IOS) Pin Gesture_02 (이미지 확대)

 

//
//  ViewController.swift
//  PinGuesture-02
//
//  Created by Leo_Jang on 27/08/2020.
//  Copyright © 2020 Leo_Jang. All rights reserved.
//

import UIKit

class ViewController: UIViewController {
    
    @IBOutlet weak var imgPinch: UIImageView!
    

    override func viewDidLoad() {
        super.viewDidLoad()
        // Do any additional setup after loading the view.
        
        let pinch = UIPinchGestureRecognizer(target: self, action: #selector(ViewController.doPinch(_ :)))
        self.view.addGestureRecognizer(pinch)
    }

    @objc func doPinch(_ pinch: UIPinchGestureRecognizer){
        imgPinch.transform = imgPinch.transform.scaledBy(x: pinch.scale, y: pinch.scale)
        pinch.scale = 1 // 다음 변환을 위한 scale의 속성을 1로 설정
        
    }

}