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line.m: avoid calling "gca ()" when a parent axes is specified as prop/val pair (bug #39483).
author Pantxo Diribarne <pantxo.diribarne@gmail.com>
date Tue, 16 Jul 2013 20:41:20 +0200
parents ddac88d32d6a
children 761d2be77e78
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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72c96de7a403 maint: update copyright notices for 2012
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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} {} line ()
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21 ## @deftypefnx {Function File} {} line (@var{x}, @var{y})
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22 ## @deftypefnx {Function File} {} line (@var{x}, @var{y}, @var{z})
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23 ## @deftypefnx {Function File} {} line (@var{x}, @var{y}, @var{z}, @var{property}, @var{value}, @dots{})
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24 ## Create line object from @var{x} and @var{y} and insert in current
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25 ## axes object. Return a handle (or vector of handles) to the line
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26 ## objects created.
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27 ##
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28 ## Multiple property-value pairs may be specified for the line, but they
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29 ## must appear in pairs.
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30 ## @end deftypefn
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31
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32 ## Author: jwe
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33
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34 function h = line (varargin)
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35
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36 ## make a default line object, and make it the current axes for
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37 ## the current figure.
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4d9862d9fce5 line.m: avoid calling "gca ()" when a parent axes is specified as prop/val pair (bug #39483).
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38 [ax, varargin] = __plt_get_axis_arg__ ("line", varargin{:});
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39 if (isempty (ax))
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40 ax = gca ();
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41 endif
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42
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43 tmp = __line__ (ax, varargin{:});
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44
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45 if (nargout > 0)
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46 h = tmp;
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47 endif
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48
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49 endfunction
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50
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51
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52 %!demo
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53 %! clf
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54 %! x = 0:0.3:10;
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55 %! y1 = cos (x);
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56 %! y2 = sin (x);
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57 %! subplot (3,1,1);
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58 %! args = {'color', 'b', 'marker', 's'};
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59 %! line ([x(:), x(:)], [y1(:), y2(:)], args{:});
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60 %! title ('Test broadcasting for line()');
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61 %! subplot (3,1,2);
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62 %! line (x(:), [y1(:), y2(:)], args{:});
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63 %! subplot (3,1,3);
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64 %! line ([x(:), x(:)+pi/2], y1(:), args{:});
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65 %! xlim ([0 10]);
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66
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67 %!test
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68 %! hf = figure ("visible", "off");
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69 %! unwind_protect
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70 %! h = line;
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71 %! assert (findobj (hf, "type", "line"), h);
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72 %! assert (get (h, "xdata"), [0 1], eps);
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73 %! assert (get (h, "ydata"), [0 1], eps);
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74 %! assert (get (h, "type"), "line");
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75 %! assert (get (h, "color"), get (0, "defaultlinecolor"));
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76 %! assert (get (h, "linestyle"), get (0, "defaultlinelinestyle"));
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77 %! assert (get (h, "linewidth"), get (0, "defaultlinelinewidth"), eps);
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78 %! unwind_protect_cleanup
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79 %! close (hf);
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80 %! end_unwind_protect
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81