[Webkit-unassigned] [Bug 234221] New: JPEG XL decoder should support CMYK color profiles

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=234221

            Bug ID: 234221
           Summary: JPEG XL decoder should support CMYK color profiles
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Images
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: yoshiaki.jitsukawa at sony.com
                CC: sabouhallawa at apple.com

JPEG XL decoder should support CMYK color profiles, such as https://github.com/libjxl/conformance/tree/master/testcases/cmyk_layers.
However, as of today, it's still unclear how to specify CMYK+alpha pixel format.
(https://github.com/libjxl/libjxl/blob/main/lib/include/jxl/types.h#L93)

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