[Webkit-unassigned] [Bug 64992] New: -webkit-transform scale applied incorrectly to iframes

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=64992

           Summary: -webkit-transform scale applied incorrectly to iframes
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: Unspecified
        OS/Version: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: WebCore Misc.
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: enne at google.com
                CC: simon.fraser at apple.com, jamesr at chromium.org


View http://jsbin.com/oqegu6.

This page has two iframes with -webkit-scale applied.  In each case, the iframe has scale applied and (what appears to be) the clip rect has the scale applied a second time.  So, for the 50% case, it results in a half-size iframe, with the subframe contents clipped to a quarter of the iframe size.

There is slightly different behavior in Chromium Linux and Safari Mac.  In Safari, the bottom left of the subframe is visible and in Chromium the upper left of the subframe is visible (and some elements like the search sandbar and the Google doodle are not clipped).

>From http://crbug.com/78542.

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