[Webkit-unassigned] [Bug 104843] New: Have kFixedPointDenominator be constant across ports

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=104843

           Summary: Have kFixedPointDenominator be constant across ports
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: Unspecified
        OS/Version: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Layout and Rendering
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: eae at chromium.org
            Blocks: 104788


Currently the kFixedPointDenominator constant is set to either 64 or 1 depending on the SUBPIXEL_LAYOUT flag. As this constant is used to limit the range of supported values this results in inconsistencies across ports.

By changing kFixedPointDenominator to always be 64 and introducing a new constant (kEffectiveFixedPointDenominator) that varies we can ensure that the same range of values are supported across ports regardless of the SUBPIXEL_LAYOUT flag.

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