1 /*
2 * A quick hack to use the print output to write out a file. This
3 * then makes 'save as...' PDF.
4 *
5 * Authors:
6 * Ted Gould <ted@gould.cx>
7 * Ulf Erikson <ulferikson@users.sf.net>
8 *
9 * Copyright (C) 2004-2006 Authors
10 *
11 * Released under GNU GPL, read the file 'COPYING' for more information
12 */
14 #ifdef HAVE_CONFIG_H
15 # include <config.h>
16 #endif
18 #ifdef HAVE_CAIRO_PDF
20 #include "cairo-pdf-out.h"
21 #include <print.h>
22 #include "extension/system.h"
23 #include "extension/print.h"
24 #include "extension/db.h"
25 #include "extension/output.h"
26 #include "display/nr-arena.h"
27 #include "display/nr-arena-item.h"
28 #include "sp-path.h"
30 namespace Inkscape {
31 namespace Extension {
32 namespace Internal {
34 bool
35 CairoPdfOutput::check (Inkscape::Extension::Extension * module)
36 {
37 if (NULL == Inkscape::Extension::db.get(SP_MODULE_KEY_PRINT_CAIRO_PDF))
38 return FALSE;
40 return TRUE;
41 }
44 static unsigned int
45 pdf_print_document_to_file(SPDocument *doc, gchar const *filename, unsigned int pdf_level, bool texttopath, bool filtertobitmap)
46 {
47 Inkscape::Extension::Print *mod;
48 SPPrintContext context;
49 gchar const *oldconst;
50 gchar *oldoutput;
51 unsigned int ret;
53 sp_document_ensure_up_to_date(doc);
55 mod = Inkscape::Extension::get_print(SP_MODULE_KEY_PRINT_CAIRO_PDF);
56 oldconst = mod->get_param_string("destination");
57 oldoutput = g_strdup(oldconst);
58 mod->set_param_string("destination", (gchar *)filename);
60 /* Start */
61 context.module = mod;
62 /* fixme: This has to go into module constructor somehow */
63 /* Create new arena */
64 mod->base = SP_ITEM(sp_document_root(doc));
65 mod->arena = NRArena::create();
66 mod->dkey = sp_item_display_key_new(1);
67 mod->root = sp_item_invoke_show(mod->base, mod->arena, mod->dkey, SP_ITEM_SHOW_DISPLAY);
69 /* Print document */
70 ret = mod->begin(doc);
71 if (ret) {
72 sp_item_invoke_print(mod->base, &context);
73 ret = mod->finish();
74 }
76 /* Release arena */
77 sp_item_invoke_hide(mod->base, mod->dkey);
78 mod->base = NULL;
79 nr_arena_item_unref(mod->root);
80 mod->root = NULL;
81 nr_object_unref((NRObject *) mod->arena);
82 mod->arena = NULL;
83 /* end */
85 mod->set_param_string("destination", oldoutput);
86 g_free(oldoutput);
88 return ret;
89 }
92 /**
93 \brief This function calls the print system with the filename
94 \param mod unused
95 \param doc Document to be saved
96 \param uri Filename to save to (probably will end in .pdf)
98 The most interesting thing that this function does is just attach
99 an '>' on the front of the filename. This is the syntax used to
100 tell the printing system to save to file.
101 */
102 void
103 CairoPdfOutput::save (Inkscape::Extension::Output *mod, SPDocument *doc, const gchar *uri)
104 {
105 Inkscape::Extension::Extension * ext;
106 unsigned int ret;
108 ext = Inkscape::Extension::db.get(SP_MODULE_KEY_PRINT_CAIRO_PDF);
109 if (ext == NULL)
110 return;
112 bool old_textToPath = ext->get_param_bool("textToPath");
113 bool new_textToPath = mod->get_param_bool("textToPath");
114 ext->set_param_bool("textToPath", new_textToPath);
116 bool old_blurToBitmap = ext->get_param_bool("blurToBitmap");
117 bool new_blurToBitmap = mod->get_param_bool("blurToBitmap");
118 ext->set_param_bool("blurToBitmap", new_blurToBitmap);
120 gchar * final_name;
121 final_name = g_strdup_printf("> %s", uri);
122 ret = pdf_print_document_to_file(doc, final_name, 0, new_textToPath, new_blurToBitmap);
123 g_free(final_name);
125 if (!ret)
126 throw Inkscape::Extension::Output::save_failed();
128 return;
129 }
131 #include "clear-n_.h"
132 /**
133 \brief A function allocate a copy of this function.
135 This is the definition of PDF out. This function just
136 calls the extension system with the memory allocated XML that
137 describes the data.
138 */
139 void
140 CairoPdfOutput::init (void)
141 {
142 Inkscape::Extension::build_from_mem(
143 "<inkscape-extension>\n"
144 "<name>Cairo PDF Output</name>\n"
145 "<id>org.inkscape.output.pdf.cairo</id>\n"
146 "<param name=\"PDFversion\" gui-text=\"" N_("Restrict to PDF version") "\" type=\"enum\" >\n"
147 "<item value='PDF14'>" N_("PDF 1.4") "</item>\n"
148 "</param>\n"
149 "<param name=\"textToPath\" gui-text=\"" N_("Convert texts to paths") "\" type=\"boolean\">true</param>\n"
150 "<param name=\"blurToBitmap\" gui-text=\"" N_("Convert blur effects to bitmaps") "\" type=\"boolean\">false</param>\n"
151 "<output>\n"
152 "<extension>.pdf</extension>\n"
153 "<mimetype>application/pdf</mimetype>\n"
154 "<filetypename>PDF via Cairo (*.pdf)</filetypename>\n"
155 "<filetypetooltip>PDF File</filetypetooltip>\n"
156 "</output>\n"
157 "</inkscape-extension>", new CairoPdfOutput());
159 return;
160 }
162 } } } /* namespace Inkscape, Extension, Implementation */
164 #endif /* HAVE_CAIRO_PDF */