[Webkit-unassigned] [Bug 125836] New: [SVG] Fix CSS transform handling when zoomed

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=125836

           Summary: [SVG] Fix CSS transform handling when zoomed
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: Unspecified
        OS/Version: Unspecified
            Status: NEW
          Keywords: BlinkMergeCandidate
          Severity: Normal
          Priority: P2
         Component: SVG
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: rniwa at webkit.org
                CC: zimmermann at kde.org, simon.fraser at apple.com,
                    dino at apple.com, thorton at apple.com


Consider merging https://chromium.googlesource.com/chromium/blink/+/12e43b6d16005ed322d97e77e2ec72b0b9d40f9a

CSS takes the page zoom factor into account for all computed length
values, including transform translation components.

OTOH, SVG applies the zoom factor globally (at the SVG root level) -
so when using CSS transforms in SVG, the translation components are
scaled twice.

This CL adjusts CSS transforms when used in SVG to account for
the unexpected translation scale.

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