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matsuhisa/file0.swift

Created March 13, 2016 07:37
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SwiftでQRコードを生成してみた ref: http://qiita.com/matsuhisa_h/items/91cdeeaf32553c3b23fb
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file0.swift
import UIKit
import CoreImage
var url = "http://www.yahoo.co.jp/"
// NSString から NSDataへ変換
let data = url.dataUsingEncoding(NSUTF8StringEncoding)!
// QRコード生成のフィルター
// NSData型でデーターを用意
// inputCorrectionLevelは、誤り訂正レベル
let qr = CIFilter(name: "CIQRCodeGenerator", withInputParameters: ["inputMessage": data, "inputCorrectionLevel": "M"])!
let sizeTransform = CGAffineTransformMakeScale(10, 10)
let qrImage = qr.outputImage!.imageByApplyingTransform(sizeTransform)
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