Mercurial > hg > octave-lyh
comparison scripts/plot/gcf.m @ 6257:44c91c5dfe1d
[project @ 2007-01-30 19:16:52 by jwe]
| author | jwe |
|---|---|
| date | Tue, 30 Jan 2007 19:16:55 +0000 |
| parents | |
| children | 76e3d985ae56 |
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| 6256:83949ae13b2c | 6257:44c91c5dfe1d |
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| 1 ## Copyright (C) 2005 John W. Eaton | |
| 2 ## | |
| 3 ## This file is part of Octave. | |
| 4 ## | |
| 5 ## Octave is free software; you can redistribute it and/or modify it | |
| 6 ## under the terms of the GNU General Public License as published by | |
| 7 ## the Free Software Foundation; either version 2, or (at your option) | |
| 8 ## any later version. | |
| 9 ## | |
| 10 ## Octave is distributed in the hope that it will be useful, but | |
| 11 ## WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 12 ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 13 ## General Public License for more details. | |
| 14 ## | |
| 15 ## You should have received a copy of the GNU General Public License | |
| 16 ## along with Octave; see the file COPYING. If not, write to the Free | |
| 17 ## Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA | |
| 18 ## 02110-1301, USA. | |
| 19 | |
| 20 ## -*- texinfo -*- | |
| 21 ## @deftypefn {Function File} {} gcf () | |
| 22 ## Return the current figure handle. | |
| 23 ## @end deftypefn | |
| 24 | |
| 25 ## Author: jwe, Bill Denney | |
| 26 | |
| 27 function h = gcf () | |
| 28 | |
| 29 if (nargin == 0) | |
| 30 h = get (0, "currentfigure"); | |
| 31 if (isempty (h) || h == 0) | |
| 32 ## We only have a root figure object, so create a new figure | |
| 33 ## object and make it the current figure. | |
| 34 h = figure (1); | |
| 35 endif | |
| 36 else | |
| 37 print_usage (); | |
| 38 endif | |
| 39 | |
| 40 endfunction |