On Tuesday 20 October 2009, you wrote: > The problem seems to be that you set transparency=0 in your save. > Leave it out ( im.save("out.png") ) and you should be fine.
Many thanks for reply, but I think You are not right. If I save without 'transparency=0' I will loose my transparent background at all - it will be black. With 'transparency=0' I loose only transparency of my drawing, backround is OK. My test image is here: http://gista.sk/dl/test.png > If you just need to change the name try shutil.copy in the standard library. > > On Mon, Oct 19, 2009 at 2:05 PM, Ivan Mincik <ivan.min...@gmail.com> wrote: > > Dear list, > > I have PNG image in palette mode, with 256 color palette. Every color > > has different level of transparency. > > For example: > > Color Table (RGB with 256 entries) > > 0: 0,0,0,0 > > 1: 238,238,238,154 > > 2: 253,253,109,154 > > 3: 0,0,0,2 > > 4: 0,0,0,4 > > 5: 0,0,0,8 > > 6: 0,0,0,6 > > 7: 237,237,237,154 > > 8: 0,0,0,14 > > 9: 35,35,15,153 > > 10: 1,1,0,138 > > > > I am trying just to open and save this image using PIL. > > #!/usr/bin/python > > import Image > > > > im = Image.open('test.png') > > im.save('out.png', transparency=0 ) > > > > After running this code, the resulting image is loosing transparency > > information for each color and it is set to 255. > > Color Table (RGB with 256 entries) > > 0: 0,0,0,0 > > 1: 238,238,238,255 > > 2: 253,253,109,255 > > 3: 0,0,0,255 > > 4: 0,0,0,255 > > 5: 0,0,0,255 > > 6: 0,0,0,255 > > 7: 237,237,237,255 > > 8: 0,0,0,255 > > 9: 35,35,15,255 > > 10: 1,1,0,255 > > > > Is there any way how to save the image with exactly same palette as > > original image ? > > > > For anybody wanting to look at this problem, You can download my test > > image here: > > http://gista.sk/dl/test.png > > > > Thanks, > > Ivan > > _______________________________________________ > > Image-SIG maillist - image-...@python.org > > http://mail.python.org/mailman/listinfo/image-sig > > > -- Ivan Mincik Gista s.r.o.
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