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| # OS X | ||
| .DS_Store | ||
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| # Xcode | ||
| build/ | ||
| *.pbxuser | ||
| !default.pbxuser | ||
| *.mode1v3 | ||
| !default.mode1v3 | ||
| *.mode2v3 | ||
| !default.mode2v3 | ||
| *.perspectivev3 | ||
| !default.perspectivev3 | ||
| xcuserdata | ||
| *.xccheckout | ||
| profile | ||
| *.moved-aside | ||
| DerivedData | ||
| *.hmap | ||
| *.xccheckout | ||
| # AppCode | ||
| .idea/ | ||
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| Carthage | ||
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| Demo/Pods | ||
| .ruby-version | ||
| .ruby-gemset | ||
| # Swift Package Manager | ||
| .build | ||
| Packages |
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| // | ||
| // BarcodesDetectViewController.swift | ||
| // HelloVision | ||
| // | ||
| // Created by 郭朋 on 10/06/2017. | ||
| // Copyright © 2017 Peng Guo. All rights reserved. | ||
| // | ||
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| import UIKit | ||
| import Vision | ||
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| class BarcodesDetectViewController: UIViewController { | ||
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| @IBOutlet weak var result: UILabel! | ||
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| override func viewDidLoad() { | ||
| super.viewDidLoad() | ||
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| let barcodeImage = UIImage(named: "QRCode.png")! | ||
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| let barcodeRequest = VNDetectBarcodesRequest(completionHandler: {(request, error) in | ||
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| for result in request.results! { | ||
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| if let barcode = result as? VNBarcodeObservation { | ||
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| if let desc = barcode.barcodeDescriptor as? CIQRCodeDescriptor { | ||
| print(desc.symbolVersion) | ||
| let content = String(data: desc.errorCorrectedPayload, encoding: .utf8) | ||
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| let resultStr = """ | ||
| Symbology: \(barcode.symbology.rawValue)\n | ||
| Payload: \(String(describing: content))\n | ||
| Error-Correction-Level:\(desc.errorCorrectionLevel)\n | ||
| Symbol-Version: \(desc.symbolVersion)\n | ||
| """ | ||
| DispatchQueue.main.async { | ||
| self.result.text = resultStr | ||
| } | ||
| } | ||
| } | ||
| } | ||
| }) | ||
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| let handler = VNImageRequestHandler(cgImage: barcodeImage.cgImage!, options: [:]) | ||
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| guard let _ = try? handler.perform([barcodeRequest]) else { | ||
| return print("Could not perform barcode-request!") | ||
| } | ||
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| } | ||
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| } |
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