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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,99 @@ | ||
| // | ||
| // QRCodeView.swift | ||
| // iAppStore | ||
| // | ||
| // Created by iHTCboy on 2023/6/24. | ||
| // Copyright © 2023 37 Mobile Games. All rights reserved. | ||
| // | ||
|
|
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| import SwiftUI | ||
| import CoreImage.CIFilterBuiltins | ||
|
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| struct QRCodeView: View { | ||
|
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| let title: String | ||
| let subTitle: String | ||
| let qrCodeContent: String | ||
| @Binding var isShowingQRCode: Bool | ||
| @State var showShareSheet = false | ||
|
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| var body: some View { | ||
| VStack { | ||
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| HStack { | ||
| Button { | ||
| showShareSheet.toggle() | ||
| } label: { | ||
| Image(systemName: "square.and.arrow.up").imageScale(.large) | ||
| } | ||
| .frame(width: 60, height: 60, alignment: .center) | ||
| .padding([.top, .leading], 8) | ||
| .sheet(isPresented: $showShareSheet) { | ||
| ShareSheet(items: [generateQRCode(from: qrCodeContent)]) | ||
| } | ||
|
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| Spacer() | ||
|
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| Text(title) | ||
| .font(.title3) | ||
| .multilineTextAlignment(.center) | ||
| .padding() | ||
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| Spacer() | ||
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| Button { | ||
| isShowingQRCode = false | ||
| } label: { | ||
| Image(systemName: "xmark.circle").imageScale(.large) | ||
| } | ||
| .frame(width: 60, height: 60, alignment: .center) | ||
| .padding([.top, .trailing], 8) | ||
| } | ||
|
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| Spacer() | ||
|
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| // 在这里生成和显示二维码 | ||
| Image(uiImage: generateQRCode(from: qrCodeContent)) | ||
| .resizable() | ||
| .scaledToFit() | ||
| .padding([.leading, .trailing], 50) | ||
| .frame(maxWidth: 500) | ||
|
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| Text(subTitle) | ||
| .multilineTextAlignment(.center) | ||
| .foregroundColor(.accentColor) | ||
|
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| Spacer() | ||
| } | ||
| } | ||
|
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| private func generateQRCode(from string: String) -> UIImage { | ||
| let data = string.data(using: .utf8) | ||
|
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| if let filter = CIFilter(name: "CIQRCodeGenerator") { | ||
| filter.setValue(data, forKey: "inputMessage") | ||
| filter.setValue("H", forKey: "inputCorrectionLevel") // 设置纠错级别为高 | ||
|
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| if let outputImage = filter.outputImage { | ||
| let context = CIContext() | ||
| let scale = UIScreen.main.scale // 获取屏幕的缩放比例 | ||
|
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| // 将输出图像的尺寸放大一定倍数，例如放大为原来的10倍 | ||
| let transformedImage = outputImage.transformed(by: CGAffineTransform(scaleX: 10, y: 10)) | ||
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| if let cgImage = context.createCGImage(transformedImage, from: transformedImage.extent) { | ||
| return UIImage(cgImage: cgImage, scale: scale, orientation: .up) | ||
| } | ||
| } | ||
| } | ||
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| return UIImage(systemName: "qrcode") ?? UIImage() | ||
| } | ||
| } | ||
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| struct QRCodeView_Previews: PreviewProvider { | ||
| static var previews: some View { | ||
| QRCodeView(title: "扫一扫下载", subTitle: "App Store 上的“凡人修仙传：人界篇-正版授权”", qrCodeContent: "https://apps.apple.com/cn/app/69437212", isShowingQRCode: .constant(false)) | ||
| } | ||
| } |
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