[cairo-bugs] [Bug 39551] New: An open path becomes closed if endpoints are aligned vertically

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Tue Jul 26 05:14:30 PDT 2011


           Summary: An open path becomes closed if endpoints are aligned
           Product: cairo
           Version: 1.10.2
          Platform: All
        OS/Version: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: general
        AssignedTo: cworth at cworth.org
        ReportedBy: ndrwrdck at gmail.com
         QAContact: cairo-bugs at cairographics.org

Created an attachment (id=49567)
 --> (https://bugs.freedesktop.org/attachment.cgi?id=49567)
Input file (Inkscape)

See Inkscape bug report: https://bugs.launchpad.net/inkscape/+bug/759154
and discussion: http://thread.gmane.org/gmane.comp.graphics.inkscape.user/13632

The way to reproduce the bug in Inkscape is to draw a U-shaped path in such a
way that its endpoints are vertically aligned (use a snap to grid function).
The end segments of the path should be horizontal.

The path is displayed correctly on the screen but when exported to a pdf or eps
file an additional vertical segment is added connecting the endpoints.

The bug was first observed in Cairo version 1.10.0 and is still present in
newer versions, including 1.10.2 shipped with Ubuntu 11.04.

There are also reports (see the discussion above) that other software using
Cairo is affected as well.

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