python-pillow/Pillow
1
1
Fork 0
mirror of https://github.com/python-pillow/Pillow.git synced 2025-02-05 06:00:58 +03:00
Code Issues Packages Projects Releases Wiki Activity

minor addition

Browse Source
This commit is contained in:
David Schmidt 2013-05-23 14:31:48 +02:00
parent a466b3e099
commit 5cd1b9f01e
1 changed files with 3 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
PIL/GifImagePlugin.py
View File

@ -355,7 +355,7 @@ def getheader(im, palette=None, info=None):
# create the global palette # create the global palette
if im.mode == "P": if im.mode == "P":
# colour palette # colour palette
if countUsedPaletteColors > 0: if countUsedPaletteColors > 0 and countUsedPaletteColors < 256:
paletteBytes = b""; paletteBytes = b"";
# pick only the used colors from the palette # pick only the used colors from the palette
for i in usedPaletteColors: for i in usedPaletteColors:
@ -364,7 +364,7 @@ def getheader(im, palette=None, info=None):
paletteBytes = im.im.getpalette("RGB")[:768] paletteBytes = im.im.getpalette("RGB")[:768]
else: else:
# greyscale # greyscale
if countUsedPaletteColors > 0: if countUsedPaletteColors > 0 and countUsedPaletteColors < 256:
paletteBytes = b""; paletteBytes = b"";
# add only the used grayscales to the palette # add only the used grayscales to the palette
for i in usedPaletteColors: for i in usedPaletteColors:
@ -391,7 +391,7 @@ def getheader(im, palette=None, info=None):
# end of screen descriptor header # end of screen descriptor header
# add the missing amount of bytes # add the missing amount of bytes
# the palette can only be 2<<n in size # the palette has to be 2<<n in size
actualTargetSizeDiff = (2<<colorTableSize) - len(paletteBytes)//3 actualTargetSizeDiff = (2<<colorTableSize) - len(paletteBytes)//3
if actualTargetSizeDiff > 0: if actualTargetSizeDiff > 0:
paletteBytes += o8(0) * 3 * actualTargetSizeDiff paletteBytes += o8(0) * 3 * actualTargetSizeDiff