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Removed requirement for 256 palette entries

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This commit is contained in:
Andrew Murray 2022-08-28 15:58:30 +10:00
parent ad7be550aa
commit 9fa421923c
2 changed files with 2 additions and 5 deletions
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1
Tests/test_image.py
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@ -620,6 +620,7 @@ class TestImage:
im_remapped = im.remap_palette([1, 0])
assert im_remapped.info["transparency"] == 1
assert len(im_remapped.getpalette()) == 6
# Test unused transparency
im.info["transparency"] = 2

6
src/PIL/Image.py
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@ -1944,11 +1944,7 @@ class Image:
m_im = m_im.convert("L")
# Internally, we require 256 palette entries.
new_palette_bytes = (
palette_bytes + ((256 * bands) - len(palette_bytes)) * b"\x00"
)
m_im.putpalette(new_palette_bytes, palette_mode)
m_im.putpalette(palette_bytes, palette_mode)
m_im.palette = ImagePalette.ImagePalette(palette_mode, palette=palette_bytes)
if "transparency" in self.info: