[Webkit-unassigned] [Bug 103424] [Qt] A new compositing bug uncovered by r135859

Wed Jan 16 02:22:01 PST 2013

https://bugs.webkit.org/show_bug.cgi?id=103424


--- Comment #3 from Allan Sandfeld Jensen <allan.jensen at digia.com>  2013-01-16 02:23:46 PST ---
A quick investigation shows that cross-fading images is crossplatform code. It does however rely on a PLUS composition to ensure the two images opacity adds up to 100%. It could appear that QPainter does not composition opacity values set by QPainter::setOpacity but only thoses in the alpha values of painted images.

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