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Use current frame for transparency detection

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This commit is contained in:
Aleksandr Karpinskii 2024-09-16 11:04:00 +02:00
parent d1f40a94ff
commit 31d36e6b70
2 changed files with 4 additions and 2 deletions
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2
Tests/test_file_webp.py
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@ -208,7 +208,7 @@ class TestFileWebp:
def test_background_from_gif(self, tmp_path: Path) -> None: def test_background_from_gif(self, tmp_path: Path) -> None:
out_webp = tmp_path / "temp.webp" out_webp = tmp_path / "temp.webp"
# Save L mode GIF with background # Save L mode GIF with background
with Image.open("Tests/images/no_palette_with_background.gif") as im: with Image.open("Tests/images/no_palette_with_background.gif") as im:
im.save(out_webp, save_all=True) im.save(out_webp, save_all=True)

4
src/PIL/WebPImagePlugin.py
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@ -243,7 +243,9 @@ def _save_all(im: Image.Image, fp: IO[bytes], filename: str | bytes) -> None:
# Make sure image mode is supported # Make sure image mode is supported
frame = ims frame = ims
if frame.mode not in ("RGBX", "RGBA", "RGB"): if frame.mode not in ("RGBX", "RGBA", "RGB"):
frame = frame.convert("RGBA" if im.has_transparency_data else "RGB") frame = frame.convert(
"RGBA" if frame.has_transparency_data else "RGB"
)
# Append the frame to the animation encoder # Append the frame to the animation encoder
enc.add( enc.add(