73             m_curve4.approximation_method(v);  in approximation_method()
78             return m_curve4.approximation_method();  in approximation_method()
84             m_curve4.approximation_scale(s);   in approximation_scale()
89             return m_curve4.approximation_scale();    in approximation_scale()
95             m_curve4.angle_tolerance(v);   in angle_tolerance()
100             return m_curve4.angle_tolerance();    in angle_tolerance()
106             m_curve4.cusp_limit(v);   in cusp_limit()
111             return m_curve4.cusp_limit();    in cusp_limit()
125         curve4_type   m_curve4;  variable
138         m_curve4.reset();  in rewind()
153         if(!is_stop(m_curve4.vertex(x, y)))  in vertex()
189 				m_curve4.init(m_last_x, m_last_y,  in vertex()
194 				m_curve4.vertex(x, y);    // First call returns path_cmd_move_to  in vertex()
195 				m_curve4.vertex(x, y);    // This is the first vertex of the curve  in vertex()