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annotate scripts/plot/util/__plt_get_axis_arg__.m @ 19218:d6f1f46e5b8f stable

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Fix double '-P' in print command to printer (bug #41957). * print.m: Expand documentation of latex and latexstandalone options. Change some of the documentation examples to use more useful, modern devices (jpg instead of HP DeskJet 550C). Use isempty to determine in there is a figure to print. Remove extra '-P' from print command going directly to printer.
author Michael Godfrey <michaeldgodfrey@gmail.com>
date Tue, 25 Mar 2014 17:00:41 +0000
parents d63878346099
children 446c46af4b42
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d63878346099 maint: Update copyright notices for release.
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1 ## Copyright (C) 1996-2013 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} {[@var{h}, @var{varargin}, @var{narg}] =} __plt_get_axis_arg__ (@var{caller}, @var{varargin})
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21 ## Undocumented internal function.
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22 ## @end deftypefn
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23
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24 ## Author: jwe
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25
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26 function [h, varargin, narg] = __plt_get_axis_arg__ (caller, varargin)
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27
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28 h = [];
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29 parent = find (strcmpi (varargin, "parent"), 1);
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30
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31 ## Look for a scalar which is a graphics handle but not the
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32 ## Root Figure (0) or an ordinary figure (integer).
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33 if (numel (varargin) > 0 && numel (varargin{1}) == 1
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34 && ishandle (varargin{1}) && varargin{1} != 0 && ! isfigure (varargin{1}))
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35 htmp = varargin{1};
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36 if (! isaxes (htmp))
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37 error ("%s: expecting first argument to be axes handle", caller);
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38 endif
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39 if (! strcmp (get (htmp, "tag"), "legend"))
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40 h = htmp;
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41 varargin(1) = [];
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42 endif
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43 ## Look for "parent"/axis prop/value pair
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44 elseif (numel (varargin) > 1 && ! isempty (parent))
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45 if (parent < numel (varargin) && ishandle (varargin{parent+1}))
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46 htmp = varargin{parent+1};
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47 if (isaxes (htmp) && ! strcmp (get (htmp, "tag"), "legend"))
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48 h = htmp;
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49 varargin(parent:parent+1) = [];
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50 else
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51 ## 'parent' property for some other type like hggroup
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52 h = [ancestor(htmp, "axes"), htmp];
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53 endif
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54 else
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55 error ("%s: expecting parent value to be axes handle", caller);
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56 endif
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57 endif
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58
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59 narg = length (varargin);
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60
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61 endfunction
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64 ## No test needed for internal helper function.
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65 %!assert (1)
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66