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comparison scripts/plot/util/private/__gnuplot_draw_figure__.m @ 20435:755ba248fb4a

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build: Rename __go_draw_XXX to __gnuplot_draw_XXX for clarity. * scripts/plot/util/private/__gnuplot_draw_axes__.m: Renamed from __go_draw_axes__.m * scripts/plot/util/private/__gnuplot_draw_figure__.m: Renamed from __go_draw_figure__.m * __scatter__.m, __gnuplot_drawnow__.m: Update scripts to use new names. * scripts/plot/util/module.mk: Use new file names in build system.
author Rik <rik@octave.org>
date Sun, 26 Jul 2015 18:33:57 -0700
parents scripts/plot/util/private/__go_draw_figure__.m@ce027487af26
children 4479d73eac72
comparison
equal deleted inserted replaced
20434:26bd6008fc9c 20435:755ba248fb4a
1 ## Copyright (C) 2005-2015 John W. Eaton
2 ##
3 ## This file is part of Octave.
4 ##
5 ## Octave is free software; you can redistribute it and/or modify it
6 ## under the terms of the GNU General Public License as published by
7 ## the Free Software Foundation; either version 3 of the License, or (at
8 ## your option) any later version.
9 ##
10 ## Octave is distributed in the hope that it will be useful, but
11 ## WITHOUT ANY WARRANTY; without even the implied warranty of
12 ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 ## General Public License for more details.
14 ##
15 ## You should have received a copy of the GNU General Public License
16 ## along with Octave; see the file COPYING. If not, see
17 ## <http://www.gnu.org/licenses/>.
18
19 ## -*- texinfo -*-
20 ## @deftypefn {Function File} {} __gnuplot_draw_figure__ (@var{h}, @var{plot_stream}, @var{enhanced}, @var{mono})
21 ## Undocumented internal function.
22 ## @end deftypefn
23
24 ## Author: jwe
25
26 function __gnuplot_draw_figure__ (h, plot_stream, enhanced, mono)
27
28 htype = get (h, "type");
29 if (strcmp (htype, "figure"))
30 ## Get complete list of children.
31 kids = allchild (h);
32 nkids = length (kids);
33
34 if (nkids > 0)
35 fputs (plot_stream, "\nreset;\n");
36 fputs (plot_stream, "set autoscale keepfix;\n");
37 fputs (plot_stream, "set origin 0, 0\n");
38 fputs (plot_stream, "set size 1, 1\n");
39 bg = get (h, "color");
40 if (isnumeric (bg))
41 fprintf (plot_stream, "set obj 1 rectangle from screen 0,0 to screen 1,1 behind fc rgb \"#%02x%02x%02x\" fs solid noborder\n", round (255 * bg));
42 bg_is_set = true;
43 else
44 bg_is_set = false;
45 endif
46 fg_was_set = false;
47
48 for i = nkids:-1:1
49 type = get (kids(i), "type");
50 switch (type)
51 case "axes"
52 if (strcmpi (get (kids (i), "tag"), "legend"))
53 ## This is so ugly. If there was a way of getting
54 ## gnuplot to give us the text extents of strings
55 ## then we could get rid of this mess.
56 lh = getfield (get (kids(i), "userdata"), "handle");
57 if (isscalar (lh))
58 ## We have a legend with a single parent. It'll be handled
59 ## below as a gnuplot key to the axis it corresponds to
60 continue;
61 else
62 ca = lh(1);
63 ## Rely upon listener to convert axes position
64 ## to "normalized" units.
65 legend_axes_units = get (kids(i), "units");
66 legend_axes_position = get (kids(i), "position");
67 legend_axes_outerposition = get (kids(i), "outerposition");
68 legend_axes_box = get (kids(i), "box");
69 legend_axes_ylim = get (kids(i), "ylim");
70 orig_axes_units = get (ca, "units");
71 hlgnd = get (kids(i));
72
73 unwind_protect
74 set (ca, "units", "normalized");
75 set (kids(i), "units", "normalized", "box", "off",
76 "ylim", [-2, -1], "position", get (ca(1), "position"),
77 "outerposition", get (ca(1), "outerposition"));
78
79 ## Create a new set of lines with the appropriate
80 ## displaynames, etc
81 toberm = [];
82 hobj = get (kids(i), "children");
83 for j = numel (hobj) : -1 : 1
84 if (! strcmp (get (hobj(j), "type"), "text"))
85 continue;
86 endif
87 displayname = get (hobj(j), "string");
88 ll = [];
89 lm = [];
90 for k = numel (hobj) : -1 : 1
91 if (! strcmp (get (hobj(k), "type"), "line"))
92 continue;
93 endif
94 if (get (hobj(j), "userdata")
95 != get (hobj(k), "userdata"))
96 continue;
97 endif
98 if (! strcmp (get (hobj(k), "linestyle"), "none"))
99 ll = hobj(k);
100 endif
101 if (! strcmp (get (hobj(k), "marker"), "none"))
102 lm = hobj(k);
103 endif
104 endfor
105
106 if (! isempty (ll))
107 if (! isempty (lm))
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))];
109 else
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))];
111 endif
112 elseif (! isempty (lm))
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))];
114 endif
115 endfor
116 if (bg_is_set)
117 fprintf (plot_stream, "set border linecolor rgb \"#%02x%02x%02x\"\n", round (255 * (1 - bg)));
118 endif
119 __gnuplot_draw_axes__ (kids(i), plot_stream, enhanced, mono,
120 bg_is_set, false, hlgnd);
121 unwind_protect_cleanup
122 ## Return axes "units" and "position" back to
123 ## their original values.
124 set (ca, "units", orig_axes_units);
125 set (kids(i), "units", legend_axes_units,
126 "box", legend_axes_box,
127 "ylim", legend_axes_ylim,
128 "position", legend_axes_position,
129 "outerposition", legend_axes_outerposition);
130 delete (toberm);
131 bg_is_set = false;
132 end_unwind_protect
133 endif
134 else
135 ## Rely upon listener to convert axes position
136 ## to "normalized" units.
137 orig_axes_units = get (kids(i), "units");
138 orig_axes_position = get (kids(i), "position");
139 unwind_protect
140 set (kids(i), "units", "normalized");
141 fg = get (kids(i), "color");
142 if (isnumeric (fg) && strcmp (get (kids(i), "visible"), "on"))
143 fprintf (plot_stream, "set obj 2 rectangle from graph 0,0 to graph 1,1 behind fc rgb \"#%02x%02x%02x\" fs solid noborder\n", round (255 * fg));
144 fg_is_set = true;
145 fg_was_set = true;
146 elseif (fg_was_set)
147 fprintf (plot_stream, "unset obj 2\n");
148 fg_is_set = false;
149 fg_was_set = false;
150 else
151 fg_is_set = false;
152 endif
153 if (bg_is_set)
154 fprintf (plot_stream, "set border linecolor rgb \"#%02x%02x%02x\"\n", round (255 * (1 - bg)));
155 endif
156 ## Find if this axes has an associated legend axes and pass it
157 ## to __gnuplot_draw_axes__
158 hlegend = [];
159 fkids = get (h, "children");
160 for j = 1 : numel (fkids)
161 if (ishandle (fkids (j))
162 && strcmp (get (fkids (j), "type"), "axes")
163 && (strcmp (get (fkids (j), "tag"), "legend")))
164 udata = get (fkids (j), "userdata");
165 if (isscalar (udata.handle)
166 && ! isempty (intersect (udata.handle, kids (i))))
167 hlegend = get (fkids (j));
168 break;
169 endif
170 endif
171 endfor
172 __gnuplot_draw_axes__ (kids(i), plot_stream, enhanced, mono,
173 bg_is_set, fg_is_set, hlegend);
174 unwind_protect_cleanup
175 ## Return axes "units" and "position" back to
176 ## their original values.
177 set (kids(i), "units", orig_axes_units);
178 set (kids(i), "position", orig_axes_position);
179 bg_is_set = false;
180 fg_is_set = false;
181 end_unwind_protect
182 endif
183 case "uimenu"
184 ## ignore uimenu objects
185 kids(i) = [];
186 otherwise
187 error ("__gnuplot_draw_figure__: unknown object class, %s", type);
188 endswitch
189 endfor
190 if (isempty (kids))
191 fputs (plot_stream, "\nreset; clear;\n");
192 fflush (plot_stream);
193 else
194 fputs (plot_stream, "\nunset multiplot;\n");
195 endif
196 else
197 fputs (plot_stream, "\nreset; clear;\n");
198 fflush (plot_stream);
199 endif
200 else
201 error ("__gnuplot_draw_figure__: expecting figure object, found '%s'",
202 htype);
203 endif
204
205 endfunction
206