CoreImage 6 The blurring process

Swift 3.0 // // ViewController.swift // CoreImage006 // // Created by Misato Morino on 2016/08/15. // Copyright © 2016年 Misato Morino. All rights reserved. // import UIKit import CoreImage class ViewController: UIViewController { // ベース画像. let myInputImage = CIImage(image: UIImage(named: "sample1")!) // ボタン. let myButton: UIButton = UIButton() // UIView var myImageView: UIImageView! override func viewDidLoad() { super.viewDidLoad() // UIImageに変換. let myInputUIImage: UIImage = UIImage(ciImage: myInputImage!) // ImageView. myImageView = UIImageView(frame: CGRect(x: 0, y: 0, width: myInputUIImage.size.width, height: myInputUIImage.size.height)) // UIImageViewの生成. myImageView.image = myInputUIImage self.view.addSubview(myImageView) // ボタン. myButton.frame = CGRect(x: 0, y: 0, width: 80, height: 80) myButton.backgroundColor = UIColor.blue myButton.layer.masksToBounds = true myButton.setTitle("ぼかし", for: UIControlState.normal) myButton.titleLabel?.font = UIFont.systemFont(ofSize: UIFont.smallSystemFontSize) myButton.setTitleColor(UIColor.white, for: UIControlState.normal) myButton.layer.cornerRadius = 40.0 myButton.layer.position = CGPoint(x: self.view.frame.width/2, y:self.view.frame.height - 50) myButton.tag = 1 myButton.addTarget(self, action: #selector(ViewController.onClickMyButton(sender:)), for: .touchUpInside) // 背景色を黒. self.view.backgroundColor = UIColor.black // UIボタンをViewに追加. self.view.addSubview(myButton); } // ボタンイベント.. func onClickMyButton(sender: UIButton){ // CIFilterを生成。nameにどんなを処理するのか記入. let myBlurFilter = CIFilter(name: "CIGaussianBlur") // ばかし処理をいれたい画像をセット. myBlurFilter!.setValue(myInputImage, forKey: kCIInputImageKey) // フィルターを通した画像をアウトプット. let myOutputImage : CIImage = myBlurFilter!.outputImage! // UIImageに変換. let myOutputUIImage: UIImage = UIImage(ciImage: myOutputImage) // 再びUIViewにセット. myImageView.image = myOutputUIImage // 再描画. myImageView.setNeedsDisplay() } } Swift 2.3 // // ViewController.swift // CoreImage006 // // Created by Misato Morino on 2016/08/15. // Copyright © 2016年 Misato Morino. All rights reserved. // import UIKit import CoreImage class ViewController: UIViewController { // ベース画像. let myInputImage = CIImage(image: UIImage(named: "sample1")!) // ボタン. let myButton: UIButton = UIButton() // UIView var myImageView: UIImageView! override func viewDidLoad() { super.viewDidLoad() // UIImageに変換. let myInputUIImage: UIImage = UIImage(CIImage: myInputImage!) // ImageView. myImageView = UIImageView(frame: CGRectMake(0, 0, myInputUIImage.size.width, myInputUIImage.size.height)) // UIImageViewの生成. myImageView.image = myInputUIImage self.view.addSubview(myImageView) // ボタン. myButton.frame = CGRectMake(0,0,80,80) myButton.backgroundColor = UIColor.blueColor(); myButton.layer.masksToBounds = true myButton.setTitle("ぼかし", forState: UIControlState.Normal) myButton.titleLabel?.font = UIFont.systemFontOfSize(UIFont.smallSystemFontSize()) myButton.setTitleColor(UIColor.whiteColor(), forState: UIControlState.Normal) myButton.layer.cornerRadius = 40.0 myButton.layer.position = CGPoint(x: self.view.frame.width/2, y:self.view.frame.height - 50) myButton.tag = 1 myButton.addTarget(self, action: #selector(ViewController.onClickMyButton(_:)), forControlEvents: .TouchUpInside) // 背景色を黒. self.view.backgroundColor = UIColor.blackColor() // UIボタンをViewに追加. self.view.addSubview(myButton); } // ボタンイベント.. func onClickMyButton(sender: UIButton){ // CIFilterを生成。nameにどんなを処理するのか記入. let myBlurFilter = CIFilter(name: "CIGaussianBlur") // ばかし処理をいれたい画像をセット. myBlurFilter!.setValue(myInputImage, forKey: kCIInputImageKey) // フィルターを通した画像をアウトプット. let myOutputImage : CIImage = myBlurFilter!.outputImage! // UIImageに変換. let myOutputUIImage: UIImage = UIImage(CIImage: myOutputImage) // 再びUIViewにセット. myImageView.image = myOutputUIImage // 再描画. myImageView.setNeedsDisplay() } } 2.xと3.xの差分 init(CIImage:) から init(ciImage:) に変更

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