On Tue, Oct 20, 2009 at 9:02 PM, David Kwast <david.kwast@[...].com>  wrote:
>  On Tue, Oct 20, 2009 at 4:51 PM, Ivan Mincik <ivan.mincik@[...].sk> wrote:
> >
> > On Tue, Oct 20, 2009 at 8:33 PM, Laura & Edward Cannon
> > <cannon.el@[...].com> wrote:
> > > Hm.. you seem to be right. One thing you might do is im =
> > > Image.open("test.png").convert("RGBA") which seems to solve the
> > > transparency problem, at the expense of a slightly larger image file.
> >
> > No, even if using convert("RGBA") I get incorrect result :(
> 
>  Maybe the problem is in the decoder. Can't you use a PNG in RGBA mode
>  instead of P mode?

No, I need to process images in P mode and have resulting image also in P mode.

 If it is a bug, you have to do a workaround before or
>  after you open the PNG with PIL.

I do not see possibility of any workaround. Converting to RGBA does not help.
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