mirror of
https://github.com/meshtastic/Meshtastic-Apple.git
synced 2026-04-20 22:13:56 +00:00
94 lines
2.3 KiB
Swift
94 lines
2.3 KiB
Swift
//
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// ShareChannel.swift
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// MeshtasticClient
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//
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// Created by Garth Vander Houwen on 4/8/22.
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//
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import SwiftUI
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import CoreData
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import CoreImage.CIFilterBuiltins
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struct QrCodeImage {
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let context = CIContext()
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func generateQRCode(from text: String) -> UIImage {
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var qrImage = UIImage(systemName: "xmark.circle") ?? UIImage()
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let data = Data(text.utf8)
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let filter = CIFilter.qrCodeGenerator()
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filter.setValue(data, forKey: "inputMessage")
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let transform = CGAffineTransform(scaleX: 20, y: 20)
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if let outputImage = filter.outputImage?.transformed(by: transform) {
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if let image = context.createCGImage(
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outputImage,
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from: outputImage.extent) {
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qrImage = UIImage(cgImage: image)
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}
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}
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return qrImage
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}
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}
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struct ShareChannel: View {
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@Environment(\.managedObjectContext) var context
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@EnvironmentObject var bleManager: BLEManager
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@EnvironmentObject var userSettings: UserSettings
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@State private var text = "meshtastic.org"
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var qrCodeImage = QrCodeImage()
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var body: some View {
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VStack {
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GeometryReader { bounds in
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let smallest = min(bounds.size.width, bounds.size.height)
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ScrollView {
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VStack {
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Text("Scan the QR code below with the Apple or Android device you would like to share with your channel settings with.")
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.fixedSize(horizontal: false, vertical: true)
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.font(.callout)
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.padding()
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Spacer()
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let image = qrCodeImage.generateQRCode(from: text)
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Image(uiImage: image)
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.resizable()
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.scaledToFit()
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.frame(
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minWidth: smallest * 0.9,
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maxWidth: smallest * 0.9,
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minHeight: smallest * 0.9,
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maxHeight: smallest * 0.9,
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alignment: .center
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)
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Spacer()
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Text("Channel Name (Long/Slow)").font(.title)
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Spacer()
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}
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.frame(width: bounds.size.width, height: bounds.size.height)
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}
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}
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.navigationTitle("Share Channel")
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.navigationBarTitleDisplayMode(.automatic)
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.navigationBarItems(trailing:
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ZStack {
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ConnectedDevice(bluetoothOn: bleManager.isSwitchedOn, deviceConnected: bleManager.connectedPeripheral != nil, name: (bleManager.connectedPeripheral != nil) ? bleManager.connectedPeripheral.shortName : "???")
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})
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.onAppear {
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self.bleManager.context = context
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}
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}
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.navigationViewStyle(StackNavigationViewStyle())
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}
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}
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