extension UIImage {
    func resizeToCircleImage(targetSize: CGSize, contentMode: UIViewContentMode) -> UIImage {
        UIGraphicsBeginImageContextWithOptions(targetSize, true, 0.0)
        let rect = CGRect(x: 0, y: 0, width: targetSize.width, height: targetSize.height)
        self.draw(in: rect)
        let newImage = UIGraphicsGetImageFromCurrentImageContext()
        UIGraphicsEndImageContext()
        return newImage!
    }
}