gistfile1.m

+ (UIImage *)installButtonBackground:(BOOL)fill
{
    CGFloat borderWidth = 1.0;
    CGFloat cornerRadius = 3.0;
    CGSize size = CGSizeMake((cornerRadius * 2) + 1.0, (cornerRadius * 2) + 1.0);
    UIColor *buttonColor = [UIColor installButtonColor];

    UIGraphicsBeginImageContextWithOptions(size, NO, 0.0);

    UIBezierPath *path = [UIBezierPath bezierPathWithRoundedRect:CGRectMake((borderWidth / 2), (borderWidth / 2), size.width - borderWidth, size.height - borderWidth) byRoundingCorners:UIRectCornerAllCorners cornerRadii:CGSizeMake(cornerRadius, cornerRadius)];

    [path setLineWidth:borderWidth];
    [buttonColor setFill];
    [buttonColor setStroke];

    [path stroke];
    if (fill)
    {
        [path fill];
    }

    UIImage *image = UIGraphicsGetImageFromCurrentImageContext();
    image = [image resizableImageWithCapInsets:UIEdgeInsetsMake(cornerRadius, cornerRadius, cornerRadius, cornerRadius)];

    return image;
}