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Extracted core of getdata into _write_frame_data

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This commit is contained in:
Andrew Murray 2017-02-18 19:09:10 +11:00
parent af57ff8d45
commit a43295c3dd
1 changed files with 15 additions and 14 deletions
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29
PIL/GifImagePlugin.py
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@ -391,8 +391,7 @@ def _save(im, fp, filename, save_all=False):
im_frame = im_frame.crop(frame_data['bbox'])
offset = frame_data['bbox'][:2]
for s in getdata(im_frame, offset, **frame_data['encoderinfo']):
fp.write(s)
_write_frame_data(fp, im_frame, offset, frame_data['encoderinfo'])
if not save_all:
for s in getheader(im_out, palette, im.encoderinfo)[0]:
fp.write(s)
@ -714,6 +713,19 @@ def getheader(im, palette=None, info=None):
header.append(_get_header_palette(palette_bytes))
return header, used_palette_colors
def _write_frame_data(fp, im_frame, offset, params):
try:
im_frame.encoderinfo = params
# local image header
_get_local_header(fp, im_frame, offset, 0)
ImageFile._save(im_frame, fp, [("gif", (0, 0)+im_frame.size, 0,
RAWMODE[im_frame.mode])])
fp.write(b"\0") # end of image data
finally:
del im_frame.encoderinfo
def getdata(im, offset=(0, 0), **params):
"""Return a list of strings representing this image.
@ -730,18 +742,7 @@ def getdata(im, offset=(0, 0), **params):
fp = Collector()
try:
im.encoderinfo = params
# local image header
_get_local_header(fp, im, offset, 0)
ImageFile._save(im, fp, [("gif", (0, 0)+im.size, 0, RAWMODE[im.mode])])
fp.write(b"\0") # end of image data
finally:
del im.encoderinfo
_write_frame_data(fp, im, offset, params)
return fp.data