[Webkit-unassigned] [Bug 43341] New: Canvas is not reset when setting canvas.width

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=43341

           Summary: Canvas is not reset when setting canvas.width
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: PC
               URL: http://codingwithattitude.net/gml/gml-drawer.html
        OS/Version: Windows XP
            Status: UNCONFIRMED
          Severity: Major
          Priority: P2
         Component: Layout and Rendering
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: lvanbass+webkitbugzilla at gmail.com


1) Open this page : http://codingwithattitude.net/gml/gml-drawer.html and draw lines on the black canvas (this uses regular mousedown, mousemove and mouseup events)

2) Click on the "clear" action.

Expected result:
The canvas should be reset by setting its width to the original width

Observed result:
Nothing. Subsequently drawing on the surface adds a black square covering the old drawing under the new drawing.

Platform:
WebKit-r64451 nightly on Windows XP

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