2 * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
3 * Copyright (C) 1999-2002 Hiroyuki Yamamoto
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 of the License, or
8 * (at your option) any later version.
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.
25 #include <gtk/gtkscrolledwindow.h>
26 #include <gtk/gtkpixmap.h>
29 # include <gdk-pixbuf/gdk-pixbuf.h>
32 # include <gdk_imlib.h>
34 #endif /* HAVE_GDK_PIXBUF */
37 #include "prefs_common.h"
39 #include "imageview.h"
42 ImageView *imageview_create(void)
45 GtkWidget *scrolledwin;
47 debug_print("Creating image view...\n");
48 imageview = g_new0(ImageView, 1);
50 scrolledwin = gtk_scrolled_window_new(NULL, NULL);
51 gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolledwin),
53 GTK_POLICY_AUTOMATIC);
54 gtk_widget_set_usize(scrolledwin, prefs_common.mainview_width, -1);
56 gtk_widget_show_all(scrolledwin);
58 imageview->scrolledwin = scrolledwin;
59 imageview->image = NULL;
64 void imageview_init(ImageView *imageview)
69 void imageview_show_image(ImageView *imageview, MimeInfo *mimeinfo,
70 const gchar *file, gboolean resize)
73 GdkPixbuf *pixbuf_scaled;
81 g_return_if_fail(imageview != NULL);
83 imageview_clear(imageview);
85 pixbuf = gdk_pixbuf_new_from_file(file);
88 g_warning("Can't load the image.");
92 if (imageview->messageview->mainwin)
93 main_window_cursor_wait(imageview->messageview->mainwin);
96 avail_width = imageview->scrolledwin->parent->allocation.width;
97 avail_height = imageview->scrolledwin->parent->allocation.height;
98 if (avail_width > 8) avail_width -= 8;
99 if (avail_height > 8) avail_height -= 8;
101 imageview_get_resized_size(gdk_pixbuf_get_width(pixbuf),
102 gdk_pixbuf_get_height(pixbuf),
103 avail_width, avail_height,
104 &new_width, &new_height);
106 pixbuf_scaled = gdk_pixbuf_scale_simple
107 (pixbuf, new_width, new_height, GDK_INTERP_BILINEAR);
108 gdk_pixbuf_unref(pixbuf);
109 pixbuf = pixbuf_scaled;
112 gdk_pixbuf_render_pixmap_and_mask(pixbuf, &pixmap, &mask, 0);
114 if (!imageview->image) {
115 imageview->image = gtk_pixmap_new(pixmap, mask);
117 gtk_scrolled_window_add_with_viewport
118 (GTK_SCROLLED_WINDOW(imageview->scrolledwin),
121 gtk_pixmap_set(GTK_PIXMAP(imageview->image), pixmap, mask);
123 gtk_widget_show(imageview->image);
125 gdk_pixbuf_unref(pixbuf);
127 if (imageview->messageview->mainwin)
128 main_window_cursor_normal(imageview->messageview->mainwin);
132 void imageview_show_image(ImageView *imageview, MimeInfo *mimeinfo,
133 const gchar *file, gboolean resize)
141 g_return_if_fail(imageview != NULL);
143 imageview_clear(imageview);
145 im = gdk_imlib_load_image((gchar *)file);
148 g_warning("Can't load the image.");
152 if (imageview->messageview->mainwin)
153 main_window_cursor_wait(imageview->messageview->mainwin);
156 avail_width = imageview->scrolledwin->parent->allocation.width;
157 avail_height = imageview->scrolledwin->parent->allocation.height;
158 if (avail_width > 8) avail_width -= 8;
159 if (avail_height > 8) avail_height -= 8;
161 imageview_get_resized_size(im->rgb_width, im->rgb_height,
162 avail_width, avail_height,
163 &new_width, &new_height);
165 new_width = im->rgb_width;
166 new_height = im->rgb_height;
169 gdk_imlib_render(im, new_width, new_height);
171 if (!imageview->image) {
172 imageview->image = gtk_pixmap_new(gdk_imlib_move_image(im),
173 gdk_imlib_move_mask(im));
175 gtk_scrolled_window_add_with_viewport
176 (GTK_SCROLLED_WINDOW(imageview->scrolledwin),
179 gtk_pixmap_set(GTK_PIXMAP(imageview->image),
180 gdk_imlib_move_image(im),
181 gdk_imlib_move_mask(im));
183 gtk_widget_show(imageview->image);
185 gdk_imlib_destroy_image(im);
187 if (imageview->messageview->mainwin)
188 main_window_cursor_normal(imageview->messageview->mainwin);
191 void imageview_show_image(ImageView *imageview, MimeInfo *mimeinfo,
192 const gchar *file, gboolean resize)
195 #endif /* HAVE_GDK_IMLIB */
196 #endif /* HAVE_GDK_PIXBUF */
198 void imageview_clear(ImageView *imageview)
200 GtkAdjustment *hadj, *vadj;
202 if (imageview->image)
203 gtk_pixmap_set(GTK_PIXMAP(imageview->image), NULL, NULL);
204 hadj = gtk_scrolled_window_get_hadjustment
205 (GTK_SCROLLED_WINDOW(imageview->scrolledwin));
206 gtk_adjustment_set_value(hadj, 0.0);
207 vadj = gtk_scrolled_window_get_vadjustment
208 (GTK_SCROLLED_WINDOW(imageview->scrolledwin));
209 gtk_adjustment_set_value(vadj, 0.0);
212 void imageview_destroy(ImageView *imageview)
217 void imageview_get_resized_size(gint w, gint h, gint aw, gint ah,
225 wratio = (gfloat)aw / (gfloat)w;
227 hratio = (gfloat)ah / (gfloat)h;
229 ratio = (wratio > hratio) ? hratio : wratio;
231 *sw = (gint)(w * ratio);
232 *sh = (gint)(h * ratio);
235 if (*sw <= 0 || *sh <= 0) {