[Octave-bug-tracker] [bug #31100] patch edges always black with fltk backend

[John W. Eaton]

URL:
  <http://savannah.gnu.org/bugs/?31100>

                 Summary: patch edges always black with fltk backend
                 Project: GNU Octave
            Submitted by: jwe
            Submitted on: Wed 22 Sep 2010 08:30:28 AM GMT
                Category: Libraries
                Severity: 3 - Normal
                Priority: 5 - Normal
              Item Group: Incorrect Result
                  Status: None
             Assigned to: None
         Originator Name: jwe
        Originator Email: 
             Open/Closed: Open
         Discussion Lock: Any
                 Release: dev
        Operating System: GNU/Linux

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Details:

I noticed that contour lines are not appearing in color with the fltk backend
while they do appear in color with the gnuplot backend.  I think I've tracked
it down to a problem with the patch function.  For example:

  patch ([0.1, 0.1, 0.9, 0.9, 0.1], [0.1, 0.9, 0.9, 0.1, 0.1], "facecolor",
"none", "edgecolor", "flat", "linewidth", 10, "cdata", 20);

gives a blue box with the gnuplot backend but a black box with the fltk
backend.  I made the linewidth large simply to make it easier to distinguish
the color of the line.




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