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Don't requantize 'P' images

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wiredfool 2017-02-23 07:37:14 -08:00
parent 26e145c8a3
commit b315b6ecf3
1 changed files with 5 additions and 5 deletions
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10
PIL/GifImagePlugin.py
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@ -295,6 +295,7 @@ RAWMODE = {
def _normalize_mode(im, initial_call=False): def _normalize_mode(im, initial_call=False):
if im.mode in RAWMODE: if im.mode in RAWMODE:
im.load()
return im return im
if Image.getmodebase(im.mode) == "RGB": if Image.getmodebase(im.mode) == "RGB":
if initial_call: if initial_call:
@ -326,16 +327,15 @@ def _write_single_frame(im, fp, palette):
fp.write(b"\0") # end of image data fp.write(b"\0") # end of image data
def _write_multiple_frames(im, fp, palette): def _write_multiple_frames(im, fp, palette):
if "duration" in im.encoderinfo:
duration = im.encoderinfo["duration"] duration = im.encoderinfo.get("duration", None)
else:
duration = None
im_frames = [] im_frames = []
frame_count = 0 frame_count = 0
for imSequence in [im]+im.encoderinfo.get("append_images", []): for imSequence in [im]+im.encoderinfo.get("append_images", []):
for im_frame in ImageSequence.Iterator(imSequence): for im_frame in ImageSequence.Iterator(imSequence):
im_frame = _normalize_mode(im_frame) # a copy is required here since seek can still mutate the image
im_frame = _normalize_mode(im_frame.copy())
im_frame = _normalize_palette(im_frame, palette, im.encoderinfo) im_frame = _normalize_palette(im_frame, palette, im.encoderinfo)
encoderinfo = im.encoderinfo.copy() encoderinfo = im.encoderinfo.copy()