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Regroup methods, add docstring comments

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This commit is contained in:
wiredfool 2017-02-25 02:29:54 -08:00
parent 46287eb62a
commit 770c423181
1 changed files with 22 additions and 17 deletions
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39
PIL/GifImagePlugin.py
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@ -533,9 +533,6 @@ def _save_netpbm(im, fp, filename):
pass pass
# --------------------------------------------------------------------
# GIF utilities
# Force optimization so that we can test performance against # Force optimization so that we can test performance against
# cases where it took lots of memory and time previously. # cases where it took lots of memory and time previously.
_FORCE_OPTIMIZE = False _FORCE_OPTIMIZE = False
@ -678,6 +675,23 @@ def _get_global_header(im, info):
_get_header_palette(palette_bytes) _get_header_palette(palette_bytes)
] ]
def _write_frame_data(fp, im_frame, offset, params):
try:
im_frame.encoderinfo = params
# local image header
_write_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
# --------------------------------------------------------------------
# Legacy GIF utilities
def getheader(im, palette=None, info=[]): def getheader(im, palette=None, info=[]):
""" """
Legacy Method to get Gif data from image. Legacy Method to get Gif data from image.
@ -702,20 +716,6 @@ def getheader(im, palette=None, info=[]):
return header, used_palette_colors return header, used_palette_colors
def _write_frame_data(fp, im_frame, offset, params):
try:
im_frame.encoderinfo = params
# local image header
_write_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
# To specify duration, add the time in milliseconds to getdata(), # To specify duration, add the time in milliseconds to getdata(),
# e.g. getdata(im_frame, duration=1000) # e.g. getdata(im_frame, duration=1000)
def getdata(im, offset=(0, 0), **params): def getdata(im, offset=(0, 0), **params):
@ -726,6 +726,11 @@ def getdata(im, offset=(0, 0), **params):
The first string is a local image header, the rest contains The first string is a local image header, the rest contains
encoded image data. encoded image data.
:param im: Image object
:param offset: Tuple of (x, y) pixels. Defaults to (0,0)
:param **params: E.g. duration or other encoder info parameters
:returns: List of Bytes containing gif encoded frame data
""" """
class Collector(object): class Collector(object):
data = [] data = []