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 "cairo-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 CairoPdfOutput::check (Inkscape::Extension::Extension * module)\r
33 {\r
34 if (NULL == Inkscape::Extension::db.get(SP_MODULE_KEY_PRINT_CAIRO_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_CAIRO_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 CairoPdfOutput::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_CAIRO_PDF);\r
101 if (ext == NULL)\r
102 return;\r
103 \r
104 gchar * final_name;\r
105 final_name = g_strdup_printf("> %s", uri);\r
106 pdf_print_document_to_file(doc, final_name);\r
107 g_free(final_name);\r
108 \r
109 return;\r
110 }\r
111 \r
112 /**\r
113 \brief A function allocate a copy of this function.\r
114 \r
115 This is the definition of PDF out. This function just\r
116 calls the extension system with the memory allocated XML that\r
117 describes the data.\r
118 */\r
119 void\r
120 CairoPdfOutput::init (void)\r
121 {\r
122 Inkscape::Extension::build_from_mem(\r
123 "<inkscape-extension>\n"\r
124 "<name>Cairo PDF Output</name>\n"\r
125 "<id>org.inkscape.output.pdf.cairo</id>\n"\r
126 "<output>\n"\r
127 "<extension>.pdf</extension>\n"\r
128 "<mimetype>application/pdf</mimetype>\n"\r
129 "<filetypename>Cairo PDF (*.pdf)</filetypename>\n"\r
130 "<filetypetooltip>PDF File</filetypetooltip>\n"\r
131 "</output>\n"\r
132 "</inkscape-extension>", new CairoPdfOutput());\r
133 \r
134 return;\r
135 }\r
136 \r
137 } } } /* namespace Inkscape, Extension, Implementation */\r