[Webkit-unassigned] [Bug 110550] New: font size in relative units not handled correctly in canvas contexts

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=110550

           Summary: font size in relative units not handled correctly in
                    canvas contexts
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: Unspecified
               URL: http://people.mozilla.org/~jdaggett/tests/cascade-canv
                    astext.html
        OS/Version: Unspecified
            Status: UNCONFIRMED
          Severity: Normal
          Priority: P2
         Component: Canvas
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: jdaggett at mozilla.com
                CC: mitz at webkit.org, simon.fraser at apple.com


Created an attachment (id=189673)
 --> (https://bugs.webkit.org/attachment.cgi?id=189673&action=review)
screenshot, testcase in Webkit Nightly

Webkit does not appear to be following the spec when parsing font property values in canvas contexts.

Steps:

- Open URL

Expected Result: all 8 tests should render identically, only the color should vary
Result: altering the font-size of the canvas elements or other elements in the parent chain does not affect relative font sizes as expected.

Note: in Safari 6.0.2 the testcase displays corrupted text but Webkit nightly/Chrome dev both show the text but at incorrect size.

Tested in Webkit Nightly r143614, Chrome 26.0.1410.10 dev (OSX 10.8.2, Retina MacBook Pro)

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