[Webkit-unassigned] [Bug 115278] New: Flash of un-animated content

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=115278

           Summary: Flash of un-animated content
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: Macintosh
               URL: http://jsfiddle.net/DFTzk/
        OS/Version: Mac OS X 10.6
            Status: UNCONFIRMED
          Severity: Normal
          Priority: P2
         Component: WebCore Misc.
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: css at kxdx.org


Flash of un-animatd content similar to rdar://problem/12081774 . A demo is at http://jsfiddle.net/DFTzk/ . I found this problem initially using Core Animation. It seems that even though an animation is added and the model value is set within the same transaction, there appears to be slight media timing differences. The workaround is to use kCAFillModeBoth, which ensures that there are no gaps.  The bug was not present in OSX 10.5 Leopard, I believe it was introduced when Core Animation was re-written in C++. Unfortunately CSS transactions do not allow fill mode to be specified, only CSS animations. The choice of component "WebCore Misc." was just a guess.

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