annotate scripts/plot/util/isfigure.m @ 19069:afab3a2f57e7

doc: Update docstring for exist(). * variables.cc (Fexist): Update documentation string.
author Rik <rik@octave.org>
date Sun, 29 Jun 2014 12:58:22 -0700
parents d63878346099
children 4197fc428c7d
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d63878346099 maint: Update copyright notices for release.
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1 ## Copyright (C) 2005-2013 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 figure graphics handle and false otherwise.
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22 ##
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23 ## If @var{h} is a matrix then return a logical array which is true where
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24 ## the elements of @var{h} are figure graphics handles and false where
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25 ## they are not.
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26 ## @seealso{isaxes, ishandle}
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27 ## @end deftypefn
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28
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29 ## Author: jwe
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30
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31 function retval = isfigure (h)
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32
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33 if (nargin != 1)
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34 print_usage ();
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35 endif
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36
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37 hlist = ishandle (h);
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38 if (any (hlist))
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39 retval(hlist) = strcmp (get (h(hlist), "type"), "figure");
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40 else
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41 retval = hlist;
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42 endif
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43
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44 endfunction
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47 %!test
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48 %! hf = figure ("visible", "off");
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49 %! unwind_protect
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50 %! assert (isfigure (hf));
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51 %! assert (! isfigure (-hf));
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52 %! unwind_protect_cleanup
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53 %! close (hf);
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54 %! end_unwind_protect
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