1 /* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8; c-indent-level: 8 -*- */
3 * Copyright (C) 2004, Anders Carlsson <andersca@gnome.org>
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.
21 #include <glib/gi18n-lib.h>
23 #include "pixbuf-document.h"
24 #include "ev-document-thumbnails.h"
25 #include "ev-document-misc.h"
26 #include "ev-file-helpers.h"
28 struct _PixbufDocumentClass
30 GObjectClass parent_class;
33 struct _PixbufDocument
35 GObject parent_instance;
42 typedef struct _PixbufDocumentClass PixbufDocumentClass;
44 static void pixbuf_document_document_iface_init (EvDocumentIface *iface);
45 static void pixbuf_document_document_thumbnails_iface_init (EvDocumentThumbnailsIface *iface);
47 EV_BACKEND_REGISTER_WITH_CODE (PixbufDocument, pixbuf_document,
49 EV_BACKEND_IMPLEMENT_INTERFACE (EV_TYPE_DOCUMENT_THUMBNAILS,
50 pixbuf_document_document_thumbnails_iface_init)
54 pixbuf_document_load (EvDocument *document,
58 PixbufDocument *pixbuf_document = PIXBUF_DOCUMENT (document);
63 /* FIXME: We could actually load uris */
64 filename = g_filename_from_uri (uri, NULL, error);
68 pixbuf = gdk_pixbuf_new_from_file (filename, error);
73 pixbuf_document->pixbuf = pixbuf;
74 g_free (pixbuf_document->uri);
75 pixbuf_document->uri = g_strdup (uri);
81 pixbuf_document_save (EvDocument *document,
85 PixbufDocument *pixbuf_document = PIXBUF_DOCUMENT (document);
87 return ev_xfer_uri_simple (pixbuf_document->uri, uri, error);
91 pixbuf_document_get_n_pages (EvDocument *document)
97 pixbuf_document_get_page_size (EvDocument *document,
102 PixbufDocument *pixbuf_document = PIXBUF_DOCUMENT (document);
104 *width = gdk_pixbuf_get_width (pixbuf_document->pixbuf);
105 *height = gdk_pixbuf_get_height (pixbuf_document->pixbuf);
108 static cairo_surface_t *
109 pixbuf_document_render (EvDocument *document,
112 PixbufDocument *pixbuf_document = PIXBUF_DOCUMENT (document);
113 GdkPixbuf *scaled_pixbuf, *rotated_pixbuf;
114 cairo_surface_t *surface;
116 scaled_pixbuf = gdk_pixbuf_scale_simple (
117 pixbuf_document->pixbuf,
118 (gdk_pixbuf_get_width (pixbuf_document->pixbuf) * rc->scale) + 0.5,
119 (gdk_pixbuf_get_height (pixbuf_document->pixbuf) * rc->scale) + 0.5,
120 GDK_INTERP_BILINEAR);
122 rotated_pixbuf = gdk_pixbuf_rotate_simple (scaled_pixbuf, 360 - rc->rotation);
123 g_object_unref (scaled_pixbuf);
125 surface = ev_document_misc_surface_from_pixbuf (rotated_pixbuf);
126 g_object_unref (rotated_pixbuf);
132 pixbuf_document_finalize (GObject *object)
134 PixbufDocument *pixbuf_document = PIXBUF_DOCUMENT (object);
136 g_object_unref (pixbuf_document->pixbuf);
137 g_free (pixbuf_document->uri);
139 G_OBJECT_CLASS (pixbuf_document_parent_class)->finalize (object);
143 pixbuf_document_class_init (PixbufDocumentClass *klass)
145 GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
147 gobject_class->finalize = pixbuf_document_finalize;
150 static EvDocumentInfo *
151 pixbuf_document_get_info (EvDocument *document)
153 EvDocumentInfo *info;
155 info = g_new0 (EvDocumentInfo, 1);
156 info->fields_mask = 0;
162 pixbuf_document_document_iface_init (EvDocumentIface *iface)
164 iface->load = pixbuf_document_load;
165 iface->save = pixbuf_document_save;
166 iface->get_n_pages = pixbuf_document_get_n_pages;
167 iface->get_page_size = pixbuf_document_get_page_size;
168 iface->render = pixbuf_document_render;
169 iface->get_info = pixbuf_document_get_info;
173 pixbuf_document_thumbnails_get_thumbnail (EvDocumentThumbnails *document,
177 PixbufDocument *pixbuf_document = PIXBUF_DOCUMENT (document);
178 GdkPixbuf *pixbuf, *rotated_pixbuf;
181 width = (gint) (gdk_pixbuf_get_width (pixbuf_document->pixbuf) * rc->scale);
182 height = (gint) (gdk_pixbuf_get_height (pixbuf_document->pixbuf) * rc->scale);
184 pixbuf = gdk_pixbuf_scale_simple (pixbuf_document->pixbuf,
186 GDK_INTERP_BILINEAR);
188 rotated_pixbuf = gdk_pixbuf_rotate_simple (pixbuf, 360 - rc->rotation);
189 g_object_unref (pixbuf);
191 return rotated_pixbuf;
195 pixbuf_document_thumbnails_get_dimensions (EvDocumentThumbnails *document,
200 PixbufDocument *pixbuf_document = PIXBUF_DOCUMENT (document);
201 gint p_width = gdk_pixbuf_get_width (pixbuf_document->pixbuf);
202 gint p_height = gdk_pixbuf_get_height (pixbuf_document->pixbuf);
204 if (rc->rotation == 90 || rc->rotation == 270) {
205 *width = (gint) (p_height * rc->scale);
206 *height = (gint) (p_width * rc->scale);
208 *width = (gint) (p_width * rc->scale);
209 *height = (gint) (p_height * rc->scale);
214 pixbuf_document_document_thumbnails_iface_init (EvDocumentThumbnailsIface *iface)
216 iface->get_thumbnail = pixbuf_document_thumbnails_get_thumbnail;
217 iface->get_dimensions = pixbuf_document_thumbnails_get_dimensions;
222 pixbuf_document_init (PixbufDocument *pixbuf_document)