+				bb, err := parser.reader.Peek(1)
+				if err != nil {
+					return err
+				}
+				common.Log.Trace("B: %d %c", bb[0], bb[0])
+				if !IsWhiteSpace(bb[0]) {
+					break
+				}
+				parser.reader.Discard(1)
+			}
+
+			return nil
+		} else {
+			common.Log.Debug("warning: EOF marker not found! - continue seeking")
+		}
+
+		offset += buflen
+	}
+
+	common.Log.Debug("error: Xref table marker was not found.")
+	return errors.New("xref not found ")
+}
+
+// Called when Pdf version not found normally.  Looks for the PDF version by scanning top-down.
+// %PDF-1.7
+func (parser *PdfParser) seekPdfVersionTopDown() (int, int, error) {
+	// Go to beginning, reset reader.
+	parser.rs.Seek(0, os.SEEK_SET)
+	parser.reader = bufio.NewReader(parser.rs)
+
+	// Keep a running buffer of last bytes.
+	bufLen := 20
+	last := make([]byte, bufLen)
+
+	for {
+		b, err := parser.reader.ReadByte()
+		if err != nil {
+			if err == io.EOF {
+				break
+			} else {
+				return 0, 0, err
+			}
+		}
+
+		// Format:
+		// object number - whitespace - generation number - obj
+		// e.g. "12 0 obj"
+		if IsDecimalDigit(b) && last[bufLen-1] == '.' && IsDecimalDigit(last[bufLen-2]) && last[bufLen-3] == '-' &&
+			last[bufLen-4] == 'F' && last[bufLen-5] == 'D' && last[bufLen-6] == 'P' {
+			major := int(last[bufLen-2] - '0')
+			minor := int(b - '0')
+			return major, minor, nil
+		}
+
+		last = append(last[1:bufLen], b)
+	}
+
+	return 0, 0, errors.New("version not found")
+}

internal/pdf/core/stream.go

@@ -0,0 +1,129 @@
+package core
+
+import (
+	"fmt"
+
+	"gitea.tecamino.com/paadi/pdfmerge/internal/pdf/common"
+)
+
+// NewEncoderFromStream creates a StreamEncoder based on the stream's dictionary.
+func NewEncoderFromStream(streamObj *PdfObjectStream) (StreamEncoder, error) {
+	filterObj := TraceToDirectObject(streamObj.PdfObjectDictionary.Get("Filter"))
+	if filterObj == nil {
+		// No filter, return raw data back.
+		return NewRawEncoder(), nil
+	}
+
+	if _, isNull := filterObj.(*PdfObjectNull); isNull {
+		// Filter is null -> raw data.
+		return NewRawEncoder(), nil
+	}
+
+	// The filter should be a name or an array with a list of filter names.
+	method, ok := filterObj.(*PdfObjectName)
+	if !ok {
+		array, ok := filterObj.(*PdfObjectArray)
+		if !ok {
+			return nil, fmt.Errorf("filter not a Name or Array object")
+		}
+		if len(*array) == 0 {
+			// Empty array -> indicates raw filter (no filter).
+			return NewRawEncoder(), nil
+		}
+
+		if len(*array) != 1 {
+			menc, err := newMultiEncoderFromStream(streamObj)
+			if err != nil {
+				common.Log.Error("Failed creating multi encoder: %v", err)
+				return nil, err
+			}
+
+			common.Log.Trace("Multi enc: %s\n", menc)
+			return menc, nil
+		}
+
+		// Single element.
+		filterObj = (*array)[0]
+		method, ok = filterObj.(*PdfObjectName)
+		if !ok {
+			return nil, fmt.Errorf("filter array member not a Name object")
+		}
+	}
+
+	switch *method {
+	case StreamEncodingFilterNameFlate:
+		return newFlateEncoderFromStream(streamObj, nil)
+	case StreamEncodingFilterNameLZW:
+		return newLZWEncoderFromStream(streamObj, nil)
+	case StreamEncodingFilterNameDCT:
+		return newDCTEncoderFromStream(streamObj, nil)
+	case StreamEncodingFilterNameRunLength:
+		return newRunLengthEncoderFromStream()
+	case StreamEncodingFilterNameASCIIHex:
+		return NewASCIIHexEncoder(), nil
+	case StreamEncodingFilterNameASCII85, "A85":
+		return NewASCII85Encoder(), nil
+	case StreamEncodingFilterNameCCITTFax:
+		return NewCCITTFaxEncoder(), nil
+	case StreamEncodingFilterNameJBIG2:
+		return NewJBIG2Encoder(), nil
+	case StreamEncodingFilterNameJPX:
+		return NewJPXEncoder(), nil
+	default:
+		common.Log.Debug("error: Unsupported encoding method!")
+		return nil, fmt.Errorf("unsupported encoding method (%s)", *method)
+	}
+}
+
+// DecodeStream decodes the stream data and returns the decoded data.
+// An error is returned upon failure.
+func DecodeStream(streamObj *PdfObjectStream) ([]byte, error) {
+	common.Log.Trace("Decode stream")
+
+	encoder, err := NewEncoderFromStream(streamObj)
+	if err != nil {
+		common.Log.Debug("Stream decoding failed: %v", err)
+		return nil, err
+	}
+	common.Log.Trace("Encoder: %#v\n", encoder)
+
+	decoded, err := encoder.DecodeStream(streamObj)
+	if err != nil {
+		common.Log.Debug("Stream decoding failed: %v", err)
+		return nil, err
+	}
+
+	return decoded, nil
+}
+
+// EncodeStream encodes the stream data using the encoded specified by the stream's dictionary.
+func EncodeStream(streamObj *PdfObjectStream) error {
+	common.Log.Trace("Encode stream")
+
+	encoder, err := NewEncoderFromStream(streamObj)
+	if err != nil {
+		common.Log.Debug("Stream decoding failed: %v", err)
+		return err
+	}
+
+	if lzwenc, is := encoder.(*LZWEncoder); is {
+		// If LZW:
+		// Make sure to use EarlyChange 0.. We do not have write support for 1 yet.
+		lzwenc.EarlyChange = 0
+		streamObj.PdfObjectDictionary.Set("EarlyChange", MakeInteger(0))
+	}
+
+	common.Log.Trace("Encoder: %+v\n", encoder)
+	encoded, err := encoder.EncodeBytes(streamObj.Stream)
+	if err != nil {
+		common.Log.Debug("Stream encoding failed: %v", err)
+		return err
+	}
+
+	streamObj.Stream = encoded
+
+	// Update length
+	streamObj.PdfObjectDictionary.Set("Length", MakeInteger(int64(len(encoded))))
+
+	return nil
+}

internal/pdf/core/symbols.go

@@ -0,0 +1,74 @@
+package core
+
+// IsWhiteSpace checks if byte represents a white space character.
+// TODO (v3): Unexport.
+func IsWhiteSpace(ch byte) bool {
+	// Table 1 white-space characters (7.2.2 Character Set)
+	// spaceCharacters := string([]byte{0x00, 0x09, 0x0A, 0x0C, 0x0D, 0x20})
+	if (ch == 0x00) || (ch == 0x09) || (ch == 0x0A) || (ch == 0x0C) || (ch == 0x0D) || (ch == 0x20) {
+		return true
+	}
+	return false
+}
+
+// IsFloatDigit checks if a character can be a part of a float number string.
+// TODO (v3): Unexport.
+func IsFloatDigit(c byte) bool {
+	return ('0' <= c && c <= '9') || c == '.'
+}
+
+// IsDecimalDigit checks if the character is a part of a decimal number string.
+// TODO (v3): Unexport.
+func IsDecimalDigit(c byte) bool {
+	if c >= '0' && c <= '9' {
+		return true
+	} else {
+		return false
+	}
+}
+
+// IsOctalDigit checks if a character can be part of an octal digit string.
+// TODO (v3): Unexport.
+func IsOctalDigit(c byte) bool {
+	if c >= '0' && c <= '7' {
+		return true
+	} else {
+		return false
+	}
+}
+
+// IsPrintable checks if a character is printable.
+// Regular characters that are outside the range EXCLAMATION MARK(21h)
+// (!) to TILDE (7Eh) (~) should be written using the hexadecimal notation.
+// TODO (v3): Unexport.
+func IsPrintable(char byte) bool {
+	if char < 0x21 || char > 0x7E {
+		return false
+	}
+	return true
+}
+
+// IsDelimiter checks if a character represents a delimiter.
+// TODO (v3): Unexport.
+func IsDelimiter(char byte) bool {
+	if char == '(' || char == ')' {
+		return true
+	}
+	if char == '<' || char == '>' {
+		return true
+	}
+	if char == '[' || char == ']' {
+		return true
+	}
+	if char == '{' || char == '}' {
+		return true
+	}
+	if char == '/' {
+		return true
+	}
+	if char == '%' {
+		return true
+	}
+
+	return false
+}

internal/pdf/core/utils.go

@@ -0,0 +1,172 @@
+package core
+
+import (
+	"errors"
+	"fmt"
+	"sort"
+
+	"gitea.tecamino.com/paadi/pdfmerge/internal/pdf/common"
+)
+
+// Check slice range to make sure within bounds for accessing:
+//
+//	slice[a:b] where sliceLen=len(slice).
+func checkBounds(sliceLen, a, b int) error {
+	if a < 0 || a > sliceLen {
+		return errors.New("slice index a out of bounds")
+	}
+	if b < a {
+		return errors.New("invalid slice index b < a")
+	}
+	if b > sliceLen {
+		return errors.New("slice index b out of bounds")
+	}
+
+	return nil
+}
+
+// Inspect analyzes the document object structure.
+func (parser *PdfParser) Inspect() (map[string]int, error) {
+	return parser.inspect()
+}
+
+// GetObjectNums returns a sorted list of object numbers of the PDF objects in the file.
+func (parser *PdfParser) GetObjectNums() []int {
+	objNums := []int{}
+	for _, x := range parser.xrefs {
+		objNums = append(objNums, x.objectNumber)
+	}
+
+	// Sort the object numbers to give consistent ordering of PDF objects in output.
+	// Needed since parser.xrefs is a map.
+	sort.Ints(objNums)
+
+	return objNums
+}
+
+/*
+ * Inspect object types.
+ * Go through all objects in the cross ref table and detect the types.
+ * Mostly for debugging purposes and inspecting odd PDF files.
+ */
+func (parser *PdfParser) inspect() (map[string]int, error) {
+	common.Log.Trace("--------INSPECT ----------")
+	common.Log.Trace("Xref table:")
+
+	objTypes := map[string]int{}
+	objCount := 0
+	failedCount := 0
+
+	keys := []int{}
+	for k := range parser.xrefs {
+		keys = append(keys, k)
+	}
+	sort.Ints(keys)
+
+	i := 0
+	for _, k := range keys {
+		xref := parser.xrefs[k]
+		if xref.objectNumber == 0 {
+			continue
+		}
+		objCount++
+		common.Log.Trace("==========")
+		common.Log.Trace("Looking up object number: %d", xref.objectNumber)
+		o, err := parser.LookupByNumber(xref.objectNumber)
+		if err != nil {
+			common.Log.Trace("error: Fail to lookup obj %d (%s)", xref.objectNumber, err)
+			failedCount++
+			continue
+		}
+
+		common.Log.Trace("obj: %s", o)
+
+		iobj, isIndirect := o.(*PdfIndirectObject)
+		if isIndirect {
+			common.Log.Trace("IND OOBJ %d: %s", xref.objectNumber, iobj)
+			dict, isDict := iobj.PdfObject.(*PdfObjectDictionary)
+			if isDict {
+				// Check if has Type parameter.
+				if ot, has := dict.Get("Type").(*PdfObjectName); has {
+					otype := string(*ot)
+					common.Log.Trace("---> Obj type: %s", otype)
+					_, isDefined := objTypes[otype]
+					if isDefined {
+						objTypes[otype]++
+					} else {
+						objTypes[otype] = 1
+					}
+				} else if ot, has := dict.Get("Subtype").(*PdfObjectName); has {
+					// Check if subtype
+					otype := string(*ot)
+					common.Log.Trace("---> Obj subtype: %s", otype)
+					_, isDefined := objTypes[otype]
+					if isDefined {
+						objTypes[otype]++
+					} else {
+						objTypes[otype] = 1
+					}
+				}
+				if val, has := dict.Get("S").(*PdfObjectName); has && *val == "JavaScript" {
+					// Check if Javascript.
+					_, isDefined := objTypes["JavaScript"]
+					if isDefined {
+						objTypes["JavaScript"]++
+					} else {
+						objTypes["JavaScript"] = 1
+					}
+				}
+
+			}
+		} else if sobj, isStream := o.(*PdfObjectStream); isStream {
+			if otype, ok := sobj.PdfObjectDictionary.Get("Type").(*PdfObjectName); ok {
+				common.Log.Trace("--> Stream object type: %s", *otype)
+				k := string(*otype)
+				objTypes[k]++
+			}
+		} else { // Direct.
+			dict, isDict := o.(*PdfObjectDictionary)
+			if isDict {
+				ot, isName := dict.Get("Type").(*PdfObjectName)
+				if isName {
+					otype := string(*ot)
+					common.Log.Trace("--- obj type %s", otype)
+					objTypes[otype]++
+				}
+			}
+			common.Log.Trace("DIRECT OBJ %d: %s", xref.objectNumber, o)
+		}
+
+		i++
+	}
+	common.Log.Trace("--------EOF INSPECT ----------")
+	common.Log.Trace("=======")
+	common.Log.Trace("Object count: %d", objCount)
+	common.Log.Trace("Failed lookup: %d", failedCount)
+	for t, c := range objTypes {
+		common.Log.Trace("%s: %d", t, c)
+	}
+	common.Log.Trace("=======")
+
+	if len(parser.xrefs) < 1 {
+		common.Log.Debug("error: This document is invalid (xref table missing!)")
+		return nil, fmt.Errorf("invalid document (xref table missing)")
+	}
+
+	fontObjs, ok := objTypes["Font"]
+	if !ok || fontObjs < 2 {
+		common.Log.Trace("This document is probably scanned!")
+	} else {
+		common.Log.Trace("This document is valid for extraction!")
+	}
+
+	return objTypes, nil
+}
+
+func absInt(x int) int {
+	if x < 0 {
+		return -x
+	} else {
+		return x
+	}
+}

internal/pdf/creator/block.go

@@ -0,0 +1,543 @@
+package creator
+
+import (
+	"errors"
+	"fmt"
+
+	"gitea.tecamino.com/paadi/pdfmerge/internal/pdf/common"
+	"gitea.tecamino.com/paadi/pdfmerge/internal/pdf/contentstream"
+	"gitea.tecamino.com/paadi/pdfmerge/internal/pdf/core"
+	"gitea.tecamino.com/paadi/pdfmerge/internal/pdf/model"
+)
+
+// Block contains a portion of PDF Page contents. It has a width and a position and can
+// be placed anywhere on a Page.  It can even contain a whole Page, and is used in the creator
+// where each Drawable object can output one or more blocks, each representing content for separate pages
+// (typically needed when Page breaks occur).
+type Block struct {
+	// Block contents and resources.
+	contents  *contentstream.ContentStreamOperations
+	resources *model.PdfPageResources
+
+	// Positioning: relative / absolute.
+	positioning positioning
+
+	// Absolute coordinates (when in absolute mode).
+	xPos, yPos float64
+
+	// The bounding box for the block.
+	width  float64
+	height float64
+
+	// Rotation angle.
+	angle float64
+
+	// Margins to be applied around the block when drawing on Page.
+	margins margins
+}
+
+// NewBlock creates a new Block with specified width and height.
+func NewBlock(width float64, height float64) *Block {
+	b := &Block{}
+	b.contents = &contentstream.ContentStreamOperations{}
+	b.resources = model.NewPdfPageResources()
+	b.width = width
+	b.height = height
+	return b
+}
+
+// NewBlockFromPage creates a Block from a PDF Page.  Useful for loading template pages as blocks from a PDF document
+// and additional content with the creator.
+func NewBlockFromPage(page *model.PdfPage) (*Block, error) {
+	b := &Block{}
+
+	content, err := page.GetAllContentStreams()
+	if err != nil {
+		return nil, err
+	}
+
+	contentParser := contentstream.NewContentStreamParser(content)
+	operations, err := contentParser.Parse()
+	if err != nil {
+		return nil, err
+	}
+	operations.WrapIfNeeded()
+
+	b.contents = operations
+
+	if page.Resources != nil {
+		b.resources = page.Resources
+	} else {
+		b.resources = model.NewPdfPageResources()
+	}
+
+	mbox, err := page.GetMediaBox()
+	if err != nil {
+		return nil, err
+	}
+
+	if mbox.Llx != 0 || mbox.Lly != 0 {
+		// Account for media box offset if any.
+		b.translate(-mbox.Llx, mbox.Lly)
+	}
+	b.width = mbox.Urx - mbox.Llx
+	b.height = mbox.Ury - mbox.Lly
+
+	return b, nil
+}
+
+// SetAngle sets the rotation angle in degrees.
+func (blk *Block) SetAngle(angleDeg float64) {
+	blk.angle = angleDeg
+}
+
+// duplicate duplicates the block with a new copy of the operations list.
+func (blk *Block) duplicate() *Block {
+	dup := &Block{}
+
+	// Copy over.
+	*dup = *blk
+
+	dupContents := contentstream.ContentStreamOperations{}
+	dupContents = append(dupContents, *blk.contents...)
+	dup.contents = &dupContents
+
+	return dup
+}
+
+// GeneratePageBlocks draws the block contents on a template Page block.
+// Implements the Drawable interface.
+func (blk *Block) GeneratePageBlocks(ctx DrawContext) ([]*Block, DrawContext, error) {
+	blocks := []*Block{}
+
+	if blk.positioning.isRelative() {
+		// Draw at current ctx.X, ctx.Y position
+		dup := blk.duplicate()
+		cc := contentstream.NewContentCreator()
+		cc.Translate(ctx.X, ctx.PageHeight-ctx.Y-blk.height)
+		if blk.angle != 0 {
+			// Make the rotation about the upper left corner.
+			// XXX/TODO: Account for rotation origin. (Consider).
+			cc.Translate(0, blk.Height())
+			cc.RotateDeg(blk.angle)
+			cc.Translate(0, -blk.Height())
+		}
+		contents := append(*cc.Operations(), *dup.contents...)
+		contents.WrapIfNeeded()
+		dup.contents = &contents
+
+		blocks = append(blocks, dup)
+
+		ctx.Y += blk.height
+	} else {
+		// Absolute. Draw at blk.xPos, blk.yPos position
+		dup := blk.duplicate()
+		cc := contentstream.NewContentCreator()
+		cc.Translate(blk.xPos, ctx.PageHeight-blk.yPos-blk.height)
+		if blk.angle != 0 {
+			// Make the rotation about the upper left corner.
+			// XXX/TODO: Consider supporting specification of rotation origin.
+			cc.Translate(0, blk.Height())
+			cc.RotateDeg(blk.angle)
+			cc.Translate(0, -blk.Height())
+		}
+		contents := append(*cc.Operations(), *dup.contents...)
+		contents.WrapIfNeeded()
+		dup.contents = &contents
+
+		blocks = append(blocks, dup)
+	}
+
+	return blocks, ctx, nil
+}
+
+// Height returns the Block's height.
+func (blk *Block) Height() float64 {
+	return blk.height
+}
+
+// Width returns the Block's width.
+func (blk *Block) Width() float64 {
+	return blk.width
+}
+
+// addContents adds contents to a block.  Wrap both existing and new contents to ensure
+// independence of content operations.
+func (blk *Block) addContents(operations *contentstream.ContentStreamOperations) {
+	blk.contents.WrapIfNeeded()
+	operations.WrapIfNeeded()
+	*blk.contents = append(*blk.contents, *operations...)
+}
+
+// addContentsByString adds contents to a block by contents string.
+func (blk *Block) addContentsByString(contents string) error {
+	cc := contentstream.NewContentStreamParser(contents)
+	operations, err := cc.Parse()
+	if err != nil {
+		return err
+	}
+
+	blk.contents.WrapIfNeeded()
+	operations.WrapIfNeeded()
+	*blk.contents = append(*blk.contents, *operations...)
+
+	return nil
+}
+
+// SetMargins sets the Block's left, right, top, bottom, margins.
+func (blk *Block) SetMargins(left, right, top, bottom float64) {
+	blk.margins.left = left
+	blk.margins.right = right
+	blk.margins.top = top
+	blk.margins.bottom = bottom
+}
+
+// GetMargins returns the Block's margins: left, right, top, bottom.
+func (blk *Block) GetMargins() (float64, float64, float64, float64) {
+	return blk.margins.left, blk.margins.right, blk.margins.top, blk.margins.bottom
+}
+
+// SetPos sets the Block's positioning to absolute mode with the specified coordinates.
+func (blk *Block) SetPos(x, y float64) {
+	blk.positioning = positionAbsolute
+	blk.xPos = x
+	blk.yPos = y
+}
+
+// Scale block by specified factors in the x and y directions.
+func (blk *Block) Scale(sx, sy float64) {
+	ops := contentstream.NewContentCreator().
+		Scale(sx, sy).
+		Operations()
+
+	*blk.contents = append(*ops, *blk.contents...)
+	blk.contents.WrapIfNeeded()
+
+	blk.width *= sx
+	blk.height *= sy
+}
+
+// ScaleToWidth scales the Block to a specified width, maintaining the same aspect ratio.
+func (blk *Block) ScaleToWidth(w float64) {
+	ratio := w / blk.width
+	blk.Scale(ratio, ratio)
+}
+
+// ScaleToHeight scales the Block to a specified height, maintaining the same aspect ratio.
+func (blk *Block) ScaleToHeight(h float64) {
+	ratio := h / blk.height
+	blk.Scale(ratio, ratio)
+}
+
+// translate translates the block, moving block contents on the PDF. For internal use.
+func (blk *Block) translate(tx, ty float64) {
+	ops := contentstream.NewContentCreator().
+		Translate(tx, -ty).
+		Operations()
+
+	*blk.contents = append(*ops, *blk.contents...)
+	blk.contents.WrapIfNeeded()
+}
+
+// drawToPage draws the block on a PdfPage. Generates the content streams and appends to the PdfPage's content
+// stream and links needed resources.
+func (blk *Block) drawToPage(page *model.PdfPage) error {
+	// Check if Page contents are wrapped - if not wrap it.
+	content, err := page.GetAllContentStreams()
+	if err != nil {
+		return err
+	}
+
+	contentParser := contentstream.NewContentStreamParser(content)
+	ops, err := contentParser.Parse()
+	if err != nil {
+		return err
+	}
+	ops.WrapIfNeeded()
+
+	// Ensure resource dictionaries are available.
+	if page.Resources == nil {
+		page.Resources = model.NewPdfPageResources()
+	}
+
+	// Merge the contents into ops.
+	err = mergeContents(ops, page.Resources, blk.contents, blk.resources)
+	if err != nil {
+		return err
+	}
+
+	err = page.SetContentStreams([]string{string(ops.Bytes())}, core.NewFlateEncoder())
+	if err != nil {
+		return err
+	}
+
+	return nil
+}
+
+// Draw draws the drawable d on the block.
+// Note that the drawable must not wrap, i.e. only return one block. Otherwise an error is returned.
+func (blk *Block) Draw(d Drawable) error {
+	ctx := DrawContext{}
+	ctx.Width = blk.width
+	ctx.Height = blk.height
+	ctx.PageWidth = blk.width
+	ctx.PageHeight = blk.height
+	ctx.X = 0 // Upper left corner of block
+	ctx.Y = 0
+
+	blocks, _, err := d.GeneratePageBlocks(ctx)
+	if err != nil {
+		return err
+	}
+
+	if len(blocks) != 1 {
+		return errors.New("too many output blocks")
+	}
+
+	for _, newBlock := range blocks {
+		err := mergeContents(blk.contents, blk.resources, newBlock.contents, newBlock.resources)
+		if err != nil {
+			return err
+		}
+	}
+
+	return nil
+}
+
+// DrawWithContext draws the Block using the specified drawing context.
+func (blk *Block) DrawWithContext(d Drawable, ctx DrawContext) error {
+	blocks, _, err := d.GeneratePageBlocks(ctx)
+	if err != nil {
+		return err
+	}
+
+	if len(blocks) != 1 {
+		return errors.New("too many output blocks")
+	}
+
+	for _, newBlock := range blocks {
+		err := mergeContents(blk.contents, blk.resources, newBlock.contents, newBlock.resources)
+		if err != nil {
+			return err
+		}
+	}
+
+	return nil
+}
+
+// mergeBlocks appends another block onto the block.
+func (blk *Block) mergeBlocks(toAdd *Block) error {
+	err := mergeContents(blk.contents, blk.resources, toAdd.contents, toAdd.resources)
+	return err
+}
+
+// mergeContents merges contents and content streams.
+// Active in the sense that it modified the input contents and resources.
+func mergeContents(contents *contentstream.ContentStreamOperations, resources *model.PdfPageResources,
+	contentsToAdd *contentstream.ContentStreamOperations, resourcesToAdd *model.PdfPageResources) error {
+
+	// To properly add contents from a block, we need to handle the resources that the block is
+	// using and make sure it is accessible in the modified Page.
+	//
+	// Currently supporting: Font, XObject, Colormap, Pattern, Shading, GState resources
+	// from the block.
+	//
+
+	xobjectMap := map[core.PdfObjectName]core.PdfObjectName{}
+	fontMap := map[core.PdfObjectName]core.PdfObjectName{}
+	csMap := map[core.PdfObjectName]core.PdfObjectName{}
+	patternMap := map[core.PdfObjectName]core.PdfObjectName{}
+	shadingMap := map[core.PdfObjectName]core.PdfObjectName{}
+	gstateMap := map[core.PdfObjectName]core.PdfObjectName{}
+
+	for _, op := range *contentsToAdd {
+		switch op.Operand {
+		case "Do":
+			// XObject.
+			if len(op.Params) == 1 {
+				if name, ok := op.Params[0].(*core.PdfObjectName); ok {
+					if _, processed := xobjectMap[*name]; !processed {
+						var useName core.PdfObjectName
+						// Process if not already processed..
+						obj, _ := resourcesToAdd.GetXObjectByName(*name)
+						if obj != nil {
+							useName = *name
+							for {
+								obj2, _ := resources.GetXObjectByName(useName)
+								if obj2 == nil || obj2 == obj {
+									break
+								}
+								// If there is a conflict... then append "0" to the name..
+								useName = useName + "0"
+							}
+						}
+
+						resources.SetXObjectByName(useName, obj)
+						xobjectMap[*name] = useName
+					}
+					useName := xobjectMap[*name]
+					op.Params[0] = &useName
+				}
+			}
+		case "Tf":
+			// Font.
+			if len(op.Params) == 2 {
+				if name, ok := op.Params[0].(*core.PdfObjectName); ok {
+					if _, processed := fontMap[*name]; !processed {
+						var useName core.PdfObjectName
+						// Process if not already processed.
+						obj, found := resourcesToAdd.GetFontByName(*name)
+						if found {
+							useName = *name
+							for {
+								obj2, found := resources.GetFontByName(useName)
+								if !found || obj2 == obj {
+									break
+								}
+								useName = useName + "0"
+							}
+						}
+
+						resources.SetFontByName(useName, obj)
+						fontMap[*name] = useName
+					}
+
+					useName := fontMap[*name]
+					op.Params[0] = &useName
+				}
+			}
+		case "CS", "cs":
+			// Colorspace.
+			if len(op.Params) == 1 {
+				if name, ok := op.Params[0].(*core.PdfObjectName); ok {
+					if _, processed := csMap[*name]; !processed {
+						var useName core.PdfObjectName
+						// Process if not already processed.
+						cs, found := resourcesToAdd.GetColorspaceByName(*name)
+						if found {
+							useName = *name
+							for {
+								cs2, found := resources.GetColorspaceByName(useName)
+								if !found || cs == cs2 {
+									break
+								}
+								useName = useName + "0"
+							}
+
+							resources.SetColorspaceByName(useName, cs)
+							csMap[*name] = useName
+						} else {
+							common.Log.Debug("Colorspace not found")
+						}
+					}
+
+					if useName, has := csMap[*name]; has {
+						op.Params[0] = &useName
+					} else {
+						common.Log.Debug("error: Colorspace %s not found", *name)
+					}
+				}
+			}
+		case "SCN", "scn":
+			if len(op.Params) == 1 {
+				if name, ok := op.Params[0].(*core.PdfObjectName); ok {
+					if _, processed := patternMap[*name]; !processed {
+						var useName core.PdfObjectName
+						p, found := resourcesToAdd.GetPatternByName(*name)
+						if found {
+							useName = *name
+							for {
+								p2, found := resources.GetPatternByName(useName)
+								if !found || p2 == p {
+									break
+								}
+								useName = useName + "0"
+							}
+
+							err := resources.SetPatternByName(useName, p.ToPdfObject())
+							if err != nil {
+								return err
+							}
+
+							patternMap[*name] = useName
+						}
+					}
+
+					if useName, has := patternMap[*name]; has {
+						op.Params[0] = &useName
+					}
+				}
+			}
+		case "sh":
+			// Shading.
+			if len(op.Params) == 1 {
+				if name, ok := op.Params[0].(*core.PdfObjectName); ok {
+					if _, processed := shadingMap[*name]; !processed {
+						var useName core.PdfObjectName
+						// Process if not already processed.
+						sh, found := resourcesToAdd.GetShadingByName(*name)
+						if found {
+							useName = *name
+							for {
+								sh2, found := resources.GetShadingByName(useName)
+								if !found || sh == sh2 {
+									break
+								}
+								useName = useName + "0"
+							}
+
+							err := resources.SetShadingByName(useName, sh.ToPdfObject())
+							if err != nil {
+								common.Log.Debug("error Set shading: %v", err)
+								return err
+							}
+
+							shadingMap[*name] = useName
+						} else {
+							common.Log.Debug("Shading not found")
+						}
+					}
+
+					if useName, has := shadingMap[*name]; has {
+						op.Params[0] = &useName
+					} else {
+						common.Log.Debug("error: Shading %s not found", *name)
+					}
+				}
+			}
+		case "gs":
+			// ExtGState.
+			if len(op.Params) == 1 {
+				if name, ok := op.Params[0].(*core.PdfObjectName); ok {
+					if _, processed := gstateMap[*name]; !processed {
+						var useName core.PdfObjectName
+						// Process if not already processed.
+						gs, found := resourcesToAdd.GetExtGState(*name)
+						if found {
+							useName = *name
+							i := 1
+							for {
+								gs2, found := resources.GetExtGState(useName)
+								if !found || gs == gs2 {
+									break
+								}
+								useName = core.PdfObjectName(fmt.Sprintf("GS%d", i))
+								i++
+							}
+						}
+
+						resources.AddExtGState(useName, gs)
+						gstateMap[*name] = useName
+					}
+
+					useName := gstateMap[*name]
+					op.Params[0] = &useName
+				}
+			}
+		}
+
+		*contents = append(*contents, op)
+	}
+
+	return nil
+}

internal/pdf/creator/chapters.go

@@ -0,0 +1,174 @@
+package creator
+
+import (
+	"errors"
+	"fmt"
+
+	"gitea.tecamino.com/paadi/pdfmerge/internal/pdf/common"
+	"gitea.tecamino.com/paadi/pdfmerge/internal/pdf/model/fonts"
+)
+
+// Chapter is used to arrange multiple drawables (paragraphs, images, etc) into a single section. The concept is
+// the same as a book or a report chapter.
+type Chapter struct {
+	number  int
+	title   string
+	heading *Paragraph
+
+	subchapters int
+
+	contents []Drawable
+
+	// Show chapter numbering
+	showNumbering bool
+
+	// Include in TOC.
+	includeInTOC bool
+
+	// Positioning: relative / absolute.
+	positioning positioning
+
+	// Margins to be applied around the block when drawing on Page.
+	margins margins
+
+	// Reference to the creator's TOC.
+	toc *TableOfContents
+}
+
+// NewChapter creates a new chapter with the specified title as the heading.
+func (c *Creator) NewChapter(title string) *Chapter {
+	chap := &Chapter{}
+
+	c.chapters++
+	chap.number = c.chapters
+	chap.title = title
+
+	chap.showNumbering = true
+	chap.includeInTOC = true
+
+	heading := fmt.Sprintf("%d. %s", c.chapters, title)
+	p := NewParagraph(heading)
+	p.SetFontSize(16)
+	p.SetFont(fonts.NewFontHelvetica()) // bold?
+
+	chap.heading = p
+	chap.contents = []Drawable{}
+
+	// Keep a reference for toc.
+	chap.toc = c.toc
+
+	return chap
+}
+
+// SetShowNumbering sets a flag to indicate whether or not to show chapter numbers as part of title.
+func (chap *Chapter) SetShowNumbering(show bool) {
+	if show {
+		heading := fmt.Sprintf("%d. %s", chap.number, chap.title)
+		chap.heading.SetText(heading)
+	} else {
+		heading := chap.title
+		chap.heading.SetText(heading)
+	}
+	chap.showNumbering = show
+}
+
+// SetIncludeInTOC sets a flag to indicate whether or not to include in tOC.
+func (chap *Chapter) SetIncludeInTOC(includeInTOC bool) {
+	chap.includeInTOC = includeInTOC
+}
+
+// GetHeading returns the chapter heading paragraph. Used to give access to address style: font, sizing etc.
+func (chap *Chapter) GetHeading() *Paragraph {
+	return chap.heading
+}
+
+// SetMargins sets the Chapter margins: left, right, top, bottom.
+// Typically not needed as the creator's page margins are used.
+func (chap *Chapter) SetMargins(left, right, top, bottom float64) {
+	chap.margins.left = left
+	chap.margins.right = right
+	chap.margins.top = top
+	chap.margins.bottom = bottom
+}
+
+// GetMargins returns the Chapter's margin: left, right, top, bottom.
+func (chap *Chapter) GetMargins() (float64, float64, float64, float64) {
+	return chap.margins.left, chap.margins.right, chap.margins.top, chap.margins.bottom
+}
+
+// Add adds a new Drawable to the chapter.
+func (chap *Chapter) Add(d Drawable) error {
+	if Drawable(chap) == d {
+		common.Log.Debug("error: Cannot add itself")
+		return errors.New("range check error")
+	}
+
+	switch d.(type) {
+	case *Chapter:
+		common.Log.Debug("error: Cannot add chapter to a chapter")
+		return errors.New("type check error")
+	case *Paragraph, *Image, *Block, *Subchapter, *Table, *PageBreak:
+		chap.contents = append(chap.contents, d)
+	default:
+		common.Log.Debug("Unsupported: %T", d)
+		return errors.New("type check error")
+	}
+
+	return nil
+}
+
+// GeneratePageBlocks generate the Page blocks.  Multiple blocks are generated if the contents wrap over
+// multiple pages.
+func (chap *Chapter) GeneratePageBlocks(ctx DrawContext) ([]*Block, DrawContext, error) {
+	origCtx := ctx
+
+	if chap.positioning.isRelative() {
+		// Update context.
+		ctx.X += chap.margins.left
+		ctx.Y += chap.margins.top
+		ctx.Width -= chap.margins.left + chap.margins.right
+		ctx.Height -= chap.margins.top
+	}
+
+	blocks, ctx, err := chap.heading.GeneratePageBlocks(ctx)
+	if err != nil {
+		return blocks, ctx, err
+	}
+	if len(blocks) > 1 {
+		ctx.Page++ // Did not fit, moved to new Page block.
+	}
+
+	if chap.includeInTOC {
+		// Add to TOC.
+		chap.toc.add(chap.title, chap.number, 0, ctx.Page)
+	}
+
+	for _, d := range chap.contents {
+		newBlocks, c, err := d.GeneratePageBlocks(ctx)
+		if err != nil {
+			return blocks, ctx, err
+		}
+		if len(newBlocks) < 1 {
+			continue
+		}
+
+		// The first block is always appended to the last..
+		blocks[len(blocks)-1].mergeBlocks(newBlocks[0])
+		blocks = append(blocks, newBlocks[1:]...)
+
+		ctx = c
+	}
+
+	if chap.positioning.isRelative() {
+		// Move back X to same start of line.
+		ctx.X = origCtx.X
+	}
+
+	if chap.positioning.isAbsolute() {
+		// If absolute: return original context.
+		return blocks, origCtx, nil
+
+	}
+
+	return blocks, ctx, nil
+}

internal/pdf/creator/color.go

@@ -0,0 +1,115 @@
+package creator
+
+import (
+	"fmt"
+
+	"math"
+
+	"gitea.tecamino.com/paadi/pdfmerge/internal/pdf/common"
+)
+
+// Color interface represents colors in the PDF creator.
+type Color interface {
+	ToRGB() (float64, float64, float64)
+}
+
+// Represents RGB color values.
+type rgbColor struct {
+	// Arithmetic representation of r,g,b (range 0-1).
+	r, g, b float64
+}
+
+func (col rgbColor) ToRGB() (float64, float64, float64) {
+	return col.r, col.g, col.b
+}
+
+// Commonly used colors.
+var (
+	ColorBlack  = ColorRGBFromArithmetic(0, 0, 0)
+	ColorWhite  = ColorRGBFromArithmetic(1, 1, 1)
+	ColorRed    = ColorRGBFromArithmetic(1, 0, 0)
+	ColorGreen  = ColorRGBFromArithmetic(0, 1, 0)
+	ColorBlue   = ColorRGBFromArithmetic(0, 0, 1)
+	ColorYellow = ColorRGBFromArithmetic(1, 1, 0)
+)
+
+// ColorRGBFromHex converts color hex code to rgb color for using with creator.
+// NOTE: If there is a problem interpreting the string, then will use black color and log a debug message.
+// Example hex code: #ffffff -> (1,1,1) white.
+func ColorRGBFromHex(hexStr string) Color {
+	color := rgbColor{}
+	if (len(hexStr) != 4 && len(hexStr) != 7) || hexStr[0] != '#' {
+		common.Log.Debug("invalid hex code: %s", hexStr)
+		return color
+	}
+
+	var r, g, b int
+	if len(hexStr) == 4 {
+		// Special case: 4 digits: #abc ; where r = a*16+a, e.g. #ffffff -> #fff
+		var tmp1, tmp2, tmp3 int
+		n, err := fmt.Sscanf(hexStr, "#%1x%1x%1x", &tmp1, &tmp2, &tmp3)
+
+		if err != nil {
+			common.Log.Debug("invalid hex code: %s, error: %v", hexStr, err)
+			return color
+		}
+		if n != 3 {
+			common.Log.Debug("invalid hex code: %s", hexStr)
+			return color
+		}
+
+		r = tmp1*16 + tmp1
+		g = tmp2*16 + tmp2
+		b = tmp3*16 + tmp3
+	} else {
+		// Default case: 7 digits: #rrggbb
+		n, err := fmt.Sscanf(hexStr, "#%2x%2x%2x", &r, &g, &b)
+		if err != nil {
+			common.Log.Debug("invalid hex code: %s", hexStr)
+			return color
+		}
+		if n != 3 {
+			common.Log.Debug("invalid hex code: %s, n != 3 (%d)", hexStr, n)
+			return color
+		}
+	}
+
+	rNorm := float64(r) / 255.0
+	gNorm := float64(g) / 255.0
+	bNorm := float64(b) / 255.0
+
+	color.r = rNorm
+	color.g = gNorm
+	color.b = bNorm
+
+	return color
+}
+
+// ColorRGBFrom8bit creates a Color from 8bit (0-255) r,g,b values.
+// Example:
+//
+//	red := ColorRGBFrom8Bit(255, 0, 0)
+func ColorRGBFrom8bit(r, g, b byte) Color {
+	color := rgbColor{}
+	color.r = float64(r) / 255.0
+	color.g = float64(g) / 255.0
+	color.b = float64(b) / 255.0
+	return color
+}
+
+// ColorRGBFromArithmetic creates a Color from arithmetic (0-1.0) color values.
+// Example:
+//
+//	green := ColorRGBFromArithmetic(0, 1.0, 0)
+func ColorRGBFromArithmetic(r, g, b float64) Color {
+	// Ensure is in the range 0-1:
+	r = math.Max(math.Min(r, 1.0), 0.0)
+	g = math.Max(math.Min(g, 1.0), 0.0)
+	b = math.Max(math.Min(b, 1.0), 0.0)
+
+	color := rgbColor{}
+	color.r = r
+	color.g = g
+	color.b = b
+	return color
+}

internal/pdf/creator/const.go

@@ -0,0 +1,49 @@
+package creator
+
+// PageSize represents the page size as a 2 element array representing the width and height in PDF document units (points).
+type PageSize [2]float64
+
+// PPI specifies the default PDF resolution in points/inch.
+var PPI float64 = 72 // Points per inch. (Default resolution).
+
+// PPMM specifies the default PDF resolution in points/mm.
+var PPMM float64 = 72 * 1.0 / 25.4 // Points per mm. (Default resolution).
+
+// Commonly used page sizes
+var (
+	PageSizeA3     = PageSize{297 * PPMM, 420 * PPMM}
+	PageSizeA4     = PageSize{210 * PPMM, 297 * PPMM}
+	PageSizeA5     = PageSize{148 * PPMM, 210 * PPMM}
+	PageSizeLetter = PageSize{8.5 * PPI, 11 * PPI}
+	PageSizeLegal  = PageSize{8.5 * PPI, 14 * PPI}
+)
+
+// TextAlignment options for paragraph.
+type TextAlignment int
+
+// The options supported for text alignment are:
+// left - TextAlignmentLeft
+// right - TextAlignmentRight
+// center - TextAlignmentCenter
+// justify - TextAlignmentJustify
+const (
+	TextAlignmentLeft TextAlignment = iota
+	TextAlignmentRight
+	TextAlignmentCenter
+	TextAlignmentJustify
+)
+
+// Relative and absolute positioning types.
+type positioning int
+
+const (
+	positionRelative positioning = iota
+	positionAbsolute
+)
+
+func (p positioning) isRelative() bool {
+	return p == positionRelative
+}
+func (p positioning) isAbsolute() bool {
+	return p == positionAbsolute
+}

internal/pdf/creator/creator.go

@@ -0,0 +1,524 @@
+package creator
+
+import (
+	"errors"
+	"io"
+	"os"
+
+	"gitea.tecamino.com/paadi/pdfmerge/internal/pdf/common"
+	"gitea.tecamino.com/paadi/pdfmerge/internal/pdf/model"
+)
+
+// Creator is a wrapper around functionality for creating PDF reports and/or adding new
+// content onto imported PDF pages, etc.
+type Creator struct {
+	pages      []*model.PdfPage
+	activePage *model.PdfPage
+
+	pagesize PageSize
+
+	context DrawContext
+
+	pageMargins margins
+
+	pageWidth, pageHeight float64
+
+	// Keep track of number of chapters for indexing.
+	chapters int
+
+	// Hooks.
+	genFrontPageFunc      func(args FrontpageFunctionArgs)
+	genTableOfContentFunc func(toc *TableOfContents) (*Chapter, error)
+	drawHeaderFunc        func(header *Block, args HeaderFunctionArgs)
+	drawFooterFunc        func(footer *Block, args FooterFunctionArgs)
+	pdfWriterAccessFunc   func(writer *model.PdfWriter) error
+
+	finalized bool
+
+	toc *TableOfContents
+
+	// Forms.
+	acroForm *model.PdfAcroForm
+}
+
+// SetForms Add Acroforms to a PDF file.  Sets the specified form for writing.
+func (c *Creator) SetForms(form *model.PdfAcroForm) error {
+	c.acroForm = form
+	return nil
+}
+
+// FrontpageFunctionArgs holds the input arguments to a front page drawing function.
+// It is designed as a struct, so additional parameters can be added in the future with backwards compatibility.
+type FrontpageFunctionArgs struct {
+	PageNum    int
+	TotalPages int
+}
+
+// HeaderFunctionArgs holds the input arguments to a header drawing function.
+// It is designed as a struct, so additional parameters can be added in the future with backwards compatibility.
+type HeaderFunctionArgs struct {
+	PageNum    int
+	TotalPages int
+}
+
+// FooterFunctionArgs holds the input arguments to a footer drawing function.
+// It is designed as a struct, so additional parameters can be added in the future with backwards compatibility.
+type FooterFunctionArgs struct {
+	PageNum    int
+	TotalPages int
+}
+
+// Margins.  Can be page margins, or margins around an element.
+type margins struct {
+	left   float64
+	right  float64
+	top    float64
+	bottom float64
+}
+
+// New creates a new instance of the PDF Creator.
+func New() *Creator {
+	c := &Creator{}
+	c.pages = []*model.PdfPage{}
+	c.SetPageSize(PageSizeLetter)
+
+	m := 0.1 * c.pageWidth
+	c.pageMargins.left = m
+	c.pageMargins.right = m
+	c.pageMargins.top = m
+	c.pageMargins.bottom = m
+
+	c.toc = newTableOfContents()
+
+	return c
+}
+
+// SetPageMargins sets the page margins: left, right, top, bottom.
+// The default page margins are 10% of document width.
+func (c *Creator) SetPageMargins(left, right, top, bottom float64) {
+	c.pageMargins.left = left
+	c.pageMargins.right = right
+	c.pageMargins.top = top
+	c.pageMargins.bottom = bottom
+}
+
+// Width returns the current page width.
+func (c *Creator) Width() float64 {
+	return c.pageWidth
+}
+
+// Height returns the current page height.
+func (c *Creator) Height() float64 {
+	return c.pageHeight
+}
+
+func (c *Creator) setActivePage(p *model.PdfPage) {
+	c.activePage = p
+}
+
+func (c *Creator) getActivePage() *model.PdfPage {
+	if c.activePage == nil {
+		if len(c.pages) == 0 {
+			return nil
+		}
+		return c.pages[len(c.pages)-1]
+	}
+	return c.activePage
+}
+
+// SetPageSize sets the Creator's page size.  Pages that are added after this will be created with this Page size.
+// Does not affect pages already created.
+//
+// Common page sizes are defined as constants.
+// Examples:
+// 1. c.SetPageSize(creator.PageSizeA4)
+// 2. c.SetPageSize(creator.PageSizeA3)
+// 3. c.SetPageSize(creator.PageSizeLegal)
+// 4. c.SetPageSize(creator.PageSizeLetter)
+//
+// For custom sizes: Use the PPMM (points per mm) and PPI (points per inch) when defining those based on
+// physical page sizes:
+//
+// Examples:
+// 1. 10x15 sq. mm: SetPageSize(PageSize{10*creator.PPMM, 15*creator.PPMM}) where PPMM is points per mm.
+// 2. 3x2 sq. inches: SetPageSize(PageSize{3*creator.PPI, 2*creator.PPI}) where PPI is points per inch.
+func (c *Creator) SetPageSize(size PageSize) {
+	c.pagesize = size
+
+	c.pageWidth = size[0]
+	c.pageHeight = size[1]
+
+	// Update default margins to 10% of width.
+	m := 0.1 * c.pageWidth
+	c.pageMargins.left = m
+	c.pageMargins.right = m
+	c.pageMargins.top = m
+	c.pageMargins.bottom = m
+}
+
+// DrawHeader sets a function to draw a header on created output pages.
+func (c *Creator) DrawHeader(drawHeaderFunc func(header *Block, args HeaderFunctionArgs)) {
+	c.drawHeaderFunc = drawHeaderFunc
+}
+
+// DrawFooter sets a function to draw a footer on created output pages.
+func (c *Creator) DrawFooter(drawFooterFunc func(footer *Block, args FooterFunctionArgs)) {
+	c.drawFooterFunc = drawFooterFunc
+}
+
+// CreateFrontPage sets a function to generate a front Page.
+func (c *Creator) CreateFrontPage(genFrontPageFunc func(args FrontpageFunctionArgs)) {
+	c.genFrontPageFunc = genFrontPageFunc
+}
+
+// CreateTableOfContents sets a function to generate table of contents.
+func (c *Creator) CreateTableOfContents(genTOCFunc func(toc *TableOfContents) (*Chapter, error)) {
+	c.genTableOfContentFunc = genTOCFunc
+}
+
+// Create a new Page with current parameters.
+func (c *Creator) newPage() *model.PdfPage {
+	page := model.NewPdfPage()
+
+	width := c.pagesize[0]
+	height := c.pagesize[1]
+
+	bbox := model.PdfRectangle{Llx: 0, Lly: 0, Urx: width, Ury: height}
+	page.MediaBox = &bbox
+
+	c.pageWidth = width
+	c.pageHeight = height
+
+	c.initContext()
+
+	return page
+}
+
+// Initialize the drawing context, moving to upper left corner.
+func (c *Creator) initContext() {
+	// Update context, move to upper left corner.
+	c.context.X = c.pageMargins.left
+	c.context.Y = c.pageMargins.top
+	c.context.Width = c.pageWidth - c.pageMargins.right - c.pageMargins.left
+	c.context.Height = c.pageHeight - c.pageMargins.bottom - c.pageMargins.top
+	c.context.PageHeight = c.pageHeight
+	c.context.PageWidth = c.pageWidth
+	c.context.Margins = c.pageMargins
+}
+
+// NewPage adds a new Page to the Creator and sets as the active Page.
+func (c *Creator) NewPage() {
+	page := c.newPage()
+	c.pages = append(c.pages, page)
+	c.context.Page++
+}
+
+// AddPage adds the specified page to the creator.
+func (c *Creator) AddPage(page *model.PdfPage) error {
+	mbox, err := page.GetMediaBox()
+	if err != nil {
+		common.Log.Debug("Failed to get page mediabox: %v", err)
+		return err
+	}
+
+	c.context.X = mbox.Llx + c.pageMargins.left
+	c.context.Y = c.pageMargins.top
+	c.context.PageHeight = mbox.Ury - mbox.Lly
+	c.context.PageWidth = mbox.Urx - mbox.Llx
+
+	c.pages = append(c.pages, page)
+	c.context.Page++
+
+	return nil
+}
+
+// RotateDeg rotates the current active page by angle degrees.  An error is returned on failure, which can be
+// if there is no currently active page, or the angleDeg is not a multiple of 90 degrees.
+func (c *Creator) RotateDeg(angleDeg int64) error {
+	page := c.getActivePage()
+	if page == nil {
+		common.Log.Debug("Fail to rotate: no page currently active")
+		return errors.New("no page active")
+	}
+	if angleDeg%90 != 0 {
+		common.Log.Debug("error: Page rotation angle not a multiple of 90")
+		return errors.New("range check error")
+	}
+
+	// Do the rotation.
+	var rotation int64 = 0
+	if page.Rotate != nil {
+		rotation = *(page.Rotate)
+	}
+	rotation += angleDeg // Rotate by angleDeg degrees.
+	page.Rotate = &rotation
+
+	return nil
+}
+
+// Context returns the current drawing context.
+func (c *Creator) Context() DrawContext {
+	return c.context
+}
+
+// Call before writing out.  Takes care of adding headers and footers, as well as generating front Page and
+// table of contents.
+func (c *Creator) finalize() error {
+	totPages := len(c.pages)
+
+	// Estimate number of additional generated pages and update TOC.
+	genpages := 0
+	if c.genFrontPageFunc != nil {
+		genpages++
+	}
+	if c.genTableOfContentFunc != nil {
+		c.initContext()
+		c.context.Page = genpages + 1
+		ch, err := c.genTableOfContentFunc(c.toc)
+		if err != nil {
+			return err
+		}
+
+		// Make an estimate of the number of pages.
+		blocks, _, err := ch.GeneratePageBlocks(c.context)
+		if err != nil {
+			common.Log.Debug("Failed to generate blocks: %v", err)
+			return err
+		}
+		genpages += len(blocks)
+
+		// Update the table of content Page numbers, accounting for front Page and TOC.
+		for idx := range c.toc.entries {
+			c.toc.entries[idx].PageNumber += genpages
+		}
+
+		// Remove the TOC chapter entry.
+		c.toc.entries = c.toc.entries[:len(c.toc.entries)-1]
+	}
+
+	hasFrontPage := false
+	// Generate the front Page.
+	if c.genFrontPageFunc != nil {
+		totPages++
+		p := c.newPage()
+		// Place at front.
+		c.pages = append([]*model.PdfPage{p}, c.pages...)
+		c.setActivePage(p)
+
+		args := FrontpageFunctionArgs{
+			PageNum:    1,
+			TotalPages: totPages,
+		}
+		c.genFrontPageFunc(args)
+		hasFrontPage = true
+	}
+
+	if c.genTableOfContentFunc != nil {
+		c.initContext()
+		ch, err := c.genTableOfContentFunc(c.toc)
+		if err != nil {
+			common.Log.Debug("error generating TOC: %v", err)
+			return err
+		}
+		ch.SetShowNumbering(false)
+		ch.SetIncludeInTOC(false)
+
+		blocks, _, _ := ch.GeneratePageBlocks(c.context)
+		tocpages := []*model.PdfPage{}
+		for _, block := range blocks {
+			block.SetPos(0, 0)
+			totPages++
+			p := c.newPage()
+			// Place at front.
+			tocpages = append(tocpages, p)
+			c.setActivePage(p)
+			c.Draw(block)
+		}
+
+		if hasFrontPage {
+			front := c.pages[0]
+			rest := c.pages[1:]
+			c.pages = append([]*model.PdfPage{front}, tocpages...)
+			c.pages = append(c.pages, rest...)
+		} else {
+			c.pages = append(tocpages, c.pages...)
+		}
+
+	}
+
+	for idx, page := range c.pages {
+		c.setActivePage(page)
+		if c.drawHeaderFunc != nil {
+			// Prepare a block to draw on.
+			// Header is drawn on the top of the page. Has width of the page, but height limited to the page
+			// margin top height.
+			headerBlock := NewBlock(c.pageWidth, c.pageMargins.top)
+			args := HeaderFunctionArgs{
+				PageNum:    idx + 1,
+				TotalPages: totPages,
+			}
+			c.drawHeaderFunc(headerBlock, args)
+			headerBlock.SetPos(0, 0)
+			err := c.Draw(headerBlock)
+			if err != nil {
+				common.Log.Debug("error drawing header: %v", err)
+				return err
+			}
+
+		}
+		if c.drawFooterFunc != nil {
+			// Prepare a block to draw on.
+			// Footer is drawn on the bottom of the page. Has width of the page, but height limited to the page
+			// margin bottom height.
+			footerBlock := NewBlock(c.pageWidth, c.pageMargins.bottom)
+			args := FooterFunctionArgs{
+				PageNum:    idx + 1,
+				TotalPages: totPages,
+			}
+			c.drawFooterFunc(footerBlock, args)
+			footerBlock.SetPos(0, c.pageHeight-footerBlock.height)
+			err := c.Draw(footerBlock)
+			if err != nil {
+				common.Log.Debug("error drawing footer: %v", err)
+				return err
+			}
+		}
+	}
+
+	c.finalized = true
+
+	return nil
+}
+
+// MoveTo moves the drawing context to absolute coordinates (x, y).
+func (c *Creator) MoveTo(x, y float64) {
+	c.context.X = x
+	c.context.Y = y
+}
+
+// MoveX moves the drawing context to absolute position x.
+func (c *Creator) MoveX(x float64) {
+	c.context.X = x
+}
+
+// MoveY moves the drawing context to absolute position y.
+func (c *Creator) MoveY(y float64) {
+	c.context.Y = y
+}
+
+// MoveRight moves the drawing context right by relative displacement dx (negative goes left).
+func (c *Creator) MoveRight(dx float64) {
+	c.context.X += dx
+}
+
+// MoveDown moves the drawing context down by relative displacement dy (negative goes up).
+func (c *Creator) MoveDown(dy float64) {
+	c.context.Y += dy
+}
+
+// Draw draws the Drawable widget to the document.  This can span over 1 or more pages. Additional pages are added if
+// the contents go over the current Page.
+func (c *Creator) Draw(d Drawable) error {
+	if c.getActivePage() == nil {
+		// Add a new Page if none added already.
+		c.NewPage()
+	}
+
+	blocks, ctx, err := d.GeneratePageBlocks(c.context)
+	if err != nil {
+		return err
+	}
+
+	for idx, blk := range blocks {
+		if idx > 0 {
+			c.NewPage()
+		}
+
+		p := c.getActivePage()
+		err := blk.drawToPage(p)
+		if err != nil {
+			return err
+		}
+	}
+
+	// Inner elements can affect X, Y position and available height.
+	c.context.X = ctx.X
+	c.context.Y = ctx.Y
+	c.context.Height = ctx.PageHeight - ctx.Y - ctx.Margins.bottom
+
+	return nil
+}
+
+// Write output of creator to io.WriteSeeker interface.
+func (c *Creator) Write(ws io.WriteSeeker) error {
+	if !c.finalized {
+		c.finalize()
+	}
+
+	pdfWriter := model.NewPdfWriter()
+	// Form fields.
+	if c.acroForm != nil {
+		errF := pdfWriter.SetForms(c.acroForm)
+		if errF != nil {
+			common.Log.Debug("Failure: %v", errF)
+			return errF
+		}
+	}
+
+	// Pdf Writer access hook.  Can be used to encrypt, etc. via the PdfWriter instance.
+	if c.pdfWriterAccessFunc != nil {
+		err := c.pdfWriterAccessFunc(&pdfWriter)
+		if err != nil {
+			common.Log.Debug("Failure: %v", err)
+			return err
+		}
+	}
+
+	for _, page := range c.pages {
+		err := pdfWriter.AddPage(page)
+		if err != nil {
+			common.Log.Error("Failed to add Page: %s", err)
+			return err
+		}
+	}
+
+	err := pdfWriter.Write(ws)
+	if err != nil {
+		return err
+	}
+
+	return nil
+}
+
+// SetPdfWriterAccessFunc sets a PdfWriter access function/hook.
+// Exposes the PdfWriter just prior to writing the PDF.  Can be used to encrypt the output PDF, etc.
+//
+// Example of encrypting with a user/owner password "password"
+// Prior to calling c.WriteFile():
+//
+//	c.SetPdfWriterAccessFunc(func(w *model.PdfWriter) error {
+//		userPass := []byte("password")
+//		ownerPass := []byte("password")
+//		err := w.Encrypt(userPass, ownerPass, nil)
+//		return err
+//	})
+func (c *Creator) SetPdfWriterAccessFunc(pdfWriterAccessFunc func(writer *model.PdfWriter) error) {
+	c.pdfWriterAccessFunc = pdfWriterAccessFunc
+}
+
+// WriteToFile writes the Creator output to file specified by path.
+func (c *Creator) WriteToFile(outputPath string) error {
+	fWrite, err := os.Create(outputPath)
+	if err != nil {
+		return err
+	}
+
+	defer fWrite.Close()
+
+	err = c.Write(fWrite)
+	if err != nil {
+		return err
+	}
+
+	return nil
+}

internal/pdf/creator/curve.go

@@ -0,0 +1,66 @@
+package creator
+
+import (
+	"fmt"
+	"strings"
+
+	"gitea.tecamino.com/paadi/pdfmerge/internal/pdf/model"
+)
+
+// NewCurve returns new instance of Curve between points (x1,y1) and (x2, y2) with control point (cx,cy).
+func NewCurve(x1, y1, cx, cy, x2, y2 float64) *Curve {
+	c := &Curve{}
+
+	c.x1 = x1
+	c.y1 = y1
+
+	c.cx = cx
+	c.cy = cy
+
+	c.x2 = x2
+	c.y2 = y2
+
+	c.lineColor = model.NewPdfColorDeviceRGB(0, 0, 0)
+	c.lineWidth = 1.0
+	return c
+}
+
+// Curve represents a cubic Bezier curve with a control point.
+type Curve struct {
+	x1 float64
+	y1 float64
+	cx float64 // control point
+	cy float64
+	x2 float64
+	y2 float64
+
+	lineColor *model.PdfColorDeviceRGB
+	lineWidth float64
+}
+
+// SetWidth sets line width.
+func (c *Curve) SetWidth(width float64) {
+	c.lineWidth = width
+}
+
+// SetColor sets the line color.
+func (c *Curve) SetColor(col Color) {
+	c.lineColor = model.NewPdfColorDeviceRGB(col.ToRGB())
+}
+
+// GeneratePageBlocks draws the curve onto page blocks.
+func (c *Curve) GeneratePageBlocks(ctx DrawContext) ([]*Block, DrawContext, error) {
+	block := NewBlock(ctx.PageWidth, ctx.PageHeight)
+
+	var ops []string
+	ops = append(ops, fmt.Sprintf("%.2f w", c.lineWidth))                                               // line widtdh
+	ops = append(ops, fmt.Sprintf("%.3f %.3f %.3f RG", c.lineColor[0], c.lineColor[1], c.lineColor[2])) // line color
+	ops = append(ops, fmt.Sprintf("%.2f %.2f m", c.x1, ctx.PageHeight-c.y1))                            // move to
+	ops = append(ops, fmt.Sprintf("%.5f %.5f %.5f %.5f v S", c.cx, ctx.PageHeight-c.cy, c.x2, ctx.PageHeight-c.y2))
+
+	err := block.addContentsByString(strings.Join(ops, "\n"))
+	if err != nil {
+		return nil, ctx, err
+	}
+	return []*Block{block}, ctx, nil
+}

internal/pdf/creator/division.go

@@ -0,0 +1,189 @@
+package creator
+
+import (
+	"errors"
+
+	"gitea.tecamino.com/paadi/pdfmerge/internal/pdf/common"
+)
+
+// Division is a container component which can wrap across multiple pages (unlike Block).
+// It can contain multiple Drawable components (currently supporting Paragraph and Image).
+//
+// The component stacking behavior is vertical, where the Drawables are drawn on top of each other.
+// Also supports horizontal stacking by activating the inline mode.
+type Division struct {
+	components []VectorDrawable
+
+	// Positioning: relative / absolute.
+	positioning positioning
+
+	// Margins to be applied around the block when drawing on Page.
+	margins margins
+
+	// Controls whether the components are stacked horizontally
+	inline bool
+}
+
+// NewDivision returns a new Division container component.
+func NewDivision() *Division {
+	return &Division{
+		components: []VectorDrawable{},
+	}
+}
+
+// Inline returns whether the inline mode of the division is active.
+func (div *Division) Inline() bool {
+	return div.inline
+}
+
+// SetInline sets the inline mode of the division.
+func (div *Division) SetInline(inline bool) {
+	div.inline = inline
+}
+
+// Add adds a VectorDrawable to the Division container.
+// Currently supported VectorDrawables: *Paragraph, *StyledParagraph, *Image.
+func (div *Division) Add(d VectorDrawable) error {
+	supported := false
+
+	switch d.(type) {
+	case *Paragraph:
+		supported = true
+	case *StyledParagraph:
+		supported = true
+	case *Image:
+		supported = true
+	}
+
+	if !supported {
+		return errors.New("unsupported type in Division")
+	}
+
+	div.components = append(div.components, d)
+
+	return nil
+}
+
+// Height returns the height for the Division component assuming all stacked on top of each other.
+func (div *Division) Height() float64 {
+	y := 0.0
+	yMax := 0.0
+	for _, component := range div.components {
+		compWidth, compHeight := component.Width(), component.Height()
+		switch t := component.(type) {
+		case *Paragraph:
+			p := t
+			compWidth += p.margins.left + p.margins.right
+			compHeight += p.margins.top + p.margins.bottom
+		}
+
+		// Vertical stacking.
+		y += compHeight
+		yMax = y
+	}
+
+	return yMax
+}
+
+// Width is not used. Not used as a Division element is designed to fill into available width depending on
+// context.  Returns 0.
+func (div *Division) Width() float64 {
+	return 0
+}
+
+// GeneratePageBlocks generates the page blocks for the Division component.
+// Multiple blocks are generated if the contents wrap over multiple pages.
+func (div *Division) GeneratePageBlocks(ctx DrawContext) ([]*Block, DrawContext, error) {
+	pageblocks := []*Block{}
+
+	origCtx := ctx
+
+	if div.positioning.isRelative() {
+		// Update context.
+		ctx.X += div.margins.left
+		ctx.Y += div.margins.top
+		ctx.Width -= div.margins.left + div.margins.right
+		ctx.Height -= div.margins.top
+	}
+
+	// Set the inline mode of the division to the context.
+	ctx.Inline = div.inline
+
+	// Draw.
+	divCtx := ctx
+	tmpCtx := ctx
+	var lineHeight float64
+
+	for _, component := range div.components {
+		if ctx.Inline {
+			// Check whether the component fits on the current line.
+			if (ctx.X-divCtx.X)+component.Width() <= ctx.Width {
+				ctx.Y = tmpCtx.Y
+				ctx.Height = tmpCtx.Height
+			} else {
+				ctx.X = divCtx.X
+				ctx.Width = divCtx.Width
+
+				tmpCtx.Y += lineHeight
+				tmpCtx.Height -= lineHeight
+				lineHeight = 0
+			}
+		}
+
+		newblocks, updCtx, err := component.GeneratePageBlocks(ctx)
+		if err != nil {
+			common.Log.Debug("error generating page blocks: %v", err)
+			return nil, ctx, err
+		}
+
+		if len(newblocks) < 1 {
+			continue
+		}
+
+		if len(pageblocks) > 0 {
+			// If there are pageblocks already in place.
+			// merge the first block in with current Block and append the rest.
+			pageblocks[len(pageblocks)-1].mergeBlocks(newblocks[0])
+			pageblocks = append(pageblocks, newblocks[1:]...)
+		} else {
+			pageblocks = append(pageblocks, newblocks[0:]...)
+		}
+
+		// Apply padding/margins.
+		if ctx.Inline {
+			// Recalculate positions on page change.
+			if ctx.Page != updCtx.Page {
+				divCtx.Y = ctx.Margins.top
+				divCtx.Height = ctx.PageHeight - ctx.Margins.top
+
+				tmpCtx.Y = divCtx.Y
+				tmpCtx.Height = divCtx.Height
+				lineHeight = updCtx.Height - divCtx.Height
+			} else {
+				// Calculate current line max height.
+				if dl := ctx.Height - updCtx.Height; dl > lineHeight {
+					lineHeight = dl
+				}
+			}
+		} else {
+			updCtx.X = ctx.X
+		}
+
+		ctx = updCtx
+	}
+
+	// Restore the original inline mode of the context.
+	ctx.Inline = origCtx.Inline
+
+	if div.positioning.isRelative() {
+		// Move back X to same start of line.
+		ctx.X = origCtx.X
+	}
+
+	if div.positioning.isAbsolute() {
+		// If absolute: return original context.
+		return pageblocks, origCtx, nil
+	}
+
+	return pageblocks, ctx, nil
+}

internal/pdf/creator/drawable.go

@@ -0,0 +1,44 @@
+package creator
+
+// Drawable is a widget that can be used to draw with the Creator.
+type Drawable interface {
+	// Draw onto blocks representing Page contents. As the content can wrap over many pages, multiple
+	// templates are returned, one per Page.  The function also takes a draw context containing information
+	// where to draw (if relative positioning) and the available height to draw on accounting for Margins etc.
+	GeneratePageBlocks(ctx DrawContext) ([]*Block, DrawContext, error)
+}
+
+// VectorDrawable is a Drawable with a specified width and height.
+type VectorDrawable interface {
+	Drawable
+
+	// Width returns the width of the Drawable.
+	Width() float64
+
+	// Height returns the height of the Drawable.
+	Height() float64
+}
+
+// DrawContext defines the drawing context. The DrawContext is continuously used and updated when drawing the page
+// contents in relative mode.  Keeps track of current X, Y position, available height as well as other page parameters
+// such as margins and dimensions.
+type DrawContext struct {
+	// Current page number.
+	Page int
+
+	// Current position.  In a relative positioning mode, a drawable will be placed at these coordinates.
+	X, Y float64
+
+	// Context dimensions.  Available width and height (on current page).
+	Width, Height float64
+
+	// Page Margins.
+	Margins margins
+
+	// Absolute Page size, widths and height.
+	PageWidth  float64
+	PageHeight float64
+
+	// Controls whether the components are stacked horizontally
+	Inline bool
+}

internal/pdf/creator/ellipse.go

@@ -0,0 +1,89 @@
+package creator
+
+import (
+	"gitea.tecamino.com/paadi/pdfmerge/internal/pdf/contentstream/draw"
+	"gitea.tecamino.com/paadi/pdfmerge/internal/pdf/model"
+)
+
+// Ellipse defines an ellipse with a center at (xc,yc) and a specified width and height.  The ellipse can have a colored
+// fill and/or border with a specified width.
+// Implements the Drawable interface and can be drawn on PDF using the Creator.
+type Ellipse struct {
+	xc          float64
+	yc          float64
+	width       float64
+	height      float64
+	fillColor   *model.PdfColorDeviceRGB
+	borderColor *model.PdfColorDeviceRGB
+	borderWidth float64
+}
+
+// NewEllipse creates a new ellipse centered at (xc,yc) with a width and height specified.
+func NewEllipse(xc, yc, width, height float64) *Ellipse {
+	ell := &Ellipse{}
+
+	ell.xc = xc
+	ell.yc = yc
+	ell.width = width
+	ell.height = height
+
+	ell.borderColor = model.NewPdfColorDeviceRGB(0, 0, 0)
+	ell.borderWidth = 1.0
+
+	return ell
+}
+
+// GetCoords returns the coordinates of the Ellipse's center (xc,yc).
+func (ell *Ellipse) GetCoords() (float64, float64) {
+	return ell.xc, ell.yc
+}
+
+// SetBorderWidth sets the border width.
+func (ell *Ellipse) SetBorderWidth(bw float64) {
+	ell.borderWidth = bw
+}
+
+// SetBorderColor sets the border color.
+func (ell *Ellipse) SetBorderColor(col Color) {
+	ell.borderColor = model.NewPdfColorDeviceRGB(col.ToRGB())
+}
+
+// SetFillColor sets the fill color.
+func (ell *Ellipse) SetFillColor(col Color) {
+	ell.fillColor = model.NewPdfColorDeviceRGB(col.ToRGB())
+}
+
+// GeneratePageBlocks draws the rectangle on a new block representing the page.
+func (ell *Ellipse) GeneratePageBlocks(ctx DrawContext) ([]*Block, DrawContext, error) {
+	block := NewBlock(ctx.PageWidth, ctx.PageHeight)
+
+	drawell := draw.Circle{
+		X:           ell.xc - ell.width/2,
+		Y:           ctx.PageHeight - ell.yc - ell.height/2,
+		Width:       ell.width,
+		Height:      ell.height,
+		Opacity:     1.0,
+		BorderWidth: ell.borderWidth,
+	}
+	if ell.fillColor != nil {
+		drawell.FillEnabled = true
+		drawell.FillColor = ell.fillColor
+	}
+	if ell.borderColor != nil {
+		drawell.BorderEnabled = true
+		drawell.BorderColor = ell.borderColor
+		drawell.BorderWidth = ell.borderWidth
+	}
+
+	contents, _, err := drawell.Draw("")
+	if err != nil {
+		return nil, ctx, err
+	}
+
+	err = block.addContentsByString(string(contents))
+	if err != nil {
+		return nil, ctx, err
+	}
+
+	return []*Block{block}, ctx, nil
+}

internal/pdf/creator/filled_curve.go

@@ -0,0 +1,107 @@
+package creator
+
+import (
+	pdfcontent "gitea.tecamino.com/paadi/pdfmerge/internal/pdf/contentstream"
+	"gitea.tecamino.com/paadi/pdfmerge/internal/pdf/contentstream/draw"
+	pdfcore "gitea.tecamino.com/paadi/pdfmerge/internal/pdf/core"
+	pdf "gitea.tecamino.com/paadi/pdfmerge/internal/pdf/model"
+)
+
+// FilledCurve represents a closed path of Bezier curves with a border and fill.
+type FilledCurve struct {
+	curves        []draw.CubicBezierCurve
+	FillEnabled   bool // Show fill?
+	fillColor     *pdf.PdfColorDeviceRGB
+	BorderEnabled bool // Show border?
+	BorderWidth   float64
+	borderColor   *pdf.PdfColorDeviceRGB
+}
+
+// NewFilledCurve returns a instance of filled curve.
+func NewFilledCurve() *FilledCurve {
+	curve := FilledCurve{}
+	curve.curves = []draw.CubicBezierCurve{}
+	return &curve
+}
+
+// AppendCurve appends a Bezier curve to the filled curve.
+func (fc *FilledCurve) AppendCurve(curve draw.CubicBezierCurve) *FilledCurve {
+	fc.curves = append(fc.curves, curve)
+	return fc
+}
+
+// SetFillColor sets the fill color for the path.
+func (fc *FilledCurve) SetFillColor(color Color) {
+	fc.fillColor = pdf.NewPdfColorDeviceRGB(color.ToRGB())
+}
+
+// SetBorderColor sets the border color for the path.
+func (fc *FilledCurve) SetBorderColor(color Color) {
+	fc.borderColor = pdf.NewPdfColorDeviceRGB(color.ToRGB())
+}
+
+// draw draws the filled curve. Can specify a graphics state (gsName) for setting opacity etc. Otherwise leave empty ("").
+// Returns the content stream as a byte array, the bounding box and an error on failure.
+func (fc *FilledCurve) draw(gsName string) ([]byte, *pdf.PdfRectangle, error) {
+	bpath := draw.NewCubicBezierPath()
+	for _, c := range fc.curves {
+		bpath = bpath.AppendCurve(c)
+	}
+
+	creator := pdfcontent.NewContentCreator()
+	creator.Add_q()
+
+	if fc.FillEnabled {
+		creator.Add_rg(fc.fillColor.R(), fc.fillColor.G(), fc.fillColor.B())
+	}
+	if fc.BorderEnabled {
+		creator.Add_RG(fc.borderColor.R(), fc.borderColor.G(), fc.borderColor.B())
+		creator.Add_w(fc.BorderWidth)
+	}
+	if len(gsName) > 1 {
+		// If a graphics state is provided, use it. (can support transparency).
+		creator.Add_gs(pdfcore.PdfObjectName(gsName))
+	}
+
+	draw.DrawBezierPathWithCreator(bpath, creator)
+	creator.Add_h() // Close the path.
+
+	if fc.FillEnabled && fc.BorderEnabled {
+		creator.Add_B() // fill and stroke.
+	} else if fc.FillEnabled {
+		creator.Add_f() // Fill.
+	} else if fc.BorderEnabled {
+		creator.Add_S() // Stroke.
+	}
+	creator.Add_Q()
+
+	// Get bounding box.
+	pathBbox := bpath.GetBoundingBox()
+	if fc.BorderEnabled {
+		// Account for stroke width.
+		pathBbox.Height += fc.BorderWidth
+		pathBbox.Width += fc.BorderWidth
+		pathBbox.X -= fc.BorderWidth / 2
+		pathBbox.Y -= fc.BorderWidth / 2
+	}
+
+	// Bounding box - global coordinate system.
+	bbox := &pdf.PdfRectangle{}
+	bbox.Llx = pathBbox.X
+	bbox.Lly = pathBbox.Y
+	bbox.Urx = pathBbox.X + pathBbox.Width
+	bbox.Ury = pathBbox.Y + pathBbox.Height
+	return creator.Bytes(), bbox, nil
+}
+
+// GeneratePageBlocks draws the filled curve on page blocks.
+func (fc *FilledCurve) GeneratePageBlocks(ctx DrawContext) ([]*Block, DrawContext, error) {
+	block := NewBlock(ctx.PageWidth, ctx.PageHeight)
+
+	contents, _, _ := fc.draw("")
+	err := block.addContentsByString(string(contents))
+	if err != nil {
+		return nil, ctx, err
+	}
+	return []*Block{block}, ctx, nil
+}

internal/pdf/creator/image.go

@@ -0,0 +1,329 @@
+package creator
+
+import (
+	"bytes"
+	"fmt"
+	goimage "image"
+	"os"
+
+	"gitea.tecamino.com/paadi/pdfmerge/internal/pdf/common"
+	"gitea.tecamino.com/paadi/pdfmerge/internal/pdf/contentstream"
+	"gitea.tecamino.com/paadi/pdfmerge/internal/pdf/core"
+	"gitea.tecamino.com/paadi/pdfmerge/internal/pdf/model"
+)
+
+// The Image type is used to draw an image onto PDF.
+type Image struct {
+	xobj *model.XObjectImage
+	img  *model.Image
+
+	// Rotation angle.
+	angle float64
+
+	// The dimensions of the image. As to be placed on the PDF.
+	width, height float64
+
+	// The original dimensions of the image (pixel based).
+	origWidth, origHeight float64
+
+	// Positioning: relative / absolute.
+	positioning positioning
+
+	// Absolute coordinates (when in absolute mode).
+	xPos float64
+	yPos float64
+
+	// Opacity (alpha value).
+	opacity float64
+
+	// Margins to be applied around the block when drawing on Page.
+	margins margins
+
+	// Encoder
+	encoder core.StreamEncoder
+}
+
+// NewImage create a new image from a image (model.Image).
+func NewImage(img *model.Image) (*Image, error) {
+	image := &Image{}
+	image.img = img
+
+	// Image original size in points = pixel size.
+	image.origWidth = float64(img.Width)
+	image.origHeight = float64(img.Height)
+	image.width = image.origWidth
+	image.height = image.origHeight
+	image.angle = 0
+	image.opacity = 1.0
+
+	image.positioning = positionRelative
+
+	return image, nil
+}
+
+// NewImageFromData creates an Image from image data.
+func NewImageFromData(data []byte) (*Image, error) {
+	imgReader := bytes.NewReader(data)
+
+	// Load the image with default handler.
+	img, err := model.ImageHandling.Read(imgReader)
+	if err != nil {
+		common.Log.Error("error loading image: %s", err)
+		return nil, err
+	}
+
+	return NewImage(img)
+}
+
+// NewImageFromFile creates an Image from a file.
+func NewImageFromFile(path string) (*Image, error) {
+	imgData, err := os.ReadFile(path)
+	if err != nil {
+		return nil, err
+	}
+
+	img, err := NewImageFromData(imgData)
+	if err != nil {
+		return nil, err
+	}
+
+	return img, nil
+}
+
+// NewImageFromGoImage creates an Image from a go image.Image datastructure.
+func NewImageFromGoImage(goimg goimage.Image) (*Image, error) {
+	img, err := model.ImageHandling.NewImageFromGoImage(goimg)
+	if err != nil {
+		return nil, err
+	}
+
+	return NewImage(img)
+}
+
+// SetEncoder sets the encoding/compression mechanism for the image.
+func (img *Image) SetEncoder(encoder core.StreamEncoder) {
+	img.encoder = encoder
+}
+
+// Height returns Image's document height.
+func (img *Image) Height() float64 {
+	return img.height
+}
+
+// Width returns Image's document width.
+func (img *Image) Width() float64 {
+	return img.width
+}
+
+// SetOpacity sets opacity for Image.
+func (img *Image) SetOpacity(opacity float64) {
+	img.opacity = opacity
+}
+
+// SetMargins sets the margins for the Image (in relative mode): left, right, top, bottom.
+func (img *Image) SetMargins(left, right, top, bottom float64) {
+	img.margins.left = left
+	img.margins.right = right
+	img.margins.top = top
+	img.margins.bottom = bottom
+}
+
+// GetMargins returns the Image's margins: left, right, top, bottom.
+func (img *Image) GetMargins() (float64, float64, float64, float64) {
+	return img.margins.left, img.margins.right, img.margins.top, img.margins.bottom
+}
+
+// makeXObject makes the encoded XObject Image that will be used in the PDF.
+func (img *Image) makeXObject() error {
+	encoder := img.encoder
+	if encoder == nil {
+		// Default: Use flate encoder.
+		encoder = core.NewFlateEncoder()
+	}
+
+	// Create the XObject image.
+	ximg, err := model.NewXObjectImageFromImage(img.img, nil, encoder)
+	if err != nil {
+		common.Log.Error("Failed to create xobject image: %s", err)
+		return err
+	}
+
+	img.xobj = ximg
+	return nil
+}
+
+// GeneratePageBlocks generate the Page blocks. Draws the Image on a block, implementing the Drawable interface.
+func (img *Image) GeneratePageBlocks(ctx DrawContext) ([]*Block, DrawContext, error) {
+	if img.xobj == nil {
+		// Build the XObject Image if not already prepared.
+		img.makeXObject()
+	}
+
+	blocks := []*Block{}
+	origCtx := ctx
+
+	blk := NewBlock(ctx.PageWidth, ctx.PageHeight)
+	if img.positioning.isRelative() {
+		if img.height > ctx.Height {
+			// Goes out of the bounds.  Write on a new template instead and create a new context at upper
+			// left corner.
+
+			blocks = append(blocks, blk)
+			blk = NewBlock(ctx.PageWidth, ctx.PageHeight)
+
+			// New Page.
+			ctx.Page++
+			newContext := ctx
+			newContext.Y = ctx.Margins.top // + p.Margins.top
+			newContext.X = ctx.Margins.left + img.margins.left
+			newContext.Height = ctx.PageHeight - ctx.Margins.top - ctx.Margins.bottom - img.margins.bottom
+			newContext.Width = ctx.PageWidth - ctx.Margins.left - ctx.Margins.right - img.margins.left - img.margins.right
+			ctx = newContext
+		} else {
+			ctx.Y += img.margins.top
+			ctx.Height -= img.margins.top + img.margins.bottom
+			ctx.X += img.margins.left
+			ctx.Width -= img.margins.left + img.margins.right
+		}
+	} else {
+		// Absolute.
+		ctx.X = img.xPos
+		ctx.Y = img.yPos
+	}
+
+	// Place the Image on the template at position (x,y) based on the ctx.
+	ctx, err := drawImageOnBlock(blk, img, ctx)
+	if err != nil {
+		return nil, ctx, err
+	}
+
+	blocks = append(blocks, blk)
+
+	if img.positioning.isAbsolute() {
+		// Absolute drawing should not affect context.
+		ctx = origCtx
+	} else {
+		// XXX/TODO: Use projected height.
+		ctx.Y += img.margins.bottom
+		ctx.Height -= img.margins.bottom
+	}
+
+	return blocks, ctx, nil
+}
+
+// SetPos sets the absolute position. Changes object positioning to absolute.
+func (img *Image) SetPos(x, y float64) {
+	img.positioning = positionAbsolute
+	img.xPos = x
+	img.yPos = y
+}
+
+// Scale scales Image by a constant factor, both width and height.
+func (img *Image) Scale(xFactor, yFactor float64) {
+	img.width = xFactor * img.width
+	img.height = yFactor * img.height
+}
+
+// ScaleToWidth scale Image to a specified width w, maintaining the aspect ratio.
+func (img *Image) ScaleToWidth(w float64) {
+	ratio := img.height / img.width
+	img.width = w
+	img.height = w * ratio
+}
+
+// ScaleToHeight scale Image to a specified height h, maintaining the aspect ratio.
+func (img *Image) ScaleToHeight(h float64) {
+	ratio := img.width / img.height
+	img.height = h
+	img.width = h * ratio
+}
+
+// SetWidth set the Image's document width to specified w. This does not change the raw image data, i.e.
+// no actual scaling of data is performed. That is handled by the PDF viewer.
+func (img *Image) SetWidth(w float64) {
+	img.width = w
+}
+
+// SetHeight sets the Image's document height to specified h.
+func (img *Image) SetHeight(h float64) {
+	img.height = h
+}
+
+// SetAngle sets Image rotation angle in degrees.
+func (img *Image) SetAngle(angle float64) {
+	img.angle = angle
+}
+
+// Draw the image onto the specified blk.
+func drawImageOnBlock(blk *Block, img *Image, ctx DrawContext) (DrawContext, error) {
+	origCtx := ctx
+
+	// Find a free name for the image.
+	num := 1
+	imgName := core.PdfObjectName(fmt.Sprintf("Img%d", num))
+	for blk.resources.HasXObjectByName(imgName) {
+		num++
+		imgName = core.PdfObjectName(fmt.Sprintf("Img%d", num))
+	}
+
+	// Add to the Page resources.
+	err := blk.resources.SetXObjectImageByName(imgName, img.xobj)
+	if err != nil {
+		return ctx, err
+	}
+
+	// Find an available GS name.
+	i := 0
+	gsName := core.PdfObjectName(fmt.Sprintf("GS%d", i))
+	for blk.resources.HasExtGState(gsName) {
+		i++
+		gsName = core.PdfObjectName(fmt.Sprintf("GS%d", i))
+	}
+
+	// Graphics state with normal blend mode.
+	gs0 := core.MakeDict()
+	gs0.Set("BM", core.MakeName("Normal"))
+	if img.opacity < 1.0 {
+		gs0.Set("CA", core.MakeFloat(img.opacity))
+		gs0.Set("ca", core.MakeFloat(img.opacity))
+	}
+
+	err = blk.resources.AddExtGState(gsName, core.MakeIndirectObject(gs0))
+	if err != nil {
+		return ctx, err
+	}
+
+	xPos := ctx.X
+	yPos := ctx.PageHeight - ctx.Y - img.Height()
+	angle := img.angle
+
+	// Create content stream to add to the Page contents.
+	contentCreator := contentstream.NewContentCreator()
+
+	contentCreator.Add_gs(gsName) // Set graphics state.
+
+	contentCreator.Translate(xPos, yPos)
+	if angle != 0 {
+		// Make the rotation about the upper left corner.
+		contentCreator.Translate(0, img.Height())
+		contentCreator.RotateDeg(angle)
+		contentCreator.Translate(0, -img.Height())
+	}
+
+	contentCreator.
+		Scale(img.Width(), img.Height()).
+		Add_Do(imgName) // Draw the image.
+
+	ops := contentCreator.Operations()
+	ops.WrapIfNeeded()
+
+	blk.addContents(ops)
+
+	if img.positioning.isRelative() {
+		ctx.Y += img.Height()
+		ctx.Height -= img.Height()
+		return ctx, nil
+	}
+	// Absolute positioning - return original context.
+	return origCtx, nil
+}

internal/pdf/creator/line.go

@@ -0,0 +1,85 @@
+package creator
+
+import (
+	"math"
+
+	"gitea.tecamino.com/paadi/pdfmerge/internal/pdf/contentstream/draw"
+	"gitea.tecamino.com/paadi/pdfmerge/internal/pdf/model"
+)
+
+// Line defines a line between point 1 (X1,Y1) and point 2 (X2,Y2).  The line ending styles can be none (regular line),
+// or arrows at either end.  The line also has a specified width, color and opacity.
+// Implements the Drawable interface and can be drawn on PDF using the Creator.
+type Line struct {
+	x1        float64
+	y1        float64
+	x2        float64
+	y2        float64
+	lineColor *model.PdfColorDeviceRGB
+	lineWidth float64
+}
+
+// NewLine creates a new Line with default parameters between (x1,y1) to (x2,y2).
+func NewLine(x1, y1, x2, y2 float64) *Line {
+	l := &Line{}
+
+	l.x1 = x1
+	l.y1 = y1
+	l.x2 = x2
+	l.y2 = y2
+
+	l.lineColor = model.NewPdfColorDeviceRGB(0, 0, 0)
+	l.lineWidth = 1.0
+
+	return l
+}
+
+// GetCoords returns the (x1, y1), (x2, y2) points defining the Line.
+func (l *Line) GetCoords() (float64, float64, float64, float64) {
+	return l.x1, l.y1, l.x2, l.y2
+}
+
+// SetLineWidth sets the line width.
+func (l *Line) SetLineWidth(lw float64) {
+	l.lineWidth = lw
+}
+
+// SetColor sets the line color.
+// Use ColorRGBFromHex, ColorRGBFrom8bit or ColorRGBFromArithmetic to make the color object.
+func (l *Line) SetColor(col Color) {
+	l.lineColor = model.NewPdfColorDeviceRGB(col.ToRGB())
+}
+
+// Length calculates and returns the line length.
+func (l *Line) Length() float64 {
+	return math.Sqrt(math.Pow(l.x2-l.x1, 2.0) + math.Pow(l.y2-l.y1, 2.0))
+}
+
+// GeneratePageBlocks draws the line on a new block representing the page. Implements the Drawable interface.
+func (l *Line) GeneratePageBlocks(ctx DrawContext) ([]*Block, DrawContext, error) {
+	block := NewBlock(ctx.PageWidth, ctx.PageHeight)
+
+	drawline := draw.Line{
+		LineWidth:        l.lineWidth,
+		Opacity:          1.0,
+		LineColor:        l.lineColor,
+		LineEndingStyle1: draw.LineEndingStyleNone,
+		LineEndingStyle2: draw.LineEndingStyleNone,
+		X1:               l.x1,
+		Y1:               ctx.PageHeight - l.y1,
+		X2:               l.x2,
+		Y2:               ctx.PageHeight - l.y2,
+	}
+
+	contents, _, err := drawline.Draw("")
+	if err != nil {
+		return nil, ctx, err
+	}
+
+	err = block.addContentsByString(string(contents))
+	if err != nil {
+		return nil, ctx, err
+	}
+
+	return []*Block{block}, ctx, nil
+}

internal/pdf/creator/pagebreak.go

@@ -0,0 +1,31 @@
+package creator
+
+// PageBreak represents a page break for a chapter.
+type PageBreak struct {
+}
+
+// NewPageBreak create a new page break.
+func NewPageBreak() *PageBreak {
+	return &PageBreak{}
+}
+
+// GeneratePageBlocks generates a page break block.
+func (p *PageBreak) GeneratePageBlocks(ctx DrawContext) ([]*Block, DrawContext, error) {
+	// Return two empty blocks.  First one simply means that there is nothing more to add at the current page.
+	// The second one starts a new page.
+	blocks := []*Block{
+		NewBlock(ctx.PageWidth, ctx.PageHeight-ctx.Y),
+		NewBlock(ctx.PageWidth, ctx.PageHeight),
+	}
+
+	// New Page. Place context in upper left corner (with margins).
+	ctx.Page++
+	newContext := ctx
+	newContext.Y = ctx.Margins.top
+	newContext.X = ctx.Margins.left
+	newContext.Height = ctx.PageHeight - ctx.Margins.top - ctx.Margins.bottom
+	newContext.Width = ctx.PageWidth - ctx.Margins.left - ctx.Margins.right
+	ctx = newContext
+
+	return blocks, ctx, nil
+}

internal/pdf/creator/paragraph.go

@@ -0,0 +1,525 @@
+package creator
+
+import (
+	"errors"
+	"fmt"
+
+	"gitea.tecamino.com/paadi/pdfmerge/internal/pdf/common"
+	"gitea.tecamino.com/paadi/pdfmerge/internal/pdf/contentstream"
+	"gitea.tecamino.com/paadi/pdfmerge/internal/pdf/core"
+	"gitea.tecamino.com/paadi/pdfmerge/internal/pdf/model"
+	"gitea.tecamino.com/paadi/pdfmerge/internal/pdf/model/fonts"
+	"gitea.tecamino.com/paadi/pdfmerge/internal/pdf/model/textencoding"
+)
+
+// Paragraph represents text drawn with a specified font and can wrap across lines and pages.
+// By default occupies the available width in the drawing context.
+type Paragraph struct {
+	// The input utf-8 text as a string (series of runes).
+	text string
+
+	// The text encoder which can convert the text (as runes) into a series of glyphs and get character metrics.
+	encoder textencoding.TextEncoder
+
+	// The font to be used to draw the text.
+	textFont fonts.Font
+
+	// The font size (points).
+	fontSize float64
+
+	// The line relative height (default 1).
+	lineHeight float64
+
+	// The text color.
+	color model.PdfColorDeviceRGB
+
+	// Text alignment: Align left/right/center/justify.
+	alignment TextAlignment
+
+	// Wrapping properties.
+	enableWrap bool
+	wrapWidth  float64
+
+	// defaultWrap defines whether wrapping has been defined explictly or whether default behavior should
+	// be observed. Default behavior depends on context: normally wrap is expected, except for example in
+	// table cells wrapping is off by default.
+	defaultWrap bool
+
+	// Rotation angle (degrees).
+	angle float64
+
+	// Margins to be applied around the block when drawing on Page.
+	margins margins
+
+	// Positioning: relative / absolute.
+	positioning positioning
+
+	// Absolute coordinates (when in absolute mode).
+	xPos float64
+	yPos float64
+
+	// Scaling factors (1 default).
+	scaleX, scaleY float64
+
+	// Text lines after wrapping to available width.
+	textLines []string
+}
+
+// NewParagraph create a new text paragraph. Uses default parameters: Helvetica, WinAnsiEncoding and wrap enabled
+// with a wrap width of 100 points.
+func NewParagraph(text string) *Paragraph {
+	p := &Paragraph{}
+	p.text = text
+	p.textFont = fonts.NewFontHelvetica()
+	p.SetEncoder(textencoding.NewWinAnsiTextEncoder())
+	p.fontSize = 10
+	p.lineHeight = 1.0
+
+	// TODO: Can we wrap intellectually, only if given width is known?
+	p.enableWrap = true
+	p.defaultWrap = true
+	p.SetColor(ColorRGBFrom8bit(0, 0, 0))
+	p.alignment = TextAlignmentLeft
+	p.angle = 0
+
+	p.scaleX = 1
+	p.scaleY = 1
+
+	p.positioning = positionRelative
+
+	return p
+}
+
+// SetFont sets the Paragraph's font.
+func (p *Paragraph) SetFont(font fonts.Font) {
+	p.textFont = font
+}
+
+// SetFontSize sets the font size in document units (points).
+func (p *Paragraph) SetFontSize(fontSize float64) {
+	p.fontSize = fontSize
+}
+
+// SetTextAlignment sets the horizontal alignment of the text within the space provided.
+func (p *Paragraph) SetTextAlignment(align TextAlignment) {
+	p.alignment = align
+}
+
+// SetEncoder sets the text encoding.
+func (p *Paragraph) SetEncoder(encoder textencoding.TextEncoder) {
+	p.encoder = encoder
+	// Sync with the text font too.
+	// XXX/FIXME: Keep in 1 place only.
+	p.textFont.SetEncoder(encoder)
+}
+
+// SetLineHeight sets the line height (1.0 default).
+func (p *Paragraph) SetLineHeight(lineheight float64) {
+	p.lineHeight = lineheight
+}
+
+// SetText sets the text content of the Paragraph.
+func (p *Paragraph) SetText(text string) {
+	p.text = text
+}
+
+// Text sets the text content of the Paragraph.
+func (p *Paragraph) Text() string {
+	return p.text
+}
+
+// SetEnableWrap sets the line wrapping enabled flag.
+func (p *Paragraph) SetEnableWrap(enableWrap bool) {
+	p.enableWrap = enableWrap
+	p.defaultWrap = false
+}
+
+// SetColor set the color of the Paragraph text.
+//
+// Example:
+//
+//  1. p := NewParagraph("Red paragraph")
+//     // Set to red color with a hex code:
+//     p.SetColor(creator.ColorRGBFromHex("#ff0000"))
+//
+//  2. Make Paragraph green with 8-bit rgb values (0-255 each component)
+//     p.SetColor(creator.ColorRGBFrom8bit(0, 255, 0)
+//
+//  3. Make Paragraph blue with arithmetic (0-1) rgb components.
+//     p.SetColor(creator.ColorRGBFromArithmetic(0, 0, 1.0)
+func (p *Paragraph) SetColor(col Color) {
+	pdfColor := model.NewPdfColorDeviceRGB(col.ToRGB())
+	p.color = *pdfColor
+}
+
+// SetPos sets absolute positioning with specified coordinates.
+func (p *Paragraph) SetPos(x, y float64) {
+	p.positioning = positionAbsolute
+	p.xPos = x
+	p.yPos = y
+}
+
+// SetAngle sets the rotation angle of the text.
+func (p *Paragraph) SetAngle(angle float64) {
+	p.angle = angle
+}
+
+// SetMargins sets the Paragraph's margins.
+func (p *Paragraph) SetMargins(left, right, top, bottom float64) {
+	p.margins.left = left
+	p.margins.right = right
+	p.margins.top = top
+	p.margins.bottom = bottom
+}
+
+// GetMargins returns the Paragraph's margins: left, right, top, bottom.
+func (p *Paragraph) GetMargins() (float64, float64, float64, float64) {
+	return p.margins.left, p.margins.right, p.margins.top, p.margins.bottom
+}
+
+// SetWidth sets the the Paragraph width. This is essentially the wrapping width, i.e. the width the text can extend to
+// prior to wrapping over to next line.
+func (p *Paragraph) SetWidth(width float64) {
+	p.wrapWidth = width
+	p.wrapText()
+}
+
+// Width returns the width of the Paragraph.
+func (p *Paragraph) Width() float64 {
+	if p.enableWrap {
+		return p.wrapWidth
+	}
+	return p.getTextWidth() / 1000.0
+}
+
+// Height returns the height of the Paragraph. The height is calculated based on the input text and how it is wrapped
+// within the container. Does not include Margins.
+func (p *Paragraph) Height() float64 {
+	if len(p.textLines) == 0 {
+		p.wrapText()
+	}
+
+	h := float64(len(p.textLines)) * p.lineHeight * p.fontSize
+	return h
+}
+
+// getTextWidth calculates the text width as if all in one line (not taking wrapping into account).
+func (p *Paragraph) getTextWidth() float64 {
+	w := float64(0.0)
+
+	for _, rune := range p.text {
+		glyph, found := p.encoder.RuneToGlyph(rune)
+		if !found {
+			common.Log.Debug("error! Glyph not found for rune: %s\n", rune)
+			return -1 // XXX/FIXME: return error.
+		}
+
+		// Ignore newline for this.. Handles as if all in one line.
+		if glyph == "controlLF" {
+			continue
+		}
+
+		metrics, found := p.textFont.GetGlyphCharMetrics(glyph)
+		if !found {
+			common.Log.Debug("Glyph char metrics not found! %s\n", glyph)
+			return -1 // XXX/FIXME: return error.
+		}
+		w += p.fontSize * metrics.Wx
+	}
+
+	return w
+}
+
+// Simple algorithm to wrap the text into lines (greedy algorithm - fill the lines).
+// XXX/TODO: Consider the Knuth/Plass algorithm or an alternative.
+func (p *Paragraph) wrapText() error {
+	if !p.enableWrap {
+		p.textLines = []string{p.text}
+		return nil
+	}
+
+	line := []rune{}
+	lineWidth := float64(0.0)
+	p.textLines = []string{}
+
+	runes := []rune(p.text)
+	glyphs := []string{}
+	widths := []float64{}
+
+	for _, val := range runes {
+		glyph, found := p.encoder.RuneToGlyph(val)
+		if !found {
+			common.Log.Debug("error! Glyph not found for rune: %v\n", val)
+			return errors.New("glyph not found for rune") // XXX/FIXME: return error.
+		}
+
+		// Newline wrapping.
+		if glyph == "controlLF" {
+			// Moves to next line.
+			p.textLines = append(p.textLines, string(line))
+			line = []rune{}
+			lineWidth = 0
+			widths = []float64{}
+			glyphs = []string{}
+			continue
+		}
+
+		metrics, found := p.textFont.GetGlyphCharMetrics(glyph)
+		if !found {
+			common.Log.Debug("Glyph char metrics not found! %s\n", glyph)
+			return errors.New("glyph char metrics missing") // XXX/FIXME: return error.
+		}
+
+		w := p.fontSize * metrics.Wx
+		if lineWidth+w > p.wrapWidth*1000.0 {
+			// Goes out of bounds: Wrap.
+			// Breaks on the character.
+			// XXX/TODO: when goes outside: back up to next space, otherwise break on the character.
+			idx := -1
+			for i := len(glyphs) - 1; i >= 0; i-- {
+				if glyphs[i] == "space" {
+					idx = i
+					break
+				}
+			}
+			if idx > 0 {
+				p.textLines = append(p.textLines, string(line[0:idx+1]))
+
+				line = line[idx+1:]
+				line = append(line, val)
+
+				glyphs = glyphs[idx+1:]
+				glyphs = append(glyphs, glyph)
+				widths = widths[idx+1:]
+				widths = append(widths, w)
+
+				lineWidth = 0
+				for _, width := range widths {
+					lineWidth += width
+				}
+
+			} else {
+				p.textLines = append(p.textLines, string(line))
+				line = []rune{val}
+				lineWidth = w
+				widths = []float64{w}
+				glyphs = []string{glyph}
+			}
+		} else {
+			line = append(line, val)
+			lineWidth += w
+			glyphs = append(glyphs, glyph)
+			widths = append(widths, w)
+		}
+	}
+	if len(line) > 0 {
+		p.textLines = append(p.textLines, string(line))
+	}
+
+	return nil
+}
+
+// GeneratePageBlocks generates the page blocks.  Multiple blocks are generated if the contents wrap over
+// multiple pages. Implements the Drawable interface.
+func (p *Paragraph) GeneratePageBlocks(ctx DrawContext) ([]*Block, DrawContext, error) {
+	origContext := ctx
+	blocks := []*Block{}
+
+	blk := NewBlock(ctx.PageWidth, ctx.PageHeight)
+	if p.positioning.isRelative() {
+		// Account for Paragraph Margins.
+		ctx.X += p.margins.left
+		ctx.Y += p.margins.top
+		ctx.Width -= p.margins.left + p.margins.right
+		ctx.Height -= p.margins.top + p.margins.bottom
+
+		// Use available space.
+		p.SetWidth(ctx.Width)
+
+		if p.Height() > ctx.Height {
+			// Goes out of the bounds.  Write on a new template instead and create a new context at upper
+			// left corner.
+			// XXX/TODO: Handle case when Paragraph is larger than the Page...
+			// Should be fine if we just break on the paragraph, i.e. splitting it up over 2+ pages
+
+			blocks = append(blocks, blk)
+			blk = NewBlock(ctx.PageWidth, ctx.PageHeight)
+
+			// New Page.
+			ctx.Page++
+			newContext := ctx
+			newContext.Y = ctx.Margins.top // + p.Margins.top
+			newContext.X = ctx.Margins.left + p.margins.left
+			newContext.Height = ctx.PageHeight - ctx.Margins.top - ctx.Margins.bottom - p.margins.bottom
+			newContext.Width = ctx.PageWidth - ctx.Margins.left - ctx.Margins.right - p.margins.left - p.margins.right
+			ctx = newContext
+		}
+	} else {
+		// Absolute.
+		if p.wrapWidth == 0 {
+			// Use necessary space.
+			p.SetWidth(p.getTextWidth())
+		}
+		ctx.X = p.xPos
+		ctx.Y = p.yPos
+	}
+
+	// Place the Paragraph on the template at position (x,y) based on the ctx.
+	ctx, err := drawParagraphOnBlock(blk, p, ctx)
+	if err != nil {
+		common.Log.Debug("error: %v", err)
+		return nil, ctx, err
+	}
+
+	blocks = append(blocks, blk)
+	if p.positioning.isRelative() {
+		ctx.X -= p.margins.left // Move back.
+		ctx.Width = origContext.Width
+		return blocks, ctx, nil
+	}
+	// Absolute: not changing the context.
+	return blocks, origContext, nil
+}
+
+// Draw block on specified location on Page, adding to the content stream.
+func drawParagraphOnBlock(blk *Block, p *Paragraph, ctx DrawContext) (DrawContext, error) {
+	// Find a free name for the font.
+	num := 1
+	fontName := core.PdfObjectName(fmt.Sprintf("Font%d", num))
+	for blk.resources.HasFontByName(fontName) {
+		num++
+		fontName = core.PdfObjectName(fmt.Sprintf("Font%d", num))
+	}
+
+	// Add to the Page resources.
+	err := blk.resources.SetFontByName(fontName, p.textFont.ToPdfObject())
+	if err != nil {
+		return ctx, err
+	}
+
+	// Wrap the text into lines.
+	p.wrapText()
+
+	// Create the content stream.
+	cc := contentstream.NewContentCreator()
+	cc.Add_q()
+
+	yPos := ctx.PageHeight - ctx.Y - p.fontSize*p.lineHeight
+
+	cc.Translate(ctx.X, yPos)
+	if p.angle != 0 {
+		cc.RotateDeg(p.angle)
+	}
+
+	cc.Add_BT().
+		Add_rg(p.color.R(), p.color.G(), p.color.B()).
+		Add_Tf(fontName, p.fontSize).
+		Add_TL(p.fontSize * p.lineHeight)
+
+	for idx, line := range p.textLines {
+		if idx != 0 {
+			// Move to next line if not first.
+			cc.Add_Tstar()
+		}
+
+		runes := []rune(line)
+
+		// Get width of the line (excluding spaces).
+		w := float64(0)
+		spaces := 0
+		for _, runeVal := range runes {
+			glyph, found := p.encoder.RuneToGlyph(runeVal)
+			if !found {
+				common.Log.Debug("Rune 0x%x not supported by text encoder", runeVal)
+				return ctx, errors.New("unsupported rune in text encoding")
+			}
+			if glyph == "space" {
+				spaces++
+				continue
+			}
+			if glyph == "controlLF" {
+				continue
+			}
+			metrics, found := p.textFont.GetGlyphCharMetrics(glyph)
+			if !found {
+				common.Log.Debug("Unsupported glyph %s in font\n", glyph)
+				return ctx, errors.New("unsupported text glyph")
+			}
+
+			w += p.fontSize * metrics.Wx
+		}
+
+		objs := []core.PdfObject{}
+
+		spaceMetrics, found := p.textFont.GetGlyphCharMetrics("space")
+		if !found {
+			return ctx, errors.New("the font does not have a space glyph")
+		}
+		spaceWidth := spaceMetrics.Wx
+		switch p.alignment {
+		case TextAlignmentJustify:
+			if spaces > 0 && idx < len(p.textLines)-1 { // Not to justify last line.
+				spaceWidth = (p.wrapWidth*1000.0 - w) / float64(spaces) / p.fontSize
+			}
+		case TextAlignmentCenter:
+			// Start with a shift.
+			textWidth := w + float64(spaces)*spaceWidth*p.fontSize
+			shift := (p.wrapWidth*1000.0 - textWidth) / 2 / p.fontSize
+			objs = append(objs, core.MakeFloat(-shift))
+		case TextAlignmentRight:
+			textWidth := w + float64(spaces)*spaceWidth*p.fontSize
+			shift := (p.wrapWidth*1000.0 - textWidth) / p.fontSize
+			objs = append(objs, core.MakeFloat(-shift))
+		}
+
+		encStr := ""
+		for _, runeVal := range runes {
+			//creator.Add_Tj(core.PdfObjectString(tb.Encoder.Encode(line)))
+			glyph, found := p.encoder.RuneToGlyph(runeVal)
+			if !found {
+				common.Log.Debug("Rune 0x%x not supported by text encoder", runeVal)
+				return ctx, errors.New("unsupported rune in text encoding")
+			}
+
+			if glyph == "space" {
+				if !found {
+					common.Log.Debug("Unsupported glyph %s in font\n", glyph)
+					return ctx, errors.New("unsupported text glyph")
+				}
+
+				if len(encStr) > 0 {
+					objs = append(objs, core.MakeString(encStr))
+					encStr = ""
+				}
+				objs = append(objs, core.MakeFloat(-spaceWidth))
+			} else {
+				encStr += string(p.encoder.Encode(string(runeVal)))
+			}
+		}
+		if len(encStr) > 0 {
+			objs = append(objs, core.MakeString(encStr))
+		}
+
+		cc.Add_TJ(objs...)
+	}
+	cc.Add_ET()
+	cc.Add_Q()
+
+	ops := cc.Operations()
+	ops.WrapIfNeeded()
+
+	blk.addContents(ops)
+
+	if p.positioning.isRelative() {
+		pHeight := p.Height() + p.margins.bottom
+		ctx.Y += pHeight
+		ctx.Height -= pHeight
+
+		// If the division is inline, calculate context new X coordinate.
+		if ctx.Inline {
+			ctx.X += p.Width() + p.margins.right
+		}
+	}
+
+	return ctx, nil
+}

internal/pdf/creator/rectangle.go

@@ -0,0 +1,88 @@
+package creator
+
+import (
+	"gitea.tecamino.com/paadi/pdfmerge/internal/pdf/contentstream/draw"
+	"gitea.tecamino.com/paadi/pdfmerge/internal/pdf/model"
+)
+
+// Rectangle defines a rectangle with upper left corner at (x,y) and a specified width and height.  The rectangle
+// can have a colored fill and/or border with a specified width.
+// Implements the Drawable interface and can be drawn on PDF using the Creator.
+type Rectangle struct {
+	x           float64 // Upper left corner
+	y           float64
+	width       float64
+	height      float64
+	fillColor   *model.PdfColorDeviceRGB
+	borderColor *model.PdfColorDeviceRGB
+	borderWidth float64
+}
+
+// NewRectangle creates a new Rectangle with default parameters with left corner at (x,y) and width, height as specified.
+func NewRectangle(x, y, width, height float64) *Rectangle {
+	rect := &Rectangle{}
+
+	rect.x = x
+	rect.y = y
+	rect.width = width
+	rect.height = height
+
+	rect.borderColor = model.NewPdfColorDeviceRGB(0, 0, 0)
+	rect.borderWidth = 1.0
+
+	return rect
+}
+
+// GetCoords returns coordinates of the Rectangle's upper left corner (x,y).
+func (rect *Rectangle) GetCoords() (float64, float64) {
+	return rect.x, rect.y
+}
+
+// SetBorderWidth sets the border width.
+func (rect *Rectangle) SetBorderWidth(bw float64) {
+	rect.borderWidth = bw
+}
+
+// SetBorderColor sets border color.
+func (rect *Rectangle) SetBorderColor(col Color) {
+	rect.borderColor = model.NewPdfColorDeviceRGB(col.ToRGB())
+}
+
+// SetFillColor sets the fill color.
+func (rect *Rectangle) SetFillColor(col Color) {
+	rect.fillColor = model.NewPdfColorDeviceRGB(col.ToRGB())
+}
+
+// GeneratePageBlocks draws the rectangle on a new block representing the page. Implements the Drawable interface.
+func (rect *Rectangle) GeneratePageBlocks(ctx DrawContext) ([]*Block, DrawContext, error) {
+	block := NewBlock(ctx.PageWidth, ctx.PageHeight)
+
+	drawrect := draw.Rectangle{
+		Opacity: 1.0,
+		X:       rect.x,
+		Y:       ctx.PageHeight - rect.y - rect.height,
+		Height:  rect.height,
+		Width:   rect.width,
+	}
+	if rect.fillColor != nil {
+		drawrect.FillEnabled = true
+		drawrect.FillColor = rect.fillColor
+	}
+	if rect.borderColor != nil && rect.borderWidth > 0 {
+		drawrect.BorderEnabled = true
+		drawrect.BorderColor = rect.borderColor
+		drawrect.BorderWidth = rect.borderWidth
+	}
+
+	contents, _, err := drawrect.Draw("")
+	if err != nil {
+		return nil, ctx, err
+	}
+
+	err = block.addContentsByString(string(contents))
+	if err != nil {
+		return nil, ctx, err
+	}
+
+	return []*Block{block}, ctx, nil
+}

internal/pdf/creator/styled_paragraph.go

@@ -0,0 +1,638 @@
+package creator
+
+import (
+	"errors"
+	"fmt"
+	"strings"
+	"unicode"
+
+	"gitea.tecamino.com/paadi/pdfmerge/internal/pdf/common"
+	"gitea.tecamino.com/paadi/pdfmerge/internal/pdf/contentstream"
+	"gitea.tecamino.com/paadi/pdfmerge/internal/pdf/core"
+	"gitea.tecamino.com/paadi/pdfmerge/internal/pdf/model/textencoding"
+)
+
+// StyledParagraph represents text drawn with a specified font and can wrap across lines and pages.
+// By default occupies the available width in the drawing context.
+type StyledParagraph struct {
+	// Text chunks with styles that compose the paragraph
+	chunks []TextChunk
+
+	// Style used for the paragraph for spacing and offsets
+	defaultStyle TextStyle
+
+	// The text encoder which can convert the text (as runes) into a series of glyphs and get character metrics.
+	encoder textencoding.TextEncoder
+
+	// Text alignment: Align left/right/center/justify.
+	alignment TextAlignment
+
+	// The line relative height (default 1).
+	lineHeight float64
+
+	// Wrapping properties.
+	enableWrap bool
+	wrapWidth  float64
+
+	// defaultWrap defines whether wrapping has been defined explictly or whether default behavior should
+	// be observed. Default behavior depends on context: normally wrap is expected, except for example in
+	// table cells wrapping is off by default.
+	defaultWrap bool
+
+	// Rotation angle (degrees).
+	angle float64
+
+	// Margins to be applied around the block when drawing on Page.
+	margins margins
+
+	// Positioning: relative / absolute.
+	positioning positioning
+
+	// Absolute coordinates (when in absolute mode).
+	xPos float64
+	yPos float64
+
+	// Scaling factors (1 default).
+	scaleX float64
+	scaleY float64
+
+	// Text chunk lines after wrapping to available width.
+	lines [][]TextChunk
+}
+
+// NewStyledParagraph creates a new styled paragraph.
+// Uses default parameters: Helvetica, WinAnsiEncoding and wrap enabled
+// with a wrap width of 100 points.
+func NewStyledParagraph(text string, style TextStyle) *StyledParagraph {
+	// TODO: Can we wrap intellectually, only if given width is known?
+	p := &StyledParagraph{
+		chunks: []TextChunk{
+			{
+				Text:  text,
+				Style: style,
+			},
+		},
+		defaultStyle: NewTextStyle(),
+		lineHeight:   1.0,
+		alignment:    TextAlignmentLeft,
+		enableWrap:   true,
+		defaultWrap:  true,
+		angle:        0,
+		scaleX:       1,
+		scaleY:       1,
+		positioning:  positionRelative,
+	}
+
+	p.SetEncoder(textencoding.NewWinAnsiTextEncoder())
+	return p
+}
+
+// Append adds a new text chunk with a specified style to the paragraph.
+func (p *StyledParagraph) Append(text string, style TextStyle) {
+	chunk := TextChunk{
+		Text:  text,
+		Style: style,
+	}
+	chunk.Style.Font.SetEncoder(p.encoder)
+
+	p.chunks = append(p.chunks, chunk)
+	p.wrapText()
+}
+
+// Reset sets the entire text and also the style of the paragraph
+// to those specified. It behaves as if the paragraph was a new one.
+func (p *StyledParagraph) Reset(text string, style TextStyle) {
+	p.chunks = []TextChunk{}
+	p.Append(text, style)
+}
+
+// SetTextAlignment sets the horizontal alignment of the text within the space provided.
+func (p *StyledParagraph) SetTextAlignment(align TextAlignment) {
+	p.alignment = align
+}
+
+// SetEncoder sets the text encoding.
+func (p *StyledParagraph) SetEncoder(encoder textencoding.TextEncoder) {
+	p.encoder = encoder
+	p.defaultStyle.Font.SetEncoder(encoder)
+
+	// Sync with the text font too.
+	// XXX/FIXME: Keep in 1 place only.
+	for _, chunk := range p.chunks {
+		chunk.Style.Font.SetEncoder(encoder)
+	}
+}
+
+// SetLineHeight sets the line height (1.0 default).
+func (p *StyledParagraph) SetLineHeight(lineheight float64) {
+	p.lineHeight = lineheight
+}
+
+// SetEnableWrap sets the line wrapping enabled flag.
+func (p *StyledParagraph) SetEnableWrap(enableWrap bool) {
+	p.enableWrap = enableWrap
+	p.defaultWrap = false
+}
+
+// SetPos sets absolute positioning with specified coordinates.
+func (p *StyledParagraph) SetPos(x, y float64) {
+	p.positioning = positionAbsolute
+	p.xPos = x
+	p.yPos = y
+}
+
+// SetAngle sets the rotation angle of the text.
+func (p *StyledParagraph) SetAngle(angle float64) {
+	p.angle = angle
+}
+
+// SetMargins sets the Paragraph's margins.
+func (p *StyledParagraph) SetMargins(left, right, top, bottom float64) {
+	p.margins.left = left
+	p.margins.right = right
+	p.margins.top = top
+	p.margins.bottom = bottom
+}
+
+// GetMargins returns the Paragraph's margins: left, right, top, bottom.
+func (p *StyledParagraph) GetMargins() (float64, float64, float64, float64) {
+	return p.margins.left, p.margins.right, p.margins.top, p.margins.bottom
+}
+
+// SetWidth sets the the Paragraph width. This is essentially the wrapping width,
+// i.e. the width the text can extend to prior to wrapping over to next line.
+func (p *StyledParagraph) SetWidth(width float64) {
+	p.wrapWidth = width
+	p.wrapText()
+}
+
+// Width returns the width of the Paragraph.
+func (p *StyledParagraph) Width() float64 {
+	if p.enableWrap {
+		return p.wrapWidth
+	}
+
+	return p.getTextWidth() / 1000.0
+}
+
+// Height returns the height of the Paragraph. The height is calculated based on the input text and how it is wrapped
+// within the container. Does not include Margins.
+func (p *StyledParagraph) Height() float64 {
+	if len(p.lines) == 0 {
+		p.wrapText()
+	}
+
+	var height float64
+	for _, line := range p.lines {
+		var lineHeight float64
+		for _, chunk := range line {
+			h := p.lineHeight * chunk.Style.FontSize
+			if h > lineHeight {
+				lineHeight = h
+			}
+		}
+
+		height += lineHeight
+	}
+
+	return height
+}
+
+// getTextWidth calculates the text width as if all in one line (not taking wrapping into account).
+func (p *StyledParagraph) getTextWidth() float64 {
+	var width float64
+	for _, chunk := range p.chunks {
+		style := &chunk.Style
+
+		for _, rune := range chunk.Text {
+			glyph, found := p.encoder.RuneToGlyph(rune)
+			if !found {
+				common.Log.Debug("error! Glyph not found for rune: %s\n", rune)
+
+				// XXX/FIXME: return error.
+				return -1
+			}
+
+			// Ignore newline for this.. Handles as if all in one line.
+			if glyph == "controlLF" {
+				continue
+			}
+
+			metrics, found := style.Font.GetGlyphCharMetrics(glyph)
+			if !found {
+				common.Log.Debug("Glyph char metrics not found! %s\n", glyph)
+
+				// XXX/FIXME: return error.
+				return -1
+			}
+
+			width += style.FontSize * metrics.Wx
+		}
+	}
+
+	return width
+}
+
+// getTextHeight calculates the text height as if all in one line (not taking wrapping into account).
+func (p *StyledParagraph) getTextHeight() float64 {
+	var height float64
+	for _, chunk := range p.chunks {
+		h := chunk.Style.FontSize * p.lineHeight
+		if h > height {
+			height = h
+		}
+	}
+
+	return height
+}
+
+// wrapText splits text into lines. It uses a simple greedy algorithm to wrap
+// fill the lines.
+// XXX/TODO: Consider the Knuth/Plass algorithm or an alternative.
+func (p *StyledParagraph) wrapText() error {
+	if !p.enableWrap {
+		p.lines = [][]TextChunk{p.chunks}
+		return nil
+	}
+
+	p.lines = [][]TextChunk{}
+	var line []TextChunk
+	var lineWidth float64
+
+	for _, chunk := range p.chunks {
+		style := chunk.Style
+
+		var part []rune
+		var glyphs []string
+		var widths []float64
+
+		for _, r := range chunk.Text {
+			glyph, found := p.encoder.RuneToGlyph(r)
+			if !found {
+				common.Log.Debug("error! Glyph not found for rune: %v\n", r)
+
+				// XXX/FIXME: return error.
+				return errors.New("glyph not found for rune")
+			}
+
+			// newline wrapping.
+			if glyph == "controlLF" {
+				// moves to next line.
+				line = append(line, TextChunk{
+					Text:  strings.TrimRightFunc(string(part), unicode.IsSpace),
+					Style: style,
+				})
+				p.lines = append(p.lines, line)
+				line = []TextChunk{}
+
+				lineWidth = 0
+				part = []rune{}
+				widths = []float64{}
+				glyphs = []string{}
+				continue
+			}
+
+			metrics, found := style.Font.GetGlyphCharMetrics(glyph)
+			if !found {
+				common.Log.Debug("Glyph char metrics not found! %s\n", glyph)
+
+				// XXX/FIXME: return error.
+				return errors.New("glyph char metrics missing")
+			}
+
+			w := style.FontSize * metrics.Wx
+			if lineWidth+w > p.wrapWidth*1000.0 {
+				// Goes out of bounds: Wrap.
+				// Breaks on the character.
+				// XXX/TODO: when goes outside: back up to next space,
+				// otherwise break on the character.
+				idx := -1
+				for j := len(glyphs) - 1; j >= 0; j-- {
+					if glyphs[j] == "space" {
+						idx = j
+						break
+					}
+				}
+
+				text := string(part)
+				if idx >= 0 {
+					text = string(part[0 : idx+1])
+
+					part = part[idx+1:]
+					part = append(part, r)
+					glyphs = glyphs[idx+1:]
+					glyphs = append(glyphs, glyph)
+					widths = widths[idx+1:]
+					widths = append(widths, w)
+
+					lineWidth = 0
+					for _, width := range widths {
+						lineWidth += width
+					}
+				} else {
+					lineWidth = w
+					part = []rune{r}
+					glyphs = []string{glyph}
+					widths = []float64{w}
+				}
+
+				line = append(line, TextChunk{
+					Text:  strings.TrimRightFunc(string(text), unicode.IsSpace),
+					Style: style,
+				})
+				p.lines = append(p.lines, line)
+				line = []TextChunk{}
+			} else {
+				lineWidth += w
+				part = append(part, r)
+				glyphs = append(glyphs, glyph)
+				widths = append(widths, w)
+			}
+		}
+
+		if len(part) > 0 {
+			line = append(line, TextChunk{
+				Text:  string(part),
+				Style: style,
+			})
+		}
+	}
+
+	if len(line) > 0 {
+		p.lines = append(p.lines, line)
+	}
+
+	return nil
+}
+
+// GeneratePageBlocks generates the page blocks.  Multiple blocks are generated
+// if the contents wrap over multiple pages. Implements the Drawable interface.
+func (p *StyledParagraph) GeneratePageBlocks(ctx DrawContext) ([]*Block, DrawContext, error) {
+	origContext := ctx
+	blocks := []*Block{}
+
+	blk := NewBlock(ctx.PageWidth, ctx.PageHeight)
+	if p.positioning.isRelative() {
+		// Account for Paragraph Margins.
+		ctx.X += p.margins.left
+		ctx.Y += p.margins.top
+		ctx.Width -= p.margins.left + p.margins.right
+		ctx.Height -= p.margins.top + p.margins.bottom
+
+		// Use available space.
+		p.SetWidth(ctx.Width)
+
+		if p.Height() > ctx.Height {
+			// Goes out of the bounds.  Write on a new template instead and create a new context at upper
+			// left corner.
+			// XXX/TODO: Handle case when Paragraph is larger than the Page...
+			// Should be fine if we just break on the paragraph, i.e. splitting it up over 2+ pages
+
+			blocks = append(blocks, blk)
+			blk = NewBlock(ctx.PageWidth, ctx.PageHeight)
+
+			// New Page.
+			ctx.Page++
+			newContext := ctx
+			newContext.Y = ctx.Margins.top // + p.Margins.top
+			newContext.X = ctx.Margins.left + p.margins.left
+			newContext.Height = ctx.PageHeight - ctx.Margins.top - ctx.Margins.bottom - p.margins.bottom
+			newContext.Width = ctx.PageWidth - ctx.Margins.left - ctx.Margins.right - p.margins.left - p.margins.right
+			ctx = newContext
+		}
+	} else {
+		// Absolute.
+		if p.wrapWidth == 0 {
+			// Use necessary space.
+			p.SetWidth(p.getTextWidth())
+		}
+		ctx.X = p.xPos
+		ctx.Y = p.yPos
+	}
+
+	// Place the Paragraph on the template at position (x,y) based on the ctx.
+	ctx, err := drawStyledParagraphOnBlock(blk, p, ctx)
+	if err != nil {
+		common.Log.Debug("error: %v", err)
+		return nil, ctx, err
+	}
+
+	blocks = append(blocks, blk)
+	if p.positioning.isRelative() {
+		ctx.X -= p.margins.left // Move back.
+		ctx.Width = origContext.Width
+		return blocks, ctx, nil
+	}
+	// Absolute: not changing the context.
+	return blocks, origContext, nil
+}
+
+// Draw block on specified location on Page, adding to the content stream.
+func drawStyledParagraphOnBlock(blk *Block, p *StyledParagraph, ctx DrawContext) (DrawContext, error) {
+	// Find first free index for the font resources of the paragraph
+	num := 1
+	fontName := core.PdfObjectName(fmt.Sprintf("Font%d", num))
+	for blk.resources.HasFontByName(fontName) {
+		num++
+		fontName = core.PdfObjectName(fmt.Sprintf("Font%d", num))
+	}
+
+	// Add default font to the page resources
+	err := blk.resources.SetFontByName(fontName, p.defaultStyle.Font.ToPdfObject())
+	if err != nil {
+		return ctx, err
+	}
+	num++
+
+	defaultFontName := fontName
+	defaultFontSize := p.defaultStyle.FontSize
+
+	// Wrap the text into lines.
+	p.wrapText()
+
+	// Add the fonts of all chunks to the page resources
+	fonts := [][]core.PdfObjectName{}
+
+	for _, line := range p.lines {
+		fontLine := []core.PdfObjectName{}
+
+		for _, chunk := range line {
+			fontName = core.PdfObjectName(fmt.Sprintf("Font%d", num))
+
+			err := blk.resources.SetFontByName(fontName, chunk.Style.Font.ToPdfObject())
+			if err != nil {
+				return ctx, err
+			}
+
+			fontLine = append(fontLine, fontName)
+			num++
+		}
+
+		fonts = append(fonts, fontLine)
+	}
+
+	// Create the content stream.
+	cc := contentstream.NewContentCreator()
+	cc.Add_q()
+
+	yPos := ctx.PageHeight - ctx.Y - defaultFontSize*p.lineHeight
+	cc.Translate(ctx.X, yPos)
+
+	if p.angle != 0 {
+		cc.RotateDeg(p.angle)
+	}
+
+	cc.Add_BT()
+
+	for idx, line := range p.lines {
+		if idx != 0 {
+			// Move to next line if not first.
+			cc.Add_Tstar()
+		}
+
+		isLastLine := idx == len(p.lines)-1
+
+		// Get width of the line (excluding spaces).
+		var width float64
+		var spaceWidth float64
+		var spaces uint
+
+		for _, chunk := range line {
+			style := &chunk.Style
+
+			spaceMetrics, found := style.Font.GetGlyphCharMetrics("space")
+			if !found {
+				return ctx, errors.New("the font does not have a space glyph")
+			}
+
+			var chunkSpaces uint
+			for _, r := range chunk.Text {
+				glyph, found := p.encoder.RuneToGlyph(r)
+				if !found {
+					common.Log.Debug("Rune 0x%x not supported by text encoder", r)
+					return ctx, errors.New("unsupported rune in text encoding")
+				}
+
+				if glyph == "space" {
+					chunkSpaces++
+					continue
+				}
+				if glyph == "controlLF" {
+					continue
+				}
+
+				metrics, found := style.Font.GetGlyphCharMetrics(glyph)
+				if !found {
+					common.Log.Debug("Unsupported glyph %s in font\n", glyph)
+					return ctx, errors.New("unsupported text glyph")
+				}
+
+				width += style.FontSize * metrics.Wx
+			}
+
+			spaceWidth += float64(chunkSpaces) * spaceMetrics.Wx * style.FontSize
+			spaces += chunkSpaces
+		}
+
+		// Add line shifts
+		objs := []core.PdfObject{}
+		switch p.alignment {
+		case TextAlignmentJustify:
+			// Not to justify last line.
+			if spaces > 0 && !isLastLine {
+				spaceWidth = (p.wrapWidth*1000.0 - width) / float64(spaces) / defaultFontSize
+			}
+		case TextAlignmentCenter:
+			// Start with a shift.
+			shift := (p.wrapWidth*1000.0 - width - spaceWidth) / 2 / defaultFontSize
+			objs = append(objs, core.MakeFloat(-shift))
+		case TextAlignmentRight:
+			shift := (p.wrapWidth*1000.0 - width - spaceWidth) / defaultFontSize
+			objs = append(objs, core.MakeFloat(-shift))
+		}
+
+		if len(objs) > 0 {
+			cc.Add_Tf(defaultFontName, defaultFontSize).
+				Add_TL(defaultFontSize * p.lineHeight).
+				Add_TJ(objs...)
+		}
+
+		// Render line text chunks
+		for k, chunk := range line {
+			style := &chunk.Style
+
+			r, g, b := style.Color.ToRGB()
+			fontName := defaultFontName
+			fontSize := defaultFontSize
+
+			if p.alignment != TextAlignmentJustify || isLastLine {
+				spaceMetrics, found := style.Font.GetGlyphCharMetrics("space")
+				if !found {
+					return ctx, errors.New("the font does not have a space glyph")
+				}
+
+				fontName = fonts[idx][k]
+				fontSize = style.FontSize
+				spaceWidth = spaceMetrics.Wx
+			}
+
+			encStr := ""
+			for _, rn := range chunk.Text {
+				glyph, found := p.encoder.RuneToGlyph(rn)
+				if !found {
+					common.Log.Debug("Rune 0x%x not supported by text encoder", r)
+					return ctx, errors.New("unsupported rune in text encoding")
+				}
+
+				if glyph == "space" {
+					if !found {
+						common.Log.Debug("Unsupported glyph %s in font\n", glyph)
+						return ctx, errors.New("unsupported text glyph")
+					}
+
+					if len(encStr) > 0 {
+						cc.Add_rg(r, g, b).
+							Add_Tf(fonts[idx][k], style.FontSize).
+							Add_TL(style.FontSize * p.lineHeight).
+							Add_TJ([]core.PdfObject{core.MakeString(encStr)}...)
+
+						encStr = ""
+					}
+
+					cc.Add_Tf(fontName, fontSize).
+						Add_TL(fontSize * p.lineHeight).
+						Add_TJ([]core.PdfObject{core.MakeFloat(-spaceWidth)}...)
+				} else {
+					encStr += p.encoder.Encode(string(rn))
+				}
+			}
+
+			if len(encStr) > 0 {
+				cc.Add_rg(r, g, b).
+					Add_Tf(fonts[idx][k], style.FontSize).
+					Add_TL(style.FontSize * p.lineHeight).
+					Add_TJ([]core.PdfObject{core.MakeString(encStr)}...)
+			}
+		}
+	}
+	cc.Add_ET()
+	cc.Add_Q()
+
+	ops := cc.Operations()
+	ops.WrapIfNeeded()
+
+	blk.addContents(ops)
+
+	if p.positioning.isRelative() {
+		pHeight := p.Height() + p.margins.bottom
+		ctx.Y += pHeight
+		ctx.Height -= pHeight
+
+		// If the division is inline, calculate context new X coordinate.
+		if ctx.Inline {
+			ctx.X += p.Width() + p.margins.right
+		}
+	}
+
+	return ctx, nil
+}

internal/pdf/creator/subchapter.go

@@ -0,0 +1,179 @@
+package creator
+
+import (
+	"fmt"
+
+	"gitea.tecamino.com/paadi/pdfmerge/internal/pdf/common"
+	"gitea.tecamino.com/paadi/pdfmerge/internal/pdf/model/fonts"
+)
+
+// Subchapter simply represents a sub chapter pertaining to a specific Chapter.  It can contain multiple
+// Drawables, just like a chapter.
+type Subchapter struct {
+	chapterNum    int
+	subchapterNum int
+	title         string
+	heading       *Paragraph
+
+	contents []Drawable
+
+	// Show chapter numbering
+	showNumbering bool
+
+	// Include in TOC.
+	includeInTOC bool
+
+	// Positioning: relative / absolute.
+	positioning positioning
+
+	// Margins to be applied around the block when drawing on Page.
+	margins margins
+
+	// Reference to the creator's TOC.
+	toc *TableOfContents
+}
+
+// NewSubchapter creates a new Subchapter under Chapter ch with specified title.
+// All other parameters are set to their defaults.
+func (c *Creator) NewSubchapter(ch *Chapter, title string) *Subchapter {
+	subchap := &Subchapter{}
+
+	ch.subchapters++
+	subchap.subchapterNum = ch.subchapters
+
+	subchap.chapterNum = ch.number
+	subchap.title = title
+
+	heading := fmt.Sprintf("%d.%d %s", subchap.chapterNum, subchap.subchapterNum, title)
+	p := NewParagraph(heading)
+
+	p.SetFontSize(14)
+	p.SetFont(fonts.NewFontHelvetica()) // bold?
+
+	subchap.showNumbering = true
+	subchap.includeInTOC = true
+
+	subchap.heading = p
+	subchap.contents = []Drawable{}
+
+	// Add subchapter to ch.
+	ch.Add(subchap)
+
+	// Keep a reference for toc.
+	subchap.toc = c.toc
+
+	return subchap
+}
+
+// SetShowNumbering sets a flag to indicate whether or not to show chapter numbers as part of title.
+func (subchap *Subchapter) SetShowNumbering(show bool) {
+	if show {
+		heading := fmt.Sprintf("%d.%d. %s", subchap.chapterNum, subchap.subchapterNum, subchap.title)
+		subchap.heading.SetText(heading)
+	} else {
+		heading := subchap.title
+		subchap.heading.SetText(heading)
+	}
+	subchap.showNumbering = show
+}
+
+// SetIncludeInTOC sets a flag to indicate whether or not to include in the table of contents.
+func (subchap *Subchapter) SetIncludeInTOC(includeInTOC bool) {
+	subchap.includeInTOC = includeInTOC
+}
+
+// GetHeading returns the Subchapter's heading Paragraph to address style (font type, size, etc).
+func (subchap *Subchapter) GetHeading() *Paragraph {
+	return subchap.heading
+}
+
+// Set absolute coordinates.
+/*
+func (subchap *subchapter) SetPos(x, y float64) {
+	subchap.positioning = positionAbsolute
+	subchap.xPos = x
+	subchap.yPos = y
+}
+*/
+
+// SetMargins sets the Subchapter's margins (left, right, top, bottom).
+// These margins are typically not needed as the Creator's page margins are used preferably.
+func (subchap *Subchapter) SetMargins(left, right, top, bottom float64) {
+	subchap.margins.left = left
+	subchap.margins.right = right
+	subchap.margins.top = top
+	subchap.margins.bottom = bottom
+}
+
+// GetMargins returns the Subchapter's margins: left, right, top, bottom.
+func (subchap *Subchapter) GetMargins() (float64, float64, float64, float64) {
+	return subchap.margins.left, subchap.margins.right, subchap.margins.top, subchap.margins.bottom
+}
+
+// Add adds a new Drawable to the chapter.
+// The currently supported Drawables are: *Paragraph, *Image, *Block, *Table.
+func (subchap *Subchapter) Add(d Drawable) {
+	switch d.(type) {
+	case *Chapter, *Subchapter:
+		common.Log.Debug("error: Cannot add chapter or subchapter to a subchapter")
+	case *Paragraph, *Image, *Block, *Table, *PageBreak:
+		subchap.contents = append(subchap.contents, d)
+	default:
+		common.Log.Debug("Unsupported: %T", d)
+	}
+}
+
+// GeneratePageBlocks generates the page blocks.  Multiple blocks are generated if the contents wrap over
+// multiple pages. Implements the Drawable interface.
+func (subchap *Subchapter) GeneratePageBlocks(ctx DrawContext) ([]*Block, DrawContext, error) {
+	origCtx := ctx
+
+	if subchap.positioning.isRelative() {
+		// Update context.
+		ctx.X += subchap.margins.left
+		ctx.Y += subchap.margins.top
+		ctx.Width -= subchap.margins.left + subchap.margins.right
+		ctx.Height -= subchap.margins.top
+	}
+
+	blocks, ctx, err := subchap.heading.GeneratePageBlocks(ctx)
+	if err != nil {
+		return blocks, ctx, err
+	}
+	if len(blocks) > 1 {
+		ctx.Page++ // did not fit - moved to next Page.
+	}
+	if subchap.includeInTOC {
+		// Add to TOC.
+		subchap.toc.add(subchap.title, subchap.chapterNum, subchap.subchapterNum, ctx.Page)
+	}
+
+	for _, d := range subchap.contents {
+		newBlocks, c, err := d.GeneratePageBlocks(ctx)
+		if err != nil {
+			return blocks, ctx, err
+		}
+		if len(newBlocks) < 1 {
+			continue
+		}
+
+		// The first block is always appended to the last..
+		blocks[len(blocks)-1].mergeBlocks(newBlocks[0])
+		blocks = append(blocks, newBlocks[1:]...)
+
+		ctx = c
+	}
+
+	if subchap.positioning.isRelative() {
+		// Move back X to same start of line.
+		ctx.X = origCtx.X
+	}
+
+	if subchap.positioning.isAbsolute() {
+		// If absolute: return original context.
+		return blocks, origCtx, nil
+
+	}
+
+	return blocks, ctx, nil
+}

internal/pdf/creator/table.go

@@ -0,0 +1,628 @@
+package creator
+
+import (
+	"errors"
+
+	"gitea.tecamino.com/paadi/pdfmerge/internal/pdf/common"
+	"gitea.tecamino.com/paadi/pdfmerge/internal/pdf/model"
+)
+
+// Table allows organizing content in an rows X columns matrix, which can spawn across multiple pages.
+type Table struct {
+	// Number of rows and columns.
+	rows int
+	cols int
+
+	// Current cell.  Current cell in the table.
+	// For 4x4 table, if in the 2nd row, 3rd column, then
+	// curCell = 4+3 = 7
+	curCell int
+
+	// Column width fractions: should add up to 1.
+	colWidths []float64
+
+	// Row heights.
+	rowHeights []float64
+
+	// Default row height.
+	defaultRowHeight float64
+
+	// Content cells.
+	cells []*TableCell
+
+	// Positioning: relative / absolute.
+	positioning positioning
+
+	// Absolute coordinates (when in absolute mode).
+	xPos, yPos float64
+
+	// Margins to be applied around the block when drawing on Page.
+	margins margins
+}
+
+// NewTable create a new Table with a specified number of columns.
+func NewTable(cols int) *Table {
+	t := &Table{}
+	t.rows = 0
+	t.cols = cols
+
+	t.curCell = 0
+
+	// Initialize column widths as all equal.
+	t.colWidths = []float64{}
+	colWidth := float64(1.0) / float64(cols)
+	for i := 0; i < cols; i++ {
+		t.colWidths = append(t.colWidths, colWidth)
+	}
+
+	t.rowHeights = []float64{}
+
+	// Default row height
+	// XXX/TODO: Base on contents instead?
+	t.defaultRowHeight = 10.0
+
+	t.cells = []*TableCell{}
+
+	return t
+}
+
+// SetColumnWidths sets the fractional column widths.
+// Each width should be in the range 0-1 and is a fraction of the table width.
+// The number of width inputs must match number of columns, otherwise an error is returned.
+func (table *Table) SetColumnWidths(widths ...float64) error {
+	if len(widths) != table.cols {
+		common.Log.Debug("Mismatching number of widths and columns")
+		return errors.New("range check error")
+	}
+
+	table.colWidths = widths
+
+	return nil
+}
+
+// Height returns the total height of all rows.
+func (table *Table) Height() float64 {
+	sum := float64(0.0)
+	for _, h := range table.rowHeights {
+		sum += h
+	}
+
+	return sum
+}
+
+// SetMargins sets the Table's left, right, top, bottom margins.
+func (table *Table) SetMargins(left, right, top, bottom float64) {
+	table.margins.left = left
+	table.margins.right = right
+	table.margins.top = top
+	table.margins.bottom = bottom
+}
+
+// GetMargins returns the left, right, top, bottom Margins.
+func (table *Table) GetMargins() (float64, float64, float64, float64) {
+	return table.margins.left, table.margins.right, table.margins.top, table.margins.bottom
+}
+
+// SetRowHeight sets the height for a specified row.
+func (table *Table) SetRowHeight(row int, h float64) error {
+	if row < 1 || row > len(table.rowHeights) {
+		return errors.New("range check error")
+	}
+
+	table.rowHeights[row-1] = h
+	return nil
+}
+
+// CurRow returns the currently active cell's row number.
+func (table *Table) CurRow() int {
+	curRow := (table.curCell-1)/table.cols + 1
+	return curRow
+}
+
+// CurCol returns the currently active cell's column number.
+func (table *Table) CurCol() int {
+	curCol := (table.curCell-1)%(table.cols) + 1
+	return curCol
+}
+
+// SetPos sets the Table's positioning to absolute mode and specifies the upper-left corner coordinates as (x,y).
+// Note that this is only sensible to use when the table does not wrap over multiple pages.
+// TODO: Should be able to set width too (not just based on context/relative positioning mode).
+func (table *Table) SetPos(x, y float64) {
+	table.positioning = positionAbsolute
+	table.xPos = x
+	table.yPos = y
+}
+
+// GeneratePageBlocks generate the page blocks.  Multiple blocks are generated if the contents wrap over multiple pages.
+// Implements the Drawable interface.
+func (table *Table) GeneratePageBlocks(ctx DrawContext) ([]*Block, DrawContext, error) {
+	blocks := []*Block{}
+	block := NewBlock(ctx.PageWidth, ctx.PageHeight)
+
+	origCtx := ctx
+	if table.positioning.isAbsolute() {
+		ctx.X = table.xPos
+		ctx.Y = table.yPos
+	} else {
+		// Relative mode: add margins.
+		ctx.X += table.margins.left
+		ctx.Y += table.margins.top
+		ctx.Width -= table.margins.left + table.margins.right
+		ctx.Height -= table.margins.bottom + table.margins.top
+	}
+	tableWidth := ctx.Width
+
+	// Store table's upper left corner.
+	ulX := ctx.X
+	ulY := ctx.Y
+
+	ctx.Height = ctx.PageHeight - ctx.Y - ctx.Margins.bottom
+	origHeight := ctx.Height
+
+	// Start row keeps track of starting row (wraps to 0 on new page).
+	startrow := 0
+
+	// Prepare for drawing: Calculate cell dimensions, row, cell heights.
+	for _, cell := range table.cells {
+		// Get total width fraction
+		wf := float64(0.0)
+		for i := 0; i < cell.colspan; i++ {
+			wf += table.colWidths[cell.col+i-1]
+		}
+		// Get x pos relative to table upper left corner.
+		xrel := float64(0.0)
+		for i := 0; i < cell.col-1; i++ {
+			xrel += table.colWidths[i] * tableWidth
+		}
+		// Get y pos relative to table upper left corner.
+		yrel := float64(0.0)
+		for i := startrow; i < cell.row-1; i++ {
+			yrel += table.rowHeights[i]
+		}
+
+		// Calculate the width out of available width.
+		w := wf * tableWidth
+
+		// Get total height.
+		h := float64(0.0)
+		for i := 0; i < cell.rowspan; i++ {
+			h += table.rowHeights[cell.row+i-1]
+		}
+
+		// For text: Calculate width, height, wrapping within available space if specified.
+		switch t := cell.content.(type) {
+		case *Paragraph:
+			p := t
+			if p.enableWrap {
+				p.SetWidth(w - cell.indent)
+			}
+
+			newh := p.Height() + p.margins.bottom + p.margins.bottom
+			newh += 0.5 * p.fontSize * p.lineHeight // TODO: Make the top margin configurable?
+			if newh > h {
+				diffh := newh - h
+				// Add diff to last row.
+				table.rowHeights[cell.row+cell.rowspan-2] += diffh
+			}
+		case *StyledParagraph:
+			sp := t
+			if sp.enableWrap {
+				sp.SetWidth(w - cell.indent)
+			}
+
+			newh := sp.Height() + sp.margins.top + sp.margins.bottom
+			newh += 0.5 * sp.getTextHeight() // TODO: Make the top margin configurable?
+			if newh > h {
+				diffh := newh - h
+				// Add diff to last row.
+				table.rowHeights[cell.row+cell.rowspan-2] += diffh
+			}
+		case *Image:
+			img := t
+			newh := img.Height() + img.margins.top + img.margins.bottom
+			if newh > h {
+				diffh := newh - h
+				// Add diff to last row.
+				table.rowHeights[cell.row+cell.rowspan-2] += diffh
+			}
+		case *Division:
+			div := t
+
+			ctx := DrawContext{
+				X:     xrel,
+				Y:     yrel,
+				Width: w,
+			}
+
+			// Mock call to generate page blocks.
+			divBlocks, updCtx, err := div.GeneratePageBlocks(ctx)
+			if err != nil {
+				return nil, ctx, err
+			}
+
+			if len(divBlocks) > 1 {
+				// Wraps across page, make cell reach all the way to bottom of current page.
+				newh := ctx.Height - h
+				if newh > h {
+					diffh := newh - h
+					// Add diff to last row.
+					table.rowHeights[cell.row+cell.rowspan-2] += diffh
+				}
+			}
+
+			newh := div.Height() + div.margins.top + div.margins.bottom
+			_ = updCtx
+
+			// Get available width and height.
+			if newh > h {
+				diffh := newh - h
+				// Add diff to last row.
+				table.rowHeights[cell.row+cell.rowspan-2] += diffh
+			}
+		}
+
+	}
+
+	// Draw cells.
+	// row height, cell height
+	for _, cell := range table.cells {
+		// Get total width fraction
+		wf := float64(0.0)
+		for i := 0; i < cell.colspan; i++ {
+			wf += table.colWidths[cell.col+i-1]
+		}
+		// Get x pos relative to table upper left corner.
+		xrel := float64(0.0)
+		for i := 0; i < cell.col-1; i++ {
+			xrel += table.colWidths[i] * tableWidth
+		}
+		// Get y pos relative to table upper left corner.
+		yrel := float64(0.0)
+		for i := startrow; i < cell.row-1; i++ {
+			yrel += table.rowHeights[i]
+		}
+
+		// Calculate the width out of available width.
+		w := wf * tableWidth
+
+		// Get total height.
+		h := float64(0.0)
+		for i := 0; i < cell.rowspan; i++ {
+			h += table.rowHeights[cell.row+i-1]
+		}
+
+		ctx.Height = origHeight - yrel
+
+		if h > ctx.Height {
+			// Go to next page.
+			blocks = append(blocks, block)
+			block = NewBlock(ctx.PageWidth, ctx.PageHeight)
+			ulX = ctx.Margins.left
+			ulY = ctx.Margins.top
+			ctx.Height = ctx.PageHeight - ctx.Margins.top - ctx.Margins.bottom
+
+			startrow = cell.row - 1
+			yrel = 0
+		}
+
+		// Height should be how much space there is left of the page.
+		ctx.Width = w
+		ctx.X = ulX + xrel
+		ctx.Y = ulY + yrel
+
+		if cell.backgroundColor != nil {
+			// Draw background (fill)
+			rect := NewRectangle(ctx.X, ctx.Y, w, h)
+			r := cell.backgroundColor.R()
+			g := cell.backgroundColor.G()
+			b := cell.backgroundColor.B()
+			rect.SetFillColor(ColorRGBFromArithmetic(r, g, b))
+			if cell.borderStyle != CellBorderStyleNone {
+				// and border.
+				rect.SetBorderWidth(cell.borderWidth)
+				r := cell.borderColor.R()
+				g := cell.borderColor.G()
+				b := cell.borderColor.B()
+				rect.SetBorderColor(ColorRGBFromArithmetic(r, g, b))
+			} else {
+				rect.SetBorderWidth(0)
+			}
+			err := block.Draw(rect)
+			if err != nil {
+				common.Log.Debug("error: %v\n", err)
+			}
+		} else if cell.borderStyle != CellBorderStyleNone {
+			// Draw border (no fill).
+			rect := NewRectangle(ctx.X, ctx.Y, w, h)
+			rect.SetBorderWidth(cell.borderWidth)
+			r := cell.borderColor.R()
+			g := cell.borderColor.G()
+			b := cell.borderColor.B()
+			rect.SetBorderColor(ColorRGBFromArithmetic(r, g, b))
+			err := block.Draw(rect)
+			if err != nil {
+				common.Log.Debug("error: %v\n", err)
+			}
+		}
+
+		if cell.content != nil {
+			// Account for horizontal alignment:
+			cw := cell.content.Width() // content width.
+			switch cell.horizontalAlignment {
+			case CellHorizontalAlignmentLeft:
+				// Account for indent.
+				ctx.X += cell.indent
+				ctx.Width -= cell.indent
+			case CellHorizontalAlignmentCenter:
+				// Difference between available space and content space.
+				dw := w - cw
+				if dw > 0 {
+					ctx.X += dw / 2
+					ctx.Width -= dw / 2
+				}
+			case CellHorizontalAlignmentRight:
+				if w > cw {
+					ctx.X = ctx.X + w - cw - cell.indent
+					ctx.Width = cw
+				}
+			}
+
+			// Account for vertical alignment.
+			ch := cell.content.Height() // content height.
+			switch cell.verticalAlignment {
+			case CellVerticalAlignmentTop:
+				// Default: do nothing.
+			case CellVerticalAlignmentMiddle:
+				dh := h - ch
+				if dh > 0 {
+					ctx.Y += dh / 2
+					ctx.Height -= dh / 2
+				}
+			case CellVerticalAlignmentBottom:
+				if h > ch {
+					ctx.Y = ctx.Y + h - ch
+					ctx.Height = ch
+				}
+			}
+
+			err := block.DrawWithContext(cell.content, ctx)
+			if err != nil {
+				common.Log.Debug("error: %v\n", err)
+			}
+		}
+
+		ctx.Y += h
+	}
+	blocks = append(blocks, block)
+
+	if table.positioning.isAbsolute() {
+		return blocks, origCtx, nil
+	}
+	// Relative mode.
+	// Move back X after.
+	ctx.X = origCtx.X
+	// Return original width.
+	ctx.Width = origCtx.Width
+	// Add the bottom margin.
+	ctx.Y += table.margins.bottom
+
+	return blocks, ctx, nil
+}
+
+// CellBorderStyle defines the table cell's border style.
+type CellBorderStyle int
+
+// Currently supported table styles are: None (no border) and boxed (line along each side).
+const (
+	// No border
+	CellBorderStyleNone CellBorderStyle = iota
+
+	// Borders along all sides (boxed).
+	CellBorderStyleBox
+)
+
+// CellHorizontalAlignment defines the table cell's horizontal alignment.
+type CellHorizontalAlignment int
+
+// Table cells have three horizontal alignment modes: left, center and right.
+const (
+	// Align cell content on the left (with specified indent); unused space on the right.
+	CellHorizontalAlignmentLeft CellHorizontalAlignment = iota
+
+	// Align cell content in the middle (unused space divided equally on the left/right).
+	CellHorizontalAlignmentCenter
+
+	// Align the cell content on the right; unsued space on the left.
+	CellHorizontalAlignmentRight
+)
+
+// CellVerticalAlignment defines the table cell's vertical alignment.
+type CellVerticalAlignment int
+
+// Table cells have three vertical alignment modes: top, middle and bottom.
+const (
+	// Align cell content vertically to the top; unused space below.
+	CellVerticalAlignmentTop CellVerticalAlignment = iota
+
+	// Align cell content in the middle; unused space divided equally above and below.
+	CellVerticalAlignmentMiddle
+
+	// Align cell content on the bottom; unused space above.
+	CellVerticalAlignmentBottom
+)
+
+// TableCell defines a table cell which can contain a Drawable as content.
+type TableCell struct {
+	// Background
+	backgroundColor *model.PdfColorDeviceRGB
+
+	// Border
+	borderStyle CellBorderStyle
+	borderColor *model.PdfColorDeviceRGB
+	borderWidth float64
+
+	// The row and column which the cell starts from.
+	row, col int
+
+	// Row, column span.
+	rowspan int
+	colspan int
+
+	// Each cell can contain 1 drawable.
+	content VectorDrawable
+
+	// Alignment
+	horizontalAlignment CellHorizontalAlignment
+	verticalAlignment   CellVerticalAlignment
+
+	// Left indent.
+	indent float64
+
+	// Table reference
+	table *Table
+}
+
+// NewCell makes a new cell and inserts into the table at current position in the table.
+func (table *Table) NewCell() *TableCell {
+	table.curCell++
+
+	curRow := (table.curCell-1)/table.cols + 1
+	for curRow > table.rows {
+		table.rows++
+		table.rowHeights = append(table.rowHeights, table.defaultRowHeight)
+	}
+	curCol := (table.curCell-1)%(table.cols) + 1
+
+	cell := &TableCell{}
+	cell.row = curRow
+	cell.col = curCol
+
+	// Default left indent
+	cell.indent = 5
+
+	cell.borderStyle = CellBorderStyleNone
+	cell.borderColor = model.NewPdfColorDeviceRGB(0, 0, 0)
+
+	// Alignment defaults.
+	cell.horizontalAlignment = CellHorizontalAlignmentLeft
+	cell.verticalAlignment = CellVerticalAlignmentTop
+
+	cell.rowspan = 1
+	cell.colspan = 1
+
+	table.cells = append(table.cells, cell)
+
+	// Keep reference to the table.
+	cell.table = table
+
+	return cell
+}
+
+// SkipCells skips over a specified number of cells in the table.
+func (table *Table) SkipCells(num int) {
+	if num < 0 {
+		common.Log.Debug("Table: cannot skip back to previous cells")
+		return
+	}
+	table.curCell += num
+}
+
+// SkipRows skips over a specified number of rows in the table.
+func (table *Table) SkipRows(num int) {
+	ncells := num*table.cols - 1
+	if ncells < 0 {
+		common.Log.Debug("Table: cannot skip back to previous cells")
+		return
+	}
+	table.curCell += ncells
+}
+
+// SkipOver skips over a specified number of rows and cols.
+func (table *Table) SkipOver(rows, cols int) {
+	ncells := rows*table.cols + cols - 1
+	if ncells < 0 {
+		common.Log.Debug("Table: cannot skip back to previous cells")
+		return
+	}
+	table.curCell += ncells
+}
+
+// SetIndent sets the cell's left indent.
+func (cell *TableCell) SetIndent(indent float64) {
+	cell.indent = indent
+}
+
+// SetHorizontalAlignment sets the cell's horizontal alignment of content.
+// Can be one of:
+// - CellHorizontalAlignmentLeft
+// - CellHorizontalAlignmentCenter
+// - CellHorizontalAlignmentRight
+func (cell *TableCell) SetHorizontalAlignment(halign CellHorizontalAlignment) {
+	cell.horizontalAlignment = halign
+}
+
+// SetVerticalAlignment set the cell's vertical alignment of content.
+// Can be one of:
+// - CellHorizontalAlignmentTop
+// - CellHorizontalAlignmentMiddle
+// - CellHorizontalAlignmentBottom
+func (cell *TableCell) SetVerticalAlignment(valign CellVerticalAlignment) {
+	cell.verticalAlignment = valign
+}
+
+// SetBorder sets the cell's border style.
+func (cell *TableCell) SetBorder(style CellBorderStyle, width float64) {
+	cell.borderStyle = style
+	cell.borderWidth = width
+}
+
+// SetBorderColor sets the cell's border color.
+func (cell *TableCell) SetBorderColor(col Color) {
+	cell.borderColor = model.NewPdfColorDeviceRGB(col.ToRGB())
+}
+
+// SetBackgroundColor sets the cell's background color.
+func (cell *TableCell) SetBackgroundColor(col Color) {
+	cell.backgroundColor = model.NewPdfColorDeviceRGB(col.ToRGB())
+}
+
+// Width returns the cell's width based on the input draw context.
+func (cell *TableCell) Width(ctx DrawContext) float64 {
+	fraction := float64(0.0)
+	for j := 0; j < cell.colspan; j++ {
+		fraction += cell.table.colWidths[cell.col+j-1]
+	}
+	w := ctx.Width * fraction
+	return w
+}
+
+// SetContent sets the cell's content.  The content is a VectorDrawable, i.e. a Drawable with a known height and width.
+// The currently supported VectorDrawable is: *Paragraph, *StyledParagraph.
+func (cell *TableCell) SetContent(vd VectorDrawable) error {
+	switch t := vd.(type) {
+	case *Paragraph:
+		if t.defaultWrap {
+			// Default paragraph settings in table: no wrapping.
+			t.enableWrap = false // No wrapping.
+		}
+
+		cell.content = vd
+	case *StyledParagraph:
+		if t.defaultWrap {
+			// Default styled paragraph settings in table: no wrapping.
+			t.enableWrap = false // No wrapping.
+		}
+
+		cell.content = vd
+	case *Image:
+		cell.content = vd
+	case *Division:
+		cell.content = vd
+	default:
+		common.Log.Debug("error: unsupported cell content type %T\n", vd)
+		return errors.New("type check error")
+	}
+
+	return nil
+}

internal/pdf/creator/text_style.go

@@ -0,0 +1,38 @@
+package creator
+
+import (
+	"gitea.tecamino.com/paadi/pdfmerge/internal/pdf/model/fonts"
+	"gitea.tecamino.com/paadi/pdfmerge/internal/pdf/model/textencoding"
+)
+
+// TextStyle is a collection of properties that can be assigned to a chunk of text.
+type TextStyle struct {
+	// The color of the text.
+	Color Color
+
+	// The font the text will use.
+	Font fonts.Font
+
+	// The size of the font.
+	FontSize float64
+}
+
+// NewTextStyle creates a new text style object which can be used with chunks
+// of text. Uses default parameters: Helvetica, WinAnsiEncoding and wrap
+// enabled with a wrap width of 100 points.
+func NewTextStyle() TextStyle {
+	font := fonts.NewFontHelvetica()
+	font.SetEncoder(textencoding.NewWinAnsiTextEncoder())
+
+	return TextStyle{
+		Color:    ColorRGBFrom8bit(0, 0, 0),
+		Font:     font,
+		FontSize: 10,
+	}
+}
+
+// TextChunk represents a chunk of text along with a particular style.
+type TextChunk struct {
+	Text  string
+	Style TextStyle
+}

internal/pdf/creator/toc.go

@@ -0,0 +1,38 @@
+package creator
+
+// TableOfContents provides an overview over chapters and subchapters when creating a document with Creator.
+type TableOfContents struct {
+	entries []TableOfContentsEntry
+}
+
+// Make a new table of contents.
+func newTableOfContents() *TableOfContents {
+	toc := TableOfContents{}
+	toc.entries = []TableOfContentsEntry{}
+	return &toc
+}
+
+// Entries returns the table of content entries.
+func (toc *TableOfContents) Entries() []TableOfContentsEntry {
+	return toc.entries
+}
+
+// Add a TOC entry.
+func (toc *TableOfContents) add(title string, chapter, subchapter, pageNum int) {
+	entry := TableOfContentsEntry{}
+	entry.Title = title
+	entry.Chapter = chapter
+	entry.Subchapter = subchapter
+	entry.PageNumber = pageNum
+
+	toc.entries = append(toc.entries, entry)
+}
+
+// TableOfContentsEntry defines a single entry in the TableOfContents.
+// Each entry has a title, chapter number, sub chapter (0 if chapter) and the page number.
+type TableOfContentsEntry struct {
+	Title      string
+	Chapter    int
+	Subchapter int // 0 if chapter
+	PageNumber int // Page number
+}

internal/pdf/extractor/const.go

@@ -0,0 +1,3 @@
+package extractor
+
+var isTesting = false

internal/pdf/extractor/extractor.go

@@ -0,0 +1,23 @@
+package extractor
+
+import "gitea.tecamino.com/paadi/pdfmerge/internal/pdf/model"
+
+// Extractor stores and offers functionality for extracting content from PDF pages.
+type Extractor struct {
+	contents  string
+	resources *model.PdfPageResources
+}
+
+// New returns an Extractor instance for extracting content from the input PDF page.
+func New(page *model.PdfPage) (*Extractor, error) {
+	contents, err := page.GetAllContentStreams()
+	if err != nil {
+		return nil, err
+	}
+
+	e := &Extractor{}
+	e.contents = contents
+	e.resources = page.Resources
+
+	return e, nil
+}

internal/pdf/extractor/text.go

@@ -0,0 +1,225 @@
+package extractor
+
+import (
+	"bytes"
+	"errors"
+	"fmt"
+
+	"gitea.tecamino.com/paadi/pdfmerge/internal/pdf/cmap"
+	"gitea.tecamino.com/paadi/pdfmerge/internal/pdf/common"
+	"gitea.tecamino.com/paadi/pdfmerge/internal/pdf/contentstream"
+	"gitea.tecamino.com/paadi/pdfmerge/internal/pdf/core"
+	"gitea.tecamino.com/paadi/pdfmerge/internal/pdf/model"
+)
+
+// ExtractText processes and extracts all text data in content streams and returns as a string. Takes into
+// account character encoding via CMaps in the PDF file.
+// The text is processed linearly e.g. in the order in which it appears. A best effort is done to add
+// spaces and newlines.
+func (e *Extractor) ExtractText() (string, error) {
+	var buf bytes.Buffer
+
+	cstreamParser := contentstream.NewContentStreamParser(e.contents)
+	operations, err := cstreamParser.Parse()
+	if err != nil {
+		return buf.String(), err
+	}
+
+	processor := contentstream.NewContentStreamProcessor(*operations)
+
+	var codemap *cmap.CMap
+	inText := false
+	xPos, yPos := float64(-1), float64(-1)
+
+	processor.AddHandler(contentstream.HandlerConditionEnumAllOperands, "",
+		func(op *contentstream.ContentStreamOperation, gs contentstream.GraphicsState, resources *model.PdfPageResources) error {
+			operand := op.Operand
+			switch operand {
+			case "BT":
+				inText = true
+			case "ET":
+				inText = false
+			case "Tf":
+				if !inText {
+					common.Log.Debug("Tf operand outside text")
+					return nil
+				}
+
+				if len(op.Params) != 2 {
+					common.Log.Debug("error Tf should only get 2 input params, got %d", len(op.Params))
+					return errors.New("Incorrect parameter count")
+				}
+
+				codemap = nil
+
+				fontName, ok := op.Params[0].(*core.PdfObjectName)
+				if !ok {
+					common.Log.Debug("error Tf font input not a name")
+					return errors.New("Tf range error")
+				}
+
+				if resources == nil {
+					return nil
+				}
+
+				fontObj, found := resources.GetFontByName(*fontName)
+				if !found {
+					common.Log.Debug("Font not found...")
+					return errors.New("Font not in resources")
+				}
+
+				fontObj = core.TraceToDirectObject(fontObj)
+				if fontDict, isDict := fontObj.(*core.PdfObjectDictionary); isDict {
+					toUnicode := fontDict.Get("ToUnicode")
+					if toUnicode != nil {
+						toUnicode = core.TraceToDirectObject(toUnicode)
+						toUnicodeStream, ok := toUnicode.(*core.PdfObjectStream)
+						if !ok {
+							return errors.New("invalid ToUnicode entry - not a stream")
+						}
+						decoded, err := core.DecodeStream(toUnicodeStream)
+						if err != nil {
+							return err
+						}
+
+						codemap, err = cmap.LoadCmapFromData(decoded)
+						if err != nil {
+							return err
+						}
+					}
+				}
+			case "T*":
+				if !inText {
+					common.Log.Debug("T* operand outside text")
+					return nil
+				}
+				buf.WriteString("\n")
+			case "Td", "TD":
+				if !inText {
+					common.Log.Debug("Td/TD operand outside text")
+					return nil
+				}
+
+				// Params: [tx ty], corresponeds to Tm=Tlm=[1 0 0;0 1 0;tx ty 1]*Tm
+				if len(op.Params) != 2 {
+					common.Log.Debug("Td/TD invalid arguments")
+					return nil
+				}
+				tx, err := getNumberAsFloat(op.Params[0])
+				if err != nil {
+					common.Log.Debug("Td Float parse error")
+					return nil
+				}
+				ty, err := getNumberAsFloat(op.Params[1])
+				if err != nil {
+					common.Log.Debug("Td Float parse error")
+					return nil
+				}
+
+				if tx > 0 {
+					buf.WriteString(" ")
+				}
+				if ty < 0 {
+					// TODO: More flexible space characters?
+					buf.WriteString("\n")
+				}
+			case "Tm":
+				if !inText {
+					common.Log.Debug("Tm operand outside text")
+					return nil
+				}
+
+				// Params: a,b,c,d,e,f as in Tm = [a b 0; c d 0; e f 1].
+				// The last two (e,f) represent translation.
+				if len(op.Params) != 6 {
+					return errors.New("Tm: Invalid number of inputs")
+				}
+				xfloat, ok := op.Params[4].(*core.PdfObjectFloat)
+				if !ok {
+					xint, ok := op.Params[4].(*core.PdfObjectInteger)
+					if !ok {
+						return nil
+					}
+					xfloat = core.MakeFloat(float64(*xint))
+				}
+				yfloat, ok := op.Params[5].(*core.PdfObjectFloat)
+				if !ok {
+					yint, ok := op.Params[5].(*core.PdfObjectInteger)
+					if !ok {
+						return nil
+					}
+					yfloat = core.MakeFloat(float64(*yint))
+				}
+				if yPos == -1 {
+					yPos = float64(*yfloat)
+				} else if yPos > float64(*yfloat) {
+					buf.WriteString("\n")
+					xPos = float64(*xfloat)
+					yPos = float64(*yfloat)
+					return nil
+				}
+				if xPos == -1 {
+					xPos = float64(*xfloat)
+				} else if xPos < float64(*xfloat) {
+					buf.WriteString("\t")
+					xPos = float64(*xfloat)
+				}
+			case "TJ":
+				if !inText {
+					common.Log.Debug("TJ operand outside text")
+					return nil
+				}
+				if len(op.Params) < 1 {
+					return nil
+				}
+				paramList, ok := op.Params[0].(*core.PdfObjectArray)
+				if !ok {
+					return fmt.Errorf("invalid parameter type, no array (%T)", op.Params[0])
+				}
+				for _, obj := range *paramList {
+					switch v := obj.(type) {
+					case *core.PdfObjectString:
+						if codemap != nil {
+							buf.WriteString(codemap.CharcodeBytesToUnicode([]byte(*v)))
+						} else {
+							buf.WriteString(string(*v))
+						}
+					case *core.PdfObjectFloat:
+						if *v < -100 {
+							buf.WriteString(" ")
+						}
+					case *core.PdfObjectInteger:
+						if *v < -100 {
+							buf.WriteString(" ")
+						}
+					}
+				}
+			case "Tj":
+				if !inText {
+					common.Log.Debug("Tj operand outside text")
+					return nil
+				}
+				if len(op.Params) < 1 {
+					return nil
+				}
+				param, ok := op.Params[0].(*core.PdfObjectString)
+				if !ok {
+					return fmt.Errorf("invalid parameter type, not string (%T)", op.Params[0])
+				}
+				if codemap != nil {
+					buf.WriteString(codemap.CharcodeBytesToUnicode([]byte(*param)))
+				} else {
+					buf.WriteString(string(*param))
+				}
+			}
+
+			return nil
+		})
+
+	err = processor.Process(e.resources)
+	if err != nil {
+		common.Log.Error("error processing: %v", err)
+		return buf.String(), err
+	}
+	return buf.String(), nil
+}

internal/pdf/extractor/utils.go

@@ -0,0 +1,20 @@
+package extractor
+
+import (
+	"errors"
+
+	"gitea.tecamino.com/paadi/pdfmerge/internal/pdf/core"
+)
+
+// getNumberAsFloat can retrieve numeric values from PdfObject (both integer/float).
+func getNumberAsFloat(obj core.PdfObject) (float64, error) {
+	if fObj, ok := obj.(*core.PdfObjectFloat); ok {
+		return float64(*fObj), nil
+	}
+
+	if iObj, ok := obj.(*core.PdfObjectInteger); ok {
+		return float64(*iObj), nil
+	}
+
+	return 0, errors.New("Not a number")
+}

internal/pdf/model/const.go

@@ -0,0 +1,14 @@
+package model
+
+import (
+	"errors"
+)
+
+var (
+	ErrRequiredAttributeMissing = errors.New("required attribute missing")
+	ErrInvalidAttribute         = errors.New("invalid attribute")
+	ErrTypeError                = errors.New("type check error")
+
+	// ErrRangeError typically occurs when an input parameter is out of range or has invalid value.
+	ErrRangeError = errors.New("range check error")
+)

internal/pdf/model/font.go

@@ -0,0 +1,393 @@
+package model
+
+import (
+	"errors"
+	"os"
+
+	"gitea.tecamino.com/paadi/pdfmerge/internal/pdf/common"
+	"gitea.tecamino.com/paadi/pdfmerge/internal/pdf/core"
+	"gitea.tecamino.com/paadi/pdfmerge/internal/pdf/model/fonts"
+	"gitea.tecamino.com/paadi/pdfmerge/internal/pdf/model/textencoding"
+)
+
+// The PdfFont structure represents an underlying font structure which can be of type:
+// - Type0
+// - Type1
+// - TrueType
+// etc.
+type PdfFont struct {
+	context any // The underlying font: Type0, Type1, Truetype, etc..
+}
+
+// Set the encoding for the underlying font.
+func (font PdfFont) SetEncoder(encoder textencoding.TextEncoder) {
+	switch t := font.context.(type) {
+	case *pdfFontTrueType:
+		t.SetEncoder(encoder)
+	}
+}
+
+func (font PdfFont) GetGlyphCharMetrics(glyph string) (fonts.CharMetrics, bool) {
+	switch t := font.context.(type) {
+	case *pdfFontTrueType:
+		return t.GetGlyphCharMetrics(glyph)
+	}
+
+	return fonts.CharMetrics{}, false
+}
+
+func (font PdfFont) ToPdfObject() core.PdfObject {
+	switch f := font.context.(type) {
+	case *pdfFontTrueType:
+		return f.ToPdfObject()
+	}
+
+	// If not supported, return null..
+	common.Log.Debug("Unsupported font (%T) - returning null object", font.context)
+	return core.MakeNull()
+}
+
+type pdfFontTrueType struct {
+	Encoder textencoding.TextEncoder
+
+	firstChar  int
+	lastChar   int
+	charWidths []float64
+
+	// Subtype shall be TrueType.
+	// Encoding is subject to limitations that are described in 9.6.6, "Character Encoding".
+	// BaseFont is derived differently.
+	BaseFont       core.PdfObject
+	FirstChar      core.PdfObject
+	LastChar       core.PdfObject
+	Widths         core.PdfObject
+	FontDescriptor *PdfFontDescriptor
+	Encoding       core.PdfObject
+	ToUnicode      core.PdfObject
+
+	container *core.PdfIndirectObject
+}
+
+func (font pdfFontTrueType) SetEncoder(encoder textencoding.TextEncoder) {
+	font.Encoder = encoder
+}
+
+func (font pdfFontTrueType) GetGlyphCharMetrics(glyph string) (fonts.CharMetrics, bool) {
+	metrics := fonts.CharMetrics{}
+
+	code, found := font.Encoder.GlyphToCharcode(glyph)
+	if !found {
+		return metrics, false
+	}
+
+	if int(code) < font.firstChar {
+		common.Log.Debug("Code lower than firstchar (%d < %d)", code, font.firstChar)
+		return metrics, false
+	}
+
+	if int(code) > font.lastChar {
+		common.Log.Debug("Code higher than lastchar (%d < %d)", code, font.lastChar)
+		return metrics, false
+	}
+
+	index := int(code) - font.firstChar
+	if index >= len(font.charWidths) {
+		common.Log.Debug("Code outside of widths range")
+		return metrics, false
+	}
+
+	width := font.charWidths[index]
+	metrics.Wx = width
+
+	return metrics, true
+}
+
+func (ftt *pdfFontTrueType) ToPdfObject() core.PdfObject {
+	if ftt.container == nil {
+		ftt.container = &core.PdfIndirectObject{}
+	}
+	d := core.MakeDict()
+	ftt.container.PdfObject = d
+
+	d.Set("Type", core.MakeName("Font"))
+	d.Set("Subtype", core.MakeName("TrueType"))
+
+	if ftt.BaseFont != nil {
+		d.Set("BaseFont", ftt.BaseFont)
+	}
+	if ftt.FirstChar != nil {
+		d.Set("FirstChar", ftt.FirstChar)
+	}
+	if ftt.LastChar != nil {
+		d.Set("LastChar", ftt.LastChar)
+	}
+	if ftt.Widths != nil {
+		d.Set("Widths", ftt.Widths)
+	}
+	if ftt.FontDescriptor != nil {
+		d.Set("FontDescriptor", ftt.FontDescriptor.ToPdfObject())
+	}
+	if ftt.Encoding != nil {
+		d.Set("Encoding", ftt.Encoding)
+	}
+	if ftt.ToUnicode != nil {
+		d.Set("ToUnicode", ftt.ToUnicode)
+	}
+
+	return ftt.container
+}
+
+func NewPdfFontFromTTFFile(filePath string) (*PdfFont, error) {
+	ttf, err := fonts.TtfParse(filePath)
+	if err != nil {
+		common.Log.Debug("error loading ttf font: %v", err)
+		return nil, err
+	}
+
+	truefont := &pdfFontTrueType{}
+
+	truefont.Encoder = textencoding.NewWinAnsiTextEncoder()
+	truefont.firstChar = 32
+	truefont.lastChar = 255
+
+	truefont.BaseFont = core.MakeName(ttf.PostScriptName)
+	truefont.FirstChar = core.MakeInteger(32)
+	truefont.LastChar = core.MakeInteger(255)
+
+	k := 1000.0 / float64(ttf.UnitsPerEm)
+
+	if len(ttf.Widths) <= 0 {
+		return nil, errors.New("missing required attribute (Widths)")
+	}
+
+	missingWidth := k * float64(ttf.Widths[0])
+	vals := []float64{}
+
+	for charcode := 32; charcode <= 255; charcode++ {
+		runeVal, found := truefont.Encoder.CharcodeToRune(byte(charcode))
+		if !found {
+			common.Log.Debug("Rune not found (charcode: %d)", charcode)
+			vals = append(vals, missingWidth)
+			continue
+		}
+
+		pos, ok := ttf.Chars[uint16(runeVal)]
+		if !ok {
+			common.Log.Debug("Rune not in TTF Chars")
+			vals = append(vals, missingWidth)
+			continue
+		}
+
+		w := k * float64(ttf.Widths[pos])
+
+		vals = append(vals, w)
+	}
+
+	truefont.Widths = &core.PdfIndirectObject{PdfObject: core.MakeArrayFromFloats(vals)}
+
+	if len(vals) < (255 - 32 + 1) {
+		common.Log.Debug("invalid length of widths, %d < %d", len(vals), 255-32+1)
+		return nil, errors.New("range check error")
+	}
+
+	truefont.charWidths = vals[:255-32+1]
+
+	// Default.
+	// XXX/FIXME TODO: Only use the encoder object.
+
+	truefont.Encoding = core.MakeName("WinAnsiEncoding")
+
+	descriptor := &PdfFontDescriptor{}
+	descriptor.Ascent = core.MakeFloat(k * float64(ttf.TypoAscender))
+	descriptor.Descent = core.MakeFloat(k * float64(ttf.TypoDescender))
+	descriptor.CapHeight = core.MakeFloat(k * float64(ttf.CapHeight))
+	descriptor.FontBBox = core.MakeArrayFromFloats([]float64{k * float64(ttf.Xmin), k * float64(ttf.Ymin), k * float64(ttf.Xmax), k * float64(ttf.Ymax)})
+	descriptor.ItalicAngle = core.MakeFloat(float64(ttf.ItalicAngle))
+	descriptor.MissingWidth = core.MakeFloat(k * float64(ttf.Widths[0]))
+
+	ttfBytes, err := os.ReadFile(filePath)
+	if err != nil {
+		common.Log.Debug("Unable to read file contents: %v", err)
+		return nil, err
+	}
+
+	// XXX/TODO: Encode the file...
+	stream, err := core.MakeStream(ttfBytes, core.NewFlateEncoder())
+	if err != nil {
+		common.Log.Debug("Unable to make stream: %v", err)
+		return nil, err
+	}
+	stream.PdfObjectDictionary.Set("Length1", core.MakeInteger(int64(len(ttfBytes))))
+	descriptor.FontFile2 = stream
+
+	if ttf.Bold {
+		descriptor.StemV = core.MakeInteger(120)
+	} else {
+		descriptor.StemV = core.MakeInteger(70)
+	}
+
+	// Flags.
+	flags := 1 << 5
+	if ttf.IsFixedPitch {
+		flags |= 1
+	}
+	if ttf.ItalicAngle != 0 {
+		flags |= 1 << 6
+	}
+	descriptor.Flags = core.MakeInteger(int64(flags))
+
+	// Build Font.
+	truefont.FontDescriptor = descriptor
+
+	font := &PdfFont{}
+	font.context = truefont
+
+	return font, nil
+}
+
+// Font descriptors specifies metrics and other attributes of a font.
+type PdfFontDescriptor struct {
+	FontName     core.PdfObject
+	FontFamily   core.PdfObject
+	FontStretch  core.PdfObject
+	FontWeight   core.PdfObject
+	Flags        core.PdfObject
+	FontBBox     core.PdfObject
+	ItalicAngle  core.PdfObject
+	Ascent       core.PdfObject
+	Descent      core.PdfObject
+	Leading      core.PdfObject
+	CapHeight    core.PdfObject
+	XHeight      core.PdfObject
+	StemV        core.PdfObject
+	StemH        core.PdfObject
+	AvgWidth     core.PdfObject
+	MaxWidth     core.PdfObject
+	MissingWidth core.PdfObject
+	FontFile     core.PdfObject
+	FontFile2    core.PdfObject
+	FontFile3    core.PdfObject
+	CharSet      core.PdfObject
+
+	// Additional entries for CIDFonts
+	Style  core.PdfObject
+	Lang   core.PdfObject
+	FD     core.PdfObject
+	CIDSet core.PdfObject
+
+	// Container.
+	container *core.PdfIndirectObject
+}
+
+// Convert to a PDF dictionary inside an indirect object.
+func (pfd *PdfFontDescriptor) ToPdfObject() core.PdfObject {
+	d := core.MakeDict()
+	if pfd.container == nil {
+		pfd.container = &core.PdfIndirectObject{}
+	}
+	pfd.container.PdfObject = d
+
+	d.Set("Type", core.MakeName("FontDescriptor"))
+
+	if pfd.FontName != nil {
+		d.Set("FontName", pfd.FontName)
+	}
+
+	if pfd.FontFamily != nil {
+		d.Set("FontFamily", pfd.FontFamily)
+	}
+
+	if pfd.FontStretch != nil {
+		d.Set("FontStretch", pfd.FontStretch)
+	}
+
+	if pfd.FontWeight != nil {
+		d.Set("FontWeight", pfd.FontWeight)
+	}
+
+	if pfd.Flags != nil {
+		d.Set("Flags", pfd.Flags)
+	}
+
+	if pfd.FontBBox != nil {
+		d.Set("FontBBox", pfd.FontBBox)
+	}
+
+	if pfd.ItalicAngle != nil {
+		d.Set("ItalicAngle", pfd.ItalicAngle)
+	}
+
+	if pfd.Ascent != nil {
+		d.Set("Ascent", pfd.Ascent)
+	}
+
+	if pfd.Descent != nil {
+		d.Set("Descent", pfd.Descent)
+	}
+
+	if pfd.Leading != nil {
+		d.Set("Leading", pfd.Leading)
+	}
+
+	if pfd.CapHeight != nil {
+		d.Set("CapHeight", pfd.CapHeight)
+	}
+
+	if pfd.XHeight != nil {
+		d.Set("XHeight", pfd.XHeight)
+	}
+
+	if pfd.StemV != nil {
+		d.Set("StemV", pfd.StemV)
+	}
+
+	if pfd.StemH != nil {
+		d.Set("StemH", pfd.StemH)
+	}
+
+	if pfd.AvgWidth != nil {
+		d.Set("AvgWidth", pfd.AvgWidth)
+	}
+
+	if pfd.MaxWidth != nil {
+		d.Set("MaxWidth", pfd.MaxWidth)
+	}
+
+	if pfd.MissingWidth != nil {
+		d.Set("MissingWidth", pfd.MissingWidth)
+	}
+
+	if pfd.FontFile != nil {
+		d.Set("FontFile", pfd.FontFile)
+	}
+
+	if pfd.FontFile2 != nil {
+		d.Set("FontFile2", pfd.FontFile2)
+	}
+
+	if pfd.FontFile3 != nil {
+		d.Set("FontFile3", pfd.FontFile3)
+	}
+
+	if pfd.CharSet != nil {
+		d.Set("CharSet", pfd.CharSet)
+	}
+
+	if pfd.Style != nil {
+		d.Set("FontName", pfd.FontName)
+	}
+
+	if pfd.Lang != nil {
+		d.Set("Lang", pfd.Lang)
+	}
+
+	if pfd.FD != nil {
+		d.Set("FD", pfd.FD)
+	}
+
+	if pfd.CIDSet != nil {
+		d.Set("CIDSet", pfd.CIDSet)
+	}
+
+	return pfd.container
+}

internal/pdf/model/fonts/afms/Courier-Bold.afm

@@ -0,0 +1,342 @@
+StartFontMetrics 4.1
+Comment Copyright (c) 1989, 1990, 1991, 1993, 1997 Adobe Systems Incorporated.  All Rights Reserved.
+Comment Creation Date: Mon Jun 23 16:28:00 1997
+Comment UniqueID 43048
+Comment VMusage 41139 52164
+FontName Courier-Bold
+FullName Courier Bold
+FamilyName Courier
+Weight Bold
+ItalicAngle 0
+IsFixedPitch true
+CharacterSet ExtendedRoman
+FontBBox -113 -250 749 801 
+UnderlinePosition -100
+UnderlineThickness 50
+Version 003.000
+Notice Copyright (c) 1989, 1990, 1991, 1993, 1997 Adobe Systems Incorporated.  All Rights Reserved.
+EncodingScheme AdobeStandardEncoding
+CapHeight 562
+XHeight 439
+Ascender 629
+Descender -157
+StdHW 84
+StdVW 106
+StartCharMetrics 315
+C 32 ; WX 600 ; N space ; B 0 0 0 0 ;
+C 33 ; WX 600 ; N exclam ; B 202 -15 398 572 ;
+C 34 ; WX 600 ; N quotedbl ; B 135 277 465 562 ;
+C 35 ; WX 600 ; N numbersign ; B 56 -45 544 651 ;
+C 36 ; WX 600 ; N dollar ; B 82 -126 519 666 ;
+C 37 ; WX 600 ; N percent ; B 5 -15 595 616 ;
+C 38 ; WX 600 ; N ampersand ; B 36 -15 546 543 ;
+C 39 ; WX 600 ; N quoteright ; B 171 277 423 562 ;
+C 40 ; WX 600 ; N parenleft ; B 219 -102 461 616 ;
+C 41 ; WX 600 ; N parenright ; B 139 -102 381 616 ;
+C 42 ; WX 600 ; N asterisk ; B 91 219 509 601 ;
+C 43 ; WX 600 ; N plus ; B 71 39 529 478 ;
+C 44 ; WX 600 ; N comma ; B 123 -111 393 174 ;
+C 45 ; WX 600 ; N hyphen ; B 100 203 500 313 ;
+C 46 ; WX 600 ; N period ; B 192 -15 408 171 ;
+C 47 ; WX 600 ; N slash ; B 98 -77 502 626 ;
+C 48 ; WX 600 ; N zero ; B 87 -15 513 616 ;
+C 49 ; WX 600 ; N one ; B 81 0 539 616 ;
+C 50 ; WX 600 ; N two ; B 61 0 499 616 ;
+C 51 ; WX 600 ; N three ; B 63 -15 501 616 ;
+C 52 ; WX 600 ; N four ; B 53 0 507 616 ;
+C 53 ; WX 600 ; N five ; B 70 -15 521 601 ;
+C 54 ; WX 600 ; N six ; B 90 -15 521 616 ;
+C 55 ; WX 600 ; N seven ; B 55 0 494 601 ;
+C 56 ; WX 600 ; N eight ; B 83 -15 517 616 ;
+C 57 ; WX 600 ; N nine ; B 79 -15 510 616 ;
+C 58 ; WX 600 ; N colon ; B 191 -15 407 425 ;
+C 59 ; WX 600 ; N semicolon ; B 123 -111 408 425 ;
+C 60 ; WX 600 ; N less ; B 66 15 523 501 ;
+C 61 ; WX 600 ; N equal ; B 71 118 529 398 ;
+C 62 ; WX 600 ; N greater ; B 77 15 534 501 ;
+C 63 ; WX 600 ; N question ; B 98 -14 501 580 ;
+C 64 ; WX 600 ; N at ; B 16 -15 584 616 ;
+C 65 ; WX 600 ; N A ; B -9 0 609 562 ;
+C 66 ; WX 600 ; N B ; B 30 0 573 562 ;
+C 67 ; WX 600 ; N C ; B 22 -18 560 580 ;
+C 68 ; WX 600 ; N D ; B 30 0 594 562 ;
+C 69 ; WX 600 ; N E ; B 25 0 560 562 ;
+C 70 ; WX 600 ; N F ; B 39 0 570 562 ;
+C 71 ; WX 600 ; N G ; B 22 -18 594 580 ;
+C 72 ; WX 600 ; N H ; B 20 0 580 562 ;
+C 73 ; WX 600 ; N I ; B 77 0 523 562 ;
+C 74 ; WX 600 ; N J ; B 37 -18 601 562 ;
+C 75 ; WX 600 ; N K ; B 21 0 599 562 ;
+C 76 ; WX 600 ; N L ; B 39 0 578 562 ;
+C 77 ; WX 600 ; N M ; B -2 0 602 562 ;
+C 78 ; WX 600 ; N N ; B 8 -12 610 562 ;
+C 79 ; WX 600 ; N O ; B 22 -18 578 580 ;
+C 80 ; WX 600 ; N P ; B 48 0 559 562 ;
+C 81 ; WX 600 ; N Q ; B 32 -138 578 580 ;
+C 82 ; WX 600 ; N R ; B 24 0 599 562 ;
+C 83 ; WX 600 ; N S ; B 47 -22 553 582 ;
+C 84 ; WX 600 ; N T ; B 21 0 579 562 ;
+C 85 ; WX 600 ; N U ; B 4 -18 596 562 ;
+C 86 ; WX 600 ; N V ; B -13 0 613 562 ;
+C 87 ; WX 600 ; N W ; B -18 0 618 562 ;
+C 88 ; WX 600 ; N X ; B 12 0 588 562 ;
+C 89 ; WX 600 ; N Y ; B 12 0 589 562 ;
+C 90 ; WX 600 ; N Z ; B 62 0 539 562 ;
+C 91 ; WX 600 ; N bracketleft ; B 245 -102 475 616 ;
+C 92 ; WX 600 ; N backslash ; B 99 -77 503 626 ;
+C 93 ; WX 600 ; N bracketright ; B 125 -102 355 616 ;
+C 94 ; WX 600 ; N asciicircum ; B 108 250 492 616 ;
+C 95 ; WX 600 ; N underscore ; B 0 -125 600 -75 ;
+C 96 ; WX 600 ; N quoteleft ; B 178 277 428 562 ;
+C 97 ; WX 600 ; N a ; B 35 -15 570 454 ;
+C 98 ; WX 600 ; N b ; B 0 -15 584 626 ;
+C 99 ; WX 600 ; N c ; B 40 -15 545 459 ;
+C 100 ; WX 600 ; N d ; B 20 -15 591 626 ;
+C 101 ; WX 600 ; N e ; B 40 -15 563 454 ;
+C 102 ; WX 600 ; N f ; B 83 0 547 626 ; L i fi ; L l fl ;
+C 103 ; WX 600 ; N g ; B 30 -146 580 454 ;
+C 104 ; WX 600 ; N h ; B 5 0 592 626 ;
+C 105 ; WX 600 ; N i ; B 77 0 523 658 ;
+C 106 ; WX 600 ; N j ; B 63 -146 440 658 ;
+C 107 ; WX 600 ; N k ; B 20 0 585 626 ;
+C 108 ; WX 600 ; N l ; B 77 0 523 626 ;
+C 109 ; WX 600 ; N m ; B -22 0 626 454 ;
+C 110 ; WX 600 ; N n ; B 18 0 592 454 ;
+C 111 ; WX 600 ; N o ; B 30 -15 570 454 ;
+C 112 ; WX 600 ; N p ; B -1 -142 570 454 ;
+C 113 ; WX 600 ; N q ; B 20 -142 591 454 ;
+C 114 ; WX 600 ; N r ; B 47 0 580 454 ;
+C 115 ; WX 600 ; N s ; B 68 -17 535 459 ;
+C 116 ; WX 600 ; N t ; B 47 -15 532 562 ;
+C 117 ; WX 600 ; N u ; B -1 -15 569 439 ;
+C 118 ; WX 600 ; N v ; B -1 0 601 439 ;
+C 119 ; WX 600 ; N w ; B -18 0 618 439 ;
+C 120 ; WX 600 ; N x ; B 6 0 594 439 ;
+C 121 ; WX 600 ; N y ; B -4 -142 601 439 ;
+C 122 ; WX 600 ; N z ; B 81 0 520 439 ;
+C 123 ; WX 600 ; N braceleft ; B 160 -102 464 616 ;
+C 124 ; WX 600 ; N bar ; B 255 -250 345 750 ;
+C 125 ; WX 600 ; N braceright ; B 136 -102 440 616 ;
+C 126 ; WX 600 ; N asciitilde ; B 71 153 530 356 ;
+C 161 ; WX 600 ; N exclamdown ; B 202 -146 398 449 ;
+C 162 ; WX 600 ; N cent ; B 66 -49 518 614 ;
+C 163 ; WX 600 ; N sterling ; B 72 -28 558 611 ;
+C 164 ; WX 600 ; N fraction ; B 25 -60 576 661 ;
+C 165 ; WX 600 ; N yen ; B 10 0 590 562 ;
+C 166 ; WX 600 ; N florin ; B -30 -131 572 616 ;
+C 167 ; WX 600 ; N section ; B 83 -70 517 580 ;
+C 168 ; WX 600 ; N currency ; B 54 49 546 517 ;
+C 169 ; WX 600 ; N quotesingle ; B 227 277 373 562 ;
+C 170 ; WX 600 ; N quotedblleft ; B 71 277 535 562 ;
+C 171 ; WX 600 ; N guillemotleft ; B 8 70 553 446 ;
+C 172 ; WX 600 ; N guilsinglleft ; B 141 70 459 446 ;
+C 173 ; WX 600 ; N guilsinglright ; B 141 70 459 446 ;
+C 174 ; WX 600 ; N fi ; B 12 0 593 626 ;
+C 175 ; WX 600 ; N fl ; B 12 0 593 626 ;
+C 177 ; WX 600 ; N endash ; B 65 203 535 313 ;
+C 178 ; WX 600 ; N dagger ; B 106 -70 494 580 ;
+C 179 ; WX 600 ; N daggerdbl ; B 106 -70 494 580 ;
+C 180 ; WX 600 ; N periodcentered ; B 196 165 404 351 ;
+C 182 ; WX 600 ; N paragraph ; B 6 -70 576 580 ;
+C 183 ; WX 600 ; N bullet ; B 140 132 460 430 ;
+C 184 ; WX 600 ; N quotesinglbase ; B 175 -142 427 143 ;
+C 185 ; WX 600 ; N quotedblbase ; B 65 -142 529 143 ;
+C 186 ; WX 600 ; N quotedblright ; B 61 277 525 562 ;
+C 187 ; WX 600 ; N guillemotright ; B 47 70 592 446 ;
+C 188 ; WX 600 ; N ellipsis ; B 26 -15 574 116 ;
+C 189 ; WX 600 ; N perthousand ; B -113 -15 713 616 ;
+C 191 ; WX 600 ; N questiondown ; B 99 -146 502 449 ;
+C 193 ; WX 600 ; N grave ; B 132 508 395 661 ;
+C 194 ; WX 600 ; N acute ; B 205 508 468 661 ;
+C 195 ; WX 600 ; N circumflex ; B 103 483 497 657 ;
+C 196 ; WX 600 ; N tilde ; B 89 493 512 636 ;
+C 197 ; WX 600 ; N macron ; B 88 505 512 585 ;
+C 198 ; WX 600 ; N breve ; B 83 468 517 631 ;
+C 199 ; WX 600 ; N dotaccent ; B 230 498 370 638 ;
+C 200 ; WX 600 ; N dieresis ; B 128 498 472 638 ;
+C 202 ; WX 600 ; N ring ; B 198 481 402 678 ;
+C 203 ; WX 600 ; N cedilla ; B 205 -206 387 0 ;
+C 205 ; WX 600 ; N hungarumlaut ; B 68 488 588 661 ;
+C 206 ; WX 600 ; N ogonek ; B 169 -199 400 0 ;
+C 207 ; WX 600 ; N caron ; B 103 493 497 667 ;
+C 208 ; WX 600 ; N emdash ; B -10 203 610 313 ;
+C 225 ; WX 600 ; N AE ; B -29 0 602 562 ;
+C 227 ; WX 600 ; N ordfeminine ; B 147 196 453 580 ;
+C 232 ; WX 600 ; N Lslash ; B 39 0 578 562 ;
+C 233 ; WX 600 ; N Oslash ; B 22 -22 578 584 ;
+C 234 ; WX 600 ; N OE ; B -25 0 595 562 ;
+C 235 ; WX 600 ; N ordmasculine ; B 147 196 453 580 ;
+C 241 ; WX 600 ; N ae ; B -4 -15 601 454 ;
+C 245 ; WX 600 ; N dotlessi ; B 77 0 523 439 ;
+C 248 ; WX 600 ; N lslash ; B 77 0 523 626 ;
+C 249 ; WX 600 ; N oslash ; B 30 -24 570 463 ;
+C 250 ; WX 600 ; N oe ; B -18 -15 611 454 ;
+C 251 ; WX 600 ; N germandbls ; B 22 -15 596 626 ;
+C -1 ; WX 600 ; N Idieresis ; B 77 0 523 761 ;
+C -1 ; WX 600 ; N eacute ; B 40 -15 563 661 ;
+C -1 ; WX 600 ; N abreve ; B 35 -15 570 661 ;
+C -1 ; WX 600 ; N uhungarumlaut ; B -1 -15 628 661 ;
+C -1 ; WX 600 ; N ecaron ; B 40 -15 563 667 ;
+C -1 ; WX 600 ; N Ydieresis ; B 12 0 589 761 ;
+C -1 ; WX 600 ; N divide ; B 71 16 529 500 ;
+C -1 ; WX 600 ; N Yacute ; B 12 0 589 784 ;
+C -1 ; WX 600 ; N Acircumflex ; B -9 0 609 780 ;
+C -1 ; WX 600 ; N aacute ; B 35 -15 570 661 ;
+C -1 ; WX 600 ; N Ucircumflex ; B 4 -18 596 780 ;
+C -1 ; WX 600 ; N yacute ; B -4 -142 601 661 ;
+C -1 ; WX 600 ; N scommaaccent ; B 68 -250 535 459 ;
+C -1 ; WX 600 ; N ecircumflex ; B 40 -15 563 657 ;
+C -1 ; WX 600 ; N Uring ; B 4 -18 596 801 ;
+C -1 ; WX 600 ; N Udieresis ; B 4 -18 596 761 ;
+C -1 ; WX 600 ; N aogonek ; B 35 -199 586 454 ;
+C -1 ; WX 600 ; N Uacute ; B 4 -18 596 784 ;
+C -1 ; WX 600 ; N uogonek ; B -1 -199 585 439 ;
+C -1 ; WX 600 ; N Edieresis ; B 25 0 560 761 ;
+C -1 ; WX 600 ; N Dcroat ; B 30 0 594 562 ;
+C -1 ; WX 600 ; N commaaccent ; B 205 -250 397 -57 ;
+C -1 ; WX 600 ; N copyright ; B 0 -18 600 580 ;
+C -1 ; WX 600 ; N Emacron ; B 25 0 560 708 ;
+C -1 ; WX 600 ; N ccaron ; B 40 -15 545 667 ;
+C -1 ; WX 600 ; N aring ; B 35 -15 570 678 ;
+C -1 ; WX 600 ; N Ncommaaccent ; B 8 -250 610 562 ;
+C -1 ; WX 600 ; N lacute ; B 77 0 523 801 ;
+C -1 ; WX 600 ; N agrave ; B 35 -15 570 661 ;
+C -1 ; WX 600 ; N Tcommaaccent ; B 21 -250 579 562 ;
+C -1 ; WX 600 ; N Cacute ; B 22 -18 560 784 ;
+C -1 ; WX 600 ; N atilde ; B 35 -15 570 636 ;
+C -1 ; WX 600 ; N Edotaccent ; B 25 0 560 761 ;
+C -1 ; WX 600 ; N scaron ; B 68 -17 535 667 ;
+C -1 ; WX 600 ; N scedilla ; B 68 -206 535 459 ;
+C -1 ; WX 600 ; N iacute ; B 77 0 523 661 ;
+C -1 ; WX 600 ; N lozenge ; B 66 0 534 740 ;
+C -1 ; WX 600 ; N Rcaron ; B 24 0 599 790 ;
+C -1 ; WX 600 ; N Gcommaaccent ; B 22 -250 594 580 ;
+C -1 ; WX 600 ; N ucircumflex ; B -1 -15 569 657 ;
+C -1 ; WX 600 ; N acircumflex ; B 35 -15 570 657 ;
+C -1 ; WX 600 ; N Amacron ; B -9 0 609 708 ;
+C -1 ; WX 600 ; N rcaron ; B 47 0 580 667 ;
+C -1 ; WX 600 ; N ccedilla ; B 40 -206 545 459 ;
+C -1 ; WX 600 ; N Zdotaccent ; B 62 0 539 761 ;
+C -1 ; WX 600 ; N Thorn ; B 48 0 557 562 ;
+C -1 ; WX 600 ; N Omacron ; B 22 -18 578 708 ;
+C -1 ; WX 600 ; N Racute ; B 24 0 599 784 ;
+C -1 ; WX 600 ; N Sacute ; B 47 -22 553 784 ;
+C -1 ; WX 600 ; N dcaron ; B 20 -15 727 626 ;
+C -1 ; WX 600 ; N Umacron ; B 4 -18 596 708 ;
+C -1 ; WX 600 ; N uring ; B -1 -15 569 678 ;
+C -1 ; WX 600 ; N threesuperior ; B 138 222 433 616 ;
+C -1 ; WX 600 ; N Ograve ; B 22 -18 578 784 ;
+C -1 ; WX 600 ; N Agrave ; B -9 0 609 784 ;
+C -1 ; WX 600 ; N Abreve ; B -9 0 609 784 ;
+C -1 ; WX 600 ; N multiply ; B 81 39 520 478 ;
+C -1 ; WX 600 ; N uacute ; B -1 -15 569 661 ;
+C -1 ; WX 600 ; N Tcaron ; B 21 0 579 790 ;
+C -1 ; WX 600 ; N partialdiff ; B 63 -38 537 728 ;
+C -1 ; WX 600 ; N ydieresis ; B -4 -142 601 638 ;
+C -1 ; WX 600 ; N Nacute ; B 8 -12 610 784 ;
+C -1 ; WX 600 ; N icircumflex ; B 73 0 523 657 ;
+C -1 ; WX 600 ; N Ecircumflex ; B 25 0 560 780 ;
+C -1 ; WX 600 ; N adieresis ; B 35 -15 570 638 ;
+C -1 ; WX 600 ; N edieresis ; B 40 -15 563 638 ;
+C -1 ; WX 600 ; N cacute ; B 40 -15 545 661 ;
+C -1 ; WX 600 ; N nacute ; B 18 0 592 661 ;
+C -1 ; WX 600 ; N umacron ; B -1 -15 569 585 ;
+C -1 ; WX 600 ; N Ncaron ; B 8 -12 610 790 ;
+C -1 ; WX 600 ; N Iacute ; B 77 0 523 784 ;
+C -1 ; WX 600 ; N plusminus ; B 71 24 529 515 ;
+C -1 ; WX 600 ; N brokenbar ; B 255 -175 345 675 ;
+C -1 ; WX 600 ; N registered ; B 0 -18 600 580 ;
+C -1 ; WX 600 ; N Gbreve ; B 22 -18 594 784 ;
+C -1 ; WX 600 ; N Idotaccent ; B 77 0 523 761 ;
+C -1 ; WX 600 ; N summation ; B 15 -10 586 706 ;
+C -1 ; WX 600 ; N Egrave ; B 25 0 560 784 ;
+C -1 ; WX 600 ; N racute ; B 47 0 580 661 ;
+C -1 ; WX 600 ; N omacron ; B 30 -15 570 585 ;
+C -1 ; WX 600 ; N Zacute ; B 62 0 539 784 ;
+C -1 ; WX 600 ; N Zcaron ; B 62 0 539 790 ;
+C -1 ; WX 600 ; N greaterequal ; B 26 0 523 696 ;
+C -1 ; WX 600 ; N Eth ; B 30 0 594 562 ;
+C -1 ; WX 600 ; N Ccedilla ; B 22 -206 560 580 ;
+C -1 ; WX 600 ; N lcommaaccent ; B 77 -250 523 626 ;
+C -1 ; WX 600 ; N tcaron ; B 47 -15 532 703 ;
+C -1 ; WX 600 ; N eogonek ; B 40 -199 563 454 ;
+C -1 ; WX 600 ; N Uogonek ; B 4 -199 596 562 ;
+C -1 ; WX 600 ; N Aacute ; B -9 0 609 784 ;
+C -1 ; WX 600 ; N Adieresis ; B -9 0 609 761 ;
+C -1 ; WX 600 ; N egrave ; B 40 -15 563 661 ;
+C -1 ; WX 600 ; N zacute ; B 81 0 520 661 ;
+C -1 ; WX 600 ; N iogonek ; B 77 -199 523 658 ;
+C -1 ; WX 600 ; N Oacute ; B 22 -18 578 784 ;
+C -1 ; WX 600 ; N oacute ; B 30 -15 570 661 ;
+C -1 ; WX 600 ; N amacron ; B 35 -15 570 585 ;
+C -1 ; WX 600 ; N sacute ; B 68 -17 535 661 ;
+C -1 ; WX 600 ; N idieresis ; B 77 0 523 618 ;
+C -1 ; WX 600 ; N Ocircumflex ; B 22 -18 578 780 ;
+C -1 ; WX 600 ; N Ugrave ; B 4 -18 596 784 ;
+C -1 ; WX 600 ; N Delta ; B 6 0 594 688 ;
+C -1 ; WX 600 ; N thorn ; B -14 -142 570 626 ;
+C -1 ; WX 600 ; N twosuperior ; B 143 230 436 616 ;
+C -1 ; WX 600 ; N Odieresis ; B 22 -18 578 761 ;
+C -1 ; WX 600 ; N mu ; B -1 -142 569 439 ;
+C -1 ; WX 600 ; N igrave ; B 77 0 523 661 ;
+C -1 ; WX 600 ; N ohungarumlaut ; B 30 -15 668 661 ;
+C -1 ; WX 600 ; N Eogonek ; B 25 -199 576 562 ;
+C -1 ; WX 600 ; N dcroat ; B 20 -15 591 626 ;
+C -1 ; WX 600 ; N threequarters ; B -47 -60 648 661 ;
+C -1 ; WX 600 ; N Scedilla ; B 47 -206 553 582 ;
+C -1 ; WX 600 ; N lcaron ; B 77 0 597 626 ;
+C -1 ; WX 600 ; N Kcommaaccent ; B 21 -250 599 562 ;
+C -1 ; WX 600 ; N Lacute ; B 39 0 578 784 ;
+C -1 ; WX 600 ; N trademark ; B -9 230 749 562 ;
+C -1 ; WX 600 ; N edotaccent ; B 40 -15 563 638 ;
+C -1 ; WX 600 ; N Igrave ; B 77 0 523 784 ;
+C -1 ; WX 600 ; N Imacron ; B 77 0 523 708 ;
+C -1 ; WX 600 ; N Lcaron ; B 39 0 637 562 ;
+C -1 ; WX 600 ; N onehalf ; B -47 -60 648 661 ;
+C -1 ; WX 600 ; N lessequal ; B 26 0 523 696 ;
+C -1 ; WX 600 ; N ocircumflex ; B 30 -15 570 657 ;
+C -1 ; WX 600 ; N ntilde ; B 18 0 592 636 ;
+C -1 ; WX 600 ; N Uhungarumlaut ; B 4 -18 638 784 ;
+C -1 ; WX 600 ; N Eacute ; B 25 0 560 784 ;
+C -1 ; WX 600 ; N emacron ; B 40 -15 563 585 ;
+C -1 ; WX 600 ; N gbreve ; B 30 -146 580 661 ;
+C -1 ; WX 600 ; N onequarter ; B -56 -60 656 661 ;
+C -1 ; WX 600 ; N Scaron ; B 47 -22 553 790 ;
+C -1 ; WX 600 ; N Scommaaccent ; B 47 -250 553 582 ;
+C -1 ; WX 600 ; N Ohungarumlaut ; B 22 -18 628 784 ;
+C -1 ; WX 600 ; N degree ; B 86 243 474 616 ;
+C -1 ; WX 600 ; N ograve ; B 30 -15 570 661 ;
+C -1 ; WX 600 ; N Ccaron ; B 22 -18 560 790 ;
+C -1 ; WX 600 ; N ugrave ; B -1 -15 569 661 ;
+C -1 ; WX 600 ; N radical ; B -19 -104 473 778 ;
+C -1 ; WX 600 ; N Dcaron ; B 30 0 594 790 ;
+C -1 ; WX 600 ; N rcommaaccent ; B 47 -250 580 454 ;
+C -1 ; WX 600 ; N Ntilde ; B 8 -12 610 759 ;
+C -1 ; WX 600 ; N otilde ; B 30 -15 570 636 ;
+C -1 ; WX 600 ; N Rcommaaccent ; B 24 -250 599 562 ;
+C -1 ; WX 600 ; N Lcommaaccent ; B 39 -250 578 562 ;
+C -1 ; WX 600 ; N Atilde ; B -9 0 609 759 ;
+C -1 ; WX 600 ; N Aogonek ; B -9 -199 625 562 ;
+C -1 ; WX 600 ; N Aring ; B -9 0 609 801 ;
+C -1 ; WX 600 ; N Otilde ; B 22 -18 578 759 ;
+C -1 ; WX 600 ; N zdotaccent ; B 81 0 520 638 ;
+C -1 ; WX 600 ; N Ecaron ; B 25 0 560 790 ;
+C -1 ; WX 600 ; N Iogonek ; B 77 -199 523 562 ;
+C -1 ; WX 600 ; N kcommaaccent ; B 20 -250 585 626 ;
+C -1 ; WX 600 ; N minus ; B 71 203 529 313 ;
+C -1 ; WX 600 ; N Icircumflex ; B 77 0 523 780 ;
+C -1 ; WX 600 ; N ncaron ; B 18 0 592 667 ;
+C -1 ; WX 600 ; N tcommaaccent ; B 47 -250 532 562 ;
+C -1 ; WX 600 ; N logicalnot ; B 71 103 529 413 ;
+C -1 ; WX 600 ; N odieresis ; B 30 -15 570 638 ;
+C -1 ; WX 600 ; N udieresis ; B -1 -15 569 638 ;
+C -1 ; WX 600 ; N notequal ; B 12 -47 537 563 ;
+C -1 ; WX 600 ; N gcommaaccent ; B 30 -146 580 714 ;
+C -1 ; WX 600 ; N eth ; B 58 -27 543 626 ;
+C -1 ; WX 600 ; N zcaron ; B 81 0 520 667 ;
+C -1 ; WX 600 ; N ncommaaccent ; B 18 -250 592 454 ;
+C -1 ; WX 600 ; N onesuperior ; B 153 230 447 616 ;
+C -1 ; WX 600 ; N imacron ; B 77 0 523 585 ;
+C -1 ; WX 600 ; N Euro ; B 0 0 0 0 ;
+EndCharMetrics
+EndFontMetrics

internal/pdf/model/fonts/afms/Courier-BoldOblique.afm

@@ -0,0 +1,342 @@
+StartFontMetrics 4.1
+Comment Copyright (c) 1989, 1990, 1991, 1993, 1997 Adobe Systems Incorporated.  All Rights Reserved.
+Comment Creation Date: Mon Jun 23 16:28:46 1997
+Comment UniqueID 43049
+Comment VMusage 17529 79244
+FontName Courier-BoldOblique
+FullName Courier Bold Oblique
+FamilyName Courier
+Weight Bold
+ItalicAngle -12
+IsFixedPitch true
+CharacterSet ExtendedRoman
+FontBBox -57 -250 869 801 
+UnderlinePosition -100
+UnderlineThickness 50
+Version 003.000
+Notice Copyright (c) 1989, 1990, 1991, 1993, 1997 Adobe Systems Incorporated.  All Rights Reserved.
+EncodingScheme AdobeStandardEncoding
+CapHeight 562
+XHeight 439
+Ascender 629
+Descender -157
+StdHW 84
+StdVW 106
+StartCharMetrics 315
+C 32 ; WX 600 ; N space ; B 0 0 0 0 ;
+C 33 ; WX 600 ; N exclam ; B 215 -15 495 572 ;
+C 34 ; WX 600 ; N quotedbl ; B 211 277 585 562 ;
+C 35 ; WX 600 ; N numbersign ; B 88 -45 641 651 ;
+C 36 ; WX 600 ; N dollar ; B 87 -126 630 666 ;
+C 37 ; WX 600 ; N percent ; B 101 -15 625 616 ;
+C 38 ; WX 600 ; N ampersand ; B 61 -15 595 543 ;
+C 39 ; WX 600 ; N quoteright ; B 229 277 543 562 ;
+C 40 ; WX 600 ; N parenleft ; B 265 -102 592 616 ;
+C 41 ; WX 600 ; N parenright ; B 117 -102 444 616 ;
+C 42 ; WX 600 ; N asterisk ; B 179 219 598 601 ;
+C 43 ; WX 600 ; N plus ; B 114 39 596 478 ;
+C 44 ; WX 600 ; N comma ; B 99 -111 430 174 ;
+C 45 ; WX 600 ; N hyphen ; B 143 203 567 313 ;
+C 46 ; WX 600 ; N period ; B 206 -15 427 171 ;
+C 47 ; WX 600 ; N slash ; B 90 -77 626 626 ;
+C 48 ; WX 600 ; N zero ; B 135 -15 593 616 ;
+C 49 ; WX 600 ; N one ; B 93 0 562 616 ;
+C 50 ; WX 600 ; N two ; B 61 0 594 616 ;
+C 51 ; WX 600 ; N three ; B 71 -15 571 616 ;
+C 52 ; WX 600 ; N four ; B 81 0 559 616 ;
+C 53 ; WX 600 ; N five ; B 77 -15 621 601 ;
+C 54 ; WX 600 ; N six ; B 135 -15 652 616 ;
+C 55 ; WX 600 ; N seven ; B 147 0 622 601 ;
+C 56 ; WX 600 ; N eight ; B 115 -15 604 616 ;
+C 57 ; WX 600 ; N nine ; B 75 -15 592 616 ;
+C 58 ; WX 600 ; N colon ; B 205 -15 480 425 ;
+C 59 ; WX 600 ; N semicolon ; B 99 -111 481 425 ;
+C 60 ; WX 600 ; N less ; B 120 15 613 501 ;
+C 61 ; WX 600 ; N equal ; B 96 118 614 398 ;
+C 62 ; WX 600 ; N greater ; B 97 15 589 501 ;
+C 63 ; WX 600 ; N question ; B 183 -14 592 580 ;
+C 64 ; WX 600 ; N at ; B 65 -15 642 616 ;
+C 65 ; WX 600 ; N A ; B -9 0 632 562 ;
+C 66 ; WX 600 ; N B ; B 30 0 630 562 ;
+C 67 ; WX 600 ; N C ; B 74 -18 675 580 ;
+C 68 ; WX 600 ; N D ; B 30 0 664 562 ;
+C 69 ; WX 600 ; N E ; B 25 0 670 562 ;
+C 70 ; WX 600 ; N F ; B 39 0 684 562 ;
+C 71 ; WX 600 ; N G ; B 74 -18 675 580 ;
+C 72 ; WX 600 ; N H ; B 20 0 700 562 ;
+C 73 ; WX 600 ; N I ; B 77 0 643 562 ;
+C 74 ; WX 600 ; N J ; B 58 -18 721 562 ;
+C 75 ; WX 600 ; N K ; B 21 0 692 562 ;
+C 76 ; WX 600 ; N L ; B 39 0 636 562 ;
+C 77 ; WX 600 ; N M ; B -2 0 722 562 ;
+C 78 ; WX 600 ; N N ; B 8 -12 730 562 ;
+C 79 ; WX 600 ; N O ; B 74 -18 645 580 ;
+C 80 ; WX 600 ; N P ; B 48 0 643 562 ;
+C 81 ; WX 600 ; N Q ; B 83 -138 636 580 ;
+C 82 ; WX 600 ; N R ; B 24 0 617 562 ;
+C 83 ; WX 600 ; N S ; B 54 -22 673 582 ;
+C 84 ; WX 600 ; N T ; B 86 0 679 562 ;
+C 85 ; WX 600 ; N U ; B 101 -18 716 562 ;
+C 86 ; WX 600 ; N V ; B 84 0 733 562 ;
+C 87 ; WX 600 ; N W ; B 79 0 738 562 ;
+C 88 ; WX 600 ; N X ; B 12 0 690 562 ;
+C 89 ; WX 600 ; N Y ; B 109 0 709 562 ;
+C 90 ; WX 600 ; N Z ; B 62 0 637 562 ;
+C 91 ; WX 600 ; N bracketleft ; B 223 -102 606 616 ;
+C 92 ; WX 600 ; N backslash ; B 222 -77 496 626 ;
+C 93 ; WX 600 ; N bracketright ; B 103 -102 486 616 ;
+C 94 ; WX 600 ; N asciicircum ; B 171 250 556 616 ;
+C 95 ; WX 600 ; N underscore ; B -27 -125 585 -75 ;
+C 96 ; WX 600 ; N quoteleft ; B 297 277 487 562 ;
+C 97 ; WX 600 ; N a ; B 61 -15 593 454 ;
+C 98 ; WX 600 ; N b ; B 13 -15 636 626 ;
+C 99 ; WX 600 ; N c ; B 81 -15 631 459 ;
+C 100 ; WX 600 ; N d ; B 60 -15 645 626 ;
+C 101 ; WX 600 ; N e ; B 81 -15 605 454 ;
+C 102 ; WX 600 ; N f ; B 83 0 677 626 ; L i fi ; L l fl ;
+C 103 ; WX 600 ; N g ; B 40 -146 674 454 ;
+C 104 ; WX 600 ; N h ; B 18 0 615 626 ;
+C 105 ; WX 600 ; N i ; B 77 0 546 658 ;
+C 106 ; WX 600 ; N j ; B 36 -146 580 658 ;
+C 107 ; WX 600 ; N k ; B 33 0 643 626 ;
+C 108 ; WX 600 ; N l ; B 77 0 546 626 ;
+C 109 ; WX 600 ; N m ; B -22 0 649 454 ;
+C 110 ; WX 600 ; N n ; B 18 0 615 454 ;
+C 111 ; WX 600 ; N o ; B 71 -15 622 454 ;
+C 112 ; WX 600 ; N p ; B -32 -142 622 454 ;
+C 113 ; WX 600 ; N q ; B 60 -142 685 454 ;
+C 114 ; WX 600 ; N r ; B 47 0 655 454 ;
+C 115 ; WX 600 ; N s ; B 66 -17 608 459 ;
+C 116 ; WX 600 ; N t ; B 118 -15 567 562 ;
+C 117 ; WX 600 ; N u ; B 70 -15 592 439 ;
+C 118 ; WX 600 ; N v ; B 70 0 695 439 ;
+C 119 ; WX 600 ; N w ; B 53 0 712 439 ;
+C 120 ; WX 600 ; N x ; B 6 0 671 439 ;
+C 121 ; WX 600 ; N y ; B -21 -142 695 439 ;
+C 122 ; WX 600 ; N z ; B 81 0 614 439 ;
+C 123 ; WX 600 ; N braceleft ; B 203 -102 595 616 ;
+C 124 ; WX 600 ; N bar ; B 201 -250 505 750 ;
+C 125 ; WX 600 ; N braceright ; B 114 -102 506 616 ;
+C 126 ; WX 600 ; N asciitilde ; B 120 153 590 356 ;
+C 161 ; WX 600 ; N exclamdown ; B 196 -146 477 449 ;
+C 162 ; WX 600 ; N cent ; B 121 -49 605 614 ;
+C 163 ; WX 600 ; N sterling ; B 106 -28 650 611 ;
+C 164 ; WX 600 ; N fraction ; B 22 -60 708 661 ;
+C 165 ; WX 600 ; N yen ; B 98 0 710 562 ;
+C 166 ; WX 600 ; N florin ; B -57 -131 702 616 ;
+C 167 ; WX 600 ; N section ; B 74 -70 620 580 ;
+C 168 ; WX 600 ; N currency ; B 77 49 644 517 ;
+C 169 ; WX 600 ; N quotesingle ; B 303 277 493 562 ;
+C 170 ; WX 600 ; N quotedblleft ; B 190 277 594 562 ;
+C 171 ; WX 600 ; N guillemotleft ; B 62 70 639 446 ;
+C 172 ; WX 600 ; N guilsinglleft ; B 195 70 545 446 ;
+C 173 ; WX 600 ; N guilsinglright ; B 165 70 514 446 ;
+C 174 ; WX 600 ; N fi ; B 12 0 644 626 ;
+C 175 ; WX 600 ; N fl ; B 12 0 644 626 ;
+C 177 ; WX 600 ; N endash ; B 108 203 602 313 ;
+C 178 ; WX 600 ; N dagger ; B 175 -70 586 580 ;
+C 179 ; WX 600 ; N daggerdbl ; B 121 -70 587 580 ;
+C 180 ; WX 600 ; N periodcentered ; B 248 165 461 351 ;
+C 182 ; WX 600 ; N paragraph ; B 61 -70 700 580 ;
+C 183 ; WX 600 ; N bullet ; B 196 132 523 430 ;
+C 184 ; WX 600 ; N quotesinglbase ; B 144 -142 458 143 ;
+C 185 ; WX 600 ; N quotedblbase ; B 34 -142 560 143 ;
+C 186 ; WX 600 ; N quotedblright ; B 119 277 645 562 ;
+C 187 ; WX 600 ; N guillemotright ; B 71 70 647 446 ;
+C 188 ; WX 600 ; N ellipsis ; B 35 -15 587 116 ;
+C 189 ; WX 600 ; N perthousand ; B -45 -15 743 616 ;
+C 191 ; WX 600 ; N questiondown ; B 100 -146 509 449 ;
+C 193 ; WX 600 ; N grave ; B 272 508 503 661 ;
+C 194 ; WX 600 ; N acute ; B 312 508 609 661 ;
+C 195 ; WX 600 ; N circumflex ; B 212 483 607 657 ;
+C 196 ; WX 600 ; N tilde ; B 199 493 643 636 ;
+C 197 ; WX 600 ; N macron ; B 195 505 637 585 ;
+C 198 ; WX 600 ; N breve ; B 217 468 652 631 ;
+C 199 ; WX 600 ; N dotaccent ; B 348 498 493 638 ;
+C 200 ; WX 600 ; N dieresis ; B 246 498 595 638 ;
+C 202 ; WX 600 ; N ring ; B 319 481 528 678 ;
+C 203 ; WX 600 ; N cedilla ; B 168 -206 368 0 ;
+C 205 ; WX 600 ; N hungarumlaut ; B 171 488 729 661 ;
+C 206 ; WX 600 ; N ogonek ; B 143 -199 367 0 ;
+C 207 ; WX 600 ; N caron ; B 238 493 633 667 ;
+C 208 ; WX 600 ; N emdash ; B 33 203 677 313 ;
+C 225 ; WX 600 ; N AE ; B -29 0 708 562 ;
+C 227 ; WX 600 ; N ordfeminine ; B 188 196 526 580 ;
+C 232 ; WX 600 ; N Lslash ; B 39 0 636 562 ;
+C 233 ; WX 600 ; N Oslash ; B 48 -22 673 584 ;
+C 234 ; WX 600 ; N OE ; B 26 0 701 562 ;
+C 235 ; WX 600 ; N ordmasculine ; B 188 196 543 580 ;
+C 241 ; WX 600 ; N ae ; B 21 -15 652 454 ;
+C 245 ; WX 600 ; N dotlessi ; B 77 0 546 439 ;
+C 248 ; WX 600 ; N lslash ; B 77 0 587 626 ;
+C 249 ; WX 600 ; N oslash ; B 54 -24 638 463 ;
+C 250 ; WX 600 ; N oe ; B 18 -15 662 454 ;
+C 251 ; WX 600 ; N germandbls ; B 22 -15 629 626 ;
+C -1 ; WX 600 ; N Idieresis ; B 77 0 643 761 ;
+C -1 ; WX 600 ; N eacute ; B 81 -15 609 661 ;
+C -1 ; WX 600 ; N abreve ; B 61 -15 658 661 ;
+C -1 ; WX 600 ; N uhungarumlaut ; B 70 -15 769 661 ;
+C -1 ; WX 600 ; N ecaron ; B 81 -15 633 667 ;
+C -1 ; WX 600 ; N Ydieresis ; B 109 0 709 761 ;
+C -1 ; WX 600 ; N divide ; B 114 16 596 500 ;
+C -1 ; WX 600 ; N Yacute ; B 109 0 709 784 ;
+C -1 ; WX 600 ; N Acircumflex ; B -9 0 632 780 ;
+C -1 ; WX 600 ; N aacute ; B 61 -15 609 661 ;
+C -1 ; WX 600 ; N Ucircumflex ; B 101 -18 716 780 ;
+C -1 ; WX 600 ; N yacute ; B -21 -142 695 661 ;
+C -1 ; WX 600 ; N scommaaccent ; B 66 -250 608 459 ;
+C -1 ; WX 600 ; N ecircumflex ; B 81 -15 607 657 ;
+C -1 ; WX 600 ; N Uring ; B 101 -18 716 801 ;
+C -1 ; WX 600 ; N Udieresis ; B 101 -18 716 761 ;
+C -1 ; WX 600 ; N aogonek ; B 61 -199 593 454 ;
+C -1 ; WX 600 ; N Uacute ; B 101 -18 716 784 ;
+C -1 ; WX 600 ; N uogonek ; B 70 -199 592 439 ;
+C -1 ; WX 600 ; N Edieresis ; B 25 0 670 761 ;
+C -1 ; WX 600 ; N Dcroat ; B 30 0 664 562 ;
+C -1 ; WX 600 ; N commaaccent ; B 151 -250 385 -57 ;
+C -1 ; WX 600 ; N copyright ; B 53 -18 667 580 ;
+C -1 ; WX 600 ; N Emacron ; B 25 0 670 708 ;
+C -1 ; WX 600 ; N ccaron ; B 81 -15 633 667 ;
+C -1 ; WX 600 ; N aring ; B 61 -15 593 678 ;
+C -1 ; WX 600 ; N Ncommaaccent ; B 8 -250 730 562 ;
+C -1 ; WX 600 ; N lacute ; B 77 0 639 801 ;
+C -1 ; WX 600 ; N agrave ; B 61 -15 593 661 ;
+C -1 ; WX 600 ; N Tcommaaccent ; B 86 -250 679 562 ;
+C -1 ; WX 600 ; N Cacute ; B 74 -18 675 784 ;
+C -1 ; WX 600 ; N atilde ; B 61 -15 643 636 ;
+C -1 ; WX 600 ; N Edotaccent ; B 25 0 670 761 ;
+C -1 ; WX 600 ; N scaron ; B 66 -17 633 667 ;
+C -1 ; WX 600 ; N scedilla ; B 66 -206 608 459 ;
+C -1 ; WX 600 ; N iacute ; B 77 0 609 661 ;
+C -1 ; WX 600 ; N lozenge ; B 145 0 614 740 ;
+C -1 ; WX 600 ; N Rcaron ; B 24 0 659 790 ;
+C -1 ; WX 600 ; N Gcommaaccent ; B 74 -250 675 580 ;
+C -1 ; WX 600 ; N ucircumflex ; B 70 -15 597 657 ;
+C -1 ; WX 600 ; N acircumflex ; B 61 -15 607 657 ;
+C -1 ; WX 600 ; N Amacron ; B -9 0 633 708 ;
+C -1 ; WX 600 ; N rcaron ; B 47 0 655 667 ;
+C -1 ; WX 600 ; N ccedilla ; B 81 -206 631 459 ;
+C -1 ; WX 600 ; N Zdotaccent ; B 62 0 637 761 ;
+C -1 ; WX 600 ; N Thorn ; B 48 0 620 562 ;
+C -1 ; WX 600 ; N Omacron ; B 74 -18 663 708 ;
+C -1 ; WX 600 ; N Racute ; B 24 0 665 784 ;
+C -1 ; WX 600 ; N Sacute ; B 54 -22 673 784 ;
+C -1 ; WX 600 ; N dcaron ; B 60 -15 861 626 ;
+C -1 ; WX 600 ; N Umacron ; B 101 -18 716 708 ;
+C -1 ; WX 600 ; N uring ; B 70 -15 592 678 ;
+C -1 ; WX 600 ; N threesuperior ; B 193 222 526 616 ;
+C -1 ; WX 600 ; N Ograve ; B 74 -18 645 784 ;
+C -1 ; WX 600 ; N Agrave ; B -9 0 632 784 ;
+C -1 ; WX 600 ; N Abreve ; B -9 0 684 784 ;
+C -1 ; WX 600 ; N multiply ; B 104 39 606 478 ;
+C -1 ; WX 600 ; N uacute ; B 70 -15 599 661 ;
+C -1 ; WX 600 ; N Tcaron ; B 86 0 679 790 ;
+C -1 ; WX 600 ; N partialdiff ; B 91 -38 627 728 ;
+C -1 ; WX 600 ; N ydieresis ; B -21 -142 695 638 ;
+C -1 ; WX 600 ; N Nacute ; B 8 -12 730 784 ;
+C -1 ; WX 600 ; N icircumflex ; B 77 0 577 657 ;
+C -1 ; WX 600 ; N Ecircumflex ; B 25 0 670 780 ;
+C -1 ; WX 600 ; N adieresis ; B 61 -15 595 638 ;
+C -1 ; WX 600 ; N edieresis ; B 81 -15 605 638 ;
+C -1 ; WX 600 ; N cacute ; B 81 -15 649 661 ;
+C -1 ; WX 600 ; N nacute ; B 18 0 639 661 ;
+C -1 ; WX 600 ; N umacron ; B 70 -15 637 585 ;
+C -1 ; WX 600 ; N Ncaron ; B 8 -12 730 790 ;
+C -1 ; WX 600 ; N Iacute ; B 77 0 643 784 ;
+C -1 ; WX 600 ; N plusminus ; B 76 24 614 515 ;
+C -1 ; WX 600 ; N brokenbar ; B 217 -175 489 675 ;
+C -1 ; WX 600 ; N registered ; B 53 -18 667 580 ;
+C -1 ; WX 600 ; N Gbreve ; B 74 -18 684 784 ;
+C -1 ; WX 600 ; N Idotaccent ; B 77 0 643 761 ;
+C -1 ; WX 600 ; N summation ; B 15 -10 672 706 ;
+C -1 ; WX 600 ; N Egrave ; B 25 0 670 784 ;
+C -1 ; WX 600 ; N racute ; B 47 0 655 661 ;
+C -1 ; WX 600 ; N omacron ; B 71 -15 637 585 ;
+C -1 ; WX 600 ; N Zacute ; B 62 0 665 784 ;
+C -1 ; WX 600 ; N Zcaron ; B 62 0 659 790 ;
+C -1 ; WX 600 ; N greaterequal ; B 26 0 627 696 ;
+C -1 ; WX 600 ; N Eth ; B 30 0 664 562 ;
+C -1 ; WX 600 ; N Ccedilla ; B 74 -206 675 580 ;
+C -1 ; WX 600 ; N lcommaaccent ; B 77 -250 546 626 ;
+C -1 ; WX 600 ; N tcaron ; B 118 -15 627 703 ;
+C -1 ; WX 600 ; N eogonek ; B 81 -199 605 454 ;
+C -1 ; WX 600 ; N Uogonek ; B 101 -199 716 562 ;
+C -1 ; WX 600 ; N Aacute ; B -9 0 655 784 ;
+C -1 ; WX 600 ; N Adieresis ; B -9 0 632 761 ;
+C -1 ; WX 600 ; N egrave ; B 81 -15 605 661 ;
+C -1 ; WX 600 ; N zacute ; B 81 0 614 661 ;
+C -1 ; WX 600 ; N iogonek ; B 77 -199 546 658 ;
+C -1 ; WX 600 ; N Oacute ; B 74 -18 645 784 ;
+C -1 ; WX 600 ; N oacute ; B 71 -15 649 661 ;
+C -1 ; WX 600 ; N amacron ; B 61 -15 637 585 ;
+C -1 ; WX 600 ; N sacute ; B 66 -17 609 661 ;
+C -1 ; WX 600 ; N idieresis ; B 77 0 561 618 ;
+C -1 ; WX 600 ; N Ocircumflex ; B 74 -18 645 780 ;
+C -1 ; WX 600 ; N Ugrave ; B 101 -18 716 784 ;
+C -1 ; WX 600 ; N Delta ; B 6 0 594 688 ;
+C -1 ; WX 600 ; N thorn ; B -32 -142 622 626 ;
+C -1 ; WX 600 ; N twosuperior ; B 191 230 542 616 ;
+C -1 ; WX 600 ; N Odieresis ; B 74 -18 645 761 ;
+C -1 ; WX 600 ; N mu ; B 49 -142 592 439 ;
+C -1 ; WX 600 ; N igrave ; B 77 0 546 661 ;
+C -1 ; WX 600 ; N ohungarumlaut ; B 71 -15 809 661 ;
+C -1 ; WX 600 ; N Eogonek ; B 25 -199 670 562 ;
+C -1 ; WX 600 ; N dcroat ; B 60 -15 712 626 ;
+C -1 ; WX 600 ; N threequarters ; B 8 -60 699 661 ;
+C -1 ; WX 600 ; N Scedilla ; B 54 -206 673 582 ;
+C -1 ; WX 600 ; N lcaron ; B 77 0 731 626 ;
+C -1 ; WX 600 ; N Kcommaaccent ; B 21 -250 692 562 ;
+C -1 ; WX 600 ; N Lacute ; B 39 0 636 784 ;
+C -1 ; WX 600 ; N trademark ; B 86 230 869 562 ;
+C -1 ; WX 600 ; N edotaccent ; B 81 -15 605 638 ;
+C -1 ; WX 600 ; N Igrave ; B 77 0 643 784 ;
+C -1 ; WX 600 ; N Imacron ; B 77 0 663 708 ;
+C -1 ; WX 600 ; N Lcaron ; B 39 0 757 562 ;
+C -1 ; WX 600 ; N onehalf ; B 22 -60 716 661 ;
+C -1 ; WX 600 ; N lessequal ; B 26 0 671 696 ;
+C -1 ; WX 600 ; N ocircumflex ; B 71 -15 622 657 ;
+C -1 ; WX 600 ; N ntilde ; B 18 0 643 636 ;
+C -1 ; WX 600 ; N Uhungarumlaut ; B 101 -18 805 784 ;
+C -1 ; WX 600 ; N Eacute ; B 25 0 670 784 ;
+C -1 ; WX 600 ; N emacron ; B 81 -15 637 585 ;
+C -1 ; WX 600 ; N gbreve ; B 40 -146 674 661 ;
+C -1 ; WX 600 ; N onequarter ; B 13 -60 707 661 ;
+C -1 ; WX 600 ; N Scaron ; B 54 -22 689 790 ;
+C -1 ; WX 600 ; N Scommaaccent ; B 54 -250 673 582 ;
+C -1 ; WX 600 ; N Ohungarumlaut ; B 74 -18 795 784 ;
+C -1 ; WX 600 ; N degree ; B 173 243 570 616 ;
+C -1 ; WX 600 ; N ograve ; B 71 -15 622 661 ;
+C -1 ; WX 600 ; N Ccaron ; B 74 -18 689 790 ;
+C -1 ; WX 600 ; N ugrave ; B 70 -15 592 661 ;
+C -1 ; WX 600 ; N radical ; B 67 -104 635 778 ;
+C -1 ; WX 600 ; N Dcaron ; B 30 0 664 790 ;
+C -1 ; WX 600 ; N rcommaaccent ; B 47 -250 655 454 ;
+C -1 ; WX 600 ; N Ntilde ; B 8 -12 730 759 ;
+C -1 ; WX 600 ; N otilde ; B 71 -15 643 636 ;
+C -1 ; WX 600 ; N Rcommaaccent ; B 24 -250 617 562 ;
+C -1 ; WX 600 ; N Lcommaaccent ; B 39 -250 636 562 ;
+C -1 ; WX 600 ; N Atilde ; B -9 0 669 759 ;
+C -1 ; WX 600 ; N Aogonek ; B -9 -199 632 562 ;
+C -1 ; WX 600 ; N Aring ; B -9 0 632 801 ;
+C -1 ; WX 600 ; N Otilde ; B 74 -18 669 759 ;
+C -1 ; WX 600 ; N zdotaccent ; B 81 0 614 638 ;
+C -1 ; WX 600 ; N Ecaron ; B 25 0 670 790 ;
+C -1 ; WX 600 ; N Iogonek ; B 77 -199 643 562 ;
+C -1 ; WX 600 ; N kcommaaccent ; B 33 -250 643 626 ;
+C -1 ; WX 600 ; N minus ; B 114 203 596 313 ;
+C -1 ; WX 600 ; N Icircumflex ; B 77 0 643 780 ;
+C -1 ; WX 600 ; N ncaron ; B 18 0 633 667 ;
+C -1 ; WX 600 ; N tcommaaccent ; B 118 -250 567 562 ;
+C -1 ; WX 600 ; N logicalnot ; B 135 103 617 413 ;
+C -1 ; WX 600 ; N odieresis ; B 71 -15 622 638 ;
+C -1 ; WX 600 ; N udieresis ; B 70 -15 595 638 ;
+C -1 ; WX 600 ; N notequal ; B 30 -47 626 563 ;
+C -1 ; WX 600 ; N gcommaaccent ; B 40 -146 674 714 ;
+C -1 ; WX 600 ; N eth ; B 93 -27 661 626 ;
+C -1 ; WX 600 ; N zcaron ; B 81 0 643 667 ;
+C -1 ; WX 600 ; N ncommaaccent ; B 18 -250 615 454 ;
+C -1 ; WX 600 ; N onesuperior ; B 212 230 514 616 ;
+C -1 ; WX 600 ; N imacron ; B 77 0 575 585 ;
+C -1 ; WX 600 ; N Euro ; B 0 0 0 0 ;
+EndCharMetrics
+EndFontMetrics

internal/pdf/model/fonts/afms/Courier-Oblique.afm

@@ -0,0 +1,342 @@
+StartFontMetrics 4.1
+Comment Copyright (c) 1989, 1990, 1991, 1992, 1993, 1997 Adobe Systems Incorporated.  All Rights Reserved.
+Comment Creation Date: Thu May  1 17:37:52 1997
+Comment UniqueID 43051
+Comment VMusage 16248 75829
+FontName Courier-Oblique
+FullName Courier Oblique
+FamilyName Courier
+Weight Medium
+ItalicAngle -12
+IsFixedPitch true
+CharacterSet ExtendedRoman
+FontBBox -27 -250 849 805 
+UnderlinePosition -100
+UnderlineThickness 50
+Version 003.000
+Notice Copyright (c) 1989, 1990, 1991, 1992, 1993, 1997 Adobe Systems Incorporated.  All Rights Reserved.
+EncodingScheme AdobeStandardEncoding
+CapHeight 562
+XHeight 426
+Ascender 629
+Descender -157
+StdHW 51
+StdVW 51
+StartCharMetrics 315
+C 32 ; WX 600 ; N space ; B 0 0 0 0 ;
+C 33 ; WX 600 ; N exclam ; B 243 -15 464 572 ;
+C 34 ; WX 600 ; N quotedbl ; B 273 328 532 562 ;
+C 35 ; WX 600 ; N numbersign ; B 133 -32 596 639 ;
+C 36 ; WX 600 ; N dollar ; B 108 -126 596 662 ;
+C 37 ; WX 600 ; N percent ; B 134 -15 599 622 ;
+C 38 ; WX 600 ; N ampersand ; B 87 -15 580 543 ;
+C 39 ; WX 600 ; N quoteright ; B 283 328 495 562 ;
+C 40 ; WX 600 ; N parenleft ; B 313 -108 572 622 ;
+C 41 ; WX 600 ; N parenright ; B 137 -108 396 622 ;
+C 42 ; WX 600 ; N asterisk ; B 212 257 580 607 ;
+C 43 ; WX 600 ; N plus ; B 129 44 580 470 ;
+C 44 ; WX 600 ; N comma ; B 157 -112 370 122 ;
+C 45 ; WX 600 ; N hyphen ; B 152 231 558 285 ;
+C 46 ; WX 600 ; N period ; B 238 -15 382 109 ;
+C 47 ; WX 600 ; N slash ; B 112 -80 604 629 ;
+C 48 ; WX 600 ; N zero ; B 154 -15 575 622 ;
+C 49 ; WX 600 ; N one ; B 98 0 515 622 ;
+C 50 ; WX 600 ; N two ; B 70 0 568 622 ;
+C 51 ; WX 600 ; N three ; B 82 -15 538 622 ;
+C 52 ; WX 600 ; N four ; B 108 0 541 622 ;
+C 53 ; WX 600 ; N five ; B 99 -15 589 607 ;
+C 54 ; WX 600 ; N six ; B 155 -15 629 622 ;
+C 55 ; WX 600 ; N seven ; B 182 0 612 607 ;
+C 56 ; WX 600 ; N eight ; B 132 -15 588 622 ;
+C 57 ; WX 600 ; N nine ; B 93 -15 574 622 ;
+C 58 ; WX 600 ; N colon ; B 238 -15 441 385 ;
+C 59 ; WX 600 ; N semicolon ; B 157 -112 441 385 ;
+C 60 ; WX 600 ; N less ; B 96 42 610 472 ;
+C 61 ; WX 600 ; N equal ; B 109 138 600 376 ;
+C 62 ; WX 600 ; N greater ; B 85 42 599 472 ;
+C 63 ; WX 600 ; N question ; B 222 -15 583 572 ;
+C 64 ; WX 600 ; N at ; B 127 -15 582 622 ;
+C 65 ; WX 600 ; N A ; B 3 0 607 562 ;
+C 66 ; WX 600 ; N B ; B 43 0 616 562 ;
+C 67 ; WX 600 ; N C ; B 93 -18 655 580 ;
+C 68 ; WX 600 ; N D ; B 43 0 645 562 ;
+C 69 ; WX 600 ; N E ; B 53 0 660 562 ;
+C 70 ; WX 600 ; N F ; B 53 0 660 562 ;
+C 71 ; WX 600 ; N G ; B 83 -18 645 580 ;
+C 72 ; WX 600 ; N H ; B 32 0 687 562 ;
+C 73 ; WX 600 ; N I ; B 96 0 623 562 ;
+C 74 ; WX 600 ; N J ; B 52 -18 685 562 ;
+C 75 ; WX 600 ; N K ; B 38 0 671 562 ;
+C 76 ; WX 600 ; N L ; B 47 0 607 562 ;
+C 77 ; WX 600 ; N M ; B 4 0 715 562 ;
+C 78 ; WX 600 ; N N ; B 7 -13 712 562 ;
+C 79 ; WX 600 ; N O ; B 94 -18 625 580 ;
+C 80 ; WX 600 ; N P ; B 79 0 644 562 ;
+C 81 ; WX 600 ; N Q ; B 95 -138 625 580 ;
+C 82 ; WX 600 ; N R ; B 38 0 598 562 ;
+C 83 ; WX 600 ; N S ; B 76 -20 650 580 ;
+C 84 ; WX 600 ; N T ; B 108 0 665 562 ;
+C 85 ; WX 600 ; N U ; B 125 -18 702 562 ;
+C 86 ; WX 600 ; N V ; B 105 -13 723 562 ;
+C 87 ; WX 600 ; N W ; B 106 -13 722 562 ;
+C 88 ; WX 600 ; N X ; B 23 0 675 562 ;
+C 89 ; WX 600 ; N Y ; B 133 0 695 562 ;
+C 90 ; WX 600 ; N Z ; B 86 0 610 562 ;
+C 91 ; WX 600 ; N bracketleft ; B 246 -108 574 622 ;
+C 92 ; WX 600 ; N backslash ; B 249 -80 468 629 ;
+C 93 ; WX 600 ; N bracketright ; B 135 -108 463 622 ;
+C 94 ; WX 600 ; N asciicircum ; B 175 354 587 622 ;
+C 95 ; WX 600 ; N underscore ; B -27 -125 584 -75 ;
+C 96 ; WX 600 ; N quoteleft ; B 343 328 457 562 ;
+C 97 ; WX 600 ; N a ; B 76 -15 569 441 ;
+C 98 ; WX 600 ; N b ; B 29 -15 625 629 ;
+C 99 ; WX 600 ; N c ; B 106 -15 608 441 ;
+C 100 ; WX 600 ; N d ; B 85 -15 640 629 ;
+C 101 ; WX 600 ; N e ; B 106 -15 598 441 ;
+C 102 ; WX 600 ; N f ; B 114 0 662 629 ; L i fi ; L l fl ;
+C 103 ; WX 600 ; N g ; B 61 -157 657 441 ;
+C 104 ; WX 600 ; N h ; B 33 0 592 629 ;
+C 105 ; WX 600 ; N i ; B 95 0 515 657 ;
+C 106 ; WX 600 ; N j ; B 52 -157 550 657 ;
+C 107 ; WX 600 ; N k ; B 58 0 633 629 ;
+C 108 ; WX 600 ; N l ; B 95 0 515 629 ;
+C 109 ; WX 600 ; N m ; B -5 0 615 441 ;
+C 110 ; WX 600 ; N n ; B 26 0 585 441 ;
+C 111 ; WX 600 ; N o ; B 102 -15 588 441 ;
+C 112 ; WX 600 ; N p ; B -24 -157 605 441 ;
+C 113 ; WX 600 ; N q ; B 85 -157 682 441 ;
+C 114 ; WX 600 ; N r ; B 60 0 636 441 ;
+C 115 ; WX 600 ; N s ; B 78 -15 584 441 ;
+C 116 ; WX 600 ; N t ; B 167 -15 561 561 ;
+C 117 ; WX 600 ; N u ; B 101 -15 572 426 ;
+C 118 ; WX 600 ; N v ; B 90 -10 681 426 ;
+C 119 ; WX 600 ; N w ; B 76 -10 695 426 ;
+C 120 ; WX 600 ; N x ; B 20 0 655 426 ;
+C 121 ; WX 600 ; N y ; B -4 -157 683 426 ;
+C 122 ; WX 600 ; N z ; B 99 0 593 426 ;
+C 123 ; WX 600 ; N braceleft ; B 233 -108 569 622 ;
+C 124 ; WX 600 ; N bar ; B 222 -250 485 750 ;
+C 125 ; WX 600 ; N braceright ; B 140 -108 477 622 ;
+C 126 ; WX 600 ; N asciitilde ; B 116 197 600 320 ;
+C 161 ; WX 600 ; N exclamdown ; B 225 -157 445 430 ;
+C 162 ; WX 600 ; N cent ; B 151 -49 588 614 ;
+C 163 ; WX 600 ; N sterling ; B 124 -21 621 611 ;
+C 164 ; WX 600 ; N fraction ; B 84 -57 646 665 ;
+C 165 ; WX 600 ; N yen ; B 120 0 693 562 ;
+C 166 ; WX 600 ; N florin ; B -26 -143 671 622 ;
+C 167 ; WX 600 ; N section ; B 104 -78 590 580 ;
+C 168 ; WX 600 ; N currency ; B 94 58 628 506 ;
+C 169 ; WX 600 ; N quotesingle ; B 345 328 460 562 ;
+C 170 ; WX 600 ; N quotedblleft ; B 262 328 541 562 ;
+C 171 ; WX 600 ; N guillemotleft ; B 92 70 652 446 ;
+C 172 ; WX 600 ; N guilsinglleft ; B 204 70 540 446 ;
+C 173 ; WX 600 ; N guilsinglright ; B 170 70 506 446 ;
+C 174 ; WX 600 ; N fi ; B 3 0 619 629 ;
+C 175 ; WX 600 ; N fl ; B 3 0 619 629 ;
+C 177 ; WX 600 ; N endash ; B 124 231 586 285 ;
+C 178 ; WX 600 ; N dagger ; B 217 -78 546 580 ;
+C 179 ; WX 600 ; N daggerdbl ; B 163 -78 546 580 ;
+C 180 ; WX 600 ; N periodcentered ; B 275 189 434 327 ;
+C 182 ; WX 600 ; N paragraph ; B 100 -78 630 562 ;
+C 183 ; WX 600 ; N bullet ; B 224 130 485 383 ;
+C 184 ; WX 600 ; N quotesinglbase ; B 185 -134 397 100 ;
+C 185 ; WX 600 ; N quotedblbase ; B 115 -134 478 100 ;
+C 186 ; WX 600 ; N quotedblright ; B 213 328 576 562 ;
+C 187 ; WX 600 ; N guillemotright ; B 58 70 618 446 ;
+C 188 ; WX 600 ; N ellipsis ; B 46 -15 575 111 ;
+C 189 ; WX 600 ; N perthousand ; B 59 -15 627 622 ;
+C 191 ; WX 600 ; N questiondown ; B 105 -157 466 430 ;
+C 193 ; WX 600 ; N grave ; B 294 497 484 672 ;
+C 194 ; WX 600 ; N acute ; B 348 497 612 672 ;
+C 195 ; WX 600 ; N circumflex ; B 229 477 581 654 ;
+C 196 ; WX 600 ; N tilde ; B 212 489 629 606 ;
+C 197 ; WX 600 ; N macron ; B 232 525 600 565 ;
+C 198 ; WX 600 ; N breve ; B 279 501 576 609 ;
+C 199 ; WX 600 ; N dotaccent ; B 373 537 478 640 ;
+C 200 ; WX 600 ; N dieresis ; B 272 537 579 640 ;
+C 202 ; WX 600 ; N ring ; B 332 463 500 627 ;
+C 203 ; WX 600 ; N cedilla ; B 197 -151 344 10 ;
+C 205 ; WX 600 ; N hungarumlaut ; B 239 497 683 672 ;
+C 206 ; WX 600 ; N ogonek ; B 189 -172 377 4 ;
+C 207 ; WX 600 ; N caron ; B 262 492 614 669 ;
+C 208 ; WX 600 ; N emdash ; B 49 231 661 285 ;
+C 225 ; WX 600 ; N AE ; B 3 0 655 562 ;
+C 227 ; WX 600 ; N ordfeminine ; B 209 249 512 580 ;
+C 232 ; WX 600 ; N Lslash ; B 47 0 607 562 ;
+C 233 ; WX 600 ; N Oslash ; B 94 -80 625 629 ;
+C 234 ; WX 600 ; N OE ; B 59 0 672 562 ;
+C 235 ; WX 600 ; N ordmasculine ; B 210 249 535 580 ;
+C 241 ; WX 600 ; N ae ; B 41 -15 626 441 ;
+C 245 ; WX 600 ; N dotlessi ; B 95 0 515 426 ;
+C 248 ; WX 600 ; N lslash ; B 95 0 587 629 ;
+C 249 ; WX 600 ; N oslash ; B 102 -80 588 506 ;
+C 250 ; WX 600 ; N oe ; B 54 -15 615 441 ;
+C 251 ; WX 600 ; N germandbls ; B 48 -15 617 629 ;
+C -1 ; WX 600 ; N Idieresis ; B 96 0 623 753 ;
+C -1 ; WX 600 ; N eacute ; B 106 -15 612 672 ;
+C -1 ; WX 600 ; N abreve ; B 76 -15 576 609 ;
+C -1 ; WX 600 ; N uhungarumlaut ; B 101 -15 723 672 ;
+C -1 ; WX 600 ; N ecaron ; B 106 -15 614 669 ;
+C -1 ; WX 600 ; N Ydieresis ; B 133 0 695 753 ;
+C -1 ; WX 600 ; N divide ; B 136 48 573 467 ;
+C -1 ; WX 600 ; N Yacute ; B 133 0 695 805 ;
+C -1 ; WX 600 ; N Acircumflex ; B 3 0 607 787 ;
+C -1 ; WX 600 ; N aacute ; B 76 -15 612 672 ;
+C -1 ; WX 600 ; N Ucircumflex ; B 125 -18 702 787 ;
+C -1 ; WX 600 ; N yacute ; B -4 -157 683 672 ;
+C -1 ; WX 600 ; N scommaaccent ; B 78 -250 584 441 ;
+C -1 ; WX 600 ; N ecircumflex ; B 106 -15 598 654 ;
+C -1 ; WX 600 ; N Uring ; B 125 -18 702 760 ;
+C -1 ; WX 600 ; N Udieresis ; B 125 -18 702 753 ;
+C -1 ; WX 600 ; N aogonek ; B 76 -172 569 441 ;
+C -1 ; WX 600 ; N Uacute ; B 125 -18 702 805 ;
+C -1 ; WX 600 ; N uogonek ; B 101 -172 572 426 ;
+C -1 ; WX 600 ; N Edieresis ; B 53 0 660 753 ;
+C -1 ; WX 600 ; N Dcroat ; B 43 0 645 562 ;
+C -1 ; WX 600 ; N commaaccent ; B 145 -250 323 -58 ;
+C -1 ; WX 600 ; N copyright ; B 53 -18 667 580 ;
+C -1 ; WX 600 ; N Emacron ; B 53 0 660 698 ;
+C -1 ; WX 600 ; N ccaron ; B 106 -15 614 669 ;
+C -1 ; WX 600 ; N aring ; B 76 -15 569 627 ;
+C -1 ; WX 600 ; N Ncommaaccent ; B 7 -250 712 562 ;
+C -1 ; WX 600 ; N lacute ; B 95 0 640 805 ;
+C -1 ; WX 600 ; N agrave ; B 76 -15 569 672 ;
+C -1 ; WX 600 ; N Tcommaaccent ; B 108 -250 665 562 ;
+C -1 ; WX 600 ; N Cacute ; B 93 -18 655 805 ;
+C -1 ; WX 600 ; N atilde ; B 76 -15 629 606 ;
+C -1 ; WX 600 ; N Edotaccent ; B 53 0 660 753 ;
+C -1 ; WX 600 ; N scaron ; B 78 -15 614 669 ;
+C -1 ; WX 600 ; N scedilla ; B 78 -151 584 441 ;
+C -1 ; WX 600 ; N iacute ; B 95 0 612 672 ;
+C -1 ; WX 600 ; N lozenge ; B 94 0 519 706 ;
+C -1 ; WX 600 ; N Rcaron ; B 38 0 642 802 ;
+C -1 ; WX 600 ; N Gcommaaccent ; B 83 -250 645 580 ;
+C -1 ; WX 600 ; N ucircumflex ; B 101 -15 572 654 ;
+C -1 ; WX 600 ; N acircumflex ; B 76 -15 581 654 ;
+C -1 ; WX 600 ; N Amacron ; B 3 0 607 698 ;
+C -1 ; WX 600 ; N rcaron ; B 60 0 636 669 ;
+C -1 ; WX 600 ; N ccedilla ; B 106 -151 614 441 ;
+C -1 ; WX 600 ; N Zdotaccent ; B 86 0 610 753 ;
+C -1 ; WX 600 ; N Thorn ; B 79 0 606 562 ;
+C -1 ; WX 600 ; N Omacron ; B 94 -18 628 698 ;
+C -1 ; WX 600 ; N Racute ; B 38 0 670 805 ;
+C -1 ; WX 600 ; N Sacute ; B 76 -20 650 805 ;
+C -1 ; WX 600 ; N dcaron ; B 85 -15 849 629 ;
+C -1 ; WX 600 ; N Umacron ; B 125 -18 702 698 ;
+C -1 ; WX 600 ; N uring ; B 101 -15 572 627 ;
+C -1 ; WX 600 ; N threesuperior ; B 213 240 501 622 ;
+C -1 ; WX 600 ; N Ograve ; B 94 -18 625 805 ;
+C -1 ; WX 600 ; N Agrave ; B 3 0 607 805 ;
+C -1 ; WX 600 ; N Abreve ; B 3 0 607 732 ;
+C -1 ; WX 600 ; N multiply ; B 103 43 607 470 ;
+C -1 ; WX 600 ; N uacute ; B 101 -15 602 672 ;
+C -1 ; WX 600 ; N Tcaron ; B 108 0 665 802 ;
+C -1 ; WX 600 ; N partialdiff ; B 45 -38 546 710 ;
+C -1 ; WX 600 ; N ydieresis ; B -4 -157 683 620 ;
+C -1 ; WX 600 ; N Nacute ; B 7 -13 712 805 ;
+C -1 ; WX 600 ; N icircumflex ; B 95 0 551 654 ;
+C -1 ; WX 600 ; N Ecircumflex ; B 53 0 660 787 ;
+C -1 ; WX 600 ; N adieresis ; B 76 -15 575 620 ;
+C -1 ; WX 600 ; N edieresis ; B 106 -15 598 620 ;
+C -1 ; WX 600 ; N cacute ; B 106 -15 612 672 ;
+C -1 ; WX 600 ; N nacute ; B 26 0 602 672 ;
+C -1 ; WX 600 ; N umacron ; B 101 -15 600 565 ;
+C -1 ; WX 600 ; N Ncaron ; B 7 -13 712 802 ;
+C -1 ; WX 600 ; N Iacute ; B 96 0 640 805 ;
+C -1 ; WX 600 ; N plusminus ; B 96 44 594 558 ;
+C -1 ; WX 600 ; N brokenbar ; B 238 -175 469 675 ;
+C -1 ; WX 600 ; N registered ; B 53 -18 667 580 ;
+C -1 ; WX 600 ; N Gbreve ; B 83 -18 645 732 ;
+C -1 ; WX 600 ; N Idotaccent ; B 96 0 623 753 ;
+C -1 ; WX 600 ; N summation ; B 15 -10 670 706 ;
+C -1 ; WX 600 ; N Egrave ; B 53 0 660 805 ;
+C -1 ; WX 600 ; N racute ; B 60 0 636 672 ;
+C -1 ; WX 600 ; N omacron ; B 102 -15 600 565 ;
+C -1 ; WX 600 ; N Zacute ; B 86 0 670 805 ;
+C -1 ; WX 600 ; N Zcaron ; B 86 0 642 802 ;
+C -1 ; WX 600 ; N greaterequal ; B 98 0 594 710 ;
+C -1 ; WX 600 ; N Eth ; B 43 0 645 562 ;
+C -1 ; WX 600 ; N Ccedilla ; B 93 -151 658 580 ;
+C -1 ; WX 600 ; N lcommaaccent ; B 95 -250 515 629 ;
+C -1 ; WX 600 ; N tcaron ; B 167 -15 587 717 ;
+C -1 ; WX 600 ; N eogonek ; B 106 -172 598 441 ;
+C -1 ; WX 600 ; N Uogonek ; B 124 -172 702 562 ;
+C -1 ; WX 600 ; N Aacute ; B 3 0 660 805 ;
+C -1 ; WX 600 ; N Adieresis ; B 3 0 607 753 ;
+C -1 ; WX 600 ; N egrave ; B 106 -15 598 672 ;
+C -1 ; WX 600 ; N zacute ; B 99 0 612 672 ;
+C -1 ; WX 600 ; N iogonek ; B 95 -172 515 657 ;
+C -1 ; WX 600 ; N Oacute ; B 94 -18 640 805 ;
+C -1 ; WX 600 ; N oacute ; B 102 -15 612 672 ;
+C -1 ; WX 600 ; N amacron ; B 76 -15 600 565 ;
+C -1 ; WX 600 ; N sacute ; B 78 -15 612 672 ;
+C -1 ; WX 600 ; N idieresis ; B 95 0 545 620 ;
+C -1 ; WX 600 ; N Ocircumflex ; B 94 -18 625 787 ;
+C -1 ; WX 600 ; N Ugrave ; B 125 -18 702 805 ;
+C -1 ; WX 600 ; N Delta ; B 6 0 598 688 ;
+C -1 ; WX 600 ; N thorn ; B -24 -157 605 629 ;
+C -1 ; WX 600 ; N twosuperior ; B 230 249 535 622 ;
+C -1 ; WX 600 ; N Odieresis ; B 94 -18 625 753 ;
+C -1 ; WX 600 ; N mu ; B 72 -157 572 426 ;
+C -1 ; WX 600 ; N igrave ; B 95 0 515 672 ;
+C -1 ; WX 600 ; N ohungarumlaut ; B 102 -15 723 672 ;
+C -1 ; WX 600 ; N Eogonek ; B 53 -172 660 562 ;
+C -1 ; WX 600 ; N dcroat ; B 85 -15 704 629 ;
+C -1 ; WX 600 ; N threequarters ; B 73 -56 659 666 ;
+C -1 ; WX 600 ; N Scedilla ; B 76 -151 650 580 ;
+C -1 ; WX 600 ; N lcaron ; B 95 0 667 629 ;
+C -1 ; WX 600 ; N Kcommaaccent ; B 38 -250 671 562 ;
+C -1 ; WX 600 ; N Lacute ; B 47 0 607 805 ;
+C -1 ; WX 600 ; N trademark ; B 75 263 742 562 ;
+C -1 ; WX 600 ; N edotaccent ; B 106 -15 598 620 ;
+C -1 ; WX 600 ; N Igrave ; B 96 0 623 805 ;
+C -1 ; WX 600 ; N Imacron ; B 96 0 628 698 ;
+C -1 ; WX 600 ; N Lcaron ; B 47 0 632 562 ;
+C -1 ; WX 600 ; N onehalf ; B 65 -57 669 665 ;
+C -1 ; WX 600 ; N lessequal ; B 98 0 645 710 ;
+C -1 ; WX 600 ; N ocircumflex ; B 102 -15 588 654 ;
+C -1 ; WX 600 ; N ntilde ; B 26 0 629 606 ;
+C -1 ; WX 600 ; N Uhungarumlaut ; B 125 -18 761 805 ;
+C -1 ; WX 600 ; N Eacute ; B 53 0 670 805 ;
+C -1 ; WX 600 ; N emacron ; B 106 -15 600 565 ;
+C -1 ; WX 600 ; N gbreve ; B 61 -157 657 609 ;
+C -1 ; WX 600 ; N onequarter ; B 65 -57 674 665 ;
+C -1 ; WX 600 ; N Scaron ; B 76 -20 672 802 ;
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internal/pdf/model/fonts/afms/Courier.afm

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+C 163 ; WX 600 ; N sterling ; B 84 -21 521 611 ;
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+C 166 ; WX 600 ; N florin ; B 4 -143 539 622 ;
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+C -1 ; WX 600 ; N divide ; B 87 48 513 467 ;
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+C -1 ; WX 600 ; N scaron ; B 80 -15 513 669 ;
+C -1 ; WX 600 ; N scedilla ; B 80 -151 513 441 ;
+C -1 ; WX 600 ; N iacute ; B 95 0 505 672 ;
+C -1 ; WX 600 ; N lozenge ; B 18 0 443 706 ;
+C -1 ; WX 600 ; N Rcaron ; B 38 0 588 802 ;
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+C -1 ; WX 600 ; N partialdiff ; B 17 -38 459 710 ;
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+C -1 ; WX 600 ; N Nacute ; B 7 -13 593 805 ;
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+C -1 ; WX 600 ; N adieresis ; B 53 -15 559 620 ;
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+C -1 ; WX 600 ; N umacron ; B 21 -15 562 565 ;
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+C -1 ; WX 600 ; N Egrave ; B 53 0 550 805 ;
+C -1 ; WX 600 ; N racute ; B 60 0 559 672 ;
+C -1 ; WX 600 ; N omacron ; B 62 -15 538 565 ;
+C -1 ; WX 600 ; N Zacute ; B 86 0 514 805 ;
+C -1 ; WX 600 ; N Zcaron ; B 86 0 514 802 ;
+C -1 ; WX 600 ; N greaterequal ; B 98 0 502 710 ;
+C -1 ; WX 600 ; N Eth ; B 30 0 574 562 ;
+C -1 ; WX 600 ; N Ccedilla ; B 41 -151 540 580 ;
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+C -1 ; WX 600 ; N eogonek ; B 66 -172 548 441 ;
+C -1 ; WX 600 ; N Uogonek ; B 17 -172 583 562 ;
+C -1 ; WX 600 ; N Aacute ; B 3 0 597 805 ;
+C -1 ; WX 600 ; N Adieresis ; B 3 0 597 753 ;
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+C -1 ; WX 600 ; N zacute ; B 99 0 502 672 ;
+C -1 ; WX 600 ; N iogonek ; B 95 -172 505 657 ;
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+C -1 ; WX 600 ; N oacute ; B 62 -15 538 672 ;
+C -1 ; WX 600 ; N amacron ; B 53 -15 559 565 ;
+C -1 ; WX 600 ; N sacute ; B 80 -15 513 672 ;
+C -1 ; WX 600 ; N idieresis ; B 95 0 505 620 ;
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+C -1 ; WX 600 ; N thorn ; B -6 -157 555 629 ;
+C -1 ; WX 600 ; N twosuperior ; B 177 249 424 622 ;
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+C -1 ; WX 600 ; N ohungarumlaut ; B 62 -15 580 672 ;
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+C -1 ; WX 600 ; N onehalf ; B 0 -57 611 665 ;
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+C -1 ; WX 600 ; N ntilde ; B 26 0 575 606 ;
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+C -1 ; WX 600 ; N Aogonek ; B 3 -172 608 562 ;
+C -1 ; WX 600 ; N Aring ; B 3 0 597 750 ;
+C -1 ; WX 600 ; N Otilde ; B 43 -18 557 729 ;
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+C -1 ; WX 600 ; N Ecaron ; B 53 0 550 802 ;
+C -1 ; WX 600 ; N Iogonek ; B 96 -172 504 562 ;
+C -1 ; WX 600 ; N kcommaaccent ; B 43 -250 580 629 ;
+C -1 ; WX 600 ; N minus ; B 80 232 520 283 ;
+C -1 ; WX 600 ; N Icircumflex ; B 96 0 504 787 ;
+C -1 ; WX 600 ; N ncaron ; B 26 0 575 669 ;
+C -1 ; WX 600 ; N tcommaaccent ; B 87 -250 530 561 ;
+C -1 ; WX 600 ; N logicalnot ; B 87 108 513 369 ;
+C -1 ; WX 600 ; N odieresis ; B 62 -15 538 620 ;
+C -1 ; WX 600 ; N udieresis ; B 21 -15 562 620 ;
+C -1 ; WX 600 ; N notequal ; B 15 -16 540 529 ;
+C -1 ; WX 600 ; N gcommaaccent ; B 45 -157 566 708 ;
+C -1 ; WX 600 ; N eth ; B 62 -15 538 629 ;
+C -1 ; WX 600 ; N zcaron ; B 99 0 502 669 ;
+C -1 ; WX 600 ; N ncommaaccent ; B 26 -250 575 441 ;
+C -1 ; WX 600 ; N onesuperior ; B 172 249 428 622 ;
+C -1 ; WX 600 ; N imacron ; B 95 0 505 565 ;
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internal/pdf/model/fonts/afms/MustRead.html

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internal/pdf/model/fonts/afms/ZapfDingbats.afm

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+C 203 ; WX 788 ; N a151 ; B 35 -14 754 705 ;
+C 204 ; WX 788 ; N a152 ; B 35 -14 754 705 ;
+C 205 ; WX 788 ; N a153 ; B 35 -14 754 705 ;
+C 206 ; WX 788 ; N a154 ; B 35 -14 754 705 ;
+C 207 ; WX 788 ; N a155 ; B 35 -14 754 705 ;
+C 208 ; WX 788 ; N a156 ; B 35 -14 754 705 ;
+C 209 ; WX 788 ; N a157 ; B 35 -14 754 705 ;
+C 210 ; WX 788 ; N a158 ; B 35 -14 754 705 ;
+C 211 ; WX 788 ; N a159 ; B 35 -14 754 705 ;
+C 212 ; WX 894 ; N a160 ; B 35 58 860 634 ;
+C 213 ; WX 838 ; N a161 ; B 35 152 803 540 ;
+C 214 ; WX 1016 ; N a163 ; B 34 152 981 540 ;
+C 215 ; WX 458 ; N a164 ; B 35 -127 422 820 ;
+C 216 ; WX 748 ; N a196 ; B 35 94 698 597 ;
+C 217 ; WX 924 ; N a165 ; B 35 140 890 552 ;
+C 218 ; WX 748 ; N a192 ; B 35 94 698 597 ;
+C 219 ; WX 918 ; N a166 ; B 35 166 884 526 ;
+C 220 ; WX 927 ; N a167 ; B 35 32 892 660 ;
+C 221 ; WX 928 ; N a168 ; B 35 129 891 562 ;
+C 222 ; WX 928 ; N a169 ; B 35 128 893 563 ;
+C 223 ; WX 834 ; N a170 ; B 35 155 799 537 ;
+C 224 ; WX 873 ; N a171 ; B 35 93 838 599 ;
+C 225 ; WX 828 ; N a172 ; B 35 104 791 588 ;
+C 226 ; WX 924 ; N a173 ; B 35 98 889 594 ;
+C 227 ; WX 924 ; N a162 ; B 35 98 889 594 ;
+C 228 ; WX 917 ; N a174 ; B 35 0 882 692 ;
+C 229 ; WX 930 ; N a175 ; B 35 84 896 608 ;
+C 230 ; WX 931 ; N a176 ; B 35 84 896 608 ;
+C 231 ; WX 463 ; N a177 ; B 35 -99 429 791 ;
+C 232 ; WX 883 ; N a178 ; B 35 71 848 623 ;
+C 233 ; WX 836 ; N a179 ; B 35 44 802 648 ;
+C 234 ; WX 836 ; N a193 ; B 35 44 802 648 ;
+C 235 ; WX 867 ; N a180 ; B 35 101 832 591 ;
+C 236 ; WX 867 ; N a199 ; B 35 101 832 591 ;
+C 237 ; WX 696 ; N a181 ; B 35 44 661 648 ;
+C 238 ; WX 696 ; N a200 ; B 35 44 661 648 ;
+C 239 ; WX 874 ; N a182 ; B 35 77 840 619 ;
+C 241 ; WX 874 ; N a201 ; B 35 73 840 615 ;
+C 242 ; WX 760 ; N a183 ; B 35 0 725 692 ;
+C 243 ; WX 946 ; N a184 ; B 35 160 911 533 ;
+C 244 ; WX 771 ; N a197 ; B 34 37 736 655 ;
+C 245 ; WX 865 ; N a185 ; B 35 207 830 481 ;
+C 246 ; WX 771 ; N a194 ; B 34 37 736 655 ;
+C 247 ; WX 888 ; N a198 ; B 34 -19 853 712 ;
+C 248 ; WX 967 ; N a186 ; B 35 124 932 568 ;
+C 249 ; WX 888 ; N a195 ; B 34 -19 853 712 ;
+C 250 ; WX 831 ; N a187 ; B 35 113 796 579 ;
+C 251 ; WX 873 ; N a188 ; B 36 118 838 578 ;
+C 252 ; WX 927 ; N a189 ; B 35 150 891 542 ;
+C 253 ; WX 970 ; N a190 ; B 35 76 931 616 ;
+C 254 ; WX 918 ; N a191 ; B 34 99 884 593 ;
+EndCharMetrics
+EndFontMetrics

internal/pdf/model/fonts/courier.go

@@ -0,0 +1,362 @@
+package fonts
+
+import (
+	"gitea.tecamino.com/paadi/pdfmerge/internal/pdf/core"
+	"gitea.tecamino.com/paadi/pdfmerge/internal/pdf/model/textencoding"
+)
+
+// Font Courier.  Implements Font interface.
+// This is a built-in font and it is assumed that every reader has access to it.
+type fontCourier struct {
+	encoder textencoding.TextEncoder
+}
+
+func NewFontCourier() fontCourier {
+	font := fontCourier{}
+	font.encoder = textencoding.NewWinAnsiTextEncoder() // Default
+	return font
+}
+
+func (font fontCourier) SetEncoder(encoder textencoding.TextEncoder) {
+	font.encoder = encoder
+}
+
+func (font fontCourier) GetGlyphCharMetrics(glyph string) (CharMetrics, bool) {
+	metrics, has := courierCharMetrics[glyph]
+	if !has {
+		return metrics, false
+	}
+
+	return metrics, true
+}
+
+func (font fontCourier) ToPdfObject() core.PdfObject {
+	obj := &core.PdfIndirectObject{}
+
+	fontDict := core.MakeDict()
+	fontDict.Set("Type", core.MakeName("Font"))
+	fontDict.Set("Subtype", core.MakeName("Type1"))
+	fontDict.Set("BaseFont", core.MakeName("Courier"))
+	fontDict.Set("Encoding", font.encoder.ToPdfObject())
+
+	obj.PdfObject = fontDict
+	return obj
+}
+
+var courierCharMetrics map[string]CharMetrics = map[string]CharMetrics{
+	"A":              {GlyphName: "A", Wx: 600.000000, Wy: 0.000000},
+	"AE":             {GlyphName: "AE", Wx: 600.000000, Wy: 0.000000},
+	"Aacute":         {GlyphName: "Aacute", Wx: 600.000000, Wy: 0.000000},
+	"Abreve":         {GlyphName: "Abreve", Wx: 600.000000, Wy: 0.000000},
+	"Acircumflex":    {GlyphName: "Acircumflex", Wx: 600.000000, Wy: 0.000000},
+	"Adieresis":      {GlyphName: "Adieresis", Wx: 600.000000, Wy: 0.000000},
+	"Agrave":         {GlyphName: "Agrave", Wx: 600.000000, Wy: 0.000000},
+	"Amacron":        {GlyphName: "Amacron", Wx: 600.000000, Wy: 0.000000},
+	"Aogonek":        {GlyphName: "Aogonek", Wx: 600.000000, Wy: 0.000000},
+	"Aring":          {GlyphName: "Aring", Wx: 600.000000, Wy: 0.000000},
+	"Atilde":         {GlyphName: "Atilde", Wx: 600.000000, Wy: 0.000000},
+	"B":              {GlyphName: "B", Wx: 600.000000, Wy: 0.000000},
+	"C":              {GlyphName: "C", Wx: 600.000000, Wy: 0.000000},
+	"Cacute":         {GlyphName: "Cacute", Wx: 600.000000, Wy: 0.000000},
+	"Ccaron":         {GlyphName: "Ccaron", Wx: 600.000000, Wy: 0.000000},
+	"Ccedilla":       {GlyphName: "Ccedilla", Wx: 600.000000, Wy: 0.000000},
+	"D":              {GlyphName: "D", Wx: 600.000000, Wy: 0.000000},
+	"Dcaron":         {GlyphName: "Dcaron", Wx: 600.000000, Wy: 0.000000},
+	"Dcroat":         {GlyphName: "Dcroat", Wx: 600.000000, Wy: 0.000000},
+	"Delta":          {GlyphName: "Delta", Wx: 600.000000, Wy: 0.000000},
+	"E":              {GlyphName: "E", Wx: 600.000000, Wy: 0.000000},
+	"Eacute":         {GlyphName: "Eacute", Wx: 600.000000, Wy: 0.000000},
+	"Ecaron":         {GlyphName: "Ecaron", Wx: 600.000000, Wy: 0.000000},
+	"Ecircumflex":    {GlyphName: "Ecircumflex", Wx: 600.000000, Wy: 0.000000},
+	"Edieresis":      {GlyphName: "Edieresis", Wx: 600.000000, Wy: 0.000000},
+	"Edotaccent":     {GlyphName: "Edotaccent", Wx: 600.000000, Wy: 0.000000},
+	"Egrave":         {GlyphName: "Egrave", Wx: 600.000000, Wy: 0.000000},
+	"Emacron":        {GlyphName: "Emacron", Wx: 600.000000, Wy: 0.000000},
+	"Eogonek":        {GlyphName: "Eogonek", Wx: 600.000000, Wy: 0.000000},
+	"Eth":            {GlyphName: "Eth", Wx: 600.000000, Wy: 0.000000},
+	"Euro":           {GlyphName: "Euro", Wx: 600.000000, Wy: 0.000000},
+	"F":              {GlyphName: "F", Wx: 600.000000, Wy: 0.000000},
+	"G":              {GlyphName: "G", Wx: 600.000000, Wy: 0.000000},
+	"Gbreve":         {GlyphName: "Gbreve", Wx: 600.000000, Wy: 0.000000},
+	"Gcommaaccent":   {GlyphName: "Gcommaaccent", Wx: 600.000000, Wy: 0.000000},
+	"H":              {GlyphName: "H", Wx: 600.000000, Wy: 0.000000},
+	"I":              {GlyphName: "I", Wx: 600.000000, Wy: 0.000000},
+	"Iacute":         {GlyphName: "Iacute", Wx: 600.000000, Wy: 0.000000},
+	"Icircumflex":    {GlyphName: "Icircumflex", Wx: 600.000000, Wy: 0.000000},
+	"Idieresis":      {GlyphName: "Idieresis", Wx: 600.000000, Wy: 0.000000},
+	"Idotaccent":     {GlyphName: "Idotaccent", Wx: 600.000000, Wy: 0.000000},
+	"Igrave":         {GlyphName: "Igrave", Wx: 600.000000, Wy: 0.000000},
+	"Imacron":        {GlyphName: "Imacron", Wx: 600.000000, Wy: 0.000000},
+	"Iogonek":        {GlyphName: "Iogonek", Wx: 600.000000, Wy: 0.000000},
+	"J":              {GlyphName: "J", Wx: 600.000000, Wy: 0.000000},
+	"K":              {GlyphName: "K", Wx: 600.000000, Wy: 0.000000},
+	"Kcommaaccent":   {GlyphName: "Kcommaaccent", Wx: 600.000000, Wy: 0.000000},
+	"L":              {GlyphName: "L", Wx: 600.000000, Wy: 0.000000},
+	"Lacute":         {GlyphName: "Lacute", Wx: 600.000000, Wy: 0.000000},
+	"Lcaron":         {GlyphName: "Lcaron", Wx: 600.000000, Wy: 0.000000},
+	"Lcommaaccent":   {GlyphName: "Lcommaaccent", Wx: 600.000000, Wy: 0.000000},
+	"Lslash":         {GlyphName: "Lslash", Wx: 600.000000, Wy: 0.000000},
+	"M":              {GlyphName: "M", Wx: 600.000000, Wy: 0.000000},
+	"N":              {GlyphName: "N", Wx: 600.000000, Wy: 0.000000},
+	"Nacute":         {GlyphName: "Nacute", Wx: 600.000000, Wy: 0.000000},
+	"Ncaron":         {GlyphName: "Ncaron", Wx: 600.000000, Wy: 0.000000},
+	"Ncommaaccent":   {GlyphName: "Ncommaaccent", Wx: 600.000000, Wy: 0.000000},
+	"Ntilde":         {GlyphName: "Ntilde", Wx: 600.000000, Wy: 0.000000},
+	"O":              {GlyphName: "O", Wx: 600.000000, Wy: 0.000000},
+	"OE":             {GlyphName: "OE", Wx: 600.000000, Wy: 0.000000},
+	"Oacute":         {GlyphName: "Oacute", Wx: 600.000000, Wy: 0.000000},
+	"Ocircumflex":    {GlyphName: "Ocircumflex", Wx: 600.000000, Wy: 0.000000},
+	"Odieresis":      {GlyphName: "Odieresis", Wx: 600.000000, Wy: 0.000000},
+	"Ograve":         {GlyphName: "Ograve", Wx: 600.000000, Wy: 0.000000},
+	"Ohungarumlaut":  {GlyphName: "Ohungarumlaut", Wx: 600.000000, Wy: 0.000000},
+	"Omacron":        {GlyphName: "Omacron", Wx: 600.000000, Wy: 0.000000},
+	"Oslash":         {GlyphName: "Oslash", Wx: 600.000000, Wy: 0.000000},
+	"Otilde":         {GlyphName: "Otilde", Wx: 600.000000, Wy: 0.000000},
+	"P":              {GlyphName: "P", Wx: 600.000000, Wy: 0.000000},
+	"Q":              {GlyphName: "Q", Wx: 600.000000, Wy: 0.000000},
+	"R":              {GlyphName: "R", Wx: 600.000000, Wy: 0.000000},
+	"Racute":         {GlyphName: "Racute", Wx: 600.000000, Wy: 0.000000},
+	"Rcaron":         {GlyphName: "Rcaron", Wx: 600.000000, Wy: 0.000000},
+	"Rcommaaccent":   {GlyphName: "Rcommaaccent", Wx: 600.000000, Wy: 0.000000},
+	"S":              {GlyphName: "S", Wx: 600.000000, Wy: 0.000000},
+	"Sacute":         {GlyphName: "Sacute", Wx: 600.000000, Wy: 0.000000},
+	"Scaron":         {GlyphName: "Scaron", Wx: 600.000000, Wy: 0.000000},
+	"Scedilla":       {GlyphName: "Scedilla", Wx: 600.000000, Wy: 0.000000},
+	"Scommaaccent":   {GlyphName: "Scommaaccent", Wx: 600.000000, Wy: 0.000000},
+	"T":              {GlyphName: "T", Wx: 600.000000, Wy: 0.000000},
+	"Tcaron":         {GlyphName: "Tcaron", Wx: 600.000000, Wy: 0.000000},
+	"Tcommaaccent":   {GlyphName: "Tcommaaccent", Wx: 600.000000, Wy: 0.000000},
+	"Thorn":          {GlyphName: "Thorn", Wx: 600.000000, Wy: 0.000000},
+	"U":              {GlyphName: "U", Wx: 600.000000, Wy: 0.000000},
+	"Uacute":         {GlyphName: "Uacute", Wx: 600.000000, Wy: 0.000000},
+	"Ucircumflex":    {GlyphName: "Ucircumflex", Wx: 600.000000, Wy: 0.000000},
+	"Udieresis":      {GlyphName: "Udieresis", Wx: 600.000000, Wy: 0.000000},
+	"Ugrave":         {GlyphName: "Ugrave", Wx: 600.000000, Wy: 0.000000},
+	"Uhungarumlaut":  {GlyphName: "Uhungarumlaut", Wx: 600.000000, Wy: 0.000000},
+	"Umacron":        {GlyphName: "Umacron", Wx: 600.000000, Wy: 0.000000},
+	"Uogonek":        {GlyphName: "Uogonek", Wx: 600.000000, Wy: 0.000000},
+	"Uring":          {GlyphName: "Uring", Wx: 600.000000, Wy: 0.000000},
+	"V":              {GlyphName: "V", Wx: 600.000000, Wy: 0.000000},
+	"W":              {GlyphName: "W", Wx: 600.000000, Wy: 0.000000},
+	"X":              {GlyphName: "X", Wx: 600.000000, Wy: 0.000000},
+	"Y":              {GlyphName: "Y", Wx: 600.000000, Wy: 0.000000},
+	"Yacute":         {GlyphName: "Yacute", Wx: 600.000000, Wy: 0.000000},
+	"Ydieresis":      {GlyphName: "Ydieresis", Wx: 600.000000, Wy: 0.000000},
+	"Z":              {GlyphName: "Z", Wx: 600.000000, Wy: 0.000000},
+	"Zacute":         {GlyphName: "Zacute", Wx: 600.000000, Wy: 0.000000},
+	"Zcaron":         {GlyphName: "Zcaron", Wx: 600.000000, Wy: 0.000000},
+	"Zdotaccent":     {GlyphName: "Zdotaccent", Wx: 600.000000, Wy: 0.000000},
+	"a":              {GlyphName: "a", Wx: 600.000000, Wy: 0.000000},
+	"aacute":         {GlyphName: "aacute", Wx: 600.000000, Wy: 0.000000},
+	"abreve":         {GlyphName: "abreve", Wx: 600.000000, Wy: 0.000000},
+	"acircumflex":    {GlyphName: "acircumflex", Wx: 600.000000, Wy: 0.000000},
+	"acute":          {GlyphName: "acute", Wx: 600.000000, Wy: 0.000000},
+	"adieresis":      {GlyphName: "adieresis", Wx: 600.000000, Wy: 0.000000},
+	"ae":             {GlyphName: "ae", Wx: 600.000000, Wy: 0.000000},
+	"agrave":         {GlyphName: "agrave", Wx: 600.000000, Wy: 0.000000},
+	"amacron":        {GlyphName: "amacron", Wx: 600.000000, Wy: 0.000000},
+	"ampersand":      {GlyphName: "ampersand", Wx: 600.000000, Wy: 0.000000},
+	"aogonek":        {GlyphName: "aogonek", Wx: 600.000000, Wy: 0.000000},
+	"aring":          {GlyphName: "aring", Wx: 600.000000, Wy: 0.000000},
+	"asciicircum":    {GlyphName: "asciicircum", Wx: 600.000000, Wy: 0.000000},
+	"asciitilde":     {GlyphName: "asciitilde", Wx: 600.000000, Wy: 0.000000},
+	"asterisk":       {GlyphName: "asterisk", Wx: 600.000000, Wy: 0.000000},
+	"at":             {GlyphName: "at", Wx: 600.000000, Wy: 0.000000},
+	"atilde":         {GlyphName: "atilde", Wx: 600.000000, Wy: 0.000000},
+	"b":              {GlyphName: "b", Wx: 600.000000, Wy: 0.000000},
+	"backslash":      {GlyphName: "backslash", Wx: 600.000000, Wy: 0.000000},
+	"bar":            {GlyphName: "bar", Wx: 600.000000, Wy: 0.000000},
+	"braceleft":      {GlyphName: "braceleft", Wx: 600.000000, Wy: 0.000000},
+	"braceright":     {GlyphName: "braceright", Wx: 600.000000, Wy: 0.000000},
+	"bracketleft":    {GlyphName: "bracketleft", Wx: 600.000000, Wy: 0.000000},
+	"bracketright":   {GlyphName: "bracketright", Wx: 600.000000, Wy: 0.000000},
+	"breve":          {GlyphName: "breve", Wx: 600.000000, Wy: 0.000000},
+	"brokenbar":      {GlyphName: "brokenbar", Wx: 600.000000, Wy: 0.000000},
+	"bullet":         {GlyphName: "bullet", Wx: 600.000000, Wy: 0.000000},
+	"c":              {GlyphName: "c", Wx: 600.000000, Wy: 0.000000},
+	"cacute":         {GlyphName: "cacute", Wx: 600.000000, Wy: 0.000000},
+	"caron":          {GlyphName: "caron", Wx: 600.000000, Wy: 0.000000},
+	"ccaron":         {GlyphName: "ccaron", Wx: 600.000000, Wy: 0.000000},
+	"ccedilla":       {GlyphName: "ccedilla", Wx: 600.000000, Wy: 0.000000},
+	"cedilla":        {GlyphName: "cedilla", Wx: 600.000000, Wy: 0.000000},
+	"cent":           {GlyphName: "cent", Wx: 600.000000, Wy: 0.000000},
+	"circumflex":     {GlyphName: "circumflex", Wx: 600.000000, Wy: 0.000000},
+	"colon":          {GlyphName: "colon", Wx: 600.000000, Wy: 0.000000},
+	"comma":          {GlyphName: "comma", Wx: 600.000000, Wy: 0.000000},
+	"commaaccent":    {GlyphName: "commaaccent", Wx: 600.000000, Wy: 0.000000},
+	"copyright":      {GlyphName: "copyright", Wx: 600.000000, Wy: 0.000000},
+	"currency":       {GlyphName: "currency", Wx: 600.000000, Wy: 0.000000},
+	"d":              {GlyphName: "d", Wx: 600.000000, Wy: 0.000000},
+	"dagger":         {GlyphName: "dagger", Wx: 600.000000, Wy: 0.000000},
+	"daggerdbl":      {GlyphName: "daggerdbl", Wx: 600.000000, Wy: 0.000000},
+	"dcaron":         {GlyphName: "dcaron", Wx: 600.000000, Wy: 0.000000},
+	"dcroat":         {GlyphName: "dcroat", Wx: 600.000000, Wy: 0.000000},
+	"degree":         {GlyphName: "degree", Wx: 600.000000, Wy: 0.000000},
+	"dieresis":       {GlyphName: "dieresis", Wx: 600.000000, Wy: 0.000000},
+	"divide":         {GlyphName: "divide", Wx: 600.000000, Wy: 0.000000},
+	"dollar":         {GlyphName: "dollar", Wx: 600.000000, Wy: 0.000000},
+	"dotaccent":      {GlyphName: "dotaccent", Wx: 600.000000, Wy: 0.000000},
+	"dotlessi":       {GlyphName: "dotlessi", Wx: 600.000000, Wy: 0.000000},
+	"e":              {GlyphName: "e", Wx: 600.000000, Wy: 0.000000},
+	"eacute":         {GlyphName: "eacute", Wx: 600.000000, Wy: 0.000000},
+	"ecaron":         {GlyphName: "ecaron", Wx: 600.000000, Wy: 0.000000},
+	"ecircumflex":    {GlyphName: "ecircumflex", Wx: 600.000000, Wy: 0.000000},
+	"edieresis":      {GlyphName: "edieresis", Wx: 600.000000, Wy: 0.000000},
+	"edotaccent":     {GlyphName: "edotaccent", Wx: 600.000000, Wy: 0.000000},
+	"egrave":         {GlyphName: "egrave", Wx: 600.000000, Wy: 0.000000},
+	"eight":          {GlyphName: "eight", Wx: 600.000000, Wy: 0.000000},
+	"ellipsis":       {GlyphName: "ellipsis", Wx: 600.000000, Wy: 0.000000},
+	"emacron":        {GlyphName: "emacron", Wx: 600.000000, Wy: 0.000000},
+	"emdash":         {GlyphName: "emdash", Wx: 600.000000, Wy: 0.000000},
+	"endash":         {GlyphName: "endash", Wx: 600.000000, Wy: 0.000000},
+	"eogonek":        {GlyphName: "eogonek", Wx: 600.000000, Wy: 0.000000},
+	"equal":          {GlyphName: "equal", Wx: 600.000000, Wy: 0.000000},
+	"eth":            {GlyphName: "eth", Wx: 600.000000, Wy: 0.000000},
+	"exclam":         {GlyphName: "exclam", Wx: 600.000000, Wy: 0.000000},
+	"exclamdown":     {GlyphName: "exclamdown", Wx: 600.000000, Wy: 0.000000},
+	"f":              {GlyphName: "f", Wx: 600.000000, Wy: 0.000000},
+	"fi":             {GlyphName: "fi", Wx: 600.000000, Wy: 0.000000},
+	"five":           {GlyphName: "five", Wx: 600.000000, Wy: 0.000000},
+	"fl":             {GlyphName: "fl", Wx: 600.000000, Wy: 0.000000},
+	"florin":         {GlyphName: "florin", Wx: 600.000000, Wy: 0.000000},
+	"four":           {GlyphName: "four", Wx: 600.000000, Wy: 0.000000},
+	"fraction":       {GlyphName: "fraction", Wx: 600.000000, Wy: 0.000000},
+	"g":              {GlyphName: "g", Wx: 600.000000, Wy: 0.000000},
+	"gbreve":         {GlyphName: "gbreve", Wx: 600.000000, Wy: 0.000000},
+	"gcommaaccent":   {GlyphName: "gcommaaccent", Wx: 600.000000, Wy: 0.000000},
+	"germandbls":     {GlyphName: "germandbls", Wx: 600.000000, Wy: 0.000000},
+	"grave":          {GlyphName: "grave", Wx: 600.000000, Wy: 0.000000},
+	"greater":        {GlyphName: "greater", Wx: 600.000000, Wy: 0.000000},
+	"greaterequal":   {GlyphName: "greaterequal", Wx: 600.000000, Wy: 0.000000},
+	"guillemotleft":  {GlyphName: "guillemotleft", Wx: 600.000000, Wy: 0.000000},
+	"guillemotright": {GlyphName: "guillemotright", Wx: 600.000000, Wy: 0.000000},
+	"guilsinglleft":  {GlyphName: "guilsinglleft", Wx: 600.000000, Wy: 0.000000},
+	"guilsinglright": {GlyphName: "guilsinglright", Wx: 600.000000, Wy: 0.000000},
+	"h":              {GlyphName: "h", Wx: 600.000000, Wy: 0.000000},
+	"hungarumlaut":   {GlyphName: "hungarumlaut", Wx: 600.000000, Wy: 0.000000},
+	"hyphen":         {GlyphName: "hyphen", Wx: 600.000000, Wy: 0.000000},
+	"i":              {GlyphName: "i", Wx: 600.000000, Wy: 0.000000},
+	"iacute":         {GlyphName: "iacute", Wx: 600.000000, Wy: 0.000000},
+	"icircumflex":    {GlyphName: "icircumflex", Wx: 600.000000, Wy: 0.000000},
+	"idieresis":      {GlyphName: "idieresis", Wx: 600.000000, Wy: 0.000000},
+	"igrave":         {GlyphName: "igrave", Wx: 600.000000, Wy: 0.000000},
+	"imacron":        {GlyphName: "imacron", Wx: 600.000000, Wy: 0.000000},
+	"iogonek":        {GlyphName: "iogonek", Wx: 600.000000, Wy: 0.000000},
+	"j":              {GlyphName: "j", Wx: 600.000000, Wy: 0.000000},
+	"k":              {GlyphName: "k", Wx: 600.000000, Wy: 0.000000},
+	"kcommaaccent":   {GlyphName: "kcommaaccent", Wx: 600.000000, Wy: 0.000000},
+	"l":              {GlyphName: "l", Wx: 600.000000, Wy: 0.000000},
+	"lacute":         {GlyphName: "lacute", Wx: 600.000000, Wy: 0.000000},
+	"lcaron":         {GlyphName: "lcaron", Wx: 600.000000, Wy: 0.000000},
+	"lcommaaccent":   {GlyphName: "lcommaaccent", Wx: 600.000000, Wy: 0.000000},
+	"less":           {GlyphName: "less", Wx: 600.000000, Wy: 0.000000},
+	"lessequal":      {GlyphName: "lessequal", Wx: 600.000000, Wy: 0.000000},
+	"logicalnot":     {GlyphName: "logicalnot", Wx: 600.000000, Wy: 0.000000},
+	"lozenge":        {GlyphName: "lozenge", Wx: 600.000000, Wy: 0.000000},
+	"lslash":         {GlyphName: "lslash", Wx: 600.000000, Wy: 0.000000},
+	"m":              {GlyphName: "m", Wx: 600.000000, Wy: 0.000000},
+	"macron":         {GlyphName: "macron", Wx: 600.000000, Wy: 0.000000},
+	"minus":          {GlyphName: "minus", Wx: 600.000000, Wy: 0.000000},
+	"mu":             {GlyphName: "mu", Wx: 600.000000, Wy: 0.000000},
+	"multiply":       {GlyphName: "multiply", Wx: 600.000000, Wy: 0.000000},
+	"n":              {GlyphName: "n", Wx: 600.000000, Wy: 0.000000},
+	"nacute":         {GlyphName: "nacute", Wx: 600.000000, Wy: 0.000000},
+	"ncaron":         {GlyphName: "ncaron", Wx: 600.000000, Wy: 0.000000},
+	"ncommaaccent":   {GlyphName: "ncommaaccent", Wx: 600.000000, Wy: 0.000000},
+	"nine":           {GlyphName: "nine", Wx: 600.000000, Wy: 0.000000},
+	"notequal":       {GlyphName: "notequal", Wx: 600.000000, Wy: 0.000000},
+	"ntilde":         {GlyphName: "ntilde", Wx: 600.000000, Wy: 0.000000},
+	"numbersign":     {GlyphName: "numbersign", Wx: 600.000000, Wy: 0.000000},
+	"o":              {GlyphName: "o", Wx: 600.000000, Wy: 0.000000},
+	"oacute":         {GlyphName: "oacute", Wx: 600.000000, Wy: 0.000000},
+	"ocircumflex":    {GlyphName: "ocircumflex", Wx: 600.000000, Wy: 0.000000},
+	"odieresis":      {GlyphName: "odieresis", Wx: 600.000000, Wy: 0.000000},
+	"oe":             {GlyphName: "oe", Wx: 600.000000, Wy: 0.000000},
+	"ogonek":         {GlyphName: "ogonek", Wx: 600.000000, Wy: 0.000000},
+	"ograve":         {GlyphName: "ograve", Wx: 600.000000, Wy: 0.000000},
+	"ohungarumlaut":  {GlyphName: "ohungarumlaut", Wx: 600.000000, Wy: 0.000000},
+	"omacron":        {GlyphName: "omacron", Wx: 600.000000, Wy: 0.000000},
+	"one":            {GlyphName: "one", Wx: 600.000000, Wy: 0.000000},
+	"onehalf":        {GlyphName: "onehalf", Wx: 600.000000, Wy: 0.000000},
+	"onequarter":     {GlyphName: "onequarter", Wx: 600.000000, Wy: 0.000000},
+	"onesuperior":    {GlyphName: "onesuperior", Wx: 600.000000, Wy: 0.000000},
+	"ordfeminine":    {GlyphName: "ordfeminine", Wx: 600.000000, Wy: 0.000000},
+	"ordmasculine":   {GlyphName: "ordmasculine", Wx: 600.000000, Wy: 0.000000},
+	"oslash":         {GlyphName: "oslash", Wx: 600.000000, Wy: 0.000000},
+	"otilde":         {GlyphName: "otilde", Wx: 600.000000, Wy: 0.000000},
+	"p":              {GlyphName: "p", Wx: 600.000000, Wy: 0.000000},
+	"paragraph":      {GlyphName: "paragraph", Wx: 600.000000, Wy: 0.000000},
+	"parenleft":      {GlyphName: "parenleft", Wx: 600.000000, Wy: 0.000000},
+	"parenright":     {GlyphName: "parenright", Wx: 600.000000, Wy: 0.000000},
+	"partialdiff":    {GlyphName: "partialdiff", Wx: 600.000000, Wy: 0.000000},
+	"percent":        {GlyphName: "percent", Wx: 600.000000, Wy: 0.000000},
+	"period":         {GlyphName: "period", Wx: 600.000000, Wy: 0.000000},
+	"periodcentered": {GlyphName: "periodcentered", Wx: 600.000000, Wy: 0.000000},
+	"perthousand":    {GlyphName: "perthousand", Wx: 600.000000, Wy: 0.000000},
+	"plus":           {GlyphName: "plus", Wx: 600.000000, Wy: 0.000000},
+	"plusminus":      {GlyphName: "plusminus", Wx: 600.000000, Wy: 0.000000},
+	"q":              {GlyphName: "q", Wx: 600.000000, Wy: 0.000000},
+	"question":       {GlyphName: "question", Wx: 600.000000, Wy: 0.000000},
+	"questiondown":   {GlyphName: "questiondown", Wx: 600.000000, Wy: 0.000000},
+	"quotedbl":       {GlyphName: "quotedbl", Wx: 600.000000, Wy: 0.000000},
+	"quotedblbase":   {GlyphName: "quotedblbase", Wx: 600.000000, Wy: 0.000000},
+	"quotedblleft":   {GlyphName: "quotedblleft", Wx: 600.000000, Wy: 0.000000},
+	"quotedblright":  {GlyphName: "quotedblright", Wx: 600.000000, Wy: 0.000000},
+	"quoteleft":      {GlyphName: "quoteleft", Wx: 600.000000, Wy: 0.000000},
+	"quoteright":     {GlyphName: "quoteright", Wx: 600.000000, Wy: 0.000000},
+	"quotesinglbase": {GlyphName: "quotesinglbase", Wx: 600.000000, Wy: 0.000000},
+	"quotesingle":    {GlyphName: "quotesingle", Wx: 600.000000, Wy: 0.000000},
+	"r":              {GlyphName: "r", Wx: 600.000000, Wy: 0.000000},
+	"racute":         {GlyphName: "racute", Wx: 600.000000, Wy: 0.000000},
+	"radical":        {GlyphName: "radical", Wx: 600.000000, Wy: 0.000000},
+	"rcaron":         {GlyphName: "rcaron", Wx: 600.000000, Wy: 0.000000},
+	"rcommaaccent":   {GlyphName: "rcommaaccent", Wx: 600.000000, Wy: 0.000000},
+	"registered":     {GlyphName: "registered", Wx: 600.000000, Wy: 0.000000},
+	"ring":           {GlyphName: "ring", Wx: 600.000000, Wy: 0.000000},
+	"s":              {GlyphName: "s", Wx: 600.000000, Wy: 0.000000},
+	"sacute":         {GlyphName: "sacute", Wx: 600.000000, Wy: 0.000000},
+	"scaron":         {GlyphName: "scaron", Wx: 600.000000, Wy: 0.000000},
+	"scedilla":       {GlyphName: "scedilla", Wx: 600.000000, Wy: 0.000000},
+	"scommaaccent":   {GlyphName: "scommaaccent", Wx: 600.000000, Wy: 0.000000},
+	"section":        {GlyphName: "section", Wx: 600.000000, Wy: 0.000000},
+	"semicolon":      {GlyphName: "semicolon", Wx: 600.000000, Wy: 0.000000},
+	"seven":          {GlyphName: "seven", Wx: 600.000000, Wy: 0.000000},
+	"six":            {GlyphName: "six", Wx: 600.000000, Wy: 0.000000},
+	"slash":          {GlyphName: "slash", Wx: 600.000000, Wy: 0.000000},
+	"space":          {GlyphName: "space", Wx: 600.000000, Wy: 0.000000},
+	"sterling":       {GlyphName: "sterling", Wx: 600.000000, Wy: 0.000000},
+	"summation":      {GlyphName: "summation", Wx: 600.000000, Wy: 0.000000},
+	"t":              {GlyphName: "t", Wx: 600.000000, Wy: 0.000000},
+	"tcaron":         {GlyphName: "tcaron", Wx: 600.000000, Wy: 0.000000},
+	"tcommaaccent":   {GlyphName: "tcommaaccent", Wx: 600.000000, Wy: 0.000000},
+	"thorn":          {GlyphName: "thorn", Wx: 600.000000, Wy: 0.000000},
+	"three":          {GlyphName: "three", Wx: 600.000000, Wy: 0.000000},
+	"threequarters":  {GlyphName: "threequarters", Wx: 600.000000, Wy: 0.000000},
+	"threesuperior":  {GlyphName: "threesuperior", Wx: 600.000000, Wy: 0.000000},
+	"tilde":          {GlyphName: "tilde", Wx: 600.000000, Wy: 0.000000},
+	"trademark":      {GlyphName: "trademark", Wx: 600.000000, Wy: 0.000000},
+	"two":            {GlyphName: "two", Wx: 600.000000, Wy: 0.000000},
+	"twosuperior":    {GlyphName: "twosuperior", Wx: 600.000000, Wy: 0.000000},
+	"u":              {GlyphName: "u", Wx: 600.000000, Wy: 0.000000},
+	"uacute":         {GlyphName: "uacute", Wx: 600.000000, Wy: 0.000000},
+	"ucircumflex":    {GlyphName: "ucircumflex", Wx: 600.000000, Wy: 0.000000},
+	"udieresis":      {GlyphName: "udieresis", Wx: 600.000000, Wy: 0.000000},
+	"ugrave":         {GlyphName: "ugrave", Wx: 600.000000, Wy: 0.000000},
+	"uhungarumlaut":  {GlyphName: "uhungarumlaut", Wx: 600.000000, Wy: 0.000000},
+	"umacron":        {GlyphName: "umacron", Wx: 600.000000, Wy: 0.000000},
+	"underscore":     {GlyphName: "underscore", Wx: 600.000000, Wy: 0.000000},
+	"uogonek":        {GlyphName: "uogonek", Wx: 600.000000, Wy: 0.000000},
+	"uring":          {GlyphName: "uring", Wx: 600.000000, Wy: 0.000000},
+	"v":              {GlyphName: "v", Wx: 600.000000, Wy: 0.000000},
+	"w":              {GlyphName: "w", Wx: 600.000000, Wy: 0.000000},
+	"x":              {GlyphName: "x", Wx: 600.000000, Wy: 0.000000},
+	"y":              {GlyphName: "y", Wx: 600.000000, Wy: 0.000000},
+	"yacute":         {GlyphName: "yacute", Wx: 600.000000, Wy: 0.000000},
+	"ydieresis":      {GlyphName: "ydieresis", Wx: 600.000000, Wy: 0.000000},
+	"yen":            {GlyphName: "yen", Wx: 600.000000, Wy: 0.000000},
+	"z":              {GlyphName: "z", Wx: 600.000000, Wy: 0.000000},
+	"zacute":         {GlyphName: "zacute", Wx: 600.000000, Wy: 0.000000},
+	"zcaron":         {GlyphName: "zcaron", Wx: 600.000000, Wy: 0.000000},
+	"zdotaccent":     {GlyphName: "zdotaccent", Wx: 600.000000, Wy: 0.000000},
+	"zero":           {GlyphName: "zero", Wx: 600.000000, Wy: 0.000000},
+}

internal/pdf/model/fonts/courier_bold.go

@@ -0,0 +1,362 @@
+package fonts
+
+import (
+	"gitea.tecamino.com/paadi/pdfmerge/internal/pdf/core"
+	"gitea.tecamino.com/paadi/pdfmerge/internal/pdf/model/textencoding"
+)
+
+// Font Courier-Bold.  Implements Font interface.
+// This is a built-in font and it is assumed that every reader has access to it.
+type fontCourierBold struct {
+	encoder textencoding.TextEncoder
+}
+
+func NewFontCourierBold() fontCourierBold {
+	font := fontCourierBold{}
+	font.encoder = textencoding.NewWinAnsiTextEncoder() // Default
+	return font
+}
+
+func (font fontCourierBold) SetEncoder(encoder textencoding.TextEncoder) {
+	font.encoder = encoder
+}
+
+func (font fontCourierBold) GetGlyphCharMetrics(glyph string) (CharMetrics, bool) {
+	metrics, has := courierBoldCharMetrics[glyph]
+	if !has {
+		return metrics, false
+	}
+
+	return metrics, true
+}
+
+func (font fontCourierBold) ToPdfObject() core.PdfObject {
+	obj := &core.PdfIndirectObject{}
+
+	fontDict := core.MakeDict()
+	fontDict.Set("Type", core.MakeName("Font"))
+	fontDict.Set("Subtype", core.MakeName("Type1"))
+	fontDict.Set("BaseFont", core.MakeName("Courier-Bold"))
+	fontDict.Set("Encoding", font.encoder.ToPdfObject())
+
+	obj.PdfObject = fontDict
+	return obj
+}
+
+var courierBoldCharMetrics map[string]CharMetrics = map[string]CharMetrics{
+	"A":              {GlyphName: "A", Wx: 600.000000, Wy: 0.000000},
+	"AE":             {GlyphName: "AE", Wx: 600.000000, Wy: 0.000000},
+	"Aacute":         {GlyphName: "Aacute", Wx: 600.000000, Wy: 0.000000},
+	"Abreve":         {GlyphName: "Abreve", Wx: 600.000000, Wy: 0.000000},
+	"Acircumflex":    {GlyphName: "Acircumflex", Wx: 600.000000, Wy: 0.000000},
+	"Adieresis":      {GlyphName: "Adieresis", Wx: 600.000000, Wy: 0.000000},
+	"Agrave":         {GlyphName: "Agrave", Wx: 600.000000, Wy: 0.000000},
+	"Amacron":        {GlyphName: "Amacron", Wx: 600.000000, Wy: 0.000000},
+	"Aogonek":        {GlyphName: "Aogonek", Wx: 600.000000, Wy: 0.000000},
+	"Aring":          {GlyphName: "Aring", Wx: 600.000000, Wy: 0.000000},
+	"Atilde":         {GlyphName: "Atilde", Wx: 600.000000, Wy: 0.000000},
+	"B":              {GlyphName: "B", Wx: 600.000000, Wy: 0.000000},
+	"C":              {GlyphName: "C", Wx: 600.000000, Wy: 0.000000},
+	"Cacute":         {GlyphName: "Cacute", Wx: 600.000000, Wy: 0.000000},
+	"Ccaron":         {GlyphName: "Ccaron", Wx: 600.000000, Wy: 0.000000},
+	"Ccedilla":       {GlyphName: "Ccedilla", Wx: 600.000000, Wy: 0.000000},
+	"D":              {GlyphName: "D", Wx: 600.000000, Wy: 0.000000},
+	"Dcaron":         {GlyphName: "Dcaron", Wx: 600.000000, Wy: 0.000000},
+	"Dcroat":         {GlyphName: "Dcroat", Wx: 600.000000, Wy: 0.000000},
+	"Delta":          {GlyphName: "Delta", Wx: 600.000000, Wy: 0.000000},
+	"E":              {GlyphName: "E", Wx: 600.000000, Wy: 0.000000},
+	"Eacute":         {GlyphName: "Eacute", Wx: 600.000000, Wy: 0.000000},
+	"Ecaron":         {GlyphName: "Ecaron", Wx: 600.000000, Wy: 0.000000},
+	"Ecircumflex":    {GlyphName: "Ecircumflex", Wx: 600.000000, Wy: 0.000000},
+	"Edieresis":      {GlyphName: "Edieresis", Wx: 600.000000, Wy: 0.000000},
+	"Edotaccent":     {GlyphName: "Edotaccent", Wx: 600.000000, Wy: 0.000000},
+	"Egrave":         {GlyphName: "Egrave", Wx: 600.000000, Wy: 0.000000},
+	"Emacron":        {GlyphName: "Emacron", Wx: 600.000000, Wy: 0.000000},
+	"Eogonek":        {GlyphName: "Eogonek", Wx: 600.000000, Wy: 0.000000},
+	"Eth":            {GlyphName: "Eth", Wx: 600.000000, Wy: 0.000000},
+	"Euro":           {GlyphName: "Euro", Wx: 600.000000, Wy: 0.000000},
+	"F":              {GlyphName: "F", Wx: 600.000000, Wy: 0.000000},
+	"G":              {GlyphName: "G", Wx: 600.000000, Wy: 0.000000},
+	"Gbreve":         {GlyphName: "Gbreve", Wx: 600.000000, Wy: 0.000000},
+	"Gcommaaccent":   {GlyphName: "Gcommaaccent", Wx: 600.000000, Wy: 0.000000},
+	"H":              {GlyphName: "H", Wx: 600.000000, Wy: 0.000000},
+	"I":              {GlyphName: "I", Wx: 600.000000, Wy: 0.000000},
+	"Iacute":         {GlyphName: "Iacute", Wx: 600.000000, Wy: 0.000000},
+	"Icircumflex":    {GlyphName: "Icircumflex", Wx: 600.000000, Wy: 0.000000},
+	"Idieresis":      {GlyphName: "Idieresis", Wx: 600.000000, Wy: 0.000000},
+	"Idotaccent":     {GlyphName: "Idotaccent", Wx: 600.000000, Wy: 0.000000},
+	"Igrave":         {GlyphName: "Igrave", Wx: 600.000000, Wy: 0.000000},
+	"Imacron":        {GlyphName: "Imacron", Wx: 600.000000, Wy: 0.000000},
+	"Iogonek":        {GlyphName: "Iogonek", Wx: 600.000000, Wy: 0.000000},
+	"J":              {GlyphName: "J", Wx: 600.000000, Wy: 0.000000},
+	"K":              {GlyphName: "K", Wx: 600.000000, Wy: 0.000000},
+	"Kcommaaccent":   {GlyphName: "Kcommaaccent", Wx: 600.000000, Wy: 0.000000},
+	"L":              {GlyphName: "L", Wx: 600.000000, Wy: 0.000000},
+	"Lacute":         {GlyphName: "Lacute", Wx: 600.000000, Wy: 0.000000},
+	"Lcaron":         {GlyphName: "Lcaron", Wx: 600.000000, Wy: 0.000000},
+	"Lcommaaccent":   {GlyphName: "Lcommaaccent", Wx: 600.000000, Wy: 0.000000},
+	"Lslash":         {GlyphName: "Lslash", Wx: 600.000000, Wy: 0.000000},
+	"M":              {GlyphName: "M", Wx: 600.000000, Wy: 0.000000},
+	"N":              {GlyphName: "N", Wx: 600.000000, Wy: 0.000000},
+	"Nacute":         {GlyphName: "Nacute", Wx: 600.000000, Wy: 0.000000},
+	"Ncaron":         {GlyphName: "Ncaron", Wx: 600.000000, Wy: 0.000000},
+	"Ncommaaccent":   {GlyphName: "Ncommaaccent", Wx: 600.000000, Wy: 0.000000},
+	"Ntilde":         {GlyphName: "Ntilde", Wx: 600.000000, Wy: 0.000000},
+	"O":              {GlyphName: "O", Wx: 600.000000, Wy: 0.000000},
+	"OE":             {GlyphName: "OE", Wx: 600.000000, Wy: 0.000000},
+	"Oacute":         {GlyphName: "Oacute", Wx: 600.000000, Wy: 0.000000},
+	"Ocircumflex":    {GlyphName: "Ocircumflex", Wx: 600.000000, Wy: 0.000000},
+	"Odieresis":      {GlyphName: "Odieresis", Wx: 600.000000, Wy: 0.000000},
+	"Ograve":         {GlyphName: "Ograve", Wx: 600.000000, Wy: 0.000000},
+	"Ohungarumlaut":  {GlyphName: "Ohungarumlaut", Wx: 600.000000, Wy: 0.000000},
+	"Omacron":        {GlyphName: "Omacron", Wx: 600.000000, Wy: 0.000000},
+	"Oslash":         {GlyphName: "Oslash", Wx: 600.000000, Wy: 0.000000},
+	"Otilde":         {GlyphName: "Otilde", Wx: 600.000000, Wy: 0.000000},
+	"P":              {GlyphName: "P", Wx: 600.000000, Wy: 0.000000},
+	"Q":              {GlyphName: "Q", Wx: 600.000000, Wy: 0.000000},
+	"R":              {GlyphName: "R", Wx: 600.000000, Wy: 0.000000},
+	"Racute":         {GlyphName: "Racute", Wx: 600.000000, Wy: 0.000000},
+	"Rcaron":         {GlyphName: "Rcaron", Wx: 600.000000, Wy: 0.000000},
+	"Rcommaaccent":   {GlyphName: "Rcommaaccent", Wx: 600.000000, Wy: 0.000000},
+	"S":              {GlyphName: "S", Wx: 600.000000, Wy: 0.000000},
+	"Sacute":         {GlyphName: "Sacute", Wx: 600.000000, Wy: 0.000000},
+	"Scaron":         {GlyphName: "Scaron", Wx: 600.000000, Wy: 0.000000},
+	"Scedilla":       {GlyphName: "Scedilla", Wx: 600.000000, Wy: 0.000000},
+	"Scommaaccent":   {GlyphName: "Scommaaccent", Wx: 600.000000, Wy: 0.000000},
+	"T":              {GlyphName: "T", Wx: 600.000000, Wy: 0.000000},
+	"Tcaron":         {GlyphName: "Tcaron", Wx: 600.000000, Wy: 0.000000},
+	"Tcommaaccent":   {GlyphName: "Tcommaaccent", Wx: 600.000000, Wy: 0.000000},
+	"Thorn":          {GlyphName: "Thorn", Wx: 600.000000, Wy: 0.000000},
+	"U":              {GlyphName: "U", Wx: 600.000000, Wy: 0.000000},
+	"Uacute":         {GlyphName: "Uacute", Wx: 600.000000, Wy: 0.000000},
+	"Ucircumflex":    {GlyphName: "Ucircumflex", Wx: 600.000000, Wy: 0.000000},
+	"Udieresis":      {GlyphName: "Udieresis", Wx: 600.000000, Wy: 0.000000},
+	"Ugrave":         {GlyphName: "Ugrave", Wx: 600.000000, Wy: 0.000000},
+	"Uhungarumlaut":  {GlyphName: "Uhungarumlaut", Wx: 600.000000, Wy: 0.000000},
+	"Umacron":        {GlyphName: "Umacron", Wx: 600.000000, Wy: 0.000000},
+	"Uogonek":        {GlyphName: "Uogonek", Wx: 600.000000, Wy: 0.000000},
+	"Uring":          {GlyphName: "Uring", Wx: 600.000000, Wy: 0.000000},
+	"V":              {GlyphName: "V", Wx: 600.000000, Wy: 0.000000},
+	"W":              {GlyphName: "W", Wx: 600.000000, Wy: 0.000000},
+	"X":              {GlyphName: "X", Wx: 600.000000, Wy: 0.000000},
+	"Y":              {GlyphName: "Y", Wx: 600.000000, Wy: 0.000000},
+	"Yacute":         {GlyphName: "Yacute", Wx: 600.000000, Wy: 0.000000},
+	"Ydieresis":      {GlyphName: "Ydieresis", Wx: 600.000000, Wy: 0.000000},
+	"Z":              {GlyphName: "Z", Wx: 600.000000, Wy: 0.000000},
+	"Zacute":         {GlyphName: "Zacute", Wx: 600.000000, Wy: 0.000000},
+	"Zcaron":         {GlyphName: "Zcaron", Wx: 600.000000, Wy: 0.000000},
+	"Zdotaccent":     {GlyphName: "Zdotaccent", Wx: 600.000000, Wy: 0.000000},
+	"a":              {GlyphName: "a", Wx: 600.000000, Wy: 0.000000},
+	"aacute":         {GlyphName: "aacute", Wx: 600.000000, Wy: 0.000000},
+	"abreve":         {GlyphName: "abreve", Wx: 600.000000, Wy: 0.000000},
+	"acircumflex":    {GlyphName: "acircumflex", Wx: 600.000000, Wy: 0.000000},
+	"acute":          {GlyphName: "acute", Wx: 600.000000, Wy: 0.000000},
+	"adieresis":      {GlyphName: "adieresis", Wx: 600.000000, Wy: 0.000000},
+	"ae":             {GlyphName: "ae", Wx: 600.000000, Wy: 0.000000},
+	"agrave":         {GlyphName: "agrave", Wx: 600.000000, Wy: 0.000000},
+	"amacron":        {GlyphName: "amacron", Wx: 600.000000, Wy: 0.000000},
+	"ampersand":      {GlyphName: "ampersand", Wx: 600.000000, Wy: 0.000000},
+	"aogonek":        {GlyphName: "aogonek", Wx: 600.000000, Wy: 0.000000},
+	"aring":          {GlyphName: "aring", Wx: 600.000000, Wy: 0.000000},
+	"asciicircum":    {GlyphName: "asciicircum", Wx: 600.000000, Wy: 0.000000},
+	"asciitilde":     {GlyphName: "asciitilde", Wx: 600.000000, Wy: 0.000000},
+	"asterisk":       {GlyphName: "asterisk", Wx: 600.000000, Wy: 0.000000},
+	"at":             {GlyphName: "at", Wx: 600.000000, Wy: 0.000000},
+	"atilde":         {GlyphName: "atilde", Wx: 600.000000, Wy: 0.000000},
+	"b":              {GlyphName: "b", Wx: 600.000000, Wy: 0.000000},
+	"backslash":      {GlyphName: "backslash", Wx: 600.000000, Wy: 0.000000},
+	"bar":            {GlyphName: "bar", Wx: 600.000000, Wy: 0.000000},
+	"braceleft":      {GlyphName: "braceleft", Wx: 600.000000, Wy: 0.000000},
+	"braceright":     {GlyphName: "braceright", Wx: 600.000000, Wy: 0.000000},
+	"bracketleft":    {GlyphName: "bracketleft", Wx: 600.000000, Wy: 0.000000},
+	"bracketright":   {GlyphName: "bracketright", Wx: 600.000000, Wy: 0.000000},
+	"breve":          {GlyphName: "breve", Wx: 600.000000, Wy: 0.000000},
+	"brokenbar":      {GlyphName: "brokenbar", Wx: 600.000000, Wy: 0.000000},
+	"bullet":         {GlyphName: "bullet", Wx: 600.000000, Wy: 0.000000},
+	"c":              {GlyphName: "c", Wx: 600.000000, Wy: 0.000000},
+	"cacute":         {GlyphName: "cacute", Wx: 600.000000, Wy: 0.000000},
+	"caron":          {GlyphName: "caron", Wx: 600.000000, Wy: 0.000000},
+	"ccaron":         {GlyphName: "ccaron", Wx: 600.000000, Wy: 0.000000},
+	"ccedilla":       {GlyphName: "ccedilla", Wx: 600.000000, Wy: 0.000000},
+	"cedilla":        {GlyphName: "cedilla", Wx: 600.000000, Wy: 0.000000},
+	"cent":           {GlyphName: "cent", Wx: 600.000000, Wy: 0.000000},
+	"circumflex":     {GlyphName: "circumflex", Wx: 600.000000, Wy: 0.000000},
+	"colon":          {GlyphName: "colon", Wx: 600.000000, Wy: 0.000000},
+	"comma":          {GlyphName: "comma", Wx: 600.000000, Wy: 0.000000},
+	"commaaccent":    {GlyphName: "commaaccent", Wx: 600.000000, Wy: 0.000000},
+	"copyright":      {GlyphName: "copyright", Wx: 600.000000, Wy: 0.000000},
+	"currency":       {GlyphName: "currency", Wx: 600.000000, Wy: 0.000000},
+	"d":              {GlyphName: "d", Wx: 600.000000, Wy: 0.000000},
+	"dagger":         {GlyphName: "dagger", Wx: 600.000000, Wy: 0.000000},
+	"daggerdbl":      {GlyphName: "daggerdbl", Wx: 600.000000, Wy: 0.000000},
+	"dcaron":         {GlyphName: "dcaron", Wx: 600.000000, Wy: 0.000000},
+	"dcroat":         {GlyphName: "dcroat", Wx: 600.000000, Wy: 0.000000},
+	"degree":         {GlyphName: "degree", Wx: 600.000000, Wy: 0.000000},
+	"dieresis":       {GlyphName: "dieresis", Wx: 600.000000, Wy: 0.000000},
+	"divide":         {GlyphName: "divide", Wx: 600.000000, Wy: 0.000000},
+	"dollar":         {GlyphName: "dollar", Wx: 600.000000, Wy: 0.000000},
+	"dotaccent":      {GlyphName: "dotaccent", Wx: 600.000000, Wy: 0.000000},
+	"dotlessi":       {GlyphName: "dotlessi", Wx: 600.000000, Wy: 0.000000},
+	"e":              {GlyphName: "e", Wx: 600.000000, Wy: 0.000000},
+	"eacute":         {GlyphName: "eacute", Wx: 600.000000, Wy: 0.000000},
+	"ecaron":         {GlyphName: "ecaron", Wx: 600.000000, Wy: 0.000000},
+	"ecircumflex":    {GlyphName: "ecircumflex", Wx: 600.000000, Wy: 0.000000},
+	"edieresis":      {GlyphName: "edieresis", Wx: 600.000000, Wy: 0.000000},
+	"edotaccent":     {GlyphName: "edotaccent", Wx: 600.000000, Wy: 0.000000},
+	"egrave":         {GlyphName: "egrave", Wx: 600.000000, Wy: 0.000000},
+	"eight":          {GlyphName: "eight", Wx: 600.000000, Wy: 0.000000},
+	"ellipsis":       {GlyphName: "ellipsis", Wx: 600.000000, Wy: 0.000000},
+	"emacron":        {GlyphName: "emacron", Wx: 600.000000, Wy: 0.000000},
+	"emdash":         {GlyphName: "emdash", Wx: 600.000000, Wy: 0.000000},
+	"endash":         {GlyphName: "endash", Wx: 600.000000, Wy: 0.000000},
+	"eogonek":        {GlyphName: "eogonek", Wx: 600.000000, Wy: 0.000000},
+	"equal":          {GlyphName: "equal", Wx: 600.000000, Wy: 0.000000},
+	"eth":            {GlyphName: "eth", Wx: 600.000000, Wy: 0.000000},
+	"exclam":         {GlyphName: "exclam", Wx: 600.000000, Wy: 0.000000},
+	"exclamdown":     {GlyphName: "exclamdown", Wx: 600.000000, Wy: 0.000000},
+	"f":              {GlyphName: "f", Wx: 600.000000, Wy: 0.000000},
+	"fi":             {GlyphName: "fi", Wx: 600.000000, Wy: 0.000000},
+	"five":           {GlyphName: "five", Wx: 600.000000, Wy: 0.000000},
+	"fl":             {GlyphName: "fl", Wx: 600.000000, Wy: 0.000000},
+	"florin":         {GlyphName: "florin", Wx: 600.000000, Wy: 0.000000},
+	"four":           {GlyphName: "four", Wx: 600.000000, Wy: 0.000000},
+	"fraction":       {GlyphName: "fraction", Wx: 600.000000, Wy: 0.000000},
+	"g":              {GlyphName: "g", Wx: 600.000000, Wy: 0.000000},
+	"gbreve":         {GlyphName: "gbreve", Wx: 600.000000, Wy: 0.000000},
+	"gcommaaccent":   {GlyphName: "gcommaaccent", Wx: 600.000000, Wy: 0.000000},
+	"germandbls":     {GlyphName: "germandbls", Wx: 600.000000, Wy: 0.000000},
+	"grave":          {GlyphName: "grave", Wx: 600.000000, Wy: 0.000000},
+	"greater":        {GlyphName: "greater", Wx: 600.000000, Wy: 0.000000},
+	"greaterequal":   {GlyphName: "greaterequal", Wx: 600.000000, Wy: 0.000000},
+	"guillemotleft":  {GlyphName: "guillemotleft", Wx: 600.000000, Wy: 0.000000},
+	"guillemotright": {GlyphName: "guillemotright", Wx: 600.000000, Wy: 0.000000},
+	"guilsinglleft":  {GlyphName: "guilsinglleft", Wx: 600.000000, Wy: 0.000000},
+	"guilsinglright": {GlyphName: "guilsinglright", Wx: 600.000000, Wy: 0.000000},
+	"h":              {GlyphName: "h", Wx: 600.000000, Wy: 0.000000},
+	"hungarumlaut":   {GlyphName: "hungarumlaut", Wx: 600.000000, Wy: 0.000000},
+	"hyphen":         {GlyphName: "hyphen", Wx: 600.000000, Wy: 0.000000},
+	"i":              {GlyphName: "i", Wx: 600.000000, Wy: 0.000000},
+	"iacute":         {GlyphName: "iacute", Wx: 600.000000, Wy: 0.000000},
+	"icircumflex":    {GlyphName: "icircumflex", Wx: 600.000000, Wy: 0.000000},
+	"idieresis":      {GlyphName: "idieresis", Wx: 600.000000, Wy: 0.000000},
+	"igrave":         {GlyphName: "igrave", Wx: 600.000000, Wy: 0.000000},
+	"imacron":        {GlyphName: "imacron", Wx: 600.000000, Wy: 0.000000},
+	"iogonek":        {GlyphName: "iogonek", Wx: 600.000000, Wy: 0.000000},
+	"j":              {GlyphName: "j", Wx: 600.000000, Wy: 0.000000},
+	"k":              {GlyphName: "k", Wx: 600.000000, Wy: 0.000000},
+	"kcommaaccent":   {GlyphName: "kcommaaccent", Wx: 600.000000, Wy: 0.000000},
+	"l":              {GlyphName: "l", Wx: 600.000000, Wy: 0.000000},
+	"lacute":         {GlyphName: "lacute", Wx: 600.000000, Wy: 0.000000},
+	"lcaron":         {GlyphName: "lcaron", Wx: 600.000000, Wy: 0.000000},
+	"lcommaaccent":   {GlyphName: "lcommaaccent", Wx: 600.000000, Wy: 0.000000},
+	"less":           {GlyphName: "less", Wx: 600.000000, Wy: 0.000000},
+	"lessequal":      {GlyphName: "lessequal", Wx: 600.000000, Wy: 0.000000},
+	"logicalnot":     {GlyphName: "logicalnot", Wx: 600.000000, Wy: 0.000000},
+	"lozenge":        {GlyphName: "lozenge", Wx: 600.000000, Wy: 0.000000},
+	"lslash":         {GlyphName: "lslash", Wx: 600.000000, Wy: 0.000000},
+	"m":              {GlyphName: "m", Wx: 600.000000, Wy: 0.000000},
+	"macron":         {GlyphName: "macron", Wx: 600.000000, Wy: 0.000000},
+	"minus":          {GlyphName: "minus", Wx: 600.000000, Wy: 0.000000},
+	"mu":             {GlyphName: "mu", Wx: 600.000000, Wy: 0.000000},
+	"multiply":       {GlyphName: "multiply", Wx: 600.000000, Wy: 0.000000},
+	"n":              {GlyphName: "n", Wx: 600.000000, Wy: 0.000000},
+	"nacute":         {GlyphName: "nacute", Wx: 600.000000, Wy: 0.000000},
+	"ncaron":         {GlyphName: "ncaron", Wx: 600.000000, Wy: 0.000000},
+	"ncommaaccent":   {GlyphName: "ncommaaccent", Wx: 600.000000, Wy: 0.000000},
+	"nine":           {GlyphName: "nine", Wx: 600.000000, Wy: 0.000000},
+	"notequal":       {GlyphName: "notequal", Wx: 600.000000, Wy: 0.000000},
+	"ntilde":         {GlyphName: "ntilde", Wx: 600.000000, Wy: 0.000000},
+	"numbersign":     {GlyphName: "numbersign", Wx: 600.000000, Wy: 0.000000},
+	"o":              {GlyphName: "o", Wx: 600.000000, Wy: 0.000000},
+	"oacute":         {GlyphName: "oacute", Wx: 600.000000, Wy: 0.000000},
+	"ocircumflex":    {GlyphName: "ocircumflex", Wx: 600.000000, Wy: 0.000000},
+	"odieresis":      {GlyphName: "odieresis", Wx: 600.000000, Wy: 0.000000},
+	"oe":             {GlyphName: "oe", Wx: 600.000000, Wy: 0.000000},
+	"ogonek":         {GlyphName: "ogonek", Wx: 600.000000, Wy: 0.000000},
+	"ograve":         {GlyphName: "ograve", Wx: 600.000000, Wy: 0.000000},
+	"ohungarumlaut":  {GlyphName: "ohungarumlaut", Wx: 600.000000, Wy: 0.000000},
+	"omacron":        {GlyphName: "omacron", Wx: 600.000000, Wy: 0.000000},
+	"one":            {GlyphName: "one", Wx: 600.000000, Wy: 0.000000},
+	"onehalf":        {GlyphName: "onehalf", Wx: 600.000000, Wy: 0.000000},
+	"onequarter":     {GlyphName: "onequarter", Wx: 600.000000, Wy: 0.000000},
+	"onesuperior":    {GlyphName: "onesuperior", Wx: 600.000000, Wy: 0.000000},
+	"ordfeminine":    {GlyphName: "ordfeminine", Wx: 600.000000, Wy: 0.000000},
+	"ordmasculine":   {GlyphName: "ordmasculine", Wx: 600.000000, Wy: 0.000000},
+	"oslash":         {GlyphName: "oslash", Wx: 600.000000, Wy: 0.000000},
+	"otilde":         {GlyphName: "otilde", Wx: 600.000000, Wy: 0.000000},
+	"p":              {GlyphName: "p", Wx: 600.000000, Wy: 0.000000},
+	"paragraph":      {GlyphName: "paragraph", Wx: 600.000000, Wy: 0.000000},
+	"parenleft":      {GlyphName: "parenleft", Wx: 600.000000, Wy: 0.000000},
+	"parenright":     {GlyphName: "parenright", Wx: 600.000000, Wy: 0.000000},
+	"partialdiff":    {GlyphName: "partialdiff", Wx: 600.000000, Wy: 0.000000},
+	"percent":        {GlyphName: "percent", Wx: 600.000000, Wy: 0.000000},
+	"period":         {GlyphName: "period", Wx: 600.000000, Wy: 0.000000},
+	"periodcentered": {GlyphName: "periodcentered", Wx: 600.000000, Wy: 0.000000},
+	"perthousand":    {GlyphName: "perthousand", Wx: 600.000000, Wy: 0.000000},
+	"plus":           {GlyphName: "plus", Wx: 600.000000, Wy: 0.000000},
+	"plusminus":      {GlyphName: "plusminus", Wx: 600.000000, Wy: 0.000000},
+	"q":              {GlyphName: "q", Wx: 600.000000, Wy: 0.000000},
+	"question":       {GlyphName: "question", Wx: 600.000000, Wy: 0.000000},
+	"questiondown":   {GlyphName: "questiondown", Wx: 600.000000, Wy: 0.000000},
+	"quotedbl":       {GlyphName: "quotedbl", Wx: 600.000000, Wy: 0.000000},
+	"quotedblbase":   {GlyphName: "quotedblbase", Wx: 600.000000, Wy: 0.000000},
+	"quotedblleft":   {GlyphName: "quotedblleft", Wx: 600.000000, Wy: 0.000000},
+	"quotedblright":  {GlyphName: "quotedblright", Wx: 600.000000, Wy: 0.000000},
+	"quoteleft":      {GlyphName: "quoteleft", Wx: 600.000000, Wy: 0.000000},
+	"quoteright":     {GlyphName: "quoteright", Wx: 600.000000, Wy: 0.000000},
+	"quotesinglbase": {GlyphName: "quotesinglbase", Wx: 600.000000, Wy: 0.000000},
+	"quotesingle":    {GlyphName: "quotesingle", Wx: 600.000000, Wy: 0.000000},
+	"r":              {GlyphName: "r", Wx: 600.000000, Wy: 0.000000},
+	"racute":         {GlyphName: "racute", Wx: 600.000000, Wy: 0.000000},
+	"radical":        {GlyphName: "radical", Wx: 600.000000, Wy: 0.000000},
+	"rcaron":         {GlyphName: "rcaron", Wx: 600.000000, Wy: 0.000000},
+	"rcommaaccent":   {GlyphName: "rcommaaccent", Wx: 600.000000, Wy: 0.000000},
+	"registered":     {GlyphName: "registered", Wx: 600.000000, Wy: 0.000000},
+	"ring":           {GlyphName: "ring", Wx: 600.000000, Wy: 0.000000},
+	"s":              {GlyphName: "s", Wx: 600.000000, Wy: 0.000000},
+	"sacute":         {GlyphName: "sacute", Wx: 600.000000, Wy: 0.000000},
+	"scaron":         {GlyphName: "scaron", Wx: 600.000000, Wy: 0.000000},
+	"scedilla":       {GlyphName: "scedilla", Wx: 600.000000, Wy: 0.000000},
+	"scommaaccent":   {GlyphName: "scommaaccent", Wx: 600.000000, Wy: 0.000000},
+	"section":        {GlyphName: "section", Wx: 600.000000, Wy: 0.000000},
+	"semicolon":      {GlyphName: "semicolon", Wx: 600.000000, Wy: 0.000000},
+	"seven":          {GlyphName: "seven", Wx: 600.000000, Wy: 0.000000},
+	"six":            {GlyphName: "six", Wx: 600.000000, Wy: 0.000000},
+	"slash":          {GlyphName: "slash", Wx: 600.000000, Wy: 0.000000},
+	"space":          {GlyphName: "space", Wx: 600.000000, Wy: 0.000000},
+	"sterling":       {GlyphName: "sterling", Wx: 600.000000, Wy: 0.000000},
+	"summation":      {GlyphName: "summation", Wx: 600.000000, Wy: 0.000000},
+	"t":              {GlyphName: "t", Wx: 600.000000, Wy: 0.000000},
+	"tcaron":         {GlyphName: "tcaron", Wx: 600.000000, Wy: 0.000000},
+	"tcommaaccent":   {GlyphName: "tcommaaccent", Wx: 600.000000, Wy: 0.000000},
+	"thorn":          {GlyphName: "thorn", Wx: 600.000000, Wy: 0.000000},
+	"three":          {GlyphName: "three", Wx: 600.000000, Wy: 0.000000},
+	"threequarters":  {GlyphName: "threequarters", Wx: 600.000000, Wy: 0.000000},
+	"threesuperior":  {GlyphName: "threesuperior", Wx: 600.000000, Wy: 0.000000},
+	"tilde":          {GlyphName: "tilde", Wx: 600.000000, Wy: 0.000000},
+	"trademark":      {GlyphName: "trademark", Wx: 600.000000, Wy: 0.000000},
+	"two":            {GlyphName: "two", Wx: 600.000000, Wy: 0.000000},
+	"twosuperior":    {GlyphName: "twosuperior", Wx: 600.000000, Wy: 0.000000},
+	"u":              {GlyphName: "u", Wx: 600.000000, Wy: 0.000000},
+	"uacute":         {GlyphName: "uacute", Wx: 600.000000, Wy: 0.000000},
+	"ucircumflex":    {GlyphName: "ucircumflex", Wx: 600.000000, Wy: 0.000000},
+	"udieresis":      {GlyphName: "udieresis", Wx: 600.000000, Wy: 0.000000},
+	"ugrave":         {GlyphName: "ugrave", Wx: 600.000000, Wy: 0.000000},
+	"uhungarumlaut":  {GlyphName: "uhungarumlaut", Wx: 600.000000, Wy: 0.000000},
+	"umacron":        {GlyphName: "umacron", Wx: 600.000000, Wy: 0.000000},
+	"underscore":     {GlyphName: "underscore", Wx: 600.000000, Wy: 0.000000},
+	"uogonek":        {GlyphName: "uogonek", Wx: 600.000000, Wy: 0.000000},
+	"uring":          {GlyphName: "uring", Wx: 600.000000, Wy: 0.000000},
+	"v":              {GlyphName: "v", Wx: 600.000000, Wy: 0.000000},
+	"w":              {GlyphName: "w", Wx: 600.000000, Wy: 0.000000},
+	"x":              {GlyphName: "x", Wx: 600.000000, Wy: 0.000000},
+	"y":              {GlyphName: "y", Wx: 600.000000, Wy: 0.000000},
+	"yacute":         {GlyphName: "yacute", Wx: 600.000000, Wy: 0.000000},
+	"ydieresis":      {GlyphName: "ydieresis", Wx: 600.000000, Wy: 0.000000},
+	"yen":            {GlyphName: "yen", Wx: 600.000000, Wy: 0.000000},
+	"z":              {GlyphName: "z", Wx: 600.000000, Wy: 0.000000},
+	"zacute":         {GlyphName: "zacute", Wx: 600.000000, Wy: 0.000000},
+	"zcaron":         {GlyphName: "zcaron", Wx: 600.000000, Wy: 0.000000},
+	"zdotaccent":     {GlyphName: "zdotaccent", Wx: 600.000000, Wy: 0.000000},
+	"zero":           {GlyphName: "zero", Wx: 600.000000, Wy: 0.000000},
+}

internal/pdf/model/fonts/courier_bold_oblique.go

@@ -0,0 +1,362 @@
+package fonts
+
+import (
+	"gitea.tecamino.com/paadi/pdfmerge/internal/pdf/core"
+	"gitea.tecamino.com/paadi/pdfmerge/internal/pdf/model/textencoding"
+)
+
+// Font Courier-BoldOblique.  Implements Font interface.
+// This is a built-in font and it is assumed that every reader has access to it.
+type fontCourierBoldOblique struct {
+	encoder textencoding.TextEncoder
+}
+
+func NewFontCourierBoldOblique() fontCourierBoldOblique {
+	font := fontCourierBoldOblique{}
+	font.encoder = textencoding.NewWinAnsiTextEncoder() // Default
+	return font
+}
+
+func (font fontCourierBoldOblique) SetEncoder(encoder textencoding.TextEncoder) {
+	font.encoder = encoder
+}
+
+func (font fontCourierBoldOblique) GetGlyphCharMetrics(glyph string) (CharMetrics, bool) {
+	metrics, has := courierBoldObliqueCharMetrics[glyph]
+	if !has {
+		return metrics, false
+	}
+
+	return metrics, true
+}
+
+func (font fontCourierBoldOblique) ToPdfObject() core.PdfObject {
+	obj := &core.PdfIndirectObject{}
+
+	fontDict := core.MakeDict()
+	fontDict.Set("Type", core.MakeName("Font"))
+	fontDict.Set("Subtype", core.MakeName("Type1"))
+	fontDict.Set("BaseFont", core.MakeName("Courier-BoldOblique"))
+	fontDict.Set("Encoding", font.encoder.ToPdfObject())
+
+	obj.PdfObject = fontDict
+	return obj
+}
+
+var courierBoldObliqueCharMetrics map[string]CharMetrics = map[string]CharMetrics{
+	"A":              {GlyphName: "A", Wx: 600.000000, Wy: 0.000000},
+	"AE":             {GlyphName: "AE", Wx: 600.000000, Wy: 0.000000},
+	"Aacute":         {GlyphName: "Aacute", Wx: 600.000000, Wy: 0.000000},
+	"Abreve":         {GlyphName: "Abreve", Wx: 600.000000, Wy: 0.000000},
+	"Acircumflex":    {GlyphName: "Acircumflex", Wx: 600.000000, Wy: 0.000000},
+	"Adieresis":      {GlyphName: "Adieresis", Wx: 600.000000, Wy: 0.000000},
+	"Agrave":         {GlyphName: "Agrave", Wx: 600.000000, Wy: 0.000000},
+	"Amacron":        {GlyphName: "Amacron", Wx: 600.000000, Wy: 0.000000},
+	"Aogonek":        {GlyphName: "Aogonek", Wx: 600.000000, Wy: 0.000000},
+	"Aring":          {GlyphName: "Aring", Wx: 600.000000, Wy: 0.000000},
+	"Atilde":         {GlyphName: "Atilde", Wx: 600.000000, Wy: 0.000000},
+	"B":              {GlyphName: "B", Wx: 600.000000, Wy: 0.000000},
+	"C":              {GlyphName: "C", Wx: 600.000000, Wy: 0.000000},
+	"Cacute":         {GlyphName: "Cacute", Wx: 600.000000, Wy: 0.000000},
+	"Ccaron":         {GlyphName: "Ccaron", Wx: 600.000000, Wy: 0.000000},
+	"Ccedilla":       {GlyphName: "Ccedilla", Wx: 600.000000, Wy: 0.000000},
+	"D":              {GlyphName: "D", Wx: 600.000000, Wy: 0.000000},
+	"Dcaron":         {GlyphName: "Dcaron", Wx: 600.000000, Wy: 0.000000},
+	"Dcroat":         {GlyphName: "Dcroat", Wx: 600.000000, Wy: 0.000000},
+	"Delta":          {GlyphName: "Delta", Wx: 600.000000, Wy: 0.000000},
+	"E":              {GlyphName: "E", Wx: 600.000000, Wy: 0.000000},
+	"Eacute":         {GlyphName: "Eacute", Wx: 600.000000, Wy: 0.000000},
+	"Ecaron":         {GlyphName: "Ecaron", Wx: 600.000000, Wy: 0.000000},
+	"Ecircumflex":    {GlyphName: "Ecircumflex", Wx: 600.000000, Wy: 0.000000},
+	"Edieresis":      {GlyphName: "Edieresis", Wx: 600.000000, Wy: 0.000000},
+	"Edotaccent":     {GlyphName: "Edotaccent", Wx: 600.000000, Wy: 0.000000},
+	"Egrave":         {GlyphName: "Egrave", Wx: 600.000000, Wy: 0.000000},
+	"Emacron":        {GlyphName: "Emacron", Wx: 600.000000, Wy: 0.000000},
+	"Eogonek":        {GlyphName: "Eogonek", Wx: 600.000000, Wy: 0.000000},
+	"Eth":            {GlyphName: "Eth", Wx: 600.000000, Wy: 0.000000},
+	"Euro":           {GlyphName: "Euro", Wx: 600.000000, Wy: 0.000000},
+	"F":              {GlyphName: "F", Wx: 600.000000, Wy: 0.000000},
+	"G":              {GlyphName: "G", Wx: 600.000000, Wy: 0.000000},
+	"Gbreve":         {GlyphName: "Gbreve", Wx: 600.000000, Wy: 0.000000},
+	"Gcommaaccent":   {GlyphName: "Gcommaaccent", Wx: 600.000000, Wy: 0.000000},
+	"H":              {GlyphName: "H", Wx: 600.000000, Wy: 0.000000},
+	"I":              {GlyphName: "I", Wx: 600.000000, Wy: 0.000000},
+	"Iacute":         {GlyphName: "Iacute", Wx: 600.000000, Wy: 0.000000},
+	"Icircumflex":    {GlyphName: "Icircumflex", Wx: 600.000000, Wy: 0.000000},
+	"Idieresis":      {GlyphName: "Idieresis", Wx: 600.000000, Wy: 0.000000},
+	"Idotaccent":     {GlyphName: "Idotaccent", Wx: 600.000000, Wy: 0.000000},
+	"Igrave":         {GlyphName: "Igrave", Wx: 600.000000, Wy: 0.000000},
+	"Imacron":        {GlyphName: "Imacron", Wx: 600.000000, Wy: 0.000000},
+	"Iogonek":        {GlyphName: "Iogonek", Wx: 600.000000, Wy: 0.000000},
+	"J":              {GlyphName: "J", Wx: 600.000000, Wy: 0.000000},
+	"K":              {GlyphName: "K", Wx: 600.000000, Wy: 0.000000},
+	"Kcommaaccent":   {GlyphName: "Kcommaaccent", Wx: 600.000000, Wy: 0.000000},
+	"L":              {GlyphName: "L", Wx: 600.000000, Wy: 0.000000},
+	"Lacute":         {GlyphName: "Lacute", Wx: 600.000000, Wy: 0.000000},
+	"Lcaron":         {GlyphName: "Lcaron", Wx: 600.000000, Wy: 0.000000},
+	"Lcommaaccent":   {GlyphName: "Lcommaaccent", Wx: 600.000000, Wy: 0.000000},
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+	"Odieresis":      {GlyphName: "Odieresis", Wx: 600.000000, Wy: 0.000000},
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+	"Otilde":         {GlyphName: "Otilde", Wx: 600.000000, Wy: 0.000000},
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+	"S":              {GlyphName: "S", Wx: 600.000000, Wy: 0.000000},
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+	"bracketleft":    {GlyphName: "bracketleft", Wx: 600.000000, Wy: 0.000000},
+	"bracketright":   {GlyphName: "bracketright", Wx: 600.000000, Wy: 0.000000},
+	"breve":          {GlyphName: "breve", Wx: 600.000000, Wy: 0.000000},
+	"brokenbar":      {GlyphName: "brokenbar", Wx: 600.000000, Wy: 0.000000},
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+	"c":              {GlyphName: "c", Wx: 600.000000, Wy: 0.000000},
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+	"ccedilla":       {GlyphName: "ccedilla", Wx: 600.000000, Wy: 0.000000},
+	"cedilla":        {GlyphName: "cedilla", Wx: 600.000000, Wy: 0.000000},
+	"cent":           {GlyphName: "cent", Wx: 600.000000, Wy: 0.000000},
+	"circumflex":     {GlyphName: "circumflex", Wx: 600.000000, Wy: 0.000000},
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+	"commaaccent":    {GlyphName: "commaaccent", Wx: 600.000000, Wy: 0.000000},
+	"copyright":      {GlyphName: "copyright", Wx: 600.000000, Wy: 0.000000},
+	"currency":       {GlyphName: "currency", Wx: 600.000000, Wy: 0.000000},
+	"d":              {GlyphName: "d", Wx: 600.000000, Wy: 0.000000},
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+	"degree":         {GlyphName: "degree", Wx: 600.000000, Wy: 0.000000},
+	"dieresis":       {GlyphName: "dieresis", Wx: 600.000000, Wy: 0.000000},
+	"divide":         {GlyphName: "divide", Wx: 600.000000, Wy: 0.000000},
+	"dollar":         {GlyphName: "dollar", Wx: 600.000000, Wy: 0.000000},
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+	"eight":          {GlyphName: "eight", Wx: 600.000000, Wy: 0.000000},
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+	"equal":          {GlyphName: "equal", Wx: 600.000000, Wy: 0.000000},
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+	"florin":         {GlyphName: "florin", Wx: 600.000000, Wy: 0.000000},
+	"four":           {GlyphName: "four", Wx: 600.000000, Wy: 0.000000},
+	"fraction":       {GlyphName: "fraction", Wx: 600.000000, Wy: 0.000000},
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+	"grave":          {GlyphName: "grave", Wx: 600.000000, Wy: 0.000000},
+	"greater":        {GlyphName: "greater", Wx: 600.000000, Wy: 0.000000},
+	"greaterequal":   {GlyphName: "greaterequal", Wx: 600.000000, Wy: 0.000000},
+	"guillemotleft":  {GlyphName: "guillemotleft", Wx: 600.000000, Wy: 0.000000},
+	"guillemotright": {GlyphName: "guillemotright", Wx: 600.000000, Wy: 0.000000},
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+	"guilsinglright": {GlyphName: "guilsinglright", Wx: 600.000000, Wy: 0.000000},
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+	"hyphen":         {GlyphName: "hyphen", Wx: 600.000000, Wy: 0.000000},
+	"i":              {GlyphName: "i", Wx: 600.000000, Wy: 0.000000},
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+	"idieresis":      {GlyphName: "idieresis", Wx: 600.000000, Wy: 0.000000},
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+	"k":              {GlyphName: "k", Wx: 600.000000, Wy: 0.000000},
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+	"l":              {GlyphName: "l", Wx: 600.000000, Wy: 0.000000},
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+	"lcommaaccent":   {GlyphName: "lcommaaccent", Wx: 600.000000, Wy: 0.000000},
+	"less":           {GlyphName: "less", Wx: 600.000000, Wy: 0.000000},
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+	"m":              {GlyphName: "m", Wx: 600.000000, Wy: 0.000000},
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+	"minus":          {GlyphName: "minus", Wx: 600.000000, Wy: 0.000000},
+	"mu":             {GlyphName: "mu", Wx: 600.000000, Wy: 0.000000},
+	"multiply":       {GlyphName: "multiply", Wx: 600.000000, Wy: 0.000000},
+	"n":              {GlyphName: "n", Wx: 600.000000, Wy: 0.000000},
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+	"nine":           {GlyphName: "nine", Wx: 600.000000, Wy: 0.000000},
+	"notequal":       {GlyphName: "notequal", Wx: 600.000000, Wy: 0.000000},
+	"ntilde":         {GlyphName: "ntilde", Wx: 600.000000, Wy: 0.000000},
+	"numbersign":     {GlyphName: "numbersign", Wx: 600.000000, Wy: 0.000000},
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+	"odieresis":      {GlyphName: "odieresis", Wx: 600.000000, Wy: 0.000000},
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+	"omacron":        {GlyphName: "omacron", Wx: 600.000000, Wy: 0.000000},
+	"one":            {GlyphName: "one", Wx: 600.000000, Wy: 0.000000},
+	"onehalf":        {GlyphName: "onehalf", Wx: 600.000000, Wy: 0.000000},
+	"onequarter":     {GlyphName: "onequarter", Wx: 600.000000, Wy: 0.000000},
+	"onesuperior":    {GlyphName: "onesuperior", Wx: 600.000000, Wy: 0.000000},
+	"ordfeminine":    {GlyphName: "ordfeminine", Wx: 600.000000, Wy: 0.000000},
+	"ordmasculine":   {GlyphName: "ordmasculine", Wx: 600.000000, Wy: 0.000000},
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+	"otilde":         {GlyphName: "otilde", Wx: 600.000000, Wy: 0.000000},
+	"p":              {GlyphName: "p", Wx: 600.000000, Wy: 0.000000},
+	"paragraph":      {GlyphName: "paragraph", Wx: 600.000000, Wy: 0.000000},
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+	"parenright":     {GlyphName: "parenright", Wx: 600.000000, Wy: 0.000000},
+	"partialdiff":    {GlyphName: "partialdiff", Wx: 600.000000, Wy: 0.000000},
+	"percent":        {GlyphName: "percent", Wx: 600.000000, Wy: 0.000000},
+	"period":         {GlyphName: "period", Wx: 600.000000, Wy: 0.000000},
+	"periodcentered": {GlyphName: "periodcentered", Wx: 600.000000, Wy: 0.000000},
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+	"plusminus":      {GlyphName: "plusminus", Wx: 600.000000, Wy: 0.000000},
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+	"questiondown":   {GlyphName: "questiondown", Wx: 600.000000, Wy: 0.000000},
+	"quotedbl":       {GlyphName: "quotedbl", Wx: 600.000000, Wy: 0.000000},
+	"quotedblbase":   {GlyphName: "quotedblbase", Wx: 600.000000, Wy: 0.000000},
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+	"quoteleft":      {GlyphName: "quoteleft", Wx: 600.000000, Wy: 0.000000},
+	"quoteright":     {GlyphName: "quoteright", Wx: 600.000000, Wy: 0.000000},
+	"quotesinglbase": {GlyphName: "quotesinglbase", Wx: 600.000000, Wy: 0.000000},
+	"quotesingle":    {GlyphName: "quotesingle", Wx: 600.000000, Wy: 0.000000},
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+	"racute":         {GlyphName: "racute", Wx: 600.000000, Wy: 0.000000},
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+	"registered":     {GlyphName: "registered", Wx: 600.000000, Wy: 0.000000},
+	"ring":           {GlyphName: "ring", Wx: 600.000000, Wy: 0.000000},
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+	"section":        {GlyphName: "section", Wx: 600.000000, Wy: 0.000000},
+	"semicolon":      {GlyphName: "semicolon", Wx: 600.000000, Wy: 0.000000},
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+	"six":            {GlyphName: "six", Wx: 600.000000, Wy: 0.000000},
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+	"sterling":       {GlyphName: "sterling", Wx: 600.000000, Wy: 0.000000},
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+	"x":              {GlyphName: "x", Wx: 600.000000, Wy: 0.000000},
+	"y":              {GlyphName: "y", Wx: 600.000000, Wy: 0.000000},
+	"yacute":         {GlyphName: "yacute", Wx: 600.000000, Wy: 0.000000},
+	"ydieresis":      {GlyphName: "ydieresis", Wx: 600.000000, Wy: 0.000000},
+	"yen":            {GlyphName: "yen", Wx: 600.000000, Wy: 0.000000},
+	"z":              {GlyphName: "z", Wx: 600.000000, Wy: 0.000000},
+	"zacute":         {GlyphName: "zacute", Wx: 600.000000, Wy: 0.000000},
+	"zcaron":         {GlyphName: "zcaron", Wx: 600.000000, Wy: 0.000000},
+	"zdotaccent":     {GlyphName: "zdotaccent", Wx: 600.000000, Wy: 0.000000},
+	"zero":           {GlyphName: "zero", Wx: 600.000000, Wy: 0.000000},
+}

internal/pdf/model/fonts/courier_oblique.go

@@ -0,0 +1,362 @@
+package fonts
+
+import (
+	"gitea.tecamino.com/paadi/pdfmerge/internal/pdf/core"
+	"gitea.tecamino.com/paadi/pdfmerge/internal/pdf/model/textencoding"
+)
+
+// Font Courier-Oblique.  Implements Font interface.
+// This is a built-in font and it is assumed that every reader has access to it.
+type fontCourierOblique struct {
+	encoder textencoding.TextEncoder
+}
+
+func NewFontCourierOblique() fontCourierOblique {
+	font := fontCourierOblique{}
+	font.encoder = textencoding.NewWinAnsiTextEncoder() // Default
+	return font
+}
+
+func (font fontCourierOblique) SetEncoder(encoder textencoding.TextEncoder) {
+	font.encoder = encoder
+}
+
+func (font fontCourierOblique) GetGlyphCharMetrics(glyph string) (CharMetrics, bool) {
+	metrics, has := courierObliqueCharMetrics[glyph]
+	if !has {
+		return metrics, false
+	}
+
+	return metrics, true
+}
+
+func (font fontCourierOblique) ToPdfObject() core.PdfObject {
+	obj := &core.PdfIndirectObject{}
+
+	fontDict := core.MakeDict()
+	fontDict.Set("Type", core.MakeName("Font"))
+	fontDict.Set("Subtype", core.MakeName("Type1"))
+	fontDict.Set("BaseFont", core.MakeName("Courier-Oblique"))
+	fontDict.Set("Encoding", font.encoder.ToPdfObject())
+
+	obj.PdfObject = fontDict
+	return obj
+}
+
+var courierObliqueCharMetrics map[string]CharMetrics = map[string]CharMetrics{
+	"A":              {GlyphName: "A", Wx: 600.000000, Wy: 0.000000},
+	"AE":             {GlyphName: "AE", Wx: 600.000000, Wy: 0.000000},
+	"Aacute":         {GlyphName: "Aacute", Wx: 600.000000, Wy: 0.000000},
+	"Abreve":         {GlyphName: "Abreve", Wx: 600.000000, Wy: 0.000000},
+	"Acircumflex":    {GlyphName: "Acircumflex", Wx: 600.000000, Wy: 0.000000},
+	"Adieresis":      {GlyphName: "Adieresis", Wx: 600.000000, Wy: 0.000000},
+	"Agrave":         {GlyphName: "Agrave", Wx: 600.000000, Wy: 0.000000},
+	"Amacron":        {GlyphName: "Amacron", Wx: 600.000000, Wy: 0.000000},
+	"Aogonek":        {GlyphName: "Aogonek", Wx: 600.000000, Wy: 0.000000},
+	"Aring":          {GlyphName: "Aring", Wx: 600.000000, Wy: 0.000000},
+	"Atilde":         {GlyphName: "Atilde", Wx: 600.000000, Wy: 0.000000},
+	"B":              {GlyphName: "B", Wx: 600.000000, Wy: 0.000000},
+	"C":              {GlyphName: "C", Wx: 600.000000, Wy: 0.000000},
+	"Cacute":         {GlyphName: "Cacute", Wx: 600.000000, Wy: 0.000000},
+	"Ccaron":         {GlyphName: "Ccaron", Wx: 600.000000, Wy: 0.000000},
+	"Ccedilla":       {GlyphName: "Ccedilla", Wx: 600.000000, Wy: 0.000000},
+	"D":              {GlyphName: "D", Wx: 600.000000, Wy: 0.000000},
+	"Dcaron":         {GlyphName: "Dcaron", Wx: 600.000000, Wy: 0.000000},
+	"Dcroat":         {GlyphName: "Dcroat", Wx: 600.000000, Wy: 0.000000},
+	"Delta":          {GlyphName: "Delta", Wx: 600.000000, Wy: 0.000000},
+	"E":              {GlyphName: "E", Wx: 600.000000, Wy: 0.000000},
+	"Eacute":         {GlyphName: "Eacute", Wx: 600.000000, Wy: 0.000000},
+	"Ecaron":         {GlyphName: "Ecaron", Wx: 600.000000, Wy: 0.000000},
+	"Ecircumflex":    {GlyphName: "Ecircumflex", Wx: 600.000000, Wy: 0.000000},
+	"Edieresis":      {GlyphName: "Edieresis", Wx: 600.000000, Wy: 0.000000},
+	"Edotaccent":     {GlyphName: "Edotaccent", Wx: 600.000000, Wy: 0.000000},
+	"Egrave":         {GlyphName: "Egrave", Wx: 600.000000, Wy: 0.000000},
+	"Emacron":        {GlyphName: "Emacron", Wx: 600.000000, Wy: 0.000000},
+	"Eogonek":        {GlyphName: "Eogonek", Wx: 600.000000, Wy: 0.000000},
+	"Eth":            {GlyphName: "Eth", Wx: 600.000000, Wy: 0.000000},
+	"Euro":           {GlyphName: "Euro", Wx: 600.000000, Wy: 0.000000},
+	"F":              {GlyphName: "F", Wx: 600.000000, Wy: 0.000000},
+	"G":              {GlyphName: "G", Wx: 600.000000, Wy: 0.000000},
+	"Gbreve":         {GlyphName: "Gbreve", Wx: 600.000000, Wy: 0.000000},
+	"Gcommaaccent":   {GlyphName: "Gcommaaccent", Wx: 600.000000, Wy: 0.000000},
+	"H":              {GlyphName: "H", Wx: 600.000000, Wy: 0.000000},
+	"I":              {GlyphName: "I", Wx: 600.000000, Wy: 0.000000},
+	"Iacute":         {GlyphName: "Iacute", Wx: 600.000000, Wy: 0.000000},
+	"Icircumflex":    {GlyphName: "Icircumflex", Wx: 600.000000, Wy: 0.000000},
+	"Idieresis":      {GlyphName: "Idieresis", Wx: 600.000000, Wy: 0.000000},
+	"Idotaccent":     {GlyphName: "Idotaccent", Wx: 600.000000, Wy: 0.000000},
+	"Igrave":         {GlyphName: "Igrave", Wx: 600.000000, Wy: 0.000000},
+	"Imacron":        {GlyphName: "Imacron", Wx: 600.000000, Wy: 0.000000},
+	"Iogonek":        {GlyphName: "Iogonek", Wx: 600.000000, Wy: 0.000000},
+	"J":              {GlyphName: "J", Wx: 600.000000, Wy: 0.000000},
+	"K":              {GlyphName: "K", Wx: 600.000000, Wy: 0.000000},
+	"Kcommaaccent":   {GlyphName: "Kcommaaccent", Wx: 600.000000, Wy: 0.000000},
+	"L":              {GlyphName: "L", Wx: 600.000000, Wy: 0.000000},
+	"Lacute":         {GlyphName: "Lacute", Wx: 600.000000, Wy: 0.000000},
+	"Lcaron":         {GlyphName: "Lcaron", Wx: 600.000000, Wy: 0.000000},
+	"Lcommaaccent":   {GlyphName: "Lcommaaccent", Wx: 600.000000, Wy: 0.000000},
+	"Lslash":         {GlyphName: "Lslash", Wx: 600.000000, Wy: 0.000000},
+	"M":              {GlyphName: "M", Wx: 600.000000, Wy: 0.000000},
+	"N":              {GlyphName: "N", Wx: 600.000000, Wy: 0.000000},
+	"Nacute":         {GlyphName: "Nacute", Wx: 600.000000, Wy: 0.000000},
+	"Ncaron":         {GlyphName: "Ncaron", Wx: 600.000000, Wy: 0.000000},
+	"Ncommaaccent":   {GlyphName: "Ncommaaccent", Wx: 600.000000, Wy: 0.000000},
+	"Ntilde":         {GlyphName: "Ntilde", Wx: 600.000000, Wy: 0.000000},
+	"O":              {GlyphName: "O", Wx: 600.000000, Wy: 0.000000},
+	"OE":             {GlyphName: "OE", Wx: 600.000000, Wy: 0.000000},
+	"Oacute":         {GlyphName: "Oacute", Wx: 600.000000, Wy: 0.000000},
+	"Ocircumflex":    {GlyphName: "Ocircumflex", Wx: 600.000000, Wy: 0.000000},
+	"Odieresis":      {GlyphName: "Odieresis", Wx: 600.000000, Wy: 0.000000},
+	"Ograve":         {GlyphName: "Ograve", Wx: 600.000000, Wy: 0.000000},
+	"Ohungarumlaut":  {GlyphName: "Ohungarumlaut", Wx: 600.000000, Wy: 0.000000},
+	"Omacron":        {GlyphName: "Omacron", Wx: 600.000000, Wy: 0.000000},
+	"Oslash":         {GlyphName: "Oslash", Wx: 600.000000, Wy: 0.000000},
+	"Otilde":         {GlyphName: "Otilde", Wx: 600.000000, Wy: 0.000000},
+	"P":              {GlyphName: "P", Wx: 600.000000, Wy: 0.000000},
+	"Q":              {GlyphName: "Q", Wx: 600.000000, Wy: 0.000000},
+	"R":              {GlyphName: "R", Wx: 600.000000, Wy: 0.000000},
+	"Racute":         {GlyphName: "Racute", Wx: 600.000000, Wy: 0.000000},
+	"Rcaron":         {GlyphName: "Rcaron", Wx: 600.000000, Wy: 0.000000},
+	"Rcommaaccent":   {GlyphName: "Rcommaaccent", Wx: 600.000000, Wy: 0.000000},
+	"S":              {GlyphName: "S", Wx: 600.000000, Wy: 0.000000},
+	"Sacute":         {GlyphName: "Sacute", Wx: 600.000000, Wy: 0.000000},
+	"Scaron":         {GlyphName: "Scaron", Wx: 600.000000, Wy: 0.000000},
+	"Scedilla":       {GlyphName: "Scedilla", Wx: 600.000000, Wy: 0.000000},
+	"Scommaaccent":   {GlyphName: "Scommaaccent", Wx: 600.000000, Wy: 0.000000},
+	"T":              {GlyphName: "T", Wx: 600.000000, Wy: 0.000000},
+	"Tcaron":         {GlyphName: "Tcaron", Wx: 600.000000, Wy: 0.000000},
+	"Tcommaaccent":   {GlyphName: "Tcommaaccent", Wx: 600.000000, Wy: 0.000000},
+	"Thorn":          {GlyphName: "Thorn", Wx: 600.000000, Wy: 0.000000},
+	"U":              {GlyphName: "U", Wx: 600.000000, Wy: 0.000000},
+	"Uacute":         {GlyphName: "Uacute", Wx: 600.000000, Wy: 0.000000},
+	"Ucircumflex":    {GlyphName: "Ucircumflex", Wx: 600.000000, Wy: 0.000000},
+	"Udieresis":      {GlyphName: "Udieresis", Wx: 600.000000, Wy: 0.000000},
+	"Ugrave":         {GlyphName: "Ugrave", Wx: 600.000000, Wy: 0.000000},
+	"Uhungarumlaut":  {GlyphName: "Uhungarumlaut", Wx: 600.000000, Wy: 0.000000},
+	"Umacron":        {GlyphName: "Umacron", Wx: 600.000000, Wy: 0.000000},
+	"Uogonek":        {GlyphName: "Uogonek", Wx: 600.000000, Wy: 0.000000},
+	"Uring":          {GlyphName: "Uring", Wx: 600.000000, Wy: 0.000000},
+	"V":              {GlyphName: "V", Wx: 600.000000, Wy: 0.000000},
+	"W":              {GlyphName: "W", Wx: 600.000000, Wy: 0.000000},
+	"X":              {GlyphName: "X", Wx: 600.000000, Wy: 0.000000},
+	"Y":              {GlyphName: "Y", Wx: 600.000000, Wy: 0.000000},
+	"Yacute":         {GlyphName: "Yacute", Wx: 600.000000, Wy: 0.000000},
+	"Ydieresis":      {GlyphName: "Ydieresis", Wx: 600.000000, Wy: 0.000000},
+	"Z":              {GlyphName: "Z", Wx: 600.000000, Wy: 0.000000},
+	"Zacute":         {GlyphName: "Zacute", Wx: 600.000000, Wy: 0.000000},
+	"Zcaron":         {GlyphName: "Zcaron", Wx: 600.000000, Wy: 0.000000},
+	"Zdotaccent":     {GlyphName: "Zdotaccent", Wx: 600.000000, Wy: 0.000000},
+	"a":              {GlyphName: "a", Wx: 600.000000, Wy: 0.000000},
+	"aacute":         {GlyphName: "aacute", Wx: 600.000000, Wy: 0.000000},
+	"abreve":         {GlyphName: "abreve", Wx: 600.000000, Wy: 0.000000},
+	"acircumflex":    {GlyphName: "acircumflex", Wx: 600.000000, Wy: 0.000000},
+	"acute":          {GlyphName: "acute", Wx: 600.000000, Wy: 0.000000},
+	"adieresis":      {GlyphName: "adieresis", Wx: 600.000000, Wy: 0.000000},
+	"ae":             {GlyphName: "ae", Wx: 600.000000, Wy: 0.000000},
+	"agrave":         {GlyphName: "agrave", Wx: 600.000000, Wy: 0.000000},
+	"amacron":        {GlyphName: "amacron", Wx: 600.000000, Wy: 0.000000},
+	"ampersand":      {GlyphName: "ampersand", Wx: 600.000000, Wy: 0.000000},
+	"aogonek":        {GlyphName: "aogonek", Wx: 600.000000, Wy: 0.000000},
+	"aring":          {GlyphName: "aring", Wx: 600.000000, Wy: 0.000000},
+	"asciicircum":    {GlyphName: "asciicircum", Wx: 600.000000, Wy: 0.000000},
+	"asciitilde":     {GlyphName: "asciitilde", Wx: 600.000000, Wy: 0.000000},
+	"asterisk":       {GlyphName: "asterisk", Wx: 600.000000, Wy: 0.000000},
+	"at":             {GlyphName: "at", Wx: 600.000000, Wy: 0.000000},
+	"atilde":         {GlyphName: "atilde", Wx: 600.000000, Wy: 0.000000},
+	"b":              {GlyphName: "b", Wx: 600.000000, Wy: 0.000000},
+	"backslash":      {GlyphName: "backslash", Wx: 600.000000, Wy: 0.000000},
+	"bar":            {GlyphName: "bar", Wx: 600.000000, Wy: 0.000000},
+	"braceleft":      {GlyphName: "braceleft", Wx: 600.000000, Wy: 0.000000},
+	"braceright":     {GlyphName: "braceright", Wx: 600.000000, Wy: 0.000000},
+	"bracketleft":    {GlyphName: "bracketleft", Wx: 600.000000, Wy: 0.000000},
+	"bracketright":   {GlyphName: "bracketright", Wx: 600.000000, Wy: 0.000000},
+	"breve":          {GlyphName: "breve", Wx: 600.000000, Wy: 0.000000},
+	"brokenbar":      {GlyphName: "brokenbar", Wx: 600.000000, Wy: 0.000000},
+	"bullet":         {GlyphName: "bullet", Wx: 600.000000, Wy: 0.000000},
+	"c":              {GlyphName: "c", Wx: 600.000000, Wy: 0.000000},
+	"cacute":         {GlyphName: "cacute", Wx: 600.000000, Wy: 0.000000},
+	"caron":          {GlyphName: "caron", Wx: 600.000000, Wy: 0.000000},
+	"ccaron":         {GlyphName: "ccaron", Wx: 600.000000, Wy: 0.000000},
+	"ccedilla":       {GlyphName: "ccedilla", Wx: 600.000000, Wy: 0.000000},
+	"cedilla":        {GlyphName: "cedilla", Wx: 600.000000, Wy: 0.000000},
+	"cent":           {GlyphName: "cent", Wx: 600.000000, Wy: 0.000000},
+	"circumflex":     {GlyphName: "circumflex", Wx: 600.000000, Wy: 0.000000},
+	"colon":          {GlyphName: "colon", Wx: 600.000000, Wy: 0.000000},
+	"comma":          {GlyphName: "comma", Wx: 600.000000, Wy: 0.000000},
+	"commaaccent":    {GlyphName: "commaaccent", Wx: 600.000000, Wy: 0.000000},
+	"copyright":      {GlyphName: "copyright", Wx: 600.000000, Wy: 0.000000},
+	"currency":       {GlyphName: "currency", Wx: 600.000000, Wy: 0.000000},
+	"d":              {GlyphName: "d", Wx: 600.000000, Wy: 0.000000},
+	"dagger":         {GlyphName: "dagger", Wx: 600.000000, Wy: 0.000000},
+	"daggerdbl":      {GlyphName: "daggerdbl", Wx: 600.000000, Wy: 0.000000},
+	"dcaron":         {GlyphName: "dcaron", Wx: 600.000000, Wy: 0.000000},
+	"dcroat":         {GlyphName: "dcroat", Wx: 600.000000, Wy: 0.000000},
+	"degree":         {GlyphName: "degree", Wx: 600.000000, Wy: 0.000000},
+	"dieresis":       {GlyphName: "dieresis", Wx: 600.000000, Wy: 0.000000},
+	"divide":         {GlyphName: "divide", Wx: 600.000000, Wy: 0.000000},
+	"dollar":         {GlyphName: "dollar", Wx: 600.000000, Wy: 0.000000},
+	"dotaccent":      {GlyphName: "dotaccent", Wx: 600.000000, Wy: 0.000000},
+	"dotlessi":       {GlyphName: "dotlessi", Wx: 600.000000, Wy: 0.000000},
+	"e":              {GlyphName: "e", Wx: 600.000000, Wy: 0.000000},
+	"eacute":         {GlyphName: "eacute", Wx: 600.000000, Wy: 0.000000},
+	"ecaron":         {GlyphName: "ecaron", Wx: 600.000000, Wy: 0.000000},
+	"ecircumflex":    {GlyphName: "ecircumflex", Wx: 600.000000, Wy: 0.000000},
+	"edieresis":      {GlyphName: "edieresis", Wx: 600.000000, Wy: 0.000000},
+	"edotaccent":     {GlyphName: "edotaccent", Wx: 600.000000, Wy: 0.000000},
+	"egrave":         {GlyphName: "egrave", Wx: 600.000000, Wy: 0.000000},
+	"eight":          {GlyphName: "eight", Wx: 600.000000, Wy: 0.000000},
+	"ellipsis":       {GlyphName: "ellipsis", Wx: 600.000000, Wy: 0.000000},
+	"emacron":        {GlyphName: "emacron", Wx: 600.000000, Wy: 0.000000},
+	"emdash":         {GlyphName: "emdash", Wx: 600.000000, Wy: 0.000000},
+	"endash":         {GlyphName: "endash", Wx: 600.000000, Wy: 0.000000},
+	"eogonek":        {GlyphName: "eogonek", Wx: 600.000000, Wy: 0.000000},
+	"equal":          {GlyphName: "equal", Wx: 600.000000, Wy: 0.000000},
+	"eth":            {GlyphName: "eth", Wx: 600.000000, Wy: 0.000000},
+	"exclam":         {GlyphName: "exclam", Wx: 600.000000, Wy: 0.000000},
+	"exclamdown":     {GlyphName: "exclamdown", Wx: 600.000000, Wy: 0.000000},
+	"f":              {GlyphName: "f", Wx: 600.000000, Wy: 0.000000},
+	"fi":             {GlyphName: "fi", Wx: 600.000000, Wy: 0.000000},
+	"five":           {GlyphName: "five", Wx: 600.000000, Wy: 0.000000},
+	"fl":             {GlyphName: "fl", Wx: 600.000000, Wy: 0.000000},
+	"florin":         {GlyphName: "florin", Wx: 600.000000, Wy: 0.000000},
+	"four":           {GlyphName: "four", Wx: 600.000000, Wy: 0.000000},
+	"fraction":       {GlyphName: "fraction", Wx: 600.000000, Wy: 0.000000},
+	"g":              {GlyphName: "g", Wx: 600.000000, Wy: 0.000000},
+	"gbreve":         {GlyphName: "gbreve", Wx: 600.000000, Wy: 0.000000},
+	"gcommaaccent":   {GlyphName: "gcommaaccent", Wx: 600.000000, Wy: 0.000000},
+	"germandbls":     {GlyphName: "germandbls", Wx: 600.000000, Wy: 0.000000},
+	"grave":          {GlyphName: "grave", Wx: 600.000000, Wy: 0.000000},
+	"greater":        {GlyphName: "greater", Wx: 600.000000, Wy: 0.000000},
+	"greaterequal":   {GlyphName: "greaterequal", Wx: 600.000000, Wy: 0.000000},
+	"guillemotleft":  {GlyphName: "guillemotleft", Wx: 600.000000, Wy: 0.000000},
+	"guillemotright": {GlyphName: "guillemotright", Wx: 600.000000, Wy: 0.000000},
+	"guilsinglleft":  {GlyphName: "guilsinglleft", Wx: 600.000000, Wy: 0.000000},
+	"guilsinglright": {GlyphName: "guilsinglright", Wx: 600.000000, Wy: 0.000000},
+	"h":              {GlyphName: "h", Wx: 600.000000, Wy: 0.000000},
+	"hungarumlaut":   {GlyphName: "hungarumlaut", Wx: 600.000000, Wy: 0.000000},
+	"hyphen":         {GlyphName: "hyphen", Wx: 600.000000, Wy: 0.000000},
+	"i":              {GlyphName: "i", Wx: 600.000000, Wy: 0.000000},
+	"iacute":         {GlyphName: "iacute", Wx: 600.000000, Wy: 0.000000},
+	"icircumflex":    {GlyphName: "icircumflex", Wx: 600.000000, Wy: 0.000000},
+	"idieresis":      {GlyphName: "idieresis", Wx: 600.000000, Wy: 0.000000},
+	"igrave":         {GlyphName: "igrave", Wx: 600.000000, Wy: 0.000000},
+	"imacron":        {GlyphName: "imacron", Wx: 600.000000, Wy: 0.000000},
+	"iogonek":        {GlyphName: "iogonek", Wx: 600.000000, Wy: 0.000000},
+	"j":              {GlyphName: "j", Wx: 600.000000, Wy: 0.000000},
+	"k":              {GlyphName: "k", Wx: 600.000000, Wy: 0.000000},
+	"kcommaaccent":   {GlyphName: "kcommaaccent", Wx: 600.000000, Wy: 0.000000},
+	"l":              {GlyphName: "l", Wx: 600.000000, Wy: 0.000000},
+	"lacute":         {GlyphName: "lacute", Wx: 600.000000, Wy: 0.000000},
+	"lcaron":         {GlyphName: "lcaron", Wx: 600.000000, Wy: 0.000000},
+	"lcommaaccent":   {GlyphName: "lcommaaccent", Wx: 600.000000, Wy: 0.000000},
+	"less":           {GlyphName: "less", Wx: 600.000000, Wy: 0.000000},
+	"lessequal":      {GlyphName: "lessequal", Wx: 600.000000, Wy: 0.000000},
+	"logicalnot":     {GlyphName: "logicalnot", Wx: 600.000000, Wy: 0.000000},
+	"lozenge":        {GlyphName: "lozenge", Wx: 600.000000, Wy: 0.000000},
+	"lslash":         {GlyphName: "lslash", Wx: 600.000000, Wy: 0.000000},
+	"m":              {GlyphName: "m", Wx: 600.000000, Wy: 0.000000},
+	"macron":         {GlyphName: "macron", Wx: 600.000000, Wy: 0.000000},
+	"minus":          {GlyphName: "minus", Wx: 600.000000, Wy: 0.000000},
+	"mu":             {GlyphName: "mu", Wx: 600.000000, Wy: 0.000000},
+	"multiply":       {GlyphName: "multiply", Wx: 600.000000, Wy: 0.000000},
+	"n":              {GlyphName: "n", Wx: 600.000000, Wy: 0.000000},
+	"nacute":         {GlyphName: "nacute", Wx: 600.000000, Wy: 0.000000},
+	"ncaron":         {GlyphName: "ncaron", Wx: 600.000000, Wy: 0.000000},
+	"ncommaaccent":   {GlyphName: "ncommaaccent", Wx: 600.000000, Wy: 0.000000},
+	"nine":           {GlyphName: "nine", Wx: 600.000000, Wy: 0.000000},
+	"notequal":       {GlyphName: "notequal", Wx: 600.000000, Wy: 0.000000},
+	"ntilde":         {GlyphName: "ntilde", Wx: 600.000000, Wy: 0.000000},
+	"numbersign":     {GlyphName: "numbersign", Wx: 600.000000, Wy: 0.000000},
+	"o":              {GlyphName: "o", Wx: 600.000000, Wy: 0.000000},
+	"oacute":         {GlyphName: "oacute", Wx: 600.000000, Wy: 0.000000},
+	"ocircumflex":    {GlyphName: "ocircumflex", Wx: 600.000000, Wy: 0.000000},
+	"odieresis":      {GlyphName: "odieresis", Wx: 600.000000, Wy: 0.000000},
+	"oe":             {GlyphName: "oe", Wx: 600.000000, Wy: 0.000000},
+	"ogonek":         {GlyphName: "ogonek", Wx: 600.000000, Wy: 0.000000},
+	"ograve":         {GlyphName: "ograve", Wx: 600.000000, Wy: 0.000000},
+	"ohungarumlaut":  {GlyphName: "ohungarumlaut", Wx: 600.000000, Wy: 0.000000},
+	"omacron":        {GlyphName: "omacron", Wx: 600.000000, Wy: 0.000000},
+	"one":            {GlyphName: "one", Wx: 600.000000, Wy: 0.000000},
+	"onehalf":        {GlyphName: "onehalf", Wx: 600.000000, Wy: 0.000000},
+	"onequarter":     {GlyphName: "onequarter", Wx: 600.000000, Wy: 0.000000},
+	"onesuperior":    {GlyphName: "onesuperior", Wx: 600.000000, Wy: 0.000000},
+	"ordfeminine":    {GlyphName: "ordfeminine", Wx: 600.000000, Wy: 0.000000},
+	"ordmasculine":   {GlyphName: "ordmasculine", Wx: 600.000000, Wy: 0.000000},
+	"oslash":         {GlyphName: "oslash", Wx: 600.000000, Wy: 0.000000},
+	"otilde":         {GlyphName: "otilde", Wx: 600.000000, Wy: 0.000000},
+	"p":              {GlyphName: "p", Wx: 600.000000, Wy: 0.000000},
+	"paragraph":      {GlyphName: "paragraph", Wx: 600.000000, Wy: 0.000000},
+	"parenleft":      {GlyphName: "parenleft", Wx: 600.000000, Wy: 0.000000},
+	"parenright":     {GlyphName: "parenright", Wx: 600.000000, Wy: 0.000000},
+	"partialdiff":    {GlyphName: "partialdiff", Wx: 600.000000, Wy: 0.000000},
+	"percent":        {GlyphName: "percent", Wx: 600.000000, Wy: 0.000000},
+	"period":         {GlyphName: "period", Wx: 600.000000, Wy: 0.000000},
+	"periodcentered": {GlyphName: "periodcentered", Wx: 600.000000, Wy: 0.000000},
+	"perthousand":    {GlyphName: "perthousand", Wx: 600.000000, Wy: 0.000000},
+	"plus":           {GlyphName: "plus", Wx: 600.000000, Wy: 0.000000},
+	"plusminus":      {GlyphName: "plusminus", Wx: 600.000000, Wy: 0.000000},
+	"q":              {GlyphName: "q", Wx: 600.000000, Wy: 0.000000},
+	"question":       {GlyphName: "question", Wx: 600.000000, Wy: 0.000000},
+	"questiondown":   {GlyphName: "questiondown", Wx: 600.000000, Wy: 0.000000},
+	"quotedbl":       {GlyphName: "quotedbl", Wx: 600.000000, Wy: 0.000000},
+	"quotedblbase":   {GlyphName: "quotedblbase", Wx: 600.000000, Wy: 0.000000},
+	"quotedblleft":   {GlyphName: "quotedblleft", Wx: 600.000000, Wy: 0.000000},
+	"quotedblright":  {GlyphName: "quotedblright", Wx: 600.000000, Wy: 0.000000},
+	"quoteleft":      {GlyphName: "quoteleft", Wx: 600.000000, Wy: 0.000000},
+	"quoteright":     {GlyphName: "quoteright", Wx: 600.000000, Wy: 0.000000},
+	"quotesinglbase": {GlyphName: "quotesinglbase", Wx: 600.000000, Wy: 0.000000},
+	"quotesingle":    {GlyphName: "quotesingle", Wx: 600.000000, Wy: 0.000000},
+	"r":              {GlyphName: "r", Wx: 600.000000, Wy: 0.000000},
+	"racute":         {GlyphName: "racute", Wx: 600.000000, Wy: 0.000000},
+	"radical":        {GlyphName: "radical", Wx: 600.000000, Wy: 0.000000},
+	"rcaron":         {GlyphName: "rcaron", Wx: 600.000000, Wy: 0.000000},
+	"rcommaaccent":   {GlyphName: "rcommaaccent", Wx: 600.000000, Wy: 0.000000},
+	"registered":     {GlyphName: "registered", Wx: 600.000000, Wy: 0.000000},
+	"ring":           {GlyphName: "ring", Wx: 600.000000, Wy: 0.000000},
+	"s":              {GlyphName: "s", Wx: 600.000000, Wy: 0.000000},
+	"sacute":         {GlyphName: "sacute", Wx: 600.000000, Wy: 0.000000},
+	"scaron":         {GlyphName: "scaron", Wx: 600.000000, Wy: 0.000000},
+	"scedilla":       {GlyphName: "scedilla", Wx: 600.000000, Wy: 0.000000},
+	"scommaaccent":   {GlyphName: "scommaaccent", Wx: 600.000000, Wy: 0.000000},
+	"section":        {GlyphName: "section", Wx: 600.000000, Wy: 0.000000},
+	"semicolon":      {GlyphName: "semicolon", Wx: 600.000000, Wy: 0.000000},
+	"seven":          {GlyphName: "seven", Wx: 600.000000, Wy: 0.000000},
+	"six":            {GlyphName: "six", Wx: 600.000000, Wy: 0.000000},
+	"slash":          {GlyphName: "slash", Wx: 600.000000, Wy: 0.000000},
+	"space":          {GlyphName: "space", Wx: 600.000000, Wy: 0.000000},
+	"sterling":       {GlyphName: "sterling", Wx: 600.000000, Wy: 0.000000},
+	"summation":      {GlyphName: "summation", Wx: 600.000000, Wy: 0.000000},
+	"t":              {GlyphName: "t", Wx: 600.000000, Wy: 0.000000},
+	"tcaron":         {GlyphName: "tcaron", Wx: 600.000000, Wy: 0.000000},
+	"tcommaaccent":   {GlyphName: "tcommaaccent", Wx: 600.000000, Wy: 0.000000},
+	"thorn":          {GlyphName: "thorn", Wx: 600.000000, Wy: 0.000000},
+	"three":          {GlyphName: "three", Wx: 600.000000, Wy: 0.000000},
+	"threequarters":  {GlyphName: "threequarters", Wx: 600.000000, Wy: 0.000000},
+	"threesuperior":  {GlyphName: "threesuperior", Wx: 600.000000, Wy: 0.000000},
+	"tilde":          {GlyphName: "tilde", Wx: 600.000000, Wy: 0.000000},
+	"trademark":      {GlyphName: "trademark", Wx: 600.000000, Wy: 0.000000},
+	"two":            {GlyphName: "two", Wx: 600.000000, Wy: 0.000000},
+	"twosuperior":    {GlyphName: "twosuperior", Wx: 600.000000, Wy: 0.000000},
+	"u":              {GlyphName: "u", Wx: 600.000000, Wy: 0.000000},
+	"uacute":         {GlyphName: "uacute", Wx: 600.000000, Wy: 0.000000},
+	"ucircumflex":    {GlyphName: "ucircumflex", Wx: 600.000000, Wy: 0.000000},
+	"udieresis":      {GlyphName: "udieresis", Wx: 600.000000, Wy: 0.000000},
+	"ugrave":         {GlyphName: "ugrave", Wx: 600.000000, Wy: 0.000000},
+	"uhungarumlaut":  {GlyphName: "uhungarumlaut", Wx: 600.000000, Wy: 0.000000},
+	"umacron":        {GlyphName: "umacron", Wx: 600.000000, Wy: 0.000000},
+	"underscore":     {GlyphName: "underscore", Wx: 600.000000, Wy: 0.000000},
+	"uogonek":        {GlyphName: "uogonek", Wx: 600.000000, Wy: 0.000000},
+	"uring":          {GlyphName: "uring", Wx: 600.000000, Wy: 0.000000},
+	"v":              {GlyphName: "v", Wx: 600.000000, Wy: 0.000000},
+	"w":              {GlyphName: "w", Wx: 600.000000, Wy: 0.000000},
+	"x":              {GlyphName: "x", Wx: 600.000000, Wy: 0.000000},
+	"y":              {GlyphName: "y", Wx: 600.000000, Wy: 0.000000},
+	"yacute":         {GlyphName: "yacute", Wx: 600.000000, Wy: 0.000000},
+	"ydieresis":      {GlyphName: "ydieresis", Wx: 600.000000, Wy: 0.000000},
+	"yen":            {GlyphName: "yen", Wx: 600.000000, Wy: 0.000000},
+	"z":              {GlyphName: "z", Wx: 600.000000, Wy: 0.000000},
+	"zacute":         {GlyphName: "zacute", Wx: 600.000000, Wy: 0.000000},
+	"zcaron":         {GlyphName: "zcaron", Wx: 600.000000, Wy: 0.000000},
+	"zdotaccent":     {GlyphName: "zdotaccent", Wx: 600.000000, Wy: 0.000000},
+	"zero":           {GlyphName: "zero", Wx: 600.000000, Wy: 0.000000},
+}

internal/pdf/model/fonts/font.go

@@ -0,0 +1,18 @@
+package fonts
+
+import (
+	"gitea.tecamino.com/paadi/pdfmerge/internal/pdf/core"
+	"gitea.tecamino.com/paadi/pdfmerge/internal/pdf/model/textencoding"
+)
+
+type Font interface {
+	SetEncoder(encoder textencoding.TextEncoder)
+	GetGlyphCharMetrics(glyph string) (CharMetrics, bool)
+	ToPdfObject() core.PdfObject
+}
+
+type CharMetrics struct {
+	GlyphName string
+	Wx        float64
+	Wy        float64
+}

internal/pdf/model/fonts/helvetica.go

@@ -0,0 +1,362 @@
+package fonts
+
+import (
+	"gitea.tecamino.com/paadi/pdfmerge/internal/pdf/core"
+	"gitea.tecamino.com/paadi/pdfmerge/internal/pdf/model/textencoding"
+)
+
+// Font Helvetica.  Implements Font interface.
+// This is a built-in font and it is assumed that every reader has access to it.
+type fontHelvetica struct {
+	encoder textencoding.TextEncoder
+}
+
+func NewFontHelvetica() fontHelvetica {
+	font := fontHelvetica{}
+	font.encoder = textencoding.NewWinAnsiTextEncoder() // Default
+	return font
+}
+
+func (font fontHelvetica) SetEncoder(encoder textencoding.TextEncoder) {
+	font.encoder = encoder
+}
+
+func (font fontHelvetica) GetGlyphCharMetrics(glyph string) (CharMetrics, bool) {
+	metrics, has := helveticaCharMetrics[glyph]
+	if !has {
+		return metrics, false
+	}
+
+	return metrics, true
+}
+
+func (font fontHelvetica) ToPdfObject() core.PdfObject {
+	obj := &core.PdfIndirectObject{}
+
+	fontDict := core.MakeDict()
+	fontDict.Set("Type", core.MakeName("Font"))
+	fontDict.Set("Subtype", core.MakeName("Type1"))
+	fontDict.Set("BaseFont", core.MakeName("Helvetica"))
+	fontDict.Set("Encoding", font.encoder.ToPdfObject())
+
+	obj.PdfObject = fontDict
+	return obj
+}
+
+var helveticaCharMetrics map[string]CharMetrics = map[string]CharMetrics{
+	"A":              {GlyphName: "A", Wx: 667.000000, Wy: 0.000000},
+	"AE":             {GlyphName: "AE", Wx: 1000.000000, Wy: 0.000000},
+	"Aacute":         {GlyphName: "Aacute", Wx: 667.000000, Wy: 0.000000},
+	"Abreve":         {GlyphName: "Abreve", Wx: 667.000000, Wy: 0.000000},
+	"Acircumflex":    {GlyphName: "Acircumflex", Wx: 667.000000, Wy: 0.000000},
+	"Adieresis":      {GlyphName: "Adieresis", Wx: 667.000000, Wy: 0.000000},
+	"Agrave":         {GlyphName: "Agrave", Wx: 667.000000, Wy: 0.000000},
+	"Amacron":        {GlyphName: "Amacron", Wx: 667.000000, Wy: 0.000000},
+	"Aogonek":        {GlyphName: "Aogonek", Wx: 667.000000, Wy: 0.000000},
+	"Aring":          {GlyphName: "Aring", Wx: 667.000000, Wy: 0.000000},
+	"Atilde":         {GlyphName: "Atilde", Wx: 667.000000, Wy: 0.000000},
+	"B":              {GlyphName: "B", Wx: 667.000000, Wy: 0.000000},
+	"C":              {GlyphName: "C", Wx: 722.000000, Wy: 0.000000},
+	"Cacute":         {GlyphName: "Cacute", Wx: 722.000000, Wy: 0.000000},
+	"Ccaron":         {GlyphName: "Ccaron", Wx: 722.000000, Wy: 0.000000},
+	"Ccedilla":       {GlyphName: "Ccedilla", Wx: 722.000000, Wy: 0.000000},
+	"D":              {GlyphName: "D", Wx: 722.000000, Wy: 0.000000},
+	"Dcaron":         {GlyphName: "Dcaron", Wx: 722.000000, Wy: 0.000000},
+	"Dcroat":         {GlyphName: "Dcroat", Wx: 722.000000, Wy: 0.000000},
+	"Delta":          {GlyphName: "Delta", Wx: 612.000000, Wy: 0.000000},
+	"E":              {GlyphName: "E", Wx: 667.000000, Wy: 0.000000},
+	"Eacute":         {GlyphName: "Eacute", Wx: 667.000000, Wy: 0.000000},
+	"Ecaron":         {GlyphName: "Ecaron", Wx: 667.000000, Wy: 0.000000},
+	"Ecircumflex":    {GlyphName: "Ecircumflex", Wx: 667.000000, Wy: 0.000000},
+	"Edieresis":      {GlyphName: "Edieresis", Wx: 667.000000, Wy: 0.000000},
+	"Edotaccent":     {GlyphName: "Edotaccent", Wx: 667.000000, Wy: 0.000000},
+	"Egrave":         {GlyphName: "Egrave", Wx: 667.000000, Wy: 0.000000},
+	"Emacron":        {GlyphName: "Emacron", Wx: 667.000000, Wy: 0.000000},
+	"Eogonek":        {GlyphName: "Eogonek", Wx: 667.000000, Wy: 0.000000},
+	"Eth":            {GlyphName: "Eth", Wx: 722.000000, Wy: 0.000000},
+	"Euro":           {GlyphName: "Euro", Wx: 556.000000, Wy: 0.000000},
+	"F":              {GlyphName: "F", Wx: 611.000000, Wy: 0.000000},
+	"G":              {GlyphName: "G", Wx: 778.000000, Wy: 0.000000},
+	"Gbreve":         {GlyphName: "Gbreve", Wx: 778.000000, Wy: 0.000000},
+	"Gcommaaccent":   {GlyphName: "Gcommaaccent", Wx: 778.000000, Wy: 0.000000},
+	"H":              {GlyphName: "H", Wx: 722.000000, Wy: 0.000000},
+	"I":              {GlyphName: "I", Wx: 278.000000, Wy: 0.000000},
+	"Iacute":         {GlyphName: "Iacute", Wx: 278.000000, Wy: 0.000000},
+	"Icircumflex":    {GlyphName: "Icircumflex", Wx: 278.000000, Wy: 0.000000},
+	"Idieresis":      {GlyphName: "Idieresis", Wx: 278.000000, Wy: 0.000000},
+	"Idotaccent":     {GlyphName: "Idotaccent", Wx: 278.000000, Wy: 0.000000},
+	"Igrave":         {GlyphName: "Igrave", Wx: 278.000000, Wy: 0.000000},
+	"Imacron":        {GlyphName: "Imacron", Wx: 278.000000, Wy: 0.000000},
+	"Iogonek":        {GlyphName: "Iogonek", Wx: 278.000000, Wy: 0.000000},
+	"J":              {GlyphName: "J", Wx: 500.000000, Wy: 0.000000},
+	"K":              {GlyphName: "K", Wx: 667.000000, Wy: 0.000000},
+	"Kcommaaccent":   {GlyphName: "Kcommaaccent", Wx: 667.000000, Wy: 0.000000},
+	"L":              {GlyphName: "L", Wx: 556.000000, Wy: 0.000000},
+	"Lacute":         {GlyphName: "Lacute", Wx: 556.000000, Wy: 0.000000},
+	"Lcaron":         {GlyphName: "Lcaron", Wx: 556.000000, Wy: 0.000000},
+	"Lcommaaccent":   {GlyphName: "Lcommaaccent", Wx: 556.000000, Wy: 0.000000},
+	"Lslash":         {GlyphName: "Lslash", Wx: 556.000000, Wy: 0.000000},
+	"M":              {GlyphName: "M", Wx: 833.000000, Wy: 0.000000},
+	"N":              {GlyphName: "N", Wx: 722.000000, Wy: 0.000000},
+	"Nacute":         {GlyphName: "Nacute", Wx: 722.000000, Wy: 0.000000},
+	"Ncaron":         {GlyphName: "Ncaron", Wx: 722.000000, Wy: 0.000000},
+	"Ncommaaccent":   {GlyphName: "Ncommaaccent", Wx: 722.000000, Wy: 0.000000},
+	"Ntilde":         {GlyphName: "Ntilde", Wx: 722.000000, Wy: 0.000000},
+	"O":              {GlyphName: "O", Wx: 778.000000, Wy: 0.000000},
+	"OE":             {GlyphName: "OE", Wx: 1000.000000, Wy: 0.000000},
+	"Oacute":         {GlyphName: "Oacute", Wx: 778.000000, Wy: 0.000000},
+	"Ocircumflex":    {GlyphName: "Ocircumflex", Wx: 778.000000, Wy: 0.000000},
+	"Odieresis":      {GlyphName: "Odieresis", Wx: 778.000000, Wy: 0.000000},
+	"Ograve":         {GlyphName: "Ograve", Wx: 778.000000, Wy: 0.000000},
+	"Ohungarumlaut":  {GlyphName: "Ohungarumlaut", Wx: 778.000000, Wy: 0.000000},
+	"Omacron":        {GlyphName: "Omacron", Wx: 778.000000, Wy: 0.000000},
+	"Oslash":         {GlyphName: "Oslash", Wx: 778.000000, Wy: 0.000000},
+	"Otilde":         {GlyphName: "Otilde", Wx: 778.000000, Wy: 0.000000},
+	"P":              {GlyphName: "P", Wx: 667.000000, Wy: 0.000000},
+	"Q":              {GlyphName: "Q", Wx: 778.000000, Wy: 0.000000},
+	"R":              {GlyphName: "R", Wx: 722.000000, Wy: 0.000000},
+	"Racute":         {GlyphName: "Racute", Wx: 722.000000, Wy: 0.000000},
+	"Rcaron":         {GlyphName: "Rcaron", Wx: 722.000000, Wy: 0.000000},
+	"Rcommaaccent":   {GlyphName: "Rcommaaccent", Wx: 722.000000, Wy: 0.000000},
+	"S":              {GlyphName: "S", Wx: 667.000000, Wy: 0.000000},
+	"Sacute":         {GlyphName: "Sacute", Wx: 667.000000, Wy: 0.000000},
+	"Scaron":         {GlyphName: "Scaron", Wx: 667.000000, Wy: 0.000000},
+	"Scedilla":       {GlyphName: "Scedilla", Wx: 667.000000, Wy: 0.000000},
+	"Scommaaccent":   {GlyphName: "Scommaaccent", Wx: 667.000000, Wy: 0.000000},
+	"T":              {GlyphName: "T", Wx: 611.000000, Wy: 0.000000},
+	"Tcaron":         {GlyphName: "Tcaron", Wx: 611.000000, Wy: 0.000000},
+	"Tcommaaccent":   {GlyphName: "Tcommaaccent", Wx: 611.000000, Wy: 0.000000},
+	"Thorn":          {GlyphName: "Thorn", Wx: 667.000000, Wy: 0.000000},
+	"U":              {GlyphName: "U", Wx: 722.000000, Wy: 0.000000},
+	"Uacute":         {GlyphName: "Uacute", Wx: 722.000000, Wy: 0.000000},
+	"Ucircumflex":    {GlyphName: "Ucircumflex", Wx: 722.000000, Wy: 0.000000},
+	"Udieresis":      {GlyphName: "Udieresis", Wx: 722.000000, Wy: 0.000000},
+	"Ugrave":         {GlyphName: "Ugrave", Wx: 722.000000, Wy: 0.000000},
+	"Uhungarumlaut":  {GlyphName: "Uhungarumlaut", Wx: 722.000000, Wy: 0.000000},
+	"Umacron":        {GlyphName: "Umacron", Wx: 722.000000, Wy: 0.000000},
+	"Uogonek":        {GlyphName: "Uogonek", Wx: 722.000000, Wy: 0.000000},
+	"Uring":          {GlyphName: "Uring", Wx: 722.000000, Wy: 0.000000},
+	"V":              {GlyphName: "V", Wx: 667.000000, Wy: 0.000000},
+	"W":              {GlyphName: "W", Wx: 944.000000, Wy: 0.000000},
+	"X":              {GlyphName: "X", Wx: 667.000000, Wy: 0.000000},
+	"Y":              {GlyphName: "Y", Wx: 667.000000, Wy: 0.000000},
+	"Yacute":         {GlyphName: "Yacute", Wx: 667.000000, Wy: 0.000000},
+	"Ydieresis":      {GlyphName: "Ydieresis", Wx: 667.000000, Wy: 0.000000},
+	"Z":              {GlyphName: "Z", Wx: 611.000000, Wy: 0.000000},
+	"Zacute":         {GlyphName: "Zacute", Wx: 611.000000, Wy: 0.000000},
+	"Zcaron":         {GlyphName: "Zcaron", Wx: 611.000000, Wy: 0.000000},
+	"Zdotaccent":     {GlyphName: "Zdotaccent", Wx: 611.000000, Wy: 0.000000},
+	"a":              {GlyphName: "a", Wx: 556.000000, Wy: 0.000000},
+	"aacute":         {GlyphName: "aacute", Wx: 556.000000, Wy: 0.000000},
+	"abreve":         {GlyphName: "abreve", Wx: 556.000000, Wy: 0.000000},
+	"acircumflex":    {GlyphName: "acircumflex", Wx: 556.000000, Wy: 0.000000},
+	"acute":          {GlyphName: "acute", Wx: 333.000000, Wy: 0.000000},
+	"adieresis":      {GlyphName: "adieresis", Wx: 556.000000, Wy: 0.000000},
+	"ae":             {GlyphName: "ae", Wx: 889.000000, Wy: 0.000000},
+	"agrave":         {GlyphName: "agrave", Wx: 556.000000, Wy: 0.000000},
+	"amacron":        {GlyphName: "amacron", Wx: 556.000000, Wy: 0.000000},
+	"ampersand":      {GlyphName: "ampersand", Wx: 667.000000, Wy: 0.000000},
+	"aogonek":        {GlyphName: "aogonek", Wx: 556.000000, Wy: 0.000000},
+	"aring":          {GlyphName: "aring", Wx: 556.000000, Wy: 0.000000},
+	"asciicircum":    {GlyphName: "asciicircum", Wx: 469.000000, Wy: 0.000000},
+	"asciitilde":     {GlyphName: "asciitilde", Wx: 584.000000, Wy: 0.000000},
+	"asterisk":       {GlyphName: "asterisk", Wx: 389.000000, Wy: 0.000000},
+	"at":             {GlyphName: "at", Wx: 1015.000000, Wy: 0.000000},
+	"atilde":         {GlyphName: "atilde", Wx: 556.000000, Wy: 0.000000},
+	"b":              {GlyphName: "b", Wx: 556.000000, Wy: 0.000000},
+	"backslash":      {GlyphName: "backslash", Wx: 278.000000, Wy: 0.000000},
+	"bar":            {GlyphName: "bar", Wx: 260.000000, Wy: 0.000000},
+	"braceleft":      {GlyphName: "braceleft", Wx: 334.000000, Wy: 0.000000},
+	"braceright":     {GlyphName: "braceright", Wx: 334.000000, Wy: 0.000000},
+	"bracketleft":    {GlyphName: "bracketleft", Wx: 278.000000, Wy: 0.000000},
+	"bracketright":   {GlyphName: "bracketright", Wx: 278.000000, Wy: 0.000000},
+	"breve":          {GlyphName: "breve", Wx: 333.000000, Wy: 0.000000},
+	"brokenbar":      {GlyphName: "brokenbar", Wx: 260.000000, Wy: 0.000000},
+	"bullet":         {GlyphName: "bullet", Wx: 350.000000, Wy: 0.000000},
+	"c":              {GlyphName: "c", Wx: 500.000000, Wy: 0.000000},
+	"cacute":         {GlyphName: "cacute", Wx: 500.000000, Wy: 0.000000},
+	"caron":          {GlyphName: "caron", Wx: 333.000000, Wy: 0.000000},
+	"ccaron":         {GlyphName: "ccaron", Wx: 500.000000, Wy: 0.000000},
+	"ccedilla":       {GlyphName: "ccedilla", Wx: 500.000000, Wy: 0.000000},
+	"cedilla":        {GlyphName: "cedilla", Wx: 333.000000, Wy: 0.000000},
+	"cent":           {GlyphName: "cent", Wx: 556.000000, Wy: 0.000000},
+	"circumflex":     {GlyphName: "circumflex", Wx: 333.000000, Wy: 0.000000},
+	"colon":          {GlyphName: "colon", Wx: 278.000000, Wy: 0.000000},
+	"comma":          {GlyphName: "comma", Wx: 278.000000, Wy: 0.000000},
+	"commaaccent":    {GlyphName: "commaaccent", Wx: 250.000000, Wy: 0.000000},
+	"copyright":      {GlyphName: "copyright", Wx: 737.000000, Wy: 0.000000},
+	"currency":       {GlyphName: "currency", Wx: 556.000000, Wy: 0.000000},
+	"d":              {GlyphName: "d", Wx: 556.000000, Wy: 0.000000},
+	"dagger":         {GlyphName: "dagger", Wx: 556.000000, Wy: 0.000000},
+	"daggerdbl":      {GlyphName: "daggerdbl", Wx: 556.000000, Wy: 0.000000},
+	"dcaron":         {GlyphName: "dcaron", Wx: 643.000000, Wy: 0.000000},
+	"dcroat":         {GlyphName: "dcroat", Wx: 556.000000, Wy: 0.000000},
+	"degree":         {GlyphName: "degree", Wx: 400.000000, Wy: 0.000000},
+	"dieresis":       {GlyphName: "dieresis", Wx: 333.000000, Wy: 0.000000},
+	"divide":         {GlyphName: "divide", Wx: 584.000000, Wy: 0.000000},
+	"dollar":         {GlyphName: "dollar", Wx: 556.000000, Wy: 0.000000},
+	"dotaccent":      {GlyphName: "dotaccent", Wx: 333.000000, Wy: 0.000000},
+	"dotlessi":       {GlyphName: "dotlessi", Wx: 278.000000, Wy: 0.000000},
+	"e":              {GlyphName: "e", Wx: 556.000000, Wy: 0.000000},
+	"eacute":         {GlyphName: "eacute", Wx: 556.000000, Wy: 0.000000},
+	"ecaron":         {GlyphName: "ecaron", Wx: 556.000000, Wy: 0.000000},
+	"ecircumflex":    {GlyphName: "ecircumflex", Wx: 556.000000, Wy: 0.000000},
+	"edieresis":      {GlyphName: "edieresis", Wx: 556.000000, Wy: 0.000000},
+	"edotaccent":     {GlyphName: "edotaccent", Wx: 556.000000, Wy: 0.000000},
+	"egrave":         {GlyphName: "egrave", Wx: 556.000000, Wy: 0.000000},
+	"eight":          {GlyphName: "eight", Wx: 556.000000, Wy: 0.000000},
+	"ellipsis":       {GlyphName: "ellipsis", Wx: 1000.000000, Wy: 0.000000},
+	"emacron":        {GlyphName: "emacron", Wx: 556.000000, Wy: 0.000000},
+	"emdash":         {GlyphName: "emdash", Wx: 1000.000000, Wy: 0.000000},
+	"endash":         {GlyphName: "endash", Wx: 556.000000, Wy: 0.000000},
+	"eogonek":        {GlyphName: "eogonek", Wx: 556.000000, Wy: 0.000000},
+	"equal":          {GlyphName: "equal", Wx: 584.000000, Wy: 0.000000},
+	"eth":            {GlyphName: "eth", Wx: 556.000000, Wy: 0.000000},
+	"exclam":         {GlyphName: "exclam", Wx: 278.000000, Wy: 0.000000},
+	"exclamdown":     {GlyphName: "exclamdown", Wx: 333.000000, Wy: 0.000000},
+	"f":              {GlyphName: "f", Wx: 278.000000, Wy: 0.000000},
+	"fi":             {GlyphName: "fi", Wx: 500.000000, Wy: 0.000000},
+	"five":           {GlyphName: "five", Wx: 556.000000, Wy: 0.000000},
+	"fl":             {GlyphName: "fl", Wx: 500.000000, Wy: 0.000000},
+	"florin":         {GlyphName: "florin", Wx: 556.000000, Wy: 0.000000},
+	"four":           {GlyphName: "four", Wx: 556.000000, Wy: 0.000000},
+	"fraction":       {GlyphName: "fraction", Wx: 167.000000, Wy: 0.000000},
+	"g":              {GlyphName: "g", Wx: 556.000000, Wy: 0.000000},
+	"gbreve":         {GlyphName: "gbreve", Wx: 556.000000, Wy: 0.000000},
+	"gcommaaccent":   {GlyphName: "gcommaaccent", Wx: 556.000000, Wy: 0.000000},
+	"germandbls":     {GlyphName: "germandbls", Wx: 611.000000, Wy: 0.000000},
+	"grave":          {GlyphName: "grave", Wx: 333.000000, Wy: 0.000000},
+	"greater":        {GlyphName: "greater", Wx: 584.000000, Wy: 0.000000},
+	"greaterequal":   {GlyphName: "greaterequal", Wx: 549.000000, Wy: 0.000000},
+	"guillemotleft":  {GlyphName: "guillemotleft", Wx: 556.000000, Wy: 0.000000},
+	"guillemotright": {GlyphName: "guillemotright", Wx: 556.000000, Wy: 0.000000},
+	"guilsinglleft":  {GlyphName: "guilsinglleft", Wx: 333.000000, Wy: 0.000000},
+	"guilsinglright": {GlyphName: "guilsinglright", Wx: 333.000000, Wy: 0.000000},
+	"h":              {GlyphName: "h", Wx: 556.000000, Wy: 0.000000},
+	"hungarumlaut":   {GlyphName: "hungarumlaut", Wx: 333.000000, Wy: 0.000000},
+	"hyphen":         {GlyphName: "hyphen", Wx: 333.000000, Wy: 0.000000},
+	"i":              {GlyphName: "i", Wx: 222.000000, Wy: 0.000000},
+	"iacute":         {GlyphName: "iacute", Wx: 278.000000, Wy: 0.000000},
+	"icircumflex":    {GlyphName: "icircumflex", Wx: 278.000000, Wy: 0.000000},
+	"idieresis":      {GlyphName: "idieresis", Wx: 278.000000, Wy: 0.000000},
+	"igrave":         {GlyphName: "igrave", Wx: 278.000000, Wy: 0.000000},
+	"imacron":        {GlyphName: "imacron", Wx: 278.000000, Wy: 0.000000},
+	"iogonek":        {GlyphName: "iogonek", Wx: 222.000000, Wy: 0.000000},
+	"j":              {GlyphName: "j", Wx: 222.000000, Wy: 0.000000},
+	"k":              {GlyphName: "k", Wx: 500.000000, Wy: 0.000000},
+	"kcommaaccent":   {GlyphName: "kcommaaccent", Wx: 500.000000, Wy: 0.000000},
+	"l":              {GlyphName: "l", Wx: 222.000000, Wy: 0.000000},
+	"lacute":         {GlyphName: "lacute", Wx: 222.000000, Wy: 0.000000},
+	"lcaron":         {GlyphName: "lcaron", Wx: 299.000000, Wy: 0.000000},
+	"lcommaaccent":   {GlyphName: "lcommaaccent", Wx: 222.000000, Wy: 0.000000},
+	"less":           {GlyphName: "less", Wx: 584.000000, Wy: 0.000000},
+	"lessequal":      {GlyphName: "lessequal", Wx: 549.000000, Wy: 0.000000},
+	"logicalnot":     {GlyphName: "logicalnot", Wx: 584.000000, Wy: 0.000000},
+	"lozenge":        {GlyphName: "lozenge", Wx: 471.000000, Wy: 0.000000},
+	"lslash":         {GlyphName: "lslash", Wx: 222.000000, Wy: 0.000000},
+	"m":              {GlyphName: "m", Wx: 833.000000, Wy: 0.000000},
+	"macron":         {GlyphName: "macron", Wx: 333.000000, Wy: 0.000000},
+	"minus":          {GlyphName: "minus", Wx: 584.000000, Wy: 0.000000},
+	"mu":             {GlyphName: "mu", Wx: 556.000000, Wy: 0.000000},
+	"multiply":       {GlyphName: "multiply", Wx: 584.000000, Wy: 0.000000},
+	"n":              {GlyphName: "n", Wx: 556.000000, Wy: 0.000000},
+	"nacute":         {GlyphName: "nacute", Wx: 556.000000, Wy: 0.000000},
+	"ncaron":         {GlyphName: "ncaron", Wx: 556.000000, Wy: 0.000000},
+	"ncommaaccent":   {GlyphName: "ncommaaccent", Wx: 556.000000, Wy: 0.000000},
+	"nine":           {GlyphName: "nine", Wx: 556.000000, Wy: 0.000000},
+	"notequal":       {GlyphName: "notequal", Wx: 549.000000, Wy: 0.000000},
+	"ntilde":         {GlyphName: "ntilde", Wx: 556.000000, Wy: 0.000000},
+	"numbersign":     {GlyphName: "numbersign", Wx: 556.000000, Wy: 0.000000},
+	"o":              {GlyphName: "o", Wx: 556.000000, Wy: 0.000000},
+	"oacute":         {GlyphName: "oacute", Wx: 556.000000, Wy: 0.000000},
+	"ocircumflex":    {GlyphName: "ocircumflex", Wx: 556.000000, Wy: 0.000000},
+	"odieresis":      {GlyphName: "odieresis", Wx: 556.000000, Wy: 0.000000},
+	"oe":             {GlyphName: "oe", Wx: 944.000000, Wy: 0.000000},
+	"ogonek":         {GlyphName: "ogonek", Wx: 333.000000, Wy: 0.000000},
+	"ograve":         {GlyphName: "ograve", Wx: 556.000000, Wy: 0.000000},
+	"ohungarumlaut":  {GlyphName: "ohungarumlaut", Wx: 556.000000, Wy: 0.000000},
+	"omacron":        {GlyphName: "omacron", Wx: 556.000000, Wy: 0.000000},
+	"one":            {GlyphName: "one", Wx: 556.000000, Wy: 0.000000},
+	"onehalf":        {GlyphName: "onehalf", Wx: 834.000000, Wy: 0.000000},
+	"onequarter":     {GlyphName: "onequarter", Wx: 834.000000, Wy: 0.000000},
+	"onesuperior":    {GlyphName: "onesuperior", Wx: 333.000000, Wy: 0.000000},
+	"ordfeminine":    {GlyphName: "ordfeminine", Wx: 370.000000, Wy: 0.000000},
+	"ordmasculine":   {GlyphName: "ordmasculine", Wx: 365.000000, Wy: 0.000000},
+	"oslash":         {GlyphName: "oslash", Wx: 611.000000, Wy: 0.000000},
+	"otilde":         {GlyphName: "otilde", Wx: 556.000000, Wy: 0.000000},
+	"p":              {GlyphName: "p", Wx: 556.000000, Wy: 0.000000},
+	"paragraph":      {GlyphName: "paragraph", Wx: 537.000000, Wy: 0.000000},
+	"parenleft":      {GlyphName: "parenleft", Wx: 333.000000, Wy: 0.000000},
+	"parenright":     {GlyphName: "parenright", Wx: 333.000000, Wy: 0.000000},
+	"partialdiff":    {GlyphName: "partialdiff", Wx: 476.000000, Wy: 0.000000},
+	"percent":        {GlyphName: "percent", Wx: 889.000000, Wy: 0.000000},
+	"period":         {GlyphName: "period", Wx: 278.000000, Wy: 0.000000},
+	"periodcentered": {GlyphName: "periodcentered", Wx: 278.000000, Wy: 0.000000},
+	"perthousand":    {GlyphName: "perthousand", Wx: 1000.000000, Wy: 0.000000},
+	"plus":           {GlyphName: "plus", Wx: 584.000000, Wy: 0.000000},
+	"plusminus":      {GlyphName: "plusminus", Wx: 584.000000, Wy: 0.000000},
+	"q":              {GlyphName: "q", Wx: 556.000000, Wy: 0.000000},
+	"question":       {GlyphName: "question", Wx: 556.000000, Wy: 0.000000},
+	"questiondown":   {GlyphName: "questiondown", Wx: 611.000000, Wy: 0.000000},
+	"quotedbl":       {GlyphName: "quotedbl", Wx: 355.000000, Wy: 0.000000},
+	"quotedblbase":   {GlyphName: "quotedblbase", Wx: 333.000000, Wy: 0.000000},
+	"quotedblleft":   {GlyphName: "quotedblleft", Wx: 333.000000, Wy: 0.000000},
+	"quotedblright":  {GlyphName: "quotedblright", Wx: 333.000000, Wy: 0.000000},
+	"quoteleft":      {GlyphName: "quoteleft", Wx: 222.000000, Wy: 0.000000},
+	"quoteright":     {GlyphName: "quoteright", Wx: 222.000000, Wy: 0.000000},
+	"quotesinglbase": {GlyphName: "quotesinglbase", Wx: 222.000000, Wy: 0.000000},
+	"quotesingle":    {GlyphName: "quotesingle", Wx: 191.000000, Wy: 0.000000},
+	"r":              {GlyphName: "r", Wx: 333.000000, Wy: 0.000000},
+	"racute":         {GlyphName: "racute", Wx: 333.000000, Wy: 0.000000},
+	"radical":        {GlyphName: "radical", Wx: 453.000000, Wy: 0.000000},
+	"rcaron":         {GlyphName: "rcaron", Wx: 333.000000, Wy: 0.000000},
+	"rcommaaccent":   {GlyphName: "rcommaaccent", Wx: 333.000000, Wy: 0.000000},
+	"registered":     {GlyphName: "registered", Wx: 737.000000, Wy: 0.000000},
+	"ring":           {GlyphName: "ring", Wx: 333.000000, Wy: 0.000000},
+	"s":              {GlyphName: "s", Wx: 500.000000, Wy: 0.000000},
+	"sacute":         {GlyphName: "sacute", Wx: 500.000000, Wy: 0.000000},
+	"scaron":         {GlyphName: "scaron", Wx: 500.000000, Wy: 0.000000},
+	"scedilla":       {GlyphName: "scedilla", Wx: 500.000000, Wy: 0.000000},
+	"scommaaccent":   {GlyphName: "scommaaccent", Wx: 500.000000, Wy: 0.000000},
+	"section":        {GlyphName: "section", Wx: 556.000000, Wy: 0.000000},
+	"semicolon":      {GlyphName: "semicolon", Wx: 278.000000, Wy: 0.000000},
+	"seven":          {GlyphName: "seven", Wx: 556.000000, Wy: 0.000000},
+	"six":            {GlyphName: "six", Wx: 556.000000, Wy: 0.000000},
+	"slash":          {GlyphName: "slash", Wx: 278.000000, Wy: 0.000000},
+	"space":          {GlyphName: "space", Wx: 278.000000, Wy: 0.000000},
+	"sterling":       {GlyphName: "sterling", Wx: 556.000000, Wy: 0.000000},
+	"summation":      {GlyphName: "summation", Wx: 600.000000, Wy: 0.000000},
+	"t":              {GlyphName: "t", Wx: 278.000000, Wy: 0.000000},
+	"tcaron":         {GlyphName: "tcaron", Wx: 317.000000, Wy: 0.000000},
+	"tcommaaccent":   {GlyphName: "tcommaaccent", Wx: 278.000000, Wy: 0.000000},
+	"thorn":          {GlyphName: "thorn", Wx: 556.000000, Wy: 0.000000},
+	"three":          {GlyphName: "three", Wx: 556.000000, Wy: 0.000000},
+	"threequarters":  {GlyphName: "threequarters", Wx: 834.000000, Wy: 0.000000},
+	"threesuperior":  {GlyphName: "threesuperior", Wx: 333.000000, Wy: 0.000000},
+	"tilde":          {GlyphName: "tilde", Wx: 333.000000, Wy: 0.000000},
+	"trademark":      {GlyphName: "trademark", Wx: 1000.000000, Wy: 0.000000},
+	"two":            {GlyphName: "two", Wx: 556.000000, Wy: 0.000000},
+	"twosuperior":    {GlyphName: "twosuperior", Wx: 333.000000, Wy: 0.000000},
+	"u":              {GlyphName: "u", Wx: 556.000000, Wy: 0.000000},
+	"uacute":         {GlyphName: "uacute", Wx: 556.000000, Wy: 0.000000},
+	"ucircumflex":    {GlyphName: "ucircumflex", Wx: 556.000000, Wy: 0.000000},
+	"udieresis":      {GlyphName: "udieresis", Wx: 556.000000, Wy: 0.000000},
+	"ugrave":         {GlyphName: "ugrave", Wx: 556.000000, Wy: 0.000000},
+	"uhungarumlaut":  {GlyphName: "uhungarumlaut", Wx: 556.000000, Wy: 0.000000},
+	"umacron":        {GlyphName: "umacron", Wx: 556.000000, Wy: 0.000000},
+	"underscore":     {GlyphName: "underscore", Wx: 556.000000, Wy: 0.000000},
+	"uogonek":        {GlyphName: "uogonek", Wx: 556.000000, Wy: 0.000000},
+	"uring":          {GlyphName: "uring", Wx: 556.000000, Wy: 0.000000},
+	"v":              {GlyphName: "v", Wx: 500.000000, Wy: 0.000000},
+	"w":              {GlyphName: "w", Wx: 722.000000, Wy: 0.000000},
+	"x":              {GlyphName: "x", Wx: 500.000000, Wy: 0.000000},
+	"y":              {GlyphName: "y", Wx: 500.000000, Wy: 0.000000},
+	"yacute":         {GlyphName: "yacute", Wx: 500.000000, Wy: 0.000000},
+	"ydieresis":      {GlyphName: "ydieresis", Wx: 500.000000, Wy: 0.000000},
+	"yen":            {GlyphName: "yen", Wx: 556.000000, Wy: 0.000000},
+	"z":              {GlyphName: "z", Wx: 500.000000, Wy: 0.000000},
+	"zacute":         {GlyphName: "zacute", Wx: 500.000000, Wy: 0.000000},
+	"zcaron":         {GlyphName: "zcaron", Wx: 500.000000, Wy: 0.000000},
+	"zdotaccent":     {GlyphName: "zdotaccent", Wx: 500.000000, Wy: 0.000000},
+	"zero":           {GlyphName: "zero", Wx: 556.000000, Wy: 0.000000},
+}

internal/pdf/model/fonts/helvetica_bold.go

@@ -0,0 +1,362 @@
+package fonts
+
+import (
+	"gitea.tecamino.com/paadi/pdfmerge/internal/pdf/core"
+	"gitea.tecamino.com/paadi/pdfmerge/internal/pdf/model/textencoding"
+)
+
+// Font Helvetica-Bold.  Implements Font interface.
+// This is a built-in font and it is assumed that every reader has access to it.
+type fontHelveticaBold struct {
+	encoder textencoding.TextEncoder
+}
+
+func NewFontHelveticaBold() fontHelveticaBold {
+	font := fontHelveticaBold{}
+	font.encoder = textencoding.NewWinAnsiTextEncoder() // Default
+	return font
+}
+
+func (font fontHelveticaBold) SetEncoder(encoder textencoding.TextEncoder) {
+	font.encoder = encoder
+}
+
+func (font fontHelveticaBold) GetGlyphCharMetrics(glyph string) (CharMetrics, bool) {
+	metrics, has := helveticaBoldCharMetrics[glyph]
+	if !has {
+		return metrics, false
+	}
+
+	return metrics, true
+}
+
+func (font fontHelveticaBold) ToPdfObject() core.PdfObject {
+	obj := &core.PdfIndirectObject{}
+
+	fontDict := core.MakeDict()
+	fontDict.Set("Type", core.MakeName("Font"))
+	fontDict.Set("Subtype", core.MakeName("Type1"))
+	fontDict.Set("BaseFont", core.MakeName("Helvetica-Bold"))
+	fontDict.Set("Encoding", font.encoder.ToPdfObject())
+
+	obj.PdfObject = fontDict
+	return obj
+}
+
+var helveticaBoldCharMetrics map[string]CharMetrics = map[string]CharMetrics{
+	"A":              {GlyphName: "A", Wx: 722.000000, Wy: 0.000000},
+	"AE":             {GlyphName: "AE", Wx: 1000.000000, Wy: 0.000000},
+	"Aacute":         {GlyphName: "Aacute", Wx: 722.000000, Wy: 0.000000},
+	"Abreve":         {GlyphName: "Abreve", Wx: 722.000000, Wy: 0.000000},
+	"Acircumflex":    {GlyphName: "Acircumflex", Wx: 722.000000, Wy: 0.000000},
+	"Adieresis":      {GlyphName: "Adieresis", Wx: 722.000000, Wy: 0.000000},
+	"Agrave":         {GlyphName: "Agrave", Wx: 722.000000, Wy: 0.000000},
+	"Amacron":        {GlyphName: "Amacron", Wx: 722.000000, Wy: 0.000000},
+	"Aogonek":        {GlyphName: "Aogonek", Wx: 722.000000, Wy: 0.000000},
+	"Aring":          {GlyphName: "Aring", Wx: 722.000000, Wy: 0.000000},
+	"Atilde":         {GlyphName: "Atilde", Wx: 722.000000, Wy: 0.000000},
+	"B":              {GlyphName: "B", Wx: 722.000000, Wy: 0.000000},
+	"C":              {GlyphName: "C", Wx: 722.000000, Wy: 0.000000},
+	"Cacute":         {GlyphName: "Cacute", Wx: 722.000000, Wy: 0.000000},
+	"Ccaron":         {GlyphName: "Ccaron", Wx: 722.000000, Wy: 0.000000},
+	"Ccedilla":       {GlyphName: "Ccedilla", Wx: 722.000000, Wy: 0.000000},
+	"D":              {GlyphName: "D", Wx: 722.000000, Wy: 0.000000},
+	"Dcaron":         {GlyphName: "Dcaron", Wx: 722.000000, Wy: 0.000000},
+	"Dcroat":         {GlyphName: "Dcroat", Wx: 722.000000, Wy: 0.000000},
+	"Delta":          {GlyphName: "Delta", Wx: 612.000000, Wy: 0.000000},
+	"E":              {GlyphName: "E", Wx: 667.000000, Wy: 0.000000},
+	"Eacute":         {GlyphName: "Eacute", Wx: 667.000000, Wy: 0.000000},
+	"Ecaron":         {GlyphName: "Ecaron", Wx: 667.000000, Wy: 0.000000},
+	"Ecircumflex":    {GlyphName: "Ecircumflex", Wx: 667.000000, Wy: 0.000000},
+	"Edieresis":      {GlyphName: "Edieresis", Wx: 667.000000, Wy: 0.000000},
+	"Edotaccent":     {GlyphName: "Edotaccent", Wx: 667.000000, Wy: 0.000000},
+	"Egrave":         {GlyphName: "Egrave", Wx: 667.000000, Wy: 0.000000},
+	"Emacron":        {GlyphName: "Emacron", Wx: 667.000000, Wy: 0.000000},
+	"Eogonek":        {GlyphName: "Eogonek", Wx: 667.000000, Wy: 0.000000},
+	"Eth":            {GlyphName: "Eth", Wx: 722.000000, Wy: 0.000000},
+	"Euro":           {GlyphName: "Euro", Wx: 556.000000, Wy: 0.000000},
+	"F":              {GlyphName: "F", Wx: 611.000000, Wy: 0.000000},
+	"G":              {GlyphName: "G", Wx: 778.000000, Wy: 0.000000},
+	"Gbreve":         {GlyphName: "Gbreve", Wx: 778.000000, Wy: 0.000000},
+	"Gcommaaccent":   {GlyphName: "Gcommaaccent", Wx: 778.000000, Wy: 0.000000},
+	"H":              {GlyphName: "H", Wx: 722.000000, Wy: 0.000000},
+	"I":              {GlyphName: "I", Wx: 278.000000, Wy: 0.000000},
+	"Iacute":         {GlyphName: "Iacute", Wx: 278.000000, Wy: 0.000000},
+	"Icircumflex":    {GlyphName: "Icircumflex", Wx: 278.000000, Wy: 0.000000},
+	"Idieresis":      {GlyphName: "Idieresis", Wx: 278.000000, Wy: 0.000000},
+	"Idotaccent":     {GlyphName: "Idotaccent", Wx: 278.000000, Wy: 0.000000},
+	"Igrave":         {GlyphName: "Igrave", Wx: 278.000000, Wy: 0.000000},
+	"Imacron":        {GlyphName: "Imacron", Wx: 278.000000, Wy: 0.000000},
+	"Iogonek":        {GlyphName: "Iogonek", Wx: 278.000000, Wy: 0.000000},
+	"J":              {GlyphName: "J", Wx: 556.000000, Wy: 0.000000},
+	"K":              {GlyphName: "K", Wx: 722.000000, Wy: 0.000000},
+	"Kcommaaccent":   {GlyphName: "Kcommaaccent", Wx: 722.000000, Wy: 0.000000},
+	"L":              {GlyphName: "L", Wx: 611.000000, Wy: 0.000000},
+	"Lacute":         {GlyphName: "Lacute", Wx: 611.000000, Wy: 0.000000},
+	"Lcaron":         {GlyphName: "Lcaron", Wx: 611.000000, Wy: 0.000000},
+	"Lcommaaccent":   {GlyphName: "Lcommaaccent", Wx: 611.000000, Wy: 0.000000},
+	"Lslash":         {GlyphName: "Lslash", Wx: 611.000000, Wy: 0.000000},
+	"M":              {GlyphName: "M", Wx: 833.000000, Wy: 0.000000},
+	"N":              {GlyphName: "N", Wx: 722.000000, Wy: 0.000000},
+	"Nacute":         {GlyphName: "Nacute", Wx: 722.000000, Wy: 0.000000},
+	"Ncaron":         {GlyphName: "Ncaron", Wx: 722.000000, Wy: 0.000000},
+	"Ncommaaccent":   {GlyphName: "Ncommaaccent", Wx: 722.000000, Wy: 0.000000},
+	"Ntilde":         {GlyphName: "Ntilde", Wx: 722.000000, Wy: 0.000000},
+	"O":              {GlyphName: "O", Wx: 778.000000, Wy: 0.000000},
+	"OE":             {GlyphName: "OE", Wx: 1000.000000, Wy: 0.000000},
+	"Oacute":         {GlyphName: "Oacute", Wx: 778.000000, Wy: 0.000000},
+	"Ocircumflex":    {GlyphName: "Ocircumflex", Wx: 778.000000, Wy: 0.000000},
+	"Odieresis":      {GlyphName: "Odieresis", Wx: 778.000000, Wy: 0.000000},
+	"Ograve":         {GlyphName: "Ograve", Wx: 778.000000, Wy: 0.000000},
+	"Ohungarumlaut":  {GlyphName: "Ohungarumlaut", Wx: 778.000000, Wy: 0.000000},
+	"Omacron":        {GlyphName: "Omacron", Wx: 778.000000, Wy: 0.000000},
+	"Oslash":         {GlyphName: "Oslash", Wx: 778.000000, Wy: 0.000000},
+	"Otilde":         {GlyphName: "Otilde", Wx: 778.000000, Wy: 0.000000},
+	"P":              {GlyphName: "P", Wx: 667.000000, Wy: 0.000000},
+	"Q":              {GlyphName: "Q", Wx: 778.000000, Wy: 0.000000},
+	"R":              {GlyphName: "R", Wx: 722.000000, Wy: 0.000000},
+	"Racute":         {GlyphName: "Racute", Wx: 722.000000, Wy: 0.000000},
+	"Rcaron":         {GlyphName: "Rcaron", Wx: 722.000000, Wy: 0.000000},
+	"Rcommaaccent":   {GlyphName: "Rcommaaccent", Wx: 722.000000, Wy: 0.000000},
+	"S":              {GlyphName: "S", Wx: 667.000000, Wy: 0.000000},
+	"Sacute":         {GlyphName: "Sacute", Wx: 667.000000, Wy: 0.000000},
+	"Scaron":         {GlyphName: "Scaron", Wx: 667.000000, Wy: 0.000000},
+	"Scedilla":       {GlyphName: "Scedilla", Wx: 667.000000, Wy: 0.000000},
+	"Scommaaccent":   {GlyphName: "Scommaaccent", Wx: 667.000000, Wy: 0.000000},
+	"T":              {GlyphName: "T", Wx: 611.000000, Wy: 0.000000},
+	"Tcaron":         {GlyphName: "Tcaron", Wx: 611.000000, Wy: 0.000000},
+	"Tcommaaccent":   {GlyphName: "Tcommaaccent", Wx: 611.000000, Wy: 0.000000},
+	"Thorn":          {GlyphName: "Thorn", Wx: 667.000000, Wy: 0.000000},
+	"U":              {GlyphName: "U", Wx: 722.000000, Wy: 0.000000},
+	"Uacute":         {GlyphName: "Uacute", Wx: 722.000000, Wy: 0.000000},
+	"Ucircumflex":    {GlyphName: "Ucircumflex", Wx: 722.000000, Wy: 0.000000},
+	"Udieresis":      {GlyphName: "Udieresis", Wx: 722.000000, Wy: 0.000000},
+	"Ugrave":         {GlyphName: "Ugrave", Wx: 722.000000, Wy: 0.000000},
+	"Uhungarumlaut":  {GlyphName: "Uhungarumlaut", Wx: 722.000000, Wy: 0.000000},
+	"Umacron":        {GlyphName: "Umacron", Wx: 722.000000, Wy: 0.000000},
+	"Uogonek":        {GlyphName: "Uogonek", Wx: 722.000000, Wy: 0.000000},
+	"Uring":          {GlyphName: "Uring", Wx: 722.000000, Wy: 0.000000},
+	"V":              {GlyphName: "V", Wx: 667.000000, Wy: 0.000000},
+	"W":              {GlyphName: "W", Wx: 944.000000, Wy: 0.000000},
+	"X":              {GlyphName: "X", Wx: 667.000000, Wy: 0.000000},
+	"Y":              {GlyphName: "Y", Wx: 667.000000, Wy: 0.000000},
+	"Yacute":         {GlyphName: "Yacute", Wx: 667.000000, Wy: 0.000000},
+	"Ydieresis":      {GlyphName: "Ydieresis", Wx: 667.000000, Wy: 0.000000},
+	"Z":              {GlyphName: "Z", Wx: 611.000000, Wy: 0.000000},
+	"Zacute":         {GlyphName: "Zacute", Wx: 611.000000, Wy: 0.000000},
+	"Zcaron":         {GlyphName: "Zcaron", Wx: 611.000000, Wy: 0.000000},
+	"Zdotaccent":     {GlyphName: "Zdotaccent", Wx: 611.000000, Wy: 0.000000},
+	"a":              {GlyphName: "a", Wx: 556.000000, Wy: 0.000000},
+	"aacute":         {GlyphName: "aacute", Wx: 556.000000, Wy: 0.000000},
+	"abreve":         {GlyphName: "abreve", Wx: 556.000000, Wy: 0.000000},
+	"acircumflex":    {GlyphName: "acircumflex", Wx: 556.000000, Wy: 0.000000},
+	"acute":          {GlyphName: "acute", Wx: 333.000000, Wy: 0.000000},
+	"adieresis":      {GlyphName: "adieresis", Wx: 556.000000, Wy: 0.000000},
+	"ae":             {GlyphName: "ae", Wx: 889.000000, Wy: 0.000000},
+	"agrave":         {GlyphName: "agrave", Wx: 556.000000, Wy: 0.000000},
+	"amacron":        {GlyphName: "amacron", Wx: 556.000000, Wy: 0.000000},
+	"ampersand":      {GlyphName: "ampersand", Wx: 722.000000, Wy: 0.000000},
+	"aogonek":        {GlyphName: "aogonek", Wx: 556.000000, Wy: 0.000000},
+	"aring":          {GlyphName: "aring", Wx: 556.000000, Wy: 0.000000},
+	"asciicircum":    {GlyphName: "asciicircum", Wx: 584.000000, Wy: 0.000000},
+	"asciitilde":     {GlyphName: "asciitilde", Wx: 584.000000, Wy: 0.000000},
+	"asterisk":       {GlyphName: "asterisk", Wx: 389.000000, Wy: 0.000000},
+	"at":             {GlyphName: "at", Wx: 975.000000, Wy: 0.000000},
+	"atilde":         {GlyphName: "atilde", Wx: 556.000000, Wy: 0.000000},
+	"b":              {GlyphName: "b", Wx: 611.000000, Wy: 0.000000},
+	"backslash":      {GlyphName: "backslash", Wx: 278.000000, Wy: 0.000000},
+	"bar":            {GlyphName: "bar", Wx: 280.000000, Wy: 0.000000},
+	"braceleft":      {GlyphName: "braceleft", Wx: 389.000000, Wy: 0.000000},
+	"braceright":     {GlyphName: "braceright", Wx: 389.000000, Wy: 0.000000},
+	"bracketleft":    {GlyphName: "bracketleft", Wx: 333.000000, Wy: 0.000000},
+	"bracketright":   {GlyphName: "bracketright", Wx: 333.000000, Wy: 0.000000},
+	"breve":          {GlyphName: "breve", Wx: 333.000000, Wy: 0.000000},
+	"brokenbar":      {GlyphName: "brokenbar", Wx: 280.000000, Wy: 0.000000},
+	"bullet":         {GlyphName: "bullet", Wx: 350.000000, Wy: 0.000000},
+	"c":              {GlyphName: "c", Wx: 556.000000, Wy: 0.000000},
+	"cacute":         {GlyphName: "cacute", Wx: 556.000000, Wy: 0.000000},
+	"caron":          {GlyphName: "caron", Wx: 333.000000, Wy: 0.000000},
+	"ccaron":         {GlyphName: "ccaron", Wx: 556.000000, Wy: 0.000000},
+	"ccedilla":       {GlyphName: "ccedilla", Wx: 556.000000, Wy: 0.000000},
+	"cedilla":        {GlyphName: "cedilla", Wx: 333.000000, Wy: 0.000000},
+	"cent":           {GlyphName: "cent", Wx: 556.000000, Wy: 0.000000},
+	"circumflex":     {GlyphName: "circumflex", Wx: 333.000000, Wy: 0.000000},
+	"colon":          {GlyphName: "colon", Wx: 333.000000, Wy: 0.000000},
+	"comma":          {GlyphName: "comma", Wx: 278.000000, Wy: 0.000000},
+	"commaaccent":    {GlyphName: "commaaccent", Wx: 250.000000, Wy: 0.000000},
+	"copyright":      {GlyphName: "copyright", Wx: 737.000000, Wy: 0.000000},
+	"currency":       {GlyphName: "currency", Wx: 556.000000, Wy: 0.000000},
+	"d":              {GlyphName: "d", Wx: 611.000000, Wy: 0.000000},
+	"dagger":         {GlyphName: "dagger", Wx: 556.000000, Wy: 0.000000},
+	"daggerdbl":      {GlyphName: "daggerdbl", Wx: 556.000000, Wy: 0.000000},
+	"dcaron":         {GlyphName: "dcaron", Wx: 743.000000, Wy: 0.000000},
+	"dcroat":         {GlyphName: "dcroat", Wx: 611.000000, Wy: 0.000000},
+	"degree":         {GlyphName: "degree", Wx: 400.000000, Wy: 0.000000},
+	"dieresis":       {GlyphName: "dieresis", Wx: 333.000000, Wy: 0.000000},
+	"divide":         {GlyphName: "divide", Wx: 584.000000, Wy: 0.000000},
+	"dollar":         {GlyphName: "dollar", Wx: 556.000000, Wy: 0.000000},
+	"dotaccent":      {GlyphName: "dotaccent", Wx: 333.000000, Wy: 0.000000},
+	"dotlessi":       {GlyphName: "dotlessi", Wx: 278.000000, Wy: 0.000000},
+	"e":              {GlyphName: "e", Wx: 556.000000, Wy: 0.000000},
+	"eacute":         {GlyphName: "eacute", Wx: 556.000000, Wy: 0.000000},
+	"ecaron":         {GlyphName: "ecaron", Wx: 556.000000, Wy: 0.000000},
+	"ecircumflex":    {GlyphName: "ecircumflex", Wx: 556.000000, Wy: 0.000000},
+	"edieresis":      {GlyphName: "edieresis", Wx: 556.000000, Wy: 0.000000},
+	"edotaccent":     {GlyphName: "edotaccent", Wx: 556.000000, Wy: 0.000000},
+	"egrave":         {GlyphName: "egrave", Wx: 556.000000, Wy: 0.000000},
+	"eight":          {GlyphName: "eight", Wx: 556.000000, Wy: 0.000000},
+	"ellipsis":       {GlyphName: "ellipsis", Wx: 1000.000000, Wy: 0.000000},
+	"emacron":        {GlyphName: "emacron", Wx: 556.000000, Wy: 0.000000},
+	"emdash":         {GlyphName: "emdash", Wx: 1000.000000, Wy: 0.000000},
+	"endash":         {GlyphName: "endash", Wx: 556.000000, Wy: 0.000000},
+	"eogonek":        {GlyphName: "eogonek", Wx: 556.000000, Wy: 0.000000},
+	"equal":          {GlyphName: "equal", Wx: 584.000000, Wy: 0.000000},
+	"eth":            {GlyphName: "eth", Wx: 611.000000, Wy: 0.000000},
+	"exclam":         {GlyphName: "exclam", Wx: 333.000000, Wy: 0.000000},
+	"exclamdown":     {GlyphName: "exclamdown", Wx: 333.000000, Wy: 0.000000},
+	"f":              {GlyphName: "f", Wx: 333.000000, Wy: 0.000000},
+	"fi":             {GlyphName: "fi", Wx: 611.000000, Wy: 0.000000},
+	"five":           {GlyphName: "five", Wx: 556.000000, Wy: 0.000000},
+	"fl":             {GlyphName: "fl", Wx: 611.000000, Wy: 0.000000},
+	"florin":         {GlyphName: "florin", Wx: 556.000000, Wy: 0.000000},
+	"four":           {GlyphName: "four", Wx: 556.000000, Wy: 0.000000},
+	"fraction":       {GlyphName: "fraction", Wx: 167.000000, Wy: 0.000000},
+	"g":              {GlyphName: "g", Wx: 611.000000, Wy: 0.000000},
+	"gbreve":         {GlyphName: "gbreve", Wx: 611.000000, Wy: 0.000000},
+	"gcommaaccent":   {GlyphName: "gcommaaccent", Wx: 611.000000, Wy: 0.000000},
+	"germandbls":     {GlyphName: "germandbls", Wx: 611.000000, Wy: 0.000000},
+	"grave":          {GlyphName: "grave", Wx: 333.000000, Wy: 0.000000},
+	"greater":        {GlyphName: "greater", Wx: 584.000000, Wy: 0.000000},
+	"greaterequal":   {GlyphName: "greaterequal", Wx: 549.000000, Wy: 0.000000},
+	"guillemotleft":  {GlyphName: "guillemotleft", Wx: 556.000000, Wy: 0.000000},
+	"guillemotright": {GlyphName: "guillemotright", Wx: 556.000000, Wy: 0.000000},
+	"guilsinglleft":  {GlyphName: "guilsinglleft", Wx: 333.000000, Wy: 0.000000},
+	"guilsinglright": {GlyphName: "guilsinglright", Wx: 333.000000, Wy: 0.000000},
+	"h":              {GlyphName: "h", Wx: 611.000000, Wy: 0.000000},
+	"hungarumlaut":   {GlyphName: "hungarumlaut", Wx: 333.000000, Wy: 0.000000},
+	"hyphen":         {GlyphName: "hyphen", Wx: 333.000000, Wy: 0.000000},
+	"i":              {GlyphName: "i", Wx: 278.000000, Wy: 0.000000},
+	"iacute":         {GlyphName: "iacute", Wx: 278.000000, Wy: 0.000000},
+	"icircumflex":    {GlyphName: "icircumflex", Wx: 278.000000, Wy: 0.000000},
+	"idieresis":      {GlyphName: "idieresis", Wx: 278.000000, Wy: 0.000000},
+	"igrave":         {GlyphName: "igrave", Wx: 278.000000, Wy: 0.000000},
+	"imacron":        {GlyphName: "imacron", Wx: 278.000000, Wy: 0.000000},
+	"iogonek":        {GlyphName: "iogonek", Wx: 278.000000, Wy: 0.000000},
+	"j":              {GlyphName: "j", Wx: 278.000000, Wy: 0.000000},
+	"k":              {GlyphName: "k", Wx: 556.000000, Wy: 0.000000},
+	"kcommaaccent":   {GlyphName: "kcommaaccent", Wx: 556.000000, Wy: 0.000000},
+	"l":              {GlyphName: "l", Wx: 278.000000, Wy: 0.000000},
+	"lacute":         {GlyphName: "lacute", Wx: 278.000000, Wy: 0.000000},
+	"lcaron":         {GlyphName: "lcaron", Wx: 400.000000, Wy: 0.000000},
+	"lcommaaccent":   {GlyphName: "lcommaaccent", Wx: 278.000000, Wy: 0.000000},
+	"less":           {GlyphName: "less", Wx: 584.000000, Wy: 0.000000},
+	"lessequal":      {GlyphName: "lessequal", Wx: 549.000000, Wy: 0.000000},
+	"logicalnot":     {GlyphName: "logicalnot", Wx: 584.000000, Wy: 0.000000},
+	"lozenge":        {GlyphName: "lozenge", Wx: 494.000000, Wy: 0.000000},
+	"lslash":         {GlyphName: "lslash", Wx: 278.000000, Wy: 0.000000},
+	"m":              {GlyphName: "m", Wx: 889.000000, Wy: 0.000000},
+	"macron":         {GlyphName: "macron", Wx: 333.000000, Wy: 0.000000},
+	"minus":          {GlyphName: "minus", Wx: 584.000000, Wy: 0.000000},
+	"mu":             {GlyphName: "mu", Wx: 611.000000, Wy: 0.000000},
+	"multiply":       {GlyphName: "multiply", Wx: 584.000000, Wy: 0.000000},
+	"n":              {GlyphName: "n", Wx: 611.000000, Wy: 0.000000},
+	"nacute":         {GlyphName: "nacute", Wx: 611.000000, Wy: 0.000000},
+	"ncaron":         {GlyphName: "ncaron", Wx: 611.000000, Wy: 0.000000},
+	"ncommaaccent":   {GlyphName: "ncommaaccent", Wx: 611.000000, Wy: 0.000000},
+	"nine":           {GlyphName: "nine", Wx: 556.000000, Wy: 0.000000},
+	"notequal":       {GlyphName: "notequal", Wx: 549.000000, Wy: 0.000000},
+	"ntilde":         {GlyphName: "ntilde", Wx: 611.000000, Wy: 0.000000},
+	"numbersign":     {GlyphName: "numbersign", Wx: 556.000000, Wy: 0.000000},
+	"o":              {GlyphName: "o", Wx: 611.000000, Wy: 0.000000},
+	"oacute":         {GlyphName: "oacute", Wx: 611.000000, Wy: 0.000000},
+	"ocircumflex":    {GlyphName: "ocircumflex", Wx: 611.000000, Wy: 0.000000},
+	"odieresis":      {GlyphName: "odieresis", Wx: 611.000000, Wy: 0.000000},
+	"oe":             {GlyphName: "oe", Wx: 944.000000, Wy: 0.000000},
+	"ogonek":         {GlyphName: "ogonek", Wx: 333.000000, Wy: 0.000000},
+	"ograve":         {GlyphName: "ograve", Wx: 611.000000, Wy: 0.000000},
+	"ohungarumlaut":  {GlyphName: "ohungarumlaut", Wx: 611.000000, Wy: 0.000000},
+	"omacron":        {GlyphName: "omacron", Wx: 611.000000, Wy: 0.000000},
+	"one":            {GlyphName: "one", Wx: 556.000000, Wy: 0.000000},
+	"onehalf":        {GlyphName: "onehalf", Wx: 834.000000, Wy: 0.000000},
+	"onequarter":     {GlyphName: "onequarter", Wx: 834.000000, Wy: 0.000000},
+	"onesuperior":    {GlyphName: "onesuperior", Wx: 333.000000, Wy: 0.000000},
+	"ordfeminine":    {GlyphName: "ordfeminine", Wx: 370.000000, Wy: 0.000000},
+	"ordmasculine":   {GlyphName: "ordmasculine", Wx: 365.000000, Wy: 0.000000},
+	"oslash":         {GlyphName: "oslash", Wx: 611.000000, Wy: 0.000000},
+	"otilde":         {GlyphName: "otilde", Wx: 611.000000, Wy: 0.000000},
+	"p":              {GlyphName: "p", Wx: 611.000000, Wy: 0.000000},
+	"paragraph":      {GlyphName: "paragraph", Wx: 556.000000, Wy: 0.000000},
+	"parenleft":      {GlyphName: "parenleft", Wx: 333.000000, Wy: 0.000000},
+	"parenright":     {GlyphName: "parenright", Wx: 333.000000, Wy: 0.000000},
+	"partialdiff":    {GlyphName: "partialdiff", Wx: 494.000000, Wy: 0.000000},
+	"percent":        {GlyphName: "percent", Wx: 889.000000, Wy: 0.000000},
+	"period":         {GlyphName: "period", Wx: 278.000000, Wy: 0.000000},
+	"periodcentered": {GlyphName: "periodcentered", Wx: 278.000000, Wy: 0.000000},
+	"perthousand":    {GlyphName: "perthousand", Wx: 1000.000000, Wy: 0.000000},
+	"plus":           {GlyphName: "plus", Wx: 584.000000, Wy: 0.000000},
+	"plusminus":      {GlyphName: "plusminus", Wx: 584.000000, Wy: 0.000000},
+	"q":              {GlyphName: "q", Wx: 611.000000, Wy: 0.000000},
+	"question":       {GlyphName: "question", Wx: 611.000000, Wy: 0.000000},
+	"questiondown":   {GlyphName: "questiondown", Wx: 611.000000, Wy: 0.000000},
+	"quotedbl":       {GlyphName: "quotedbl", Wx: 474.000000, Wy: 0.000000},
+	"quotedblbase":   {GlyphName: "quotedblbase", Wx: 500.000000, Wy: 0.000000},
+	"quotedblleft":   {GlyphName: "quotedblleft", Wx: 500.000000, Wy: 0.000000},
+	"quotedblright":  {GlyphName: "quotedblright", Wx: 500.000000, Wy: 0.000000},
+	"quoteleft":      {GlyphName: "quoteleft", Wx: 278.000000, Wy: 0.000000},
+	"quoteright":     {GlyphName: "quoteright", Wx: 278.000000, Wy: 0.000000},
+	"quotesinglbase": {GlyphName: "quotesinglbase", Wx: 278.000000, Wy: 0.000000},
+	"quotesingle":    {GlyphName: "quotesingle", Wx: 238.000000, Wy: 0.000000},
+	"r":              {GlyphName: "r", Wx: 389.000000, Wy: 0.000000},
+	"racute":         {GlyphName: "racute", Wx: 389.000000, Wy: 0.000000},
+	"radical":        {GlyphName: "radical", Wx: 549.000000, Wy: 0.000000},
+	"rcaron":         {GlyphName: "rcaron", Wx: 389.000000, Wy: 0.000000},
+	"rcommaaccent":   {GlyphName: "rcommaaccent", Wx: 389.000000, Wy: 0.000000},
+	"registered":     {GlyphName: "registered", Wx: 737.000000, Wy: 0.000000},
+	"ring":           {GlyphName: "ring", Wx: 333.000000, Wy: 0.000000},
+	"s":              {GlyphName: "s", Wx: 556.000000, Wy: 0.000000},
+	"sacute":         {GlyphName: "sacute", Wx: 556.000000, Wy: 0.000000},
+	"scaron":         {GlyphName: "scaron", Wx: 556.000000, Wy: 0.000000},
+	"scedilla":       {GlyphName: "scedilla", Wx: 556.000000, Wy: 0.000000},
+	"scommaaccent":   {GlyphName: "scommaaccent", Wx: 556.000000, Wy: 0.000000},
+	"section":        {GlyphName: "section", Wx: 556.000000, Wy: 0.000000},
+	"semicolon":      {GlyphName: "semicolon", Wx: 333.000000, Wy: 0.000000},
+	"seven":          {GlyphName: "seven", Wx: 556.000000, Wy: 0.000000},
+	"six":            {GlyphName: "six", Wx: 556.000000, Wy: 0.000000},
+	"slash":          {GlyphName: "slash", Wx: 278.000000, Wy: 0.000000},
+	"space":          {GlyphName: "space", Wx: 278.000000, Wy: 0.000000},
+	"sterling":       {GlyphName: "sterling", Wx: 556.000000, Wy: 0.000000},
+	"summation":      {GlyphName: "summation", Wx: 600.000000, Wy: 0.000000},
+	"t":              {GlyphName: "t", Wx: 333.000000, Wy: 0.000000},
+	"tcaron":         {GlyphName: "tcaron", Wx: 389.000000, Wy: 0.000000},
+	"tcommaaccent":   {GlyphName: "tcommaaccent", Wx: 333.000000, Wy: 0.000000},
+	"thorn":          {GlyphName: "thorn", Wx: 611.000000, Wy: 0.000000},
+	"three":          {GlyphName: "three", Wx: 556.000000, Wy: 0.000000},
+	"threequarters":  {GlyphName: "threequarters", Wx: 834.000000, Wy: 0.000000},
+	"threesuperior":  {GlyphName: "threesuperior", Wx: 333.000000, Wy: 0.000000},
+	"tilde":          {GlyphName: "tilde", Wx: 333.000000, Wy: 0.000000},
+	"trademark":      {GlyphName: "trademark", Wx: 1000.000000, Wy: 0.000000},
+	"two":            {GlyphName: "two", Wx: 556.000000, Wy: 0.000000},
+	"twosuperior":    {GlyphName: "twosuperior", Wx: 333.000000, Wy: 0.000000},
+	"u":              {GlyphName: "u", Wx: 611.000000, Wy: 0.000000},
+	"uacute":         {GlyphName: "uacute", Wx: 611.000000, Wy: 0.000000},
+	"ucircumflex":    {GlyphName: "ucircumflex", Wx: 611.000000, Wy: 0.000000},
+	"udieresis":      {GlyphName: "udieresis", Wx: 611.000000, Wy: 0.000000},
+	"ugrave":         {GlyphName: "ugrave", Wx: 611.000000, Wy: 0.000000},
+	"uhungarumlaut":  {GlyphName: "uhungarumlaut", Wx: 611.000000, Wy: 0.000000},
+	"umacron":        {GlyphName: "umacron", Wx: 611.000000, Wy: 0.000000},
+	"underscore":     {GlyphName: "underscore", Wx: 556.000000, Wy: 0.000000},
+	"uogonek":        {GlyphName: "uogonek", Wx: 611.000000, Wy: 0.000000},
+	"uring":          {GlyphName: "uring", Wx: 611.000000, Wy: 0.000000},
+	"v":              {GlyphName: "v", Wx: 556.000000, Wy: 0.000000},
+	"w":              {GlyphName: "w", Wx: 778.000000, Wy: 0.000000},
+	"x":              {GlyphName: "x", Wx: 556.000000, Wy: 0.000000},
+	"y":              {GlyphName: "y", Wx: 556.000000, Wy: 0.000000},
+	"yacute":         {GlyphName: "yacute", Wx: 556.000000, Wy: 0.000000},
+	"ydieresis":      {GlyphName: "ydieresis", Wx: 556.000000, Wy: 0.000000},
+	"yen":            {GlyphName: "yen", Wx: 556.000000, Wy: 0.000000},
+	"z":              {GlyphName: "z", Wx: 500.000000, Wy: 0.000000},
+	"zacute":         {GlyphName: "zacute", Wx: 500.000000, Wy: 0.000000},
+	"zcaron":         {GlyphName: "zcaron", Wx: 500.000000, Wy: 0.000000},
+	"zdotaccent":     {GlyphName: "zdotaccent", Wx: 500.000000, Wy: 0.000000},
+	"zero":           {GlyphName: "zero", Wx: 556.000000, Wy: 0.000000},
+}

internal/pdf/model/fonts/helvetica_bold_oblique.go

@@ -0,0 +1,362 @@
+package fonts
+
+import (
+	"gitea.tecamino.com/paadi/pdfmerge/internal/pdf/core"
+	"gitea.tecamino.com/paadi/pdfmerge/internal/pdf/model/textencoding"
+)
+
+// Font Helvetica-BoldOblique.  Implements Font interface.
+// This is a built-in font and it is assumed that every reader has access to it.
+type fontHelveticaBoldOblique struct {
+	encoder textencoding.TextEncoder
+}
+
+func NewFontHelveticaBoldOblique() fontHelveticaBoldOblique {
+	font := fontHelveticaBoldOblique{}
+	font.encoder = textencoding.NewWinAnsiTextEncoder() // Default
+	return font
+}
+
+func (font fontHelveticaBoldOblique) SetEncoder(encoder textencoding.TextEncoder) {
+	font.encoder = encoder
+}
+
+func (font fontHelveticaBoldOblique) GetGlyphCharMetrics(glyph string) (CharMetrics, bool) {
+	metrics, has := helveticaBoldObliqueCharMetrics[glyph]
+	if !has {
+		return metrics, false
+	}
+
+	return metrics, true
+}
+
+func (font fontHelveticaBoldOblique) ToPdfObject() core.PdfObject {
+	obj := &core.PdfIndirectObject{}
+
+	fontDict := core.MakeDict()
+	fontDict.Set("Type", core.MakeName("Font"))
+	fontDict.Set("Subtype", core.MakeName("Type1"))
+	fontDict.Set("BaseFont", core.MakeName("Helvetica-BoldOblique"))
+	fontDict.Set("Encoding", font.encoder.ToPdfObject())
+
+	obj.PdfObject = fontDict
+	return obj
+}
+
+var helveticaBoldObliqueCharMetrics map[string]CharMetrics = map[string]CharMetrics{
+	"A":              {GlyphName: "A", Wx: 722.000000, Wy: 0.000000},
+	"AE":             {GlyphName: "AE", Wx: 1000.000000, Wy: 0.000000},
+	"Aacute":         {GlyphName: "Aacute", Wx: 722.000000, Wy: 0.000000},
+	"Abreve":         {GlyphName: "Abreve", Wx: 722.000000, Wy: 0.000000},
+	"Acircumflex":    {GlyphName: "Acircumflex", Wx: 722.000000, Wy: 0.000000},
+	"Adieresis":      {GlyphName: "Adieresis", Wx: 722.000000, Wy: 0.000000},
+	"Agrave":         {GlyphName: "Agrave", Wx: 722.000000, Wy: 0.000000},
+	"Amacron":        {GlyphName: "Amacron", Wx: 722.000000, Wy: 0.000000},
+	"Aogonek":        {GlyphName: "Aogonek", Wx: 722.000000, Wy: 0.000000},
+	"Aring":          {GlyphName: "Aring", Wx: 722.000000, Wy: 0.000000},
+	"Atilde":         {GlyphName: "Atilde", Wx: 722.000000, Wy: 0.000000},
+	"B":              {GlyphName: "B", Wx: 722.000000, Wy: 0.000000},
+	"C":              {GlyphName: "C", Wx: 722.000000, Wy: 0.000000},
+	"Cacute":         {GlyphName: "Cacute", Wx: 722.000000, Wy: 0.000000},
+	"Ccaron":         {GlyphName: "Ccaron", Wx: 722.000000, Wy: 0.000000},
+	"Ccedilla":       {GlyphName: "Ccedilla", Wx: 722.000000, Wy: 0.000000},
+	"D":              {GlyphName: "D", Wx: 722.000000, Wy: 0.000000},
+	"Dcaron":         {GlyphName: "Dcaron", Wx: 722.000000, Wy: 0.000000},
+	"Dcroat":         {GlyphName: "Dcroat", Wx: 722.000000, Wy: 0.000000},
+	"Delta":          {GlyphName: "Delta", Wx: 612.000000, Wy: 0.000000},
+	"E":              {GlyphName: "E", Wx: 667.000000, Wy: 0.000000},
+	"Eacute":         {GlyphName: "Eacute", Wx: 667.000000, Wy: 0.000000},
+	"Ecaron":         {GlyphName: "Ecaron", Wx: 667.000000, Wy: 0.000000},
+	"Ecircumflex":    {GlyphName: "Ecircumflex", Wx: 667.000000, Wy: 0.000000},
+	"Edieresis":      {GlyphName: "Edieresis", Wx: 667.000000, Wy: 0.000000},
+	"Edotaccent":     {GlyphName: "Edotaccent", Wx: 667.000000, Wy: 0.000000},
+	"Egrave":         {GlyphName: "Egrave", Wx: 667.000000, Wy: 0.000000},
+	"Emacron":        {GlyphName: "Emacron", Wx: 667.000000, Wy: 0.000000},
+	"Eogonek":        {GlyphName: "Eogonek", Wx: 667.000000, Wy: 0.000000},
+	"Eth":            {GlyphName: "Eth", Wx: 722.000000, Wy: 0.000000},
+	"Euro":           {GlyphName: "Euro", Wx: 556.000000, Wy: 0.000000},
+	"F":              {GlyphName: "F", Wx: 611.000000, Wy: 0.000000},
+	"G":              {GlyphName: "G", Wx: 778.000000, Wy: 0.000000},
+	"Gbreve":         {GlyphName: "Gbreve", Wx: 778.000000, Wy: 0.000000},
+	"Gcommaaccent":   {GlyphName: "Gcommaaccent", Wx: 778.000000, Wy: 0.000000},
+	"H":              {GlyphName: "H", Wx: 722.000000, Wy: 0.000000},
+	"I":              {GlyphName: "I", Wx: 278.000000, Wy: 0.000000},
+	"Iacute":         {GlyphName: "Iacute", Wx: 278.000000, Wy: 0.000000},
+	"Icircumflex":    {GlyphName: "Icircumflex", Wx: 278.000000, Wy: 0.000000},
+	"Idieresis":      {GlyphName: "Idieresis", Wx: 278.000000, Wy: 0.000000},
+	"Idotaccent":     {GlyphName: "Idotaccent", Wx: 278.000000, Wy: 0.000000},
+	"Igrave":         {GlyphName: "Igrave", Wx: 278.000000, Wy: 0.000000},
+	"Imacron":        {GlyphName: "Imacron", Wx: 278.000000, Wy: 0.000000},
+	"Iogonek":        {GlyphName: "Iogonek", Wx: 278.000000, Wy: 0.000000},
+	"J":              {GlyphName: "J", Wx: 556.000000, Wy: 0.000000},
+	"K":              {GlyphName: "K", Wx: 722.000000, Wy: 0.000000},
+	"Kcommaaccent":   {GlyphName: "Kcommaaccent", Wx: 722.000000, Wy: 0.000000},
+	"L":              {GlyphName: "L", Wx: 611.000000, Wy: 0.000000},
+	"Lacute":         {GlyphName: "Lacute", Wx: 611.000000, Wy: 0.000000},
+	"Lcaron":         {GlyphName: "Lcaron", Wx: 611.000000, Wy: 0.000000},
+	"Lcommaaccent":   {GlyphName: "Lcommaaccent", Wx: 611.000000, Wy: 0.000000},
+	"Lslash":         {GlyphName: "Lslash", Wx: 611.000000, Wy: 0.000000},
+	"M":              {GlyphName: "M", Wx: 833.000000, Wy: 0.000000},
+	"N":              {GlyphName: "N", Wx: 722.000000, Wy: 0.000000},
+	"Nacute":         {GlyphName: "Nacute", Wx: 722.000000, Wy: 0.000000},
+	"Ncaron":         {GlyphName: "Ncaron", Wx: 722.000000, Wy: 0.000000},
+	"Ncommaaccent":   {GlyphName: "Ncommaaccent", Wx: 722.000000, Wy: 0.000000},
+	"Ntilde":         {GlyphName: "Ntilde", Wx: 722.000000, Wy: 0.000000},
+	"O":              {GlyphName: "O", Wx: 778.000000, Wy: 0.000000},
+	"OE":             {GlyphName: "OE", Wx: 1000.000000, Wy: 0.000000},
+	"Oacute":         {GlyphName: "Oacute", Wx: 778.000000, Wy: 0.000000},
+	"Ocircumflex":    {GlyphName: "Ocircumflex", Wx: 778.000000, Wy: 0.000000},
+	"Odieresis":      {GlyphName: "Odieresis", Wx: 778.000000, Wy: 0.000000},
+	"Ograve":         {GlyphName: "Ograve", Wx: 778.000000, Wy: 0.000000},
+	"Ohungarumlaut":  {GlyphName: "Ohungarumlaut", Wx: 778.000000, Wy: 0.000000},
+	"Omacron":        {GlyphName: "Omacron", Wx: 778.000000, Wy: 0.000000},
+	"Oslash":         {GlyphName: "Oslash", Wx: 778.000000, Wy: 0.000000},
+	"Otilde":         {GlyphName: "Otilde", Wx: 778.000000, Wy: 0.000000},
+	"P":              {GlyphName: "P", Wx: 667.000000, Wy: 0.000000},
+	"Q":              {GlyphName: "Q", Wx: 778.000000, Wy: 0.000000},
+	"R":              {GlyphName: "R", Wx: 722.000000, Wy: 0.000000},
+	"Racute":         {GlyphName: "Racute", Wx: 722.000000, Wy: 0.000000},
+	"Rcaron":         {GlyphName: "Rcaron", Wx: 722.000000, Wy: 0.000000},
+	"Rcommaaccent":   {GlyphName: "Rcommaaccent", Wx: 722.000000, Wy: 0.000000},
+	"S":              {GlyphName: "S", Wx: 667.000000, Wy: 0.000000},
+	"Sacute":         {GlyphName: "Sacute", Wx: 667.000000, Wy: 0.000000},
+	"Scaron":         {GlyphName: "Scaron", Wx: 667.000000, Wy: 0.000000},
+	"Scedilla":       {GlyphName: "Scedilla", Wx: 667.000000, Wy: 0.000000},
+	"Scommaaccent":   {GlyphName: "Scommaaccent", Wx: 667.000000, Wy: 0.000000},
+	"T":              {GlyphName: "T", Wx: 611.000000, Wy: 0.000000},
+	"Tcaron":         {GlyphName: "Tcaron", Wx: 611.000000, Wy: 0.000000},
+	"Tcommaaccent":   {GlyphName: "Tcommaaccent", Wx: 611.000000, Wy: 0.000000},
+	"Thorn":          {GlyphName: "Thorn", Wx: 667.000000, Wy: 0.000000},
+	"U":              {GlyphName: "U", Wx: 722.000000, Wy: 0.000000},
+	"Uacute":         {GlyphName: "Uacute", Wx: 722.000000, Wy: 0.000000},
+	"Ucircumflex":    {GlyphName: "Ucircumflex", Wx: 722.000000, Wy: 0.000000},
+	"Udieresis":      {GlyphName: "Udieresis", Wx: 722.000000, Wy: 0.000000},
+	"Ugrave":         {GlyphName: "Ugrave", Wx: 722.000000, Wy: 0.000000},
+	"Uhungarumlaut":  {GlyphName: "Uhungarumlaut", Wx: 722.000000, Wy: 0.000000},
+	"Umacron":        {GlyphName: "Umacron", Wx: 722.000000, Wy: 0.000000},
+	"Uogonek":        {GlyphName: "Uogonek", Wx: 722.000000, Wy: 0.000000},
+	"Uring":          {GlyphName: "Uring", Wx: 722.000000, Wy: 0.000000},
+	"V":              {GlyphName: "V", Wx: 667.000000, Wy: 0.000000},
+	"W":              {GlyphName: "W", Wx: 944.000000, Wy: 0.000000},
+	"X":              {GlyphName: "X", Wx: 667.000000, Wy: 0.000000},
+	"Y":              {GlyphName: "Y", Wx: 667.000000, Wy: 0.000000},
+	"Yacute":         {GlyphName: "Yacute", Wx: 667.000000, Wy: 0.000000},
+	"Ydieresis":      {GlyphName: "Ydieresis", Wx: 667.000000, Wy: 0.000000},
+	"Z":              {GlyphName: "Z", Wx: 611.000000, Wy: 0.000000},
+	"Zacute":         {GlyphName: "Zacute", Wx: 611.000000, Wy: 0.000000},
+	"Zcaron":         {GlyphName: "Zcaron", Wx: 611.000000, Wy: 0.000000},
+	"Zdotaccent":     {GlyphName: "Zdotaccent", Wx: 611.000000, Wy: 0.000000},
+	"a":              {GlyphName: "a", Wx: 556.000000, Wy: 0.000000},
+	"aacute":         {GlyphName: "aacute", Wx: 556.000000, Wy: 0.000000},
+	"abreve":         {GlyphName: "abreve", Wx: 556.000000, Wy: 0.000000},
+	"acircumflex":    {GlyphName: "acircumflex", Wx: 556.000000, Wy: 0.000000},
+	"acute":          {GlyphName: "acute", Wx: 333.000000, Wy: 0.000000},
+	"adieresis":      {GlyphName: "adieresis", Wx: 556.000000, Wy: 0.000000},
+	"ae":             {GlyphName: "ae", Wx: 889.000000, Wy: 0.000000},
+	"agrave":         {GlyphName: "agrave", Wx: 556.000000, Wy: 0.000000},
+	"amacron":        {GlyphName: "amacron", Wx: 556.000000, Wy: 0.000000},
+	"ampersand":      {GlyphName: "ampersand", Wx: 722.000000, Wy: 0.000000},
+	"aogonek":        {GlyphName: "aogonek", Wx: 556.000000, Wy: 0.000000},
+	"aring":          {GlyphName: "aring", Wx: 556.000000, Wy: 0.000000},
+	"asciicircum":    {GlyphName: "asciicircum", Wx: 584.000000, Wy: 0.000000},
+	"asciitilde":     {GlyphName: "asciitilde", Wx: 584.000000, Wy: 0.000000},
+	"asterisk":       {GlyphName: "asterisk", Wx: 389.000000, Wy: 0.000000},
+	"at":             {GlyphName: "at", Wx: 975.000000, Wy: 0.000000},
+	"atilde":         {GlyphName: "atilde", Wx: 556.000000, Wy: 0.000000},
+	"b":              {GlyphName: "b", Wx: 611.000000, Wy: 0.000000},
+	"backslash":      {GlyphName: "backslash", Wx: 278.000000, Wy: 0.000000},
+	"bar":            {GlyphName: "bar", Wx: 280.000000, Wy: 0.000000},
+	"braceleft":      {GlyphName: "braceleft", Wx: 389.000000, Wy: 0.000000},
+	"braceright":     {GlyphName: "braceright", Wx: 389.000000, Wy: 0.000000},
+	"bracketleft":    {GlyphName: "bracketleft", Wx: 333.000000, Wy: 0.000000},
+	"bracketright":   {GlyphName: "bracketright", Wx: 333.000000, Wy: 0.000000},
+	"breve":          {GlyphName: "breve", Wx: 333.000000, Wy: 0.000000},
+	"brokenbar":      {GlyphName: "brokenbar", Wx: 280.000000, Wy: 0.000000},
+	"bullet":         {GlyphName: "bullet", Wx: 350.000000, Wy: 0.000000},
+	"c":              {GlyphName: "c", Wx: 556.000000, Wy: 0.000000},
+	"cacute":         {GlyphName: "cacute", Wx: 556.000000, Wy: 0.000000},
+	"caron":          {GlyphName: "caron", Wx: 333.000000, Wy: 0.000000},
+	"ccaron":         {GlyphName: "ccaron", Wx: 556.000000, Wy: 0.000000},
+	"ccedilla":       {GlyphName: "ccedilla", Wx: 556.000000, Wy: 0.000000},
+	"cedilla":        {GlyphName: "cedilla", Wx: 333.000000, Wy: 0.000000},
+	"cent":           {GlyphName: "cent", Wx: 556.000000, Wy: 0.000000},
+	"circumflex":     {GlyphName: "circumflex", Wx: 333.000000, Wy: 0.000000},
+	"colon":          {GlyphName: "colon", Wx: 333.000000, Wy: 0.000000},
+	"comma":          {GlyphName: "comma", Wx: 278.000000, Wy: 0.000000},
+	"commaaccent":    {GlyphName: "commaaccent", Wx: 250.000000, Wy: 0.000000},
+	"copyright":      {GlyphName: "copyright", Wx: 737.000000, Wy: 0.000000},
+	"currency":       {GlyphName: "currency", Wx: 556.000000, Wy: 0.000000},
+	"d":              {GlyphName: "d", Wx: 611.000000, Wy: 0.000000},
+	"dagger":         {GlyphName: "dagger", Wx: 556.000000, Wy: 0.000000},
+	"daggerdbl":      {GlyphName: "daggerdbl", Wx: 556.000000, Wy: 0.000000},
+	"dcaron":         {GlyphName: "dcaron", Wx: 743.000000, Wy: 0.000000},
+	"dcroat":         {GlyphName: "dcroat", Wx: 611.000000, Wy: 0.000000},
+	"degree":         {GlyphName: "degree", Wx: 400.000000, Wy: 0.000000},
+	"dieresis":       {GlyphName: "dieresis", Wx: 333.000000, Wy: 0.000000},
+	"divide":         {GlyphName: "divide", Wx: 584.000000, Wy: 0.000000},
+	"dollar":         {GlyphName: "dollar", Wx: 556.000000, Wy: 0.000000},
+	"dotaccent":      {GlyphName: "dotaccent", Wx: 333.000000, Wy: 0.000000},
+	"dotlessi":       {GlyphName: "dotlessi", Wx: 278.000000, Wy: 0.000000},
+	"e":              {GlyphName: "e", Wx: 556.000000, Wy: 0.000000},
+	"eacute":         {GlyphName: "eacute", Wx: 556.000000, Wy: 0.000000},
+	"ecaron":         {GlyphName: "ecaron", Wx: 556.000000, Wy: 0.000000},
+	"ecircumflex":    {GlyphName: "ecircumflex", Wx: 556.000000, Wy: 0.000000},
+	"edieresis":      {GlyphName: "edieresis", Wx: 556.000000, Wy: 0.000000},
+	"edotaccent":     {GlyphName: "edotaccent", Wx: 556.000000, Wy: 0.000000},
+	"egrave":         {GlyphName: "egrave", Wx: 556.000000, Wy: 0.000000},
+	"eight":          {GlyphName: "eight", Wx: 556.000000, Wy: 0.000000},
+	"ellipsis":       {GlyphName: "ellipsis", Wx: 1000.000000, Wy: 0.000000},
+	"emacron":        {GlyphName: "emacron", Wx: 556.000000, Wy: 0.000000},
+	"emdash":         {GlyphName: "emdash", Wx: 1000.000000, Wy: 0.000000},
+	"endash":         {GlyphName: "endash", Wx: 556.000000, Wy: 0.000000},
+	"eogonek":        {GlyphName: "eogonek", Wx: 556.000000, Wy: 0.000000},
+	"equal":          {GlyphName: "equal", Wx: 584.000000, Wy: 0.000000},
+	"eth":            {GlyphName: "eth", Wx: 611.000000, Wy: 0.000000},
+	"exclam":         {GlyphName: "exclam", Wx: 333.000000, Wy: 0.000000},
+	"exclamdown":     {GlyphName: "exclamdown", Wx: 333.000000, Wy: 0.000000},
+	"f":              {GlyphName: "f", Wx: 333.000000, Wy: 0.000000},
+	"fi":             {GlyphName: "fi", Wx: 611.000000, Wy: 0.000000},
+	"five":           {GlyphName: "five", Wx: 556.000000, Wy: 0.000000},
+	"fl":             {GlyphName: "fl", Wx: 611.000000, Wy: 0.000000},
+	"florin":         {GlyphName: "florin", Wx: 556.000000, Wy: 0.000000},
+	"four":           {GlyphName: "four", Wx: 556.000000, Wy: 0.000000},
+	"fraction":       {GlyphName: "fraction", Wx: 167.000000, Wy: 0.000000},
+	"g":              {GlyphName: "g", Wx: 611.000000, Wy: 0.000000},
+	"gbreve":         {GlyphName: "gbreve", Wx: 611.000000, Wy: 0.000000},
+	"gcommaaccent":   {GlyphName: "gcommaaccent", Wx: 611.000000, Wy: 0.000000},
+	"germandbls":     {GlyphName: "germandbls", Wx: 611.000000, Wy: 0.000000},
+	"grave":          {GlyphName: "grave", Wx: 333.000000, Wy: 0.000000},
+	"greater":        {GlyphName: "greater", Wx: 584.000000, Wy: 0.000000},
+	"greaterequal":   {GlyphName: "greaterequal", Wx: 549.000000, Wy: 0.000000},
+	"guillemotleft":  {GlyphName: "guillemotleft", Wx: 556.000000, Wy: 0.000000},
+	"guillemotright": {GlyphName: "guillemotright", Wx: 556.000000, Wy: 0.000000},
+	"guilsinglleft":  {GlyphName: "guilsinglleft", Wx: 333.000000, Wy: 0.000000},
+	"guilsinglright": {GlyphName: "guilsinglright", Wx: 333.000000, Wy: 0.000000},
+	"h":              {GlyphName: "h", Wx: 611.000000, Wy: 0.000000},
+	"hungarumlaut":   {GlyphName: "hungarumlaut", Wx: 333.000000, Wy: 0.000000},
+	"hyphen":         {GlyphName: "hyphen", Wx: 333.000000, Wy: 0.000000},
+	"i":              {GlyphName: "i", Wx: 278.000000, Wy: 0.000000},
+	"iacute":         {GlyphName: "iacute", Wx: 278.000000, Wy: 0.000000},
+	"icircumflex":    {GlyphName: "icircumflex", Wx: 278.000000, Wy: 0.000000},
+	"idieresis":      {GlyphName: "idieresis", Wx: 278.000000, Wy: 0.000000},
+	"igrave":         {GlyphName: "igrave", Wx: 278.000000, Wy: 0.000000},
+	"imacron":        {GlyphName: "imacron", Wx: 278.000000, Wy: 0.000000},
+	"iogonek":        {GlyphName: "iogonek", Wx: 278.000000, Wy: 0.000000},
+	"j":              {GlyphName: "j", Wx: 278.000000, Wy: 0.000000},
+	"k":              {GlyphName: "k", Wx: 556.000000, Wy: 0.000000},
+	"kcommaaccent":   {GlyphName: "kcommaaccent", Wx: 556.000000, Wy: 0.000000},
+	"l":              {GlyphName: "l", Wx: 278.000000, Wy: 0.000000},
+	"lacute":         {GlyphName: "lacute", Wx: 278.000000, Wy: 0.000000},
+	"lcaron":         {GlyphName: "lcaron", Wx: 400.000000, Wy: 0.000000},
+	"lcommaaccent":   {GlyphName: "lcommaaccent", Wx: 278.000000, Wy: 0.000000},
+	"less":           {GlyphName: "less", Wx: 584.000000, Wy: 0.000000},
+	"lessequal":      {GlyphName: "lessequal", Wx: 549.000000, Wy: 0.000000},
+	"logicalnot":     {GlyphName: "logicalnot", Wx: 584.000000, Wy: 0.000000},
+	"lozenge":        {GlyphName: "lozenge", Wx: 494.000000, Wy: 0.000000},
+	"lslash":         {GlyphName: "lslash", Wx: 278.000000, Wy: 0.000000},
+	"m":              {GlyphName: "m", Wx: 889.000000, Wy: 0.000000},
+	"macron":         {GlyphName: "macron", Wx: 333.000000, Wy: 0.000000},
+	"minus":          {GlyphName: "minus", Wx: 584.000000, Wy: 0.000000},
+	"mu":             {GlyphName: "mu", Wx: 611.000000, Wy: 0.000000},
+	"multiply":       {GlyphName: "multiply", Wx: 584.000000, Wy: 0.000000},
+	"n":              {GlyphName: "n", Wx: 611.000000, Wy: 0.000000},
+	"nacute":         {GlyphName: "nacute", Wx: 611.000000, Wy: 0.000000},
+	"ncaron":         {GlyphName: "ncaron", Wx: 611.000000, Wy: 0.000000},
+	"ncommaaccent":   {GlyphName: "ncommaaccent", Wx: 611.000000, Wy: 0.000000},
+	"nine":           {GlyphName: "nine", Wx: 556.000000, Wy: 0.000000},
+	"notequal":       {GlyphName: "notequal", Wx: 549.000000, Wy: 0.000000},
+	"ntilde":         {GlyphName: "ntilde", Wx: 611.000000, Wy: 0.000000},
+	"numbersign":     {GlyphName: "numbersign", Wx: 556.000000, Wy: 0.000000},
+	"o":              {GlyphName: "o", Wx: 611.000000, Wy: 0.000000},
+	"oacute":         {GlyphName: "oacute", Wx: 611.000000, Wy: 0.000000},
+	"ocircumflex":    {GlyphName: "ocircumflex", Wx: 611.000000, Wy: 0.000000},
+	"odieresis":      {GlyphName: "odieresis", Wx: 611.000000, Wy: 0.000000},
+	"oe":             {GlyphName: "oe", Wx: 944.000000, Wy: 0.000000},
+	"ogonek":         {GlyphName: "ogonek", Wx: 333.000000, Wy: 0.000000},
+	"ograve":         {GlyphName: "ograve", Wx: 611.000000, Wy: 0.000000},
+	"ohungarumlaut":  {GlyphName: "ohungarumlaut", Wx: 611.000000, Wy: 0.000000},
+	"omacron":        {GlyphName: "omacron", Wx: 611.000000, Wy: 0.000000},
+	"one":            {GlyphName: "one", Wx: 556.000000, Wy: 0.000000},
+	"onehalf":        {GlyphName: "onehalf", Wx: 834.000000, Wy: 0.000000},
+	"onequarter":     {GlyphName: "onequarter", Wx: 834.000000, Wy: 0.000000},
+	"onesuperior":    {GlyphName: "onesuperior", Wx: 333.000000, Wy: 0.000000},
+	"ordfeminine":    {GlyphName: "ordfeminine", Wx: 370.000000, Wy: 0.000000},
+	"ordmasculine":   {GlyphName: "ordmasculine", Wx: 365.000000, Wy: 0.000000},
+	"oslash":         {GlyphName: "oslash", Wx: 611.000000, Wy: 0.000000},
+	"otilde":         {GlyphName: "otilde", Wx: 611.000000, Wy: 0.000000},
+	"p":              {GlyphName: "p", Wx: 611.000000, Wy: 0.000000},
+	"paragraph":      {GlyphName: "paragraph", Wx: 556.000000, Wy: 0.000000},
+	"parenleft":      {GlyphName: "parenleft", Wx: 333.000000, Wy: 0.000000},
+	"parenright":     {GlyphName: "parenright", Wx: 333.000000, Wy: 0.000000},
+	"partialdiff":    {GlyphName: "partialdiff", Wx: 494.000000, Wy: 0.000000},
+	"percent":        {GlyphName: "percent", Wx: 889.000000, Wy: 0.000000},
+	"period":         {GlyphName: "period", Wx: 278.000000, Wy: 0.000000},
+	"periodcentered": {GlyphName: "periodcentered", Wx: 278.000000, Wy: 0.000000},
+	"perthousand":    {GlyphName: "perthousand", Wx: 1000.000000, Wy: 0.000000},
+	"plus":           {GlyphName: "plus", Wx: 584.000000, Wy: 0.000000},
+	"plusminus":      {GlyphName: "plusminus", Wx: 584.000000, Wy: 0.000000},
+	"q":              {GlyphName: "q", Wx: 611.000000, Wy: 0.000000},
+	"question":       {GlyphName: "question", Wx: 611.000000, Wy: 0.000000},
+	"questiondown":   {GlyphName: "questiondown", Wx: 611.000000, Wy: 0.000000},
+	"quotedbl":       {GlyphName: "quotedbl", Wx: 474.000000, Wy: 0.000000},
+	"quotedblbase":   {GlyphName: "quotedblbase", Wx: 500.000000, Wy: 0.000000},
+	"quotedblleft":   {GlyphName: "quotedblleft", Wx: 500.000000, Wy: 0.000000},
+	"quotedblright":  {GlyphName: "quotedblright", Wx: 500.000000, Wy: 0.000000},
+	"quoteleft":      {GlyphName: "quoteleft", Wx: 278.000000, Wy: 0.000000},
+	"quoteright":     {GlyphName: "quoteright", Wx: 278.000000, Wy: 0.000000},
+	"quotesinglbase": {GlyphName: "quotesinglbase", Wx: 278.000000, Wy: 0.000000},
+	"quotesingle":    {GlyphName: "quotesingle", Wx: 238.000000, Wy: 0.000000},
+	"r":              {GlyphName: "r", Wx: 389.000000, Wy: 0.000000},
+	"racute":         {GlyphName: "racute", Wx: 389.000000, Wy: 0.000000},
+	"radical":        {GlyphName: "radical", Wx: 549.000000, Wy: 0.000000},
+	"rcaron":         {GlyphName: "rcaron", Wx: 389.000000, Wy: 0.000000},
+	"rcommaaccent":   {GlyphName: "rcommaaccent", Wx: 389.000000, Wy: 0.000000},
+	"registered":     {GlyphName: "registered", Wx: 737.000000, Wy: 0.000000},
+	"ring":           {GlyphName: "ring", Wx: 333.000000, Wy: 0.000000},
+	"s":              {GlyphName: "s", Wx: 556.000000, Wy: 0.000000},
+	"sacute":         {GlyphName: "sacute", Wx: 556.000000, Wy: 0.000000},
+	"scaron":         {GlyphName: "scaron", Wx: 556.000000, Wy: 0.000000},
+	"scedilla":       {GlyphName: "scedilla", Wx: 556.000000, Wy: 0.000000},
+	"scommaaccent":   {GlyphName: "scommaaccent", Wx: 556.000000, Wy: 0.000000},
+	"section":        {GlyphName: "section", Wx: 556.000000, Wy: 0.000000},
+	"semicolon":      {GlyphName: "semicolon", Wx: 333.000000, Wy: 0.000000},
+	"seven":          {GlyphName: "seven", Wx: 556.000000, Wy: 0.000000},
+	"six":            {GlyphName: "six", Wx: 556.000000, Wy: 0.000000},
+	"slash":          {GlyphName: "slash", Wx: 278.000000, Wy: 0.000000},
+	"space":          {GlyphName: "space", Wx: 278.000000, Wy: 0.000000},
+	"sterling":       {GlyphName: "sterling", Wx: 556.000000, Wy: 0.000000},
+	"summation":      {GlyphName: "summation", Wx: 600.000000, Wy: 0.000000},
+	"t":              {GlyphName: "t", Wx: 333.000000, Wy: 0.000000},
+	"tcaron":         {GlyphName: "tcaron", Wx: 389.000000, Wy: 0.000000},
+	"tcommaaccent":   {GlyphName: "tcommaaccent", Wx: 333.000000, Wy: 0.000000},
+	"thorn":          {GlyphName: "thorn", Wx: 611.000000, Wy: 0.000000},
+	"three":          {GlyphName: "three", Wx: 556.000000, Wy: 0.000000},
+	"threequarters":  {GlyphName: "threequarters", Wx: 834.000000, Wy: 0.000000},
+	"threesuperior":  {GlyphName: "threesuperior", Wx: 333.000000, Wy: 0.000000},
+	"tilde":          {GlyphName: "tilde", Wx: 333.000000, Wy: 0.000000},
+	"trademark":      {GlyphName: "trademark", Wx: 1000.000000, Wy: 0.000000},
+	"two":            {GlyphName: "two", Wx: 556.000000, Wy: 0.000000},
+	"twosuperior":    {GlyphName: "twosuperior", Wx: 333.000000, Wy: 0.000000},
+	"u":              {GlyphName: "u", Wx: 611.000000, Wy: 0.000000},
+	"uacute":         {GlyphName: "uacute", Wx: 611.000000, Wy: 0.000000},
+	"ucircumflex":    {GlyphName: "ucircumflex", Wx: 611.000000, Wy: 0.000000},
+	"udieresis":      {GlyphName: "udieresis", Wx: 611.000000, Wy: 0.000000},
+	"ugrave":         {GlyphName: "ugrave", Wx: 611.000000, Wy: 0.000000},
+	"uhungarumlaut":  {GlyphName: "uhungarumlaut", Wx: 611.000000, Wy: 0.000000},
+	"umacron":        {GlyphName: "umacron", Wx: 611.000000, Wy: 0.000000},
+	"underscore":     {GlyphName: "underscore", Wx: 556.000000, Wy: 0.000000},
+	"uogonek":        {GlyphName: "uogonek", Wx: 611.000000, Wy: 0.000000},
+	"uring":          {GlyphName: "uring", Wx: 611.000000, Wy: 0.000000},
+	"v":              {GlyphName: "v", Wx: 556.000000, Wy: 0.000000},
+	"w":              {GlyphName: "w", Wx: 778.000000, Wy: 0.000000},
+	"x":              {GlyphName: "x", Wx: 556.000000, Wy: 0.000000},
+	"y":              {GlyphName: "y", Wx: 556.000000, Wy: 0.000000},
+	"yacute":         {GlyphName: "yacute", Wx: 556.000000, Wy: 0.000000},
+	"ydieresis":      {GlyphName: "ydieresis", Wx: 556.000000, Wy: 0.000000},
+	"yen":            {GlyphName: "yen", Wx: 556.000000, Wy: 0.000000},
+	"z":              {GlyphName: "z", Wx: 500.000000, Wy: 0.000000},
+	"zacute":         {GlyphName: "zacute", Wx: 500.000000, Wy: 0.000000},
+	"zcaron":         {GlyphName: "zcaron", Wx: 500.000000, Wy: 0.000000},
+	"zdotaccent":     {GlyphName: "zdotaccent", Wx: 500.000000, Wy: 0.000000},
+	"zero":           {GlyphName: "zero", Wx: 556.000000, Wy: 0.000000},
+}

internal/pdf/model/fonts/helvetica_oblique.go

@@ -0,0 +1,362 @@
+package fonts
+
+import (
+	"gitea.tecamino.com/paadi/pdfmerge/internal/pdf/core"
+	"gitea.tecamino.com/paadi/pdfmerge/internal/pdf/model/textencoding"
+)
+
+// Font Helvetica-Oblique.  Implements Font interface.
+// This is a built-in font and it is assumed that every reader has access to it.
+type fontHelveticaOblique struct {
+	encoder textencoding.TextEncoder
+}
+
+func NewFontHelveticaOblique() fontHelveticaOblique {
+	font := fontHelveticaOblique{}
+	font.encoder = textencoding.NewWinAnsiTextEncoder() // Default
+	return font
+}
+
+func (font fontHelveticaOblique) SetEncoder(encoder textencoding.TextEncoder) {
+	font.encoder = encoder
+}
+
+func (font fontHelveticaOblique) GetGlyphCharMetrics(glyph string) (CharMetrics, bool) {
+	metrics, has := helveticaObliqueCharMetrics[glyph]
+	if !has {
+		return metrics, false
+	}
+
+	return metrics, true
+}
+
+func (font fontHelveticaOblique) ToPdfObject() core.PdfObject {
+	obj := &core.PdfIndirectObject{}
+
+	fontDict := core.MakeDict()
+	fontDict.Set("Type", core.MakeName("Font"))
+	fontDict.Set("Subtype", core.MakeName("Type1"))
+	fontDict.Set("BaseFont", core.MakeName("Helvetica-Oblique"))
+	fontDict.Set("Encoding", font.encoder.ToPdfObject())
+
+	obj.PdfObject = fontDict
+	return obj
+}
+
+var helveticaObliqueCharMetrics map[string]CharMetrics = map[string]CharMetrics{
+	"A":              {GlyphName: "A", Wx: 667.000000, Wy: 0.000000},
+	"AE":             {GlyphName: "AE", Wx: 1000.000000, Wy: 0.000000},
+	"Aacute":         {GlyphName: "Aacute", Wx: 667.000000, Wy: 0.000000},
+	"Abreve":         {GlyphName: "Abreve", Wx: 667.000000, Wy: 0.000000},
+	"Acircumflex":    {GlyphName: "Acircumflex", Wx: 667.000000, Wy: 0.000000},
+	"Adieresis":      {GlyphName: "Adieresis", Wx: 667.000000, Wy: 0.000000},
+	"Agrave":         {GlyphName: "Agrave", Wx: 667.000000, Wy: 0.000000},
+	"Amacron":        {GlyphName: "Amacron", Wx: 667.000000, Wy: 0.000000},
+	"Aogonek":        {GlyphName: "Aogonek", Wx: 667.000000, Wy: 0.000000},
+	"Aring":          {GlyphName: "Aring", Wx: 667.000000, Wy: 0.000000},
+	"Atilde":         {GlyphName: "Atilde", Wx: 667.000000, Wy: 0.000000},
+	"B":              {GlyphName: "B", Wx: 667.000000, Wy: 0.000000},
+	"C":              {GlyphName: "C", Wx: 722.000000, Wy: 0.000000},
+	"Cacute":         {GlyphName: "Cacute", Wx: 722.000000, Wy: 0.000000},
+	"Ccaron":         {GlyphName: "Ccaron", Wx: 722.000000, Wy: 0.000000},
+	"Ccedilla":       {GlyphName: "Ccedilla", Wx: 722.000000, Wy: 0.000000},
+	"D":              {GlyphName: "D", Wx: 722.000000, Wy: 0.000000},
+	"Dcaron":         {GlyphName: "Dcaron", Wx: 722.000000, Wy: 0.000000},
+	"Dcroat":         {GlyphName: "Dcroat", Wx: 722.000000, Wy: 0.000000},
+	"Delta":          {GlyphName: "Delta", Wx: 612.000000, Wy: 0.000000},
+	"E":              {GlyphName: "E", Wx: 667.000000, Wy: 0.000000},
+	"Eacute":         {GlyphName: "Eacute", Wx: 667.000000, Wy: 0.000000},
+	"Ecaron":         {GlyphName: "Ecaron", Wx: 667.000000, Wy: 0.000000},
+	"Ecircumflex":    {GlyphName: "Ecircumflex", Wx: 667.000000, Wy: 0.000000},
+	"Edieresis":      {GlyphName: "Edieresis", Wx: 667.000000, Wy: 0.000000},
+	"Edotaccent":     {GlyphName: "Edotaccent", Wx: 667.000000, Wy: 0.000000},
+	"Egrave":         {GlyphName: "Egrave", Wx: 667.000000, Wy: 0.000000},
+	"Emacron":        {GlyphName: "Emacron", Wx: 667.000000, Wy: 0.000000},
+	"Eogonek":        {GlyphName: "Eogonek", Wx: 667.000000, Wy: 0.000000},
+	"Eth":            {GlyphName: "Eth", Wx: 722.000000, Wy: 0.000000},
+	"Euro":           {GlyphName: "Euro", Wx: 556.000000, Wy: 0.000000},
+	"F":              {GlyphName: "F", Wx: 611.000000, Wy: 0.000000},
+	"G":              {GlyphName: "G", Wx: 778.000000, Wy: 0.000000},
+	"Gbreve":         {GlyphName: "Gbreve", Wx: 778.000000, Wy: 0.000000},
+	"Gcommaaccent":   {GlyphName: "Gcommaaccent", Wx: 778.000000, Wy: 0.000000},
+	"H":              {GlyphName: "H", Wx: 722.000000, Wy: 0.000000},
+	"I":              {GlyphName: "I", Wx: 278.000000, Wy: 0.000000},
+	"Iacute":         {GlyphName: "Iacute", Wx: 278.000000, Wy: 0.000000},
+	"Icircumflex":    {GlyphName: "Icircumflex", Wx: 278.000000, Wy: 0.000000},
+	"Idieresis":      {GlyphName: "Idieresis", Wx: 278.000000, Wy: 0.000000},
+	"Idotaccent":     {GlyphName: "Idotaccent", Wx: 278.000000, Wy: 0.000000},
+	"Igrave":         {GlyphName: "Igrave", Wx: 278.000000, Wy: 0.000000},
+	"Imacron":        {GlyphName: "Imacron", Wx: 278.000000, Wy: 0.000000},
+	"Iogonek":        {GlyphName: "Iogonek", Wx: 278.000000, Wy: 0.000000},
+	"J":              {GlyphName: "J", Wx: 500.000000, Wy: 0.000000},
+	"K":              {GlyphName: "K", Wx: 667.000000, Wy: 0.000000},
+	"Kcommaaccent":   {GlyphName: "Kcommaaccent", Wx: 667.000000, Wy: 0.000000},
+	"L":              {GlyphName: "L", Wx: 556.000000, Wy: 0.000000},
+	"Lacute":         {GlyphName: "Lacute", Wx: 556.000000, Wy: 0.000000},
+	"Lcaron":         {GlyphName: "Lcaron", Wx: 556.000000, Wy: 0.000000},
+	"Lcommaaccent":   {GlyphName: "Lcommaaccent", Wx: 556.000000, Wy: 0.000000},
+	"Lslash":         {GlyphName: "Lslash", Wx: 556.000000, Wy: 0.000000},
+	"M":              {GlyphName: "M", Wx: 833.000000, Wy: 0.000000},
+	"N":              {GlyphName: "N", Wx: 722.000000, Wy: 0.000000},
+	"Nacute":         {GlyphName: "Nacute", Wx: 722.000000, Wy: 0.000000},
+	"Ncaron":         {GlyphName: "Ncaron", Wx: 722.000000, Wy: 0.000000},
+	"Ncommaaccent":   {GlyphName: "Ncommaaccent", Wx: 722.000000, Wy: 0.000000},
+	"Ntilde":         {GlyphName: "Ntilde", Wx: 722.000000, Wy: 0.000000},
+	"O":              {GlyphName: "O", Wx: 778.000000, Wy: 0.000000},
+	"OE":             {GlyphName: "OE", Wx: 1000.000000, Wy: 0.000000},
+	"Oacute":         {GlyphName: "Oacute", Wx: 778.000000, Wy: 0.000000},
+	"Ocircumflex":    {GlyphName: "Ocircumflex", Wx: 778.000000, Wy: 0.000000},
+	"Odieresis":      {GlyphName: "Odieresis", Wx: 778.000000, Wy: 0.000000},
+	"Ograve":         {GlyphName: "Ograve", Wx: 778.000000, Wy: 0.000000},
+	"Ohungarumlaut":  {GlyphName: "Ohungarumlaut", Wx: 778.000000, Wy: 0.000000},
+	"Omacron":        {GlyphName: "Omacron", Wx: 778.000000, Wy: 0.000000},
+	"Oslash":         {GlyphName: "Oslash", Wx: 778.000000, Wy: 0.000000},
+	"Otilde":         {GlyphName: "Otilde", Wx: 778.000000, Wy: 0.000000},
+	"P":              {GlyphName: "P", Wx: 667.000000, Wy: 0.000000},
+	"Q":              {GlyphName: "Q", Wx: 778.000000, Wy: 0.000000},
+	"R":              {GlyphName: "R", Wx: 722.000000, Wy: 0.000000},
+	"Racute":         {GlyphName: "Racute", Wx: 722.000000, Wy: 0.000000},
+	"Rcaron":         {GlyphName: "Rcaron", Wx: 722.000000, Wy: 0.000000},
+	"Rcommaaccent":   {GlyphName: "Rcommaaccent", Wx: 722.000000, Wy: 0.000000},
+	"S":              {GlyphName: "S", Wx: 667.000000, Wy: 0.000000},
+	"Sacute":         {GlyphName: "Sacute", Wx: 667.000000, Wy: 0.000000},
+	"Scaron":         {GlyphName: "Scaron", Wx: 667.000000, Wy: 0.000000},
+	"Scedilla":       {GlyphName: "Scedilla", Wx: 667.000000, Wy: 0.000000},
+	"Scommaaccent":   {GlyphName: "Scommaaccent", Wx: 667.000000, Wy: 0.000000},
+	"T":              {GlyphName: "T", Wx: 611.000000, Wy: 0.000000},
+	"Tcaron":         {GlyphName: "Tcaron", Wx: 611.000000, Wy: 0.000000},
+	"Tcommaaccent":   {GlyphName: "Tcommaaccent", Wx: 611.000000, Wy: 0.000000},
+	"Thorn":          {GlyphName: "Thorn", Wx: 667.000000, Wy: 0.000000},
+	"U":              {GlyphName: "U", Wx: 722.000000, Wy: 0.000000},
+	"Uacute":         {GlyphName: "Uacute", Wx: 722.000000, Wy: 0.000000},
+	"Ucircumflex":    {GlyphName: "Ucircumflex", Wx: 722.000000, Wy: 0.000000},
+	"Udieresis":      {GlyphName: "Udieresis", Wx: 722.000000, Wy: 0.000000},
+	"Ugrave":         {GlyphName: "Ugrave", Wx: 722.000000, Wy: 0.000000},
+	"Uhungarumlaut":  {GlyphName: "Uhungarumlaut", Wx: 722.000000, Wy: 0.000000},
+	"Umacron":        {GlyphName: "Umacron", Wx: 722.000000, Wy: 0.000000},
+	"Uogonek":        {GlyphName: "Uogonek", Wx: 722.000000, Wy: 0.000000},
+	"Uring":          {GlyphName: "Uring", Wx: 722.000000, Wy: 0.000000},
+	"V":              {GlyphName: "V", Wx: 667.000000, Wy: 0.000000},
+	"W":              {GlyphName: "W", Wx: 944.000000, Wy: 0.000000},
+	"X":              {GlyphName: "X", Wx: 667.000000, Wy: 0.000000},
+	"Y":              {GlyphName: "Y", Wx: 667.000000, Wy: 0.000000},
+	"Yacute":         {GlyphName: "Yacute", Wx: 667.000000, Wy: 0.000000},
+	"Ydieresis":      {GlyphName: "Ydieresis", Wx: 667.000000, Wy: 0.000000},
+	"Z":              {GlyphName: "Z", Wx: 611.000000, Wy: 0.000000},
+	"Zacute":         {GlyphName: "Zacute", Wx: 611.000000, Wy: 0.000000},
+	"Zcaron":         {GlyphName: "Zcaron", Wx: 611.000000, Wy: 0.000000},
+	"Zdotaccent":     {GlyphName: "Zdotaccent", Wx: 611.000000, Wy: 0.000000},
+	"a":              {GlyphName: "a", Wx: 556.000000, Wy: 0.000000},
+	"aacute":         {GlyphName: "aacute", Wx: 556.000000, Wy: 0.000000},
+	"abreve":         {GlyphName: "abreve", Wx: 556.000000, Wy: 0.000000},
+	"acircumflex":    {GlyphName: "acircumflex", Wx: 556.000000, Wy: 0.000000},
+	"acute":          {GlyphName: "acute", Wx: 333.000000, Wy: 0.000000},
+	"adieresis":      {GlyphName: "adieresis", Wx: 556.000000, Wy: 0.000000},
+	"ae":             {GlyphName: "ae", Wx: 889.000000, Wy: 0.000000},
+	"agrave":         {GlyphName: "agrave", Wx: 556.000000, Wy: 0.000000},
+	"amacron":        {GlyphName: "amacron", Wx: 556.000000, Wy: 0.000000},
+	"ampersand":      {GlyphName: "ampersand", Wx: 667.000000, Wy: 0.000000},
+	"aogonek":        {GlyphName: "aogonek", Wx: 556.000000, Wy: 0.000000},
+	"aring":          {GlyphName: "aring", Wx: 556.000000, Wy: 0.000000},
+	"asciicircum":    {GlyphName: "asciicircum", Wx: 469.000000, Wy: 0.000000},
+	"asciitilde":     {GlyphName: "asciitilde", Wx: 584.000000, Wy: 0.000000},
+	"asterisk":       {GlyphName: "asterisk", Wx: 389.000000, Wy: 0.000000},
+	"at":             {GlyphName: "at", Wx: 1015.000000, Wy: 0.000000},
+	"atilde":         {GlyphName: "atilde", Wx: 556.000000, Wy: 0.000000},
+	"b":              {GlyphName: "b", Wx: 556.000000, Wy: 0.000000},
+	"backslash":      {GlyphName: "backslash", Wx: 278.000000, Wy: 0.000000},
+	"bar":            {GlyphName: "bar", Wx: 260.000000, Wy: 0.000000},
+	"braceleft":      {GlyphName: "braceleft", Wx: 334.000000, Wy: 0.000000},
+	"braceright":     {GlyphName: "braceright", Wx: 334.000000, Wy: 0.000000},
+	"bracketleft":    {GlyphName: "bracketleft", Wx: 278.000000, Wy: 0.000000},
+	"bracketright":   {GlyphName: "bracketright", Wx: 278.000000, Wy: 0.000000},
+	"breve":          {GlyphName: "breve", Wx: 333.000000, Wy: 0.000000},
+	"brokenbar":      {GlyphName: "brokenbar", Wx: 260.000000, Wy: 0.000000},
+	"bullet":         {GlyphName: "bullet", Wx: 350.000000, Wy: 0.000000},
+	"c":              {GlyphName: "c", Wx: 500.000000, Wy: 0.000000},
+	"cacute":         {GlyphName: "cacute", Wx: 500.000000, Wy: 0.000000},
+	"caron":          {GlyphName: "caron", Wx: 333.000000, Wy: 0.000000},
+	"ccaron":         {GlyphName: "ccaron", Wx: 500.000000, Wy: 0.000000},
+	"ccedilla":       {GlyphName: "ccedilla", Wx: 500.000000, Wy: 0.000000},
+	"cedilla":        {GlyphName: "cedilla", Wx: 333.000000, Wy: 0.000000},
+	"cent":           {GlyphName: "cent", Wx: 556.000000, Wy: 0.000000},
+	"circumflex":     {GlyphName: "circumflex", Wx: 333.000000, Wy: 0.000000},
+	"colon":          {GlyphName: "colon", Wx: 278.000000, Wy: 0.000000},
+	"comma":          {GlyphName: "comma", Wx: 278.000000, Wy: 0.000000},
+	"commaaccent":    {GlyphName: "commaaccent", Wx: 250.000000, Wy: 0.000000},
+	"copyright":      {GlyphName: "copyright", Wx: 737.000000, Wy: 0.000000},
+	"currency":       {GlyphName: "currency", Wx: 556.000000, Wy: 0.000000},
+	"d":              {GlyphName: "d", Wx: 556.000000, Wy: 0.000000},
+	"dagger":         {GlyphName: "dagger", Wx: 556.000000, Wy: 0.000000},
+	"daggerdbl":      {GlyphName: "daggerdbl", Wx: 556.000000, Wy: 0.000000},
+	"dcaron":         {GlyphName: "dcaron", Wx: 643.000000, Wy: 0.000000},
+	"dcroat":         {GlyphName: "dcroat", Wx: 556.000000, Wy: 0.000000},
+	"degree":         {GlyphName: "degree", Wx: 400.000000, Wy: 0.000000},
+	"dieresis":       {GlyphName: "dieresis", Wx: 333.000000, Wy: 0.000000},
+	"divide":         {GlyphName: "divide", Wx: 584.000000, Wy: 0.000000},
+	"dollar":         {GlyphName: "dollar", Wx: 556.000000, Wy: 0.000000},
+	"dotaccent":      {GlyphName: "dotaccent", Wx: 333.000000, Wy: 0.000000},
+	"dotlessi":       {GlyphName: "dotlessi", Wx: 278.000000, Wy: 0.000000},
+	"e":              {GlyphName: "e", Wx: 556.000000, Wy: 0.000000},
+	"eacute":         {GlyphName: "eacute", Wx: 556.000000, Wy: 0.000000},
+	"ecaron":         {GlyphName: "ecaron", Wx: 556.000000, Wy: 0.000000},
+	"ecircumflex":    {GlyphName: "ecircumflex", Wx: 556.000000, Wy: 0.000000},
+	"edieresis":      {GlyphName: "edieresis", Wx: 556.000000, Wy: 0.000000},
+	"edotaccent":     {GlyphName: "edotaccent", Wx: 556.000000, Wy: 0.000000},
+	"egrave":         {GlyphName: "egrave", Wx: 556.000000, Wy: 0.000000},
+	"eight":          {GlyphName: "eight", Wx: 556.000000, Wy: 0.000000},
+	"ellipsis":       {GlyphName: "ellipsis", Wx: 1000.000000, Wy: 0.000000},
+	"emacron":        {GlyphName: "emacron", Wx: 556.000000, Wy: 0.000000},
+	"emdash":         {GlyphName: "emdash", Wx: 1000.000000, Wy: 0.000000},
+	"endash":         {GlyphName: "endash", Wx: 556.000000, Wy: 0.000000},
+	"eogonek":        {GlyphName: "eogonek", Wx: 556.000000, Wy: 0.000000},
+	"equal":          {GlyphName: "equal", Wx: 584.000000, Wy: 0.000000},
+	"eth":            {GlyphName: "eth", Wx: 556.000000, Wy: 0.000000},
+	"exclam":         {GlyphName: "exclam", Wx: 278.000000, Wy: 0.000000},
+	"exclamdown":     {GlyphName: "exclamdown", Wx: 333.000000, Wy: 0.000000},
+	"f":              {GlyphName: "f", Wx: 278.000000, Wy: 0.000000},
+	"fi":             {GlyphName: "fi", Wx: 500.000000, Wy: 0.000000},
+	"five":           {GlyphName: "five", Wx: 556.000000, Wy: 0.000000},
+	"fl":             {GlyphName: "fl", Wx: 500.000000, Wy: 0.000000},
+	"florin":         {GlyphName: "florin", Wx: 556.000000, Wy: 0.000000},
+	"four":           {GlyphName: "four", Wx: 556.000000, Wy: 0.000000},
+	"fraction":       {GlyphName: "fraction", Wx: 167.000000, Wy: 0.000000},
+	"g":              {GlyphName: "g", Wx: 556.000000, Wy: 0.000000},
+	"gbreve":         {GlyphName: "gbreve", Wx: 556.000000, Wy: 0.000000},
+	"gcommaaccent":   {GlyphName: "gcommaaccent", Wx: 556.000000, Wy: 0.000000},
+	"germandbls":     {GlyphName: "germandbls", Wx: 611.000000, Wy: 0.000000},
+	"grave":          {GlyphName: "grave", Wx: 333.000000, Wy: 0.000000},
+	"greater":        {GlyphName: "greater", Wx: 584.000000, Wy: 0.000000},
+	"greaterequal":   {GlyphName: "greaterequal", Wx: 549.000000, Wy: 0.000000},
+	"guillemotleft":  {GlyphName: "guillemotleft", Wx: 556.000000, Wy: 0.000000},
+	"guillemotright": {GlyphName: "guillemotright", Wx: 556.000000, Wy: 0.000000},
+	"guilsinglleft":  {GlyphName: "guilsinglleft", Wx: 333.000000, Wy: 0.000000},
+	"guilsinglright": {GlyphName: "guilsinglright", Wx: 333.000000, Wy: 0.000000},
+	"h":              {GlyphName: "h", Wx: 556.000000, Wy: 0.000000},
+	"hungarumlaut":   {GlyphName: "hungarumlaut", Wx: 333.000000, Wy: 0.000000},
+	"hyphen":         {GlyphName: "hyphen", Wx: 333.000000, Wy: 0.000000},
+	"i":              {GlyphName: "i", Wx: 222.000000, Wy: 0.000000},
+	"iacute":         {GlyphName: "iacute", Wx: 278.000000, Wy: 0.000000},
+	"icircumflex":    {GlyphName: "icircumflex", Wx: 278.000000, Wy: 0.000000},
+	"idieresis":      {GlyphName: "idieresis", Wx: 278.000000, Wy: 0.000000},
+	"igrave":         {GlyphName: "igrave", Wx: 278.000000, Wy: 0.000000},
+	"imacron":        {GlyphName: "imacron", Wx: 278.000000, Wy: 0.000000},
+	"iogonek":        {GlyphName: "iogonek", Wx: 222.000000, Wy: 0.000000},
+	"j":              {GlyphName: "j", Wx: 222.000000, Wy: 0.000000},
+	"k":              {GlyphName: "k", Wx: 500.000000, Wy: 0.000000},
+	"kcommaaccent":   {GlyphName: "kcommaaccent", Wx: 500.000000, Wy: 0.000000},
+	"l":              {GlyphName: "l", Wx: 222.000000, Wy: 0.000000},
+	"lacute":         {GlyphName: "lacute", Wx: 222.000000, Wy: 0.000000},
+	"lcaron":         {GlyphName: "lcaron", Wx: 299.000000, Wy: 0.000000},
+	"lcommaaccent":   {GlyphName: "lcommaaccent", Wx: 222.000000, Wy: 0.000000},
+	"less":           {GlyphName: "less", Wx: 584.000000, Wy: 0.000000},
+	"lessequal":      {GlyphName: "lessequal", Wx: 549.000000, Wy: 0.000000},
+	"logicalnot":     {GlyphName: "logicalnot", Wx: 584.000000, Wy: 0.000000},
+	"lozenge":        {GlyphName: "lozenge", Wx: 471.000000, Wy: 0.000000},
+	"lslash":         {GlyphName: "lslash", Wx: 222.000000, Wy: 0.000000},
+	"m":              {GlyphName: "m", Wx: 833.000000, Wy: 0.000000},
+	"macron":         {GlyphName: "macron", Wx: 333.000000, Wy: 0.000000},
+	"minus":          {GlyphName: "minus", Wx: 584.000000, Wy: 0.000000},
+	"mu":             {GlyphName: "mu", Wx: 556.000000, Wy: 0.000000},
+	"multiply":       {GlyphName: "multiply", Wx: 584.000000, Wy: 0.000000},
+	"n":              {GlyphName: "n", Wx: 556.000000, Wy: 0.000000},
+	"nacute":         {GlyphName: "nacute", Wx: 556.000000, Wy: 0.000000},
+	"ncaron":         {GlyphName: "ncaron", Wx: 556.000000, Wy: 0.000000},
+	"ncommaaccent":   {GlyphName: "ncommaaccent", Wx: 556.000000, Wy: 0.000000},
+	"nine":           {GlyphName: "nine", Wx: 556.000000, Wy: 0.000000},
+	"notequal":       {GlyphName: "notequal", Wx: 549.000000, Wy: 0.000000},
+	"ntilde":         {GlyphName: "ntilde", Wx: 556.000000, Wy: 0.000000},
+	"numbersign":     {GlyphName: "numbersign", Wx: 556.000000, Wy: 0.000000},
+	"o":              {GlyphName: "o", Wx: 556.000000, Wy: 0.000000},
+	"oacute":         {GlyphName: "oacute", Wx: 556.000000, Wy: 0.000000},
+	"ocircumflex":    {GlyphName: "ocircumflex", Wx: 556.000000, Wy: 0.000000},
+	"odieresis":      {GlyphName: "odieresis", Wx: 556.000000, Wy: 0.000000},
+	"oe":             {GlyphName: "oe", Wx: 944.000000, Wy: 0.000000},
+	"ogonek":         {GlyphName: "ogonek", Wx: 333.000000, Wy: 0.000000},
+	"ograve":         {GlyphName: "ograve", Wx: 556.000000, Wy: 0.000000},
+	"ohungarumlaut":  {GlyphName: "ohungarumlaut", Wx: 556.000000, Wy: 0.000000},
+	"omacron":        {GlyphName: "omacron", Wx: 556.000000, Wy: 0.000000},
+	"one":            {GlyphName: "one", Wx: 556.000000, Wy: 0.000000},
+	"onehalf":        {GlyphName: "onehalf", Wx: 834.000000, Wy: 0.000000},
+	"onequarter":     {GlyphName: "onequarter", Wx: 834.000000, Wy: 0.000000},
+	"onesuperior":    {GlyphName: "onesuperior", Wx: 333.000000, Wy: 0.000000},
+	"ordfeminine":    {GlyphName: "ordfeminine", Wx: 370.000000, Wy: 0.000000},
+	"ordmasculine":   {GlyphName: "ordmasculine", Wx: 365.000000, Wy: 0.000000},
+	"oslash":         {GlyphName: "oslash", Wx: 611.000000, Wy: 0.000000},
+	"otilde":         {GlyphName: "otilde", Wx: 556.000000, Wy: 0.000000},
+	"p":              {GlyphName: "p", Wx: 556.000000, Wy: 0.000000},
+	"paragraph":      {GlyphName: "paragraph", Wx: 537.000000, Wy: 0.000000},
+	"parenleft":      {GlyphName: "parenleft", Wx: 333.000000, Wy: 0.000000},
+	"parenright":     {GlyphName: "parenright", Wx: 333.000000, Wy: 0.000000},
+	"partialdiff":    {GlyphName: "partialdiff", Wx: 476.000000, Wy: 0.000000},
+	"percent":        {GlyphName: "percent", Wx: 889.000000, Wy: 0.000000},
+	"period":         {GlyphName: "period", Wx: 278.000000, Wy: 0.000000},
+	"periodcentered": {GlyphName: "periodcentered", Wx: 278.000000, Wy: 0.000000},
+	"perthousand":    {GlyphName: "perthousand", Wx: 1000.000000, Wy: 0.000000},
+	"plus":           {GlyphName: "plus", Wx: 584.000000, Wy: 0.000000},
+	"plusminus":      {GlyphName: "plusminus", Wx: 584.000000, Wy: 0.000000},
+	"q":              {GlyphName: "q", Wx: 556.000000, Wy: 0.000000},
+	"question":       {GlyphName: "question", Wx: 556.000000, Wy: 0.000000},
+	"questiondown":   {GlyphName: "questiondown", Wx: 611.000000, Wy: 0.000000},
+	"quotedbl":       {GlyphName: "quotedbl", Wx: 355.000000, Wy: 0.000000},
+	"quotedblbase":   {GlyphName: "quotedblbase", Wx: 333.000000, Wy: 0.000000},
+	"quotedblleft":   {GlyphName: "quotedblleft", Wx: 333.000000, Wy: 0.000000},
+	"quotedblright":  {GlyphName: "quotedblright", Wx: 333.000000, Wy: 0.000000},
+	"quoteleft":      {GlyphName: "quoteleft", Wx: 222.000000, Wy: 0.000000},
+	"quoteright":     {GlyphName: "quoteright", Wx: 222.000000, Wy: 0.000000},
+	"quotesinglbase": {GlyphName: "quotesinglbase", Wx: 222.000000, Wy: 0.000000},
+	"quotesingle":    {GlyphName: "quotesingle", Wx: 191.000000, Wy: 0.000000},
+	"r":              {GlyphName: "r", Wx: 333.000000, Wy: 0.000000},
+	"racute":         {GlyphName: "racute", Wx: 333.000000, Wy: 0.000000},
+	"radical":        {GlyphName: "radical", Wx: 453.000000, Wy: 0.000000},
+	"rcaron":         {GlyphName: "rcaron", Wx: 333.000000, Wy: 0.000000},
+	"rcommaaccent":   {GlyphName: "rcommaaccent", Wx: 333.000000, Wy: 0.000000},
+	"registered":     {GlyphName: "registered", Wx: 737.000000, Wy: 0.000000},
+	"ring":           {GlyphName: "ring", Wx: 333.000000, Wy: 0.000000},
+	"s":              {GlyphName: "s", Wx: 500.000000, Wy: 0.000000},
+	"sacute":         {GlyphName: "sacute", Wx: 500.000000, Wy: 0.000000},
+	"scaron":         {GlyphName: "scaron", Wx: 500.000000, Wy: 0.000000},
+	"scedilla":       {GlyphName: "scedilla", Wx: 500.000000, Wy: 0.000000},
+	"scommaaccent":   {GlyphName: "scommaaccent", Wx: 500.000000, Wy: 0.000000},
+	"section":        {GlyphName: "section", Wx: 556.000000, Wy: 0.000000},
+	"semicolon":      {GlyphName: "semicolon", Wx: 278.000000, Wy: 0.000000},
+	"seven":          {GlyphName: "seven", Wx: 556.000000, Wy: 0.000000},
+	"six":            {GlyphName: "six", Wx: 556.000000, Wy: 0.000000},
+	"slash":          {GlyphName: "slash", Wx: 278.000000, Wy: 0.000000},
+	"space":          {GlyphName: "space", Wx: 278.000000, Wy: 0.000000},
+	"sterling":       {GlyphName: "sterling", Wx: 556.000000, Wy: 0.000000},
+	"summation":      {GlyphName: "summation", Wx: 600.000000, Wy: 0.000000},
+	"t":              {GlyphName: "t", Wx: 278.000000, Wy: 0.000000},
+	"tcaron":         {GlyphName: "tcaron", Wx: 317.000000, Wy: 0.000000},
+	"tcommaaccent":   {GlyphName: "tcommaaccent", Wx: 278.000000, Wy: 0.000000},
+	"thorn":          {GlyphName: "thorn", Wx: 556.000000, Wy: 0.000000},
+	"three":          {GlyphName: "three", Wx: 556.000000, Wy: 0.000000},
+	"threequarters":  {GlyphName: "threequarters", Wx: 834.000000, Wy: 0.000000},
+	"threesuperior":  {GlyphName: "threesuperior", Wx: 333.000000, Wy: 0.000000},
+	"tilde":          {GlyphName: "tilde", Wx: 333.000000, Wy: 0.000000},
+	"trademark":      {GlyphName: "trademark", Wx: 1000.000000, Wy: 0.000000},
+	"two":            {GlyphName: "two", Wx: 556.000000, Wy: 0.000000},
+	"twosuperior":    {GlyphName: "twosuperior", Wx: 333.000000, Wy: 0.000000},
+	"u":              {GlyphName: "u", Wx: 556.000000, Wy: 0.000000},
+	"uacute":         {GlyphName: "uacute", Wx: 556.000000, Wy: 0.000000},
+	"ucircumflex":    {GlyphName: "ucircumflex", Wx: 556.000000, Wy: 0.000000},
+	"udieresis":      {GlyphName: "udieresis", Wx: 556.000000, Wy: 0.000000},
+	"ugrave":         {GlyphName: "ugrave", Wx: 556.000000, Wy: 0.000000},
+	"uhungarumlaut":  {GlyphName: "uhungarumlaut", Wx: 556.000000, Wy: 0.000000},
+	"umacron":        {GlyphName: "umacron", Wx: 556.000000, Wy: 0.000000},
+	"underscore":     {GlyphName: "underscore", Wx: 556.000000, Wy: 0.000000},
+	"uogonek":        {GlyphName: "uogonek", Wx: 556.000000, Wy: 0.000000},
+	"uring":          {GlyphName: "uring", Wx: 556.000000, Wy: 0.000000},
+	"v":              {GlyphName: "v", Wx: 500.000000, Wy: 0.000000},
+	"w":              {GlyphName: "w", Wx: 722.000000, Wy: 0.000000},
+	"x":              {GlyphName: "x", Wx: 500.000000, Wy: 0.000000},
+	"y":              {GlyphName: "y", Wx: 500.000000, Wy: 0.000000},
+	"yacute":         {GlyphName: "yacute", Wx: 500.000000, Wy: 0.000000},
+	"ydieresis":      {GlyphName: "ydieresis", Wx: 500.000000, Wy: 0.000000},
+	"yen":            {GlyphName: "yen", Wx: 556.000000, Wy: 0.000000},
+	"z":              {GlyphName: "z", Wx: 500.000000, Wy: 0.000000},
+	"zacute":         {GlyphName: "zacute", Wx: 500.000000, Wy: 0.000000},
+	"zcaron":         {GlyphName: "zcaron", Wx: 500.000000, Wy: 0.000000},
+	"zdotaccent":     {GlyphName: "zdotaccent", Wx: 500.000000, Wy: 0.000000},
+	"zero":           {GlyphName: "zero", Wx: 556.000000, Wy: 0.000000},
+}

internal/pdf/model/fonts/symbol.go

@@ -0,0 +1,239 @@
+package fonts
+
+import (
+	"gitea.tecamino.com/paadi/pdfmerge/internal/pdf/core"
+	"gitea.tecamino.com/paadi/pdfmerge/internal/pdf/model/textencoding"
+)
+
+// Font Symbol.  Implements Font interface.
+// This is a built-in font and it is assumed that every reader has access to it.
+type fontSymbol struct {
+	// By default encoder is not set, which means that we use the font's built in encoding.
+	encoder textencoding.TextEncoder
+}
+
+func NewFontSymbol() fontSymbol {
+	font := fontSymbol{}
+	return font
+}
+
+func (font fontSymbol) SetEncoder(encoder textencoding.TextEncoder) {
+	font.encoder = encoder
+}
+
+func (font fontSymbol) GetGlyphCharMetrics(glyph string) (CharMetrics, bool) {
+	metrics, has := symbolCharMetrics[glyph]
+	if !has {
+		return metrics, false
+	}
+
+	return metrics, true
+}
+
+func (font fontSymbol) ToPdfObject() core.PdfObject {
+	obj := &core.PdfIndirectObject{}
+
+	fontDict := core.MakeDict()
+	fontDict.Set("Type", core.MakeName("Font"))
+	fontDict.Set("Subtype", core.MakeName("Type1"))
+	fontDict.Set("BaseFont", core.MakeName("Symbol"))
+	if font.encoder != nil {
+		fontDict.Set("Encoding", font.encoder.ToPdfObject())
+	}
+
+	obj.PdfObject = fontDict
+	return obj
+}
+
+var symbolCharMetrics map[string]CharMetrics = map[string]CharMetrics{
+	"Alpha":          {GlyphName: "Alpha", Wx: 722.000000, Wy: 0.000000},
+	"Beta":           {GlyphName: "Beta", Wx: 667.000000, Wy: 0.000000},
+	"Chi":            {GlyphName: "Chi", Wx: 722.000000, Wy: 0.000000},
+	"Delta":          {GlyphName: "Delta", Wx: 612.000000, Wy: 0.000000},
+	"Epsilon":        {GlyphName: "Epsilon", Wx: 611.000000, Wy: 0.000000},
+	"Eta":            {GlyphName: "Eta", Wx: 722.000000, Wy: 0.000000},
+	"Euro":           {GlyphName: "Euro", Wx: 750.000000, Wy: 0.000000},
+	"Gamma":          {GlyphName: "Gamma", Wx: 603.000000, Wy: 0.000000},
+	"Ifraktur":       {GlyphName: "Ifraktur", Wx: 686.000000, Wy: 0.000000},
+	"Iota":           {GlyphName: "Iota", Wx: 333.000000, Wy: 0.000000},
+	"Kappa":          {GlyphName: "Kappa", Wx: 722.000000, Wy: 0.000000},
+	"Lambda":         {GlyphName: "Lambda", Wx: 686.000000, Wy: 0.000000},
+	"Mu":             {GlyphName: "Mu", Wx: 889.000000, Wy: 0.000000},
+	"Nu":             {GlyphName: "Nu", Wx: 722.000000, Wy: 0.000000},
+	"Omega":          {GlyphName: "Omega", Wx: 768.000000, Wy: 0.000000},
+	"Omicron":        {GlyphName: "Omicron", Wx: 722.000000, Wy: 0.000000},
+	"Phi":            {GlyphName: "Phi", Wx: 763.000000, Wy: 0.000000},
+	"Pi":             {GlyphName: "Pi", Wx: 768.000000, Wy: 0.000000},
+	"Psi":            {GlyphName: "Psi", Wx: 795.000000, Wy: 0.000000},
+	"Rfraktur":       {GlyphName: "Rfraktur", Wx: 795.000000, Wy: 0.000000},
+	"Rho":            {GlyphName: "Rho", Wx: 556.000000, Wy: 0.000000},
+	"Sigma":          {GlyphName: "Sigma", Wx: 592.000000, Wy: 0.000000},
+	"Tau":            {GlyphName: "Tau", Wx: 611.000000, Wy: 0.000000},
+	"Theta":          {GlyphName: "Theta", Wx: 741.000000, Wy: 0.000000},
+	"Upsilon":        {GlyphName: "Upsilon", Wx: 690.000000, Wy: 0.000000},
+	"Upsilon1":       {GlyphName: "Upsilon1", Wx: 620.000000, Wy: 0.000000},
+	"Xi":             {GlyphName: "Xi", Wx: 645.000000, Wy: 0.000000},
+	"Zeta":           {GlyphName: "Zeta", Wx: 611.000000, Wy: 0.000000},
+	"aleph":          {GlyphName: "aleph", Wx: 823.000000, Wy: 0.000000},
+	"alpha":          {GlyphName: "alpha", Wx: 631.000000, Wy: 0.000000},
+	"ampersand":      {GlyphName: "ampersand", Wx: 778.000000, Wy: 0.000000},
+	"angle":          {GlyphName: "angle", Wx: 768.000000, Wy: 0.000000},
+	"angleleft":      {GlyphName: "angleleft", Wx: 329.000000, Wy: 0.000000},
+	"angleright":     {GlyphName: "angleright", Wx: 329.000000, Wy: 0.000000},
+	"apple":          {GlyphName: "apple", Wx: 790.000000, Wy: 0.000000},
+	"approxequal":    {GlyphName: "approxequal", Wx: 549.000000, Wy: 0.000000},
+	"arrowboth":      {GlyphName: "arrowboth", Wx: 1042.000000, Wy: 0.000000},
+	"arrowdblboth":   {GlyphName: "arrowdblboth", Wx: 1042.000000, Wy: 0.000000},
+	"arrowdbldown":   {GlyphName: "arrowdbldown", Wx: 603.000000, Wy: 0.000000},
+	"arrowdblleft":   {GlyphName: "arrowdblleft", Wx: 987.000000, Wy: 0.000000},
+	"arrowdblright":  {GlyphName: "arrowdblright", Wx: 987.000000, Wy: 0.000000},
+	"arrowdblup":     {GlyphName: "arrowdblup", Wx: 603.000000, Wy: 0.000000},
+	"arrowdown":      {GlyphName: "arrowdown", Wx: 603.000000, Wy: 0.000000},
+	"arrowhorizex":   {GlyphName: "arrowhorizex", Wx: 1000.000000, Wy: 0.000000},
+	"arrowleft":      {GlyphName: "arrowleft", Wx: 987.000000, Wy: 0.000000},
+	"arrowright":     {GlyphName: "arrowright", Wx: 987.000000, Wy: 0.000000},
+	"arrowup":        {GlyphName: "arrowup", Wx: 603.000000, Wy: 0.000000},
+	"arrowvertex":    {GlyphName: "arrowvertex", Wx: 603.000000, Wy: 0.000000},
+	"asteriskmath":   {GlyphName: "asteriskmath", Wx: 500.000000, Wy: 0.000000},
+	"bar":            {GlyphName: "bar", Wx: 200.000000, Wy: 0.000000},
+	"beta":           {GlyphName: "beta", Wx: 549.000000, Wy: 0.000000},
+	"braceex":        {GlyphName: "braceex", Wx: 494.000000, Wy: 0.000000},
+	"braceleft":      {GlyphName: "braceleft", Wx: 480.000000, Wy: 0.000000},
+	"braceleftbt":    {GlyphName: "braceleftbt", Wx: 494.000000, Wy: 0.000000},
+	"braceleftmid":   {GlyphName: "braceleftmid", Wx: 494.000000, Wy: 0.000000},
+	"bracelefttp":    {GlyphName: "bracelefttp", Wx: 494.000000, Wy: 0.000000},
+	"braceright":     {GlyphName: "braceright", Wx: 480.000000, Wy: 0.000000},
+	"bracerightbt":   {GlyphName: "bracerightbt", Wx: 494.000000, Wy: 0.000000},
+	"bracerightmid":  {GlyphName: "bracerightmid", Wx: 494.000000, Wy: 0.000000},
+	"bracerighttp":   {GlyphName: "bracerighttp", Wx: 494.000000, Wy: 0.000000},
+	"bracketleft":    {GlyphName: "bracketleft", Wx: 333.000000, Wy: 0.000000},
+	"bracketleftbt":  {GlyphName: "bracketleftbt", Wx: 384.000000, Wy: 0.000000},
+	"bracketleftex":  {GlyphName: "bracketleftex", Wx: 384.000000, Wy: 0.000000},
+	"bracketlefttp":  {GlyphName: "bracketlefttp", Wx: 384.000000, Wy: 0.000000},
+	"bracketright":   {GlyphName: "bracketright", Wx: 333.000000, Wy: 0.000000},
+	"bracketrightbt": {GlyphName: "bracketrightbt", Wx: 384.000000, Wy: 0.000000},
+	"bracketrightex": {GlyphName: "bracketrightex", Wx: 384.000000, Wy: 0.000000},
+	"bracketrighttp": {GlyphName: "bracketrighttp", Wx: 384.000000, Wy: 0.000000},
+	"bullet":         {GlyphName: "bullet", Wx: 460.000000, Wy: 0.000000},
+	"carriagereturn": {GlyphName: "carriagereturn", Wx: 658.000000, Wy: 0.000000},
+	"chi":            {GlyphName: "chi", Wx: 549.000000, Wy: 0.000000},
+	"circlemultiply": {GlyphName: "circlemultiply", Wx: 768.000000, Wy: 0.000000},
+	"circleplus":     {GlyphName: "circleplus", Wx: 768.000000, Wy: 0.000000},
+	"club":           {GlyphName: "club", Wx: 753.000000, Wy: 0.000000},
+	"colon":          {GlyphName: "colon", Wx: 278.000000, Wy: 0.000000},
+	"comma":          {GlyphName: "comma", Wx: 250.000000, Wy: 0.000000},
+	"congruent":      {GlyphName: "congruent", Wx: 549.000000, Wy: 0.000000},
+	"copyrightsans":  {GlyphName: "copyrightsans", Wx: 790.000000, Wy: 0.000000},
+	"copyrightserif": {GlyphName: "copyrightserif", Wx: 790.000000, Wy: 0.000000},
+	"degree":         {GlyphName: "degree", Wx: 400.000000, Wy: 0.000000},
+	"delta":          {GlyphName: "delta", Wx: 494.000000, Wy: 0.000000},
+	"diamond":        {GlyphName: "diamond", Wx: 753.000000, Wy: 0.000000},
+	"divide":         {GlyphName: "divide", Wx: 549.000000, Wy: 0.000000},
+	"dotmath":        {GlyphName: "dotmath", Wx: 250.000000, Wy: 0.000000},
+	"eight":          {GlyphName: "eight", Wx: 500.000000, Wy: 0.000000},
+	"element":        {GlyphName: "element", Wx: 713.000000, Wy: 0.000000},
+	"ellipsis":       {GlyphName: "ellipsis", Wx: 1000.000000, Wy: 0.000000},
+	"emptyset":       {GlyphName: "emptyset", Wx: 823.000000, Wy: 0.000000},
+	"epsilon":        {GlyphName: "epsilon", Wx: 439.000000, Wy: 0.000000},
+	"equal":          {GlyphName: "equal", Wx: 549.000000, Wy: 0.000000},
+	"equivalence":    {GlyphName: "equivalence", Wx: 549.000000, Wy: 0.000000},
+	"eta":            {GlyphName: "eta", Wx: 603.000000, Wy: 0.000000},
+	"exclam":         {GlyphName: "exclam", Wx: 333.000000, Wy: 0.000000},
+	"existential":    {GlyphName: "existential", Wx: 549.000000, Wy: 0.000000},
+	"five":           {GlyphName: "five", Wx: 500.000000, Wy: 0.000000},
+	"florin":         {GlyphName: "florin", Wx: 500.000000, Wy: 0.000000},
+	"four":           {GlyphName: "four", Wx: 500.000000, Wy: 0.000000},
+	"fraction":       {GlyphName: "fraction", Wx: 167.000000, Wy: 0.000000},
+	"gamma":          {GlyphName: "gamma", Wx: 411.000000, Wy: 0.000000},
+	"gradient":       {GlyphName: "gradient", Wx: 713.000000, Wy: 0.000000},
+	"greater":        {GlyphName: "greater", Wx: 549.000000, Wy: 0.000000},
+	"greaterequal":   {GlyphName: "greaterequal", Wx: 549.000000, Wy: 0.000000},
+	"heart":          {GlyphName: "heart", Wx: 753.000000, Wy: 0.000000},
+	"infinity":       {GlyphName: "infinity", Wx: 713.000000, Wy: 0.000000},
+	"integral":       {GlyphName: "integral", Wx: 274.000000, Wy: 0.000000},
+	"integralbt":     {GlyphName: "integralbt", Wx: 686.000000, Wy: 0.000000},
+	"integralex":     {GlyphName: "integralex", Wx: 686.000000, Wy: 0.000000},
+	"integraltp":     {GlyphName: "integraltp", Wx: 686.000000, Wy: 0.000000},
+	"intersection":   {GlyphName: "intersection", Wx: 768.000000, Wy: 0.000000},
+	"iota":           {GlyphName: "iota", Wx: 329.000000, Wy: 0.000000},
+	"kappa":          {GlyphName: "kappa", Wx: 549.000000, Wy: 0.000000},
+	"lambda":         {GlyphName: "lambda", Wx: 549.000000, Wy: 0.000000},
+	"less":           {GlyphName: "less", Wx: 549.000000, Wy: 0.000000},
+	"lessequal":      {GlyphName: "lessequal", Wx: 549.000000, Wy: 0.000000},
+	"logicaland":     {GlyphName: "logicaland", Wx: 603.000000, Wy: 0.000000},
+	"logicalnot":     {GlyphName: "logicalnot", Wx: 713.000000, Wy: 0.000000},
+	"logicalor":      {GlyphName: "logicalor", Wx: 603.000000, Wy: 0.000000},
+	"lozenge":        {GlyphName: "lozenge", Wx: 494.000000, Wy: 0.000000},
+	"minus":          {GlyphName: "minus", Wx: 549.000000, Wy: 0.000000},
+	"minute":         {GlyphName: "minute", Wx: 247.000000, Wy: 0.000000},
+	"mu":             {GlyphName: "mu", Wx: 576.000000, Wy: 0.000000},
+	"multiply":       {GlyphName: "multiply", Wx: 549.000000, Wy: 0.000000},
+	"nine":           {GlyphName: "nine", Wx: 500.000000, Wy: 0.000000},
+	"notelement":     {GlyphName: "notelement", Wx: 713.000000, Wy: 0.000000},
+	"notequal":       {GlyphName: "notequal", Wx: 549.000000, Wy: 0.000000},
+	"notsubset":      {GlyphName: "notsubset", Wx: 713.000000, Wy: 0.000000},
+	"nu":             {GlyphName: "nu", Wx: 521.000000, Wy: 0.000000},
+	"numbersign":     {GlyphName: "numbersign", Wx: 500.000000, Wy: 0.000000},
+	"omega":          {GlyphName: "omega", Wx: 686.000000, Wy: 0.000000},
+	"omega1":         {GlyphName: "omega1", Wx: 713.000000, Wy: 0.000000},
+	"omicron":        {GlyphName: "omicron", Wx: 549.000000, Wy: 0.000000},
+	"one":            {GlyphName: "one", Wx: 500.000000, Wy: 0.000000},
+	"parenleft":      {GlyphName: "parenleft", Wx: 333.000000, Wy: 0.000000},
+	"parenleftbt":    {GlyphName: "parenleftbt", Wx: 384.000000, Wy: 0.000000},
+	"parenleftex":    {GlyphName: "parenleftex", Wx: 384.000000, Wy: 0.000000},
+	"parenlefttp":    {GlyphName: "parenlefttp", Wx: 384.000000, Wy: 0.000000},
+	"parenright":     {GlyphName: "parenright", Wx: 333.000000, Wy: 0.000000},
+	"parenrightbt":   {GlyphName: "parenrightbt", Wx: 384.000000, Wy: 0.000000},
+	"parenrightex":   {GlyphName: "parenrightex", Wx: 384.000000, Wy: 0.000000},
+	"parenrighttp":   {GlyphName: "parenrighttp", Wx: 384.000000, Wy: 0.000000},
+	"partialdiff":    {GlyphName: "partialdiff", Wx: 494.000000, Wy: 0.000000},
+	"percent":        {GlyphName: "percent", Wx: 833.000000, Wy: 0.000000},
+	"period":         {GlyphName: "period", Wx: 250.000000, Wy: 0.000000},
+	"perpendicular":  {GlyphName: "perpendicular", Wx: 658.000000, Wy: 0.000000},
+	"phi":            {GlyphName: "phi", Wx: 521.000000, Wy: 0.000000},
+	"phi1":           {GlyphName: "phi1", Wx: 603.000000, Wy: 0.000000},
+	"pi":             {GlyphName: "pi", Wx: 549.000000, Wy: 0.000000},
+	"plus":           {GlyphName: "plus", Wx: 549.000000, Wy: 0.000000},
+	"plusminus":      {GlyphName: "plusminus", Wx: 549.000000, Wy: 0.000000},
+	"product":        {GlyphName: "product", Wx: 823.000000, Wy: 0.000000},
+	"propersubset":   {GlyphName: "propersubset", Wx: 713.000000, Wy: 0.000000},
+	"propersuperset": {GlyphName: "propersuperset", Wx: 713.000000, Wy: 0.000000},
+	"proportional":   {GlyphName: "proportional", Wx: 713.000000, Wy: 0.000000},
+	"psi":            {GlyphName: "psi", Wx: 686.000000, Wy: 0.000000},
+	"question":       {GlyphName: "question", Wx: 444.000000, Wy: 0.000000},
+	"radical":        {GlyphName: "radical", Wx: 549.000000, Wy: 0.000000},
+	"radicalex":      {GlyphName: "radicalex", Wx: 500.000000, Wy: 0.000000},
+	"reflexsubset":   {GlyphName: "reflexsubset", Wx: 713.000000, Wy: 0.000000},
+	"reflexsuperset": {GlyphName: "reflexsuperset", Wx: 713.000000, Wy: 0.000000},
+	"registersans":   {GlyphName: "registersans", Wx: 790.000000, Wy: 0.000000},
+	"registerserif":  {GlyphName: "registerserif", Wx: 790.000000, Wy: 0.000000},
+	"rho":            {GlyphName: "rho", Wx: 549.000000, Wy: 0.000000},
+	"second":         {GlyphName: "second", Wx: 411.000000, Wy: 0.000000},
+	"semicolon":      {GlyphName: "semicolon", Wx: 278.000000, Wy: 0.000000},
+	"seven":          {GlyphName: "seven", Wx: 500.000000, Wy: 0.000000},
+	"sigma":          {GlyphName: "sigma", Wx: 603.000000, Wy: 0.000000},
+	"sigma1":         {GlyphName: "sigma1", Wx: 439.000000, Wy: 0.000000},
+	"similar":        {GlyphName: "similar", Wx: 549.000000, Wy: 0.000000},
+	"six":            {GlyphName: "six", Wx: 500.000000, Wy: 0.000000},
+	"slash":          {GlyphName: "slash", Wx: 278.000000, Wy: 0.000000},
+	"space":          {GlyphName: "space", Wx: 250.000000, Wy: 0.000000},
+	"spade":          {GlyphName: "spade", Wx: 753.000000, Wy: 0.000000},
+	"suchthat":       {GlyphName: "suchthat", Wx: 439.000000, Wy: 0.000000},
+	"summation":      {GlyphName: "summation", Wx: 713.000000, Wy: 0.000000},
+	"tau":            {GlyphName: "tau", Wx: 439.000000, Wy: 0.000000},
+	"therefore":      {GlyphName: "therefore", Wx: 863.000000, Wy: 0.000000},
+	"theta":          {GlyphName: "theta", Wx: 521.000000, Wy: 0.000000},
+	"theta1":         {GlyphName: "theta1", Wx: 631.000000, Wy: 0.000000},
+	"three":          {GlyphName: "three", Wx: 500.000000, Wy: 0.000000},
+	"trademarksans":  {GlyphName: "trademarksans", Wx: 786.000000, Wy: 0.000000},
+	"trademarkserif": {GlyphName: "trademarkserif", Wx: 890.000000, Wy: 0.000000},
+	"two":            {GlyphName: "two", Wx: 500.000000, Wy: 0.000000},
+	"underscore":     {GlyphName: "underscore", Wx: 500.000000, Wy: 0.000000},
+	"union":          {GlyphName: "union", Wx: 768.000000, Wy: 0.000000},
+	"universal":      {GlyphName: "universal", Wx: 713.000000, Wy: 0.000000},
+	"upsilon":        {GlyphName: "upsilon", Wx: 576.000000, Wy: 0.000000},
+	"weierstrass":    {GlyphName: "weierstrass", Wx: 987.000000, Wy: 0.000000},
+	"xi":             {GlyphName: "xi", Wx: 493.000000, Wy: 0.000000},
+	"zero":           {GlyphName: "zero", Wx: 500.000000, Wy: 0.000000},
+	"zeta":           {GlyphName: "zeta", Wx: 494.000000, Wy: 0.000000},
+}

internal/pdf/model/fonts/times_bold.go

@@ -0,0 +1,362 @@
+package fonts
+
+import (
+	"gitea.tecamino.com/paadi/pdfmerge/internal/pdf/core"
+	"gitea.tecamino.com/paadi/pdfmerge/internal/pdf/model/textencoding"
+)
+
+// Font Times-Bold.  Implements Font interface.
+// This is a built-in font and it is assumed that every reader has access to it.
+type fontTimesBold struct {
+	encoder textencoding.TextEncoder
+}
+
+func NewFontTimesBold() fontTimesBold {
+	font := fontTimesBold{}
+	font.encoder = textencoding.NewWinAnsiTextEncoder() // Default
+	return font
+}
+
+func (font fontTimesBold) SetEncoder(encoder textencoding.TextEncoder) {
+	font.encoder = encoder
+}
+
+func (font fontTimesBold) GetGlyphCharMetrics(glyph string) (CharMetrics, bool) {
+	metrics, has := timesBoldCharMetrics[glyph]
+	if !has {
+		return metrics, false
+	}
+
+	return metrics, true
+}
+
+func (font fontTimesBold) ToPdfObject() core.PdfObject {
+	obj := &core.PdfIndirectObject{}
+
+	fontDict := core.MakeDict()
+	fontDict.Set("Type", core.MakeName("Font"))
+	fontDict.Set("Subtype", core.MakeName("Type1"))
+	fontDict.Set("BaseFont", core.MakeName("Times-Bold"))
+	fontDict.Set("Encoding", font.encoder.ToPdfObject())
+
+	obj.PdfObject = fontDict
+	return obj
+}
+
+var timesBoldCharMetrics map[string]CharMetrics = map[string]CharMetrics{
+	"A":              {GlyphName: "A", Wx: 722.000000, Wy: 0.000000},
+	"AE":             {GlyphName: "AE", Wx: 1000.000000, Wy: 0.000000},
+	"Aacute":         {GlyphName: "Aacute", Wx: 722.000000, Wy: 0.000000},
+	"Abreve":         {GlyphName: "Abreve", Wx: 722.000000, Wy: 0.000000},
+	"Acircumflex":    {GlyphName: "Acircumflex", Wx: 722.000000, Wy: 0.000000},
+	"Adieresis":      {GlyphName: "Adieresis", Wx: 722.000000, Wy: 0.000000},
+	"Agrave":         {GlyphName: "Agrave", Wx: 722.000000, Wy: 0.000000},
+	"Amacron":        {GlyphName: "Amacron", Wx: 722.000000, Wy: 0.000000},
+	"Aogonek":        {GlyphName: "Aogonek", Wx: 722.000000, Wy: 0.000000},
+	"Aring":          {GlyphName: "Aring", Wx: 722.000000, Wy: 0.000000},
+	"Atilde":         {GlyphName: "Atilde", Wx: 722.000000, Wy: 0.000000},
+	"B":              {GlyphName: "B", Wx: 667.000000, Wy: 0.000000},
+	"C":              {GlyphName: "C", Wx: 722.000000, Wy: 0.000000},
+	"Cacute":         {GlyphName: "Cacute", Wx: 722.000000, Wy: 0.000000},
+	"Ccaron":         {GlyphName: "Ccaron", Wx: 722.000000, Wy: 0.000000},
+	"Ccedilla":       {GlyphName: "Ccedilla", Wx: 722.000000, Wy: 0.000000},
+	"D":              {GlyphName: "D", Wx: 722.000000, Wy: 0.000000},
+	"Dcaron":         {GlyphName: "Dcaron", Wx: 722.000000, Wy: 0.000000},
+	"Dcroat":         {GlyphName: "Dcroat", Wx: 722.000000, Wy: 0.000000},
+	"Delta":          {GlyphName: "Delta", Wx: 612.000000, Wy: 0.000000},
+	"E":              {GlyphName: "E", Wx: 667.000000, Wy: 0.000000},
+	"Eacute":         {GlyphName: "Eacute", Wx: 667.000000, Wy: 0.000000},
+	"Ecaron":         {GlyphName: "Ecaron", Wx: 667.000000, Wy: 0.000000},
+	"Ecircumflex":    {GlyphName: "Ecircumflex", Wx: 667.000000, Wy: 0.000000},
+	"Edieresis":      {GlyphName: "Edieresis", Wx: 667.000000, Wy: 0.000000},
+	"Edotaccent":     {GlyphName: "Edotaccent", Wx: 667.000000, Wy: 0.000000},
+	"Egrave":         {GlyphName: "Egrave", Wx: 667.000000, Wy: 0.000000},
+	"Emacron":        {GlyphName: "Emacron", Wx: 667.000000, Wy: 0.000000},
+	"Eogonek":        {GlyphName: "Eogonek", Wx: 667.000000, Wy: 0.000000},
+	"Eth":            {GlyphName: "Eth", Wx: 722.000000, Wy: 0.000000},
+	"Euro":           {GlyphName: "Euro", Wx: 500.000000, Wy: 0.000000},
+	"F":              {GlyphName: "F", Wx: 611.000000, Wy: 0.000000},
+	"G":              {GlyphName: "G", Wx: 778.000000, Wy: 0.000000},
+	"Gbreve":         {GlyphName: "Gbreve", Wx: 778.000000, Wy: 0.000000},
+	"Gcommaaccent":   {GlyphName: "Gcommaaccent", Wx: 778.000000, Wy: 0.000000},
+	"H":              {GlyphName: "H", Wx: 778.000000, Wy: 0.000000},
+	"I":              {GlyphName: "I", Wx: 389.000000, Wy: 0.000000},
+	"Iacute":         {GlyphName: "Iacute", Wx: 389.000000, Wy: 0.000000},
+	"Icircumflex":    {GlyphName: "Icircumflex", Wx: 389.000000, Wy: 0.000000},
+	"Idieresis":      {GlyphName: "Idieresis", Wx: 389.000000, Wy: 0.000000},
+	"Idotaccent":     {GlyphName: "Idotaccent", Wx: 389.000000, Wy: 0.000000},
+	"Igrave":         {GlyphName: "Igrave", Wx: 389.000000, Wy: 0.000000},
+	"Imacron":        {GlyphName: "Imacron", Wx: 389.000000, Wy: 0.000000},
+	"Iogonek":        {GlyphName: "Iogonek", Wx: 389.000000, Wy: 0.000000},
+	"J":              {GlyphName: "J", Wx: 500.000000, Wy: 0.000000},
+	"K":              {GlyphName: "K", Wx: 778.000000, Wy: 0.000000},
+	"Kcommaaccent":   {GlyphName: "Kcommaaccent", Wx: 778.000000, Wy: 0.000000},
+	"L":              {GlyphName: "L", Wx: 667.000000, Wy: 0.000000},
+	"Lacute":         {GlyphName: "Lacute", Wx: 667.000000, Wy: 0.000000},
+	"Lcaron":         {GlyphName: "Lcaron", Wx: 667.000000, Wy: 0.000000},
+	"Lcommaaccent":   {GlyphName: "Lcommaaccent", Wx: 667.000000, Wy: 0.000000},
+	"Lslash":         {GlyphName: "Lslash", Wx: 667.000000, Wy: 0.000000},
+	"M":              {GlyphName: "M", Wx: 944.000000, Wy: 0.000000},
+	"N":              {GlyphName: "N", Wx: 722.000000, Wy: 0.000000},
+	"Nacute":         {GlyphName: "Nacute", Wx: 722.000000, Wy: 0.000000},
+	"Ncaron":         {GlyphName: "Ncaron", Wx: 722.000000, Wy: 0.000000},
+	"Ncommaaccent":   {GlyphName: "Ncommaaccent", Wx: 722.000000, Wy: 0.000000},
+	"Ntilde":         {GlyphName: "Ntilde", Wx: 722.000000, Wy: 0.000000},
+	"O":              {GlyphName: "O", Wx: 778.000000, Wy: 0.000000},
+	"OE":             {GlyphName: "OE", Wx: 1000.000000, Wy: 0.000000},
+	"Oacute":         {GlyphName: "Oacute", Wx: 778.000000, Wy: 0.000000},
+	"Ocircumflex":    {GlyphName: "Ocircumflex", Wx: 778.000000, Wy: 0.000000},
+	"Odieresis":      {GlyphName: "Odieresis", Wx: 778.000000, Wy: 0.000000},
+	"Ograve":         {GlyphName: "Ograve", Wx: 778.000000, Wy: 0.000000},
+	"Ohungarumlaut":  {GlyphName: "Ohungarumlaut", Wx: 778.000000, Wy: 0.000000},
+	"Omacron":        {GlyphName: "Omacron", Wx: 778.000000, Wy: 0.000000},
+	"Oslash":         {GlyphName: "Oslash", Wx: 778.000000, Wy: 0.000000},
+	"Otilde":         {GlyphName: "Otilde", Wx: 778.000000, Wy: 0.000000},
+	"P":              {GlyphName: "P", Wx: 611.000000, Wy: 0.000000},
+	"Q":              {GlyphName: "Q", Wx: 778.000000, Wy: 0.000000},
+	"R":              {GlyphName: "R", Wx: 722.000000, Wy: 0.000000},
+	"Racute":         {GlyphName: "Racute", Wx: 722.000000, Wy: 0.000000},
+	"Rcaron":         {GlyphName: "Rcaron", Wx: 722.000000, Wy: 0.000000},
+	"Rcommaaccent":   {GlyphName: "Rcommaaccent", Wx: 722.000000, Wy: 0.000000},
+	"S":              {GlyphName: "S", Wx: 556.000000, Wy: 0.000000},
+	"Sacute":         {GlyphName: "Sacute", Wx: 556.000000, Wy: 0.000000},
+	"Scaron":         {GlyphName: "Scaron", Wx: 556.000000, Wy: 0.000000},
+	"Scedilla":       {GlyphName: "Scedilla", Wx: 556.000000, Wy: 0.000000},
+	"Scommaaccent":   {GlyphName: "Scommaaccent", Wx: 556.000000, Wy: 0.000000},
+	"T":              {GlyphName: "T", Wx: 667.000000, Wy: 0.000000},
+	"Tcaron":         {GlyphName: "Tcaron", Wx: 667.000000, Wy: 0.000000},
+	"Tcommaaccent":   {GlyphName: "Tcommaaccent", Wx: 667.000000, Wy: 0.000000},
+	"Thorn":          {GlyphName: "Thorn", Wx: 611.000000, Wy: 0.000000},
+	"U":              {GlyphName: "U", Wx: 722.000000, Wy: 0.000000},
+	"Uacute":         {GlyphName: "Uacute", Wx: 722.000000, Wy: 0.000000},
+	"Ucircumflex":    {GlyphName: "Ucircumflex", Wx: 722.000000, Wy: 0.000000},
+	"Udieresis":      {GlyphName: "Udieresis", Wx: 722.000000, Wy: 0.000000},
+	"Ugrave":         {GlyphName: "Ugrave", Wx: 722.000000, Wy: 0.000000},
+	"Uhungarumlaut":  {GlyphName: "Uhungarumlaut", Wx: 722.000000, Wy: 0.000000},
+	"Umacron":        {GlyphName: "Umacron", Wx: 722.000000, Wy: 0.000000},
+	"Uogonek":        {GlyphName: "Uogonek", Wx: 722.000000, Wy: 0.000000},
+	"Uring":          {GlyphName: "Uring", Wx: 722.000000, Wy: 0.000000},
+	"V":              {GlyphName: "V", Wx: 722.000000, Wy: 0.000000},
+	"W":              {GlyphName: "W", Wx: 1000.000000, Wy: 0.000000},
+	"X":              {GlyphName: "X", Wx: 722.000000, Wy: 0.000000},
+	"Y":              {GlyphName: "Y", Wx: 722.000000, Wy: 0.000000},
+	"Yacute":         {GlyphName: "Yacute", Wx: 722.000000, Wy: 0.000000},
+	"Ydieresis":      {GlyphName: "Ydieresis", Wx: 722.000000, Wy: 0.000000},
+	"Z":              {GlyphName: "Z", Wx: 667.000000, Wy: 0.000000},
+	"Zacute":         {GlyphName: "Zacute", Wx: 667.000000, Wy: 0.000000},
+	"Zcaron":         {GlyphName: "Zcaron", Wx: 667.000000, Wy: 0.000000},
+	"Zdotaccent":     {GlyphName: "Zdotaccent", Wx: 667.000000, Wy: 0.000000},
+	"a":              {GlyphName: "a", Wx: 500.000000, Wy: 0.000000},
+	"aacute":         {GlyphName: "aacute", Wx: 500.000000, Wy: 0.000000},
+	"abreve":         {GlyphName: "abreve", Wx: 500.000000, Wy: 0.000000},
+	"acircumflex":    {GlyphName: "acircumflex", Wx: 500.000000, Wy: 0.000000},
+	"acute":          {GlyphName: "acute", Wx: 333.000000, Wy: 0.000000},
+	"adieresis":      {GlyphName: "adieresis", Wx: 500.000000, Wy: 0.000000},
+	"ae":             {GlyphName: "ae", Wx: 722.000000, Wy: 0.000000},
+	"agrave":         {GlyphName: "agrave", Wx: 500.000000, Wy: 0.000000},
+	"amacron":        {GlyphName: "amacron", Wx: 500.000000, Wy: 0.000000},
+	"ampersand":      {GlyphName: "ampersand", Wx: 833.000000, Wy: 0.000000},
+	"aogonek":        {GlyphName: "aogonek", Wx: 500.000000, Wy: 0.000000},
+	"aring":          {GlyphName: "aring", Wx: 500.000000, Wy: 0.000000},
+	"asciicircum":    {GlyphName: "asciicircum", Wx: 581.000000, Wy: 0.000000},
+	"asciitilde":     {GlyphName: "asciitilde", Wx: 520.000000, Wy: 0.000000},
+	"asterisk":       {GlyphName: "asterisk", Wx: 500.000000, Wy: 0.000000},
+	"at":             {GlyphName: "at", Wx: 930.000000, Wy: 0.000000},
+	"atilde":         {GlyphName: "atilde", Wx: 500.000000, Wy: 0.000000},
+	"b":              {GlyphName: "b", Wx: 556.000000, Wy: 0.000000},
+	"backslash":      {GlyphName: "backslash", Wx: 278.000000, Wy: 0.000000},
+	"bar":            {GlyphName: "bar", Wx: 220.000000, Wy: 0.000000},
+	"braceleft":      {GlyphName: "braceleft", Wx: 394.000000, Wy: 0.000000},
+	"braceright":     {GlyphName: "braceright", Wx: 394.000000, Wy: 0.000000},
+	"bracketleft":    {GlyphName: "bracketleft", Wx: 333.000000, Wy: 0.000000},
+	"bracketright":   {GlyphName: "bracketright", Wx: 333.000000, Wy: 0.000000},
+	"breve":          {GlyphName: "breve", Wx: 333.000000, Wy: 0.000000},
+	"brokenbar":      {GlyphName: "brokenbar", Wx: 220.000000, Wy: 0.000000},
+	"bullet":         {GlyphName: "bullet", Wx: 350.000000, Wy: 0.000000},
+	"c":              {GlyphName: "c", Wx: 444.000000, Wy: 0.000000},
+	"cacute":         {GlyphName: "cacute", Wx: 444.000000, Wy: 0.000000},
+	"caron":          {GlyphName: "caron", Wx: 333.000000, Wy: 0.000000},
+	"ccaron":         {GlyphName: "ccaron", Wx: 444.000000, Wy: 0.000000},
+	"ccedilla":       {GlyphName: "ccedilla", Wx: 444.000000, Wy: 0.000000},
+	"cedilla":        {GlyphName: "cedilla", Wx: 333.000000, Wy: 0.000000},
+	"cent":           {GlyphName: "cent", Wx: 500.000000, Wy: 0.000000},
+	"circumflex":     {GlyphName: "circumflex", Wx: 333.000000, Wy: 0.000000},
+	"colon":          {GlyphName: "colon", Wx: 333.000000, Wy: 0.000000},
+	"comma":          {GlyphName: "comma", Wx: 250.000000, Wy: 0.000000},
+	"commaaccent":    {GlyphName: "commaaccent", Wx: 250.000000, Wy: 0.000000},
+	"copyright":      {GlyphName: "copyright", Wx: 747.000000, Wy: 0.000000},
+	"currency":       {GlyphName: "currency", Wx: 500.000000, Wy: 0.000000},
+	"d":              {GlyphName: "d", Wx: 556.000000, Wy: 0.000000},
+	"dagger":         {GlyphName: "dagger", Wx: 500.000000, Wy: 0.000000},
+	"daggerdbl":      {GlyphName: "daggerdbl", Wx: 500.000000, Wy: 0.000000},
+	"dcaron":         {GlyphName: "dcaron", Wx: 672.000000, Wy: 0.000000},
+	"dcroat":         {GlyphName: "dcroat", Wx: 556.000000, Wy: 0.000000},
+	"degree":         {GlyphName: "degree", Wx: 400.000000, Wy: 0.000000},
+	"dieresis":       {GlyphName: "dieresis", Wx: 333.000000, Wy: 0.000000},
+	"divide":         {GlyphName: "divide", Wx: 570.000000, Wy: 0.000000},
+	"dollar":         {GlyphName: "dollar", Wx: 500.000000, Wy: 0.000000},
+	"dotaccent":      {GlyphName: "dotaccent", Wx: 333.000000, Wy: 0.000000},
+	"dotlessi":       {GlyphName: "dotlessi", Wx: 278.000000, Wy: 0.000000},
+	"e":              {GlyphName: "e", Wx: 444.000000, Wy: 0.000000},
+	"eacute":         {GlyphName: "eacute", Wx: 444.000000, Wy: 0.000000},
+	"ecaron":         {GlyphName: "ecaron", Wx: 444.000000, Wy: 0.000000},
+	"ecircumflex":    {GlyphName: "ecircumflex", Wx: 444.000000, Wy: 0.000000},
+	"edieresis":      {GlyphName: "edieresis", Wx: 444.000000, Wy: 0.000000},
+	"edotaccent":     {GlyphName: "edotaccent", Wx: 444.000000, Wy: 0.000000},
+	"egrave":         {GlyphName: "egrave", Wx: 444.000000, Wy: 0.000000},
+	"eight":          {GlyphName: "eight", Wx: 500.000000, Wy: 0.000000},
+	"ellipsis":       {GlyphName: "ellipsis", Wx: 1000.000000, Wy: 0.000000},
+	"emacron":        {GlyphName: "emacron", Wx: 444.000000, Wy: 0.000000},
+	"emdash":         {GlyphName: "emdash", Wx: 1000.000000, Wy: 0.000000},
+	"endash":         {GlyphName: "endash", Wx: 500.000000, Wy: 0.000000},
+	"eogonek":        {GlyphName: "eogonek", Wx: 444.000000, Wy: 0.000000},
+	"equal":          {GlyphName: "equal", Wx: 570.000000, Wy: 0.000000},
+	"eth":            {GlyphName: "eth", Wx: 500.000000, Wy: 0.000000},
+	"exclam":         {GlyphName: "exclam", Wx: 333.000000, Wy: 0.000000},
+	"exclamdown":     {GlyphName: "exclamdown", Wx: 333.000000, Wy: 0.000000},
+	"f":              {GlyphName: "f", Wx: 333.000000, Wy: 0.000000},
+	"fi":             {GlyphName: "fi", Wx: 556.000000, Wy: 0.000000},
+	"five":           {GlyphName: "five", Wx: 500.000000, Wy: 0.000000},
+	"fl":             {GlyphName: "fl", Wx: 556.000000, Wy: 0.000000},
+	"florin":         {GlyphName: "florin", Wx: 500.000000, Wy: 0.000000},
+	"four":           {GlyphName: "four", Wx: 500.000000, Wy: 0.000000},
+	"fraction":       {GlyphName: "fraction", Wx: 167.000000, Wy: 0.000000},
+	"g":              {GlyphName: "g", Wx: 500.000000, Wy: 0.000000},
+	"gbreve":         {GlyphName: "gbreve", Wx: 500.000000, Wy: 0.000000},
+	"gcommaaccent":   {GlyphName: "gcommaaccent", Wx: 500.000000, Wy: 0.000000},
+	"germandbls":     {GlyphName: "germandbls", Wx: 556.000000, Wy: 0.000000},
+	"grave":          {GlyphName: "grave", Wx: 333.000000, Wy: 0.000000},
+	"greater":        {GlyphName: "greater", Wx: 570.000000, Wy: 0.000000},
+	"greaterequal":   {GlyphName: "greaterequal", Wx: 549.000000, Wy: 0.000000},
+	"guillemotleft":  {GlyphName: "guillemotleft", Wx: 500.000000, Wy: 0.000000},
+	"guillemotright": {GlyphName: "guillemotright", Wx: 500.000000, Wy: 0.000000},
+	"guilsinglleft":  {GlyphName: "guilsinglleft", Wx: 333.000000, Wy: 0.000000},
+	"guilsinglright": {GlyphName: "guilsinglright", Wx: 333.000000, Wy: 0.000000},
+	"h":              {GlyphName: "h", Wx: 556.000000, Wy: 0.000000},
+	"hungarumlaut":   {GlyphName: "hungarumlaut", Wx: 333.000000, Wy: 0.000000},
+	"hyphen":         {GlyphName: "hyphen", Wx: 333.000000, Wy: 0.000000},
+	"i":              {GlyphName: "i", Wx: 278.000000, Wy: 0.000000},
+	"iacute":         {GlyphName: "iacute", Wx: 278.000000, Wy: 0.000000},
+	"icircumflex":    {GlyphName: "icircumflex", Wx: 278.000000, Wy: 0.000000},
+	"idieresis":      {GlyphName: "idieresis", Wx: 278.000000, Wy: 0.000000},
+	"igrave":         {GlyphName: "igrave", Wx: 278.000000, Wy: 0.000000},
+	"imacron":        {GlyphName: "imacron", Wx: 278.000000, Wy: 0.000000},
+	"iogonek":        {GlyphName: "iogonek", Wx: 278.000000, Wy: 0.000000},
+	"j":              {GlyphName: "j", Wx: 333.000000, Wy: 0.000000},
+	"k":              {GlyphName: "k", Wx: 556.000000, Wy: 0.000000},
+	"kcommaaccent":   {GlyphName: "kcommaaccent", Wx: 556.000000, Wy: 0.000000},
+	"l":              {GlyphName: "l", Wx: 278.000000, Wy: 0.000000},
+	"lacute":         {GlyphName: "lacute", Wx: 278.000000, Wy: 0.000000},
+	"lcaron":         {GlyphName: "lcaron", Wx: 394.000000, Wy: 0.000000},
+	"lcommaaccent":   {GlyphName: "lcommaaccent", Wx: 278.000000, Wy: 0.000000},
+	"less":           {GlyphName: "less", Wx: 570.000000, Wy: 0.000000},
+	"lessequal":      {GlyphName: "lessequal", Wx: 549.000000, Wy: 0.000000},
+	"logicalnot":     {GlyphName: "logicalnot", Wx: 570.000000, Wy: 0.000000},
+	"lozenge":        {GlyphName: "lozenge", Wx: 494.000000, Wy: 0.000000},
+	"lslash":         {GlyphName: "lslash", Wx: 278.000000, Wy: 0.000000},
+	"m":              {GlyphName: "m", Wx: 833.000000, Wy: 0.000000},
+	"macron":         {GlyphName: "macron", Wx: 333.000000, Wy: 0.000000},
+	"minus":          {GlyphName: "minus", Wx: 570.000000, Wy: 0.000000},
+	"mu":             {GlyphName: "mu", Wx: 556.000000, Wy: 0.000000},
+	"multiply":       {GlyphName: "multiply", Wx: 570.000000, Wy: 0.000000},
+	"n":              {GlyphName: "n", Wx: 556.000000, Wy: 0.000000},
+	"nacute":         {GlyphName: "nacute", Wx: 556.000000, Wy: 0.000000},
+	"ncaron":         {GlyphName: "ncaron", Wx: 556.000000, Wy: 0.000000},
+	"ncommaaccent":   {GlyphName: "ncommaaccent", Wx: 556.000000, Wy: 0.000000},
+	"nine":           {GlyphName: "nine", Wx: 500.000000, Wy: 0.000000},
+	"notequal":       {GlyphName: "notequal", Wx: 549.000000, Wy: 0.000000},
+	"ntilde":         {GlyphName: "ntilde", Wx: 556.000000, Wy: 0.000000},
+	"numbersign":     {GlyphName: "numbersign", Wx: 500.000000, Wy: 0.000000},
+	"o":              {GlyphName: "o", Wx: 500.000000, Wy: 0.000000},
+	"oacute":         {GlyphName: "oacute", Wx: 500.000000, Wy: 0.000000},
+	"ocircumflex":    {GlyphName: "ocircumflex", Wx: 500.000000, Wy: 0.000000},
+	"odieresis":      {GlyphName: "odieresis", Wx: 500.000000, Wy: 0.000000},
+	"oe":             {GlyphName: "oe", Wx: 722.000000, Wy: 0.000000},
+	"ogonek":         {GlyphName: "ogonek", Wx: 333.000000, Wy: 0.000000},
+	"ograve":         {GlyphName: "ograve", Wx: 500.000000, Wy: 0.000000},
+	"ohungarumlaut":  {GlyphName: "ohungarumlaut", Wx: 500.000000, Wy: 0.000000},
+	"omacron":        {GlyphName: "omacron", Wx: 500.000000, Wy: 0.000000},
+	"one":            {GlyphName: "one", Wx: 500.000000, Wy: 0.000000},
+	"onehalf":        {GlyphName: "onehalf", Wx: 750.000000, Wy: 0.000000},
+	"onequarter":     {GlyphName: "onequarter", Wx: 750.000000, Wy: 0.000000},
+	"onesuperior":    {GlyphName: "onesuperior", Wx: 300.000000, Wy: 0.000000},
+	"ordfeminine":    {GlyphName: "ordfeminine", Wx: 300.000000, Wy: 0.000000},
+	"ordmasculine":   {GlyphName: "ordmasculine", Wx: 330.000000, Wy: 0.000000},
+	"oslash":         {GlyphName: "oslash", Wx: 500.000000, Wy: 0.000000},
+	"otilde":         {GlyphName: "otilde", Wx: 500.000000, Wy: 0.000000},
+	"p":              {GlyphName: "p", Wx: 556.000000, Wy: 0.000000},
+	"paragraph":      {GlyphName: "paragraph", Wx: 540.000000, Wy: 0.000000},
+	"parenleft":      {GlyphName: "parenleft", Wx: 333.000000, Wy: 0.000000},
+	"parenright":     {GlyphName: "parenright", Wx: 333.000000, Wy: 0.000000},
+	"partialdiff":    {GlyphName: "partialdiff", Wx: 494.000000, Wy: 0.000000},
+	"percent":        {GlyphName: "percent", Wx: 1000.000000, Wy: 0.000000},
+	"period":         {GlyphName: "period", Wx: 250.000000, Wy: 0.000000},
+	"periodcentered": {GlyphName: "periodcentered", Wx: 250.000000, Wy: 0.000000},
+	"perthousand":    {GlyphName: "perthousand", Wx: 1000.000000, Wy: 0.000000},
+	"plus":           {GlyphName: "plus", Wx: 570.000000, Wy: 0.000000},
+	"plusminus":      {GlyphName: "plusminus", Wx: 570.000000, Wy: 0.000000},
+	"q":              {GlyphName: "q", Wx: 556.000000, Wy: 0.000000},
+	"question":       {GlyphName: "question", Wx: 500.000000, Wy: 0.000000},
+	"questiondown":   {GlyphName: "questiondown", Wx: 500.000000, Wy: 0.000000},
+	"quotedbl":       {GlyphName: "quotedbl", Wx: 555.000000, Wy: 0.000000},
+	"quotedblbase":   {GlyphName: "quotedblbase", Wx: 500.000000, Wy: 0.000000},
+	"quotedblleft":   {GlyphName: "quotedblleft", Wx: 500.000000, Wy: 0.000000},
+	"quotedblright":  {GlyphName: "quotedblright", Wx: 500.000000, Wy: 0.000000},
+	"quoteleft":      {GlyphName: "quoteleft", Wx: 333.000000, Wy: 0.000000},
+	"quoteright":     {GlyphName: "quoteright", Wx: 333.000000, Wy: 0.000000},
+	"quotesinglbase": {GlyphName: "quotesinglbase", Wx: 333.000000, Wy: 0.000000},
+	"quotesingle":    {GlyphName: "quotesingle", Wx: 278.000000, Wy: 0.000000},
+	"r":              {GlyphName: "r", Wx: 444.000000, Wy: 0.000000},
+	"racute":         {GlyphName: "racute", Wx: 444.000000, Wy: 0.000000},
+	"radical":        {GlyphName: "radical", Wx: 549.000000, Wy: 0.000000},
+	"rcaron":         {GlyphName: "rcaron", Wx: 444.000000, Wy: 0.000000},
+	"rcommaaccent":   {GlyphName: "rcommaaccent", Wx: 444.000000, Wy: 0.000000},
+	"registered":     {GlyphName: "registered", Wx: 747.000000, Wy: 0.000000},
+	"ring":           {GlyphName: "ring", Wx: 333.000000, Wy: 0.000000},
+	"s":              {GlyphName: "s", Wx: 389.000000, Wy: 0.000000},
+	"sacute":         {GlyphName: "sacute", Wx: 389.000000, Wy: 0.000000},
+	"scaron":         {GlyphName: "scaron", Wx: 389.000000, Wy: 0.000000},
+	"scedilla":       {GlyphName: "scedilla", Wx: 389.000000, Wy: 0.000000},
+	"scommaaccent":   {GlyphName: "scommaaccent", Wx: 389.000000, Wy: 0.000000},
+	"section":        {GlyphName: "section", Wx: 500.000000, Wy: 0.000000},
+	"semicolon":      {GlyphName: "semicolon", Wx: 333.000000, Wy: 0.000000},
+	"seven":          {GlyphName: "seven", Wx: 500.000000, Wy: 0.000000},
+	"six":            {GlyphName: "six", Wx: 500.000000, Wy: 0.000000},
+	"slash":          {GlyphName: "slash", Wx: 278.000000, Wy: 0.000000},
+	"space":          {GlyphName: "space", Wx: 250.000000, Wy: 0.000000},
+	"sterling":       {GlyphName: "sterling", Wx: 500.000000, Wy: 0.000000},
+	"summation":      {GlyphName: "summation", Wx: 600.000000, Wy: 0.000000},
+	"t":              {GlyphName: "t", Wx: 333.000000, Wy: 0.000000},
+	"tcaron":         {GlyphName: "tcaron", Wx: 416.000000, Wy: 0.000000},
+	"tcommaaccent":   {GlyphName: "tcommaaccent", Wx: 333.000000, Wy: 0.000000},
+	"thorn":          {GlyphName: "thorn", Wx: 556.000000, Wy: 0.000000},
+	"three":          {GlyphName: "three", Wx: 500.000000, Wy: 0.000000},
+	"threequarters":  {GlyphName: "threequarters", Wx: 750.000000, Wy: 0.000000},
+	"threesuperior":  {GlyphName: "threesuperior", Wx: 300.000000, Wy: 0.000000},
+	"tilde":          {GlyphName: "tilde", Wx: 333.000000, Wy: 0.000000},
+	"trademark":      {GlyphName: "trademark", Wx: 1000.000000, Wy: 0.000000},
+	"two":            {GlyphName: "two", Wx: 500.000000, Wy: 0.000000},
+	"twosuperior":    {GlyphName: "twosuperior", Wx: 300.000000, Wy: 0.000000},
+	"u":              {GlyphName: "u", Wx: 556.000000, Wy: 0.000000},
+	"uacute":         {GlyphName: "uacute", Wx: 556.000000, Wy: 0.000000},
+	"ucircumflex":    {GlyphName: "ucircumflex", Wx: 556.000000, Wy: 0.000000},
+	"udieresis":      {GlyphName: "udieresis", Wx: 556.000000, Wy: 0.000000},
+	"ugrave":         {GlyphName: "ugrave", Wx: 556.000000, Wy: 0.000000},
+	"uhungarumlaut":  {GlyphName: "uhungarumlaut", Wx: 556.000000, Wy: 0.000000},
+	"umacron":        {GlyphName: "umacron", Wx: 556.000000, Wy: 0.000000},
+	"underscore":     {GlyphName: "underscore", Wx: 500.000000, Wy: 0.000000},
+	"uogonek":        {GlyphName: "uogonek", Wx: 556.000000, Wy: 0.000000},
+	"uring":          {GlyphName: "uring", Wx: 556.000000, Wy: 0.000000},
+	"v":              {GlyphName: "v", Wx: 500.000000, Wy: 0.000000},
+	"w":              {GlyphName: "w", Wx: 722.000000, Wy: 0.000000},
+	"x":              {GlyphName: "x", Wx: 500.000000, Wy: 0.000000},
+	"y":              {GlyphName: "y", Wx: 500.000000, Wy: 0.000000},
+	"yacute":         {GlyphName: "yacute", Wx: 500.000000, Wy: 0.000000},
+	"ydieresis":      {GlyphName: "ydieresis", Wx: 500.000000, Wy: 0.000000},
+	"yen":            {GlyphName: "yen", Wx: 500.000000, Wy: 0.000000},
+	"z":              {GlyphName: "z", Wx: 444.000000, Wy: 0.000000},
+	"zacute":         {GlyphName: "zacute", Wx: 444.000000, Wy: 0.000000},
+	"zcaron":         {GlyphName: "zcaron", Wx: 444.000000, Wy: 0.000000},
+	"zdotaccent":     {GlyphName: "zdotaccent", Wx: 444.000000, Wy: 0.000000},
+	"zero":           {GlyphName: "zero", Wx: 500.000000, Wy: 0.000000},
+}

internal/pdf/model/fonts/times_bold_italic.go

@@ -0,0 +1,362 @@
+package fonts
+
+import (
+	"gitea.tecamino.com/paadi/pdfmerge/internal/pdf/core"
+	"gitea.tecamino.com/paadi/pdfmerge/internal/pdf/model/textencoding"
+)
+
+// Font Times-BoldItalic.  Implements Font interface.
+// This is a built-in font and it is assumed that every reader has access to it.
+type fontTimesBoldItalic struct {
+	encoder textencoding.TextEncoder
+}
+
+func NewFontTimesBoldItalic() fontTimesBoldItalic {
+	font := fontTimesBoldItalic{}
+	font.encoder = textencoding.NewWinAnsiTextEncoder() // Default
+	return font
+}
+
+func (font fontTimesBoldItalic) SetEncoder(encoder textencoding.TextEncoder) {
+	font.encoder = encoder
+}
+
+func (font fontTimesBoldItalic) GetGlyphCharMetrics(glyph string) (CharMetrics, bool) {
+	metrics, has := timesBoldItalicCharMetrics[glyph]
+	if !has {
+		return metrics, false
+	}
+
+	return metrics, true
+}
+
+func (font fontTimesBoldItalic) ToPdfObject() core.PdfObject {
+	obj := &core.PdfIndirectObject{}
+
+	fontDict := core.MakeDict()
+	fontDict.Set("Type", core.MakeName("Font"))
+	fontDict.Set("Subtype", core.MakeName("Type1"))
+	fontDict.Set("BaseFont", core.MakeName("Times-BoldItalic"))
+	fontDict.Set("Encoding", font.encoder.ToPdfObject())
+
+	obj.PdfObject = fontDict
+	return obj
+}
+
+var timesBoldItalicCharMetrics map[string]CharMetrics = map[string]CharMetrics{
+	"A":              {GlyphName: "A", Wx: 667.000000, Wy: 0.000000},
+	"AE":             {GlyphName: "AE", Wx: 944.000000, Wy: 0.000000},
+	"Aacute":         {GlyphName: "Aacute", Wx: 667.000000, Wy: 0.000000},
+	"Abreve":         {GlyphName: "Abreve", Wx: 667.000000, Wy: 0.000000},
+	"Acircumflex":    {GlyphName: "Acircumflex", Wx: 667.000000, Wy: 0.000000},
+	"Adieresis":      {GlyphName: "Adieresis", Wx: 667.000000, Wy: 0.000000},
+	"Agrave":         {GlyphName: "Agrave", Wx: 667.000000, Wy: 0.000000},
+	"Amacron":        {GlyphName: "Amacron", Wx: 667.000000, Wy: 0.000000},
+	"Aogonek":        {GlyphName: "Aogonek", Wx: 667.000000, Wy: 0.000000},
+	"Aring":          {GlyphName: "Aring", Wx: 667.000000, Wy: 0.000000},
+	"Atilde":         {GlyphName: "Atilde", Wx: 667.000000, Wy: 0.000000},
+	"B":              {GlyphName: "B", Wx: 667.000000, Wy: 0.000000},
+	"C":              {GlyphName: "C", Wx: 667.000000, Wy: 0.000000},
+	"Cacute":         {GlyphName: "Cacute", Wx: 667.000000, Wy: 0.000000},
+	"Ccaron":         {GlyphName: "Ccaron", Wx: 667.000000, Wy: 0.000000},
+	"Ccedilla":       {GlyphName: "Ccedilla", Wx: 667.000000, Wy: 0.000000},
+	"D":              {GlyphName: "D", Wx: 722.000000, Wy: 0.000000},
+	"Dcaron":         {GlyphName: "Dcaron", Wx: 722.000000, Wy: 0.000000},
+	"Dcroat":         {GlyphName: "Dcroat", Wx: 722.000000, Wy: 0.000000},
+	"Delta":          {GlyphName: "Delta", Wx: 612.000000, Wy: 0.000000},
+	"E":              {GlyphName: "E", Wx: 667.000000, Wy: 0.000000},
+	"Eacute":         {GlyphName: "Eacute", Wx: 667.000000, Wy: 0.000000},
+	"Ecaron":         {GlyphName: "Ecaron", Wx: 667.000000, Wy: 0.000000},
+	"Ecircumflex":    {GlyphName: "Ecircumflex", Wx: 667.000000, Wy: 0.000000},
+	"Edieresis":      {GlyphName: "Edieresis", Wx: 667.000000, Wy: 0.000000},
+	"Edotaccent":     {GlyphName: "Edotaccent", Wx: 667.000000, Wy: 0.000000},
+	"Egrave":         {GlyphName: "Egrave", Wx: 667.000000, Wy: 0.000000},
+	"Emacron":        {GlyphName: "Emacron", Wx: 667.000000, Wy: 0.000000},
+	"Eogonek":        {GlyphName: "Eogonek", Wx: 667.000000, Wy: 0.000000},
+	"Eth":            {GlyphName: "Eth", Wx: 722.000000, Wy: 0.000000},
+	"Euro":           {GlyphName: "Euro", Wx: 500.000000, Wy: 0.000000},
+	"F":              {GlyphName: "F", Wx: 667.000000, Wy: 0.000000},
+	"G":              {GlyphName: "G", Wx: 722.000000, Wy: 0.000000},
+	"Gbreve":         {GlyphName: "Gbreve", Wx: 722.000000, Wy: 0.000000},
+	"Gcommaaccent":   {GlyphName: "Gcommaaccent", Wx: 722.000000, Wy: 0.000000},
+	"H":              {GlyphName: "H", Wx: 778.000000, Wy: 0.000000},
+	"I":              {GlyphName: "I", Wx: 389.000000, Wy: 0.000000},
+	"Iacute":         {GlyphName: "Iacute", Wx: 389.000000, Wy: 0.000000},
+	"Icircumflex":    {GlyphName: "Icircumflex", Wx: 389.000000, Wy: 0.000000},
+	"Idieresis":      {GlyphName: "Idieresis", Wx: 389.000000, Wy: 0.000000},
+	"Idotaccent":     {GlyphName: "Idotaccent", Wx: 389.000000, Wy: 0.000000},
+	"Igrave":         {GlyphName: "Igrave", Wx: 389.000000, Wy: 0.000000},
+	"Imacron":        {GlyphName: "Imacron", Wx: 389.000000, Wy: 0.000000},
+	"Iogonek":        {GlyphName: "Iogonek", Wx: 389.000000, Wy: 0.000000},
+	"J":              {GlyphName: "J", Wx: 500.000000, Wy: 0.000000},
+	"K":              {GlyphName: "K", Wx: 667.000000, Wy: 0.000000},
+	"Kcommaaccent":   {GlyphName: "Kcommaaccent", Wx: 667.000000, Wy: 0.000000},
+	"L":              {GlyphName: "L", Wx: 611.000000, Wy: 0.000000},
+	"Lacute":         {GlyphName: "Lacute", Wx: 611.000000, Wy: 0.000000},
+	"Lcaron":         {GlyphName: "Lcaron", Wx: 611.000000, Wy: 0.000000},
+	"Lcommaaccent":   {GlyphName: "Lcommaaccent", Wx: 611.000000, Wy: 0.000000},
+	"Lslash":         {GlyphName: "Lslash", Wx: 611.000000, Wy: 0.000000},
+	"M":              {GlyphName: "M", Wx: 889.000000, Wy: 0.000000},
+	"N":              {GlyphName: "N", Wx: 722.000000, Wy: 0.000000},
+	"Nacute":         {GlyphName: "Nacute", Wx: 722.000000, Wy: 0.000000},
+	"Ncaron":         {GlyphName: "Ncaron", Wx: 722.000000, Wy: 0.000000},
+	"Ncommaaccent":   {GlyphName: "Ncommaaccent", Wx: 722.000000, Wy: 0.000000},
+	"Ntilde":         {GlyphName: "Ntilde", Wx: 722.000000, Wy: 0.000000},
+	"O":              {GlyphName: "O", Wx: 722.000000, Wy: 0.000000},
+	"OE":             {GlyphName: "OE", Wx: 944.000000, Wy: 0.000000},
+	"Oacute":         {GlyphName: "Oacute", Wx: 722.000000, Wy: 0.000000},
+	"Ocircumflex":    {GlyphName: "Ocircumflex", Wx: 722.000000, Wy: 0.000000},
+	"Odieresis":      {GlyphName: "Odieresis", Wx: 722.000000, Wy: 0.000000},
+	"Ograve":         {GlyphName: "Ograve", Wx: 722.000000, Wy: 0.000000},
+	"Ohungarumlaut":  {GlyphName: "Ohungarumlaut", Wx: 722.000000, Wy: 0.000000},
+	"Omacron":        {GlyphName: "Omacron", Wx: 722.000000, Wy: 0.000000},
+	"Oslash":         {GlyphName: "Oslash", Wx: 722.000000, Wy: 0.000000},
+	"Otilde":         {GlyphName: "Otilde", Wx: 722.000000, Wy: 0.000000},
+	"P":              {GlyphName: "P", Wx: 611.000000, Wy: 0.000000},
+	"Q":              {GlyphName: "Q", Wx: 722.000000, Wy: 0.000000},
+	"R":              {GlyphName: "R", Wx: 667.000000, Wy: 0.000000},
+	"Racute":         {GlyphName: "Racute", Wx: 667.000000, Wy: 0.000000},
+	"Rcaron":         {GlyphName: "Rcaron", Wx: 667.000000, Wy: 0.000000},
+	"Rcommaaccent":   {GlyphName: "Rcommaaccent", Wx: 667.000000, Wy: 0.000000},
+	"S":              {GlyphName: "S", Wx: 556.000000, Wy: 0.000000},
+	"Sacute":         {GlyphName: "Sacute", Wx: 556.000000, Wy: 0.000000},
+	"Scaron":         {GlyphName: "Scaron", Wx: 556.000000, Wy: 0.000000},
+	"Scedilla":       {GlyphName: "Scedilla", Wx: 556.000000, Wy: 0.000000},
+	"Scommaaccent":   {GlyphName: "Scommaaccent", Wx: 556.000000, Wy: 0.000000},
+	"T":              {GlyphName: "T", Wx: 611.000000, Wy: 0.000000},
+	"Tcaron":         {GlyphName: "Tcaron", Wx: 611.000000, Wy: 0.000000},
+	"Tcommaaccent":   {GlyphName: "Tcommaaccent", Wx: 611.000000, Wy: 0.000000},
+	"Thorn":          {GlyphName: "Thorn", Wx: 611.000000, Wy: 0.000000},
+	"U":              {GlyphName: "U", Wx: 722.000000, Wy: 0.000000},
+	"Uacute":         {GlyphName: "Uacute", Wx: 722.000000, Wy: 0.000000},
+	"Ucircumflex":    {GlyphName: "Ucircumflex", Wx: 722.000000, Wy: 0.000000},
+	"Udieresis":      {GlyphName: "Udieresis", Wx: 722.000000, Wy: 0.000000},
+	"Ugrave":         {GlyphName: "Ugrave", Wx: 722.000000, Wy: 0.000000},
+	"Uhungarumlaut":  {GlyphName: "Uhungarumlaut", Wx: 722.000000, Wy: 0.000000},
+	"Umacron":        {GlyphName: "Umacron", Wx: 722.000000, Wy: 0.000000},
+	"Uogonek":        {GlyphName: "Uogonek", Wx: 722.000000, Wy: 0.000000},
+	"Uring":          {GlyphName: "Uring", Wx: 722.000000, Wy: 0.000000},
+	"V":              {GlyphName: "V", Wx: 667.000000, Wy: 0.000000},
+	"W":              {GlyphName: "W", Wx: 889.000000, Wy: 0.000000},
+	"X":              {GlyphName: "X", Wx: 667.000000, Wy: 0.000000},
+	"Y":              {GlyphName: "Y", Wx: 611.000000, Wy: 0.000000},
+	"Yacute":         {GlyphName: "Yacute", Wx: 611.000000, Wy: 0.000000},
+	"Ydieresis":      {GlyphName: "Ydieresis", Wx: 611.000000, Wy: 0.000000},
+	"Z":              {GlyphName: "Z", Wx: 611.000000, Wy: 0.000000},
+	"Zacute":         {GlyphName: "Zacute", Wx: 611.000000, Wy: 0.000000},
+	"Zcaron":         {GlyphName: "Zcaron", Wx: 611.000000, Wy: 0.000000},
+	"Zdotaccent":     {GlyphName: "Zdotaccent", Wx: 611.000000, Wy: 0.000000},
+	"a":              {GlyphName: "a", Wx: 500.000000, Wy: 0.000000},
+	"aacute":         {GlyphName: "aacute", Wx: 500.000000, Wy: 0.000000},
+	"abreve":         {GlyphName: "abreve", Wx: 500.000000, Wy: 0.000000},
+	"acircumflex":    {GlyphName: "acircumflex", Wx: 500.000000, Wy: 0.000000},
+	"acute":          {GlyphName: "acute", Wx: 333.000000, Wy: 0.000000},
+	"adieresis":      {GlyphName: "adieresis", Wx: 500.000000, Wy: 0.000000},
+	"ae":             {GlyphName: "ae", Wx: 722.000000, Wy: 0.000000},
+	"agrave":         {GlyphName: "agrave", Wx: 500.000000, Wy: 0.000000},
+	"amacron":        {GlyphName: "amacron", Wx: 500.000000, Wy: 0.000000},
+	"ampersand":      {GlyphName: "ampersand", Wx: 778.000000, Wy: 0.000000},
+	"aogonek":        {GlyphName: "aogonek", Wx: 500.000000, Wy: 0.000000},
+	"aring":          {GlyphName: "aring", Wx: 500.000000, Wy: 0.000000},
+	"asciicircum":    {GlyphName: "asciicircum", Wx: 570.000000, Wy: 0.000000},
+	"asciitilde":     {GlyphName: "asciitilde", Wx: 570.000000, Wy: 0.000000},
+	"asterisk":       {GlyphName: "asterisk", Wx: 500.000000, Wy: 0.000000},
+	"at":             {GlyphName: "at", Wx: 832.000000, Wy: 0.000000},
+	"atilde":         {GlyphName: "atilde", Wx: 500.000000, Wy: 0.000000},
+	"b":              {GlyphName: "b", Wx: 500.000000, Wy: 0.000000},
+	"backslash":      {GlyphName: "backslash", Wx: 278.000000, Wy: 0.000000},
+	"bar":            {GlyphName: "bar", Wx: 220.000000, Wy: 0.000000},
+	"braceleft":      {GlyphName: "braceleft", Wx: 348.000000, Wy: 0.000000},
+	"braceright":     {GlyphName: "braceright", Wx: 348.000000, Wy: 0.000000},
+	"bracketleft":    {GlyphName: "bracketleft", Wx: 333.000000, Wy: 0.000000},
+	"bracketright":   {GlyphName: "bracketright", Wx: 333.000000, Wy: 0.000000},
+	"breve":          {GlyphName: "breve", Wx: 333.000000, Wy: 0.000000},
+	"brokenbar":      {GlyphName: "brokenbar", Wx: 220.000000, Wy: 0.000000},
+	"bullet":         {GlyphName: "bullet", Wx: 350.000000, Wy: 0.000000},
+	"c":              {GlyphName: "c", Wx: 444.000000, Wy: 0.000000},
+	"cacute":         {GlyphName: "cacute", Wx: 444.000000, Wy: 0.000000},
+	"caron":          {GlyphName: "caron", Wx: 333.000000, Wy: 0.000000},
+	"ccaron":         {GlyphName: "ccaron", Wx: 444.000000, Wy: 0.000000},
+	"ccedilla":       {GlyphName: "ccedilla", Wx: 444.000000, Wy: 0.000000},
+	"cedilla":        {GlyphName: "cedilla", Wx: 333.000000, Wy: 0.000000},
+	"cent":           {GlyphName: "cent", Wx: 500.000000, Wy: 0.000000},
+	"circumflex":     {GlyphName: "circumflex", Wx: 333.000000, Wy: 0.000000},
+	"colon":          {GlyphName: "colon", Wx: 333.000000, Wy: 0.000000},
+	"comma":          {GlyphName: "comma", Wx: 250.000000, Wy: 0.000000},
+	"commaaccent":    {GlyphName: "commaaccent", Wx: 250.000000, Wy: 0.000000},
+	"copyright":      {GlyphName: "copyright", Wx: 747.000000, Wy: 0.000000},
+	"currency":       {GlyphName: "currency", Wx: 500.000000, Wy: 0.000000},
+	"d":              {GlyphName: "d", Wx: 500.000000, Wy: 0.000000},
+	"dagger":         {GlyphName: "dagger", Wx: 500.000000, Wy: 0.000000},
+	"daggerdbl":      {GlyphName: "daggerdbl", Wx: 500.000000, Wy: 0.000000},
+	"dcaron":         {GlyphName: "dcaron", Wx: 608.000000, Wy: 0.000000},
+	"dcroat":         {GlyphName: "dcroat", Wx: 500.000000, Wy: 0.000000},
+	"degree":         {GlyphName: "degree", Wx: 400.000000, Wy: 0.000000},
+	"dieresis":       {GlyphName: "dieresis", Wx: 333.000000, Wy: 0.000000},
+	"divide":         {GlyphName: "divide", Wx: 570.000000, Wy: 0.000000},
+	"dollar":         {GlyphName: "dollar", Wx: 500.000000, Wy: 0.000000},
+	"dotaccent":      {GlyphName: "dotaccent", Wx: 333.000000, Wy: 0.000000},
+	"dotlessi":       {GlyphName: "dotlessi", Wx: 278.000000, Wy: 0.000000},
+	"e":              {GlyphName: "e", Wx: 444.000000, Wy: 0.000000},
+	"eacute":         {GlyphName: "eacute", Wx: 444.000000, Wy: 0.000000},
+	"ecaron":         {GlyphName: "ecaron", Wx: 444.000000, Wy: 0.000000},
+	"ecircumflex":    {GlyphName: "ecircumflex", Wx: 444.000000, Wy: 0.000000},
+	"edieresis":      {GlyphName: "edieresis", Wx: 444.000000, Wy: 0.000000},
+	"edotaccent":     {GlyphName: "edotaccent", Wx: 444.000000, Wy: 0.000000},
+	"egrave":         {GlyphName: "egrave", Wx: 444.000000, Wy: 0.000000},
+	"eight":          {GlyphName: "eight", Wx: 500.000000, Wy: 0.000000},
+	"ellipsis":       {GlyphName: "ellipsis", Wx: 1000.000000, Wy: 0.000000},
+	"emacron":        {GlyphName: "emacron", Wx: 444.000000, Wy: 0.000000},
+	"emdash":         {GlyphName: "emdash", Wx: 1000.000000, Wy: 0.000000},
+	"endash":         {GlyphName: "endash", Wx: 500.000000, Wy: 0.000000},
+	"eogonek":        {GlyphName: "eogonek", Wx: 444.000000, Wy: 0.000000},
+	"equal":          {GlyphName: "equal", Wx: 570.000000, Wy: 0.000000},
+	"eth":            {GlyphName: "eth", Wx: 500.000000, Wy: 0.000000},
+	"exclam":         {GlyphName: "exclam", Wx: 389.000000, Wy: 0.000000},
+	"exclamdown":     {GlyphName: "exclamdown", Wx: 389.000000, Wy: 0.000000},
+	"f":              {GlyphName: "f", Wx: 333.000000, Wy: 0.000000},
+	"fi":             {GlyphName: "fi", Wx: 556.000000, Wy: 0.000000},
+	"five":           {GlyphName: "five", Wx: 500.000000, Wy: 0.000000},
+	"fl":             {GlyphName: "fl", Wx: 556.000000, Wy: 0.000000},
+	"florin":         {GlyphName: "florin", Wx: 500.000000, Wy: 0.000000},
+	"four":           {GlyphName: "four", Wx: 500.000000, Wy: 0.000000},
+	"fraction":       {GlyphName: "fraction", Wx: 167.000000, Wy: 0.000000},
+	"g":              {GlyphName: "g", Wx: 500.000000, Wy: 0.000000},
+	"gbreve":         {GlyphName: "gbreve", Wx: 500.000000, Wy: 0.000000},
+	"gcommaaccent":   {GlyphName: "gcommaaccent", Wx: 500.000000, Wy: 0.000000},
+	"germandbls":     {GlyphName: "germandbls", Wx: 500.000000, Wy: 0.000000},
+	"grave":          {GlyphName: "grave", Wx: 333.000000, Wy: 0.000000},
+	"greater":        {GlyphName: "greater", Wx: 570.000000, Wy: 0.000000},
+	"greaterequal":   {GlyphName: "greaterequal", Wx: 549.000000, Wy: 0.000000},
+	"guillemotleft":  {GlyphName: "guillemotleft", Wx: 500.000000, Wy: 0.000000},
+	"guillemotright": {GlyphName: "guillemotright", Wx: 500.000000, Wy: 0.000000},
+	"guilsinglleft":  {GlyphName: "guilsinglleft", Wx: 333.000000, Wy: 0.000000},
+	"guilsinglright": {GlyphName: "guilsinglright", Wx: 333.000000, Wy: 0.000000},
+	"h":              {GlyphName: "h", Wx: 556.000000, Wy: 0.000000},
+	"hungarumlaut":   {GlyphName: "hungarumlaut", Wx: 333.000000, Wy: 0.000000},
+	"hyphen":         {GlyphName: "hyphen", Wx: 333.000000, Wy: 0.000000},
+	"i":              {GlyphName: "i", Wx: 278.000000, Wy: 0.000000},
+	"iacute":         {GlyphName: "iacute", Wx: 278.000000, Wy: 0.000000},
+	"icircumflex":    {GlyphName: "icircumflex", Wx: 278.000000, Wy: 0.000000},
+	"idieresis":      {GlyphName: "idieresis", Wx: 278.000000, Wy: 0.000000},
+	"igrave":         {GlyphName: "igrave", Wx: 278.000000, Wy: 0.000000},
+	"imacron":        {GlyphName: "imacron", Wx: 278.000000, Wy: 0.000000},
+	"iogonek":        {GlyphName: "iogonek", Wx: 278.000000, Wy: 0.000000},
+	"j":              {GlyphName: "j", Wx: 278.000000, Wy: 0.000000},
+	"k":              {GlyphName: "k", Wx: 500.000000, Wy: 0.000000},
+	"kcommaaccent":   {GlyphName: "kcommaaccent", Wx: 500.000000, Wy: 0.000000},
+	"l":              {GlyphName: "l", Wx: 278.000000, Wy: 0.000000},
+	"lacute":         {GlyphName: "lacute", Wx: 278.000000, Wy: 0.000000},
+	"lcaron":         {GlyphName: "lcaron", Wx: 382.000000, Wy: 0.000000},
+	"lcommaaccent":   {GlyphName: "lcommaaccent", Wx: 278.000000, Wy: 0.000000},
+	"less":           {GlyphName: "less", Wx: 570.000000, Wy: 0.000000},
+	"lessequal":      {GlyphName: "lessequal", Wx: 549.000000, Wy: 0.000000},
+	"logicalnot":     {GlyphName: "logicalnot", Wx: 606.000000, Wy: 0.000000},
+	"lozenge":        {GlyphName: "lozenge", Wx: 494.000000, Wy: 0.000000},
+	"lslash":         {GlyphName: "lslash", Wx: 278.000000, Wy: 0.000000},
+	"m":              {GlyphName: "m", Wx: 778.000000, Wy: 0.000000},
+	"macron":         {GlyphName: "macron", Wx: 333.000000, Wy: 0.000000},
+	"minus":          {GlyphName: "minus", Wx: 606.000000, Wy: 0.000000},
+	"mu":             {GlyphName: "mu", Wx: 576.000000, Wy: 0.000000},
+	"multiply":       {GlyphName: "multiply", Wx: 570.000000, Wy: 0.000000},
+	"n":              {GlyphName: "n", Wx: 556.000000, Wy: 0.000000},
+	"nacute":         {GlyphName: "nacute", Wx: 556.000000, Wy: 0.000000},
+	"ncaron":         {GlyphName: "ncaron", Wx: 556.000000, Wy: 0.000000},
+	"ncommaaccent":   {GlyphName: "ncommaaccent", Wx: 556.000000, Wy: 0.000000},
+	"nine":           {GlyphName: "nine", Wx: 500.000000, Wy: 0.000000},
+	"notequal":       {GlyphName: "notequal", Wx: 549.000000, Wy: 0.000000},
+	"ntilde":         {GlyphName: "ntilde", Wx: 556.000000, Wy: 0.000000},
+	"numbersign":     {GlyphName: "numbersign", Wx: 500.000000, Wy: 0.000000},
+	"o":              {GlyphName: "o", Wx: 500.000000, Wy: 0.000000},
+	"oacute":         {GlyphName: "oacute", Wx: 500.000000, Wy: 0.000000},
+	"ocircumflex":    {GlyphName: "ocircumflex", Wx: 500.000000, Wy: 0.000000},
+	"odieresis":      {GlyphName: "odieresis", Wx: 500.000000, Wy: 0.000000},
+	"oe":             {GlyphName: "oe", Wx: 722.000000, Wy: 0.000000},
+	"ogonek":         {GlyphName: "ogonek", Wx: 333.000000, Wy: 0.000000},
+	"ograve":         {GlyphName: "ograve", Wx: 500.000000, Wy: 0.000000},
+	"ohungarumlaut":  {GlyphName: "ohungarumlaut", Wx: 500.000000, Wy: 0.000000},
+	"omacron":        {GlyphName: "omacron", Wx: 500.000000, Wy: 0.000000},
+	"one":            {GlyphName: "one", Wx: 500.000000, Wy: 0.000000},
+	"onehalf":        {GlyphName: "onehalf", Wx: 750.000000, Wy: 0.000000},
+	"onequarter":     {GlyphName: "onequarter", Wx: 750.000000, Wy: 0.000000},
+	"onesuperior":    {GlyphName: "onesuperior", Wx: 300.000000, Wy: 0.000000},
+	"ordfeminine":    {GlyphName: "ordfeminine", Wx: 266.000000, Wy: 0.000000},
+	"ordmasculine":   {GlyphName: "ordmasculine", Wx: 300.000000, Wy: 0.000000},
+	"oslash":         {GlyphName: "oslash", Wx: 500.000000, Wy: 0.000000},
+	"otilde":         {GlyphName: "otilde", Wx: 500.000000, Wy: 0.000000},
+	"p":              {GlyphName: "p", Wx: 500.000000, Wy: 0.000000},
+	"paragraph":      {GlyphName: "paragraph", Wx: 500.000000, Wy: 0.000000},
+	"parenleft":      {GlyphName: "parenleft", Wx: 333.000000, Wy: 0.000000},
+	"parenright":     {GlyphName: "parenright", Wx: 333.000000, Wy: 0.000000},
+	"partialdiff":    {GlyphName: "partialdiff", Wx: 494.000000, Wy: 0.000000},
+	"percent":        {GlyphName: "percent", Wx: 833.000000, Wy: 0.000000},
+	"period":         {GlyphName: "period", Wx: 250.000000, Wy: 0.000000},
+	"periodcentered": {GlyphName: "periodcentered", Wx: 250.000000, Wy: 0.000000},
+	"perthousand":    {GlyphName: "perthousand", Wx: 1000.000000, Wy: 0.000000},
+	"plus":           {GlyphName: "plus", Wx: 570.000000, Wy: 0.000000},
+	"plusminus":      {GlyphName: "plusminus", Wx: 570.000000, Wy: 0.000000},
+	"q":              {GlyphName: "q", Wx: 500.000000, Wy: 0.000000},
+	"question":       {GlyphName: "question", Wx: 500.000000, Wy: 0.000000},
+	"questiondown":   {GlyphName: "questiondown", Wx: 500.000000, Wy: 0.000000},
+	"quotedbl":       {GlyphName: "quotedbl", Wx: 555.000000, Wy: 0.000000},
+	"quotedblbase":   {GlyphName: "quotedblbase", Wx: 500.000000, Wy: 0.000000},
+	"quotedblleft":   {GlyphName: "quotedblleft", Wx: 500.000000, Wy: 0.000000},
+	"quotedblright":  {GlyphName: "quotedblright", Wx: 500.000000, Wy: 0.000000},
+	"quoteleft":      {GlyphName: "quoteleft", Wx: 333.000000, Wy: 0.000000},
+	"quoteright":     {GlyphName: "quoteright", Wx: 333.000000, Wy: 0.000000},
+	"quotesinglbase": {GlyphName: "quotesinglbase", Wx: 333.000000, Wy: 0.000000},
+	"quotesingle":    {GlyphName: "quotesingle", Wx: 278.000000, Wy: 0.000000},
+	"r":              {GlyphName: "r", Wx: 389.000000, Wy: 0.000000},
+	"racute":         {GlyphName: "racute", Wx: 389.000000, Wy: 0.000000},
+	"radical":        {GlyphName: "radical", Wx: 549.000000, Wy: 0.000000},
+	"rcaron":         {GlyphName: "rcaron", Wx: 389.000000, Wy: 0.000000},
+	"rcommaaccent":   {GlyphName: "rcommaaccent", Wx: 389.000000, Wy: 0.000000},
+	"registered":     {GlyphName: "registered", Wx: 747.000000, Wy: 0.000000},
+	"ring":           {GlyphName: "ring", Wx: 333.000000, Wy: 0.000000},
+	"s":              {GlyphName: "s", Wx: 389.000000, Wy: 0.000000},
+	"sacute":         {GlyphName: "sacute", Wx: 389.000000, Wy: 0.000000},
+	"scaron":         {GlyphName: "scaron", Wx: 389.000000, Wy: 0.000000},
+	"scedilla":       {GlyphName: "scedilla", Wx: 389.000000, Wy: 0.000000},
+	"scommaaccent":   {GlyphName: "scommaaccent", Wx: 389.000000, Wy: 0.000000},
+	"section":        {GlyphName: "section", Wx: 500.000000, Wy: 0.000000},
+	"semicolon":      {GlyphName: "semicolon", Wx: 333.000000, Wy: 0.000000},
+	"seven":          {GlyphName: "seven", Wx: 500.000000, Wy: 0.000000},
+	"six":            {GlyphName: "six", Wx: 500.000000, Wy: 0.000000},
+	"slash":          {GlyphName: "slash", Wx: 278.000000, Wy: 0.000000},
+	"space":          {GlyphName: "space", Wx: 250.000000, Wy: 0.000000},
+	"sterling":       {GlyphName: "sterling", Wx: 500.000000, Wy: 0.000000},
+	"summation":      {GlyphName: "summation", Wx: 600.000000, Wy: 0.000000},
+	"t":              {GlyphName: "t", Wx: 278.000000, Wy: 0.000000},
+	"tcaron":         {GlyphName: "tcaron", Wx: 366.000000, Wy: 0.000000},
+	"tcommaaccent":   {GlyphName: "tcommaaccent", Wx: 278.000000, Wy: 0.000000},
+	"thorn":          {GlyphName: "thorn", Wx: 500.000000, Wy: 0.000000},
+	"three":          {GlyphName: "three", Wx: 500.000000, Wy: 0.000000},
+	"threequarters":  {GlyphName: "threequarters", Wx: 750.000000, Wy: 0.000000},
+	"threesuperior":  {GlyphName: "threesuperior", Wx: 300.000000, Wy: 0.000000},
+	"tilde":          {GlyphName: "tilde", Wx: 333.000000, Wy: 0.000000},
+	"trademark":      {GlyphName: "trademark", Wx: 1000.000000, Wy: 0.000000},
+	"two":            {GlyphName: "two", Wx: 500.000000, Wy: 0.000000},
+	"twosuperior":    {GlyphName: "twosuperior", Wx: 300.000000, Wy: 0.000000},
+	"u":              {GlyphName: "u", Wx: 556.000000, Wy: 0.000000},
+	"uacute":         {GlyphName: "uacute", Wx: 556.000000, Wy: 0.000000},
+	"ucircumflex":    {GlyphName: "ucircumflex", Wx: 556.000000, Wy: 0.000000},
+	"udieresis":      {GlyphName: "udieresis", Wx: 556.000000, Wy: 0.000000},
+	"ugrave":         {GlyphName: "ugrave", Wx: 556.000000, Wy: 0.000000},
+	"uhungarumlaut":  {GlyphName: "uhungarumlaut", Wx: 556.000000, Wy: 0.000000},
+	"umacron":        {GlyphName: "umacron", Wx: 556.000000, Wy: 0.000000},
+	"underscore":     {GlyphName: "underscore", Wx: 500.000000, Wy: 0.000000},
+	"uogonek":        {GlyphName: "uogonek", Wx: 556.000000, Wy: 0.000000},
+	"uring":          {GlyphName: "uring", Wx: 556.000000, Wy: 0.000000},
+	"v":              {GlyphName: "v", Wx: 444.000000, Wy: 0.000000},
+	"w":              {GlyphName: "w", Wx: 667.000000, Wy: 0.000000},
+	"x":              {GlyphName: "x", Wx: 500.000000, Wy: 0.000000},
+	"y":              {GlyphName: "y", Wx: 444.000000, Wy: 0.000000},
+	"yacute":         {GlyphName: "yacute", Wx: 444.000000, Wy: 0.000000},
+	"ydieresis":      {GlyphName: "ydieresis", Wx: 444.000000, Wy: 0.000000},
+	"yen":            {GlyphName: "yen", Wx: 500.000000, Wy: 0.000000},
+	"z":              {GlyphName: "z", Wx: 389.000000, Wy: 0.000000},
+	"zacute":         {GlyphName: "zacute", Wx: 389.000000, Wy: 0.000000},
+	"zcaron":         {GlyphName: "zcaron", Wx: 389.000000, Wy: 0.000000},
+	"zdotaccent":     {GlyphName: "zdotaccent", Wx: 389.000000, Wy: 0.000000},
+	"zero":           {GlyphName: "zero", Wx: 500.000000, Wy: 0.000000},
+}

internal/pdf/model/fonts/times_italic.go

@@ -0,0 +1,362 @@
+package fonts
+
+import (
+	"gitea.tecamino.com/paadi/pdfmerge/internal/pdf/core"
+	"gitea.tecamino.com/paadi/pdfmerge/internal/pdf/model/textencoding"
+)
+
+// Font Times-Italic.  Implements Font interface.
+// This is a built-in font and it is assumed that every reader has access to it.
+type fontTimesItalic struct {
+	encoder textencoding.TextEncoder
+}
+
+func NewFontTimesItalic() fontTimesItalic {
+	font := fontTimesItalic{}
+	font.encoder = textencoding.NewWinAnsiTextEncoder() // Default
+	return font
+}
+
+func (font fontTimesItalic) SetEncoder(encoder textencoding.TextEncoder) {
+	font.encoder = encoder
+}
+
+func (font fontTimesItalic) GetGlyphCharMetrics(glyph string) (CharMetrics, bool) {
+	metrics, has := timesItalicCharMetrics[glyph]
+	if !has {
+		return metrics, false
+	}
+
+	return metrics, true
+}
+
+func (font fontTimesItalic) ToPdfObject() core.PdfObject {
+	obj := &core.PdfIndirectObject{}
+
+	fontDict := core.MakeDict()
+	fontDict.Set("Type", core.MakeName("Font"))
+	fontDict.Set("Subtype", core.MakeName("Type1"))
+	fontDict.Set("BaseFont", core.MakeName("Times-Italic"))
+	fontDict.Set("Encoding", font.encoder.ToPdfObject())
+
+	obj.PdfObject = fontDict
+	return obj
+}
+
+var timesItalicCharMetrics map[string]CharMetrics = map[string]CharMetrics{
+	"A":              {GlyphName: "A", Wx: 611.000000, Wy: 0.000000},
+	"AE":             {GlyphName: "AE", Wx: 889.000000, Wy: 0.000000},
+	"Aacute":         {GlyphName: "Aacute", Wx: 611.000000, Wy: 0.000000},
+	"Abreve":         {GlyphName: "Abreve", Wx: 611.000000, Wy: 0.000000},
+	"Acircumflex":    {GlyphName: "Acircumflex", Wx: 611.000000, Wy: 0.000000},
+	"Adieresis":      {GlyphName: "Adieresis", Wx: 611.000000, Wy: 0.000000},
+	"Agrave":         {GlyphName: "Agrave", Wx: 611.000000, Wy: 0.000000},
+	"Amacron":        {GlyphName: "Amacron", Wx: 611.000000, Wy: 0.000000},
+	"Aogonek":        {GlyphName: "Aogonek", Wx: 611.000000, Wy: 0.000000},
+	"Aring":          {GlyphName: "Aring", Wx: 611.000000, Wy: 0.000000},
+	"Atilde":         {GlyphName: "Atilde", Wx: 611.000000, Wy: 0.000000},
+	"B":              {GlyphName: "B", Wx: 611.000000, Wy: 0.000000},
+	"C":              {GlyphName: "C", Wx: 667.000000, Wy: 0.000000},
+	"Cacute":         {GlyphName: "Cacute", Wx: 667.000000, Wy: 0.000000},
+	"Ccaron":         {GlyphName: "Ccaron", Wx: 667.000000, Wy: 0.000000},
+	"Ccedilla":       {GlyphName: "Ccedilla", Wx: 667.000000, Wy: 0.000000},
+	"D":              {GlyphName: "D", Wx: 722.000000, Wy: 0.000000},
+	"Dcaron":         {GlyphName: "Dcaron", Wx: 722.000000, Wy: 0.000000},
+	"Dcroat":         {GlyphName: "Dcroat", Wx: 722.000000, Wy: 0.000000},
+	"Delta":          {GlyphName: "Delta", Wx: 612.000000, Wy: 0.000000},
+	"E":              {GlyphName: "E", Wx: 611.000000, Wy: 0.000000},
+	"Eacute":         {GlyphName: "Eacute", Wx: 611.000000, Wy: 0.000000},
+	"Ecaron":         {GlyphName: "Ecaron", Wx: 611.000000, Wy: 0.000000},
+	"Ecircumflex":    {GlyphName: "Ecircumflex", Wx: 611.000000, Wy: 0.000000},
+	"Edieresis":      {GlyphName: "Edieresis", Wx: 611.000000, Wy: 0.000000},
+	"Edotaccent":     {GlyphName: "Edotaccent", Wx: 611.000000, Wy: 0.000000},
+	"Egrave":         {GlyphName: "Egrave", Wx: 611.000000, Wy: 0.000000},
+	"Emacron":        {GlyphName: "Emacron", Wx: 611.000000, Wy: 0.000000},
+	"Eogonek":        {GlyphName: "Eogonek", Wx: 611.000000, Wy: 0.000000},
+	"Eth":            {GlyphName: "Eth", Wx: 722.000000, Wy: 0.000000},
+	"Euro":           {GlyphName: "Euro", Wx: 500.000000, Wy: 0.000000},
+	"F":              {GlyphName: "F", Wx: 611.000000, Wy: 0.000000},
+	"G":              {GlyphName: "G", Wx: 722.000000, Wy: 0.000000},
+	"Gbreve":         {GlyphName: "Gbreve", Wx: 722.000000, Wy: 0.000000},
+	"Gcommaaccent":   {GlyphName: "Gcommaaccent", Wx: 722.000000, Wy: 0.000000},
+	"H":              {GlyphName: "H", Wx: 722.000000, Wy: 0.000000},
+	"I":              {GlyphName: "I", Wx: 333.000000, Wy: 0.000000},
+	"Iacute":         {GlyphName: "Iacute", Wx: 333.000000, Wy: 0.000000},
+	"Icircumflex":    {GlyphName: "Icircumflex", Wx: 333.000000, Wy: 0.000000},
+	"Idieresis":      {GlyphName: "Idieresis", Wx: 333.000000, Wy: 0.000000},
+	"Idotaccent":     {GlyphName: "Idotaccent", Wx: 333.000000, Wy: 0.000000},
+	"Igrave":         {GlyphName: "Igrave", Wx: 333.000000, Wy: 0.000000},
+	"Imacron":        {GlyphName: "Imacron", Wx: 333.000000, Wy: 0.000000},
+	"Iogonek":        {GlyphName: "Iogonek", Wx: 333.000000, Wy: 0.000000},
+	"J":              {GlyphName: "J", Wx: 444.000000, Wy: 0.000000},
+	"K":              {GlyphName: "K", Wx: 667.000000, Wy: 0.000000},
+	"Kcommaaccent":   {GlyphName: "Kcommaaccent", Wx: 667.000000, Wy: 0.000000},
+	"L":              {GlyphName: "L", Wx: 556.000000, Wy: 0.000000},
+	"Lacute":         {GlyphName: "Lacute", Wx: 556.000000, Wy: 0.000000},
+	"Lcaron":         {GlyphName: "Lcaron", Wx: 611.000000, Wy: 0.000000},
+	"Lcommaaccent":   {GlyphName: "Lcommaaccent", Wx: 556.000000, Wy: 0.000000},
+	"Lslash":         {GlyphName: "Lslash", Wx: 556.000000, Wy: 0.000000},
+	"M":              {GlyphName: "M", Wx: 833.000000, Wy: 0.000000},
+	"N":              {GlyphName: "N", Wx: 667.000000, Wy: 0.000000},
+	"Nacute":         {GlyphName: "Nacute", Wx: 667.000000, Wy: 0.000000},
+	"Ncaron":         {GlyphName: "Ncaron", Wx: 667.000000, Wy: 0.000000},
+	"Ncommaaccent":   {GlyphName: "Ncommaaccent", Wx: 667.000000, Wy: 0.000000},
+	"Ntilde":         {GlyphName: "Ntilde", Wx: 667.000000, Wy: 0.000000},
+	"O":              {GlyphName: "O", Wx: 722.000000, Wy: 0.000000},
+	"OE":             {GlyphName: "OE", Wx: 944.000000, Wy: 0.000000},
+	"Oacute":         {GlyphName: "Oacute", Wx: 722.000000, Wy: 0.000000},
+	"Ocircumflex":    {GlyphName: "Ocircumflex", Wx: 722.000000, Wy: 0.000000},
+	"Odieresis":      {GlyphName: "Odieresis", Wx: 722.000000, Wy: 0.000000},
+	"Ograve":         {GlyphName: "Ograve", Wx: 722.000000, Wy: 0.000000},
+	"Ohungarumlaut":  {GlyphName: "Ohungarumlaut", Wx: 722.000000, Wy: 0.000000},
+	"Omacron":        {GlyphName: "Omacron", Wx: 722.000000, Wy: 0.000000},
+	"Oslash":         {GlyphName: "Oslash", Wx: 722.000000, Wy: 0.000000},
+	"Otilde":         {GlyphName: "Otilde", Wx: 722.000000, Wy: 0.000000},
+	"P":              {GlyphName: "P", Wx: 611.000000, Wy: 0.000000},
+	"Q":              {GlyphName: "Q", Wx: 722.000000, Wy: 0.000000},
+	"R":              {GlyphName: "R", Wx: 611.000000, Wy: 0.000000},
+	"Racute":         {GlyphName: "Racute", Wx: 611.000000, Wy: 0.000000},
+	"Rcaron":         {GlyphName: "Rcaron", Wx: 611.000000, Wy: 0.000000},
+	"Rcommaaccent":   {GlyphName: "Rcommaaccent", Wx: 611.000000, Wy: 0.000000},
+	"S":              {GlyphName: "S", Wx: 500.000000, Wy: 0.000000},
+	"Sacute":         {GlyphName: "Sacute", Wx: 500.000000, Wy: 0.000000},
+	"Scaron":         {GlyphName: "Scaron", Wx: 500.000000, Wy: 0.000000},
+	"Scedilla":       {GlyphName: "Scedilla", Wx: 500.000000, Wy: 0.000000},
+	"Scommaaccent":   {GlyphName: "Scommaaccent", Wx: 500.000000, Wy: 0.000000},
+	"T":              {GlyphName: "T", Wx: 556.000000, Wy: 0.000000},
+	"Tcaron":         {GlyphName: "Tcaron", Wx: 556.000000, Wy: 0.000000},
+	"Tcommaaccent":   {GlyphName: "Tcommaaccent", Wx: 556.000000, Wy: 0.000000},
+	"Thorn":          {GlyphName: "Thorn", Wx: 611.000000, Wy: 0.000000},
+	"U":              {GlyphName: "U", Wx: 722.000000, Wy: 0.000000},
+	"Uacute":         {GlyphName: "Uacute", Wx: 722.000000, Wy: 0.000000},
+	"Ucircumflex":    {GlyphName: "Ucircumflex", Wx: 722.000000, Wy: 0.000000},
+	"Udieresis":      {GlyphName: "Udieresis", Wx: 722.000000, Wy: 0.000000},
+	"Ugrave":         {GlyphName: "Ugrave", Wx: 722.000000, Wy: 0.000000},
+	"Uhungarumlaut":  {GlyphName: "Uhungarumlaut", Wx: 722.000000, Wy: 0.000000},
+	"Umacron":        {GlyphName: "Umacron", Wx: 722.000000, Wy: 0.000000},
+	"Uogonek":        {GlyphName: "Uogonek", Wx: 722.000000, Wy: 0.000000},
+	"Uring":          {GlyphName: "Uring", Wx: 722.000000, Wy: 0.000000},
+	"V":              {GlyphName: "V", Wx: 611.000000, Wy: 0.000000},
+	"W":              {GlyphName: "W", Wx: 833.000000, Wy: 0.000000},
+	"X":              {GlyphName: "X", Wx: 611.000000, Wy: 0.000000},
+	"Y":              {GlyphName: "Y", Wx: 556.000000, Wy: 0.000000},
+	"Yacute":         {GlyphName: "Yacute", Wx: 556.000000, Wy: 0.000000},
+	"Ydieresis":      {GlyphName: "Ydieresis", Wx: 556.000000, Wy: 0.000000},
+	"Z":              {GlyphName: "Z", Wx: 556.000000, Wy: 0.000000},
+	"Zacute":         {GlyphName: "Zacute", Wx: 556.000000, Wy: 0.000000},
+	"Zcaron":         {GlyphName: "Zcaron", Wx: 556.000000, Wy: 0.000000},
+	"Zdotaccent":     {GlyphName: "Zdotaccent", Wx: 556.000000, Wy: 0.000000},
+	"a":              {GlyphName: "a", Wx: 500.000000, Wy: 0.000000},
+	"aacute":         {GlyphName: "aacute", Wx: 500.000000, Wy: 0.000000},
+	"abreve":         {GlyphName: "abreve", Wx: 500.000000, Wy: 0.000000},
+	"acircumflex":    {GlyphName: "acircumflex", Wx: 500.000000, Wy: 0.000000},
+	"acute":          {GlyphName: "acute", Wx: 333.000000, Wy: 0.000000},
+	"adieresis":      {GlyphName: "adieresis", Wx: 500.000000, Wy: 0.000000},
+	"ae":             {GlyphName: "ae", Wx: 667.000000, Wy: 0.000000},
+	"agrave":         {GlyphName: "agrave", Wx: 500.000000, Wy: 0.000000},
+	"amacron":        {GlyphName: "amacron", Wx: 500.000000, Wy: 0.000000},
+	"ampersand":      {GlyphName: "ampersand", Wx: 778.000000, Wy: 0.000000},
+	"aogonek":        {GlyphName: "aogonek", Wx: 500.000000, Wy: 0.000000},
+	"aring":          {GlyphName: "aring", Wx: 500.000000, Wy: 0.000000},
+	"asciicircum":    {GlyphName: "asciicircum", Wx: 422.000000, Wy: 0.000000},
+	"asciitilde":     {GlyphName: "asciitilde", Wx: 541.000000, Wy: 0.000000},
+	"asterisk":       {GlyphName: "asterisk", Wx: 500.000000, Wy: 0.000000},
+	"at":             {GlyphName: "at", Wx: 920.000000, Wy: 0.000000},
+	"atilde":         {GlyphName: "atilde", Wx: 500.000000, Wy: 0.000000},
+	"b":              {GlyphName: "b", Wx: 500.000000, Wy: 0.000000},
+	"backslash":      {GlyphName: "backslash", Wx: 278.000000, Wy: 0.000000},
+	"bar":            {GlyphName: "bar", Wx: 275.000000, Wy: 0.000000},
+	"braceleft":      {GlyphName: "braceleft", Wx: 400.000000, Wy: 0.000000},
+	"braceright":     {GlyphName: "braceright", Wx: 400.000000, Wy: 0.000000},
+	"bracketleft":    {GlyphName: "bracketleft", Wx: 389.000000, Wy: 0.000000},
+	"bracketright":   {GlyphName: "bracketright", Wx: 389.000000, Wy: 0.000000},
+	"breve":          {GlyphName: "breve", Wx: 333.000000, Wy: 0.000000},
+	"brokenbar":      {GlyphName: "brokenbar", Wx: 275.000000, Wy: 0.000000},
+	"bullet":         {GlyphName: "bullet", Wx: 350.000000, Wy: 0.000000},
+	"c":              {GlyphName: "c", Wx: 444.000000, Wy: 0.000000},
+	"cacute":         {GlyphName: "cacute", Wx: 444.000000, Wy: 0.000000},
+	"caron":          {GlyphName: "caron", Wx: 333.000000, Wy: 0.000000},
+	"ccaron":         {GlyphName: "ccaron", Wx: 444.000000, Wy: 0.000000},
+	"ccedilla":       {GlyphName: "ccedilla", Wx: 444.000000, Wy: 0.000000},
+	"cedilla":        {GlyphName: "cedilla", Wx: 333.000000, Wy: 0.000000},
+	"cent":           {GlyphName: "cent", Wx: 500.000000, Wy: 0.000000},
+	"circumflex":     {GlyphName: "circumflex", Wx: 333.000000, Wy: 0.000000},
+	"colon":          {GlyphName: "colon", Wx: 333.000000, Wy: 0.000000},
+	"comma":          {GlyphName: "comma", Wx: 250.000000, Wy: 0.000000},
+	"commaaccent":    {GlyphName: "commaaccent", Wx: 250.000000, Wy: 0.000000},
+	"copyright":      {GlyphName: "copyright", Wx: 760.000000, Wy: 0.000000},
+	"currency":       {GlyphName: "currency", Wx: 500.000000, Wy: 0.000000},
+	"d":              {GlyphName: "d", Wx: 500.000000, Wy: 0.000000},
+	"dagger":         {GlyphName: "dagger", Wx: 500.000000, Wy: 0.000000},
+	"daggerdbl":      {GlyphName: "daggerdbl", Wx: 500.000000, Wy: 0.000000},
+	"dcaron":         {GlyphName: "dcaron", Wx: 544.000000, Wy: 0.000000},
+	"dcroat":         {GlyphName: "dcroat", Wx: 500.000000, Wy: 0.000000},
+	"degree":         {GlyphName: "degree", Wx: 400.000000, Wy: 0.000000},
+	"dieresis":       {GlyphName: "dieresis", Wx: 333.000000, Wy: 0.000000},
+	"divide":         {GlyphName: "divide", Wx: 675.000000, Wy: 0.000000},
+	"dollar":         {GlyphName: "dollar", Wx: 500.000000, Wy: 0.000000},
+	"dotaccent":      {GlyphName: "dotaccent", Wx: 333.000000, Wy: 0.000000},
+	"dotlessi":       {GlyphName: "dotlessi", Wx: 278.000000, Wy: 0.000000},
+	"e":              {GlyphName: "e", Wx: 444.000000, Wy: 0.000000},
+	"eacute":         {GlyphName: "eacute", Wx: 444.000000, Wy: 0.000000},
+	"ecaron":         {GlyphName: "ecaron", Wx: 444.000000, Wy: 0.000000},
+	"ecircumflex":    {GlyphName: "ecircumflex", Wx: 444.000000, Wy: 0.000000},
+	"edieresis":      {GlyphName: "edieresis", Wx: 444.000000, Wy: 0.000000},
+	"edotaccent":     {GlyphName: "edotaccent", Wx: 444.000000, Wy: 0.000000},
+	"egrave":         {GlyphName: "egrave", Wx: 444.000000, Wy: 0.000000},
+	"eight":          {GlyphName: "eight", Wx: 500.000000, Wy: 0.000000},
+	"ellipsis":       {GlyphName: "ellipsis", Wx: 889.000000, Wy: 0.000000},
+	"emacron":        {GlyphName: "emacron", Wx: 444.000000, Wy: 0.000000},
+	"emdash":         {GlyphName: "emdash", Wx: 889.000000, Wy: 0.000000},
+	"endash":         {GlyphName: "endash", Wx: 500.000000, Wy: 0.000000},
+	"eogonek":        {GlyphName: "eogonek", Wx: 444.000000, Wy: 0.000000},
+	"equal":          {GlyphName: "equal", Wx: 675.000000, Wy: 0.000000},
+	"eth":            {GlyphName: "eth", Wx: 500.000000, Wy: 0.000000},
+	"exclam":         {GlyphName: "exclam", Wx: 333.000000, Wy: 0.000000},
+	"exclamdown":     {GlyphName: "exclamdown", Wx: 389.000000, Wy: 0.000000},
+	"f":              {GlyphName: "f", Wx: 278.000000, Wy: 0.000000},
+	"fi":             {GlyphName: "fi", Wx: 500.000000, Wy: 0.000000},
+	"five":           {GlyphName: "five", Wx: 500.000000, Wy: 0.000000},
+	"fl":             {GlyphName: "fl", Wx: 500.000000, Wy: 0.000000},
+	"florin":         {GlyphName: "florin", Wx: 500.000000, Wy: 0.000000},
+	"four":           {GlyphName: "four", Wx: 500.000000, Wy: 0.000000},
+	"fraction":       {GlyphName: "fraction", Wx: 167.000000, Wy: 0.000000},
+	"g":              {GlyphName: "g", Wx: 500.000000, Wy: 0.000000},
+	"gbreve":         {GlyphName: "gbreve", Wx: 500.000000, Wy: 0.000000},
+	"gcommaaccent":   {GlyphName: "gcommaaccent", Wx: 500.000000, Wy: 0.000000},
+	"germandbls":     {GlyphName: "germandbls", Wx: 500.000000, Wy: 0.000000},
+	"grave":          {GlyphName: "grave", Wx: 333.000000, Wy: 0.000000},
+	"greater":        {GlyphName: "greater", Wx: 675.000000, Wy: 0.000000},
+	"greaterequal":   {GlyphName: "greaterequal", Wx: 549.000000, Wy: 0.000000},
+	"guillemotleft":  {GlyphName: "guillemotleft", Wx: 500.000000, Wy: 0.000000},
+	"guillemotright": {GlyphName: "guillemotright", Wx: 500.000000, Wy: 0.000000},
+	"guilsinglleft":  {GlyphName: "guilsinglleft", Wx: 333.000000, Wy: 0.000000},
+	"guilsinglright": {GlyphName: "guilsinglright", Wx: 333.000000, Wy: 0.000000},
+	"h":              {GlyphName: "h", Wx: 500.000000, Wy: 0.000000},
+	"hungarumlaut":   {GlyphName: "hungarumlaut", Wx: 333.000000, Wy: 0.000000},
+	"hyphen":         {GlyphName: "hyphen", Wx: 333.000000, Wy: 0.000000},
+	"i":              {GlyphName: "i", Wx: 278.000000, Wy: 0.000000},
+	"iacute":         {GlyphName: "iacute", Wx: 278.000000, Wy: 0.000000},
+	"icircumflex":    {GlyphName: "icircumflex", Wx: 278.000000, Wy: 0.000000},
+	"idieresis":      {GlyphName: "idieresis", Wx: 278.000000, Wy: 0.000000},
+	"igrave":         {GlyphName: "igrave", Wx: 278.000000, Wy: 0.000000},
+	"imacron":        {GlyphName: "imacron", Wx: 278.000000, Wy: 0.000000},
+	"iogonek":        {GlyphName: "iogonek", Wx: 278.000000, Wy: 0.000000},
+	"j":              {GlyphName: "j", Wx: 278.000000, Wy: 0.000000},
+	"k":              {GlyphName: "k", Wx: 444.000000, Wy: 0.000000},
+	"kcommaaccent":   {GlyphName: "kcommaaccent", Wx: 444.000000, Wy: 0.000000},
+	"l":              {GlyphName: "l", Wx: 278.000000, Wy: 0.000000},
+	"lacute":         {GlyphName: "lacute", Wx: 278.000000, Wy: 0.000000},
+	"lcaron":         {GlyphName: "lcaron", Wx: 300.000000, Wy: 0.000000},
+	"lcommaaccent":   {GlyphName: "lcommaaccent", Wx: 278.000000, Wy: 0.000000},
+	"less":           {GlyphName: "less", Wx: 675.000000, Wy: 0.000000},
+	"lessequal":      {GlyphName: "lessequal", Wx: 549.000000, Wy: 0.000000},
+	"logicalnot":     {GlyphName: "logicalnot", Wx: 675.000000, Wy: 0.000000},
+	"lozenge":        {GlyphName: "lozenge", Wx: 471.000000, Wy: 0.000000},
+	"lslash":         {GlyphName: "lslash", Wx: 278.000000, Wy: 0.000000},
+	"m":              {GlyphName: "m", Wx: 722.000000, Wy: 0.000000},
+	"macron":         {GlyphName: "macron", Wx: 333.000000, Wy: 0.000000},
+	"minus":          {GlyphName: "minus", Wx: 675.000000, Wy: 0.000000},
+	"mu":             {GlyphName: "mu", Wx: 500.000000, Wy: 0.000000},
+	"multiply":       {GlyphName: "multiply", Wx: 675.000000, Wy: 0.000000},
+	"n":              {GlyphName: "n", Wx: 500.000000, Wy: 0.000000},
+	"nacute":         {GlyphName: "nacute", Wx: 500.000000, Wy: 0.000000},
+	"ncaron":         {GlyphName: "ncaron", Wx: 500.000000, Wy: 0.000000},
+	"ncommaaccent":   {GlyphName: "ncommaaccent", Wx: 500.000000, Wy: 0.000000},
+	"nine":           {GlyphName: "nine", Wx: 500.000000, Wy: 0.000000},
+	"notequal":       {GlyphName: "notequal", Wx: 549.000000, Wy: 0.000000},
+	"ntilde":         {GlyphName: "ntilde", Wx: 500.000000, Wy: 0.000000},
+	"numbersign":     {GlyphName: "numbersign", Wx: 500.000000, Wy: 0.000000},
+	"o":              {GlyphName: "o", Wx: 500.000000, Wy: 0.000000},
+	"oacute":         {GlyphName: "oacute", Wx: 500.000000, Wy: 0.000000},
+	"ocircumflex":    {GlyphName: "ocircumflex", Wx: 500.000000, Wy: 0.000000},
+	"odieresis":      {GlyphName: "odieresis", Wx: 500.000000, Wy: 0.000000},
+	"oe":             {GlyphName: "oe", Wx: 667.000000, Wy: 0.000000},
+	"ogonek":         {GlyphName: "ogonek", Wx: 333.000000, Wy: 0.000000},
+	"ograve":         {GlyphName: "ograve", Wx: 500.000000, Wy: 0.000000},
+	"ohungarumlaut":  {GlyphName: "ohungarumlaut", Wx: 500.000000, Wy: 0.000000},
+	"omacron":        {GlyphName: "omacron", Wx: 500.000000, Wy: 0.000000},
+	"one":            {GlyphName: "one", Wx: 500.000000, Wy: 0.000000},
+	"onehalf":        {GlyphName: "onehalf", Wx: 750.000000, Wy: 0.000000},
+	"onequarter":     {GlyphName: "onequarter", Wx: 750.000000, Wy: 0.000000},
+	"onesuperior":    {GlyphName: "onesuperior", Wx: 300.000000, Wy: 0.000000},
+	"ordfeminine":    {GlyphName: "ordfeminine", Wx: 276.000000, Wy: 0.000000},
+	"ordmasculine":   {GlyphName: "ordmasculine", Wx: 310.000000, Wy: 0.000000},
+	"oslash":         {GlyphName: "oslash", Wx: 500.000000, Wy: 0.000000},
+	"otilde":         {GlyphName: "otilde", Wx: 500.000000, Wy: 0.000000},
+	"p":              {GlyphName: "p", Wx: 500.000000, Wy: 0.000000},
+	"paragraph":      {GlyphName: "paragraph", Wx: 523.000000, Wy: 0.000000},
+	"parenleft":      {GlyphName: "parenleft", Wx: 333.000000, Wy: 0.000000},
+	"parenright":     {GlyphName: "parenright", Wx: 333.000000, Wy: 0.000000},
+	"partialdiff":    {GlyphName: "partialdiff", Wx: 476.000000, Wy: 0.000000},
+	"percent":        {GlyphName: "percent", Wx: 833.000000, Wy: 0.000000},
+	"period":         {GlyphName: "period", Wx: 250.000000, Wy: 0.000000},
+	"periodcentered": {GlyphName: "periodcentered", Wx: 250.000000, Wy: 0.000000},
+	"perthousand":    {GlyphName: "perthousand", Wx: 1000.000000, Wy: 0.000000},
+	"plus":           {GlyphName: "plus", Wx: 675.000000, Wy: 0.000000},
+	"plusminus":      {GlyphName: "plusminus", Wx: 675.000000, Wy: 0.000000},
+	"q":              {GlyphName: "q", Wx: 500.000000, Wy: 0.000000},
+	"question":       {GlyphName: "question", Wx: 500.000000, Wy: 0.000000},
+	"questiondown":   {GlyphName: "questiondown", Wx: 500.000000, Wy: 0.000000},
+	"quotedbl":       {GlyphName: "quotedbl", Wx: 420.000000, Wy: 0.000000},
+	"quotedblbase":   {GlyphName: "quotedblbase", Wx: 556.000000, Wy: 0.000000},
+	"quotedblleft":   {GlyphName: "quotedblleft", Wx: 556.000000, Wy: 0.000000},
+	"quotedblright":  {GlyphName: "quotedblright", Wx: 556.000000, Wy: 0.000000},
+	"quoteleft":      {GlyphName: "quoteleft", Wx: 333.000000, Wy: 0.000000},
+	"quoteright":     {GlyphName: "quoteright", Wx: 333.000000, Wy: 0.000000},
+	"quotesinglbase": {GlyphName: "quotesinglbase", Wx: 333.000000, Wy: 0.000000},
+	"quotesingle":    {GlyphName: "quotesingle", Wx: 214.000000, Wy: 0.000000},
+	"r":              {GlyphName: "r", Wx: 389.000000, Wy: 0.000000},
+	"racute":         {GlyphName: "racute", Wx: 389.000000, Wy: 0.000000},
+	"radical":        {GlyphName: "radical", Wx: 453.000000, Wy: 0.000000},
+	"rcaron":         {GlyphName: "rcaron", Wx: 389.000000, Wy: 0.000000},
+	"rcommaaccent":   {GlyphName: "rcommaaccent", Wx: 389.000000, Wy: 0.000000},
+	"registered":     {GlyphName: "registered", Wx: 760.000000, Wy: 0.000000},
+	"ring":           {GlyphName: "ring", Wx: 333.000000, Wy: 0.000000},
+	"s":              {GlyphName: "s", Wx: 389.000000, Wy: 0.000000},
+	"sacute":         {GlyphName: "sacute", Wx: 389.000000, Wy: 0.000000},
+	"scaron":         {GlyphName: "scaron", Wx: 389.000000, Wy: 0.000000},
+	"scedilla":       {GlyphName: "scedilla", Wx: 389.000000, Wy: 0.000000},
+	"scommaaccent":   {GlyphName: "scommaaccent", Wx: 389.000000, Wy: 0.000000},
+	"section":        {GlyphName: "section", Wx: 500.000000, Wy: 0.000000},
+	"semicolon":      {GlyphName: "semicolon", Wx: 333.000000, Wy: 0.000000},
+	"seven":          {GlyphName: "seven", Wx: 500.000000, Wy: 0.000000},
+	"six":            {GlyphName: "six", Wx: 500.000000, Wy: 0.000000},
+	"slash":          {GlyphName: "slash", Wx: 278.000000, Wy: 0.000000},
+	"space":          {GlyphName: "space", Wx: 250.000000, Wy: 0.000000},
+	"sterling":       {GlyphName: "sterling", Wx: 500.000000, Wy: 0.000000},
+	"summation":      {GlyphName: "summation", Wx: 600.000000, Wy: 0.000000},
+	"t":              {GlyphName: "t", Wx: 278.000000, Wy: 0.000000},
+	"tcaron":         {GlyphName: "tcaron", Wx: 300.000000, Wy: 0.000000},
+	"tcommaaccent":   {GlyphName: "tcommaaccent", Wx: 278.000000, Wy: 0.000000},
+	"thorn":          {GlyphName: "thorn", Wx: 500.000000, Wy: 0.000000},
+	"three":          {GlyphName: "three", Wx: 500.000000, Wy: 0.000000},
+	"threequarters":  {GlyphName: "threequarters", Wx: 750.000000, Wy: 0.000000},
+	"threesuperior":  {GlyphName: "threesuperior", Wx: 300.000000, Wy: 0.000000},
+	"tilde":          {GlyphName: "tilde", Wx: 333.000000, Wy: 0.000000},
+	"trademark":      {GlyphName: "trademark", Wx: 980.000000, Wy: 0.000000},
+	"two":            {GlyphName: "two", Wx: 500.000000, Wy: 0.000000},
+	"twosuperior":    {GlyphName: "twosuperior", Wx: 300.000000, Wy: 0.000000},
+	"u":              {GlyphName: "u", Wx: 500.000000, Wy: 0.000000},
+	"uacute":         {GlyphName: "uacute", Wx: 500.000000, Wy: 0.000000},
+	"ucircumflex":    {GlyphName: "ucircumflex", Wx: 500.000000, Wy: 0.000000},
+	"udieresis":      {GlyphName: "udieresis", Wx: 500.000000, Wy: 0.000000},
+	"ugrave":         {GlyphName: "ugrave", Wx: 500.000000, Wy: 0.000000},
+	"uhungarumlaut":  {GlyphName: "uhungarumlaut", Wx: 500.000000, Wy: 0.000000},
+	"umacron":        {GlyphName: "umacron", Wx: 500.000000, Wy: 0.000000},
+	"underscore":     {GlyphName: "underscore", Wx: 500.000000, Wy: 0.000000},
+	"uogonek":        {GlyphName: "uogonek", Wx: 500.000000, Wy: 0.000000},
+	"uring":          {GlyphName: "uring", Wx: 500.000000, Wy: 0.000000},
+	"v":              {GlyphName: "v", Wx: 444.000000, Wy: 0.000000},
+	"w":              {GlyphName: "w", Wx: 667.000000, Wy: 0.000000},
+	"x":              {GlyphName: "x", Wx: 444.000000, Wy: 0.000000},
+	"y":              {GlyphName: "y", Wx: 444.000000, Wy: 0.000000},
+	"yacute":         {GlyphName: "yacute", Wx: 444.000000, Wy: 0.000000},
+	"ydieresis":      {GlyphName: "ydieresis", Wx: 444.000000, Wy: 0.000000},
+	"yen":            {GlyphName: "yen", Wx: 500.000000, Wy: 0.000000},
+	"z":              {GlyphName: "z", Wx: 389.000000, Wy: 0.000000},
+	"zacute":         {GlyphName: "zacute", Wx: 389.000000, Wy: 0.000000},
+	"zcaron":         {GlyphName: "zcaron", Wx: 389.000000, Wy: 0.000000},
+	"zdotaccent":     {GlyphName: "zdotaccent", Wx: 389.000000, Wy: 0.000000},
+	"zero":           {GlyphName: "zero", Wx: 500.000000, Wy: 0.000000},
+}

internal/pdf/model/fonts/times_roman.go

@@ -0,0 +1,362 @@
+package fonts
+
+import (
+	"gitea.tecamino.com/paadi/pdfmerge/internal/pdf/core"
+	"gitea.tecamino.com/paadi/pdfmerge/internal/pdf/model/textencoding"
+)
+
+// Font Times-Roman.  Implements Font interface.
+// This is a built-in font and it is assumed that every reader has access to it.
+type fontTimesRoman struct {
+	encoder textencoding.TextEncoder
+}
+
+func NewFontTimesRoman() fontTimesRoman {
+	font := fontTimesRoman{}
+	font.encoder = textencoding.NewWinAnsiTextEncoder() // Default
+	return font
+}
+
+func (font fontTimesRoman) SetEncoder(encoder textencoding.TextEncoder) {
+	font.encoder = encoder
+}
+
+func (font fontTimesRoman) GetGlyphCharMetrics(glyph string) (CharMetrics, bool) {
+	metrics, has := timesRomanCharMetrics[glyph]
+	if !has {
+		return metrics, false
+	}
+
+	return metrics, true
+}
+
+func (font fontTimesRoman) ToPdfObject() core.PdfObject {
+	obj := &core.PdfIndirectObject{}
+
+	fontDict := core.MakeDict()
+	fontDict.Set("Type", core.MakeName("Font"))
+	fontDict.Set("Subtype", core.MakeName("Type1"))
+	fontDict.Set("BaseFont", core.MakeName("Times-Roman"))
+	fontDict.Set("Encoding", font.encoder.ToPdfObject())
+
+	obj.PdfObject = fontDict
+	return obj
+}
+
+var timesRomanCharMetrics map[string]CharMetrics = map[string]CharMetrics{
+	"A":              {GlyphName: "A", Wx: 722.000000, Wy: 0.000000},
+	"AE":             {GlyphName: "AE", Wx: 889.000000, Wy: 0.000000},
+	"Aacute":         {GlyphName: "Aacute", Wx: 722.000000, Wy: 0.000000},
+	"Abreve":         {GlyphName: "Abreve", Wx: 722.000000, Wy: 0.000000},
+	"Acircumflex":    {GlyphName: "Acircumflex", Wx: 722.000000, Wy: 0.000000},
+	"Adieresis":      {GlyphName: "Adieresis", Wx: 722.000000, Wy: 0.000000},
+	"Agrave":         {GlyphName: "Agrave", Wx: 722.000000, Wy: 0.000000},
+	"Amacron":        {GlyphName: "Amacron", Wx: 722.000000, Wy: 0.000000},
+	"Aogonek":        {GlyphName: "Aogonek", Wx: 722.000000, Wy: 0.000000},
+	"Aring":          {GlyphName: "Aring", Wx: 722.000000, Wy: 0.000000},
+	"Atilde":         {GlyphName: "Atilde", Wx: 722.000000, Wy: 0.000000},
+	"B":              {GlyphName: "B", Wx: 667.000000, Wy: 0.000000},
+	"C":              {GlyphName: "C", Wx: 667.000000, Wy: 0.000000},
+	"Cacute":         {GlyphName: "Cacute", Wx: 667.000000, Wy: 0.000000},
+	"Ccaron":         {GlyphName: "Ccaron", Wx: 667.000000, Wy: 0.000000},
+	"Ccedilla":       {GlyphName: "Ccedilla", Wx: 667.000000, Wy: 0.000000},
+	"D":              {GlyphName: "D", Wx: 722.000000, Wy: 0.000000},
+	"Dcaron":         {GlyphName: "Dcaron", Wx: 722.000000, Wy: 0.000000},
+	"Dcroat":         {GlyphName: "Dcroat", Wx: 722.000000, Wy: 0.000000},
+	"Delta":          {GlyphName: "Delta", Wx: 612.000000, Wy: 0.000000},
+	"E":              {GlyphName: "E", Wx: 611.000000, Wy: 0.000000},
+	"Eacute":         {GlyphName: "Eacute", Wx: 611.000000, Wy: 0.000000},
+	"Ecaron":         {GlyphName: "Ecaron", Wx: 611.000000, Wy: 0.000000},
+	"Ecircumflex":    {GlyphName: "Ecircumflex", Wx: 611.000000, Wy: 0.000000},
+	"Edieresis":      {GlyphName: "Edieresis", Wx: 611.000000, Wy: 0.000000},
+	"Edotaccent":     {GlyphName: "Edotaccent", Wx: 611.000000, Wy: 0.000000},
+	"Egrave":         {GlyphName: "Egrave", Wx: 611.000000, Wy: 0.000000},
+	"Emacron":        {GlyphName: "Emacron", Wx: 611.000000, Wy: 0.000000},
+	"Eogonek":        {GlyphName: "Eogonek", Wx: 611.000000, Wy: 0.000000},
+	"Eth":            {GlyphName: "Eth", Wx: 722.000000, Wy: 0.000000},
+	"Euro":           {GlyphName: "Euro", Wx: 500.000000, Wy: 0.000000},
+	"F":              {GlyphName: "F", Wx: 556.000000, Wy: 0.000000},
+	"G":              {GlyphName: "G", Wx: 722.000000, Wy: 0.000000},
+	"Gbreve":         {GlyphName: "Gbreve", Wx: 722.000000, Wy: 0.000000},
+	"Gcommaaccent":   {GlyphName: "Gcommaaccent", Wx: 722.000000, Wy: 0.000000},
+	"H":              {GlyphName: "H", Wx: 722.000000, Wy: 0.000000},
+	"I":              {GlyphName: "I", Wx: 333.000000, Wy: 0.000000},
+	"Iacute":         {GlyphName: "Iacute", Wx: 333.000000, Wy: 0.000000},
+	"Icircumflex":    {GlyphName: "Icircumflex", Wx: 333.000000, Wy: 0.000000},
+	"Idieresis":      {GlyphName: "Idieresis", Wx: 333.000000, Wy: 0.000000},
+	"Idotaccent":     {GlyphName: "Idotaccent", Wx: 333.000000, Wy: 0.000000},
+	"Igrave":         {GlyphName: "Igrave", Wx: 333.000000, Wy: 0.000000},
+	"Imacron":        {GlyphName: "Imacron", Wx: 333.000000, Wy: 0.000000},
+	"Iogonek":        {GlyphName: "Iogonek", Wx: 333.000000, Wy: 0.000000},
+	"J":              {GlyphName: "J", Wx: 389.000000, Wy: 0.000000},
+	"K":              {GlyphName: "K", Wx: 722.000000, Wy: 0.000000},
+	"Kcommaaccent":   {GlyphName: "Kcommaaccent", Wx: 722.000000, Wy: 0.000000},
+	"L":              {GlyphName: "L", Wx: 611.000000, Wy: 0.000000},
+	"Lacute":         {GlyphName: "Lacute", Wx: 611.000000, Wy: 0.000000},
+	"Lcaron":         {GlyphName: "Lcaron", Wx: 611.000000, Wy: 0.000000},
+	"Lcommaaccent":   {GlyphName: "Lcommaaccent", Wx: 611.000000, Wy: 0.000000},
+	"Lslash":         {GlyphName: "Lslash", Wx: 611.000000, Wy: 0.000000},
+	"M":              {GlyphName: "M", Wx: 889.000000, Wy: 0.000000},
+	"N":              {GlyphName: "N", Wx: 722.000000, Wy: 0.000000},
+	"Nacute":         {GlyphName: "Nacute", Wx: 722.000000, Wy: 0.000000},
+	"Ncaron":         {GlyphName: "Ncaron", Wx: 722.000000, Wy: 0.000000},
+	"Ncommaaccent":   {GlyphName: "Ncommaaccent", Wx: 722.000000, Wy: 0.000000},
+	"Ntilde":         {GlyphName: "Ntilde", Wx: 722.000000, Wy: 0.000000},
+	"O":              {GlyphName: "O", Wx: 722.000000, Wy: 0.000000},
+	"OE":             {GlyphName: "OE", Wx: 889.000000, Wy: 0.000000},
+	"Oacute":         {GlyphName: "Oacute", Wx: 722.000000, Wy: 0.000000},
+	"Ocircumflex":    {GlyphName: "Ocircumflex", Wx: 722.000000, Wy: 0.000000},
+	"Odieresis":      {GlyphName: "Odieresis", Wx: 722.000000, Wy: 0.000000},
+	"Ograve":         {GlyphName: "Ograve", Wx: 722.000000, Wy: 0.000000},
+	"Ohungarumlaut":  {GlyphName: "Ohungarumlaut", Wx: 722.000000, Wy: 0.000000},
+	"Omacron":        {GlyphName: "Omacron", Wx: 722.000000, Wy: 0.000000},
+	"Oslash":         {GlyphName: "Oslash", Wx: 722.000000, Wy: 0.000000},
+	"Otilde":         {GlyphName: "Otilde", Wx: 722.000000, Wy: 0.000000},
+	"P":              {GlyphName: "P", Wx: 556.000000, Wy: 0.000000},
+	"Q":              {GlyphName: "Q", Wx: 722.000000, Wy: 0.000000},
+	"R":              {GlyphName: "R", Wx: 667.000000, Wy: 0.000000},
+	"Racute":         {GlyphName: "Racute", Wx: 667.000000, Wy: 0.000000},
+	"Rcaron":         {GlyphName: "Rcaron", Wx: 667.000000, Wy: 0.000000},
+	"Rcommaaccent":   {GlyphName: "Rcommaaccent", Wx: 667.000000, Wy: 0.000000},
+	"S":              {GlyphName: "S", Wx: 556.000000, Wy: 0.000000},
+	"Sacute":         {GlyphName: "Sacute", Wx: 556.000000, Wy: 0.000000},
+	"Scaron":         {GlyphName: "Scaron", Wx: 556.000000, Wy: 0.000000},
+	"Scedilla":       {GlyphName: "Scedilla", Wx: 556.000000, Wy: 0.000000},
+	"Scommaaccent":   {GlyphName: "Scommaaccent", Wx: 556.000000, Wy: 0.000000},
+	"T":              {GlyphName: "T", Wx: 611.000000, Wy: 0.000000},
+	"Tcaron":         {GlyphName: "Tcaron", Wx: 611.000000, Wy: 0.000000},
+	"Tcommaaccent":   {GlyphName: "Tcommaaccent", Wx: 611.000000, Wy: 0.000000},
+	"Thorn":          {GlyphName: "Thorn", Wx: 556.000000, Wy: 0.000000},
+	"U":              {GlyphName: "U", Wx: 722.000000, Wy: 0.000000},
+	"Uacute":         {GlyphName: "Uacute", Wx: 722.000000, Wy: 0.000000},
+	"Ucircumflex":    {GlyphName: "Ucircumflex", Wx: 722.000000, Wy: 0.000000},
+	"Udieresis":      {GlyphName: "Udieresis", Wx: 722.000000, Wy: 0.000000},
+	"Ugrave":         {GlyphName: "Ugrave", Wx: 722.000000, Wy: 0.000000},
+	"Uhungarumlaut":  {GlyphName: "Uhungarumlaut", Wx: 722.000000, Wy: 0.000000},
+	"Umacron":        {GlyphName: "Umacron", Wx: 722.000000, Wy: 0.000000},
+	"Uogonek":        {GlyphName: "Uogonek", Wx: 722.000000, Wy: 0.000000},
+	"Uring":          {GlyphName: "Uring", Wx: 722.000000, Wy: 0.000000},
+	"V":              {GlyphName: "V", Wx: 722.000000, Wy: 0.000000},
+	"W":              {GlyphName: "W", Wx: 944.000000, Wy: 0.000000},
+	"X":              {GlyphName: "X", Wx: 722.000000, Wy: 0.000000},
+	"Y":              {GlyphName: "Y", Wx: 722.000000, Wy: 0.000000},
+	"Yacute":         {GlyphName: "Yacute", Wx: 722.000000, Wy: 0.000000},
+	"Ydieresis":      {GlyphName: "Ydieresis", Wx: 722.000000, Wy: 0.000000},
+	"Z":              {GlyphName: "Z", Wx: 611.000000, Wy: 0.000000},
+	"Zacute":         {GlyphName: "Zacute", Wx: 611.000000, Wy: 0.000000},
+	"Zcaron":         {GlyphName: "Zcaron", Wx: 611.000000, Wy: 0.000000},
+	"Zdotaccent":     {GlyphName: "Zdotaccent", Wx: 611.000000, Wy: 0.000000},
+	"a":              {GlyphName: "a", Wx: 444.000000, Wy: 0.000000},
+	"aacute":         {GlyphName: "aacute", Wx: 444.000000, Wy: 0.000000},
+	"abreve":         {GlyphName: "abreve", Wx: 444.000000, Wy: 0.000000},
+	"acircumflex":    {GlyphName: "acircumflex", Wx: 444.000000, Wy: 0.000000},
+	"acute":          {GlyphName: "acute", Wx: 333.000000, Wy: 0.000000},
+	"adieresis":      {GlyphName: "adieresis", Wx: 444.000000, Wy: 0.000000},
+	"ae":             {GlyphName: "ae", Wx: 667.000000, Wy: 0.000000},
+	"agrave":         {GlyphName: "agrave", Wx: 444.000000, Wy: 0.000000},
+	"amacron":        {GlyphName: "amacron", Wx: 444.000000, Wy: 0.000000},
+	"ampersand":      {GlyphName: "ampersand", Wx: 778.000000, Wy: 0.000000},
+	"aogonek":        {GlyphName: "aogonek", Wx: 444.000000, Wy: 0.000000},
+	"aring":          {GlyphName: "aring", Wx: 444.000000, Wy: 0.000000},
+	"asciicircum":    {GlyphName: "asciicircum", Wx: 469.000000, Wy: 0.000000},
+	"asciitilde":     {GlyphName: "asciitilde", Wx: 541.000000, Wy: 0.000000},
+	"asterisk":       {GlyphName: "asterisk", Wx: 500.000000, Wy: 0.000000},
+	"at":             {GlyphName: "at", Wx: 921.000000, Wy: 0.000000},
+	"atilde":         {GlyphName: "atilde", Wx: 444.000000, Wy: 0.000000},
+	"b":              {GlyphName: "b", Wx: 500.000000, Wy: 0.000000},
+	"backslash":      {GlyphName: "backslash", Wx: 278.000000, Wy: 0.000000},
+	"bar":            {GlyphName: "bar", Wx: 200.000000, Wy: 0.000000},
+	"braceleft":      {GlyphName: "braceleft", Wx: 480.000000, Wy: 0.000000},
+	"braceright":     {GlyphName: "braceright", Wx: 480.000000, Wy: 0.000000},
+	"bracketleft":    {GlyphName: "bracketleft", Wx: 333.000000, Wy: 0.000000},
+	"bracketright":   {GlyphName: "bracketright", Wx: 333.000000, Wy: 0.000000},
+	"breve":          {GlyphName: "breve", Wx: 333.000000, Wy: 0.000000},
+	"brokenbar":      {GlyphName: "brokenbar", Wx: 200.000000, Wy: 0.000000},
+	"bullet":         {GlyphName: "bullet", Wx: 350.000000, Wy: 0.000000},
+	"c":              {GlyphName: "c", Wx: 444.000000, Wy: 0.000000},
+	"cacute":         {GlyphName: "cacute", Wx: 444.000000, Wy: 0.000000},
+	"caron":          {GlyphName: "caron", Wx: 333.000000, Wy: 0.000000},
+	"ccaron":         {GlyphName: "ccaron", Wx: 444.000000, Wy: 0.000000},
+	"ccedilla":       {GlyphName: "ccedilla", Wx: 444.000000, Wy: 0.000000},
+	"cedilla":        {GlyphName: "cedilla", Wx: 333.000000, Wy: 0.000000},
+	"cent":           {GlyphName: "cent", Wx: 500.000000, Wy: 0.000000},
+	"circumflex":     {GlyphName: "circumflex", Wx: 333.000000, Wy: 0.000000},
+	"colon":          {GlyphName: "colon", Wx: 278.000000, Wy: 0.000000},
+	"comma":          {GlyphName: "comma", Wx: 250.000000, Wy: 0.000000},
+	"commaaccent":    {GlyphName: "commaaccent", Wx: 250.000000, Wy: 0.000000},
+	"copyright":      {GlyphName: "copyright", Wx: 760.000000, Wy: 0.000000},
+	"currency":       {GlyphName: "currency", Wx: 500.000000, Wy: 0.000000},
+	"d":              {GlyphName: "d", Wx: 500.000000, Wy: 0.000000},
+	"dagger":         {GlyphName: "dagger", Wx: 500.000000, Wy: 0.000000},
+	"daggerdbl":      {GlyphName: "daggerdbl", Wx: 500.000000, Wy: 0.000000},
+	"dcaron":         {GlyphName: "dcaron", Wx: 588.000000, Wy: 0.000000},
+	"dcroat":         {GlyphName: "dcroat", Wx: 500.000000, Wy: 0.000000},
+	"degree":         {GlyphName: "degree", Wx: 400.000000, Wy: 0.000000},
+	"dieresis":       {GlyphName: "dieresis", Wx: 333.000000, Wy: 0.000000},
+	"divide":         {GlyphName: "divide", Wx: 564.000000, Wy: 0.000000},
+	"dollar":         {GlyphName: "dollar", Wx: 500.000000, Wy: 0.000000},
+	"dotaccent":      {GlyphName: "dotaccent", Wx: 333.000000, Wy: 0.000000},
+	"dotlessi":       {GlyphName: "dotlessi", Wx: 278.000000, Wy: 0.000000},
+	"e":              {GlyphName: "e", Wx: 444.000000, Wy: 0.000000},
+	"eacute":         {GlyphName: "eacute", Wx: 444.000000, Wy: 0.000000},
+	"ecaron":         {GlyphName: "ecaron", Wx: 444.000000, Wy: 0.000000},
+	"ecircumflex":    {GlyphName: "ecircumflex", Wx: 444.000000, Wy: 0.000000},
+	"edieresis":      {GlyphName: "edieresis", Wx: 444.000000, Wy: 0.000000},
+	"edotaccent":     {GlyphName: "edotaccent", Wx: 444.000000, Wy: 0.000000},
+	"egrave":         {GlyphName: "egrave", Wx: 444.000000, Wy: 0.000000},
+	"eight":          {GlyphName: "eight", Wx: 500.000000, Wy: 0.000000},
+	"ellipsis":       {GlyphName: "ellipsis", Wx: 1000.000000, Wy: 0.000000},
+	"emacron":        {GlyphName: "emacron", Wx: 444.000000, Wy: 0.000000},
+	"emdash":         {GlyphName: "emdash", Wx: 1000.000000, Wy: 0.000000},
+	"endash":         {GlyphName: "endash", Wx: 500.000000, Wy: 0.000000},
+	"eogonek":        {GlyphName: "eogonek", Wx: 444.000000, Wy: 0.000000},
+	"equal":          {GlyphName: "equal", Wx: 564.000000, Wy: 0.000000},
+	"eth":            {GlyphName: "eth", Wx: 500.000000, Wy: 0.000000},
+	"exclam":         {GlyphName: "exclam", Wx: 333.000000, Wy: 0.000000},
+	"exclamdown":     {GlyphName: "exclamdown", Wx: 333.000000, Wy: 0.000000},
+	"f":              {GlyphName: "f", Wx: 333.000000, Wy: 0.000000},
+	"fi":             {GlyphName: "fi", Wx: 556.000000, Wy: 0.000000},
+	"five":           {GlyphName: "five", Wx: 500.000000, Wy: 0.000000},
+	"fl":             {GlyphName: "fl", Wx: 556.000000, Wy: 0.000000},
+	"florin":         {GlyphName: "florin", Wx: 500.000000, Wy: 0.000000},
+	"four":           {GlyphName: "four", Wx: 500.000000, Wy: 0.000000},
+	"fraction":       {GlyphName: "fraction", Wx: 167.000000, Wy: 0.000000},
+	"g":              {GlyphName: "g", Wx: 500.000000, Wy: 0.000000},
+	"gbreve":         {GlyphName: "gbreve", Wx: 500.000000, Wy: 0.000000},
+	"gcommaaccent":   {GlyphName: "gcommaaccent", Wx: 500.000000, Wy: 0.000000},
+	"germandbls":     {GlyphName: "germandbls", Wx: 500.000000, Wy: 0.000000},
+	"grave":          {GlyphName: "grave", Wx: 333.000000, Wy: 0.000000},
+	"greater":        {GlyphName: "greater", Wx: 564.000000, Wy: 0.000000},
+	"greaterequal":   {GlyphName: "greaterequal", Wx: 549.000000, Wy: 0.000000},
+	"guillemotleft":  {GlyphName: "guillemotleft", Wx: 500.000000, Wy: 0.000000},
+	"guillemotright": {GlyphName: "guillemotright", Wx: 500.000000, Wy: 0.000000},
+	"guilsinglleft":  {GlyphName: "guilsinglleft", Wx: 333.000000, Wy: 0.000000},
+	"guilsinglright": {GlyphName: "guilsinglright", Wx: 333.000000, Wy: 0.000000},
+	"h":              {GlyphName: "h", Wx: 500.000000, Wy: 0.000000},
+	"hungarumlaut":   {GlyphName: "hungarumlaut", Wx: 333.000000, Wy: 0.000000},
+	"hyphen":         {GlyphName: "hyphen", Wx: 333.000000, Wy: 0.000000},
+	"i":              {GlyphName: "i", Wx: 278.000000, Wy: 0.000000},
+	"iacute":         {GlyphName: "iacute", Wx: 278.000000, Wy: 0.000000},
+	"icircumflex":    {GlyphName: "icircumflex", Wx: 278.000000, Wy: 0.000000},
+	"idieresis":      {GlyphName: "idieresis", Wx: 278.000000, Wy: 0.000000},
+	"igrave":         {GlyphName: "igrave", Wx: 278.000000, Wy: 0.000000},
+	"imacron":        {GlyphName: "imacron", Wx: 278.000000, Wy: 0.000000},
+	"iogonek":        {GlyphName: "iogonek", Wx: 278.000000, Wy: 0.000000},
+	"j":              {GlyphName: "j", Wx: 278.000000, Wy: 0.000000},
+	"k":              {GlyphName: "k", Wx: 500.000000, Wy: 0.000000},
+	"kcommaaccent":   {GlyphName: "kcommaaccent", Wx: 500.000000, Wy: 0.000000},
+	"l":              {GlyphName: "l", Wx: 278.000000, Wy: 0.000000},
+	"lacute":         {GlyphName: "lacute", Wx: 278.000000, Wy: 0.000000},
+	"lcaron":         {GlyphName: "lcaron", Wx: 344.000000, Wy: 0.000000},
+	"lcommaaccent":   {GlyphName: "lcommaaccent", Wx: 278.000000, Wy: 0.000000},
+	"less":           {GlyphName: "less", Wx: 564.000000, Wy: 0.000000},
+	"lessequal":      {GlyphName: "lessequal", Wx: 549.000000, Wy: 0.000000},
+	"logicalnot":     {GlyphName: "logicalnot", Wx: 564.000000, Wy: 0.000000},
+	"lozenge":        {GlyphName: "lozenge", Wx: 471.000000, Wy: 0.000000},
+	"lslash":         {GlyphName: "lslash", Wx: 278.000000, Wy: 0.000000},
+	"m":              {GlyphName: "m", Wx: 778.000000, Wy: 0.000000},
+	"macron":         {GlyphName: "macron", Wx: 333.000000, Wy: 0.000000},
+	"minus":          {GlyphName: "minus", Wx: 564.000000, Wy: 0.000000},
+	"mu":             {GlyphName: "mu", Wx: 500.000000, Wy: 0.000000},
+	"multiply":       {GlyphName: "multiply", Wx: 564.000000, Wy: 0.000000},
+	"n":              {GlyphName: "n", Wx: 500.000000, Wy: 0.000000},
+	"nacute":         {GlyphName: "nacute", Wx: 500.000000, Wy: 0.000000},
+	"ncaron":         {GlyphName: "ncaron", Wx: 500.000000, Wy: 0.000000},
+	"ncommaaccent":   {GlyphName: "ncommaaccent", Wx: 500.000000, Wy: 0.000000},
+	"nine":           {GlyphName: "nine", Wx: 500.000000, Wy: 0.000000},
+	"notequal":       {GlyphName: "notequal", Wx: 549.000000, Wy: 0.000000},
+	"ntilde":         {GlyphName: "ntilde", Wx: 500.000000, Wy: 0.000000},
+	"numbersign":     {GlyphName: "numbersign", Wx: 500.000000, Wy: 0.000000},
+	"o":              {GlyphName: "o", Wx: 500.000000, Wy: 0.000000},
+	"oacute":         {GlyphName: "oacute", Wx: 500.000000, Wy: 0.000000},
+	"ocircumflex":    {GlyphName: "ocircumflex", Wx: 500.000000, Wy: 0.000000},
+	"odieresis":      {GlyphName: "odieresis", Wx: 500.000000, Wy: 0.000000},
+	"oe":             {GlyphName: "oe", Wx: 722.000000, Wy: 0.000000},
+	"ogonek":         {GlyphName: "ogonek", Wx: 333.000000, Wy: 0.000000},
+	"ograve":         {GlyphName: "ograve", Wx: 500.000000, Wy: 0.000000},
+	"ohungarumlaut":  {GlyphName: "ohungarumlaut", Wx: 500.000000, Wy: 0.000000},
+	"omacron":        {GlyphName: "omacron", Wx: 500.000000, Wy: 0.000000},
+	"one":            {GlyphName: "one", Wx: 500.000000, Wy: 0.000000},
+	"onehalf":        {GlyphName: "onehalf", Wx: 750.000000, Wy: 0.000000},
+	"onequarter":     {GlyphName: "onequarter", Wx: 750.000000, Wy: 0.000000},
+	"onesuperior":    {GlyphName: "onesuperior", Wx: 300.000000, Wy: 0.000000},
+	"ordfeminine":    {GlyphName: "ordfeminine", Wx: 276.000000, Wy: 0.000000},
+	"ordmasculine":   {GlyphName: "ordmasculine", Wx: 310.000000, Wy: 0.000000},
+	"oslash":         {GlyphName: "oslash", Wx: 500.000000, Wy: 0.000000},
+	"otilde":         {GlyphName: "otilde", Wx: 500.000000, Wy: 0.000000},
+	"p":              {GlyphName: "p", Wx: 500.000000, Wy: 0.000000},
+	"paragraph":      {GlyphName: "paragraph", Wx: 453.000000, Wy: 0.000000},
+	"parenleft":      {GlyphName: "parenleft", Wx: 333.000000, Wy: 0.000000},
+	"parenright":     {GlyphName: "parenright", Wx: 333.000000, Wy: 0.000000},
+	"partialdiff":    {GlyphName: "partialdiff", Wx: 476.000000, Wy: 0.000000},
+	"percent":        {GlyphName: "percent", Wx: 833.000000, Wy: 0.000000},
+	"period":         {GlyphName: "period", Wx: 250.000000, Wy: 0.000000},
+	"periodcentered": {GlyphName: "periodcentered", Wx: 250.000000, Wy: 0.000000},
+	"perthousand":    {GlyphName: "perthousand", Wx: 1000.000000, Wy: 0.000000},
+	"plus":           {GlyphName: "plus", Wx: 564.000000, Wy: 0.000000},
+	"plusminus":      {GlyphName: "plusminus", Wx: 564.000000, Wy: 0.000000},
+	"q":              {GlyphName: "q", Wx: 500.000000, Wy: 0.000000},
+	"question":       {GlyphName: "question", Wx: 444.000000, Wy: 0.000000},
+	"questiondown":   {GlyphName: "questiondown", Wx: 444.000000, Wy: 0.000000},
+	"quotedbl":       {GlyphName: "quotedbl", Wx: 408.000000, Wy: 0.000000},
+	"quotedblbase":   {GlyphName: "quotedblbase", Wx: 444.000000, Wy: 0.000000},
+	"quotedblleft":   {GlyphName: "quotedblleft", Wx: 444.000000, Wy: 0.000000},
+	"quotedblright":  {GlyphName: "quotedblright", Wx: 444.000000, Wy: 0.000000},
+	"quoteleft":      {GlyphName: "quoteleft", Wx: 333.000000, Wy: 0.000000},
+	"quoteright":     {GlyphName: "quoteright", Wx: 333.000000, Wy: 0.000000},
+	"quotesinglbase": {GlyphName: "quotesinglbase", Wx: 333.000000, Wy: 0.000000},
+	"quotesingle":    {GlyphName: "quotesingle", Wx: 180.000000, Wy: 0.000000},
+	"r":              {GlyphName: "r", Wx: 333.000000, Wy: 0.000000},
+	"racute":         {GlyphName: "racute", Wx: 333.000000, Wy: 0.000000},
+	"radical":        {GlyphName: "radical", Wx: 453.000000, Wy: 0.000000},
+	"rcaron":         {GlyphName: "rcaron", Wx: 333.000000, Wy: 0.000000},
+	"rcommaaccent":   {GlyphName: "rcommaaccent", Wx: 333.000000, Wy: 0.000000},
+	"registered":     {GlyphName: "registered", Wx: 760.000000, Wy: 0.000000},
+	"ring":           {GlyphName: "ring", Wx: 333.000000, Wy: 0.000000},
+	"s":              {GlyphName: "s", Wx: 389.000000, Wy: 0.000000},
+	"sacute":         {GlyphName: "sacute", Wx: 389.000000, Wy: 0.000000},
+	"scaron":         {GlyphName: "scaron", Wx: 389.000000, Wy: 0.000000},
+	"scedilla":       {GlyphName: "scedilla", Wx: 389.000000, Wy: 0.000000},
+	"scommaaccent":   {GlyphName: "scommaaccent", Wx: 389.000000, Wy: 0.000000},
+	"section":        {GlyphName: "section", Wx: 500.000000, Wy: 0.000000},
+	"semicolon":      {GlyphName: "semicolon", Wx: 278.000000, Wy: 0.000000},
+	"seven":          {GlyphName: "seven", Wx: 500.000000, Wy: 0.000000},
+	"six":            {GlyphName: "six", Wx: 500.000000, Wy: 0.000000},
+	"slash":          {GlyphName: "slash", Wx: 278.000000, Wy: 0.000000},
+	"space":          {GlyphName: "space", Wx: 250.000000, Wy: 0.000000},
+	"sterling":       {GlyphName: "sterling", Wx: 500.000000, Wy: 0.000000},
+	"summation":      {GlyphName: "summation", Wx: 600.000000, Wy: 0.000000},
+	"t":              {GlyphName: "t", Wx: 278.000000, Wy: 0.000000},
+	"tcaron":         {GlyphName: "tcaron", Wx: 326.000000, Wy: 0.000000},
+	"tcommaaccent":   {GlyphName: "tcommaaccent", Wx: 278.000000, Wy: 0.000000},
+	"thorn":          {GlyphName: "thorn", Wx: 500.000000, Wy: 0.000000},
+	"three":          {GlyphName: "three", Wx: 500.000000, Wy: 0.000000},
+	"threequarters":  {GlyphName: "threequarters", Wx: 750.000000, Wy: 0.000000},
+	"threesuperior":  {GlyphName: "threesuperior", Wx: 300.000000, Wy: 0.000000},
+	"tilde":          {GlyphName: "tilde", Wx: 333.000000, Wy: 0.000000},
+	"trademark":      {GlyphName: "trademark", Wx: 980.000000, Wy: 0.000000},
+	"two":            {GlyphName: "two", Wx: 500.000000, Wy: 0.000000},
+	"twosuperior":    {GlyphName: "twosuperior", Wx: 300.000000, Wy: 0.000000},
+	"u":              {GlyphName: "u", Wx: 500.000000, Wy: 0.000000},
+	"uacute":         {GlyphName: "uacute", Wx: 500.000000, Wy: 0.000000},
+	"ucircumflex":    {GlyphName: "ucircumflex", Wx: 500.000000, Wy: 0.000000},
+	"udieresis":      {GlyphName: "udieresis", Wx: 500.000000, Wy: 0.000000},
+	"ugrave":         {GlyphName: "ugrave", Wx: 500.000000, Wy: 0.000000},
+	"uhungarumlaut":  {GlyphName: "uhungarumlaut", Wx: 500.000000, Wy: 0.000000},
+	"umacron":        {GlyphName: "umacron", Wx: 500.000000, Wy: 0.000000},
+	"underscore":     {GlyphName: "underscore", Wx: 500.000000, Wy: 0.000000},
+	"uogonek":        {GlyphName: "uogonek", Wx: 500.000000, Wy: 0.000000},
+	"uring":          {GlyphName: "uring", Wx: 500.000000, Wy: 0.000000},
+	"v":              {GlyphName: "v", Wx: 500.000000, Wy: 0.000000},
+	"w":              {GlyphName: "w", Wx: 722.000000, Wy: 0.000000},
+	"x":              {GlyphName: "x", Wx: 500.000000, Wy: 0.000000},
+	"y":              {GlyphName: "y", Wx: 500.000000, Wy: 0.000000},
+	"yacute":         {GlyphName: "yacute", Wx: 500.000000, Wy: 0.000000},
+	"ydieresis":      {GlyphName: "ydieresis", Wx: 500.000000, Wy: 0.000000},
+	"yen":            {GlyphName: "yen", Wx: 500.000000, Wy: 0.000000},
+	"z":              {GlyphName: "z", Wx: 444.000000, Wy: 0.000000},
+	"zacute":         {GlyphName: "zacute", Wx: 444.000000, Wy: 0.000000},
+	"zcaron":         {GlyphName: "zcaron", Wx: 444.000000, Wy: 0.000000},
+	"zdotaccent":     {GlyphName: "zdotaccent", Wx: 444.000000, Wy: 0.000000},
+	"zero":           {GlyphName: "zero", Wx: 500.000000, Wy: 0.000000},
+}

internal/pdf/model/fonts/ttfparser.go

@@ -0,0 +1,374 @@
+/*
+ * Copyright (c) 2013 Kurt Jung (Gmail: kurt.w.jung)
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+package fonts
+
+// Utility to parse TTF font files
+// Version:    1.0
+// Date:       2011-06-18
+// Author:     Olivier PLATHEY
+// Port to Go: Kurt Jung, 2013-07-15
+
+import (
+	"encoding/binary"
+	"fmt"
+	"os"
+	"regexp"
+	"strings"
+)
+
+// TtfType contains metrics of a TrueType font.
+type TtfType struct {
+	Embeddable             bool
+	UnitsPerEm             uint16
+	PostScriptName         string
+	Bold                   bool
+	ItalicAngle            int16
+	IsFixedPitch           bool
+	TypoAscender           int16
+	TypoDescender          int16
+	UnderlinePosition      int16
+	UnderlineThickness     int16
+	Xmin, Ymin, Xmax, Ymax int16
+	CapHeight              int16
+	Widths                 []uint16
+	Chars                  map[uint16]uint16
+}
+
+type ttfParser struct {
+	rec              TtfType
+	f                *os.File
+	tables           map[string]uint32
+	numberOfHMetrics uint16
+	numGlyphs        uint16
+}
+
+// TtfParse extracts various metrics from a TrueType font file.
+func TtfParse(fileStr string) (TtfRec TtfType, err error) {
+	var t ttfParser
+	t.f, err = os.Open(fileStr)
+	if err != nil {
+		return
+	}
+	version, err := t.ReadStr(4)
+	if err != nil {
+		return
+	}
+	if version == "OTTO" {
+		err = fmt.Errorf("fonts based on PostScript outlines are not supported")
+		return
+	}
+	if version != "\x00\x01\x00\x00" {
+		err = fmt.Errorf("unrecognized file format")
+		return
+	}
+	numTables := int(t.ReadUShort())
+	t.Skip(3 * 2) // searchRange, entrySelector, rangeShift
+	t.tables = make(map[string]uint32)
+	var tag string
+	for j := 0; j < numTables; j++ {
+		tag, err = t.ReadStr(4)
+		if err != nil {
+			return
+		}
+		t.Skip(4) // checkSum
+		offset := t.ReadULong()
+		t.Skip(4) // length
+		t.tables[tag] = offset
+	}
+	err = t.ParseComponents()
+	if err != nil {
+		return
+	}
+	t.f.Close()
+	TtfRec = t.rec
+	return
+}
+
+func (t *ttfParser) ParseComponents() (err error) {
+	err = t.ParseHead()
+	if err == nil {
+		err = t.ParseHhea()
+		if err == nil {
+			err = t.ParseMaxp()
+			if err == nil {
+				err = t.ParseHmtx()
+				if err == nil {
+					err = t.ParseCmap()
+					if err == nil {
+						err = t.ParseName()
+						if err == nil {
+							err = t.ParseOS2()
+							if err == nil {
+								err = t.ParsePost()
+							}
+						}
+					}
+				}
+			}
+		}
+	}
+	return
+}
+
+func (t *ttfParser) ParseHead() (err error) {
+	err = t.Seek("head")
+	t.Skip(3 * 4) // version, fontRevision, checkSumAdjustment
+	magicNumber := t.ReadULong()
+	if magicNumber != 0x5F0F3CF5 {
+		err = fmt.Errorf("incorrect magic number")
+		return
+	}
+	t.Skip(2) // flags
+	t.rec.UnitsPerEm = t.ReadUShort()
+	t.Skip(2 * 8) // created, modified
+	t.rec.Xmin = t.ReadShort()
+	t.rec.Ymin = t.ReadShort()
+	t.rec.Xmax = t.ReadShort()
+	t.rec.Ymax = t.ReadShort()
+	return
+}
+
+func (t *ttfParser) ParseHhea() (err error) {
+	err = t.Seek("hhea")
+	if err == nil {
+		t.Skip(4 + 15*2)
+		t.numberOfHMetrics = t.ReadUShort()
+	}
+	return
+}
+
+func (t *ttfParser) ParseMaxp() (err error) {
+	err = t.Seek("maxp")
+	if err == nil {
+		t.Skip(4)
+		t.numGlyphs = t.ReadUShort()
+	}
+	return
+}
+
+func (t *ttfParser) ParseHmtx() (err error) {
+	err = t.Seek("hmtx")
+	if err == nil {
+		t.rec.Widths = make([]uint16, 0, 8)
+		for j := uint16(0); j < t.numberOfHMetrics; j++ {
+			t.rec.Widths = append(t.rec.Widths, t.ReadUShort())
+			t.Skip(2) // lsb
+		}
+		if t.numberOfHMetrics < t.numGlyphs {
+			lastWidth := t.rec.Widths[t.numberOfHMetrics-1]
+			for j := t.numberOfHMetrics; j < t.numGlyphs; j++ {
+				t.rec.Widths = append(t.rec.Widths, lastWidth)
+			}
+		}
+	}
+	return
+}
+
+func (t *ttfParser) ParseCmap() (err error) {
+	var offset int64
+	if err = t.Seek("cmap"); err != nil {
+		return
+	}
+	t.Skip(2) // version
+	numTables := int(t.ReadUShort())
+	offset31 := int64(0)
+	for j := 0; j < numTables; j++ {
+		platformID := t.ReadUShort()
+		encodingID := t.ReadUShort()
+		offset = int64(t.ReadULong())
+		if platformID == 3 && encodingID == 1 {
+			offset31 = offset
+		}
+	}
+	if offset31 == 0 {
+		err = fmt.Errorf("no Unicode encoding found")
+		return
+	}
+	startCount := make([]uint16, 0, 8)
+	endCount := make([]uint16, 0, 8)
+	idDelta := make([]int16, 0, 8)
+	idRangeOffset := make([]uint16, 0, 8)
+	t.rec.Chars = make(map[uint16]uint16)
+	t.f.Seek(int64(t.tables["cmap"])+offset31, os.SEEK_SET)
+	format := t.ReadUShort()
+	if format != 4 {
+		err = fmt.Errorf("unexpected subtable format: %d", format)
+		return
+	}
+	t.Skip(2 * 2) // length, language
+	segCount := int(t.ReadUShort() / 2)
+	t.Skip(3 * 2) // searchRange, entrySelector, rangeShift
+	for j := 0; j < segCount; j++ {
+		endCount = append(endCount, t.ReadUShort())
+	}
+	t.Skip(2) // reservedPad
+	for j := 0; j < segCount; j++ {
+		startCount = append(startCount, t.ReadUShort())
+	}
+	for j := 0; j < segCount; j++ {
+		idDelta = append(idDelta, t.ReadShort())
+	}
+	offset, _ = t.f.Seek(int64(0), os.SEEK_CUR)
+	for j := 0; j < segCount; j++ {
+		idRangeOffset = append(idRangeOffset, t.ReadUShort())
+	}
+	for j := 0; j < segCount; j++ {
+		c1 := startCount[j]
+		c2 := endCount[j]
+		d := idDelta[j]
+		ro := idRangeOffset[j]
+		if ro > 0 {
+			t.f.Seek(offset+2*int64(j)+int64(ro), os.SEEK_SET)
+		}
+		for c := c1; c <= c2; c++ {
+			if c == 0xFFFF {
+				break
+			}
+			var gid int32
+			if ro > 0 {
+				gid = int32(t.ReadUShort())
+				if gid > 0 {
+					gid += int32(d)
+				}
+			} else {
+				gid = int32(c) + int32(d)
+			}
+			if gid >= 65536 {
+				gid -= 65536
+			}
+			if gid > 0 {
+				t.rec.Chars[c] = uint16(gid)
+			}
+		}
+	}
+	return
+}
+
+func (t *ttfParser) ParseName() (err error) {
+	err = t.Seek("name")
+	if err == nil {
+		tableOffset, _ := t.f.Seek(0, os.SEEK_CUR)
+		t.rec.PostScriptName = ""
+		t.Skip(2) // format
+		count := t.ReadUShort()
+		stringOffset := t.ReadUShort()
+		for j := uint16(0); j < count && t.rec.PostScriptName == ""; j++ {
+			t.Skip(3 * 2) // platformID, encodingID, languageID
+			nameID := t.ReadUShort()
+			length := t.ReadUShort()
+			offset := t.ReadUShort()
+			if nameID == 6 {
+				// PostScript name
+				t.f.Seek(int64(tableOffset)+int64(stringOffset)+int64(offset), os.SEEK_SET)
+				var s string
+				s, err = t.ReadStr(int(length))
+				if err != nil {
+					return
+				}
+				s = strings.Replace(s, "\x00", "", -1)
+				var re *regexp.Regexp
+				if re, err = regexp.Compile("[(){}<> /%[\\]]"); err != nil {
+					return
+				}
+				t.rec.PostScriptName = re.ReplaceAllString(s, "")
+			}
+		}
+		if t.rec.PostScriptName == "" {
+			err = fmt.Errorf("the name PostScript was not found")
+		}
+	}
+	return
+}
+
+func (t *ttfParser) ParseOS2() (err error) {
+	err = t.Seek("OS/2")
+	if err == nil {
+		version := t.ReadUShort()
+		t.Skip(3 * 2) // xAvgCharWidth, usWeightClass, usWidthClass
+		fsType := t.ReadUShort()
+		t.rec.Embeddable = (fsType != 2) && (fsType&0x200) == 0
+		t.Skip(11*2 + 10 + 4*4 + 4)
+		fsSelection := t.ReadUShort()
+		t.rec.Bold = (fsSelection & 32) != 0
+		t.Skip(2 * 2) // usFirstCharIndex, usLastCharIndex
+		t.rec.TypoAscender = t.ReadShort()
+		t.rec.TypoDescender = t.ReadShort()
+		if version >= 2 {
+			t.Skip(3*2 + 2*4 + 2)
+			t.rec.CapHeight = t.ReadShort()
+		} else {
+			t.rec.CapHeight = 0
+		}
+	}
+	return
+}
+
+func (t *ttfParser) ParsePost() (err error) {
+	err = t.Seek("post")
+	if err == nil {
+		t.Skip(4) // version
+		t.rec.ItalicAngle = t.ReadShort()
+		t.Skip(2) // Skip decimal part
+		t.rec.UnderlinePosition = t.ReadShort()
+		t.rec.UnderlineThickness = t.ReadShort()
+		t.rec.IsFixedPitch = t.ReadULong() != 0
+	}
+	return
+}
+
+func (t *ttfParser) Seek(tag string) (err error) {
+	ofs, ok := t.tables[tag]
+	if ok {
+		t.f.Seek(int64(ofs), os.SEEK_SET)
+	} else {
+		err = fmt.Errorf("table not found: %s", tag)
+	}
+	return
+}
+
+func (t *ttfParser) Skip(n int) {
+	t.f.Seek(int64(n), os.SEEK_CUR)
+}
+
+func (t *ttfParser) ReadStr(length int) (str string, err error) {
+	var n int
+	buf := make([]byte, length)
+	n, err = t.f.Read(buf)
+	if err == nil {
+		if n == length {
+			str = string(buf)
+		} else {
+			err = fmt.Errorf("unable to read %d bytes", length)
+		}
+	}
+	return
+}
+
+func (t *ttfParser) ReadUShort() (val uint16) {
+	binary.Read(t.f, binary.BigEndian, &val)
+	return
+}
+
+func (t *ttfParser) ReadShort() (val int16) {
+	binary.Read(t.f, binary.BigEndian, &val)
+	return
+}
+
+func (t *ttfParser) ReadULong() (val uint32) {
+	binary.Read(t.f, binary.BigEndian, &val)
+	return
+}

internal/pdf/model/fonts/zapfdingbats.go

@@ -0,0 +1,251 @@
+package fonts
+
+import (
+	"gitea.tecamino.com/paadi/pdfmerge/internal/pdf/core"
+	"gitea.tecamino.com/paadi/pdfmerge/internal/pdf/model/textencoding"
+)
+
+// Font ZapfDingbats.  Implements Font interface.
+// This is a built-in font and it is assumed that every reader has access to it.
+type fontZapfDingbats struct {
+	// By default encoder is not set, which means that we use the font's built in encoding.
+	encoder textencoding.TextEncoder
+}
+
+func NewFontZapfDingbats() fontZapfDingbats {
+	font := fontZapfDingbats{}
+	return font
+}
+
+func (font fontZapfDingbats) SetEncoder(encoder textencoding.TextEncoder) {
+	font.encoder = encoder
+}
+
+func (font fontZapfDingbats) GetGlyphCharMetrics(glyph string) (CharMetrics, bool) {
+	metrics, has := zapfDingbatsCharMetrics[glyph]
+	if !has {
+		return metrics, false
+	}
+
+	return metrics, true
+}
+
+func (font fontZapfDingbats) ToPdfObject() core.PdfObject {
+	obj := &core.PdfIndirectObject{}
+
+	fontDict := core.MakeDict()
+	fontDict.Set("Type", core.MakeName("Font"))
+	fontDict.Set("Subtype", core.MakeName("Type1"))
+	fontDict.Set("BaseFont", core.MakeName("ZapfDingbats"))
+	if font.encoder != nil {
+		fontDict.Set("Encoding", font.encoder.ToPdfObject())
+	}
+
+	obj.PdfObject = fontDict
+	return obj
+}
+
+var zapfDingbatsCharMetrics map[string]CharMetrics = map[string]CharMetrics{
+	"a1":    {GlyphName: "a1", Wx: 974.000000, Wy: 0.000000},
+	"a10":   {GlyphName: "a10", Wx: 692.000000, Wy: 0.000000},
+	"a100":  {GlyphName: "a100", Wx: 668.000000, Wy: 0.000000},
+	"a101":  {GlyphName: "a101", Wx: 732.000000, Wy: 0.000000},
+	"a102":  {GlyphName: "a102", Wx: 544.000000, Wy: 0.000000},
+	"a103":  {GlyphName: "a103", Wx: 544.000000, Wy: 0.000000},
+	"a104":  {GlyphName: "a104", Wx: 910.000000, Wy: 0.000000},
+	"a105":  {GlyphName: "a105", Wx: 911.000000, Wy: 0.000000},
+	"a106":  {GlyphName: "a106", Wx: 667.000000, Wy: 0.000000},
+	"a107":  {GlyphName: "a107", Wx: 760.000000, Wy: 0.000000},
+	"a108":  {GlyphName: "a108", Wx: 760.000000, Wy: 0.000000},
+	"a109":  {GlyphName: "a109", Wx: 626.000000, Wy: 0.000000},
+	"a11":   {GlyphName: "a11", Wx: 960.000000, Wy: 0.000000},
+	"a110":  {GlyphName: "a110", Wx: 694.000000, Wy: 0.000000},
+	"a111":  {GlyphName: "a111", Wx: 595.000000, Wy: 0.000000},
+	"a112":  {GlyphName: "a112", Wx: 776.000000, Wy: 0.000000},
+	"a117":  {GlyphName: "a117", Wx: 690.000000, Wy: 0.000000},
+	"a118":  {GlyphName: "a118", Wx: 791.000000, Wy: 0.000000},
+	"a119":  {GlyphName: "a119", Wx: 790.000000, Wy: 0.000000},
+	"a12":   {GlyphName: "a12", Wx: 939.000000, Wy: 0.000000},
+	"a120":  {GlyphName: "a120", Wx: 788.000000, Wy: 0.000000},
+	"a121":  {GlyphName: "a121", Wx: 788.000000, Wy: 0.000000},
+	"a122":  {GlyphName: "a122", Wx: 788.000000, Wy: 0.000000},
+	"a123":  {GlyphName: "a123", Wx: 788.000000, Wy: 0.000000},
+	"a124":  {GlyphName: "a124", Wx: 788.000000, Wy: 0.000000},
+	"a125":  {GlyphName: "a125", Wx: 788.000000, Wy: 0.000000},
+	"a126":  {GlyphName: "a126", Wx: 788.000000, Wy: 0.000000},
+	"a127":  {GlyphName: "a127", Wx: 788.000000, Wy: 0.000000},
+	"a128":  {GlyphName: "a128", Wx: 788.000000, Wy: 0.000000},
+	"a129":  {GlyphName: "a129", Wx: 788.000000, Wy: 0.000000},
+	"a13":   {GlyphName: "a13", Wx: 549.000000, Wy: 0.000000},
+	"a130":  {GlyphName: "a130", Wx: 788.000000, Wy: 0.000000},
+	"a131":  {GlyphName: "a131", Wx: 788.000000, Wy: 0.000000},
+	"a132":  {GlyphName: "a132", Wx: 788.000000, Wy: 0.000000},
+	"a133":  {GlyphName: "a133", Wx: 788.000000, Wy: 0.000000},
+	"a134":  {GlyphName: "a134", Wx: 788.000000, Wy: 0.000000},
+	"a135":  {GlyphName: "a135", Wx: 788.000000, Wy: 0.000000},
+	"a136":  {GlyphName: "a136", Wx: 788.000000, Wy: 0.000000},
+	"a137":  {GlyphName: "a137", Wx: 788.000000, Wy: 0.000000},
+	"a138":  {GlyphName: "a138", Wx: 788.000000, Wy: 0.000000},
+	"a139":  {GlyphName: "a139", Wx: 788.000000, Wy: 0.000000},
+	"a14":   {GlyphName: "a14", Wx: 855.000000, Wy: 0.000000},
+	"a140":  {GlyphName: "a140", Wx: 788.000000, Wy: 0.000000},
+	"a141":  {GlyphName: "a141", Wx: 788.000000, Wy: 0.000000},
+	"a142":  {GlyphName: "a142", Wx: 788.000000, Wy: 0.000000},
+	"a143":  {GlyphName: "a143", Wx: 788.000000, Wy: 0.000000},
+	"a144":  {GlyphName: "a144", Wx: 788.000000, Wy: 0.000000},
+	"a145":  {GlyphName: "a145", Wx: 788.000000, Wy: 0.000000},
+	"a146":  {GlyphName: "a146", Wx: 788.000000, Wy: 0.000000},
+	"a147":  {GlyphName: "a147", Wx: 788.000000, Wy: 0.000000},
+	"a148":  {GlyphName: "a148", Wx: 788.000000, Wy: 0.000000},
+	"a149":  {GlyphName: "a149", Wx: 788.000000, Wy: 0.000000},
+	"a15":   {GlyphName: "a15", Wx: 911.000000, Wy: 0.000000},
+	"a150":  {GlyphName: "a150", Wx: 788.000000, Wy: 0.000000},
+	"a151":  {GlyphName: "a151", Wx: 788.000000, Wy: 0.000000},
+	"a152":  {GlyphName: "a152", Wx: 788.000000, Wy: 0.000000},
+	"a153":  {GlyphName: "a153", Wx: 788.000000, Wy: 0.000000},
+	"a154":  {GlyphName: "a154", Wx: 788.000000, Wy: 0.000000},
+	"a155":  {GlyphName: "a155", Wx: 788.000000, Wy: 0.000000},
+	"a156":  {GlyphName: "a156", Wx: 788.000000, Wy: 0.000000},
+	"a157":  {GlyphName: "a157", Wx: 788.000000, Wy: 0.000000},
+	"a158":  {GlyphName: "a158", Wx: 788.000000, Wy: 0.000000},
+	"a159":  {GlyphName: "a159", Wx: 788.000000, Wy: 0.000000},
+	"a16":   {GlyphName: "a16", Wx: 933.000000, Wy: 0.000000},
+	"a160":  {GlyphName: "a160", Wx: 894.000000, Wy: 0.000000},
+	"a161":  {GlyphName: "a161", Wx: 838.000000, Wy: 0.000000},
+	"a162":  {GlyphName: "a162", Wx: 924.000000, Wy: 0.000000},
+	"a163":  {GlyphName: "a163", Wx: 1016.000000, Wy: 0.000000},
+	"a164":  {GlyphName: "a164", Wx: 458.000000, Wy: 0.000000},
+	"a165":  {GlyphName: "a165", Wx: 924.000000, Wy: 0.000000},
+	"a166":  {GlyphName: "a166", Wx: 918.000000, Wy: 0.000000},
+	"a167":  {GlyphName: "a167", Wx: 927.000000, Wy: 0.000000},
+	"a168":  {GlyphName: "a168", Wx: 928.000000, Wy: 0.000000},
+	"a169":  {GlyphName: "a169", Wx: 928.000000, Wy: 0.000000},
+	"a17":   {GlyphName: "a17", Wx: 945.000000, Wy: 0.000000},
+	"a170":  {GlyphName: "a170", Wx: 834.000000, Wy: 0.000000},
+	"a171":  {GlyphName: "a171", Wx: 873.000000, Wy: 0.000000},
+	"a172":  {GlyphName: "a172", Wx: 828.000000, Wy: 0.000000},
+	"a173":  {GlyphName: "a173", Wx: 924.000000, Wy: 0.000000},
+	"a174":  {GlyphName: "a174", Wx: 917.000000, Wy: 0.000000},
+	"a175":  {GlyphName: "a175", Wx: 930.000000, Wy: 0.000000},
+	"a176":  {GlyphName: "a176", Wx: 931.000000, Wy: 0.000000},
+	"a177":  {GlyphName: "a177", Wx: 463.000000, Wy: 0.000000},
+	"a178":  {GlyphName: "a178", Wx: 883.000000, Wy: 0.000000},
+	"a179":  {GlyphName: "a179", Wx: 836.000000, Wy: 0.000000},
+	"a18":   {GlyphName: "a18", Wx: 974.000000, Wy: 0.000000},
+	"a180":  {GlyphName: "a180", Wx: 867.000000, Wy: 0.000000},
+	"a181":  {GlyphName: "a181", Wx: 696.000000, Wy: 0.000000},
+	"a182":  {GlyphName: "a182", Wx: 874.000000, Wy: 0.000000},
+	"a183":  {GlyphName: "a183", Wx: 760.000000, Wy: 0.000000},
+	"a184":  {GlyphName: "a184", Wx: 946.000000, Wy: 0.000000},
+	"a185":  {GlyphName: "a185", Wx: 865.000000, Wy: 0.000000},
+	"a186":  {GlyphName: "a186", Wx: 967.000000, Wy: 0.000000},
+	"a187":  {GlyphName: "a187", Wx: 831.000000, Wy: 0.000000},
+	"a188":  {GlyphName: "a188", Wx: 873.000000, Wy: 0.000000},
+	"a189":  {GlyphName: "a189", Wx: 927.000000, Wy: 0.000000},
+	"a19":   {GlyphName: "a19", Wx: 755.000000, Wy: 0.000000},
+	"a190":  {GlyphName: "a190", Wx: 970.000000, Wy: 0.000000},
+	"a191":  {GlyphName: "a191", Wx: 918.000000, Wy: 0.000000},
+	"a192":  {GlyphName: "a192", Wx: 748.000000, Wy: 0.000000},
+	"a193":  {GlyphName: "a193", Wx: 836.000000, Wy: 0.000000},
+	"a194":  {GlyphName: "a194", Wx: 771.000000, Wy: 0.000000},
+	"a195":  {GlyphName: "a195", Wx: 888.000000, Wy: 0.000000},
+	"a196":  {GlyphName: "a196", Wx: 748.000000, Wy: 0.000000},
+	"a197":  {GlyphName: "a197", Wx: 771.000000, Wy: 0.000000},
+	"a198":  {GlyphName: "a198", Wx: 888.000000, Wy: 0.000000},
+	"a199":  {GlyphName: "a199", Wx: 867.000000, Wy: 0.000000},
+	"a2":    {GlyphName: "a2", Wx: 961.000000, Wy: 0.000000},
+	"a20":   {GlyphName: "a20", Wx: 846.000000, Wy: 0.000000},
+	"a200":  {GlyphName: "a200", Wx: 696.000000, Wy: 0.000000},
+	"a201":  {GlyphName: "a201", Wx: 874.000000, Wy: 0.000000},
+	"a202":  {GlyphName: "a202", Wx: 974.000000, Wy: 0.000000},
+	"a203":  {GlyphName: "a203", Wx: 762.000000, Wy: 0.000000},
+	"a204":  {GlyphName: "a204", Wx: 759.000000, Wy: 0.000000},
+	"a205":  {GlyphName: "a205", Wx: 509.000000, Wy: 0.000000},
+	"a206":  {GlyphName: "a206", Wx: 410.000000, Wy: 0.000000},
+	"a21":   {GlyphName: "a21", Wx: 762.000000, Wy: 0.000000},
+	"a22":   {GlyphName: "a22", Wx: 761.000000, Wy: 0.000000},
+	"a23":   {GlyphName: "a23", Wx: 571.000000, Wy: 0.000000},
+	"a24":   {GlyphName: "a24", Wx: 677.000000, Wy: 0.000000},
+	"a25":   {GlyphName: "a25", Wx: 763.000000, Wy: 0.000000},
+	"a26":   {GlyphName: "a26", Wx: 760.000000, Wy: 0.000000},
+	"a27":   {GlyphName: "a27", Wx: 759.000000, Wy: 0.000000},
+	"a28":   {GlyphName: "a28", Wx: 754.000000, Wy: 0.000000},
+	"a29":   {GlyphName: "a29", Wx: 786.000000, Wy: 0.000000},
+	"a3":    {GlyphName: "a3", Wx: 980.000000, Wy: 0.000000},
+	"a30":   {GlyphName: "a30", Wx: 788.000000, Wy: 0.000000},
+	"a31":   {GlyphName: "a31", Wx: 788.000000, Wy: 0.000000},
+	"a32":   {GlyphName: "a32", Wx: 790.000000, Wy: 0.000000},
+	"a33":   {GlyphName: "a33", Wx: 793.000000, Wy: 0.000000},
+	"a34":   {GlyphName: "a34", Wx: 794.000000, Wy: 0.000000},
+	"a35":   {GlyphName: "a35", Wx: 816.000000, Wy: 0.000000},
+	"a36":   {GlyphName: "a36", Wx: 823.000000, Wy: 0.000000},
+	"a37":   {GlyphName: "a37", Wx: 789.000000, Wy: 0.000000},
+	"a38":   {GlyphName: "a38", Wx: 841.000000, Wy: 0.000000},
+	"a39":   {GlyphName: "a39", Wx: 823.000000, Wy: 0.000000},
+	"a4":    {GlyphName: "a4", Wx: 719.000000, Wy: 0.000000},
+	"a40":   {GlyphName: "a40", Wx: 833.000000, Wy: 0.000000},
+	"a41":   {GlyphName: "a41", Wx: 816.000000, Wy: 0.000000},
+	"a42":   {GlyphName: "a42", Wx: 831.000000, Wy: 0.000000},
+	"a43":   {GlyphName: "a43", Wx: 923.000000, Wy: 0.000000},
+	"a44":   {GlyphName: "a44", Wx: 744.000000, Wy: 0.000000},
+	"a45":   {GlyphName: "a45", Wx: 723.000000, Wy: 0.000000},
+	"a46":   {GlyphName: "a46", Wx: 749.000000, Wy: 0.000000},
+	"a47":   {GlyphName: "a47", Wx: 790.000000, Wy: 0.000000},
+	"a48":   {GlyphName: "a48", Wx: 792.000000, Wy: 0.000000},
+	"a49":   {GlyphName: "a49", Wx: 695.000000, Wy: 0.000000},
+	"a5":    {GlyphName: "a5", Wx: 789.000000, Wy: 0.000000},
+	"a50":   {GlyphName: "a50", Wx: 776.000000, Wy: 0.000000},
+	"a51":   {GlyphName: "a51", Wx: 768.000000, Wy: 0.000000},
+	"a52":   {GlyphName: "a52", Wx: 792.000000, Wy: 0.000000},
+	"a53":   {GlyphName: "a53", Wx: 759.000000, Wy: 0.000000},
+	"a54":   {GlyphName: "a54", Wx: 707.000000, Wy: 0.000000},
+	"a55":   {GlyphName: "a55", Wx: 708.000000, Wy: 0.000000},
+	"a56":   {GlyphName: "a56", Wx: 682.000000, Wy: 0.000000},
+	"a57":   {GlyphName: "a57", Wx: 701.000000, Wy: 0.000000},
+	"a58":   {GlyphName: "a58", Wx: 826.000000, Wy: 0.000000},
+	"a59":   {GlyphName: "a59", Wx: 815.000000, Wy: 0.000000},
+	"a6":    {GlyphName: "a6", Wx: 494.000000, Wy: 0.000000},
+	"a60":   {GlyphName: "a60", Wx: 789.000000, Wy: 0.000000},
+	"a61":   {GlyphName: "a61", Wx: 789.000000, Wy: 0.000000},
+	"a62":   {GlyphName: "a62", Wx: 707.000000, Wy: 0.000000},
+	"a63":   {GlyphName: "a63", Wx: 687.000000, Wy: 0.000000},
+	"a64":   {GlyphName: "a64", Wx: 696.000000, Wy: 0.000000},
+	"a65":   {GlyphName: "a65", Wx: 689.000000, Wy: 0.000000},
+	"a66":   {GlyphName: "a66", Wx: 786.000000, Wy: 0.000000},
+	"a67":   {GlyphName: "a67", Wx: 787.000000, Wy: 0.000000},
+	"a68":   {GlyphName: "a68", Wx: 713.000000, Wy: 0.000000},
+	"a69":   {GlyphName: "a69", Wx: 791.000000, Wy: 0.000000},
+	"a7":    {GlyphName: "a7", Wx: 552.000000, Wy: 0.000000},
+	"a70":   {GlyphName: "a70", Wx: 785.000000, Wy: 0.000000},
+	"a71":   {GlyphName: "a71", Wx: 791.000000, Wy: 0.000000},
+	"a72":   {GlyphName: "a72", Wx: 873.000000, Wy: 0.000000},
+	"a73":   {GlyphName: "a73", Wx: 761.000000, Wy: 0.000000},
+	"a74":   {GlyphName: "a74", Wx: 762.000000, Wy: 0.000000},
+	"a75":   {GlyphName: "a75", Wx: 759.000000, Wy: 0.000000},
+	"a76":   {GlyphName: "a76", Wx: 892.000000, Wy: 0.000000},
+	"a77":   {GlyphName: "a77", Wx: 892.000000, Wy: 0.000000},
+	"a78":   {GlyphName: "a78", Wx: 788.000000, Wy: 0.000000},
+	"a79":   {GlyphName: "a79", Wx: 784.000000, Wy: 0.000000},
+	"a8":    {GlyphName: "a8", Wx: 537.000000, Wy: 0.000000},
+	"a81":   {GlyphName: "a81", Wx: 438.000000, Wy: 0.000000},
+	"a82":   {GlyphName: "a82", Wx: 138.000000, Wy: 0.000000},
+	"a83":   {GlyphName: "a83", Wx: 277.000000, Wy: 0.000000},
+	"a84":   {GlyphName: "a84", Wx: 415.000000, Wy: 0.000000},
+	"a85":   {GlyphName: "a85", Wx: 509.000000, Wy: 0.000000},
+	"a86":   {GlyphName: "a86", Wx: 410.000000, Wy: 0.000000},
+	"a87":   {GlyphName: "a87", Wx: 234.000000, Wy: 0.000000},
+	"a88":   {GlyphName: "a88", Wx: 234.000000, Wy: 0.000000},
+	"a89":   {GlyphName: "a89", Wx: 390.000000, Wy: 0.000000},
+	"a9":    {GlyphName: "a9", Wx: 577.000000, Wy: 0.000000},
+	"a90":   {GlyphName: "a90", Wx: 390.000000, Wy: 0.000000},
+	"a91":   {GlyphName: "a91", Wx: 276.000000, Wy: 0.000000},
+	"a92":   {GlyphName: "a92", Wx: 276.000000, Wy: 0.000000},
+	"a93":   {GlyphName: "a93", Wx: 317.000000, Wy: 0.000000},
+	"a94":   {GlyphName: "a94", Wx: 317.000000, Wy: 0.000000},
+	"a95":   {GlyphName: "a95", Wx: 334.000000, Wy: 0.000000},
+	"a96":   {GlyphName: "a96", Wx: 334.000000, Wy: 0.000000},
+	"a97":   {GlyphName: "a97", Wx: 392.000000, Wy: 0.000000},
+	"a98":   {GlyphName: "a98", Wx: 392.000000, Wy: 0.000000},
+	"a99":   {GlyphName: "a99", Wx: 668.000000, Wy: 0.000000},
+	"space": {GlyphName: "space", Wx: 278.000000, Wy: 0.000000},
+}

internal/pdf/model/forms.go

@@ -0,0 +1,412 @@
+package model
+
+import (
+	"fmt"
+
+	"gitea.tecamino.com/paadi/pdfmerge/internal/pdf/common"
+	"gitea.tecamino.com/paadi/pdfmerge/internal/pdf/core"
+)
+
+// High level manipulation of forms (AcroForm).
+type PdfAcroForm struct {
+	Fields          *[]*PdfField
+	NeedAppearances *core.PdfObjectBool
+	SigFlags        *core.PdfObjectInteger
+	CO              *core.PdfObjectArray
+	DR              *PdfPageResources
+	DA              *core.PdfObjectString
+	Q               *core.PdfObjectInteger
+	XFA             core.PdfObject
+
+	primitive *core.PdfIndirectObject
+}
+
+func NewPdfAcroForm() *PdfAcroForm {
+	acroForm := &PdfAcroForm{}
+
+	container := &core.PdfIndirectObject{}
+	container.PdfObject = core.MakeDict()
+
+	acroForm.primitive = container
+	return acroForm
+}
+
+// Used when loading forms from PDF files.
+func (r *PdfReader) newPdfAcroFormFromDict(d *core.PdfObjectDictionary) (*PdfAcroForm, error) {
+	acroForm := NewPdfAcroForm()
+
+	if obj := d.Get("Fields"); obj != nil {
+		obj, err := r.traceToObject(obj)
+		if err != nil {
+			return nil, err
+		}
+		fieldArray, ok := core.TraceToDirectObject(obj).(*core.PdfObjectArray)
+		if !ok {
+			return nil, fmt.Errorf("fields not an array (%T)", obj)
+		}
+
+		fields := []*PdfField{}
+		for _, obj := range *fieldArray {
+			obj, err := r.traceToObject(obj)
+			if err != nil {
+				return nil, err
+			}
+			container, isIndirect := obj.(*core.PdfIndirectObject)
+			if !isIndirect {
+				if _, isNull := obj.(*core.PdfObjectNull); isNull {
+					common.Log.Trace("Skipping over null field")
+					continue
+				}
+				common.Log.Debug("Field not contained in indirect object %T", obj)
+				return nil, fmt.Errorf("field not in an indirect object")
+			}
+			field, err := r.newPdfFieldFromIndirectObject(container, nil)
+			if err != nil {
+				return nil, err
+			}
+			common.Log.Trace("AcroForm Field: %+v", *field)
+			fields = append(fields, field)
+		}
+		acroForm.Fields = &fields
+	}
+
+	if obj := d.Get("NeedAppearances"); obj != nil {
+		val, ok := obj.(*core.PdfObjectBool)
+		if ok {
+			acroForm.NeedAppearances = val
+		} else {
+			common.Log.Debug("error: NeedAppearances invalid (got %T)", obj)
+		}
+	}
+
+	if obj := d.Get("SigFlags"); obj != nil {
+		val, ok := obj.(*core.PdfObjectInteger)
+		if ok {
+			acroForm.SigFlags = val
+		} else {
+			common.Log.Debug("error: SigFlags invalid (got %T)", obj)
+		}
+	}
+
+	if obj := d.Get("CO"); obj != nil {
+		obj = core.TraceToDirectObject(obj)
+		arr, ok := obj.(*core.PdfObjectArray)
+		if ok {
+			acroForm.CO = arr
+		} else {
+			common.Log.Debug("error: CO invalid (got %T)", obj)
+		}
+	}
+
+	if obj := d.Get("DR"); obj != nil {
+		obj = core.TraceToDirectObject(obj)
+		if d, ok := obj.(*core.PdfObjectDictionary); ok {
+			resources, err := NewPdfPageResourcesFromDict(d)
+			if err != nil {
+				common.Log.Error("invalid DR: %v", err)
+				return nil, err
+			}
+
+			acroForm.DR = resources
+		} else {
+			common.Log.Debug("error: DR invalid (got %T)", obj)
+		}
+	}
+
+	if obj := d.Get("DA"); obj != nil {
+		str, ok := obj.(*core.PdfObjectString)
+		if ok {
+			acroForm.DA = str
+		} else {
+			common.Log.Debug("error: DA invalid (got %T)", obj)
+		}
+	}
+
+	if obj := d.Get("Q"); obj != nil {
+		val, ok := obj.(*core.PdfObjectInteger)
+		if ok {
+			acroForm.Q = val
+		} else {
+			common.Log.Debug("error: Q invalid (got %T)", obj)
+		}
+	}
+
+	if obj := d.Get("XFA"); obj != nil {
+		acroForm.XFA = obj
+	}
+
+	return acroForm, nil
+}
+
+func (af *PdfAcroForm) GetContainingPdfObject() core.PdfObject {
+	return af.primitive
+}
+
+func (af *PdfAcroForm) ToPdfObject() core.PdfObject {
+	container := af.primitive
+	dict := container.PdfObject.(*core.PdfObjectDictionary)
+
+	if af.Fields != nil {
+		arr := core.PdfObjectArray{}
+		for _, field := range *af.Fields {
+			arr = append(arr, field.ToPdfObject())
+		}
+		dict.Set("Fields", &arr)
+	}
+
+	if af.NeedAppearances != nil {
+		dict.Set("NeedAppearances", af.NeedAppearances)
+	}
+	if af.SigFlags != nil {
+		dict.Set("SigFlags", af.SigFlags)
+
+	}
+	if af.CO != nil {
+		dict.Set("CO", af.CO)
+	}
+	if af.DR != nil {
+		dict.Set("DR", af.DR.ToPdfObject())
+	}
+	if af.DA != nil {
+		dict.Set("DA", af.DA)
+	}
+	if af.Q != nil {
+		dict.Set("Q", af.Q)
+	}
+	if af.XFA != nil {
+		dict.Set("XFA", af.XFA)
+	}
+
+	return container
+}
+
+// PdfField represents a field of an interactive form.
+// Implements PdfModel interface.
+type PdfField struct {
+	FT     *core.PdfObjectName // field type
+	Parent *PdfField
+	// In a non-terminal field, the Kids array shall refer to field dictionaries that are immediate descendants of this field.
+	// In a terminal field, the Kids array ordinarily shall refer to one or more separate widget annotations that are associated
+	// with this field. However, if there is only one associated widget annotation, and its contents have been merged into the field
+	// dictionary, Kids shall be omitted.
+	KidsF []PdfModel // Kids can be array of other fields or widgets (PdfModel).
+	KidsA []*PdfAnnotation
+	T     core.PdfObject
+	TU    core.PdfObject
+	TM    core.PdfObject
+	Ff    core.PdfObject // field flag
+	V     core.PdfObject //value
+	DV    core.PdfObject
+	AA    core.PdfObject
+
+	// Variable Text:
+	DA core.PdfObject
+	Q  core.PdfObject
+	DS core.PdfObject
+	RV core.PdfObject
+
+	primitive *core.PdfIndirectObject
+}
+
+func NewPdfField() *PdfField {
+	field := &PdfField{}
+
+	container := &core.PdfIndirectObject{}
+	container.PdfObject = core.MakeDict()
+
+	field.primitive = container
+	return field
+}
+
+// Used when loading fields from PDF files.
+func (r *PdfReader) newPdfFieldFromIndirectObject(container *core.PdfIndirectObject, parent *PdfField) (*PdfField, error) {
+	d, isDict := container.PdfObject.(*core.PdfObjectDictionary)
+	if !isDict {
+		return nil, fmt.Errorf("pdf Field indirect object not containing a dictionary")
+	}
+
+	field := NewPdfField()
+
+	// Field type (required in terminal fields).
+	// Can be /Btn /Tx /Ch /Sig
+	// Required for a terminal field (inheritable).
+	var err error
+	if obj := d.Get("FT"); obj != nil {
+		obj, err = r.traceToObject(obj)
+		if err != nil {
+			return nil, err
+		}
+		name, ok := obj.(*core.PdfObjectName)
+		if !ok {
+			return nil, fmt.Errorf("invalid type of FT field (%T)", obj)
+		}
+
+		field.FT = name
+	}
+
+	// Partial field name (Optional)
+	field.T = d.Get("T")
+	// Alternate description (Optional)
+	field.TU = d.Get("TU")
+	// Mapping name (Optional)
+	field.TM = d.Get("TM")
+	// Field flag. (Optional; inheritable)
+	field.Ff = d.Get("Ff")
+	// Value (Optional; inheritable) - Various types depending on the field type.
+	field.V = d.Get("V")
+	// Default value for reset (Optional; inheritable)
+	field.DV = d.Get("DV")
+	// Additional actions dictionary (Optional)
+	field.AA = d.Get("AA")
+
+	// Variable text:
+	field.DA = d.Get("DA")
+	field.Q = d.Get("Q")
+	field.DS = d.Get("DS")
+	field.RV = d.Get("RV")
+
+	// In a non-terminal field, the Kids array shall refer to field dictionaries that are immediate descendants of this field.
+	// In a terminal field, the Kids array ordinarily shall refer to one or more separate widget annotations that are associated
+	// with this field. However, if there is only one associated widget annotation, and its contents have been merged into the field
+	// dictionary, Kids shall be omitted.
+
+	// Set ourself?
+	if parent != nil {
+		field.Parent = parent
+	}
+
+	// Has a merged-in widget annotation?
+	if obj := d.Get("Subtype"); obj != nil {
+		obj, err = r.traceToObject(obj)
+		if err != nil {
+			return nil, err
+		}
+		common.Log.Trace("Merged in annotation (%T)", obj)
+		name, ok := obj.(*core.PdfObjectName)
+		if !ok {
+			return nil, fmt.Errorf("invalid type of Subtype (%T)", obj)
+		}
+		if *name == "Widget" {
+			// Is a merged field / widget dict.
+
+			// Check if the annotation has already been loaded?
+			// Most likely referenced to by a page...  Could be in either direction.
+			// r.newPdfAnnotationFromIndirectObject acts as a caching mechanism.
+			annot, err := r.newPdfAnnotationFromIndirectObject(container)
+			if err != nil {
+				return nil, err
+			}
+			widget, ok := annot.GetContext().(*PdfAnnotationWidget)
+			if !ok {
+				return nil, fmt.Errorf("invalid widget")
+			}
+
+			widget.Parent = field.GetContainingPdfObject()
+			field.KidsA = append(field.KidsA, annot)
+			return field, nil
+		}
+	}
+
+	if obj := d.Get("Kids"); obj != nil {
+		obj, err := r.traceToObject(obj)
+		if err != nil {
+			return nil, err
+		}
+		fieldArray, ok := core.TraceToDirectObject(obj).(*core.PdfObjectArray)
+		if !ok {
+			return nil, fmt.Errorf("kids not an array (%T)", obj)
+		}
+
+		field.KidsF = []PdfModel{}
+		for _, obj := range *fieldArray {
+			obj, err := r.traceToObject(obj)
+			if err != nil {
+				return nil, err
+			}
+
+			container, isIndirect := obj.(*core.PdfIndirectObject)
+			if !isIndirect {
+				return nil, fmt.Errorf("not an indirect object (form field)")
+			}
+
+			childField, err := r.newPdfFieldFromIndirectObject(container, field)
+			if err != nil {
+				return nil, err
+			}
+
+			field.KidsF = append(field.KidsF, childField)
+		}
+	}
+
+	return field, nil
+}
+
+func (pf *PdfField) GetContainingPdfObject() core.PdfObject {
+	return pf.primitive
+}
+
+// If Kids refer only to a single pdf widget annotation widget, then can merge it in.
+// Currently not merging it in.
+func (pf *PdfField) ToPdfObject() core.PdfObject {
+	container := pf.primitive
+	dict := container.PdfObject.(*core.PdfObjectDictionary)
+
+	if pf.Parent != nil {
+		dict.Set("Parent", pf.Parent.GetContainingPdfObject())
+	}
+
+	if pf.KidsF != nil {
+		// Create an array of the kids (fields or widgets).
+		common.Log.Trace("KidsF: %+v", pf.KidsF)
+		arr := core.PdfObjectArray{}
+		for _, child := range pf.KidsF {
+			arr = append(arr, child.ToPdfObject())
+		}
+		dict.Set("Kids", &arr)
+	}
+	if pf.KidsA != nil {
+		common.Log.Trace("KidsA: %+v", pf.KidsA)
+		_, hasKids := dict.Get("Kids").(*core.PdfObjectArray)
+		if !hasKids {
+			dict.Set("Kids", &core.PdfObjectArray{})
+		}
+		arr := dict.Get("Kids").(*core.PdfObjectArray)
+		for _, child := range pf.KidsA {
+			*arr = append(*arr, child.GetContext().ToPdfObject())
+		}
+	}
+
+	if pf.FT != nil {
+		dict.Set("FT", pf.FT)
+	}
+
+	if pf.T != nil {
+		dict.Set("T", pf.T)
+	}
+	if pf.TU != nil {
+		dict.Set("TU", pf.TU)
+	}
+	if pf.TM != nil {
+		dict.Set("TM", pf.TM)
+	}
+	if pf.Ff != nil {
+		dict.Set("Ff", pf.Ff)
+	}
+	if pf.V != nil {
+		dict.Set("V", pf.V)
+	}
+	if pf.DV != nil {
+		dict.Set("DV", pf.DV)
+	}
+	if pf.AA != nil {
+		dict.Set("AA", pf.AA)
+	}
+
+	// Variable text:
+	dict.SetIfNotNil("DA", pf.DA)
+	dict.SetIfNotNil("Q", pf.Q)
+	dict.SetIfNotNil("DS", pf.DS)
+	dict.SetIfNotNil("RV", pf.RV)
+
+	return container
+}

internal/pdf/model/functions.go

@@ -0,0 +1,853 @@
+package model
+
+import (
+	"errors"
+	"math"
+
+	"gitea.tecamino.com/paadi/pdfmerge/internal/pdf/common"
+	"gitea.tecamino.com/paadi/pdfmerge/internal/pdf/core"
+	"gitea.tecamino.com/paadi/pdfmerge/internal/pdf/model/sampling"
+	"gitea.tecamino.com/paadi/pdfmerge/internal/pdf/ps"
+)
+
+type PdfValue any
+
+type PdfFunction interface {
+	Evaluate([]float64) ([]float64, error)
+	ToPdfObject() core.PdfObject
+}
+
+// In PDF: A function object may be a dictionary or a stream, depending on the type of function.
+// - Stream: Type 0, Type 4
+// - Dictionary: Type 2, Type 3.
+
+// Loads a PDF Function from a PdfObject (can be either stream or dictionary).
+func newPdfFunctionFromPdfObject(obj core.PdfObject) (PdfFunction, error) {
+	if stream, is := obj.(*core.PdfObjectStream); is {
+		dict := stream.PdfObjectDictionary
+
+		ftype, ok := dict.Get("FunctionType").(*core.PdfObjectInteger)
+		if !ok {
+			common.Log.Error("FunctionType number missing")
+			return nil, errors.New("invalid parameter or missing")
+		}
+
+		switch *ftype {
+		case 0:
+			return newPdfFunctionType0FromStream(stream)
+		case 4:
+			return newPdfFunctionType4FromStream(stream)
+		default:
+			return nil, errors.New("invalid function type")
+		}
+
+	} else if indObj, is := obj.(*core.PdfIndirectObject); is {
+		// Indirect object containing a dictionary.
+		// The indirect object is the container (which is tracked).
+		dict, ok := indObj.PdfObject.(*core.PdfObjectDictionary)
+		if !ok {
+			common.Log.Error("Function Indirect object not containing dictionary")
+			return nil, errors.New("invalid parameter or missing")
+		}
+
+		ftype, ok := dict.Get("FunctionType").(*core.PdfObjectInteger)
+		if !ok {
+			common.Log.Error("FunctionType number missing")
+			return nil, errors.New("invalid parameter or missing")
+		}
+
+		switch *ftype {
+		case 2:
+			return newPdfFunctionType2FromPdfObject(indObj)
+		case 3:
+			return newPdfFunctionType3FromPdfObject(indObj)
+		default:
+			return nil, errors.New("invalid function type")
+		}
+	} else if dict, is := obj.(*core.PdfObjectDictionary); is {
+		ftype, ok := dict.Get("FunctionType").(*core.PdfObjectInteger)
+		if !ok {
+			common.Log.Error("FunctionType number missing")
+			return nil, errors.New("invalid parameter or missing")
+		}
+
+		switch *ftype {
+		case 2:
+			return newPdfFunctionType2FromPdfObject(dict)
+		case 3:
+			return newPdfFunctionType3FromPdfObject(dict)
+		default:
+			return nil, errors.New("invalid function type")
+		}
+	} else {
+		common.Log.Debug("Function Type error: %#v", obj)
+		return nil, errors.New("type error")
+	}
+}
+
+// Simple linear interpolation from the PDF manual.
+func interpolate(x, xmin, xmax, ymin, ymax float64) float64 {
+	if math.Abs(xmax-xmin) < 0.000001 {
+		return ymin
+	}
+
+	y := ymin + (x-xmin)*(ymax-ymin)/(xmax-xmin)
+	return y
+}
+
+// Type 0 functions use a sequence of sample values (contained in a stream) to provide an approximation
+// for functions whose domains and ranges are bounded. The samples are organized as an m-dimensional
+// table in which each entry has n components
+type PdfFunctionType0 struct {
+	Domain []float64 // required; 2*m length; where m is the number of input values
+	Range  []float64 // required (type 0); 2*n length; where n is the number of output values
+
+	NumInputs  int
+	NumOutputs int
+
+	Size          []int
+	BitsPerSample int
+	Order         int // Values 1 or 3 (linear or cubic spline interpolation)
+	Encode        []float64
+	Decode        []float64
+
+	rawData []byte
+	data    []uint32
+
+	container *core.PdfObjectStream
+}
+
+// Construct the PDF function object from a stream object (typically loaded from a PDF file).
+func newPdfFunctionType0FromStream(stream *core.PdfObjectStream) (*PdfFunctionType0, error) {
+	fun := &PdfFunctionType0{}
+
+	fun.container = stream
+
+	dict := stream.PdfObjectDictionary
+
+	// Domain
+	array, has := core.TraceToDirectObject(dict.Get("Domain")).(*core.PdfObjectArray)
+	if !has {
+		common.Log.Error("Domain not specified")
+		return nil, errors.New("required attribute missing or invalid")
+	}
+	if len(*array)%2 != 0 {
+		common.Log.Error("Domain invalid")
+		return nil, errors.New("invalid domain range")
+	}
+	fun.NumInputs = len(*array) / 2
+	domain, err := array.ToFloat64Array()
+	if err != nil {
+		return nil, err
+	}
+	fun.Domain = domain
+
+	// Range
+	array, has = core.TraceToDirectObject(dict.Get("Range")).(*core.PdfObjectArray)
+	if !has {
+		common.Log.Error("Range not specified")
+		return nil, errors.New("required attribute missing or invalid")
+	}
+	if len(*array)%2 != 0 {
+		return nil, errors.New("invalid range")
+	}
+	fun.NumOutputs = len(*array) / 2
+	rang, err := array.ToFloat64Array()
+	if err != nil {
+		return nil, err
+	}
+	fun.Range = rang
+
+	// Number of samples in each input dimension
+	array, has = core.TraceToDirectObject(dict.Get("Size")).(*core.PdfObjectArray)
+	if !has {
+		common.Log.Error("Size not specified")
+		return nil, errors.New("required attribute missing or invalid")
+	}
+	tablesize, err := array.ToIntegerArray()
+	if err != nil {
+		return nil, err
+	}
+	if len(tablesize) != fun.NumInputs {
+		common.Log.Error("Table size not matching number of inputs")
+		return nil, errors.New("range check")
+	}
+	fun.Size = tablesize
+
+	// BitsPerSample
+	bps, has := core.TraceToDirectObject(dict.Get("BitsPerSample")).(*core.PdfObjectInteger)
+	if !has {
+		common.Log.Error("BitsPerSample not specified")
+		return nil, errors.New("required attribute missing or invalid")
+	}
+	if *bps != 1 && *bps != 2 && *bps != 4 && *bps != 8 && *bps != 12 && *bps != 16 && *bps != 24 && *bps != 32 {
+		common.Log.Error("Bits per sample outside range (%d)", *bps)
+		return nil, errors.New("range check")
+	}
+	fun.BitsPerSample = int(*bps)
+
+	fun.Order = 1
+	order, has := core.TraceToDirectObject(dict.Get("Order")).(*core.PdfObjectInteger)
+	if has {
+		if *order != 1 && *order != 3 {
+			common.Log.Error("invalid order (%d)", *order)
+			return nil, errors.New("range check")
+		}
+		fun.Order = int(*order)
+	}
+
+	// Encode: is a 2*m array specifying the linear mapping of input values into the domain of the function's
+	// sample table.
+	array, has = core.TraceToDirectObject(dict.Get("Encode")).(*core.PdfObjectArray)
+	if has {
+		encode, err := array.ToFloat64Array()
+		if err != nil {
+			return nil, err
+		}
+		fun.Encode = encode
+	}
+
+	// Decode
+	array, has = core.TraceToDirectObject(dict.Get("Decode")).(*core.PdfObjectArray)
+	if has {
+		decode, err := array.ToFloat64Array()
+		if err != nil {
+			return nil, err
+		}
+		fun.Decode = decode
+	}
+
+	data, err := core.DecodeStream(stream)
+	if err != nil {
+		return nil, err
+	}
+	fun.rawData = data
+
+	return fun, nil
+}
+
+func (pft *PdfFunctionType0) ToPdfObject() core.PdfObject {
+	container := pft.container
+	if container != nil {
+		pft.container = &core.PdfObjectStream{}
+	}
+
+	dict := core.MakeDict()
+	dict.Set("FunctionType", core.MakeInteger(0))
+
+	// Domain (required).
+	domainArray := &core.PdfObjectArray{}
+	for _, val := range pft.Domain {
+		domainArray.Append(core.MakeFloat(val))
+	}
+	dict.Set("Domain", domainArray)
+
+	// Range (required).
+	rangeArray := &core.PdfObjectArray{}
+	for _, val := range pft.Range {
+		rangeArray.Append(core.MakeFloat(val))
+	}
+	dict.Set("Range", rangeArray)
+
+	// Size (required).
+	sizeArray := &core.PdfObjectArray{}
+	for _, val := range pft.Size {
+		sizeArray.Append(core.MakeInteger(int64(val)))
+	}
+	dict.Set("Size", sizeArray)
+
+	dict.Set("BitsPerSample", core.MakeInteger(int64(pft.BitsPerSample)))
+
+	if pft.Order != 1 {
+		dict.Set("Order", core.MakeInteger(int64(pft.Order)))
+	}
+
+	// TODO: Encode.
+	// Either here, or automatically later on when writing out.
+	dict.Set("Length", core.MakeInteger(int64(len(pft.rawData))))
+	container.Stream = pft.rawData
+
+	container.PdfObjectDictionary = dict
+	return container
+}
+
+func (pft *PdfFunctionType0) Evaluate(x []float64) ([]float64, error) {
+	if len(x) != pft.NumInputs {
+		common.Log.Error("Number of inputs not matching what is needed")
+		return nil, errors.New("range check error")
+	}
+
+	if pft.data == nil {
+		// Process the samples if not already done.
+		err := pft.processSamples()
+		if err != nil {
+			return nil, err
+		}
+	}
+
+	// Fall back to default Encode/Decode params if not set.
+	encode := pft.Encode
+	if encode == nil {
+		encode = []float64{}
+		for i := 0; i < len(pft.Size); i++ {
+			encode = append(encode, 0)
+			encode = append(encode, float64(pft.Size[i]-1))
+		}
+	}
+	decode := pft.Decode
+	if decode == nil {
+		decode = pft.Range
+	}
+
+	indices := []int{}
+	// Start with nearest neighbour interpolation.
+	for i := 0; i < len(x); i++ {
+		xi := x[i]
+
+		xip := math.Min(math.Max(xi, pft.Domain[2*i]), pft.Domain[2*i+1])
+
+		ei := interpolate(xip, pft.Domain[2*i], pft.Domain[2*i+1], encode[2*i], encode[2*i+1])
+		eip := math.Min(math.Max(ei, 0), float64(pft.Size[i]))
+		// eip represents coordinate into the data table.
+		// At this point it is real values.
+
+		// Interpolation shall be used to to determine output values
+		// from the nearest surrounding values in the sample table.
+
+		// Initial implementation is simply nearest neighbour.
+		// Then will add the linear and possibly bicubic/spline.
+		index := int(math.Floor(eip + 0.5))
+		if index < 0 {
+			index = 0
+		} else if index > pft.Size[i] {
+			index = pft.Size[i] - 1
+		}
+		indices = append(indices, index)
+
+	}
+
+	// Calculate the index
+	m := indices[0]
+	for i := 1; i < pft.NumInputs; i++ {
+		add := indices[i]
+		for j := 0; j < i; j++ {
+			add *= pft.Size[j]
+		}
+		m += add
+	}
+	m *= pft.NumOutputs
+
+	// Output values.
+	outputs := []float64{}
+	for j := 0; j < pft.NumOutputs; j++ {
+		rj := pft.data[m+j]
+		rjp := interpolate(float64(rj), 0, math.Pow(2, float64(pft.BitsPerSample)), decode[2*j], decode[2*j+1])
+		yj := math.Min(math.Max(rjp, pft.Range[2*j]), pft.Range[2*j+1])
+		outputs = append(outputs, yj)
+	}
+
+	return outputs, nil
+}
+
+// Convert raw data to data table.  The maximum supported BitsPerSample is 32, so we store the resulting data
+// in a uint32 array.  This is somewhat wasteful in the case of a small BitsPerSample, but these tables are
+// presumably not huge at any rate.
+func (pft *PdfFunctionType0) processSamples() error {
+	data := sampling.ResampleBytes(pft.rawData, pft.BitsPerSample)
+	pft.data = data
+
+	return nil
+}
+
+// Type 2 functions define an exponential interpolation of one input value and n
+// output values:
+//
+//	f(x) = y_0, ..., y_(n-1)
+//
+// y_j = C0_j + x^N * (C1_j - C0_j); for 0 <= j < n
+// When N=1 ; linear interpolation between C0 and C1.
+type PdfFunctionType2 struct {
+	Domain []float64
+	Range  []float64
+
+	C0 []float64
+	C1 []float64
+	N  float64
+
+	container *core.PdfIndirectObject
+}
+
+// Can be either indirect object or dictionary.  If indirect, then must be holding a dictionary,
+// i.e. acting as a container. When converting back to pdf object, will use the container provided.
+
+func newPdfFunctionType2FromPdfObject(obj core.PdfObject) (*PdfFunctionType2, error) {
+	fun := &PdfFunctionType2{}
+
+	var dict *core.PdfObjectDictionary
+	if indObj, is := obj.(*core.PdfIndirectObject); is {
+		d, ok := indObj.PdfObject.(*core.PdfObjectDictionary)
+		if !ok {
+			return nil, errors.New("type check error")
+		}
+		fun.container = indObj
+		dict = d
+	} else if d, is := obj.(*core.PdfObjectDictionary); is {
+		dict = d
+	} else {
+		return nil, errors.New("type check error")
+	}
+
+	common.Log.Trace("FUNC2: %s", dict.String())
+
+	// Domain
+	array, has := core.TraceToDirectObject(dict.Get("Domain")).(*core.PdfObjectArray)
+	if !has {
+		common.Log.Error("Domain not specified")
+		return nil, errors.New("required attribute missing or invalid")
+	}
+	if len(*array)%2 != 0 {
+		common.Log.Error("Domain range invalid")
+		return nil, errors.New("invalid domain range")
+	}
+	domain, err := array.ToFloat64Array()
+	if err != nil {
+		return nil, err
+	}
+	fun.Domain = domain
+
+	// Range
+	array, has = core.TraceToDirectObject(dict.Get("Range")).(*core.PdfObjectArray)
+	if has {
+		if len(*array)%2 != 0 {
+			return nil, errors.New("invalid range")
+		}
+
+		rang, err := array.ToFloat64Array()
+		if err != nil {
+			return nil, err
+		}
+		fun.Range = rang
+	}
+
+	// C0.
+	array, has = core.TraceToDirectObject(dict.Get("C0")).(*core.PdfObjectArray)
+	if has {
+		c0, err := array.ToFloat64Array()
+		if err != nil {
+			return nil, err
+		}
+		fun.C0 = c0
+	}
+
+	// C1.
+	array, has = core.TraceToDirectObject(dict.Get("C1")).(*core.PdfObjectArray)
+	if has {
+		c1, err := array.ToFloat64Array()
+		if err != nil {
+			return nil, err
+		}
+		fun.C1 = c1
+	}
+
+	if len(fun.C0) != len(fun.C1) {
+		common.Log.Error("C0 and C1 not matching")
+		return nil, errors.New("range check")
+	}
+
+	// Exponent.
+	N, err := getNumberAsFloat(core.TraceToDirectObject(dict.Get("N")))
+	if err != nil {
+		common.Log.Error("N missing or invalid, dict: %s", dict.String())
+		return nil, err
+	}
+	fun.N = N
+
+	return fun, nil
+}
+
+func (ftt *PdfFunctionType2) ToPdfObject() core.PdfObject {
+	dict := core.MakeDict()
+
+	dict.Set("FunctionType", core.MakeInteger(2))
+
+	// Domain (required).
+	domainArray := &core.PdfObjectArray{}
+	for _, val := range ftt.Domain {
+		domainArray.Append(core.MakeFloat(val))
+	}
+	dict.Set("Domain", domainArray)
+
+	// Range (required).
+	if ftt.Range != nil {
+		rangeArray := &core.PdfObjectArray{}
+		for _, val := range ftt.Range {
+			rangeArray.Append(core.MakeFloat(val))
+		}
+		dict.Set("Range", rangeArray)
+	}
+
+	// C0.
+	if ftt.C0 != nil {
+		c0Array := &core.PdfObjectArray{}
+		for _, val := range ftt.C0 {
+			c0Array.Append(core.MakeFloat(val))
+		}
+		dict.Set("C0", c0Array)
+	}
+
+	// C1.
+	if ftt.C1 != nil {
+		c1Array := &core.PdfObjectArray{}
+		for _, val := range ftt.C1 {
+			c1Array.Append(core.MakeFloat(val))
+		}
+		dict.Set("C1", c1Array)
+	}
+
+	// exponent
+	dict.Set("N", core.MakeFloat(ftt.N))
+
+	// Wrap in a container if we have one already specified.
+	if ftt.container != nil {
+		ftt.container.PdfObject = dict
+		return ftt.container
+	} else {
+		return dict
+	}
+
+}
+
+func (ftt *PdfFunctionType2) Evaluate(x []float64) ([]float64, error) {
+	if len(x) != 1 {
+		common.Log.Error("Only one input allowed")
+		return nil, errors.New("range check")
+	}
+
+	// Prepare.
+	c0 := []float64{0.0}
+	if ftt.C0 != nil {
+		c0 = ftt.C0
+	}
+	c1 := []float64{1.0}
+	if ftt.C1 != nil {
+		c1 = ftt.C1
+	}
+
+	y := []float64{}
+	for i := 0; i < len(c0); i++ {
+		yi := c0[i] + math.Pow(x[0], ftt.N)*(c1[i]-c0[i])
+		y = append(y, yi)
+	}
+
+	return y, nil
+}
+
+// Type 3 functions define stitching of the subdomains of serveral 1-input functions to produce
+// a single new 1-input function.
+type PdfFunctionType3 struct {
+	Domain []float64
+	Range  []float64
+
+	Functions []PdfFunction // k-1 input functions
+	Bounds    []float64     // k-1 numbers; defines the intervals where each function applies
+	Encode    []float64     // Array of 2k numbers..
+
+	container *core.PdfIndirectObject
+}
+
+func (*PdfFunctionType3) Evaluate(x []float64) ([]float64, error) {
+	if len(x) != 1 {
+		common.Log.Error("Only one input allowed")
+		return nil, errors.New("range check")
+	}
+
+	// Determine which function to use
+
+	// Encode
+
+	return nil, errors.New("not implemented yet")
+}
+
+func newPdfFunctionType3FromPdfObject(obj core.PdfObject) (*PdfFunctionType3, error) {
+	fun := &PdfFunctionType3{}
+
+	var dict *core.PdfObjectDictionary
+	if indObj, is := obj.(*core.PdfIndirectObject); is {
+		d, ok := indObj.PdfObject.(*core.PdfObjectDictionary)
+		if !ok {
+			return nil, errors.New("type check error")
+		}
+		fun.container = indObj
+		dict = d
+	} else if d, is := obj.(*core.PdfObjectDictionary); is {
+		dict = d
+	} else {
+		return nil, errors.New("type check error")
+	}
+
+	// Domain
+	array, has := core.TraceToDirectObject(dict.Get("Domain")).(*core.PdfObjectArray)
+	if !has {
+		common.Log.Error("Domain not specified")
+		return nil, errors.New("required attribute missing or invalid")
+	}
+	if len(*array) != 2 {
+		common.Log.Error("Domain invalid")
+		return nil, errors.New("invalid domain range")
+	}
+	domain, err := array.ToFloat64Array()
+	if err != nil {
+		return nil, err
+	}
+	fun.Domain = domain
+
+	// Range
+	array, has = core.TraceToDirectObject(dict.Get("Range")).(*core.PdfObjectArray)
+	if has {
+		if len(*array)%2 != 0 {
+			return nil, errors.New("invalid range")
+		}
+		rang, err := array.ToFloat64Array()
+		if err != nil {
+			return nil, err
+		}
+		fun.Range = rang
+	}
+
+	// Functions.
+	array, has = core.TraceToDirectObject(dict.Get("Functions")).(*core.PdfObjectArray)
+	if !has {
+		common.Log.Error("Functions not specified")
+		return nil, errors.New("required attribute missing or invalid")
+	}
+	fun.Functions = []PdfFunction{}
+	for _, obj := range *array {
+		subf, err := newPdfFunctionFromPdfObject(obj)
+		if err != nil {
+			return nil, err
+		}
+		fun.Functions = append(fun.Functions, subf)
+	}
+
+	// Bounds
+	array, has = core.TraceToDirectObject(dict.Get("Bounds")).(*core.PdfObjectArray)
+	if !has {
+		common.Log.Error("Bounds not specified")
+		return nil, errors.New("required attribute missing or invalid")
+	}
+	bounds, err := array.ToFloat64Array()
+	if err != nil {
+		return nil, err
+	}
+	fun.Bounds = bounds
+	if len(fun.Bounds) != len(fun.Functions)-1 {
+		common.Log.Error("Bounds (%d) and num functions (%d) not matching", len(fun.Bounds), len(fun.Functions))
+		return nil, errors.New("range check")
+	}
+
+	// Encode.
+	array, has = core.TraceToDirectObject(dict.Get("Encode")).(*core.PdfObjectArray)
+	if !has {
+		common.Log.Error("Encode not specified")
+		return nil, errors.New("required attribute missing or invalid")
+	}
+	encode, err := array.ToFloat64Array()
+	if err != nil {
+		return nil, err
+	}
+	fun.Encode = encode
+	if len(fun.Encode) != 2*len(fun.Functions) {
+		common.Log.Error("Len encode (%d) and num functions (%d) not matching up", len(fun.Encode), len(fun.Functions))
+		return nil, errors.New("range check")
+	}
+
+	return fun, nil
+}
+
+func (ftt *PdfFunctionType3) ToPdfObject() core.PdfObject {
+	dict := core.MakeDict()
+
+	dict.Set("FunctionType", core.MakeInteger(3))
+
+	// Domain (required).
+	domainArray := &core.PdfObjectArray{}
+	for _, val := range ftt.Domain {
+		domainArray.Append(core.MakeFloat(val))
+	}
+	dict.Set("Domain", domainArray)
+
+	// Range (required).
+	if ftt.Range != nil {
+		rangeArray := &core.PdfObjectArray{}
+		for _, val := range ftt.Range {
+			rangeArray.Append(core.MakeFloat(val))
+		}
+		dict.Set("Range", rangeArray)
+	}
+
+	// Functions
+	if ftt.Functions != nil {
+		fArray := &core.PdfObjectArray{}
+		for _, fun := range ftt.Functions {
+			fArray.Append(fun.ToPdfObject())
+		}
+		dict.Set("Functions", fArray)
+	}
+
+	// Bounds.
+	if ftt.Bounds != nil {
+		bArray := &core.PdfObjectArray{}
+		for _, val := range ftt.Bounds {
+			bArray.Append(core.MakeFloat(val))
+		}
+		dict.Set("Bounds", bArray)
+	}
+
+	// Encode.
+	if ftt.Encode != nil {
+		eArray := &core.PdfObjectArray{}
+		for _, val := range ftt.Encode {
+			eArray.Append(core.MakeFloat(val))
+		}
+		dict.Set("Encode", eArray)
+	}
+
+	// Wrap in a container if we have one already specified.
+	if ftt.container != nil {
+		ftt.container.PdfObject = dict
+		return ftt.container
+	} else {
+		return dict
+	}
+}
+
+// Type 4.  Postscript calculator functions.
+type PdfFunctionType4 struct {
+	Domain  []float64
+	Range   []float64
+	Program *ps.PSProgram
+
+	executor    *ps.PSExecutor
+	decodedData []byte
+
+	container *core.PdfObjectStream
+}
+
+// Input [x1 x2 x3]
+func (ftt *PdfFunctionType4) Evaluate(xVec []float64) ([]float64, error) {
+	if ftt.executor == nil {
+		ftt.executor = ps.NewPSExecutor(ftt.Program)
+	}
+
+	inputs := []ps.PSObject{}
+	for _, val := range xVec {
+		inputs = append(inputs, ps.MakeReal(val))
+	}
+
+	outputs, err := ftt.executor.Execute(inputs)
+	if err != nil {
+		return nil, err
+	}
+
+	// After execution the outputs are on the stack [y1 ... yM]
+	// Convert to floats.
+	yVec, err := ps.PSObjectArrayToFloat64Array(outputs)
+	if err != nil {
+		return nil, err
+	}
+
+	return yVec, nil
+}
+
+// Load a type 4 function from a PDF stream object.
+func newPdfFunctionType4FromStream(stream *core.PdfObjectStream) (*PdfFunctionType4, error) {
+	fun := &PdfFunctionType4{}
+
+	fun.container = stream
+
+	dict := stream.PdfObjectDictionary
+
+	// Domain
+	array, has := core.TraceToDirectObject(dict.Get("Domain")).(*core.PdfObjectArray)
+	if !has {
+		common.Log.Error("Domain not specified")
+		return nil, errors.New("required attribute missing or invalid")
+	}
+	if len(*array)%2 != 0 {
+		common.Log.Error("Domain invalid")
+		return nil, errors.New("invalid domain range")
+	}
+	domain, err := array.ToFloat64Array()
+	if err != nil {
+		return nil, err
+	}
+	fun.Domain = domain
+
+	// Range
+	array, has = core.TraceToDirectObject(dict.Get("Range")).(*core.PdfObjectArray)
+	if has {
+		if len(*array)%2 != 0 {
+			return nil, errors.New("invalid range")
+		}
+		rang, err := array.ToFloat64Array()
+		if err != nil {
+			return nil, err
+		}
+		fun.Range = rang
+	}
+
+	// Program.  Decode the program and parse the PS code.
+	decoded, err := core.DecodeStream(stream)
+	if err != nil {
+		return nil, err
+	}
+	fun.decodedData = decoded
+
+	psParser := ps.NewPSParser([]byte(decoded))
+	prog, err := psParser.Parse()
+	if err != nil {
+		return nil, err
+	}
+	fun.Program = prog
+
+	return fun, nil
+}
+
+func (ftt *PdfFunctionType4) ToPdfObject() core.PdfObject {
+	container := ftt.container
+	if container == nil {
+		ftt.container = &core.PdfObjectStream{}
+		container = ftt.container
+	}
+
+	dict := core.MakeDict()
+	dict.Set("FunctionType", core.MakeInteger(4))
+
+	// Domain (required).
+	domainArray := &core.PdfObjectArray{}
+	for _, val := range ftt.Domain {
+		domainArray.Append(core.MakeFloat(val))
+	}
+	dict.Set("Domain", domainArray)
+
+	// Range (required).
+	rangeArray := &core.PdfObjectArray{}
+	for _, val := range ftt.Range {
+		rangeArray.Append(core.MakeFloat(val))
+	}
+	dict.Set("Range", rangeArray)
+
+	if ftt.decodedData == nil && ftt.Program != nil {
+		// Update data.  This is used for created functions (not parsed ones).
+		ftt.decodedData = []byte(ftt.Program.String())
+	}
+
+	// TODO: Encode.
+	// Either here, or automatically later on when writing out.
+	dict.Set("Length", core.MakeInteger(int64(len(ftt.decodedData))))
+
+	container.Stream = ftt.decodedData
+	container.PdfObjectDictionary = dict
+
+	return container
+}