void destroy_actor(Actor *actor);
void set_actor_position(Actor *actor, gint x, gint y, gint z, AWallpaperPlugin *desktop_plugin);
void set_actor_scale(Actor *actor, double scalex, double scaley);
+void set_actor_opacity(Actor *actor, gint opacity);
void set_actor_rotation(Actor *actor, gint axis, double degrees, gint x, gint y, gint z);
void set_actor_visible(Actor *actor, gboolean visible);
void change_obj(Actor * actor, AWallpaperPlugin *desktop_plugin);