[cairo-bugs] [Bug 26010] New: cairo_line_to optimizes away path segments

[bugzilla-daemon at freedesktop.org]

http://bugs.freedesktop.org/show_bug.cgi?id=26010

           Summary: cairo_line_to optimizes away path segments
           Product: cairo
           Version: 1.9.4
          Platform: All
        OS/Version: All
            Status: NEW
          Severity: critical
          Priority: high
         Component: general
        AssignedTo: cworth at cworth.org
        ReportedBy: alois at astro.ch
         QAContact: cairo-bugs at cairographics.org


If I draw (with cairo_line_to() calls) a path which contains segments which
are draw twice, these segments are not rendered when the path is stroked.

Example:
cairo_move_to(1,1)
cairo_line_to(1,2);
cairo_line_to(2,3);
cairo_line_to(1,2);
cairo_stroke();

The same happens when I use rel_line_to().

This bug did not exist in cairo 1.8.8

Because of improved PDF handling I need to switch to a newer cairo version
than 1.8.8 and wouldbe very happy if this bug could be checked and fixed.

Thank you


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