[Webkit-unassigned] [Bug 107560] New: [Qt] RGB -> BGR is wrong on big endian

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=107560

           Summary: [Qt] RGB -> BGR is wrong on big endian
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: Unspecified
        OS/Version: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Images
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: allan.jensen at digia.com
                CC: zherczeg at webkit.org, noam at webkit.org


In ImageBufferQt we do some conversion from RGB to BGR. While the code doesn't say why, the reason it is needed is because Qt uses ARGB and JavaScript canvas expect RGBA, and storing ABGR as a 32bit vector happens to produce a RGBA byte-order on a little endian machine. This is ofcourse wrong on a bit endian machine.

The conversion should be fixed, and the code and its reason made clearer.

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