1 files changed, 70 insertions, 0 deletions
diff --git a/Godeps/_workspace/src/code.google.com/p/draw2d/draw2d/path_adder.go b/Godeps/_workspace/src/code.google.com/p/draw2d/draw2d/path_adder.go
new file mode 100644
index 000000000..c5efd2beb
--- /dev/null
+++ b/Godeps/_workspace/src/code.google.com/p/draw2d/draw2d/path_adder.go
@@ -0,0 +1,70 @@
+// Copyright 2010 The draw2d Authors. All rights reserved.
+// created: 13/12/2010 by Laurent Le Goff
+
+package draw2d
+
+import (
+	"code.google.com/p/freetype-go/freetype/raster"
+)
+
+type VertexAdder struct {
+	command VertexCommand
+	adder   raster.Adder
+}
+
+func NewVertexAdder(adder raster.Adder) *VertexAdder {
+	return &VertexAdder{VertexNoCommand, adder}
+}
+
+func (vertexAdder *VertexAdder) NextCommand(cmd VertexCommand) {
+	vertexAdder.command = cmd
+}
+
+func (vertexAdder *VertexAdder) Vertex(x, y float64) {
+	switch vertexAdder.command {
+	case VertexStartCommand:
+		vertexAdder.adder.Start(raster.Point{raster.Fix32(x * 256), raster.Fix32(y * 256)})
+	default:
+		vertexAdder.adder.Add1(raster.Point{raster.Fix32(x * 256), raster.Fix32(y * 256)})
+	}
+	vertexAdder.command = VertexNoCommand
+}
+
+type PathAdder struct {
+	adder              raster.Adder
+	firstPoint         raster.Point
+	ApproximationScale float64
+}
+
+func NewPathAdder(adder raster.Adder) *PathAdder {
+	return &PathAdder{adder, raster.Point{0, 0}, 1}
+}
+
+func (pathAdder *PathAdder) Convert(paths ...*PathStorage) {
+	for _, path := range paths {
+		j := 0
+		for _, cmd := range path.commands {
+			switch cmd {
+			case MoveTo:
+				pathAdder.firstPoint = raster.Point{raster.Fix32(path.vertices[j] * 256), raster.Fix32(path.vertices[j+1] * 256)}
+				pathAdder.adder.Start(pathAdder.firstPoint)
+				j += 2
+			case LineTo:
+				pathAdder.adder.Add1(raster.Point{raster.Fix32(path.vertices[j] * 256), raster.Fix32(path.vertices[j+1] * 256)})
+				j += 2
+			case QuadCurveTo:
+				pathAdder.adder.Add2(raster.Point{raster.Fix32(path.vertices[j] * 256), raster.Fix32(path.vertices[j+1] * 256)}, raster.Point{raster.Fix32(path.vertices[j+2] * 256), raster.Fix32(path.vertices[j+3] * 256)})
+				j += 4
+			case CubicCurveTo:
+				pathAdder.adder.Add3(raster.Point{raster.Fix32(path.vertices[j] * 256), raster.Fix32(path.vertices[j+1] * 256)}, raster.Point{raster.Fix32(path.vertices[j+2] * 256), raster.Fix32(path.vertices[j+3] * 256)}, raster.Point{raster.Fix32(path.vertices[j+4] * 256), raster.Fix32(path.vertices[j+5] * 256)})
+				j += 6
+			case ArcTo:
+				lastPoint := arcAdder(pathAdder.adder, path.vertices[j], path.vertices[j+1], path.vertices[j+2], path.vertices[j+3], path.vertices[j+4], path.vertices[j+5], pathAdder.ApproximationScale)
+				pathAdder.adder.Add1(lastPoint)
+				j += 6
+			case Close:
+				pathAdder.adder.Add1(pathAdder.firstPoint)
+			}
+		}
+	}
+}