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comparison GeoQuiz/Components/CityMapHelper.swift @ 19:f140bb277c96

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refactor code
author Dennis C. M. <dennis@denniscm.com>
date Sun, 23 Oct 2022 00:11:38 +0100
parents a793f33f05fb
children
comparison
equal deleted inserted replaced
18:d20cf93c9812 19:f140bb277c96
7 7
8 import SwiftUI 8 import SwiftUI
9 import MapKit 9 import MapKit
10 10
11 struct CityMap: View { 11 struct CityMap: View {
12 @ObservedObject var game: CityGame 12 @ObservedObject var game: CityGameController
13 @State private var mapImage: UIImage? = nil 13
14 @StateObject var mapController: MapController
15
16 init(game: CityGameController) {
17 self.game = game
18 self._mapController = StateObject(wrappedValue: MapController())
19 }
14 20
15 var body: some View { 21 var body: some View {
16 VStack { 22 VStack {
17 if let mapImage = mapImage { 23 if let mapImage = mapController.image {
18 Image(uiImage: mapImage) 24 Image(uiImage: mapImage)
19 .resizable() 25 .resizable()
20 .scaledToFit() 26 .scaledToFit()
21 .clipShape(Circle()) 27 .clipShape(Circle())
22 .overlay { 28 .overlay {
26 .shadow(radius: 10) 32 .shadow(radius: 10)
27 } else { 33 } else {
28 ProgressView() 34 ProgressView()
29 } 35 }
30 } 36 }
31 .onChange(of: game.correctAnswer.value) { _ in getMapImage() } 37 .onChange(of: game.correctAnswer.value) { _ in
32 .onAppear(perform: getMapImage) 38 mapController.getMapImage(lat: game.correctAnswer.value.lat, lon: game.correctAnswer.value.lon)
33 } 39 }
34 40
35 private func getMapImage() { 41 .onAppear {
36 let region = MKCoordinateRegion( 42 mapController.getMapImage(lat: game.correctAnswer.value.lat, lon: game.correctAnswer.value.lon)
37 center: CLLocationCoordinate2D(
38 latitude: game.correctAnswer.value.lat,
39 longitude: game.correctAnswer.value.lon
40 ),
41 span: MKCoordinateSpan(
42 latitudeDelta: 0.1,
43 longitudeDelta: 0.1
44 )
45 )
46
47 // Map options
48 let mapOptions = MKMapSnapshotter.Options()
49 mapOptions.region = region
50 mapOptions.size = CGSize(width: 500, height: 500)
51 mapOptions.pointOfInterestFilter = .excludingAll
52
53 // Create the snapshotter and run it
54 let snapshotter = MKMapSnapshotter(options: mapOptions)
55 snapshotter.start { (snapshot, error) in
56 if let snapshot = snapshot {
57 self.mapImage = snapshot.image
58 } else if let error = error {
59 print(error.localizedDescription)
60 }
61 } 43 }
62 } 44 }
63 } 45 }
64 46
65 struct CityMap_Previews: PreviewProvider { 47 struct CityMap_Previews: PreviewProvider {
66 static var previews: some View { 48 static var previews: some View {
67 CityMap(game: CityGame()) 49 CityMap(game: CityGameController())
68 } 50 }
69 } 51 }