--- trunk/src/x11.c	2007/10/08 16:18:06	5
+++ trunk/src/x11.c	2007/10/08 16:18:11	6
@@ -25,7 +25,7 @@
  *  SUCH DAMAGE.
  *
  *
- *  $Id: x11.c,v 1.56 2005/03/05 12:17:53 debug Exp $
+ *  $Id: x11.c,v 1.58 2005/05/20 22:35:59 debug Exp $
  *
  *  X11-related functions.
  */
@@ -323,6 +323,60 @@
 }
 
 
+/*
+ *  x11_fb_resize():
+ *
+ *  Set a new size for an X11 framebuffer window.  (NOTE: I didn't think of
+ *  this kind of functionality during the initial design, so it is probably
+ *  buggy. It also needs some refactoring.)
+ */
+void x11_fb_resize(struct fb_window *win, int new_xsize, int new_ysize)
+{
+	int alloc_depth;
+
+	if (win == NULL) {
+		fatal("x11_fb_resize(): win == NULL\n");
+		return;
+	}
+
+	win->x11_fb_winxsize = new_xsize;
+	win->x11_fb_winysize = new_ysize;
+
+	alloc_depth = win->x11_screen_depth;
+	if (alloc_depth == 24)
+		alloc_depth = 32;
+	if (alloc_depth == 15)
+		alloc_depth = 16;
+
+	/*  Note: ximage_data seems to be freed by XDestroyImage below.  */
+	/*  if (win->ximage_data != NULL)
+		free(win->ximage_data);  */
+	win->ximage_data = malloc(new_xsize * new_ysize * alloc_depth / 8);
+	if (win->ximage_data == NULL) {
+		fprintf(stderr, "x11_fb_resize(): out of memory "
+		    "allocating ximage_data\n");
+		exit(1);
+	}
+
+	/*  TODO: clear for non-truecolor modes  */
+	memset(win->ximage_data, 0, new_xsize * new_ysize * alloc_depth / 8);
+
+	if (win->fb_ximage != NULL)
+		XDestroyImage(win->fb_ximage);
+	win->fb_ximage = XCreateImage(win->x11_display, CopyFromParent,
+	    win->x11_screen_depth, ZPixmap, 0, (char *)win->ximage_data,
+	    new_xsize, new_ysize, 8, new_xsize * alloc_depth / 8);
+	if (win->fb_ximage == NULL) {
+		fprintf(stderr, "x11_fb_resize(): out of memory "
+		    "allocating fb_ximage\n");
+		exit(1);
+	}
+
+	XResizeWindow(win->x11_display, win->x11_fb_window,
+	    new_xsize, new_ysize);
+}
+
+
 /*
  *  x11_fb_init():
  *