[cairo-bugs] [Bug 58583] New: line_to render badly on drawable if interfered with the gtk events

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=58583

          Priority: medium
            Bug ID: 58583
          Assignee: chris at chris-wilson.co.uk
           Summary: line_to render badly on drawable if interfered with
                    the gtk events
        QA Contact: cairo-bugs at cairographics.org
          Severity: normal
    Classification: Unclassified
                OS: All
          Reporter: genetita at gmail.com
          Hardware: x86-64 (AMD64)
            Status: NEW
           Version: 1.12.2
         Component: xlib backend
           Product: cairo

I've prepared a simple application that receive clicks from the mouse on a
window, store the clicked point and draws lines from all the stored points to
all the rest of points, like a N graph.

It works fine for the first 10, 20 points but when you reach a certain number
of points the render gets floods on certain areas. 
Resize the window sometimes fixes the problem sometimes not.

It happens in Ubuntu Linux 12.04 64 bits and Mac OSX 10.7.5

Libraries used:
gtk+-2.0, version 2.24.11
cairo, version 1.12.2

Please see the source files used here:
git clone https://github.com/genete/my-test-area.git

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