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Added test

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This commit is contained in:
Andrew Murray 2022-06-20 09:18:05 +10:00
parent 9f9e26522e
commit a2eff2aff5
1 changed files with 16 additions and 0 deletions
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Tests/test_image_quantize.py
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@ -65,6 +65,22 @@ def test_quantize_no_dither():
assert converted.palette.palette == palette.palette.palette assert converted.palette.palette == palette.palette.palette
def test_quantize_no_dither2():
im = Image.new("RGB", (9, 1))
im.putdata(list((p,) * 3 for p in range(0, 36, 4)))
palette = Image.new("P", (1, 1))
data = (0, 0, 0, 32, 32, 32)
palette.putpalette(data)
quantized = im.quantize(dither=Image.Dither.NONE, palette=palette)
assert tuple(quantized.palette.palette) == data
px = quantized.load()
for x in range(9):
assert px[x, 0] == (0 if x < 5 else 1)
def test_quantize_dither_diff(): def test_quantize_dither_diff():
image = hopper() image = hopper()
with Image.open("Tests/images/caption_6_33_22.png") as palette: with Image.open("Tests/images/caption_6_33_22.png") as palette: