struct ContentView: View { var body: some View { VirtualScreen(resolution: CGSize(width: 1280, height: 960)) { // AnyView(Color.white) Color.white } .background(Color.gray) } } struct VirtualScreen<Content: View>: View { var resolution: CGSize var content: Content init(resolution: CGSize, @ViewBuilder content: () -> Content) { self.resolution = resolution self.content = content() } var body: some View { GeometryReader { context in // GeometryReader { _ in self.content // } .frame(width: self.resolution.width, height: self.resolution.height) .scaleEffect(min(context.size.width / self.resolution.width, context.size.height / self.resolution.height)) } } }
