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op/paint: remove unnecessary check in ImageOp

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Signed-off-by: Pierre Curto <pierre.curto@gmail.com>
This commit is contained in:
Pierre Curto
2021-11-10 15:49:14 +01:00
committed by Elias Naur
parent 9835cd5996
commit bcf3ff77ff
5 changed files with 33 additions and 8 deletions
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gpu/internal/rendertest/render_test.go
+23
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@@ -334,6 +334,29 @@ func TestZeroImage(t *testing.T) {
}
}
func TestImageRGBA(t *testing.T) {
run(t, func(o *op.Ops) {
w := newWindow(t, 10, 10)
im := image.NewRGBA(image.Rect(0, 0, 5, 5))
im.Set(3, 3, colornames.Black)
im.Set(4, 3, colornames.Black)
im.Set(3, 4, colornames.Black)
im.Set(4, 4, colornames.Black)
im = im.SubImage(image.Rect(2, 2, 5, 5)).(*image.RGBA)
paint.NewImageOp(im).Add(o)
paint.PaintOp{}.Add(o)
if err := w.Frame(o); err != nil {
t.Error(err)
}
}, func(r result) {
r.expect(1, 1, colornames.Black)
r.expect(2, 1, colornames.Black)
r.expect(1, 2, colornames.Black)
r.expect(2, 2, colornames.Black)
})
}
// lerp calculates linear interpolation with color b and p.
func lerp(a, b f32color.RGBA, p float32) f32color.RGBA {
return f32color.RGBA{