snapshot.swift

struct ContentView: View {
    @State var image:UIImage!
    var body: some View {
        if image == nil {
            TextView()
                .onTapGesture {
                    image = TextView().snapshot()
                    
                    let fileManager = FileManager.default
                    let cacheDirectory = fileManager.urls(for: .documentDirectory, in: .userDomainMask).first
                    let url = cacheDirectory?.appendingPathComponent("file.png")
                    let path = url!.path
                    print("url \(url)")
                    if let data = image.jpegData(compressionQuality: 1.0) {
                        try? data.write(to: url!)
                        }
                    }
                }
        if image != nil {
            Image(uiImage: image)
        }
    }
}

struct TextView: View {
    var body: some View {
        Text("6") { $0.tracking = CGFloat(10) }
            .font(Font.custom("Neuton-Regular", size: 128))
            .frame(width:200, height: 200)
            .background(Color.white)
            .border(Color.black)
            .ignoresSafeArea()
//            .onTapGesture {
//                for family in UIFont.familyNames {
//                         print(family)
//
//                         for names in UIFont.fontNames(forFamilyName: family){
//                         print("== \(names)")
//                         }
//                    }
//            }
    }
}