Add a bottom border to a UIImage

UIImage+BottomBorder

- (UIImage*)imageWithBorderFromImage:(UIImage*)source;
{
    CGSize size = [source size];
    
    UIGraphicsBeginImageContextWithOptions(CGSizeMake(size.width, size.height+20), NO, 0.0);
    CGContextRef context = UIGraphicsGetCurrentContext();

    [source drawInRect:CGRectMake(0, 20, size.width, 44)];
    CGContextFillRect(context, CGRectMake(0, 0, size.width, 20));

    UIImage *newImage = UIGraphicsGetImageFromCurrentImageContext();
    UIGraphicsEndImageContext();

    return newImage;
}