ViewController.swift

import UIKit

class ViewController: UIViewController {

    override func viewDidLoad() {
        super.viewDidLoad()
        
        let myImage: UIImage = UIImage(named: "enthusiastic-people2.jpg")!
        
        let myScaleDownView: UIImageView = UIImageView(frame: CGRect(x: 100, y:30, width: 80, height: 80))
        
        myScaleDownView.image = myImage
        
        myScaleDownView.transform = CGAffineTransformMakeScale(0.5, 0.5)
        
        self.view.addSubview(myScaleDownView)
        
        let myScaleUpView: UIImageView = UIImageView(frame: CGRect(x: 100, y:120, width: 80, height: 80))
        
        myScaleUpView.image = myImage
        
        myScaleUpView.transform = CGAffineTransformMakeScale(1.5, 1.5)
        
        self.view.addSubview(myScaleUpView)
        
        let myRotateView: UIImageView = UIImageView(frame: CGRect(x: 100, y: 250, width: 80, height: 80))
        
        myRotateView.image = myImage
        
        let angle:CGFloat = CGFloat((30.0 * M_PI) / 180.0)
        
        myRotateView.transform = CGAffineTransformMakeRotation(angle)
        
        self.view.addSubview(myRotateView)
        
        let myReverseView: UIImageView = UIImageView(frame: CGRect(x:100, y: 360, width: 80, height: 80))
        
        myReverseView.image = myImage
        
        myReverseView.transform = CGAffineTransformScale(myReverseView.transform, -1.0, 1.0)
        
        self.view.addSubview(myReverseView)
    }

    override func didReceiveMemoryWarning() {
        super.didReceiveMemoryWarning()
        // Dispose of any resources that can be recreated.
    }


}