[Webkit-unassigned] [Bug 27258] New: "-webkit-transform: scale" draws seams between tiled images

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=27258

           Summary: "-webkit-transform: scale" draws seams between tiled
                    images
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: Macintosh Intel
               URL: http://www.maryanovsky.com/sasha/scaletest/
        OS/Version: Mac OS X 10.5
            Status: UNCONFIRMED
          Severity: Normal
          Priority: P2
         Component: Layout and Rendering
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: msasha at gmail.com


Tiled images with no space between them that are scaled using "-moz-transform:
scale" will draw "seams" between the images. In the linked test page, 9
solid-color images are placed in a 3x3 grid with no space between them. After a
few seconds, they will be scaled to twice their size and back. While they are
scaled, you can see white (or whatever the body background color is) lines
between the images.

This issue, for example, prevents "transform: scale" from being used in
applications like Google Maps, to implement continuous zoom.

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