gfxbbox_t* gfxline_isrectangle(gfxline_t*_l);
gfxline_t*gfxline_makerectangle(double x1, double y1, double x2, double y2);
gfxline_t*gfxline_makecircle(double x,double y,double rx, double ry);
void gfxline_show(gfxline_t*line, FILE*fi);
gfxbbox_t* gfxline_isrectangle(gfxline_t*_l);
gfxline_t*gfxline_makerectangle(double x1, double y1, double x2, double y2);
gfxline_t*gfxline_makecircle(double x,double y,double rx, double ry);
void gfxline_show(gfxline_t*line, FILE*fi);