fix wrong git ignore

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
+}