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 static void ev_document_class_init (gpointer g_class);
28 GMutex *ev_doc_mutex = NULL;
29 GMutex *ev_fc_mutex = NULL;
32 ev_document_get_type (void)
34 static GType type = 0;
36 if (G_UNLIKELY (type == 0))
38 const GTypeInfo our_info =
40 sizeof (EvDocumentIface),
43 (GClassInitFunc)ev_document_class_init
46 type = g_type_register_static (G_TYPE_INTERFACE,
48 &our_info, (GTypeFlags)0);
50 g_type_interface_add_prerequisite (type, G_TYPE_OBJECT);
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);
248 ev_document_info_get_type (void)
250 static GType type = 0;
252 type = g_boxed_type_register_static ("EvDocumentInfo",
253 (GBoxedCopyFunc)ev_document_info_copy,
254 (GBoxedFreeFunc)ev_document_info_free);
259 ev_document_info_copy (EvDocumentInfo *info)
261 EvDocumentInfo *copy;
263 g_return_val_if_fail (info != NULL, NULL);
265 copy = g_new0 (EvDocumentInfo, 1);
266 copy->title = info->title ? g_strdup (info->title) : NULL;
267 copy->format = info->format ? g_strdup (info->format) : NULL;
268 copy->author = info->author ? g_strdup (info->author) : NULL;
269 copy->subject = info->subject ? g_strdup (info->subject) : NULL;
270 copy->keywords = info->keywords ? g_strdup (info->keywords) : NULL;
271 copy->security = info->security ? g_strdup (info->security) : NULL;
272 copy->creator = info->creator ? g_strdup (info->creator) : NULL;
273 copy->producer = info->producer ? g_strdup (info->producer) : NULL;
274 copy->linearized = info->linearized ? g_strdup (info->linearized) : NULL;
276 copy->creation_date = info->creation_date;
277 copy->modified_date = info->modified_date;
278 copy->layout = info->layout;
279 copy->mode = info->mode;
280 copy->ui_hints = info->ui_hints;
281 copy->permissions = info->permissions;
282 copy->n_pages = info->n_pages;
283 copy->fields_mask = info->fields_mask;
289 ev_document_info_free (EvDocumentInfo *info)
294 g_free (info->title);
295 g_free (info->format);
296 g_free (info->author);
297 g_free (info->subject);
298 g_free (info->keywords);
299 g_free (info->creator);
300 g_free (info->producer);
301 g_free (info->linearized);
302 g_free (info->security);
308 /* Compares two rects. returns 0 if they're equal */
309 #define EPSILON 0.0000001
312 ev_rect_cmp (EvRectangle *a,
317 if (a == NULL || b == NULL)
320 return ! ((ABS (a->x1 - b->x1) < EPSILON) &&
321 (ABS (a->y1 - b->y1) < EPSILON) &&
322 (ABS (a->x2 - b->x2) < EPSILON) &&
323 (ABS (a->y2 - b->y2) < EPSILON));