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Merge pull request #8256 from radarhere/jpeg2000_rgba

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Hugo van Kemenade 2024-09-04 14:48:01 +03:00 committed by GitHub
commit 7e838bf409
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2 changed files with 8 additions and 1 deletions
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7
Tests/test_file_jpeg2k.py
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@ -400,6 +400,13 @@ def test_pclr() -> None:
assert len(im.palette.colors) == 256 assert len(im.palette.colors) == 256
assert im.palette.colors[(255, 255, 255)] == 0 assert im.palette.colors[(255, 255, 255)] == 0
with Image.open(
f"{EXTRA_DIR}/147af3f1083de4393666b7d99b01b58b_signal_sigsegv_130c531_6155_5136.jp2"
) as im:
assert im.mode == "P"
assert len(im.palette.colors) == 139
assert im.palette.colors[(0, 0, 0, 0)] == 0
def test_comment() -> None: def test_comment() -> None:
with Image.open("Tests/images/comment.jp2") as im: with Image.open("Tests/images/comment.jp2") as im:

2
src/PIL/Jpeg2KImagePlugin.py
View File

@ -205,7 +205,7 @@ def _parse_jp2_header(
if bitdepth > max_bitdepth: if bitdepth > max_bitdepth:
max_bitdepth = bitdepth max_bitdepth = bitdepth
if max_bitdepth <= 8: if max_bitdepth <= 8:
palette = ImagePalette.ImagePalette() palette = ImagePalette.ImagePalette("RGBA" if npc == 4 else "RGB")
for i in range(ne): for i in range(ne):
color: list[int] = [] color: list[int] = []
for value in header.read_fields(">" + ("B" * npc)): for value in header.read_fields(">" + ("B" * npc)):