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maint: update copyright notices for 2012
author John W. Eaton <jwe@octave.org>
date Mon, 02 Jan 2012 14:25:41 -0500
parents e81ddf9cacd5
children f3d52523cde1
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14138
72c96de7a403 maint: update copyright notices for 2012
John W. Eaton <jwe@octave.org>
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1 ## Copyright (C) 2005-2012 John W. Eaton
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2 ##
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3 ## This file is part of Octave.
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4 ##
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5 ## Octave is free software; you can redistribute it and/or modify it
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6 ## under the terms of the GNU General Public License as published by
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7 ## the Free Software Foundation; either version 3 of the License, or (at
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8 ## your option) any later version.
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9 ##
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10 ## Octave is distributed in the hope that it will be useful, but
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11 ## WITHOUT ANY WARRANTY; without even the implied warranty of
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12 ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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13 ## General Public License for more details.
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14 ##
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15 ## You should have received a copy of the GNU General Public License
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16 ## along with Octave; see the file COPYING. If not, see
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17 ## <http://www.gnu.org/licenses/>.
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18
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19 ## -*- texinfo -*-
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20 ## @deftypefn {Function File} {} isfigure (@var{h})
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21 ## Return true if @var{h} is a graphics handle that contains a figure
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22 ## object.
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23 ## @seealso{ishandle}
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24 ## @end deftypefn
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25
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26 ## Author: jwe
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27
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28 function retval = isfigure (h)
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29
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30 if (nargin == 1)
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31 retval = (ishandle (h) && strcmp (get (h, "type"), "figure"));
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32 else
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33 print_usage ();
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34 endif
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35
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36 endfunction
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37
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38 %!test
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39 %! hf = figure ("visible", "off");
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40 %! unwind_protect
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41 %! assert (isfigure (hf));
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42 %! assert (!isfigure (-hf));
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43 %! unwind_protect_cleanup
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44 %! close (hf);
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45 %! end_unwind_protect