[Octave-bug-tracker] [bug #40212] Default graphics properties are not supported for rectangle objects

[Rik]

URL:
  <http://savannah.gnu.org/bugs/?40212>

                 Summary: Default graphics properties are not supported for
rectangle objects
                 Project: GNU Octave
            Submitted by: rik5
            Submitted on: Tue 08 Oct 2013 06:00:17 PM PDT
                Category: Plotting
                Severity: 2 - Minor
                Priority: 5 - Normal
              Item Group: Matlab Compatibility
                  Status: None
             Assigned to: None
         Originator Name: 
        Originator Email: 
             Open/Closed: Open
         Discussion Lock: Any
                 Release: dev
        Operating System: Any

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Details:

This is a small incompatibility.  Matlab implements rectangles as a base
graphic object, akin to a line or patch object.  In Octave, we synthesize a
rectangle from an hggroup with a patch child.  Because of this, there is no
way to set default properties as shown below.


set (0, 'DefaultRectangleFaceColor', 'r')
error: invalid default property specification


Perhaps the property list could be changed in graphics.in.h.  Otherwise, maybe
a whole new low-level graphics object is required for rectangles.





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