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
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
|
// SPDX-License-Identifier: GPL-2.0-or-later
/*
* A quick hack to use the Cairo renderer to write out a file. This
* then makes 'save as...' PS.
*
* Authors:
* Ted Gould <ted@gould.cx>
* Ulf Erikson <ulferikson@users.sf.net>
* Adib Taraben <theAdib@gmail.com>
* Jon A. Cruz <jon@joncruz.org>
* Abhishek Sharma
*
* Copyright (C) 2004-2006 Authors
*
* Released under GNU GPL v2+, read the file 'COPYING' for more information.
*/
#include <cairo.h>
#ifdef CAIRO_HAS_PS_SURFACE
#include "cairo-ps.h"
#include "cairo-ps-out.h"
#include "cairo-render-context.h"
#include "cairo-renderer.h"
#include "latex-text-renderer.h"
#include "path-chemistry.h"
#include <print.h>
#include "extension/system.h"
#include "extension/print.h"
#include "extension/db.h"
#include "extension/output.h"
#include "display/drawing.h"
#include "display/curve.h"
#include "object/sp-item.h"
#include "object/sp-root.h"
#include "io/sys.h"
#include "document.h"
namespace Inkscape {
namespace Extension {
namespace Internal {
bool CairoPsOutput::check (Inkscape::Extension::Extension * /*module*/)
{
if (nullptr == Inkscape::Extension::db.get(SP_MODULE_KEY_PRINT_CAIRO_PS)) {
return FALSE;
} else {
return TRUE;
}
}
bool CairoEpsOutput::check (Inkscape::Extension::Extension * /*module*/)
{
if (nullptr == Inkscape::Extension::db.get(SP_MODULE_KEY_PRINT_CAIRO_EPS)) {
return FALSE;
} else {
return TRUE;
}
}
static bool
ps_print_document_to_file(SPDocument *doc, gchar const *filename, unsigned int level, bool texttopath, bool omittext,
bool filtertobitmap, int resolution, const gchar * const exportId, bool exportDrawing, bool exportCanvas, double bleedmargin_px, bool eps = false)
{
if (texttopath) {
assert(!omittext);
// Cairo's text-to-path method has numerical precision and font matching
// issues (https://gitlab.com/inkscape/inkscape/-/issues/1979).
// We get better results by using Inkscape's Object-to-Path method.
Inkscape::convert_text_to_curves(doc);
}
doc->ensureUpToDate();
SPRoot *root = doc->getRoot();
SPItem *base = nullptr;
bool pageBoundingBox = TRUE;
if (exportId && strcmp(exportId, "")) {
// we want to export the given item only
base = SP_ITEM(doc->getObjectById(exportId));
if (!base) {
throw Inkscape::Extension::Output::export_id_not_found(exportId);
}
root->cropToObject(base); // TODO: This is inconsistent in CLI (should only happen for --export-id-only)
pageBoundingBox = exportCanvas;
}
else {
// we want to export the entire document from root
base = root;
pageBoundingBox = !exportDrawing;
}
if (!base)
return false;
Inkscape::Drawing drawing;
unsigned dkey = SPItem::display_key_new(1);
root->invoke_show(drawing, dkey, SP_ITEM_SHOW_DISPLAY);
/* Create renderer and context */
CairoRenderer *renderer = new CairoRenderer();
CairoRenderContext *ctx = renderer->createContext();
ctx->setPSLevel(level);
ctx->setEPS(eps);
ctx->setTextToPath(texttopath);
ctx->setOmitText(omittext);
ctx->setFilterToBitmap(filtertobitmap);
ctx->setBitmapResolution(resolution);
bool ret = ctx->setPsTarget(filename);
if(ret) {
/* Render document */
ret = renderer->setupDocument(ctx, doc, pageBoundingBox, bleedmargin_px, base);
if (ret) {
renderer->renderItem(ctx, root);
ret = ctx->finish();
}
}
root->invoke_hide(dkey);
renderer->destroyContext(ctx);
delete renderer;
return ret;
}
/**
\brief This function calls the output module with the filename
\param mod unused
\param doc Document to be saved
\param filename Filename to save to (probably will end in .ps)
*/
void
CairoPsOutput::save(Inkscape::Extension::Output *mod, SPDocument *doc, gchar const *filename)
{
Inkscape::Extension::Extension * ext;
unsigned int ret;
ext = Inkscape::Extension::db.get(SP_MODULE_KEY_PRINT_CAIRO_PS);
if (ext == nullptr)
return;
int level = CAIRO_PS_LEVEL_2;
try {
const gchar *new_level = mod->get_param_optiongroup("PSlevel");
if((new_level != nullptr) && (g_ascii_strcasecmp("PS3", new_level) == 0)) {
level = CAIRO_PS_LEVEL_3;
}
} catch(...) {}
bool new_textToPath = FALSE;
try {
new_textToPath = (strcmp(mod->get_param_optiongroup("textToPath"), "paths") == 0);
} catch(...) {}
bool new_textToLaTeX = FALSE;
try {
new_textToLaTeX = (strcmp(mod->get_param_optiongroup("textToPath"), "LaTeX") == 0);
}
catch(...) {
g_warning("Parameter <textToLaTeX> might not exist");
}
bool new_blurToBitmap = FALSE;
try {
new_blurToBitmap = mod->get_param_bool("blurToBitmap");
} catch(...) {}
int new_bitmapResolution = 72;
try {
new_bitmapResolution = mod->get_param_int("resolution");
} catch(...) {}
bool new_areaPage = true;
try {
new_areaPage = (strcmp(mod->get_param_optiongroup("area"), "page") == 0);
} catch(...) {}
bool new_areaDrawing = !new_areaPage;
double bleedmargin_px = 0.;
try {
bleedmargin_px = mod->get_param_float("bleed");
} catch(...) {}
const gchar *new_exportId = nullptr;
try {
new_exportId = mod->get_param_string("exportId");
} catch(...) {}
// Create PS
{
gchar * final_name;
final_name = g_strdup_printf("> %s", filename);
ret = ps_print_document_to_file(doc, final_name, level, new_textToPath,
new_textToLaTeX, new_blurToBitmap,
new_bitmapResolution, new_exportId,
new_areaDrawing, new_areaPage,
bleedmargin_px);
g_free(final_name);
if (!ret)
throw Inkscape::Extension::Output::save_failed();
}
// Create LaTeX file (if requested)
if (new_textToLaTeX) {
ret = latex_render_document_text_to_file(doc, filename, new_exportId, new_areaDrawing, new_areaPage, 0., false);
if (!ret)
throw Inkscape::Extension::Output::save_failed();
}
}
/**
\brief This function calls the output module with the filename
\param mod unused
\param doc Document to be saved
\param filename Filename to save to (probably will end in .ps)
*/
void
CairoEpsOutput::save(Inkscape::Extension::Output *mod, SPDocument *doc, gchar const *filename)
{
Inkscape::Extension::Extension * ext;
unsigned int ret;
ext = Inkscape::Extension::db.get(SP_MODULE_KEY_PRINT_CAIRO_EPS);
if (ext == nullptr)
return;
int level = CAIRO_PS_LEVEL_2;
try {
const gchar *new_level = mod->get_param_optiongroup("PSlevel");
if((new_level != nullptr) && (g_ascii_strcasecmp("PS3", new_level) == 0)) {
level = CAIRO_PS_LEVEL_3;
}
} catch(...) {}
bool new_textToPath = FALSE;
try {
new_textToPath = (strcmp(mod->get_param_optiongroup("textToPath"), "paths") == 0);
} catch(...) {}
bool new_textToLaTeX = FALSE;
try {
new_textToLaTeX = (strcmp(mod->get_param_optiongroup("textToPath"), "LaTeX") == 0);
}
catch(...) {
g_warning("Parameter <textToLaTeX> might not exist");
}
bool new_blurToBitmap = FALSE;
try {
new_blurToBitmap = mod->get_param_bool("blurToBitmap");
} catch(...) {}
int new_bitmapResolution = 72;
try {
new_bitmapResolution = mod->get_param_int("resolution");
} catch(...) {}
bool new_areaPage = true;
try {
new_areaPage = (strcmp(mod->get_param_optiongroup("area"), "page") == 0);
} catch(...) {}
bool new_areaDrawing = !new_areaPage;
double bleedmargin_px = 0.;
try {
bleedmargin_px = mod->get_param_float("bleed");
} catch(...) {}
const gchar *new_exportId = nullptr;
try {
new_exportId = mod->get_param_string("exportId");
} catch(...) {}
// Create EPS
{
gchar * final_name;
final_name = g_strdup_printf("> %s", filename);
ret = ps_print_document_to_file(doc, final_name, level, new_textToPath,
new_textToLaTeX, new_blurToBitmap,
new_bitmapResolution, new_exportId,
new_areaDrawing, new_areaPage,
bleedmargin_px, true);
g_free(final_name);
if (!ret)
throw Inkscape::Extension::Output::save_failed();
}
// Create LaTeX file (if requested)
if (new_textToLaTeX) {
ret = latex_render_document_text_to_file(doc, filename, new_exportId, new_areaDrawing, new_areaPage, 0., false);
if (!ret)
throw Inkscape::Extension::Output::save_failed();
}
}
bool
CairoPsOutput::textToPath(Inkscape::Extension::Print * ext)
{
return ext->get_param_bool("textToPath");
}
bool
CairoEpsOutput::textToPath(Inkscape::Extension::Print * ext)
{
return ext->get_param_bool("textToPath");
}
#include "clear-n_.h"
/**
\brief A function allocate a copy of this function.
This is the definition of Cairo PS out. This function just
calls the extension system with the memory allocated XML that
describes the data.
*/
void
CairoPsOutput::init ()
{
// clang-format off
Inkscape::Extension::build_from_mem(
"<inkscape-extension xmlns=\"" INKSCAPE_EXTENSION_URI "\">\n"
"<name>" N_("PostScript") "</name>\n"
"<id>" SP_MODULE_KEY_PRINT_CAIRO_PS "</id>\n"
"<param name=\"PSlevel\" gui-text=\"" N_("Restrict to PS level:") "\" type=\"optiongroup\" appearance=\"combo\" >\n"
"<option value='PS3'>" N_("PostScript level 3") "</option>\n"
"<option value='PS2'>" N_("PostScript level 2") "</option>\n"
"</param>\n"
"<param name=\"textToPath\" gui-text=\"" N_("Text output options:") "\" type=\"optiongroup\" appearance=\"radio\">\n"
"<option value=\"embed\">" N_("Embed fonts") "</option>\n"
"<option value=\"paths\">" N_("Convert text to paths") "</option>\n"
"<option value=\"LaTeX\">" N_("Omit text in PDF and create LaTeX file") "</option>\n"
"</param>\n"
"<param name=\"blurToBitmap\" gui-text=\"" N_("Rasterize filter effects") "\" type=\"bool\">true</param>\n"
"<param name=\"resolution\" gui-text=\"" N_("Resolution for rasterization (dpi):") "\" type=\"int\" min=\"1\" max=\"10000\">96</param>\n"
"<param name=\"area\" gui-text=\"" N_("Output page size") "\" type=\"optiongroup\" appearance=\"radio\" >\n"
"<option value=\"page\">" N_("Use document's page size") "</option>"
"<option value=\"drawing\">" N_("Use exported object's size") "</option>"
"</param>"
"<param name=\"bleed\" gui-text=\"" N_("Bleed/margin (mm):") "\" type=\"float\" min=\"-10000\" max=\"10000\">0</param>\n"
"<param name=\"exportId\" gui-text=\"" N_("Limit export to the object with ID:") "\" type=\"string\"></param>\n"
"<output>\n"
"<extension>.ps</extension>\n"
"<mimetype>image/x-postscript</mimetype>\n"
"<filetypename>" N_("PostScript (*.ps)") "</filetypename>\n"
"<filetypetooltip>" N_("PostScript File") "</filetypetooltip>\n"
"</output>\n"
"</inkscape-extension>", new CairoPsOutput());
// clang-format on
return;
}
/**
\brief A function allocate a copy of this function.
This is the definition of Cairo EPS out. This function just
calls the extension system with the memory allocated XML that
describes the data.
*/
void
CairoEpsOutput::init ()
{
// clang-format off
Inkscape::Extension::build_from_mem(
"<inkscape-extension xmlns=\"" INKSCAPE_EXTENSION_URI "\">\n"
"<name>" N_("Encapsulated PostScript") "</name>\n"
"<id>" SP_MODULE_KEY_PRINT_CAIRO_EPS "</id>\n"
"<param name=\"PSlevel\" gui-text=\"" N_("Restrict to PS level:") "\" type=\"optiongroup\" appearance=\"combo\" >\n"
"<option value='PS3'>" N_("PostScript level 3") "</option>\n"
"<option value='PS2'>" N_("PostScript level 2") "</option>\n"
"</param>\n"
"<param name=\"textToPath\" gui-text=\"" N_("Text output options:") "\" type=\"optiongroup\" appearance=\"radio\">\n"
"<option value=\"embed\">" N_("Embed fonts") "</option>\n"
"<option value=\"paths\">" N_("Convert text to paths") "</option>\n"
"<option value=\"LaTeX\">" N_("Omit text in PDF and create LaTeX file") "</option>\n"
"</param>\n"
"<param name=\"blurToBitmap\" gui-text=\"" N_("Rasterize filter effects") "\" type=\"bool\">true</param>\n"
"<param name=\"resolution\" gui-text=\"" N_("Resolution for rasterization (dpi):") "\" type=\"int\" min=\"1\" max=\"10000\">96</param>\n"
"<param name=\"area\" gui-text=\"" N_("Output page size") "\" type=\"optiongroup\" appearance=\"radio\" >\n"
"<option value=\"page\">" N_("Use document's page size") "</option>"
"<option value=\"drawing\">" N_("Use exported object's size") "</option>"
"</param>"
"<param name=\"bleed\" gui-text=\"" N_("Bleed/margin (mm)") "\" type=\"float\" min=\"-10000\" max=\"10000\">0</param>\n"
"<param name=\"exportId\" gui-text=\"" N_("Limit export to the object with ID:") "\" type=\"string\"></param>\n"
"<output>\n"
"<extension>.eps</extension>\n"
"<mimetype>image/x-e-postscript</mimetype>\n"
"<filetypename>" N_("Encapsulated PostScript (*.eps)") "</filetypename>\n"
"<filetypetooltip>" N_("Encapsulated PostScript File") "</filetypetooltip>\n"
"</output>\n"
"</inkscape-extension>", new CairoEpsOutput());
// clang-format on
return;
}
} } } /* namespace Inkscape, Extension, Implementation */
#endif /* HAVE_CAIRO_PDF */
|
