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annotate scripts/plot/util/private/__go_draw_figure__.m @ 17751:e2f83152e64a

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print.m: Restore figure position first (in pixels) and then original units. * scripts/plot/util/print.m: Restore figure position first (in pixels) and then original units.
author Rik <rik@octave.org>
date Thu, 24 Oct 2013 13:17:13 -0700
parents d63878346099
children 4197fc428c7d
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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1 ## Copyright (C) 2005-2013 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} {} __go_draw_figure__ (@var{h}, @var{plot_stream}, @var{enhanced}, @var{mono})
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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 __go_draw_figure__ (h, plot_stream, enhanced, mono)
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27
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28 htype = get (h, "type");
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29 if (strcmp (htype, "figure"))
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30 ## Get complete list of children.
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31 kids = allchild (h);
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32 nkids = length (kids);
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33
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34 if (nkids > 0)
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35 fputs (plot_stream, "\nreset;\n");
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36 fputs (plot_stream, "set autoscale keepfix;\n");
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37 fputs (plot_stream, "set origin 0, 0\n");
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38 fputs (plot_stream, "set size 1, 1\n");
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39 bg = get (h, "color");
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40 if (isnumeric (bg))
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41 fprintf (plot_stream, "set obj 1 rectangle from screen 0,0 to screen 1,1 behind fc rgb \"#%02x%02x%02x\"\n", 255 * bg);
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42 bg_is_set = true;
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43 else
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44 bg_is_set = false;
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45 endif
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46 fg_was_set = false;
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47
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48 for i = nkids:-1:1
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49 type = get (kids(i), "type");
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50 switch (type)
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51 case "axes"
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52 if (strcmpi (get (kids (i), "tag"), "legend"))
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53 ## This is so ugly. If there was a way of getting
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54 ## gnuplot to give us the text extents of strings
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55 ## then we could get rid of this mess.
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56 lh = getfield (get (kids(i), "userdata"), "handle");
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57 if (isscalar (lh))
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58 ## We have a legend with a single parent. It'll be handled
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59 ## below as a gnuplot key to the axis it corresponds to
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60 continue;
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61 else
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62 ca = lh(1);
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63 ## Rely upon listener to convert axes position
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64 ## to "normalized" units.
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65 legend_axes_units = get (kids(i), "units");
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66 legend_axes_position = get (kids(i), "position");
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67 legend_axes_outerposition = get (kids(i), "outerposition");
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68 legend_axes_box = get (kids(i), "box");
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69 legend_axes_ylim = get (kids(i), "ylim");
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70 orig_axes_units = get (ca, "units");
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71 hlgnd = get (kids(i));
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72
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73 unwind_protect
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74 set (ca, "units", "normalized");
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75 set (kids(i), "units", "normalized", "box", "off",
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76 "ylim", [-2, -1], "position", get (ca(1), "position"),
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77 "outerposition", get (ca(1), "outerposition"));
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78
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79 ## Create a new set of lines with the appropriate
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80 ## displaynames, etc
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81 toberm = [];
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82 hobj = get (kids(i), "children");
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83 for j = numel (hobj) : -1 : 1
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84 if (! strcmp (get (hobj(j), "type"), "text"))
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85 continue;
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86 endif
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87 displayname = get (hobj(j), "string");
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88 ll = [];
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89 lm = [];
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90 for k = numel (hobj) : -1 : 1
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91 if (! strcmp (get (hobj(k), "type"), "line"))
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92 continue;
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93 endif
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94 if (get (hobj(j), "userdata")
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95 != get (hobj(k), "userdata"))
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96 continue;
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97 endif
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98 if (! strcmp (get (hobj(k), "linestyle"), "none"))
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99 ll = hobj(k);
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100 endif
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101 if (! strcmp (get (hobj(k), "marker"), "none"))
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102 lm = hobj(k);
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103 endif
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104 endfor
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105
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106 if (! isempty (ll))
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107 if (!isempty (lm))
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108 toberm = [toberm, line("xdata",[0,0],"ydata",[0,0], "color", get(lm,"color"), "linestyle", get(ll,"linestyle"), "marker", get(lm,"marker"), "markeredgecolor", get(lm,"markeredgecolor"), "markerfacecolor", get(lm,"markerfacecolor"), "markersize", get (lm, "markersize"), "displayname", displayname, "parent", kids(i))];
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109 else
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110 toberm = [toberm, line("xdata",[0,0],"ydata",[0,0], "color", get(ll,"color"), "linestyle", get(ll,"linestyle"), "marker", "none", "displayname", displayname, "parent", kids(i))];
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111 endif
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112 elseif (! isempty (lm))
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113 toberm = [toberm, line("xdata",[0,0],"ydata",[0,0], "color", get(lm,"color"), "linestyle", "none", "marker", get(lm,"marker"), "markeredgecolor", get(lm,"markeredgecolor"), "markerfacecolor", get(lm,"markerfacecolor"), "markersize", get (lm, "markersize"), "displayname", displayname, "parent", kids(i))];
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114 endif
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115 endfor
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116 if (bg_is_set)
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117 fprintf (plot_stream, "set border linecolor rgb \"#%02x%02x%02x\"\n", 255 * (1 - bg));
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118 endif
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119 __go_draw_axes__ (kids(i), plot_stream, enhanced, mono,
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120 bg_is_set, false, hlgnd);
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121 unwind_protect_cleanup
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122 ## Return axes "units" and "position" back to
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123 ## their original values.
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124 set (ca, "units", orig_axes_units);
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125 set (kids(i), "units", legend_axes_units,
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diff changeset
126 "box", legend_axes_box,
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diff changeset
127 "ylim", legend_axes_ylim,
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diff changeset
128 "position", legend_axes_position,
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diff changeset
129 "outerposition", legend_axes_outerposition);
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diff changeset
130 delete (toberm);
11198
9f080d23396f Fix multi-parented legends with the gnuplot backend (fixes #30461 and #31522)
David Bateman <dbateman@free.fr>
parents: 11155
diff changeset
131 bg_is_set = false;
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David Bateman <dbateman@free.fr>
parents: 11155
diff changeset
132 end_unwind_protect
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David Bateman <dbateman@free.fr>
parents: 11155
diff changeset
133 endif
17176
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134 else
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135 ## Rely upon listener to convert axes position
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136 ## to "normalized" units.
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137 orig_axes_units = get (kids(i), "units");
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diff changeset
138 orig_axes_position = get (kids(i), "position");
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diff changeset
139 unwind_protect
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140 set (kids(i), "units", "normalized");
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141 fg = get (kids(i), "color");
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diff changeset
142 if (isnumeric (fg) && strcmp (get (kids(i), "visible"), "on"))
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diff changeset
143 fprintf (plot_stream, "set obj 2 rectangle from graph 0,0 to graph 1,1 behind fc rgb \"#%02x%02x%02x\"\n", 255 * fg);
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144 fg_is_set = true;
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145 fg_was_set = true;
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Rik <rik@octave.org>
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diff changeset
146 elseif (fg_was_set)
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Rik <rik@octave.org>
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diff changeset
147 fprintf (plot_stream, "unset obj 2\n");
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148 fg_is_set = false;
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149 fg_was_set = false;
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diff changeset
150 else
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151 fg_is_set = false;
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Rik <rik@octave.org>
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diff changeset
152 endif
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Rik <rik@octave.org>
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153 if (bg_is_set)
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Rik <rik@octave.org>
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154 fprintf (plot_stream, "set border linecolor rgb \"#%02x%02x%02x\"\n", 255 * (1 - bg));
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Rik <rik@octave.org>
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diff changeset
155 endif
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156 ## Find if this axes has an associated legend axes and pass it
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157 ## to __go_draw_axes__
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diff changeset
158 hlegend = [];
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159 fkids = get (h, "children");
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diff changeset
160 for j = 1 : numel (fkids)
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Rik <rik@octave.org>
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diff changeset
161 if (ishandle (fkids (j))
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diff changeset
162 && strcmp (get (fkids (j), "type"), "axes")
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diff changeset
163 && (strcmp (get (fkids (j), "tag"), "legend")))
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diff changeset
164 udata = get (fkids (j), "userdata");
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165 if (isscalar (udata.handle)
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166 && ! isempty (intersect (udata.handle, kids (i))))
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167 hlegend = get (fkids (j));
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diff changeset
168 break;
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169 endif
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170 endif
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Rik <rik@octave.org>
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171 endfor
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172 __go_draw_axes__ (kids(i), plot_stream, enhanced, mono,
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diff changeset
173 bg_is_set, fg_is_set, hlegend);
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diff changeset
174 unwind_protect_cleanup
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diff changeset
175 ## Return axes "units" and "position" back to
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diff changeset
176 ## their original values.
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diff changeset
177 set (kids(i), "units", orig_axes_units);
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diff changeset
178 set (kids(i), "position", orig_axes_position);
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179 bg_is_set = false;
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180 fg_is_set = false;
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181 end_unwind_protect
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182 endif
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diff changeset
183 case "uimenu"
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184 ## ignore uimenu objects
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185 kids(i) = [];
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186 otherwise
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diff changeset
187 error ("__go_draw_figure__: unknown object class, %s", type);
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188 endswitch
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189 endfor
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diff changeset
190 if (isempty (kids))
10473
169be980faf9 __go_draw_figure__.m: Untabify.
Ben Abbott <bpabbott@mac.com>
parents: 10159
diff changeset
191 fputs (plot_stream, "\nreset; clear;\n");
169be980faf9 __go_draw_figure__.m: Untabify.
Ben Abbott <bpabbott@mac.com>
parents: 10159
diff changeset
192 fflush (plot_stream);
17176
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diff changeset
193 else
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diff changeset
194 fputs (plot_stream, "\nunset multiplot;\n");
9098
5ecdb3d3568f Allow fontsize to be specified for all objects with fontname == "*".
Ben Abbott <bpabbott@mac.com>
parents: 9062
diff changeset
195 endif
6405
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jwe
parents:
diff changeset
196 else
17176
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diff changeset
197 fputs (plot_stream, "\nreset; clear;\n");
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diff changeset
198 fflush (plot_stream);
6405
b298a4c12fc3 [project @ 2007-03-14 16:51:28 by jwe]
jwe
parents:
diff changeset
199 endif
b298a4c12fc3 [project @ 2007-03-14 16:51:28 by jwe]
jwe
parents:
diff changeset
200 else
17176
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diff changeset
201 error ("__go_draw_figure__: expecting figure object, found '%s'",
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Rik <rik@octave.org>
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diff changeset
202 htype);
11587
c792872f8942 all script files: untabify and strip trailing whitespace
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
203 endif
6405
b298a4c12fc3 [project @ 2007-03-14 16:51:28 by jwe]
jwe
parents:
diff changeset
204
b298a4c12fc3 [project @ 2007-03-14 16:51:28 by jwe]
jwe
parents:
diff changeset
205 endfunction
b298a4c12fc3 [project @ 2007-03-14 16:51:28 by jwe]
jwe
parents:
diff changeset
206