[Webkit-unassigned] [Bug 93358] New: inline-block span positioned "relative" inside foreignObject are not scaled correctly

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Tue Aug 7 05:33:28 PDT 2012


           Summary: inline-block span positioned "relative" inside
                    foreignObject are not scaled correctly
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: All
        OS/Version: All
            Status: UNCONFIRMED
          Severity: Normal
          Priority: P2
         Component: Layout and Rendering
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: fred.wang at free.fr

Created an attachment (id=156918)
 --> (https://bugs.webkit.org/attachment.cgi?id=156918&action=review)

A MathJax user reported that the HTML+CSS code generated by MathJax to display mathematical formulas is not rendered correctly in Webkit when scaled inside SVG:


The code generated by MathJax contains many <span>'s and it's hard to say what the problem is. However, I think I have isolated one issue with <span style="display: inline-block; position: relative;">, which are used everywhere in the generated code.

In the attached testcase, such a span is used to draw a 50x50 red rectangle. I use SVG to scale it by a factor of 2. In Firefox, it thus fits in the 100x100 black frame. However in Webkit this rectangle is still rendered with a size of 50x50. Note that if you use "position: static;", it is correctly scaled.

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