diff options
Diffstat (limited to 'libdocument/ev-document.c')
| -rw-r--r-- | libdocument/ev-document.c | 281 |
1 files changed, 281 insertions, 0 deletions
diff --git a/libdocument/ev-document.c b/libdocument/ev-document.c new file mode 100644 index 0000000..a951bfa --- /dev/null +++ b/libdocument/ev-document.c @@ -0,0 +1,281 @@ +/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8; c-indent-level: 8 -*- */ +/* + * Copyright (C) 2004 Marco Pesenti Gritti + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2, or (at your option) + * any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + * + */ + +#include "config.h" + +#include "ev-document.h" + +#include "ev-backend-marshalers.h" + +static void ev_document_class_init (gpointer g_class); + + +GMutex *ev_doc_mutex = NULL; +GMutex *ev_fc_mutex = NULL; + +#define LOG(x) +GType +ev_document_get_type (void) +{ + static GType type = 0; + + if (G_UNLIKELY (type == 0)) + { + const GTypeInfo our_info = + { + sizeof (EvDocumentIface), + NULL, + NULL, + (GClassInitFunc)ev_document_class_init + }; + + type = g_type_register_static (G_TYPE_INTERFACE, + "EvDocument", + &our_info, (GTypeFlags)0); + } + + return type; +} + +GQuark +ev_document_error_quark (void) +{ + static GQuark q = 0; + if (q == 0) + q = g_quark_from_static_string ("ev-document-error-quark"); + + return q; +} + +static void +ev_document_class_init (gpointer g_class) +{ +} + +GMutex * +ev_document_get_doc_mutex (void) +{ + if (ev_doc_mutex == NULL) { + ev_doc_mutex = g_mutex_new (); + } + return ev_doc_mutex; +} + +void +ev_document_doc_mutex_lock (void) +{ + g_mutex_lock (ev_document_get_doc_mutex ()); +} + +void +ev_document_doc_mutex_unlock (void) +{ + g_mutex_unlock (ev_document_get_doc_mutex ()); +} + +GMutex * +ev_document_get_fc_mutex (void) +{ + if (ev_fc_mutex == NULL) { + ev_fc_mutex = g_mutex_new (); + } + return ev_fc_mutex; +} + +void +ev_document_fc_mutex_lock (void) +{ + g_mutex_lock (ev_document_get_fc_mutex ()); +} + +void +ev_document_fc_mutex_unlock (void) +{ + g_mutex_unlock (ev_document_get_fc_mutex ()); +} + +gboolean +ev_document_load (EvDocument *document, + const char *uri, + GError **error) +{ + EvDocumentIface *iface = EV_DOCUMENT_GET_IFACE (document); + gboolean retval; + LOG ("ev_document_load"); + retval = iface->load (document, uri, error); + + return retval; +} + +gboolean +ev_document_save (EvDocument *document, + const char *uri, + GError **error) +{ + EvDocumentIface *iface = EV_DOCUMENT_GET_IFACE (document); + gboolean retval; + + LOG ("ev_document_save"); + retval = iface->save (document, uri, error); + + return retval; +} + +int +ev_document_get_n_pages (EvDocument *document) +{ + EvDocumentIface *iface = EV_DOCUMENT_GET_IFACE (document); + gint retval; + + LOG ("ev_document_get_n_pages"); + retval = iface->get_n_pages (document); + + return retval; +} + +void +ev_document_get_page_size (EvDocument *document, + int page, + double *width, + double *height) +{ + EvDocumentIface *iface = EV_DOCUMENT_GET_IFACE (document); + + LOG ("ev_document_get_page_size"); + iface->get_page_size (document, page, width, height); +} + +char * +ev_document_get_page_label(EvDocument *document, + int page) +{ + EvDocumentIface *iface = EV_DOCUMENT_GET_IFACE (document); + + LOG ("ev_document_get_page_label"); + if (iface->get_page_label == NULL) + return NULL; + + return iface->get_page_label (document, page); +} + +gboolean +ev_document_can_get_text (EvDocument *document) +{ + EvDocumentIface *iface = EV_DOCUMENT_GET_IFACE (document); + + return iface->can_get_text (document); +} + +EvDocumentInfo * +ev_document_get_info (EvDocument *document) +{ + EvDocumentIface *iface = EV_DOCUMENT_GET_IFACE (document); + + return iface->get_info (document); +} + +char * +ev_document_get_text (EvDocument *document, + int page, + EvRectangle *rect) +{ + EvDocumentIface *iface = EV_DOCUMENT_GET_IFACE (document); + char *retval; + + LOG ("ev_document_get_text"); + retval = iface->get_text (document, page, rect); + + return retval; +} + +gboolean +ev_document_has_attachments (EvDocument *document) +{ + EvDocumentIface *iface = EV_DOCUMENT_GET_IFACE (document); + + if (iface->has_attachments == NULL) + return FALSE; + + return iface->has_attachments (document); +} + +GList * +ev_document_get_attachments (EvDocument *document) +{ + EvDocumentIface *iface = EV_DOCUMENT_GET_IFACE (document); + GList *retval; + + LOG ("ev_document_get_attachments"); + if (iface->get_attachments == NULL) + return NULL; + retval = iface->get_attachments (document); + + return retval; +} + +GdkPixbuf * +ev_document_render_pixbuf (EvDocument *document, + EvRenderContext *rc) +{ + EvDocumentIface *iface = EV_DOCUMENT_GET_IFACE (document); + GdkPixbuf *retval; + + LOG ("ev_document_render_pixbuf"); + g_assert (iface->render_pixbuf); + + retval = iface->render_pixbuf (document, rc); + + return retval; +} + +void +ev_document_info_free (EvDocumentInfo *info) +{ + if (info == NULL) + return; + + g_free (info->title); + g_free (info->format); + g_free (info->author); + g_free (info->subject); + g_free (info->keywords); + g_free (info->security); + + g_free (info); +} + + +/* Compares two rects. returns 0 if they're equal */ +#define EPSILON 0.0000001 + +gint +ev_rect_cmp (EvRectangle *a, + EvRectangle *b) +{ + if (a == b) + return 0; + if (a == NULL || b == NULL) + return 1; + + return ! ((ABS (a->x1 - b->x1) < EPSILON) && + (ABS (a->y1 - b->y1) < EPSILON) && + (ABS (a->x2 - b->x2) < EPSILON) && + (ABS (a->y2 - b->y2) < EPSILON)); +} |