rendering

+ (UIBezierPath *) trianglePathWithSize: (CGSize) size;
{
    CGContextRef context = UIGraphicsGetCurrentContext();
    CGContextSaveGState(context);
    CGContextSetAlpha(context, 0.9);
    CGContextBeginTransparencyLayer(context, NULL);


    UIBezierPath *circleOutlinePath = [UIBezierPath bezierPath];
    circleOutlinePath.lineJoinStyle = kCGLineJoinMiter;

    [circleOutlinePath moveToPoint: CGPointMake(165.83, 165.69)];
    [circleOutlinePath addCurveToPoint: CGPointMake(165.83, 33.81) controlPoint1: CGPointMake(202.06, 129.27) controlPoint2: CGPointMake(202.06, 70.23)];
    [circleOutlinePath addCurveToPoint: CGPointMake(34.67, 33.81) controlPoint1: CGPointMake(129.61, -2.6) controlPoint2: CGPointMake(70.89, -2.6)];
    [circleOutlinePath addCurveToPoint: CGPointMake(34.67, 165.69) controlPoint1: CGPointMake(-1.56, 70.23) controlPoint2: CGPointMake(-1.56, 129.27)];
    [circleOutlinePath addCurveToPoint: CGPointMake(165.83, 165.69) controlPoint1: CGPointMake(70.89, 202.1) controlPoint2: CGPointMake(129.61, 202.1)];
    [circleOutlinePath closePath];

    CGContextEndTransparencyLayer(context);
    CGContextRestoreGState(context);

    return circleOutlinePath;
}



- (UIImage *) imageWithStrokeColor: (UIColor *) strokeColor fillColor: (UIColor *)

fillColor
{
    CGRect bounds = self.bounds;

    UIGraphicsBeginImageContextWithOptions(CGSizeMake(bounds.size.width + self.lineWidth * 2, bounds.size.width + self.lineWidth * 2),
                                           false, [UIScreen mainScreen].scale);

    CGContextRef context = UIGraphicsGetCurrentContext();

    // offset the draw to allow the line thickness to not get clipped
    CGContextTranslateCTM(context, self.lineWidth, self.lineWidth);

    if (!strokeColor)
    {
        strokeColor = fillColor;
    }
    else
        if (!fillColor)
        {
            fillColor = strokeColor;
        }

    [strokeColor setStroke];
    [fillColor setFill];

    [self fill];
    [self stroke];

    UIImage *result = UIGraphicsGetImageFromCurrentImageContext();

    UIGraphicsEndImageContext();

    return result;
}