fix wrong git ignore

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
+}