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In this code, I aim to enable users to select an image from their phone gallery and display it with less opacity on top of the z-index. The selected image should appear on top of the user's phone camera feed, allowing them to see the canvas on which they are drawing as well as the low-opacity image. The app's purpose is to enable users to trace an image on the canvas while simultaneously seeing the camera feed.
CameraView.swift
import SwiftUI
import AVFoundation
struct CameraView: View {
let selectedImage: UIImage
var body: some View {
ZStack {
CameraPreview()
Image(uiImage: selectedImage)
.resizable()
.aspectRatio(contentMode: .fill)
.opacity(0.5) // Adjust the opacity as needed
.edgesIgnoringSafeArea(.all)
}
}
}
struct CameraPreview: UIViewRepresentable {
func makeUIView(context: Context) -> UIView {
let cameraPreview = CameraPreviewView()
return cameraPreview
}
func updateUIView(_ uiView: UIView, context: Context) {}
}
class CameraPreviewView: UIView {
private let captureSession = AVCaptureSession()
override init(frame: CGRect) {
super.init(frame: frame)
setupCamera()
}
required init?(coder: NSCoder) {
fatalError("init(coder:) has not been implemented")
}
private func setupCamera() {
guard let backCamera = AVCaptureDevice.default(for: .video) else {
print("Unable to access camera")
return
}
do {
let input = try AVCaptureDeviceInput(device: backCamera)
if captureSession.canAddInput(input) {
captureSession.addInput(input)
let previewLayer = AVCaptureVideoPreviewLayer(session: captureSession)
previewLayer.videoGravity = .resizeAspectFill
previewLayer.frame = bounds
layer.addSublayer(previewLayer)
captureSession.startRunning()
}
} catch {
print("Error setting up camera input:", error.localizedDescription)
}
}
}
Thanks for helping and your time.
Posted
by
jhems.
Last updated
jhems.
.