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1 ## Copyright (C) 1996, 1997 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 2, or (at your option) |
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8 ## 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, write to the Free |
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17 ## Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA |
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18 ## 02110-1301, USA. |
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19 |
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20 ## Undocumented internal function. |
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21 |
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22 ## Author: jwe |
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23 |
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24 function [h, varargin] = __plt_get_axis_arg__ (caller, varargin) |
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25 |
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26 if (nargin > 1 && length (varargin) > 0 && ishandle (varargin{1})) |
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27 tmp = varargin{1}; |
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28 obj = get (tmp); |
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29 if (strcmp (obj.type, "axes")) |
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30 h = tmp; |
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31 varargin(1) = []; |
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32 if (isempty (varargin)) |
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33 varargin = {}; |
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34 endif |
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35 else |
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36 error ("%s: expecting first argument to be axes handle", caller); |
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37 endif |
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38 else |
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39 h = gca (); |
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40 varargin = {}; |
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41 endif |
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42 |
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43 endfunction |
