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"
23 struct _PixbufDocumentClass
25 GObjectClass parent_class;
28 struct _PixbufDocument
30 GObject parent_instance;
33 EvOrientation orientation;
36 typedef struct _PixbufDocumentClass PixbufDocumentClass;
38 static void pixbuf_document_document_iface_init (EvDocumentIface *iface);
39 static void pixbuf_document_document_thumbnails_iface_init (EvDocumentThumbnailsIface *iface);
41 G_DEFINE_TYPE_WITH_CODE (PixbufDocument, pixbuf_document, G_TYPE_OBJECT,
42 { G_IMPLEMENT_INTERFACE (EV_TYPE_DOCUMENT,
43 pixbuf_document_document_iface_init);
44 G_IMPLEMENT_INTERFACE (EV_TYPE_DOCUMENT_THUMBNAILS,
45 pixbuf_document_document_thumbnails_iface_init)
49 pixbuf_document_load (EvDocument *document,
53 PixbufDocument *pixbuf_document = PIXBUF_DOCUMENT (document);
58 /* FIXME: We could actually load uris */
59 filename = g_filename_from_uri (uri, NULL, error);
63 pixbuf = gdk_pixbuf_new_from_file (filename, error);
68 pixbuf_document->pixbuf = pixbuf;
74 pixbuf_document_save (EvDocument *document,
78 g_warning ("pixbuf_document_save not implemented"); /* FIXME */
83 pixbuf_document_get_n_pages (EvDocument *document)
89 pixbuf_document_get_orientation (EvDocument *document)
91 PixbufDocument *pixbuf_document = PIXBUF_DOCUMENT (document);
93 return pixbuf_document->orientation;
97 pixbuf_document_set_orientation (EvDocument *document,
98 EvOrientation orientation)
100 PixbufDocument *pixbuf_document = PIXBUF_DOCUMENT (document);
102 pixbuf_document->orientation = orientation;
106 rotate_pixbuf (EvDocument *document, GdkPixbuf *pixbuf)
108 PixbufDocument *pixbuf_document = PIXBUF_DOCUMENT (document);
110 switch (pixbuf_document->orientation)
112 case EV_ORIENTATION_LANDSCAPE:
113 return gdk_pixbuf_rotate_simple (pixbuf, 90);
114 case EV_ORIENTATION_UPSIDEDOWN:
115 return gdk_pixbuf_rotate_simple (pixbuf, 180);
116 case EV_ORIENTATION_SEASCAPE:
117 return gdk_pixbuf_rotate_simple (pixbuf, 270);
119 return g_object_ref (pixbuf);
124 pixbuf_document_get_page_size (EvDocument *document,
129 PixbufDocument *pixbuf_document = PIXBUF_DOCUMENT (document);
131 if (pixbuf_document->orientation == EV_ORIENTATION_PORTRAIT ||
132 pixbuf_document->orientation == EV_ORIENTATION_UPSIDEDOWN) {
133 *width = gdk_pixbuf_get_width (pixbuf_document->pixbuf);
134 *height = gdk_pixbuf_get_height (pixbuf_document->pixbuf);
136 *width = gdk_pixbuf_get_height (pixbuf_document->pixbuf);
137 *height = gdk_pixbuf_get_width (pixbuf_document->pixbuf);
142 pixbuf_document_render_pixbuf (EvDocument *document,
145 PixbufDocument *pixbuf_document = PIXBUF_DOCUMENT (document);
146 GdkPixbuf *scaled_pixbuf, *rotated_pixbuf;
148 scaled_pixbuf = gdk_pixbuf_scale_simple (pixbuf_document->pixbuf,
149 gdk_pixbuf_get_width (pixbuf_document->pixbuf) * rc->scale,
150 gdk_pixbuf_get_height (pixbuf_document->pixbuf) * rc->scale,
151 GDK_INTERP_BILINEAR);
153 rotated_pixbuf = rotate_pixbuf (document, scaled_pixbuf);
154 g_object_unref (scaled_pixbuf);
156 return rotated_pixbuf;
160 pixbuf_document_finalize (GObject *object)
162 PixbufDocument *pixbuf_document = PIXBUF_DOCUMENT (object);
164 g_object_unref (pixbuf_document->pixbuf);
166 G_OBJECT_CLASS (pixbuf_document_parent_class)->finalize (object);
170 pixbuf_document_class_init (PixbufDocumentClass *klass)
172 GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
174 gobject_class->finalize = pixbuf_document_finalize;
178 pixbuf_document_can_get_text (EvDocument *document)
183 static EvDocumentInfo *
184 pixbuf_document_get_info (EvDocument *document)
186 EvDocumentInfo *info;
188 info = g_new0 (EvDocumentInfo, 1);
189 info->fields_mask = 0;
195 pixbuf_document_document_iface_init (EvDocumentIface *iface)
197 iface->load = pixbuf_document_load;
198 iface->save = pixbuf_document_save;
199 iface->can_get_text = pixbuf_document_can_get_text;
200 iface->get_n_pages = pixbuf_document_get_n_pages;
201 iface->get_page_size = pixbuf_document_get_page_size;
202 iface->render_pixbuf = pixbuf_document_render_pixbuf;
203 iface->get_info = pixbuf_document_get_info;
204 iface->get_orientation = pixbuf_document_get_orientation;
205 iface->set_orientation = pixbuf_document_set_orientation;
209 pixbuf_document_thumbnails_get_thumbnail (EvDocumentThumbnails *document,
214 PixbufDocument *pixbuf_document = PIXBUF_DOCUMENT (document);
216 gdouble scale_factor;
219 scale_factor = (gdouble)size / gdk_pixbuf_get_width (pixbuf_document->pixbuf);
221 height = gdk_pixbuf_get_height (pixbuf_document->pixbuf) * scale_factor;
223 pixbuf = gdk_pixbuf_scale_simple (pixbuf_document->pixbuf, size, height,
224 GDK_INTERP_BILINEAR);
230 pixbuf_document_thumbnails_get_dimensions (EvDocumentThumbnails *document,
232 gint suggested_width,
236 PixbufDocument *pixbuf_document = PIXBUF_DOCUMENT (document);
239 page_ratio = ((double)gdk_pixbuf_get_height (pixbuf_document->pixbuf)) /
240 gdk_pixbuf_get_width (pixbuf_document->pixbuf);
241 *width = suggested_width;
242 *height = (gint) (suggested_width * page_ratio);
246 pixbuf_document_document_thumbnails_iface_init (EvDocumentThumbnailsIface *iface)
248 iface->get_thumbnail = pixbuf_document_thumbnails_get_thumbnail;
249 iface->get_dimensions = pixbuf_document_thumbnails_get_dimensions;
254 pixbuf_document_init (PixbufDocument *pixbuf_document)