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"
28 struct _PixbufDocumentClass
30 GObjectClass parent_class;
33 struct _PixbufDocument
35 GObject parent_instance;
41 gint x_offset, y_offset;
44 typedef struct _PixbufDocumentClass PixbufDocumentClass;
46 static void pixbuf_document_document_iface_init (EvDocumentIface *iface);
47 static void pixbuf_document_document_thumbnails_iface_init (EvDocumentThumbnailsIface *iface);
49 G_DEFINE_TYPE_WITH_CODE (PixbufDocument, pixbuf_document, G_TYPE_OBJECT,
50 { G_IMPLEMENT_INTERFACE (EV_TYPE_DOCUMENT,
51 pixbuf_document_document_iface_init);
52 G_IMPLEMENT_INTERFACE (EV_TYPE_DOCUMENT_THUMBNAILS,
53 pixbuf_document_document_thumbnails_iface_init)
56 static GObjectClass *parent_class;
59 pixbuf_document_load (EvDocument *document,
63 PixbufDocument *pixbuf_document = PIXBUF_DOCUMENT (document);
68 /* FIXME: We could actually load uris */
69 filename = g_filename_from_uri (uri, NULL, error);
73 pixbuf = gdk_pixbuf_new_from_file (filename, error);
78 pixbuf_document->pixbuf = pixbuf;
84 pixbuf_document_get_n_pages (EvDocument *document)
90 pixbuf_document_set_page (EvDocument *document,
97 pixbuf_document_get_page (EvDocument *document)
103 pixbuf_document_set_target (EvDocument *document,
106 PixbufDocument *pixbuf_document = PIXBUF_DOCUMENT (document);
108 pixbuf_document->target = target;
112 pixbuf_document_set_scale (EvDocument *document,
115 PixbufDocument *pixbuf_document = PIXBUF_DOCUMENT (document);
117 pixbuf_document->scale = scale;
121 pixbuf_document_set_page_offset (EvDocument *document,
125 PixbufDocument *pixbuf_document = PIXBUF_DOCUMENT (document);
127 pixbuf_document->x_offset = x;
128 pixbuf_document->y_offset = y;
132 pixbuf_document_get_page_size (EvDocument *document,
136 PixbufDocument *pixbuf_document = PIXBUF_DOCUMENT (document);
139 *width = gdk_pixbuf_get_width (pixbuf_document->pixbuf);
141 *height = gdk_pixbuf_get_height (pixbuf_document->pixbuf);
145 pixbuf_document_render (EvDocument *document,
151 PixbufDocument *pixbuf_document = PIXBUF_DOCUMENT (document);
153 if (pixbuf_document->scale == 1.0) {
154 gdk_draw_pixbuf (pixbuf_document->target, NULL, pixbuf_document->pixbuf,
157 clip_width, clip_height, GDK_RGB_DITHER_NORMAL,
161 GdkPixbuf *tmp_pixbuf;
163 tmp_pixbuf = gdk_pixbuf_new (gdk_pixbuf_get_colorspace (pixbuf_document->pixbuf),
164 gdk_pixbuf_get_has_alpha (pixbuf_document->pixbuf),
165 gdk_pixbuf_get_bits_per_sample (pixbuf_document->pixbuf),
166 clip_width, clip_height);
168 gdk_pixbuf_scale (pixbuf_document->pixbuf, tmp_pixbuf, 0, 0, clip_width, clip_height,
169 clip_x * pixbuf_document->scale,
170 clip_y * pixbuf_document->scale,
171 pixbuf_document->scale, pixbuf_document->scale,
172 GDK_INTERP_BILINEAR);
174 gdk_draw_pixbuf (pixbuf_document->target, NULL, tmp_pixbuf,
176 clip_x + pixbuf_document->x_offset,
177 clip_y + pixbuf_document->y_offset,
178 clip_width, clip_height, GDK_RGB_DITHER_NORMAL,
181 g_object_unref (tmp_pixbuf);
186 pixbuf_document_finalize (GObject *object)
188 PixbufDocument *pixbuf_document = PIXBUF_DOCUMENT (object);
190 g_object_unref (pixbuf_document->pixbuf);
192 G_OBJECT_CLASS (parent_class)->finalize (object);
196 pixbuf_document_set_property (GObject *object,
210 pixbuf_document_get_property (GObject *object,
218 g_value_set_string (value, NULL);
224 pixbuf_document_class_init (PixbufDocumentClass *klass)
226 GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
228 parent_class = g_type_class_peek_parent (klass);
230 gobject_class->finalize = pixbuf_document_finalize;
231 gobject_class->get_property = pixbuf_document_get_property;
232 gobject_class->set_property = pixbuf_document_set_property;
234 g_object_class_override_property (gobject_class, PROP_TITLE, "title");
238 pixbuf_document_get_link (EvDocument *document,
246 pixbuf_document_document_iface_init (EvDocumentIface *iface)
248 iface->load = pixbuf_document_load;
249 iface->get_link = pixbuf_document_get_link;
250 iface->get_n_pages = pixbuf_document_get_n_pages;
251 iface->set_page = pixbuf_document_set_page;
252 iface->get_page = pixbuf_document_get_page;
253 iface->set_scale = pixbuf_document_set_scale;
254 iface->set_target = pixbuf_document_set_target;
255 iface->set_page_offset = pixbuf_document_set_page_offset;
256 iface->get_page_size = pixbuf_document_get_page_size;
257 iface->render = pixbuf_document_render;
261 pixbuf_document_thumbnails_get_thumbnail (EvDocumentThumbnails *document,
265 PixbufDocument *pixbuf_document = PIXBUF_DOCUMENT (document);
267 gdouble scale_factor;
270 scale_factor = (gdouble)width / gdk_pixbuf_get_width (pixbuf_document->pixbuf);
272 height = gdk_pixbuf_get_height (pixbuf_document->pixbuf) * scale_factor;
274 pixbuf = gdk_pixbuf_scale_simple (pixbuf_document->pixbuf, width, height,
275 GDK_INTERP_BILINEAR);
281 pixbuf_document_thumbnails_get_dimensions (EvDocumentThumbnails *document,
283 gint suggested_width,
287 PixbufDocument *pixbuf_document = PIXBUF_DOCUMENT (document);
290 page_ratio = ((double)gdk_pixbuf_get_height (pixbuf_document->pixbuf)) /
291 gdk_pixbuf_get_width (pixbuf_document->pixbuf);
292 *width = suggested_width;
293 *height = (gint) (suggested_width * page_ratio);
297 pixbuf_document_document_thumbnails_iface_init (EvDocumentThumbnailsIface *iface)
299 iface->get_thumbnail = pixbuf_document_thumbnails_get_thumbnail;
300 iface->get_dimensions = pixbuf_document_thumbnails_get_dimensions;
305 pixbuf_document_init (PixbufDocument *pixbuf_document)
307 pixbuf_document->scale = 1.0;
309 pixbuf_document->x_offset = 10;
310 pixbuf_document->y_offset = 10;