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[Octave-bug-tracker] [bug #39321] legend listener interferes with print(


From: Ben Abbott
Subject: [Octave-bug-tracker] [bug #39321] legend listener interferes with print()
Date: Sat, 22 Jun 2013 06:38:26 +0000
User-agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_7_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/27.0.1453.116 Safari/537.36

URL:
  <http://savannah.gnu.org/bugs/?39321>

                 Summary: legend listener interferes with print()
                 Project: GNU Octave
            Submitted by: bpabbott
            Submitted on: Sat 22 Jun 2013 02:38:24 AM EDT
                Category: Plotting
                Severity: 3 - Normal
                Priority: 5 - Normal
              Item Group: Incorrect Result
                  Status: None
             Assigned to: bpabbott
         Originator Name: Ben Abbott
        Originator Email: 
             Open/Closed: Open
         Discussion Lock: Any
                 Release: dev
        Operating System: Any

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Details:

The print() command temporarily modifies all fontsizes.  When a legend's
"fontsize" property is modified a new legend is constructed using the
requested fontsize.  As a result the old objects are deleted.  When print()
attempts to restore the old fontsizes an error results.


 plot (rand (3))
print test.png
legend blue green red
print test-legend.png
error: set: invalid handle (= -16.7054)


A proper fix is to recycle the old objects, or filter out the text strings for
legends objects and allow the fontsize property for the legend to do all the
work.




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  <http://savannah.gnu.org/bugs/?39321>

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