[Webkit-unassigned] [Bug 83812] New: skia: use clipstack instead of (deprecated) getTotalClip

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=83812

           Summary: skia: use clipstack instead of (deprecated)
                    getTotalClip
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: All
        OS/Version: All
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Forms
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: reed at google.com
                CC: caryclark at google.com, bsalomon at google.com


The current use of getTotalClip in BitLockerSkia.cpp is to transfer the skia clip into a CGContext. However, skia (and webkit) now use antialiased clips at times, and these are not represent in the SkRegion that is returned by getTotalClip.

The SkClipStack stored by the canvas contains the actual paths used to construct the clip, and with it we should be able to make CGContext calls to reproduce the clip, including its soft-edges.

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