- (UIImage *)image:(UIImage *)image WithTint:(UIColor *)tintColor
{
    // Begin drawing
    CGRect aRect = CGRectMake(0.f, 0.f, image.size.width, image.size.height);
    CGImageRef alphaMask;
    
    //
    // Compute mask flipping image
    //
    {
        UIGraphicsBeginImageContext(aRect.size);
        CGContextRef c = UIGraphicsGetCurrentContext();
        
        // draw image
        CGContextTranslateCTM(c, 0, aRect.size.height);
        CGContextScaleCTM(c, 1.0, -1.0);
        [image drawInRect: aRect];
        
        alphaMask = CGBitmapContextCreateImage(c);
        
        UIGraphicsEndImageContext();
    }
    
    //
    UIGraphicsBeginImageContext(aRect.size);
    
    // Get the graphic context
    CGContextRef c = UIGraphicsGetCurrentContext();
    
    // Draw the image
    [image drawInRect:aRect];
    
    // Mask
    CGContextClipToMask(c, aRect, alphaMask);
    
    // Set the fill color space
    CGColorSpaceRef colorSpace = CGColorSpaceCreateDeviceRGB();
    CGContextSetFillColorSpace(c, colorSpace);
    
    // Set the fill color
    CGContextSetFillColorWithColor(c, tintColor.CGColor);
    
    UIRectFillUsingBlendMode(aRect, kCGBlendModeNormal);
    
    UIImage *img = UIGraphicsGetImageFromCurrentImageContext();
    UIGraphicsEndImageContext();
    
    // Release memory
    CGColorSpaceRelease(colorSpace);
    CGImageRelease(alphaMask);
    
    return img;
}