ALCameraViewController/Example/ViewController.swift at e9cd2a0beb480aacf67ec616d5306ccc19c09b98 · AlexLittlejohn/ALCameraViewController · GitHub

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//
//  ViewController.swift
//  ALCameraViewController
//
//  Created by Alex Littlejohn on 2015/06/17.
//  Copyright (c) 2015 zero. All rights reserved.
//

import UIKit

class ViewController: UIViewController {

    var libraryEnabled: Bool = true
    var croppingEnabled: Bool = false
    var allowResizing: Bool = true
    var allowMoving: Bool = false
    var minimumSize: CGSize = CGSize(width: 60, height: 60)

    var croppingParameters: CroppingParameters {
        return CroppingParameters(isEnabled: croppingEnabled, allowResizing: allowResizing, allowMoving: allowMoving, minimumSize: minimumSize)
    }

    @IBOutlet weak var imageView: UIImageView!
    @IBOutlet weak var croppingParametersView: UIView!
    @IBOutlet weak var minimumSizeLabel: UILabel!
    @IBOutlet weak var multipleSelectionSwitch: UISwitch!

    override func viewDidLoad() {
        super.viewDidLoad()

		self.imageView.contentMode = .scaleAspectFit
    }

    @IBAction func openCamera(_ sender: Any) {
        let cameraViewController = CameraViewController(croppingParameters: croppingParameters, allowsLibraryAccess: libraryEnabled) { [weak self] image, asset in
            self?.imageView.image = image
            self?.dismiss(animated: true, completion: nil)
        }

        present(cameraViewController, animated: true, completion: nil)
    }

    @IBAction func openLibrary(_ sender: Any) {
        if multipleSelectionSwitch.isOn  {
            let libraryViewController = CameraViewController.imagePickerViewController(completion: { [weak self] assets in
                if let assets = assets {
                    let images = ImageFetcher.resolveAssets(assets, size: largestPhotoSize())
                    self?.imageView.image = images.last
                }
                self?.dismiss(animated: true, completion: nil)
            })
            present(libraryViewController, animated: true, completion: nil)
        } else {
            let libraryViewController = CameraViewController.imagePickerViewController(croppingParameters: croppingParameters) {
                [weak self] image, asset in
                self?.imageView.image = image
                self?.dismiss(animated: true, completion: nil)
            }
            present(libraryViewController, animated: true, completion: nil)
        }
    }

    @IBAction func libraryChanged(_ sender: Any) {
        libraryEnabled = !libraryEnabled
    }

    @IBAction func croppingChanged(_ sender: UISwitch) {
        croppingEnabled = sender.isOn
        croppingParametersView.isHidden = !sender.isOn
    }

    @IBAction func resizingChanged(_ sender: UISwitch) {
        allowResizing = sender.isOn
    }

    @IBAction func movingChanged(_ sender: UISwitch) {
        allowMoving = sender.isOn
    }

    @IBAction func minimumSizeChanged(_ sender: UISlider) {
        let newValue = sender.value
        minimumSize = CGSize(width: CGFloat(newValue), height: CGFloat(newValue))
        minimumSizeLabel.text = "Minimum size: \(newValue.rounded())"
    }
}