[Webkit-unassigned] [Bug 114579] New: Artifacts when scaling non-scaling-strokes

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=114579

           Summary: Artifacts when scaling non-scaling-strokes
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: PC
        OS/Version: All
            Status: UNCONFIRMED
          Severity: Normal
          Priority: P2
         Component: SVG
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: stuart at testtrack4.com
                CC: zimmermann at kde.org


Created an attachment (id=197975)
 --> (https://bugs.webkit.org/attachment.cgi?id=197975&action=review)
Test case

When a non-scaling stroke is in a scaling animation, it produces artifacts. Found while writing the test case for Bug 114578.

See attached test case. Observed on Windows 7 @ Chrome stable, Windows 8 @ Chrome dev and Arch Linux @ Chromium 26.0.1410.63. Not observed on Android 4.2.1 @ Chrome latest.

(The lines in the test case aren't perfectly in sync: the spline animating the "desired behavior" mockup was written via trial and error rather than calculation. The end result is what's important here.)

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