Dear Song (I hope I have this the right way round),
Am 20.12.2011, 03:50 Uhr, schrieb 宋立新（凡卓通讯）
<songli...@vanzotec.com>:
Hello All:
I am writing a python tool that covert gif to png so it can be used
for android ROM customization.
My script is after the text, but it doesn’t work for some
gifs,
such as the one at:
ftp://help:help@222.68.182.226/gif2.gif
several frames are wrong(See png_ok and png_wrong)
And it’s not rare: 2 of my 7 gifs got wrong with the
scripts.
While a tool named: “Ulead GIF Animator 5” under
windows can convert it without problem.
To be honest, imagemagick and another linux tool
gif2png
also has the same problem. And Also AcdSee (Under Windows)!
I have no idea about this and I really wish to write a
tool to improve our efficiency.
Could some expert take a look on it?
BR,
Lixin Song
The problem seems to be related to the underlying library used for either
GIF or PNG images as your script runs fine on my machine (Mac OS 10.7).
Frames 2 and 56 look a bit weird but the original image looks like this.
I'm not sure which frames you think don't work.
FWIW your script isn't very Pythonic (the try clause should preferably
only contain one statement with known error conditions) and can be
rewritten thus:
for i in range(im.info['duration']):
try:
im.seek(i)
except EOFError:
break
im.save("test%02d.png" % i)
Charlie
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