Shape_info& get_info() const { return Shape_manager::instance->shapes.get_info(shapenum); }
static Shape_info& get_info(int shnum) { return Shape_manager::instance->shapes.get_info(shnum); }
	Shape_info& get_info() const	// Get info. about shape.		{ return Shape_manager::instance->shapes.get_info(shapenum); }