func TestFreetypeNonZeroWinding(t *testing.T) {
var p Path
p.LineTo(10, 190)
c := curve.CubicCurveFloat64{10, 190, 10, 10, 190, 10, 190, 190}
c.Segment(&p, flatteningThreshold)
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)
savepng("../output/raster/TestFreetypeNonZeroWinding.png", img)
}
func BenchmarkFreetype(b *testing.B) {
var p Path
p.LineTo(10, 190)
c := curve.CubicCurveFloat64{10, 190, 10, 10, 190, 10, 190, 190}
c.Segment(&p, flatteningThreshold)
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 = false
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)
}
}
func BenchmarkRasterizer(b *testing.B) {
var p Path
p.LineTo(10, 190)
c := curve.CubicCurveFloat64{10, 190, 10, 10, 190, 10, 190, 190}
c.Segment(&p, flattening_threshold)
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)
}
}
func TestRasterizer(t *testing.T) {
img := image.NewRGBA(image.Rect(0, 0, 200, 200))
var p Path
p.LineTo(10, 190)
c := curve.CubicCurveFloat64{10, 190, 10, 10, 190, 10, 190, 190}
c.Segment(&p, flattening_threshold)
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.RenderEvenOdd(img, &color, &poly, tr)
savepng("_testRasterizer.png", img)
}