void gfxdrawer_target_poly(gfxdrawer_t*d, double gridsize);
void gfxpolywriter_init(polywriter_t*w);
-gfxpoly_t* gfxpoly_from_gfxline(gfxline_t*line, double gridsize);
+gfxpoly_t* gfxpoly_from_fill(gfxline_t*line, double gridsize);
gfxpoly_t* gfxpoly_from_file(const char*filename, double gridsize);
void gfxpoly_destroy(gfxpoly_t*poly);
+gfxline_t*gfxline_from_gfxpoly(gfxpoly_t*poly);
+gfxline_t*gfxline_from_gfxpoly_with_direction(gfxpoly_t*poly); // preserves up/down
+
+gfxline_t* gfxpoly_circular_to_evenodd(gfxline_t*line, double gridsize);
+gfxpoly_t* gfxpoly_createbox(double x1, double y1,double x2, double y2, double gridsize);
+
#endif //__poly_convert_h__