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annotate scripts/plot/util/copyobj.m @ 18570:5ec4b7006b82

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copyobj.m: Fix bug when restoring axes to a figure that had no axes to begin with (bug #41849). * copyobj.m: Get axes using get (cf, "currentaxes") rather than gca to avoid creating axes when they do not exist. When restoring axes at the end of function, only do so if ca is not empty.
author Rik <rik@octave.org>
date Thu, 13 Mar 2014 13:58:35 -0700
parents 9c8321ea6f58
children ee125c82e01e
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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1 ## Copyright (C) 2012-2013 pdiribarne
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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 ## This program is free software; you can redistribute it and/or modify
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6 ## it 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
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8 ## (at 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,
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11 ## but WITHOUT ANY WARRANTY; without even the implied warranty of
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12 ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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13 ## GNU 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{hnew} =} copyobj (@var{horig})
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21 ## @deftypefnx {Function File} {@var{hnew} =} copyobj (@var{horig}, @var{hparent})
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22 ## Construct a copy of the graphic object associated with handle @var{horig}
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23 ## and return a handle @var{hnew} to the new object.
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24 ##
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25 ## If a parent handle @var{hparent} (root, figure, axes, or hggroup) is
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26 ## specified, the copied object will be created as a child of @var{hparent}.
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27 ## @seealso{struct2hdl, hdl2struct, findobj}
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28 ## @end deftypefn
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29
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30 ## Author: pdiribarne <pdiribarne@new-host.home>
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31 ## Created: 2012-04-01
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32
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33 function hnew = copyobj (horig, hparent = 0)
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34
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35 partypes = {"root", "figure", "axes", "hggroup"};
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36 othertypes = {"line", "patch", "surface", "image", "text"};
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37 alltypes = [partypes othertypes];
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38
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39 if (! ishandle (horig) || nargin > 2)
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40 print_usage ();
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41 elseif (! ishandle (hparent))
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42 hparent = figure (fix (hparent));
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43 elseif (! any (strcmpi (get (hparent).type, partypes)))
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44 print_usage ();
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45 endif
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46
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47 ## current figure and axes
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48 cf = gcf ();
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49 ca = get (cf, "currentaxes");
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50
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51 ## compatibility of input handles
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52 kididx = find (strcmp (alltypes, get (horig).type));
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53 paridx = find (strcmp (alltypes, get (hparent).type));
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54
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55 if (kididx <= paridx)
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56 error ("copyobj: %s object can't be children to %s.",
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57 alltypes{kididx}, alltypes{paridx});
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58 elseif (nargin == 1)
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59 str = hdl2struct (horig);
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60 hnew = struct2hdl (str);
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61 else
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62 str = hdl2struct (horig);
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63 hnew = struct2hdl (str, hparent);
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64 endif
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65
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66 ## reset current figure (and eventually axes) to original
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67 set (0, "currentfigure", cf);
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68 if (get (hnew, "parent") == cf && ! isempty (ca))
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69 set (cf, "currentaxes", ca)
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70 endif
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71
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72 endfunction
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73
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74
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75 ## Absurd number of drawnow() function calls in demos is due to problem
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76 ## with FLTK backend which is not respecting the set ('position') call.
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77
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78 %!demo
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79 %! hobj = figure ('name', 'Original', 'numbertitle', 'off');
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80 %! hold on;
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81 %! x = 1:10;
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82 %! y = x.^2;
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83 %! dy = 2 * (.2 * x);
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84 %! y2 = (x - 3).^2;
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85 %! hg = errorbar (x, y, dy,'#~');
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86 %! set (hg, 'marker', '^', 'markerfacecolor', rand (1,3));
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87 %! plot (x, y2, 'ok-');
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88 %! legend ('errorbar', 'line');
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89 %! drawnow ();
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90 %! pos = get (hobj, 'position');
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91 %! scrn = get (0, 'screensize');
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92 %! set (hobj, 'position', [scrn(3)/2-pos(3)-10, scrn(4)/2-pos(4)/2, pos(3:4)]);
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93 %! drawnow ();
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94 %! hnew = copyobj (hobj);
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95 %! drawnow ();
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96 %! set (hnew, 'name', 'Copyobj');
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97 %! drawnow ();
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98 %! set (hnew, 'position', [scrn(3)/2, scrn(4)/2-pos(4)/2, pos(3:4)]);
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99 %! drawnow ();
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100
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101 %!demo
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102 %! hobj = figure ('name', 'Original', 'numbertitle', 'off');
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103 %! subplot (2,2,1);
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104 %! hold on;
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105 %! contourf (rand (10, 10));
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106 %! colorbar ();
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107 %! subplot (2,2,2);
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108 %! quiver (rand (10, 10), rand (10, 10));
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109 %! subplot (2,2,3);
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110 %! colormap (jet (64));
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111 %! hold on;
0187ed948627 Fix segfault with copyobj() and patch objects.
Rik <rik@octave.org>
parents: 17795
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112 %! sombrero ();
0187ed948627 Fix segfault with copyobj() and patch objects.
Rik <rik@octave.org>
parents: 17795
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113 %! colorbar ('peer', gca, 'NorthOutside');
0187ed948627 Fix segfault with copyobj() and patch objects.
Rik <rik@octave.org>
parents: 17795
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114 %! subplot (2,2,4);
0187ed948627 Fix segfault with copyobj() and patch objects.
Rik <rik@octave.org>
parents: 17795
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115 %! imagesc (rand (30, 30));
0187ed948627 Fix segfault with copyobj() and patch objects.
Rik <rik@octave.org>
parents: 17795
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116 %! text (15, 15, 'Rotated text', ...
0187ed948627 Fix segfault with copyobj() and patch objects.
Rik <rik@octave.org>
parents: 17795
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117 %! 'HorizontAlalignment', 'Center', 'Rotation', 30);
18528
9c8321ea6f58 copyobj.m: Arrange original and copied plot side-by-side in demos.
Rik <rik@octave.org>
parents: 18317
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118 %! drawnow ();
9c8321ea6f58 copyobj.m: Arrange original and copied plot side-by-side in demos.
Rik <rik@octave.org>
parents: 18317
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119 %! pos = get (hobj, 'position');
9c8321ea6f58 copyobj.m: Arrange original and copied plot side-by-side in demos.
Rik <rik@octave.org>
parents: 18317
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120 %! scrn = get (0, 'screensize');
9c8321ea6f58 copyobj.m: Arrange original and copied plot side-by-side in demos.
Rik <rik@octave.org>
parents: 18317
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121 %! set (hobj, 'position', [scrn(3)/2-pos(3)-10, scrn(4)/2-pos(4)/2, pos(3:4)]);
9c8321ea6f58 copyobj.m: Arrange original and copied plot side-by-side in demos.
Rik <rik@octave.org>
parents: 18317
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122 %! drawnow ();
9c8321ea6f58 copyobj.m: Arrange original and copied plot side-by-side in demos.
Rik <rik@octave.org>
parents: 18317
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123 %! hnew = copyobj (hobj);
9c8321ea6f58 copyobj.m: Arrange original and copied plot side-by-side in demos.
Rik <rik@octave.org>
parents: 18317
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124 %! drawnow ();
9c8321ea6f58 copyobj.m: Arrange original and copied plot side-by-side in demos.
Rik <rik@octave.org>
parents: 18317
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125 %! set (hnew, 'name', 'Copyobj');
9c8321ea6f58 copyobj.m: Arrange original and copied plot side-by-side in demos.
Rik <rik@octave.org>
parents: 18317
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126 %! drawnow ();
9c8321ea6f58 copyobj.m: Arrange original and copied plot side-by-side in demos.
Rik <rik@octave.org>
parents: 18317
diff changeset
127 %! set (hnew, 'position', [scrn(3)/2, scrn(4)/2-pos(4)/2, pos(3:4)]);
9c8321ea6f58 copyobj.m: Arrange original and copied plot side-by-side in demos.
Rik <rik@octave.org>
parents: 18317
diff changeset
128 %! drawnow ();
15011
f34bea431e4f maint: Use Octave coding standards for copyobj.m, hdl2struct.m, struct2hdl.m.
Rik <rik@octave.org>
parents: 15007
diff changeset
129
15328
efbc896c1ecc Disable tests calling imread if not using GraphicsMagick
Mike Miller <mtmiller@ieee.org>
parents: 15011
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130 %!testif HAVE_MAGICK
17150
e7723410ec32 Recode some %!tests which pop up figures with new figure() behavior.
Rik <rik@octave.org>
parents: 17122
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131 %! toolkit = graphics_toolkit ();
e7723410ec32 Recode some %!tests which pop up figures with new figure() behavior.
Rik <rik@octave.org>
parents: 17122
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132 %! graphics_toolkit ("gnuplot");
14867
97ce18b62d0f New Functions; copyobj.m, hdl2struct.m, struct2hdl.m
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
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133 %! unwind_protect
17150
e7723410ec32 Recode some %!tests which pop up figures with new figure() behavior.
Rik <rik@octave.org>
parents: 17122
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134 %! h1 = figure ("visible", "off");
e7723410ec32 Recode some %!tests which pop up figures with new figure() behavior.
Rik <rik@octave.org>
parents: 17122
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135 %! x = 0:0.1:2*pi;
e7723410ec32 Recode some %!tests which pop up figures with new figure() behavior.
Rik <rik@octave.org>
parents: 17122
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136 %! y1 = sin (x);
e7723410ec32 Recode some %!tests which pop up figures with new figure() behavior.
Rik <rik@octave.org>
parents: 17122
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137 %! y2 = exp (x - 1);
e7723410ec32 Recode some %!tests which pop up figures with new figure() behavior.
Rik <rik@octave.org>
parents: 17122
diff changeset
138 %! ax = plotyy (x,y1, x-1,y2, @plot, @semilogy);
e7723410ec32 Recode some %!tests which pop up figures with new figure() behavior.
Rik <rik@octave.org>
parents: 17122
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139 %! xlabel ("X");
e7723410ec32 Recode some %!tests which pop up figures with new figure() behavior.
Rik <rik@octave.org>
parents: 17122
diff changeset
140 %! ylabel (ax(1), "Axis 1");
e7723410ec32 Recode some %!tests which pop up figures with new figure() behavior.
Rik <rik@octave.org>
parents: 17122
diff changeset
141 %! ylabel (ax(2), "Axis 2");
e7723410ec32 Recode some %!tests which pop up figures with new figure() behavior.
Rik <rik@octave.org>
parents: 17122
diff changeset
142 %! axes (ax(1));
e7723410ec32 Recode some %!tests which pop up figures with new figure() behavior.
Rik <rik@octave.org>
parents: 17122
diff changeset
143 %! text (0.5, 0.5, "Left Axis", ...
e7723410ec32 Recode some %!tests which pop up figures with new figure() behavior.
Rik <rik@octave.org>
parents: 17122
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144 %! "color", [0 0 1], "horizontalalignment", "center");
e7723410ec32 Recode some %!tests which pop up figures with new figure() behavior.
Rik <rik@octave.org>
parents: 17122
diff changeset
145 %! axes (ax(2));
e7723410ec32 Recode some %!tests which pop up figures with new figure() behavior.
Rik <rik@octave.org>
parents: 17122
diff changeset
146 %! text (4.5, 80, "Right Axis", ...
e7723410ec32 Recode some %!tests which pop up figures with new figure() behavior.
Rik <rik@octave.org>
parents: 17122
diff changeset
147 %! "color", [0 0.5 0], "horizontalalignment", "center");
e7723410ec32 Recode some %!tests which pop up figures with new figure() behavior.
Rik <rik@octave.org>
parents: 17122
diff changeset
148 %! s1 = hdl2struct (h1);
e7723410ec32 Recode some %!tests which pop up figures with new figure() behavior.
Rik <rik@octave.org>
parents: 17122
diff changeset
149 %! h2 = struct2hdl (s1);
e7723410ec32 Recode some %!tests which pop up figures with new figure() behavior.
Rik <rik@octave.org>
parents: 17122
diff changeset
150 %! s2 = hdl2struct (h2);
e7723410ec32 Recode some %!tests which pop up figures with new figure() behavior.
Rik <rik@octave.org>
parents: 17122
diff changeset
151 %! png1 = strcat (tmpnam (), ".png");
e7723410ec32 Recode some %!tests which pop up figures with new figure() behavior.
Rik <rik@octave.org>
parents: 17122
diff changeset
152 %! png2 = strcat (tmpnam (), ".png");
e7723410ec32 Recode some %!tests which pop up figures with new figure() behavior.
Rik <rik@octave.org>
parents: 17122
diff changeset
153 %! unwind_protect
e7723410ec32 Recode some %!tests which pop up figures with new figure() behavior.
Rik <rik@octave.org>
parents: 17122
diff changeset
154 %! print (h1, png1);
e7723410ec32 Recode some %!tests which pop up figures with new figure() behavior.
Rik <rik@octave.org>
parents: 17122
diff changeset
155 %! [img1, map1, alpha1] = imread (png1);
e7723410ec32 Recode some %!tests which pop up figures with new figure() behavior.
Rik <rik@octave.org>
parents: 17122
diff changeset
156 %! print (h2, png2);
e7723410ec32 Recode some %!tests which pop up figures with new figure() behavior.
Rik <rik@octave.org>
parents: 17122
diff changeset
157 %! [img2, map2, alpha2] = imread (png2);
e7723410ec32 Recode some %!tests which pop up figures with new figure() behavior.
Rik <rik@octave.org>
parents: 17122
diff changeset
158 %! unwind_protect_cleanup
e7723410ec32 Recode some %!tests which pop up figures with new figure() behavior.
Rik <rik@octave.org>
parents: 17122
diff changeset
159 %! unlink (png1);
e7723410ec32 Recode some %!tests which pop up figures with new figure() behavior.
Rik <rik@octave.org>
parents: 17122
diff changeset
160 %! unlink (png2);
e7723410ec32 Recode some %!tests which pop up figures with new figure() behavior.
Rik <rik@octave.org>
parents: 17122
diff changeset
161 %! end_unwind_protect
e7723410ec32 Recode some %!tests which pop up figures with new figure() behavior.
Rik <rik@octave.org>
parents: 17122
diff changeset
162 %! assert (img1, img2);
e7723410ec32 Recode some %!tests which pop up figures with new figure() behavior.
Rik <rik@octave.org>
parents: 17122
diff changeset
163 %! assert (map1, map2);
e7723410ec32 Recode some %!tests which pop up figures with new figure() behavior.
Rik <rik@octave.org>
parents: 17122
diff changeset
164 %! assert (alpha1, alpha2);
14867
97ce18b62d0f New Functions; copyobj.m, hdl2struct.m, struct2hdl.m
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
diff changeset
165 %! unwind_protect_cleanup
17150
e7723410ec32 Recode some %!tests which pop up figures with new figure() behavior.
Rik <rik@octave.org>
parents: 17122
diff changeset
166 %! close (h1);
e7723410ec32 Recode some %!tests which pop up figures with new figure() behavior.
Rik <rik@octave.org>
parents: 17122
diff changeset
167 %! close (h2);
e7723410ec32 Recode some %!tests which pop up figures with new figure() behavior.
Rik <rik@octave.org>
parents: 17122
diff changeset
168 %! graphics_toolkit (toolkit);
14867
97ce18b62d0f New Functions; copyobj.m, hdl2struct.m, struct2hdl.m
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
diff changeset
169 %! end_unwind_protect
17150
e7723410ec32 Recode some %!tests which pop up figures with new figure() behavior.
Rik <rik@octave.org>
parents: 17122
diff changeset
170