2 * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
3 * Copyright (C) 1999-2003 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 */
41 static gboolean resize = FALSE;
43 typedef struct _ImageViewer ImageViewer;
45 MimeViewerFactory image_viewer_factory;
46 static void image_viewer_get_resized_size(gint w, gint h, gint aw, gint ah,
47 gint * sw, gint * sh);
48 static void image_viewer_clear_viewer(MimeViewer *imageviewer);
52 MimeViewer mimeviewer;
54 GtkWidget *scrolledwin;
58 static GtkWidget *image_viewer_get_widget(MimeViewer *_mimeviewer)
60 ImageViewer *imageviewer = (ImageViewer *) _mimeviewer;
62 debug_print("image_viewer_get_widget\n");
64 return imageviewer->scrolledwin;
68 static void image_viewer_show_mimepart(MimeViewer *_mimeviewer, const gchar *file, MimeInfo *mimeinfo)
70 ImageViewer *imageviewer = (ImageViewer *) _mimeviewer;
72 GdkPixbuf *pixbuf_scaled;
81 debug_print("image_viewer_show_mimepart\n");
83 g_return_if_fail(imageviewer != NULL);
85 image_viewer_clear_viewer(_mimeviewer);
87 imgfile = procmime_get_tmp_file_name(mimeinfo);
88 if (procmime_get_part(imgfile, file, mimeinfo) < 0) {
89 g_warning("Can't get mimepart file");
94 pixbuf = gdk_pixbuf_new_from_file(imgfile);
98 g_warning("Can't load the image.");
103 avail_width = imageviewer->scrolledwin->parent->allocation.width;
104 avail_height = imageviewer->scrolledwin->parent->allocation.height;
105 if (avail_width > 8) avail_width -= 8;
106 if (avail_height > 8) avail_height -= 8;
108 image_viewer_get_resized_size(gdk_pixbuf_get_width(pixbuf),
109 gdk_pixbuf_get_height(pixbuf),
110 avail_width, avail_height,
111 &new_width, &new_height);
113 pixbuf_scaled = gdk_pixbuf_scale_simple
114 (pixbuf, new_width, new_height, GDK_INTERP_BILINEAR);
115 gdk_pixbuf_unref(pixbuf);
116 pixbuf = pixbuf_scaled;
119 gdk_pixbuf_render_pixmap_and_mask(pixbuf, &pixmap, &mask, 0);
121 if (!imageviewer->image) {
122 imageviewer->image = gtk_pixmap_new(pixmap, mask);
124 gtk_scrolled_window_add_with_viewport
125 (GTK_SCROLLED_WINDOW(imageviewer->scrolledwin),
128 gtk_pixmap_set(GTK_PIXMAP(imageviewer->image), pixmap, mask);
130 gtk_widget_show(imageviewer->image);
132 gdk_pixbuf_unref(pixbuf);
136 static void image_viewer_show_mimepart(MimeViewer *_mimeviewer, const gchar *file, MimeInfo *mimeinfo)
138 ImageViewer *imageviewer = (ImageViewer *) _mimeviewer;
146 debug_print("image_viewer_show_mimepart\n");
148 g_return_if_fail(imageviewer != NULL);
150 image_viewer_clear_viewer(imageviewer);
152 imgfile = procmime_get_tmp_file_name(mimeinfo);
153 if (procmime_get_part(imgfile, file, mimeinfo) < 0) {
154 g_warning("Can't get mimepart file");
159 im = gdk_imlib_load_image(imgfile);
163 g_warning("Can't load the image.");
168 avail_width = imageviewer->scrolledwin->parent->allocation.width;
169 avail_height = imageviewer->scrolledwin->parent->allocation.height;
170 if (avail_width > 8) avail_width -= 8;
171 if (avail_height > 8) avail_height -= 8;
173 image_viewer_get_resized_size(im->rgb_width, im->rgb_height,
174 avail_width, avail_height,
175 &new_width, &new_height);
177 new_width = im->rgb_width;
178 new_height = im->rgb_height;
181 gdk_imlib_render(im, new_width, new_height);
183 if (!imageviewer->image) {
184 imageviewer->image = gtk_pixmap_new(gdk_imlib_move_image(im),
185 gdk_imlib_move_mask(im));
187 gtk_scrolled_window_add_with_viewport
188 (GTK_SCROLLED_WINDOW(imageviewer->scrolledwin),
191 gtk_pixmap_set(GTK_PIXMAP(imageviewer->image),
192 gdk_imlib_move_image(im),
193 gdk_imlib_move_mask(im));
195 gtk_widget_show(imageviewer->image);
197 gdk_imlib_destroy_image(im);
199 #endif /* HAVE_GDK_IMLIB */
200 #endif /* HAVE_GDK_PIXBUF */
202 static void image_viewer_clear_viewer(MimeViewer *_mimeviewer)
204 ImageViewer *imageviewer = (ImageViewer *) _mimeviewer;
205 GtkAdjustment *hadj, *vadj;
207 debug_print("image_viewer_clear_viewer\n");
209 if (imageviewer->image)
210 gtk_pixmap_set(GTK_PIXMAP(imageviewer->image), NULL, NULL);
211 hadj = gtk_scrolled_window_get_hadjustment
212 (GTK_SCROLLED_WINDOW(imageviewer->scrolledwin));
213 gtk_adjustment_set_value(hadj, 0.0);
214 vadj = gtk_scrolled_window_get_vadjustment
215 (GTK_SCROLLED_WINDOW(imageviewer->scrolledwin));
216 gtk_adjustment_set_value(vadj, 0.0);
219 static void image_viewer_destroy_viewer(MimeViewer *_mimeviewer)
221 ImageViewer *imageviewer = (ImageViewer *) _mimeviewer;
223 debug_print("image_viewer_destroy_viewer\n");
225 image_viewer_clear_viewer(_mimeviewer);
226 gtk_widget_unref(imageviewer->scrolledwin);
230 static void image_viewer_get_resized_size(gint w, gint h, gint aw, gint ah,
238 wratio = (gfloat)aw / (gfloat)w;
240 hratio = (gfloat)ah / (gfloat)h;
242 ratio = (wratio > hratio) ? hratio : wratio;
244 *sw = (gint)(w * ratio);
245 *sh = (gint)(h * ratio);
248 if (*sw <= 0 || *sh <= 0) {
254 MimeViewer *image_viewer_create(void)
256 ImageViewer *imageviewer;
257 GtkWidget *scrolledwin;
259 debug_print("Creating image view...\n");
260 imageviewer = g_new0(ImageViewer, 1);
261 imageviewer->mimeviewer.factory = &image_viewer_factory;
263 imageviewer->mimeviewer.get_widget = image_viewer_get_widget;
264 imageviewer->mimeviewer.show_mimepart = image_viewer_show_mimepart;
265 imageviewer->mimeviewer.clear_viewer = image_viewer_clear_viewer;
266 imageviewer->mimeviewer.destroy_viewer = image_viewer_destroy_viewer;
268 scrolledwin = gtk_scrolled_window_new(NULL, NULL);
269 gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolledwin),
270 GTK_POLICY_AUTOMATIC,
271 GTK_POLICY_AUTOMATIC);
272 gtk_widget_ref(scrolledwin);
274 gtk_widget_show_all(scrolledwin);
276 imageviewer->scrolledwin = scrolledwin;
277 imageviewer->image = NULL;
279 return (MimeViewer *) imageviewer;
282 MimeViewerFactory image_viewer_factory =