InvertColorsEffect does not work correct for alpha values != 255 #113
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reason is that cairo images use premultiplied alpha values
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It seems like we really need to do a big sweep through the code base to examine the places where |
cameronwhite
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Dec 4, 2015
InvertColorsEffect does not work correct for alpha values != 255
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reason is that cairo images use premultiplied alpha values