Hi,

On Thu, 2011-09-29 at 22:09 +0000, Holger Freyther wrote:
> did anyone else see such a thing before? is DirectFB doing anything
> special with decoding PNGs with alpha channels?

Yes, it is, more or less:

palette based PNGs with a transparent channel have a colour key, that
has to be set as source colour key when blitting. You can test for that
using GetImageDescription()

That's from memory, and there might be more which I can't remember right
now.


Cheers,
Andre'


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