python-pillow/Pillow
1
1
Fork 0
mirror of https://github.com/python-pillow/Pillow.git synced 2025-04-27 20:43:43 +03:00
Code Issues Packages Projects Releases Wiki Activity

Merge pull request #180 from d-schmidt/master

Browse Source 
create a palette before converting transparent L-mode to RGBA
This commit is contained in:
Alex Clark ☺ 2013-04-09 09:56:41 -07:00
commit 1aacded655
1 changed files with 10 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
PIL/Image.py
View File

@ -713,6 +713,16 @@ class Image:
if dither is None: if dither is None:
dither = FLOYDSTEINBERG dither = FLOYDSTEINBERG
# fake a P-mode image, otherwise the transparency will get lost as there is
# currently no other way to convert transparency into an RGBA image
if self.mode == "L" and mode == "RGBA" and "transparency" in self.info:
from PIL import ImagePalette
self.mode = "P"
bytePalette = bytes([i//3 for i in range(768)])
self.palette = ImagePalette.raw("RGB", bytePalette)
self.palette.dirty = 1
self.load()
try: try:
im = self.im.convert(mode, dither) im = self.im.convert(mode, dither)
except ValueError: except ValueError: