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;
35 ev_document_get_type (void)
37 static GType type = 0;
39 if (G_UNLIKELY (type == 0))
41 const GTypeInfo our_info =
43 sizeof (EvDocumentIface),
46 (GClassInitFunc)ev_document_class_init
49 type = g_type_register_static (G_TYPE_INTERFACE,
51 &our_info, (GTypeFlags)0);
58 ev_document_error_quark (void)
62 q = g_quark_from_static_string ("ev-document-error-quark");
68 ev_document_class_init (gpointer g_class)
73 ev_document_get_doc_mutex (void)
75 if (ev_doc_mutex == NULL) {
76 ev_doc_mutex = g_mutex_new ();
82 ev_document_doc_mutex_lock (void)
84 g_mutex_lock (ev_document_get_doc_mutex ());
88 ev_document_doc_mutex_unlock (void)
90 g_mutex_unlock (ev_document_get_doc_mutex ());
94 ev_document_get_fc_mutex (void)
96 if (ev_fc_mutex == NULL) {
97 ev_fc_mutex = g_mutex_new ();
103 ev_document_fc_mutex_lock (void)
105 g_mutex_lock (ev_document_get_fc_mutex ());
109 ev_document_fc_mutex_unlock (void)
111 g_mutex_unlock (ev_document_get_fc_mutex ());
115 ev_document_load (EvDocument *document,
119 EvDocumentIface *iface = EV_DOCUMENT_GET_IFACE (document);
121 LOG ("ev_document_load");
122 retval = iface->load (document, uri, error);
128 ev_document_save (EvDocument *document,
132 EvDocumentIface *iface = EV_DOCUMENT_GET_IFACE (document);
135 LOG ("ev_document_save");
136 retval = iface->save (document, uri, error);
142 ev_document_get_n_pages (EvDocument *document)
144 EvDocumentIface *iface = EV_DOCUMENT_GET_IFACE (document);
147 LOG ("ev_document_get_n_pages");
148 retval = iface->get_n_pages (document);
154 ev_document_get_page_size (EvDocument *document,
159 EvDocumentIface *iface = EV_DOCUMENT_GET_IFACE (document);
161 LOG ("ev_document_get_page_size");
162 iface->get_page_size (document, page, width, height);
166 ev_document_get_page_label(EvDocument *document,
169 EvDocumentIface *iface = EV_DOCUMENT_GET_IFACE (document);
171 LOG ("ev_document_get_page_label");
172 if (iface->get_page_label == NULL)
175 return iface->get_page_label (document, page);
179 ev_document_can_get_text (EvDocument *document)
181 EvDocumentIface *iface = EV_DOCUMENT_GET_IFACE (document);
183 return iface->can_get_text (document);
187 ev_document_get_info (EvDocument *document)
189 EvDocumentIface *iface = EV_DOCUMENT_GET_IFACE (document);
191 return iface->get_info (document);
195 ev_document_get_text (EvDocument *document,
199 EvDocumentIface *iface = EV_DOCUMENT_GET_IFACE (document);
202 LOG ("ev_document_get_text");
203 retval = iface->get_text (document, page, rect);
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 LOG ("ev_document_get_attachments");
226 if (iface->get_attachments == NULL)
228 retval = iface->get_attachments (document);
234 ev_document_render (EvDocument *document,
237 EvDocumentIface *iface = EV_DOCUMENT_GET_IFACE (document);
238 cairo_surface_t *retval;
240 LOG ("ev_document_render_pixbuf");
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->security);
265 /* Compares two rects. returns 0 if they're equal */
266 #define EPSILON 0.0000001
269 ev_rect_cmp (EvRectangle *a,
274 if (a == NULL || b == NULL)
277 return ! ((ABS (a->x1 - b->x1) < EPSILON) &&
278 (ABS (a->y1 - b->y1) < EPSILON) &&
279 (ABS (a->x2 - b->x2) < EPSILON) &&
280 (ABS (a->y2 - b->y2) < EPSILON));