Le 21/11/2013 16:44, Igor Stasenko a écrit :
> Except that while adopting cairo surfaces i also has odd transparency
> issues until i realized
> that cairo surface stores pixel data using premultiplied alpha format,e.g.:
> 
> pixelColor = (R*A, G*A, B*A, A)
> 
> while bitblt assumes it is (R,G,B,A)


Should not be related, right?

Hilaire


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Dr. Geo http://drgeo.eu


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