RoundedImage.swift

    func roundImage(image: Image) -> Image? {
        let rect = CGRect(origin:CGPoint(x: 0, y: 0), size: image.size)
        UIGraphicsBeginImageContextWithOptions(image.size, false, 0.0)
        UIBezierPath(roundedRect: rect, cornerRadius: self.cornerRadius).addClip()
        image.draw(in: rect)
        let roundedImage = UIGraphicsGetImageFromCurrentImageContext()
        UIGraphicsEndImageContext()
        return roundedImage
    }