[Webkit-unassigned] [Bug 27187] New: Match Gecko behaviour for canvas path mutation APIs on an empty path

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=27187

           Summary: Match Gecko behaviour for canvas path mutation APIs on
                    an empty path
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: PC
               URL: http://www.blahbleh.com/clock.php
        OS/Version: Mac OS X 10.5
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: HTML DOM
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: oliver at apple.com


Gecko treats lineTo, etc as planting a new point in the canvas path if the
current path is empty.  Failure to do this results in a significant performance
penalty (due to CGs incessant logging) and site breakages like the one linked
in this bug.

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