1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
|
########################################################################
##
## Copyright (C) 1999-2024 The Octave Project Developers
##
## See the file COPYRIGHT.md in the top-level directory of this
## distribution or <https://octave.org/copyright/>.
##
## This file is part of Octave.
##
## Octave is free software: you can redistribute it and/or modify it
## under the terms of the GNU General Public License as published by
## the Free Software Foundation, either version 3 of the License, or
## (at your option) any later version.
##
## Octave is distributed in the hope that it will be useful, but
## WITHOUT ANY WARRANTY; without even the implied warranty of
## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
## GNU General Public License for more details.
##
## You should have received a copy of the GNU General Public License
## along with Octave; see the file COPYING. If not, see
## <https://www.gnu.org/licenses/>.
##
########################################################################
## -*- texinfo -*-
## @deftypefn {} {@var{opts} =} __gnuplot_print__ (@var{@dots{}})
## Undocumented internal function.
## @end deftypefn
function opts = __gnuplot_print__ (opts)
dos_shell = (ispc () && ! isunix ());
if (isempty (opts.fontsize))
## If no fontsize, determine the nominal axes fontsize.
defaultfontsize = get (0, "defaultaxesfontsize");
axesfontsize = get (findobj (opts.figure, "type", "axes"), "fontsize");
if (iscell (axesfontsize))
axesfontsize = round (median (cell2mat (axesfontsize)));
endif
if (isempty (axesfontsize))
opts.fontsize = defaultfontsize;
else
opts.fontsize = axesfontsize;
endif
endif
## The axes-label and tick-label spacing is determined by
## the font spec given in "set terminal ..."
gp_opts = font_spec (opts);
if (! any (strcmpi (opts.devopt, {"fig", "dxf", "hpgl", "mf", "pstricks", ...
"texdraw", "latex", "eepic"})))
bg = get (opts.figure, "color");
if (isnumeric (bg))
gp_opts = sprintf ('%s background rgb "#%02x%02x%02x"',
gp_opts, round (255 * bg));
else
gp_opts = sprintf ("%s nobackground", gp_opts);
endif
endif
pipeline = "";
switch (lower (opts.devopt))
case {"eps", "eps2", "epsc", "epsc2"}
if (any (strcmp (opts.devopt, {"eps", "epsc"})))
gp_opts = [gp_opts " level1"];
endif
if (opts.tight || ! isempty (opts.preview))
tmp_file = [tempname() ".eps"];
eps_drawnow (opts, tmp_file, gp_opts);
if (dos_shell)
cleanup = [" & del " strrep(tmp_file, '/', '\')];
else
cleanup = [" ; rm " tmp_file];
endif
pipeline = {sprintf("%s %s",
opts.epstool_cmd (opts, tmp_file, opts.name),
cleanup)};
else
eps_drawnow (opts, opts.name, gp_opts);
endif
case {"epslatex", "pslatex", "pstex", "epslatexstandalone"}
dot = find (opts.name == ".", 1, "last");
n = find (opts.devopt == "l", 1);
suffix = opts.devopt(1:n-1);
[ndir, name, ext] = fileparts (opts.name);
if (isempty (ext))
ext = "tex";
else
ext = ext(2:end); # remove leading '.'
endif
if (any (strcmpi (ext, {suffix, "tex"})))
name = fullfile (ndir, name);
if (any (strcmpi (ext, {"eps", "ps", "pdf"})))
suffix = ext; # If user provides eps/ps/pdf suffix, use it.
endif
else
error ("Octave:print:invalid-suffix",
"invalid suffix '%s' for device '%s'.",
ext, lower (opts.devopt));
endif
suffix = "tex";
if (strfind (opts.devopt, "standalone"))
gp_opts = sprintf ("standalone %s", gp_opts);
term = strrep (opts.devopt, "standalone", "");
else
term = sprintf ("%s ", opts.devopt);
endif
local_drawnow ([term " " gp_opts],
[name "." suffix], opts);
case {"tikz", "tikzstandalone"}
if (strfind (opts.devopt, "standalone"))
gp_opts = sprintf ("standalone %s", gp_opts);
endif
if (__gnuplot_has_terminal__ ("tikz"))
local_drawnow (["tikz " gp_opts], opts.name, opts);
else
error (sprintf ("print:no%soutput", opts.devopt),
"print: '%s' output is not available for gnuplot-%s",
upper (opts.devopt), __gnuplot_version__ ());
endif
case "svg"
local_drawnow (["svg dynamic " gp_opts], opts.name, opts);
case {"eepic"}
local_drawnow ([opts.devopt " color rotate " gp_opts], opts.name, opts);
case {"aifm", "corel", "emf", "fig"}
local_drawnow ([opts.devopt " " gp_opts], opts.name, opts);
case {"cairolatex", "epscairo", "epscairolatex", ...
"epscairolatexstandalone", "pdfcairo", "pdfcairolatex", ...
"pdfcairolatexstandalone", "pngcairo", ...
"pdflatexstandalone", "pdflatex"}
term = opts.devopt;
if (strfind (term, "standalone"))
gp_opts = sprintf ("standalone %s", gp_opts);
term = strrep (term, "standalone", "");
endif
if (strfind (term, "epscairolatex"))
gp_opts = sprintf ("eps %s", gp_opts);
term = strrep (term, "epscairolatex", "cairolatex");
elseif (strfind (term, "pdfcairolatex") || strfind (term, "pdflatex"))
gp_opts = sprintf ("pdf %s", gp_opts);
term = strrep (term, "pdfcairolatex", "cairolatex");
term = strrep (term, "pdflatex", "cairolatex");
endif
if (__gnuplot_has_terminal__ (term))
local_drawnow ([term " " gp_opts], opts.name, opts);
else
error (sprintf ("print:no%soutput", opts.devopt),
"print: '%s' output is not available for gnuplot-%s",
upper (opts.devopt), __gnuplot_version__ ());
endif
case {"canvas", "cgm", "dxf", "hpgl", "latex", "mf", "gif", ...
"pstricks", "texdraw"}
if (__gnuplot_has_terminal__ (opts.devopt))
local_drawnow ([opts.devopt " " gp_opts], opts.name, opts);
else
error (sprintf ("print:no%soutput", opts.devopt),
"print: '%s' output is not available for gnuplot-%s",
upper (opts.devopt), __gnuplot_version__ ());
endif
case "dumb"
local_drawnow ("dumb size 72,24", opts.name, opts);
case opts.ghostscript.device
gp_opts = font_spec (opts, "devopt", "eps");
opts.ghostscript.output = opts.name;
opts.ghostscript.source = [tempname() ".eps"];
eps_drawnow (opts, opts.ghostscript.source, gp_opts);
[cmd_gs, cmd_cleanup] = __ghostscript__ (opts.ghostscript);
if (opts.send_to_printer || isempty (opts.name))
cmd_lpr = opts.lpr_cmd (opts);
cmd = [cmd_gs " | " cmd_lpr];
else
cmd = cmd_gs;
endif
if (dos_shell)
cmd = sprintf ("%s & del %s", cmd,
strrep (opts.ghostscript.source, '/', '\'));
else
cmd = sprintf ("%s ; rm %s", cmd, opts.ghostscript.source);
endif
if (! isempty (cmd_cleanup))
if (dos_shell)
pipeline = {[cmd " & " cmd_cleanup]};
else
pipeline = {[cmd " ; " cmd_cleanup]};
endif
else
pipeline = {cmd};
endif
otherwise
error (sprintf ("print:no%soutput", opts.devopt),
"print: %s output is not available for the Gnuplot graphics toolkit",
upper (opts.devopt));
endswitch
opts.pipeline = pipeline;
for n = 1:numel (pipeline)
if (opts.debug)
fprintf ("gnuplot-pipeline: '%s'\n", pipeline{n});
endif
[status, output] = system (pipeline{n});
if (status)
fprintf ("%s\n%s\n%s\n",
"---------- output begin ----------",
output,
"----------- output end -----------");
error ("Octave:gnuplot:failedpipe", "print: failed to print");
endif
endfor
endfunction
function eps_drawnow (opts, epsfile, gp_opts)
[h, fontsize] = get_figure_text_objs (opts);
unwind_protect
fontsize_2x = cellfun (@times, {2}, fontsize, "uniformoutput", false);
set (h, {"fontsize"}, fontsize_2x);
local_drawnow (["postscript eps " gp_opts], epsfile, opts);
unwind_protect_cleanup
set (h, {"fontsize"}, fontsize);
end_unwind_protect
endfunction
function local_drawnow (term, file, opts)
set (0, "currentfigure", opts.figure);
if (isempty (opts.debug_file) || ! opts.debug)
drawnow (term, file);
else
drawnow (term, file, opts.debug_file);
endif
if (opts.debug)
fprintf ("Expanded gnuplot terminal = '%s'\n", term);
endif
endfunction
function f = font_spec (opts, varargin)
for n = 1:2:numel (varargin)
opts.(varargin{n}) = varargin{n+1};
endfor
f = "";
switch (opts.devopt)
case "cgm"
if (! isempty (opts.font) && ! isempty (opts.fontsize))
f = sprintf ('font "%s,%d"', opts.font, opts.fontsize);
elseif (! isempty (opts.font))
f = sprintf ('font "%s"', opts.font);
elseif (! isempty (opts.fontsize))
f = sprintf ('font ",%d"', opts.fontsize);
endif
case {"eps", "eps2", "epsc", "epsc2"}
## Gnuplot renders fonts as half their specification, which
## results in a tight spacing for the axes-labels and tick-labels.
## Compensate for the half scale. This will produce the proper
## spacing for the requested fontsize.
if (! isempty (opts.font) && ! isempty (opts.fontsize))
f = sprintf ('font "%s,%d"', opts.font, 2 * opts.fontsize);
elseif (! isempty (opts.font))
f = sprintf ('font "%s"', opts.font);
elseif (! isempty (opts.fontsize))
f = sprintf ('font ",%d"', 2 * opts.fontsize);
endif
case "svg"
if (! isempty (opts.font) && ! isempty (opts.fontsize))
f = sprintf ('font "%s,%d"', opts.font, opts.fontsize * 0.75);
elseif (! isempty (opts.font))
f = sprintf ('font "%s"', opts.font);
elseif (! isempty (opts.fontsize))
f = sprintf ('font ",%d"', opts.fontsize * 0.75);
endif
case "pdf"
if (! isempty (opts.font) && ! isempty (opts.fontsize))
f = sprintf ('font "%s,%d"', opts.font, opts.fontsize);
elseif (! isempty (opts.font))
f = sprintf ('font "%s"', opts.font);
elseif (! isempty (opts.fontsize))
f = sprintf ('font ",%d"', opts.fontsize);
endif
case {"cairolatex", "epscairo", "epscairolatex", ...
"epscairolatexstandalone", "pdfcairo", "pdfcairolatex", ...
"pdfcairolatexstandalone", "pngcairo", ...
"pdflatexstandalone", "pdflatex"}
if (! isempty (opts.font) && ! isempty (opts.fontsize))
f = sprintf ('font "%s,%d"', opts.font, opts.fontsize);
elseif (! isempty (opts.font))
f = sprintf ('font "%s"', opts.font);
elseif (! isempty (opts.fontsize))
f = sprintf ('font ",%d"', opts.fontsize);
endif
case {"epslatex", "epslatexstandalone"}
if (! isempty (opts.font) && ! isempty (opts.fontsize))
f = sprintf ('font "%s,%d"', opts.font, opts.fontsize);
elseif (! isempty (opts.font))
f = sprintf ('font "%s"', opts.font);
elseif (! isempty (opts.fontsize))
f = sprintf ('font ",%d"', opts.fontsize);
endif
case "pslatex"
if (! isempty (opts.fontsize))
f = sprintf ("%d", opts.fontsize);
endif
case {"gif", "jpeg", "png"}
if (! isempty (opts.font) && ! isempty (opts.fontsize))
f = sprintf ('font "%s,%d"', opts.font, opts.fontsize);
elseif (! isempty (opts.font))
f = sprintf ('font "%s"', opts.font);
elseif (! isempty (opts.fontsize))
f = sprintf ('font ",%d"', opts.fontsize);
endif
case "emf"
if (! isempty (opts.font) && ! isempty (opts.fontsize))
f = sprintf ('font "%s,%d"', opts.font, opts.fontsize);
elseif (! isempty (opts.font))
f = sprintf ('font "%s"', opts.font);
elseif (! isempty (opts.fontsize))
f = sprintf ('font ",%d"', opts.fontsize);
endif
case "canvas"
if (! isempty (opts.fontsize))
f = sprintf ('font ",%d"', opts.fontsize);
endif
case {"aifm", "corel"}
if (! isempty (opts.font) && ! isempty (opts.fontsize))
f = sprintf ('font "%s,%d"', opts.font, opts.fontsize);
elseif (! isempty (opts.font))
f = sprintf ('font "%s"', opts.font);
elseif (! isempty (opts.fontsize))
f = sprintf ('font ",%d"', opts.fontsize);
endif
case "fig"
if (! isempty (opts.font) && ! isempty (opts.fontsize))
f = sprintf ('font "%s,%d"', opts.font, opts.fontsize);
elseif (! isempty (opts.font))
f = sprintf ('font "%s"', opts.font);
elseif (! isempty (opts.fontsize))
f = sprintf ('font ",%d"', opts.fontsize);
endif
endswitch
endfunction
function [h, fontsize] = get_figure_text_objs (opts)
h = findall (opts.figure, "-property", "fontsize");
hp = get (h, "parent");
if (iscell (hp))
hp = cell2mat (hp);
endif
## Do not change the text objects fontsizes for the children of a
## legend axes. These will be handled by the fontsize listener.
is_legend_key_string = strcmp (get (hp, "tag"), "legend") ...
& strcmp (get (hp, "type"), "axes");
h(is_legend_key_string) = [];
fontsize = get (h, "fontsize");
switch (numel (fontsize))
case 0
fontsize = {};
case 1
fontsize = {fontsize};
endswitch
endfunction
|
