[cairo-bugs] [Bug 10531] New: cairo nquartz backend floating point precision issues

[bugzilla-daemon at freedesktop.org]

http://bugs.freedesktop.org/show_bug.cgi?id=10531

           Summary: cairo nquartz backend floating point precision issues
           Product: cairo
           Version: 1.4.3
          Platform: Other
        OS/Version: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: quartz backend
        AssignedTo: vladimir at pobox.com
        ReportedBy: Brian.Ewins at gmail.com
         QAContact: cairo-bugs at cairographics.org


Just tracking downstream bug/patch:
https://bugzilla.mozilla.org/show_bug.cgi?id=374006

"...if the string is long enough this [rounding] error actually
changes the subpixel rendering of the glyphs at the end of the string."

I've tested Roc's patch, it makes zero difference to any of cairo's test cases,
but we don't have any long enough lines of text.

Its a straightforward fix, we should push this for 1.4.4.


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