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Fixed calling putpalette() on L and LA images before load()

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This commit is contained in:
Andrew Murray 2023-05-26 19:14:56 +10:00
parent 7c910c4cd9
commit 07eccd9798
2 changed files with 10 additions and 0 deletions
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8
Tests/test_image_putpalette.py
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@ -32,6 +32,14 @@ def test_putpalette():
with pytest.raises(ValueError):
palette("YCbCr")
with Image.open("Tests/images/hopper_gray.jpg") as im:
assert im.mode == "L"
im.putpalette(list(range(256)) * 3)
with Image.open("Tests/images/la.tga") as im:
assert im.mode == "LA"
im.putpalette(list(range(256)) * 3)
def test_imagepalette():
im = hopper("P")

2
src/libImaging/Unpack.c
View File

@ -1552,10 +1552,12 @@ static struct {
{"P", "P;4L", 4, unpackP4L},
{"P", "P", 8, copy1},
{"P", "P;R", 8, unpackLR},
{"P", "L", 8, copy1},
/* palette w. alpha */
{"PA", "PA", 16, unpackLA},
{"PA", "PA;L", 16, unpackLAL},
{"PA", "LA", 16, unpackLA},
/* true colour */
{"RGB", "RGB", 24, ImagingUnpackRGB},