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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} {} gca ()
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21 ## Return a handle to the current axis object. If no axis object
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22 ## exists, create one and return its handle. The handle may then be
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23 ## used to examine or set properties of the axes. For example,
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24 ##
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25 ## @example
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26 ## @group
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27 ## ax = gca ();
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28 ## set (ax, "position", [0.5, 0.5, 0.5, 0.5]);
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29 ## @end group
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30 ## @end example
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31 ##
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32 ## @noindent
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33 ## creates an empty axes object, then changes its location and size in
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34 ## the figure window.
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35 ## @seealso{get, set}
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36 ## @end deftypefn
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37
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38 ## Author: jwe
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39
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40 function h = gca ()
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41
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42 if (nargin == 0)
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43 h = get (gcf (), "currentaxes");
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44 if (isempty (h))
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45 h = axes ();
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46 endif
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47 else
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48 print_usage ();
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49 endif
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50
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51 endfunction
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52
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53 %!test
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54 %! hf = figure ("visible", "off");
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55 %! ax = axes;
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56 %! unwind_protect
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57 %! assert (gca, ax);
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58 %! unwind_protect_cleanup
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59 %! close (hf);
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60 %! end_unwind_protect