Polygon *clone();
- void print_fig(XFigTracer *tracer);
+ void color_xfig(XFigTracer *tracer);
+ void print_xfig(XFigTracer *tracer);
+
void draw(SimpleWindow *window);
void draw_contours(SimpleWindow *window);
void set_vertex(int k, scalar_t x, scalar_t y);