[w3m-dev 03830] Image size of gif animation

* w3mimg/fb/fb_gdkpixbuf.c (get_animation_size): added
	(get_image_size): use get_animation_size()
	(fb_image_load): ditto
* w3mimg/x11/x11_w3mimg.c (get_animation_size): added
	(x11_load_image): use get_animation_size()
	(x11_get_image_size): ditto
From: Hiroyuki Ito <hito@crl.go.jp>

ChangeLog

@@ -1,3 +1,13 @@
+2003-03-27  Hiroyuki Ito <hito@crl.go.jp>
+
+	* [w3m-dev 03830] Image size of gif animation
+	* w3mimg/fb/fb_gdkpixbuf.c (get_animation_size): added
+		(get_image_size): use get_animation_size()
+		(fb_image_load): ditto
+	* w3mimg/x11/x11_w3mimg.c (get_animation_size): added
+		(x11_load_image): use get_animation_size()
+		(x11_get_image_size): ditto
+
 2003-03-25  Hiroyuki Ito <hito@crl.go.jp>
 
 	* [w3m-dev 03829] w3mimgdisplay -anim
@@ -7580,4 +7590,4 @@ a	* [w3m-dev 03276] compile error on EWS4800
 	* release-0-2-1
 	* import w3m-0.2.1
 
-$Id: ChangeLog,v 1.801 2003/03/24 15:45:55 ukai Exp $
+$Id: ChangeLog,v 1.802 2003/03/26 15:14:19 ukai Exp $

w3mimg/fb/fb_gdkpixbuf.c

@@ -1,4 +1,4 @@
-/* $Id: fb_gdkpixbuf.c,v 1.10 2003/03/24 15:47:49 ukai Exp $ */
+/* $Id: fb_gdkpixbuf.c,v 1.11 2003/03/26 15:14:23 ukai Exp $ */
 /**************************************************************************
                 fb_gdkpixbuf.c 0.3 Copyright (C) 2002, hito
  **************************************************************************/
@@ -11,6 +11,33 @@ static void draw(FB_IMAGE * img, int bg, int x, int y, int w, int h,
 		 GdkPixbuf * pixbuf);
 static GdkPixbuf *resize_image(GdkPixbuf * pixbuf, int width, int height);
 
+static void
+get_animation_size(GdkPixbufAnimation *animation, int *w, int *h)
+{
+    GList *frames;
+    int iw, ih, n, i;
+
+    frames = gdk_pixbuf_animation_get_frames(animation);
+    n = gdk_pixbuf_animation_get_num_frames(animation);
+    *w = gdk_pixbuf_animation_get_width(animation);
+    *h = gdk_pixbuf_animation_get_height(animation);
+    for (i = 0; i < n; i++) {
+	GdkPixbufFrame *frame;
+	GdkPixbuf *pixbuf;
+
+	frame = (GdkPixbufFrame *) g_list_nth_data(frames, i);
+	pixbuf = gdk_pixbuf_frame_get_pixbuf(frame);
+	iw = gdk_pixbuf_frame_get_x_offset(frame)
+	  +gdk_pixbuf_get_width(pixbuf);
+	ih = gdk_pixbuf_frame_get_y_offset(frame)
+	  + gdk_pixbuf_get_height(pixbuf);
+	if (iw > *w)
+	    *w = iw;
+	if (ih > *h)
+	    *h = ih;
+    }
+}
+
 int
 get_image_size(char *filename, int *w, int *h)
 {
@@ -20,8 +47,7 @@ get_image_size(char *filename, int *w, int *h)
     animation = gdk_pixbuf_animation_new_from_file(filename);
     if (animation == NULL)
 	return 1;
-    *w = gdk_pixbuf_animation_get_width(animation);
+    get_animation_size(animation, w, h);
-    *h = gdk_pixbuf_animation_get_height(animation);
     gdk_pixbuf_animation_unref(animation);
     return 0;
 }
@@ -41,8 +67,7 @@ fb_image_load(char *filename, int w, int h, int max_anim)
     if (animation == NULL)
 	return NULL;
     frames = gdk_pixbuf_animation_get_frames(animation);
-    fw = gdk_pixbuf_animation_get_width(animation);
+    get_animation_size(animation, &fw, &fh);
-    fh = gdk_pixbuf_animation_get_height(animation);
     n = gdk_pixbuf_animation_get_num_frames(animation);
     if (max_anim > 0) {
 	n = (max_anim > n) ? n : max_anim;

w3mimg/x11/x11_w3mimg.c

@@ -1,4 +1,4 @@
-/* $Id: x11_w3mimg.c,v 1.14 2003/03/24 15:48:09 ukai Exp $ */
+/* $Id: x11_w3mimg.c,v 1.15 2003/03/26 15:14:23 ukai Exp $ */
 #include <stdio.h>
 #include <stdlib.h>
 #include <ctype.h>
@@ -40,6 +40,34 @@ struct x11_image {
     int wait;
     Pixmap *pixmap;
 };
+
+static void
+get_animation_size(GdkPixbufAnimation *animation, int *w, int *h)
+{
+    GList *frames;
+    int iw, ih, n, i;
+
+    frames = gdk_pixbuf_animation_get_frames(animation);
+    n = gdk_pixbuf_animation_get_num_frames(animation);
+    *w = gdk_pixbuf_animation_get_width(animation);
+    *h = gdk_pixbuf_animation_get_height(animation);
+    for (i = 0; i < n; i++) {
+	GdkPixbufFrame *frame;
+	GdkPixbuf *pixbuf;
+
+	frame = (GdkPixbufFrame *) g_list_nth_data(frames, i);
+	pixbuf = gdk_pixbuf_frame_get_pixbuf(frame);
+	iw = gdk_pixbuf_frame_get_x_offset(frame)
+	  +gdk_pixbuf_get_width(pixbuf);
+	ih = gdk_pixbuf_frame_get_y_offset(frame)
+	  + gdk_pixbuf_get_height(pixbuf);
+	if (iw > *w)
+	    *w = iw;
+	if (ih > *h)
+	    *h = ih;
+    }
+}
+
 #endif
 
 static int
@@ -291,8 +319,7 @@ x11_load_image(w3mimg_op * self, W3MImage * img, char *fname, int w, int h)
 	return 0;
     frames = gdk_pixbuf_animation_get_frames(animation);
     n = gdk_pixbuf_animation_get_num_frames(animation);
-    iw = gdk_pixbuf_animation_get_width(animation);
+    get_animation_size(animation, &iw, &ih);
-    ih = gdk_pixbuf_animation_get_height(animation);
 
     if (self->max_anim > 0) {
 	n = (self->max_anim > n) ? n : self->max_anim;
@@ -466,7 +493,7 @@ x11_get_image_size(w3mimg_op * self, W3MImage * img, char *fname, int *w,
 #elif defined(USE_IMLIB2)
     Imlib_Image im;
 #elif defined(USE_GDKPIXBUF)
-    GdkPixbuf *pixbuf;
+    GdkPixbufAnimation *animation;
 #endif
 
     if (self == NULL)
@@ -493,14 +520,12 @@ x11_get_image_size(w3mimg_op * self, W3MImage * img, char *fname, int *w,
     *h = imlib_image_get_height();
     imlib_free_image();
 #elif defined(USE_GDKPIXBUF)
-    pixbuf = gdk_pixbuf_new_from_file(fname);
+    animation = gdk_pixbuf_animation_new_from_file(fname);
-    if (!pixbuf)
+    if (!animation)
 	return 0;
 
-    *w = gdk_pixbuf_get_width(pixbuf);
+    get_animation_size(animation, w, h);
-    *h = gdk_pixbuf_get_height(pixbuf);
+    gdk_pixbuf_animation_unref(animation);
-
-    gdk_pixbuf_unref(pixbuf);
 #endif
     return 1;
 }