[Webkit-unassigned] [Bug 126710] New: Images can be painted with tiny aspect ratio differences

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=126710

           Summary: Images can be painted with tiny aspect ratio
                    differences
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: Unspecified
        OS/Version: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Images
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: thorton at apple.com
                CC: mitz at webkit.org, sam at webkit.org,
                    simon.fraser at apple.com


At paint time, the aspect ratio of the source and destination rects can be slightly different when the image is scaled down (when one but not both of width or height attributes are set). This happens because the image size is scaled and then rounded to int for the destination rect.

This means that images are getting squished a *tiny* amount when scaled down, and also caused http://trac.webkit.org/changeset/161568.

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