-gfxline_t*gfxline_makerectangle(int x1, int y1, int x2, int y2);
+void gfximage_save_jpeg(gfximage_t*img, char*filename, int quality);
+
+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);