Re: transparency in palette mode ( "P" ) images

Ivan Mincik <[email protected]>
Newsgroups gmane.comp.python.image
Message-ID <[email protected]>
On Tue, Oct 20, 2009 at 9:02 PM, David Kwast <[email protected]> wrote:
> On Tue, Oct 20, 2009 at 4:51 PM, Ivan Mincik <[email protected]> wrote:
>>
>> On Tue, Oct 20, 2009 at 8:33 PM, Laura & Edward Cannon
>> <[email protected]> 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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