HildonAnimationActor *actor;
GtkWidget *window, *drawing;

window = hildon_stackable_window_new ();
gtk_widget_realize (window);
gtk_window_fullscreen (GTK_WINDOW(window));

actor = HILDON_ANIMATION_ACTOR (hildon_animation_actor_new());
hildon_animation_actor_set_parent (actor, GTK_WINDOW (window));
drawing = gtk_image_new ();
gtk_container_add (GTK_CONTAINER (actor), drawing);

XID winxid=GDK_WINDOW_XID((GdkDrawable*)(drawing));