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Only call _get_used_palette_colors when necessary

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This commit is contained in:
Andrew Murray 2017-01-26 15:27:43 +11:00
parent bf0b4cf279
commit 4df1305073
1 changed files with 6 additions and 6 deletions
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12
PIL/GifImagePlugin.py
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@ -555,12 +555,12 @@ def _get_optimize(im, info):
# * If we have a 'large' image, the palette is in the noise.
# create the new palette if not every color is used
used_palette_colors = _get_used_palette_colors(im)
if _FORCE_OPTIMIZE or im.mode == 'L' or \
(len(used_palette_colors) <= 128 and
max(used_palette_colors) > len(used_palette_colors) and
im.width * im.height < 512 * 512):
return used_palette_colors
optimise = _FORCE_OPTIMIZE or im.mode == 'L'
if optimise or im.width * im.height < 512 * 512:
used_palette_colors = _get_used_palette_colors(im)
if optimise or (len(used_palette_colors) <= 128 and
max(used_palette_colors) > len(used_palette_colors)):
return used_palette_colors
def _get_used_palette_colors(im):
used_palette_colors = []