134 lines
3.9 KiB
Swift
134 lines
3.9 KiB
Swift
import SwiftUI
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import SFSafeSymbols
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struct CameraView: View {
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static let cameraImagePadding: CGFloat = 300
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private static let circleSize: CGFloat = 180
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private var circleSize: CGFloat {
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CameraView.circleSize
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}
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static var circleCropFactor: CGFloat {
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let fullWidth = UIScreen.main.bounds.width + 2 * cameraImagePadding
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return circleSize / fullWidth
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}
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private let circleStrength: CGFloat = 3
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private let circleColor: Color = .green
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private let captureButtonSize: CGFloat = 110
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private let captureButtonHeight: CGFloat = 40
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private let captureButtonWidth: CGFloat = 50
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private let cancelButtonSize: CGFloat = 75
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private let cancelIconSize: CGFloat = 25
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@Binding
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var isPresented: Bool
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@Binding
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var image: UIImage?
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@Binding
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var capId: Int?
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@StateObject
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private var model = ContentViewModel()
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@EnvironmentObject
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var database: Database
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var body: some View {
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ZStack {
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FrameView(image: model.frame)
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.edgesIgnoringSafeArea(.all)
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.padding(-CameraView.cameraImagePadding)
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ErrorView(error: model.error)
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VStack {
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Spacer()
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HStack {
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Spacer()
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Button(action: dismiss) {
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Image(systemSymbol: .xmark)
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.resizable()
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.frame(width: cancelIconSize, height: cancelIconSize)
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.padding((cancelButtonSize-cancelIconSize)/2)
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.background(.thinMaterial)
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.cornerRadius(cancelButtonSize/2)
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}.padding()
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}
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}
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VStack {
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Spacer()
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HStack {
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Spacer()
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Button(action: capture) {
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Image(systemSymbol: .camera)
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.resizable()
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.frame(width: captureButtonWidth, height: captureButtonHeight)
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.padding(.horizontal, (captureButtonSize - captureButtonWidth)/2)
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.padding(.vertical, (captureButtonSize - captureButtonHeight)/2)
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.background(.thinMaterial)
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.cornerRadius(captureButtonSize / 2)
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}.padding()
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Spacer()
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}
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}
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VStack {
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Spacer()
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HStack {
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Spacer()
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Text("")
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.frame(width: circleSize, height: circleSize, alignment: .center)
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.overlay(RoundedRectangle(cornerRadius: circleSize/2)
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.stroke(lineWidth: circleStrength)
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.foregroundColor(circleColor))
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.background(Color(white: 1, opacity: 0.01))
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.onAppear(perform: didTapCircle)
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Spacer()
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}
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Spacer()
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}.ignoresSafeArea()
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}
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.onAppear() {
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model.startCapture()
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}
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.onDisappear {
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model.endCapture()
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}.onChange(of: model.image) { image in
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if let capId = capId, let image = image {
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database.save(image, for: capId)
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} else {
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database.image = image
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}
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dismiss()
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}
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}
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private func dismiss() {
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isPresented = false
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self.capId = nil
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}
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private func capture() {
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model.captureImage()
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}
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private func didTapCircle() {
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model.continuouslyFocusOnMiddle()
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}
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}
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struct CameraView_Previews: PreviewProvider {
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static var previews: some View {
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CameraView(isPresented: .constant(true),
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image: .constant(nil),
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capId: .constant(nil))
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}
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}
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