921 void ellipse2Poly( Point center, Size axes, int angle,  in ellipse2Poly()
988 EllipseEx( Mat& img, Point center, Size axes,  in EllipseEx()
1411 Circle( Mat& img, Point center, int radius, const void* color, int fill )  in Circle()
1617                     Point center;  in ThickLine()  local
1661 void line( InputOutputArray _img, Point pt1, Point pt2, const Scalar& color,  in line()  function
1737 void circle( InputOutputArray _img, Point center, int radius,  in circle()
1764 void ellipse( InputOutputArray _img, Point center, Size axes,  in ellipse()
1806     Point center(cvRound(box.center.x*(1 << XY_SHIFT)),  in ellipse()  local
2491 cvEllipse2Poly( CvPoint center, CvSize axes, int angle,  in cvEllipse2Poly()
2609 cvCircle( CvArr* _img, CvPoint center, int radius,  in cvCircle()
2617 cvEllipse( CvArr* _img, CvPoint center, CvSize axes,  in cvEllipse()