[Webkit-unassigned] [Bug 46784] New: Animated GIF visual glitches/noise under "do not dispose" method

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=46784

           Summary: Animated GIF visual glitches/noise under "do not
                    dispose" method
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: PC
        OS/Version: Windows 7
            Status: UNCONFIRMED
          Severity: Normal
          Priority: P2
         Component: Images
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: bugs at dissociate.net
                CC: bugs at dissociate.net


Created an attachment (id=69161)
 --> (https://bugs.webkit.org/attachment.cgi?id=69161)
GIF showing visual noise bug

Animated GIFs that use the "do not dispose" method are showing glitches/visual noise that is not supposed to be there.

See attached "OldProgress.gif" for example.  When tweaked to "unspecified" disposal method (NewProgress.gif) the issue is much less severe.

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