导入 XuXuCheck 工程(iOS 干化学尿液试纸分析 App)

从桌面工程复制而来,作为本仓库的 Xuxucheck/ 子目录。为控制仓库体积做了两处删减: - 移除 Frameworks/opencv2.xcframework 下的两个 visionOS 切片 (xros-arm64、xros-arm64-simulator,合计约 106 MB),并同步删掉该 xcframework 内 Info.plist 里对应的两条 AvailableLibraries 记录, 只保留 ios-arm64 与 ios-arm64_x86_64-simulator。 - 移除全部 .DS_Store 与 xcuserdata/。已用 xcodebuild 从本目录完整编译验证:BUILD SUCCEEDED, ProcessXCFramework 以 --platform ios 成功选中框架,产物含 3699 个 cv:: 符号 (OpenCV 确实链入),嵌入 framework 3 个,与移除无用 pod 之后的状态一致。仓库约 206 MB,其中 OpenCV 203 MB、其余源码与依赖约 3 MB。
2026-09-23 14:17:31 +08:00
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+//
+//  CodeScanner.swift
+//  https://github.com/twostraws/CodeScanner
+//
+//  Created by Paul Hudson on 14/12/2021.
+//  Copyright © 2021 Paul Hudson. All rights reserved.
+//
+
+#if os(iOS)
+import AVFoundation
+import SwiftUI
+
+/// An enum describing the ways CodeScannerView can hit scanning problems.
+public enum ScanError: Error {
+    /// The camera could not be accessed.
+    case badInput
+
+    /// The camera was not capable of scanning the requested codes.
+    case badOutput
+
+    /// Initialization failed.
+    case initError(_ error: Error)
+  
+    /// The camera permission is denied 
+    case permissionDenied
+}
+
+/// The result from a successful scan: the string that was scanned, and also the type of data that was found.
+/// The type is useful for times when you've asked to scan several different code types at the same time, because
+/// it will report the exact code type that was found.
+@available(macCatalyst 14.0, *)
+public struct ScanResult {
+    /// The contents of the code.
+    public let string: String
+
+    /// The type of code that was matched.
+    public let type: AVMetadataObject.ObjectType
+    
+    /// The image of the code that was matched
+    public let image: UIImage?
+  
+    /// The corner coordinates of the scanned code.
+    public let corners: [CGPoint]
+}
+
+/// The operating mode for CodeScannerView.
+public enum ScanMode {
+    /// Scan exactly one code, then stop.
+    case once
+
+    /// Scan each code no more than once.
+    case oncePerCode
+
+    /// Keep scanning all codes until dismissed.
+    case continuous
+
+    /// Keep scanning all codes - except the ones from the ignored list - until dismissed.
+    case continuousExcept(ignoredList: Set<String>)
+
+    /// Scan only when capture button is tapped.
+    case manual
+
+    var isManual: Bool {
+        switch self {
+        case .manual:
+            return true
+        case .once, .oncePerCode, .continuous, .continuousExcept:
+            return false
+        }
+    }
+}
+
+/// A SwiftUI view that is able to scan barcodes, QR codes, and more, and send back what was found.
+/// To use, set `codeTypes` to be an array of things to scan for, e.g. `[.qr]`, and set `completion` to
+/// a closure that will be called when scanning has finished. This will be sent the string that was detected or a `ScanError`.
+/// For testing inside the simulator, set the `simulatedData` property to some test data you want to send back.
+@available(macCatalyst 14.0, *)
+public struct CodeScannerView: UIViewControllerRepresentable {
+    
+    public let codeTypes: [AVMetadataObject.ObjectType]
+    public let scanMode: ScanMode
+    public let manualSelect: Bool
+    public let scanInterval: Double
+    public let showViewfinder: Bool
+    public let requiresPhotoOutput: Bool
+    public var simulatedData = ""
+    public var shouldVibrateOnSuccess: Bool
+    public var isTorchOn: Bool
+    public var isPaused: Bool
+    public var isGalleryPresented: Binding<Bool>
+    public var videoCaptureDevice: AVCaptureDevice?
+    public var completion: (Result<ScanResult, ScanError>) -> Void
+
+    public init(
+        codeTypes: [AVMetadataObject.ObjectType],
+        scanMode: ScanMode = .once,
+        manualSelect: Bool = false,
+        scanInterval: Double = 2.0,
+        showViewfinder: Bool = false,
+        requiresPhotoOutput: Bool = true,
+        simulatedData: String = "",
+        shouldVibrateOnSuccess: Bool = true,
+        isTorchOn: Bool = false,
+        isPaused: Bool = false,
+        isGalleryPresented: Binding<Bool> = .constant(false),
+        videoCaptureDevice: AVCaptureDevice? = AVCaptureDevice.bestForVideo,
+        completion: @escaping (Result<ScanResult, ScanError>) -> Void
+    ) {
+        self.codeTypes = codeTypes
+        self.scanMode = scanMode
+        self.manualSelect = manualSelect
+        self.showViewfinder = showViewfinder
+        self.requiresPhotoOutput = requiresPhotoOutput
+        self.scanInterval = scanInterval
+        self.simulatedData = simulatedData
+        self.shouldVibrateOnSuccess = shouldVibrateOnSuccess
+        self.isTorchOn = isTorchOn
+        self.isPaused = isPaused
+        self.isGalleryPresented = isGalleryPresented
+        self.videoCaptureDevice = videoCaptureDevice
+        self.completion = completion
+    }
+
+    public func makeUIViewController(context: Context) -> ScannerViewController {
+        return ScannerViewController(showViewfinder: showViewfinder, parentView: self)
+    }
+
+    public func updateUIViewController(_ uiViewController: ScannerViewController, context: Context) {
+        uiViewController.parentView = self
+        uiViewController.updateViewController(
+            isTorchOn: isTorchOn,
+            isGalleryPresented: isGalleryPresented.wrappedValue,
+            isManualCapture: scanMode.isManual,
+            isManualSelect: manualSelect
+        )
+    }
+    
+}
+
+@available(macCatalyst 14.0, *)
+extension CodeScannerView {
+
+    @available(*, deprecated, renamed: "requiresPhotoOutput")
+    public var requirePhotoOutput: Bool {
+        requiresPhotoOutput
+    }
+}
+
+@available(macCatalyst 14.0, *)
+struct CodeScannerView_Previews: PreviewProvider {
+    static var previews: some View {
+        CodeScannerView(codeTypes: [.qr]) { result in
+            // do nothing
+        }
+    }
+}
+#endif