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ebiten: Updates the tests

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The tests are still disabled as they don't pass yet.

Updates #1171
This commit is contained in:
Hajime Hoshi 2020-06-15 02:48:04 +09:00
parent 1785b6a670
commit 0b94e2e036
1 changed files with 40 additions and 2 deletions
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42
image_test.go
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@ -2072,7 +2072,14 @@ func Disabled_TestImageFloatTranslate(t *testing.T) {
dst, _ := NewImage(320, 240, FilterDefault)
src, _ := NewImage(w, h, FilterDefault)
src.Fill(color.RGBA{0xff, 0, 0, 0xff})
pix := make([]byte, 4*w*h)
for j := 0; j < h; j++ {
for i := 0; i < w; i++ {
pix[4*(j*w+i)] = byte(j)
pix[4*(j*w+i)+3] = 0xff
}
}
src.ReplacePixels(pix)
op := &DrawImageOptions{}
op.GeoM.Scale(2, 2)
@ -2082,7 +2089,38 @@ func Disabled_TestImageFloatTranslate(t *testing.T) {
for j := 1; j < h*2+1; j++ {
for i := 0; i < w*2; i++ {
got := dst.At(i, j)
want := color.RGBA{0xff, 0, 0, 0xff}
want := color.RGBA{(byte(j) - 1) / 2, 0, 0, 0xff}
if got != want {
t.Errorf("At(%d, %d): got: %v, want: %v", i, j, got, want)
}
}
}
}
// Issue #1171
func Disabled_TestImageSubImageFloatTranslate(t *testing.T) {
const w, h = 16, 16
dst, _ := NewImage(320, 240, FilterDefault)
src, _ := NewImage(w*2, h*2, FilterDefault)
pix := make([]byte, 4*(w*2)*(h*2))
for j := 0; j < h*2; j++ {
for i := 0; i < w*2; i++ {
pix[4*(j*(w*2)+i)] = byte(j)
pix[4*(j*(w*2)+i)+3] = 0xff
}
}
src.ReplacePixels(pix)
op := &DrawImageOptions{}
op.GeoM.Scale(2, 2)
op.GeoM.Translate(0, 0.501)
dst.DrawImage(src.SubImage(image.Rect(0, 0, w, h)).(*Image), op)
for j := 1; j < h*2+1; j++ {
for i := 0; i < w*2; i++ {
got := dst.At(i, j)
want := color.RGBA{(byte(j) - 1) / 2, 0, 0, 0xff}
if got != want {
t.Errorf("At(%d, %d): got: %v, want: %v", i, j, got, want)
}