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);
52 g_type_interface_add_prerequisite (type, G_TYPE_OBJECT);
59 ev_document_error_quark (void)
63 q = g_quark_from_static_string ("ev-document-error-quark");
69 ev_document_class_init (gpointer g_class)
74 ev_document_get_doc_mutex (void)
76 if (ev_doc_mutex == NULL) {
77 ev_doc_mutex = g_mutex_new ();
83 ev_document_doc_mutex_lock (void)
85 g_mutex_lock (ev_document_get_doc_mutex ());
89 ev_document_doc_mutex_unlock (void)
91 g_mutex_unlock (ev_document_get_doc_mutex ());
95 ev_document_doc_mutex_trylock (void)
97 return g_mutex_trylock (ev_document_get_doc_mutex ());
101 ev_document_get_fc_mutex (void)
103 if (ev_fc_mutex == NULL) {
104 ev_fc_mutex = g_mutex_new ();
110 ev_document_fc_mutex_lock (void)
112 g_mutex_lock (ev_document_get_fc_mutex ());
116 ev_document_fc_mutex_unlock (void)
118 g_mutex_unlock (ev_document_get_fc_mutex ());
122 ev_document_fc_mutex_trylock (void)
124 return g_mutex_trylock (ev_document_get_fc_mutex ());
128 ev_document_load (EvDocument *document,
132 EvDocumentIface *iface = EV_DOCUMENT_GET_IFACE (document);
135 retval = iface->load (document, uri, error);
141 ev_document_save (EvDocument *document,
145 EvDocumentIface *iface = EV_DOCUMENT_GET_IFACE (document);
148 retval = iface->save (document, uri, error);
154 ev_document_get_n_pages (EvDocument *document)
156 EvDocumentIface *iface = EV_DOCUMENT_GET_IFACE (document);
159 retval = iface->get_n_pages (document);
165 ev_document_get_page (EvDocument *document,
168 EvDocumentIface *iface = EV_DOCUMENT_GET_IFACE (document);
172 retval = iface->get_page (document, index);
174 retval = ev_page_new (index);
180 ev_document_get_page_size (EvDocument *document,
185 EvDocumentIface *iface = EV_DOCUMENT_GET_IFACE (document);
187 iface->get_page_size (document, page, width, height);
191 ev_document_get_page_label (EvDocument *document,
194 EvDocumentIface *iface = EV_DOCUMENT_GET_IFACE (document);
196 if (iface->get_page_label == NULL)
199 return iface->get_page_label (document, page);
203 ev_document_get_info (EvDocument *document)
205 EvDocumentIface *iface = EV_DOCUMENT_GET_IFACE (document);
207 return iface->get_info (document);
211 ev_document_has_attachments (EvDocument *document)
213 EvDocumentIface *iface = EV_DOCUMENT_GET_IFACE (document);
215 if (iface->has_attachments == NULL)
218 return iface->has_attachments (document);
222 ev_document_get_attachments (EvDocument *document)
224 EvDocumentIface *iface = EV_DOCUMENT_GET_IFACE (document);
227 if (iface->get_attachments == NULL)
229 retval = iface->get_attachments (document);
235 ev_document_render (EvDocument *document,
238 EvDocumentIface *iface = EV_DOCUMENT_GET_IFACE (document);
239 cairo_surface_t *retval;
241 g_assert (iface->render);
243 retval = iface->render (document, rc);
249 ev_document_info_free (EvDocumentInfo *info)
254 g_free (info->title);
255 g_free (info->format);
256 g_free (info->author);
257 g_free (info->subject);
258 g_free (info->keywords);
259 g_free (info->creator);
260 g_free (info->producer);
261 g_free (info->linearized);
262 g_free (info->security);
268 /* Compares two rects. returns 0 if they're equal */
269 #define EPSILON 0.0000001
272 ev_rect_cmp (EvRectangle *a,
277 if (a == NULL || b == NULL)
280 return ! ((ABS (a->x1 - b->x1) < EPSILON) &&
281 (ABS (a->y1 - b->y1) < EPSILON) &&
282 (ABS (a->x2 - b->x2) < EPSILON) &&
283 (ABS (a->y2 - b->y2) < EPSILON));