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Only unpack masks when necessary

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This commit is contained in:
Andrew Murray 2023-10-30 22:05:08 +11:00
parent 5fd3035362
commit 8814610635
1 changed files with 1 additions and 1 deletions
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src/PIL/DdsImagePlugin.py
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@ -345,11 +345,11 @@ class DdsImageFile(ImageFile.ImageFile):
# pixel format
pfsize, pfflags, fourcc, bitcount = struct.unpack("<4I", header.read(16))
masks = struct.unpack("<4I", header.read(16))
n = 0
rawmode = None
if pfflags & DDPF.RGB:
# Texture contains uncompressed RGB data
masks = struct.unpack("<4I", header.read(16))
masks = {mask: ["R", "G", "B", "A"][i] for i, mask in enumerate(masks)}
if bitcount == 8:
self._mode = "L"