Example #1
0
func BenchmarkFreetypeNonZeroWinding(b *testing.B) {
	var p Path
	p.LineTo(10, 190)
	draw2dbase.TraceCubic(&p, []float64{10, 190, 10, 10, 190, 10, 190, 190}, 0.5)

	poly := Polygon(p.points)
	color := color.RGBA{0, 0, 0, 0xff}

	for i := 0; i < b.N; i++ {
		img := image.NewRGBA(image.Rect(0, 0, 200, 200))
		rasterizer := raster.NewRasterizer(200, 200)
		rasterizer.UseNonZeroWinding = true
		rasterizer.Start(raster.Point{
			X: raster.Fix32(10 * 256),
			Y: raster.Fix32(190 * 256)})
		for j := 0; j < len(poly); j = j + 2 {
			rasterizer.Add1(raster.Point{
				X: raster.Fix32(poly[j] * 256),
				Y: raster.Fix32(poly[j+1] * 256)})
		}
		painter := raster.NewRGBAPainter(img)
		painter.SetColor(color)
		rasterizer.Rasterize(painter)
	}
}
Example #2
0
func BenchmarkRasterizer(b *testing.B) {
	var p Path
	p.LineTo(10, 190)
	draw2dbase.TraceCubic(&p, []float64{10, 190, 10, 10, 190, 10, 190, 190}, 0.5)

	poly := Polygon(p.points)
	color := color.RGBA{0, 0, 0, 0xff}
	tr := [6]float64{1, 0, 0, 1, 0, 0}
	for i := 0; i < b.N; i++ {
		img := image.NewRGBA(image.Rect(0, 0, 200, 200))
		rasterizer := NewRasterizer8BitsSample(200, 200)
		rasterizer.RenderEvenOdd(img, &color, &poly, tr)
	}
}
Example #3
0
func TestRasterizerNonZeroWinding(t *testing.T) {
	img := image.NewRGBA(image.Rect(0, 0, 200, 200))
	var p Path
	p.LineTo(10, 190)
	draw2dbase.TraceCubic(&p, []float64{10, 190, 10, 10, 190, 10, 190, 190}, 0.5)

	poly := Polygon(p.points)
	color := color.RGBA{0, 0, 0, 0xff}
	tr := [6]float64{1, 0, 0, 1, 0, 0}
	r := NewRasterizer8BitsSample(200, 200)
	//PolylineBresenham(img, image.Black, poly...)

	r.RenderNonZeroWinding(img, &color, &poly, tr)
	draw2dimg.SaveToPngFile("../output/raster/TestRasterizerNonZeroWinding.png", img)
}
Example #4
0
func TestFreetypeNonZeroWinding(t *testing.T) {
	var p Path
	p.LineTo(10, 190)
	draw2dbase.TraceCubic(&p, []float64{10, 190, 10, 10, 190, 10, 190, 190}, 0.5)
	poly := Polygon(p.points)
	color := color.RGBA{0, 0, 0, 0xff}

	img := image.NewRGBA(image.Rect(0, 0, 200, 200))
	rasterizer := raster.NewRasterizer(200, 200)
	rasterizer.UseNonZeroWinding = true
	rasterizer.Start(raster.Point{
		X: raster.Fix32(10 * 256),
		Y: raster.Fix32(190 * 256)})
	for j := 0; j < len(poly); j = j + 2 {
		rasterizer.Add1(raster.Point{
			X: raster.Fix32(poly[j] * 256),
			Y: raster.Fix32(poly[j+1] * 256)})
	}
	painter := raster.NewRGBAPainter(img)
	painter.SetColor(color)
	rasterizer.Rasterize(painter)

	draw2dimg.SaveToPngFile("../output/raster/TestFreetypeNonZeroWinding.png", img)
}