python-pillow/Pillow
1
1
Fork 0
mirror of https://github.com/python-pillow/Pillow.git synced 2025-07-10 00:02:24 +03:00
Code Issues Packages Projects Releases Wiki Activity

Use int.from_bytes()

Browse Source
This commit is contained in:
Andrew Murray 2023-12-01 22:56:25 +11:00
parent 30eb41475d
commit 2e8dd3bdca
1 changed files with 2 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
src/PIL/DdsImagePlugin.py
View File

@ -258,10 +258,9 @@ class DdsRgbDecoder(ImageFile.PyDecoder):
data = bytearray() data = bytearray()
bytecount = bitcount // 8 bytecount = bitcount // 8
while len(data) < self.state.xsize * self.state.ysize * len(masks): while len(data) < self.state.xsize * self.state.ysize * len(masks):
value = self.fd.read(bytecount) value = int.from_bytes(self.fd.read(bytecount), "little")
int_value = sum(value[i] << i * 8 for i in range(bytecount))
for i, mask in enumerate(masks): for i, mask in enumerate(masks):
masked_value = int_value & mask masked_value = value & mask
# Remove the zero padding, and scale it to 8 bits # Remove the zero padding, and scale it to 8 bits
data += o8( data += o8(
int(((masked_value >> mask_offsets[i]) / mask_totals[i]) * 255) int(((masked_value >> mask_offsets[i]) / mask_totals[i]) * 255)