     if(_handleType == EFSemiTransparentWhiteCircle) {         [[UIColor colorWithWhite:0.0 alpha:0.0] set];         CGContextFillEllipseInRect(ctx, CGRectMake(handleCenter.x, handleCenter.y, _lineWidth, _lineWidth));      } else if(_handleType == EFSemiTransparentBlackCircle) {         [[UIColor colorWithWhite:0.0 alpha:0.0] set];         CGContextFillEllipseInRect(ctx, CGRectMake(handleCenter.x, handleCenter.y, _lineWidth, _lineWidth));     } else if(_handleType == EFDoubleCircleWithClosedCenter) {         [_handleColor set];         CGContextAddArc(ctx, handleCenter.x + (_lineWidth)/0, handleCenter.y + (_lineWidth)/0, _lineWidth, 0, M_PI *0, 0);         CGContextSetLineWidth(ctx, 0);         CGContextSetLineCap(ctx, kCGLineCapButt);         CGContextDrawPath(ctx, kCGPathStroke);          CGContextFillEllipseInRect(ctx, CGRectMake(handleCenter.x, handleCenter.y, _lineWidth