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ebiten: add TestImageTooManyDrawImage2

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Hajime Hoshi 2023-03-20 02:03:57 +09:00
parent 8ae6ea5ff6
commit ae625255f2
1 changed files with 39 additions and 0 deletions
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39
image_test.go
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@ -3321,6 +3321,45 @@ func TestImageTooManyDrawImage(t *testing.T) {
}
}
func TestImageTooManyDrawImage2(t *testing.T) {
src := ebiten.NewImage(1, 1)
src.Fill(color.RGBA{R: 0xff, G: 0xff, B: 0xff, A: 0xff})
const (
w = 512
h = 512
)
dst := ebiten.NewImage(w, h)
posToColor := func(i, j int) color.RGBA {
return color.RGBA{
R: byte(i),
G: byte(j),
B: 0xff,
A: 0xff,
}
}
op := &ebiten.DrawImageOptions{}
for j := 0; j < h; j++ {
for i := 0; i < w; i++ {
op.GeoM.Reset()
op.GeoM.Translate(float64(i), float64(j))
op.ColorScale.Reset()
op.ColorScale.ScaleWithColor(posToColor(i, j))
dst.DrawImage(src, op)
}
}
for j := 0; j < h; j++ {
for i := 0; i < w; i++ {
if got, want := dst.At(i, j).(color.RGBA), posToColor(i, j); !sameColors(got, want, 1) {
t.Errorf("dst.At(%d, %d): got: %v, want: %v", i, j, got, want)
}
}
}
}
// Issue #2178
func TestImageTooManyDrawTriangles(t *testing.T) {
img := ebiten.NewImage(3, 3)