[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 5 14:20:16 PDT 2022


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

--- Comment #3 from Alexey Proskuryakov <ap at webkit.org> ---
Comment on attachment 458910
  --> https://bugs.webkit.org/attachment.cgi?id=458910
Patch

View in context: https://bugs.webkit.org/attachment.cgi?id=458910&action=review

> Source/WebCore/platform/graphics/cg/ImageDecoderCG.cpp:79
> +#if HAVE(IMAGE_IO_CREATE_UNPREMULTIPLIED_PNG) && USE(APPLE_INTERNAL_SDK)

USE(APPLE_INTERNAL_SDK) seems wrong here, and should probably be omitted? We even redeclare the symbol for open source builds (and will need to add .tbd, but that can be done later).

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