Created
December 25, 2018 03:31
-
-
Save tak-km/4b9f8e10c1dca5b1d765a60f606a7d49 to your computer and use it in GitHub Desktop.
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
@IBAction func pushImmageButton(_ sender: Any) { | |
let ciFilter = CIFilter(name: "CIQRCodeGenerator") | |
ciFilter?.setDefaults() | |
let baseUrlString="https://twitter.com/" | |
let qrString = baseUrlString+textField.text! | |
let data = qrString.data(using: String.Encoding.utf8) | |
ciFilter?.setValue(data, forKey: "inputMessage") | |
ciFilter?.setValue("L", forKey: "inputCorrectionLevel") | |
let ciContext = CIContext() | |
let sizeTransform = CGAffineTransform(scaleX: 4, y: 4) | |
let cgimg = ciContext.createCGImage((ciFilter?.outputImage)!, from: (ciFilter?.outputImage?.extent)!) | |
///////////////// | |
let qrcodeImage: CIImage = (ciFilter?.outputImage!.transformed(by: sizeTransform))! | |
// CIImageからUIImageに変換する | |
let imageContext = CIContext(options:nil) | |
let temp:CGImage = imageContext.createCGImage(qrcodeImage, from: qrcodeImage.extent)! | |
let ret = UIImage(cgImage: temp) | |
// ファイルパスを指定する | |
var imagePath: String { | |
let doc = NSSearchPathForDirectoriesInDomains( .documentDirectory, .userDomainMask, true )[0] as String | |
return ( doc as NSString ).appendingPathComponent("qr_send.jpg" ) | |
} | |
// 指定したファイルパスに保存する | |
let senddata: NSData = ret.jpegData(compressionQuality: 0.9) as! NSData | |
senddata.write( toFile: imagePath, atomically: true ) | |
let transferFile: NSURL = NSURL( fileURLWithPath: imagePath ) | |
wcSession.transferFile( transferFile as URL, metadata: qrcodeImage.properties ) | |
//送信終わり | |
} |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment