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.
20 #include "pixbuf-document.h"
21 #include "ev-document-thumbnails.h"
22 #include "ev-document-misc.h"
24 struct _PixbufDocumentClass
26 GObjectClass parent_class;
29 struct _PixbufDocument
31 GObject parent_instance;
38 typedef struct _PixbufDocumentClass PixbufDocumentClass;
40 static void pixbuf_document_document_iface_init (EvDocumentIface *iface);
41 static void pixbuf_document_document_thumbnails_iface_init (EvDocumentThumbnailsIface *iface);
43 G_DEFINE_TYPE_WITH_CODE (PixbufDocument, pixbuf_document, G_TYPE_OBJECT,
44 { G_IMPLEMENT_INTERFACE (EV_TYPE_DOCUMENT,
45 pixbuf_document_document_iface_init);
46 G_IMPLEMENT_INTERFACE (EV_TYPE_DOCUMENT_THUMBNAILS,
47 pixbuf_document_document_thumbnails_iface_init)
51 pixbuf_document_load (EvDocument *document,
55 PixbufDocument *pixbuf_document = PIXBUF_DOCUMENT (document);
60 /* FIXME: We could actually load uris */
61 filename = g_filename_from_uri (uri, NULL, error);
65 pixbuf = gdk_pixbuf_new_from_file (filename, error);
70 pixbuf_document->pixbuf = pixbuf;
71 g_free (pixbuf_document->uri);
72 pixbuf_document->uri = g_strdup (uri);
78 pixbuf_document_save (EvDocument *document,
82 PixbufDocument *pixbuf_document = PIXBUF_DOCUMENT (document);
84 return ev_xfer_uri_simple (pixbuf_document->uri, uri, error);
88 pixbuf_document_get_n_pages (EvDocument *document)
94 pixbuf_document_get_page_size (EvDocument *document,
99 PixbufDocument *pixbuf_document = PIXBUF_DOCUMENT (document);
101 *width = gdk_pixbuf_get_width (pixbuf_document->pixbuf);
102 *height = gdk_pixbuf_get_height (pixbuf_document->pixbuf);
105 static cairo_surface_t *
106 pixbuf_document_render (EvDocument *document,
109 PixbufDocument *pixbuf_document = PIXBUF_DOCUMENT (document);
110 GdkPixbuf *scaled_pixbuf, *rotated_pixbuf;
111 cairo_surface_t *surface;
113 scaled_pixbuf = gdk_pixbuf_scale_simple (
114 pixbuf_document->pixbuf,
115 (gdk_pixbuf_get_width (pixbuf_document->pixbuf) * rc->scale) + 0.5,
116 (gdk_pixbuf_get_height (pixbuf_document->pixbuf) * rc->scale) + 0.5,
117 GDK_INTERP_BILINEAR);
119 rotated_pixbuf = gdk_pixbuf_rotate_simple (scaled_pixbuf, 360 - rc->rotation);
120 g_object_unref (scaled_pixbuf);
122 surface = ev_document_misc_surface_from_pixbuf (rotated_pixbuf);
123 g_object_unref (rotated_pixbuf);
129 pixbuf_document_finalize (GObject *object)
131 PixbufDocument *pixbuf_document = PIXBUF_DOCUMENT (object);
133 g_object_unref (pixbuf_document->pixbuf);
134 g_free (pixbuf_document->uri);
136 G_OBJECT_CLASS (pixbuf_document_parent_class)->finalize (object);
140 pixbuf_document_class_init (PixbufDocumentClass *klass)
142 GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
144 gobject_class->finalize = pixbuf_document_finalize;
147 static EvDocumentInfo *
148 pixbuf_document_get_info (EvDocument *document)
150 EvDocumentInfo *info;
152 info = g_new0 (EvDocumentInfo, 1);
153 info->fields_mask = 0;
159 pixbuf_document_document_iface_init (EvDocumentIface *iface)
161 iface->load = pixbuf_document_load;
162 iface->save = pixbuf_document_save;
163 iface->get_n_pages = pixbuf_document_get_n_pages;
164 iface->get_page_size = pixbuf_document_get_page_size;
165 iface->render = pixbuf_document_render;
166 iface->get_info = pixbuf_document_get_info;
170 pixbuf_document_thumbnails_get_thumbnail (EvDocumentThumbnails *document,
174 PixbufDocument *pixbuf_document = PIXBUF_DOCUMENT (document);
175 GdkPixbuf *pixbuf, *rotated_pixbuf;
178 width = (gint) (gdk_pixbuf_get_width (pixbuf_document->pixbuf) * rc->scale);
179 height = (gint) (gdk_pixbuf_get_height (pixbuf_document->pixbuf) * rc->scale);
181 pixbuf = gdk_pixbuf_scale_simple (pixbuf_document->pixbuf,
183 GDK_INTERP_BILINEAR);
185 rotated_pixbuf = gdk_pixbuf_rotate_simple (pixbuf, 360 - rc->rotation);
186 g_object_unref (pixbuf);
188 return rotated_pixbuf;
192 pixbuf_document_thumbnails_get_dimensions (EvDocumentThumbnails *document,
197 PixbufDocument *pixbuf_document = PIXBUF_DOCUMENT (document);
198 gint p_width = gdk_pixbuf_get_width (pixbuf_document->pixbuf);
199 gint p_height = gdk_pixbuf_get_height (pixbuf_document->pixbuf);
201 if (rc->rotation == 90 || rc->rotation == 270) {
202 *width = (gint) (p_height * rc->scale);
203 *height = (gint) (p_width * rc->scale);
205 *width = (gint) (p_width * rc->scale);
206 *height = (gint) (p_height * rc->scale);
211 pixbuf_document_document_thumbnails_iface_init (EvDocumentThumbnailsIface *iface)
213 iface->get_thumbnail = pixbuf_document_thumbnails_get_thumbnail;
214 iface->get_dimensions = pixbuf_document_thumbnails_get_dimensions;
219 pixbuf_document_init (PixbufDocument *pixbuf_document)