1 /* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8; c-indent-level: 8 -*- */
3 * Copyright (C) 2004 Marco Pesenti Gritti
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 2, or (at your option)
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
23 #include "ev-document.h"
25 #include "ev-backend-marshalers.h"
27 static void ev_document_class_init (gpointer g_class);
30 GMutex *ev_doc_mutex = NULL;
31 GMutex *ev_fc_mutex = NULL;
34 ev_document_get_type (void)
36 static GType type = 0;
38 if (G_UNLIKELY (type == 0))
40 const GTypeInfo our_info =
42 sizeof (EvDocumentIface),
45 (GClassInitFunc)ev_document_class_init
48 type = g_type_register_static (G_TYPE_INTERFACE,
50 &our_info, (GTypeFlags)0);
57 ev_document_error_quark (void)
61 q = g_quark_from_static_string ("ev-document-error-quark");
67 ev_document_class_init (gpointer g_class)
72 ev_document_get_doc_mutex (void)
74 if (ev_doc_mutex == NULL) {
75 ev_doc_mutex = g_mutex_new ();
81 ev_document_doc_mutex_lock (void)
83 g_mutex_lock (ev_document_get_doc_mutex ());
87 ev_document_doc_mutex_unlock (void)
89 g_mutex_unlock (ev_document_get_doc_mutex ());
93 ev_document_doc_mutex_trylock (void)
95 return g_mutex_trylock (ev_document_get_doc_mutex ());
99 ev_document_get_fc_mutex (void)
101 if (ev_fc_mutex == NULL) {
102 ev_fc_mutex = g_mutex_new ();
108 ev_document_fc_mutex_lock (void)
110 g_mutex_lock (ev_document_get_fc_mutex ());
114 ev_document_fc_mutex_unlock (void)
116 g_mutex_unlock (ev_document_get_fc_mutex ());
120 ev_document_fc_mutex_trylock (void)
122 return g_mutex_trylock (ev_document_get_fc_mutex ());
126 ev_document_load (EvDocument *document,
130 EvDocumentIface *iface = EV_DOCUMENT_GET_IFACE (document);
133 retval = iface->load (document, uri, error);
139 ev_document_save (EvDocument *document,
143 EvDocumentIface *iface = EV_DOCUMENT_GET_IFACE (document);
146 retval = iface->save (document, uri, error);
152 ev_document_get_n_pages (EvDocument *document)
154 EvDocumentIface *iface = EV_DOCUMENT_GET_IFACE (document);
157 retval = iface->get_n_pages (document);
163 ev_document_get_page (EvDocument *document,
166 EvDocumentIface *iface = EV_DOCUMENT_GET_IFACE (document);
170 retval = iface->get_page (document, index);
172 retval = ev_page_new (index);
178 ev_document_get_page_size (EvDocument *document,
183 EvDocumentIface *iface = EV_DOCUMENT_GET_IFACE (document);
185 iface->get_page_size (document, page, width, height);
189 ev_document_get_page_label (EvDocument *document,
192 EvDocumentIface *iface = EV_DOCUMENT_GET_IFACE (document);
194 if (iface->get_page_label == NULL)
197 return iface->get_page_label (document, page);
201 ev_document_get_info (EvDocument *document)
203 EvDocumentIface *iface = EV_DOCUMENT_GET_IFACE (document);
205 return iface->get_info (document);
209 ev_document_has_attachments (EvDocument *document)
211 EvDocumentIface *iface = EV_DOCUMENT_GET_IFACE (document);
213 if (iface->has_attachments == NULL)
216 return iface->has_attachments (document);
220 ev_document_get_attachments (EvDocument *document)
222 EvDocumentIface *iface = EV_DOCUMENT_GET_IFACE (document);
225 if (iface->get_attachments == NULL)
227 retval = iface->get_attachments (document);
233 ev_document_render (EvDocument *document,
236 EvDocumentIface *iface = EV_DOCUMENT_GET_IFACE (document);
237 cairo_surface_t *retval;
239 g_assert (iface->render);
241 retval = iface->render (document, rc);
247 ev_document_info_free (EvDocumentInfo *info)
252 g_free (info->title);
253 g_free (info->format);
254 g_free (info->author);
255 g_free (info->subject);
256 g_free (info->keywords);
257 g_free (info->creator);
258 g_free (info->producer);
259 g_free (info->linearized);
260 g_free (info->security);
266 /* Compares two rects. returns 0 if they're equal */
267 #define EPSILON 0.0000001
270 ev_rect_cmp (EvRectangle *a,
275 if (a == NULL || b == NULL)
278 return ! ((ABS (a->x1 - b->x1) < EPSILON) &&
279 (ABS (a->y1 - b->y1) < EPSILON) &&
280 (ABS (a->x2 - b->x2) < EPSILON) &&
281 (ABS (a->y2 - b->y2) < EPSILON));