protected override Action <IplImage> GetRenderer() { var center = Center; var axes = Axes; var angle = Angle; var startAngle = StartAngle; var endAngle = EndAngle; var color = Color; var thickness = Thickness; var lineType = LineType; var shift = Shift; return(image => { CV.Ellipse(image, center, axes, angle, startAngle, endAngle, color, thickness, lineType, shift); }); }