[Webkit-unassigned] [Bug 22150] Color.cpp gives wrong colors for alpha < 1

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Tue May 12 04:51:46 PDT 2009


------- Comment #10 from ariya.hidayat at trolltech.com  2009-05-12 04:51 PDT -------
I change my position on this. As long as Qt is internally using premultiplied
ARGB32 for doing the alpha-blending, there will be discrepancies with respect
to the precise ARGB32 color that will be retrieved from the pixmap.

As agreed by Simon Hausmann, for the Qt port we will just create a specialized
test result to take this into account.

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