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Merge pull request #8392 from radarhere/tiff_seek

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Do not create core image in TIFF seek()
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Hugo van Kemenade 2024-10-12 11:46:36 +03:00 committed by GitHub
commit 686b5e2cb4
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1 changed files with 6 additions and 5 deletions
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11
src/PIL/TiffImagePlugin.py
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@ -1193,11 +1193,11 @@ class TiffImageFile(ImageFile.ImageFile):
if not self._seek_check(frame):
return
self._seek(frame)
# Create a new core image object on second and
# subsequent frames in the image. Image may be
# different size/mode.
Image._decompression_bomb_check(self._tile_size)
self.im = Image.core.new(self.mode, self._tile_size)
if self._im is not None and (
self.im.size != self._tile_size or self.im.mode != self.mode
):
# The core image will no longer be used
self._im = None
def _seek(self, frame: int) -> None:
self.fp = self._fp
@ -1279,6 +1279,7 @@ class TiffImageFile(ImageFile.ImageFile):
def load_prepare(self) -> None:
if self._im is None:
Image._decompression_bomb_check(self._tile_size)
self.im = Image.core.new(self.mode, self._tile_size)
ImageFile.ImageFile.load_prepare(self)