[cairo-bugs] [Bug 22199] New: Scaled font faces cannot be used after another call to select_font_face on quartz

[bugzilla-daemon at freedesktop.org]

http://bugs.freedesktop.org/show_bug.cgi?id=22199

           Summary: Scaled font faces cannot be used after another call to
                    select_font_face on quartz
           Product: cairo
           Version: 1.8.6
          Platform: Other
        OS/Version: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: quartz font backend
        AssignedTo: vladimir at pobox.com
        ReportedBy: marek at ifi.uzh.ch
         QAContact: cairo-bugs at cairographics.org


Created an attachment (id=26634)
 --> (http://bugs.freedesktop.org/attachment.cgi?id=26634)
Demonstration for the bug

cairo_scaled_font_t objects make the program crash (for instance when using
text_extents) if they are used after a different font face has been selected on
the context. 

Retrieving the text_extents method immediately after getting the font via
cairo_get_scaled_font works, so I guess something is free'd to early.

The code I've attached works as expected on X11 with freetype (no crashes), but
fails to run on OS X 10.5.


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