[Webkit-unassigned] [Bug 240137] Several tests fail because CFImageSourceCreateImageAtIndex premultiplies alpha with PNG files for iOS family devices

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Thu May 12 14:50:30 PDT 2022


https://bugs.webkit.org/show_bug.cgi?id=240137

Said Abou-Hallawa <sabouhallawa at apple.com> changed:

           What    |Removed                     |Added
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                 CC|                            |sabouhallawa at apple.com

--- Comment #6 from Said Abou-Hallawa <sabouhallawa at apple.com> ---
-- What is the impact of this change? Will it fix displaying some PNG images? Can you attach an image which shows the problem?

-- You said above that there are several tests which fail because we are not using kCGImageSourceCreateUnpremultipliedPNG. What are these tests? And why there is no change in the TestExpectation then?

-- Is there a perf impact because of this change?

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