[Webkit-unassigned] [Bug 50682] New: feColorMatrix calculation for type matrix does not incorporate channel offsets

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=50682

           Summary: feColorMatrix calculation for type matrix does not
                    incorporate channel offsets
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: All
        OS/Version: All
            Status: UNCONFIRMED
          Severity: Minor
          Priority: P3
         Component: SVG
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: psenster at google.com
                CC: zimmermann at kde.org


In FEColorMatrix.cpp, the 'offset' matrix values (the fifth column in the matrix) are not used to calculate the result of a color transformation. The correct matrix multiplication is stated here: http://www.w3.org/TR/SVG/filters.html#feColorMatrixElement.

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