1 /*\r
2 * A quick hack to use the print output to write out a file. This\r
3 * then makes 'save as...' PDF.\r
4 *\r
5 * Authors:\r
6 * Ted Gould <ted@gould.cx>\r
7 * Ulf Erikson <ulferikson@users.sf.net>\r
8 *\r
9 * Copyright (C) 2004-2006 Authors\r
10 *\r
11 * Released under GNU GPL, read the file 'COPYING' for more information\r
12 */\r
13 \r
14 #ifdef HAVE_CONFIG_H\r
15 # include <config.h>\r
16 #endif\r
17 #include "pdf-out.h"\r
18 #include <print.h>\r
19 #include "extension/system.h"\r
20 #include "extension/print.h"\r
21 #include "extension/db.h"\r
22 #include "extension/output.h"\r
23 #include "display/nr-arena.h"\r
24 #include "display/nr-arena-item.h"\r
25 #include "sp-path.h"\r
26 \r
27 namespace Inkscape {\r
28 namespace Extension {\r
29 namespace Internal {\r
30 \r
31 bool\r
32 PdfOutput::check (Inkscape::Extension::Extension * module)\r
33 {\r
34 if (NULL == Inkscape::Extension::db.get(SP_MODULE_KEY_PRINT_PDF))\r
35 return FALSE;\r
36 \r
37 return TRUE;\r
38 }\r
39 \r
40 \r
41 static void\r
42 pdf_print_document_to_file(SPDocument *doc, gchar const *filename)\r
43 {\r
44 Inkscape::Extension::Print *mod;\r
45 SPPrintContext context;\r
46 gchar const *oldconst;\r
47 gchar *oldoutput;\r
48 unsigned int ret;\r
49 \r
50 sp_document_ensure_up_to_date(doc);\r
51 \r
52 mod = Inkscape::Extension::get_print(SP_MODULE_KEY_PRINT_PDF);\r
53 oldconst = mod->get_param_string("destination");\r
54 oldoutput = g_strdup(oldconst);\r
55 mod->set_param_string("destination", (gchar *)filename);\r
56 \r
57 /* Start */\r
58 context.module = mod;\r
59 /* fixme: This has to go into module constructor somehow */\r
60 /* Create new arena */\r
61 mod->base = SP_ITEM(sp_document_root(doc));\r
62 mod->arena = NRArena::create();\r
63 mod->dkey = sp_item_display_key_new(1);\r
64 mod->root = sp_item_invoke_show(mod->base, mod->arena, mod->dkey, SP_ITEM_SHOW_DISPLAY);\r
65 /* Print document */\r
66 ret = mod->begin(doc);\r
67 sp_item_invoke_print(mod->base, &context);\r
68 ret = mod->finish();\r
69 /* Release arena */\r
70 sp_item_invoke_hide(mod->base, mod->dkey);\r
71 mod->base = NULL;\r
72 nr_arena_item_unref(mod->root);\r
73 mod->root = NULL;\r
74 nr_object_unref((NRObject *) mod->arena);\r
75 mod->arena = NULL;\r
76 /* end */\r
77 \r
78 mod->set_param_string("destination", oldoutput);\r
79 g_free(oldoutput);\r
80 \r
81 return;\r
82 }\r
83 \r
84 \r
85 /**\r
86 \brief This function calls the print system with the filename\r
87 \param mod unused\r
88 \param doc Document to be saved\r
89 \param uri Filename to save to (probably will end in .pdf)\r
90 \r
91 The most interesting thing that this function does is just attach\r
92 an '>' on the front of the filename. This is the syntax used to\r
93 tell the printing system to save to file.\r
94 */\r
95 void\r
96 PdfOutput::save (Inkscape::Extension::Output *mod, SPDocument *doc, const gchar *uri)\r
97 {\r
98 Inkscape::Extension::Extension * ext;\r
99 \r
100 ext = Inkscape::Extension::db.get(SP_MODULE_KEY_PRINT_PDF);\r
101 if (ext == NULL)\r
102 return;\r
103 \r
104 bool old_textToPath = ext->get_param_bool("textToPath");\r
105 bool new_val = mod->get_param_bool("textToPath");\r
106 ext->set_param_bool("textToPath", new_val);\r
107 \r
108 gchar * final_name;\r
109 final_name = g_strdup_printf("> %s", uri);\r
110 pdf_print_document_to_file(doc, final_name);\r
111 g_free(final_name);\r
112 \r
113 ext->set_param_bool("textToPath", old_textToPath);\r
114 \r
115 return;\r
116 }\r
117 \r
118 /**\r
119 \brief A function allocate a copy of this function.\r
120 \r
121 This is the definition of PDF out. This function just\r
122 calls the extension system with the memory allocated XML that\r
123 describes the data.\r
124 */\r
125 void\r
126 PdfOutput::init (void)\r
127 {\r
128 Inkscape::Extension::build_from_mem(\r
129 "<inkscape-extension>\n"\r
130 "<name>PDF Output</name>\n"\r
131 "<id>org.inkscape.output.pdf</id>\n"\r
132 "<param name=\"textToPath\" gui-text=\"Text to Path\" type=\"boolean\">true</param>\n"\r
133 "<output>\n"\r
134 "<extension>.pdf</extension>\n"\r
135 "<mimetype>application/pdf</mimetype>\n"\r
136 "<filetypename>PDF (*.pdf)</filetypename>\n"\r
137 "<filetypetooltip>PDF File</filetypetooltip>\n"\r
138 "</output>\n"\r
139 "</inkscape-extension>", new PdfOutput());\r
140 \r
141 return;\r
142 }\r
143 \r
144 } } } /* namespace Inkscape, Extension, Implementation */\r