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annotate GeoQuiz/Components/CityMapHelper.swift @ 14:136928bae534
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| author | Dennis C. M. <dennis@denniscm.com> |
|---|---|
| date | Wed, 19 Oct 2022 07:56:33 +0200 |
| parents | a793f33f05fb |
| children | f140bb277c96 |
| rev | line source |
|---|---|
| 6 | 1 // |
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10
a793f33f05fb
refactor code and fix layout
Dennis C. M. <dennis@denniscm.com>
parents:
8
diff
changeset
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2 // CityMapHelper.swift |
| 6 | 3 // GeoQuiz |
| 4 // | |
| 7 | 5 // Created by Dennis Concepción Martín on 4/10/22. |
| 6 | 6 // |
| 7 | |
| 8 import SwiftUI | |
| 8 | 9 import MapKit |
| 6 | 10 |
| 11 struct CityMap: View { | |
| 7 | 12 @ObservedObject var game: CityGame |
| 8 | 13 @State private var mapImage: UIImage? = nil |
| 14 | |
| 6 | 15 var body: some View { |
| 8 | 16 VStack { |
| 17 if let mapImage = mapImage { | |
| 7 | 18 Image(uiImage: mapImage) |
| 19 .resizable() | |
| 20 .scaledToFit() | |
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10
a793f33f05fb
refactor code and fix layout
Dennis C. M. <dennis@denniscm.com>
parents:
8
diff
changeset
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21 .clipShape(Circle()) |
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a793f33f05fb
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Dennis C. M. <dennis@denniscm.com>
parents:
8
diff
changeset
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22 .overlay { |
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a793f33f05fb
refactor code and fix layout
Dennis C. M. <dennis@denniscm.com>
parents:
8
diff
changeset
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23 Circle() |
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a793f33f05fb
refactor code and fix layout
Dennis C. M. <dennis@denniscm.com>
parents:
8
diff
changeset
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24 .strokeBorder(.white, lineWidth: 4) |
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a793f33f05fb
refactor code and fix layout
Dennis C. M. <dennis@denniscm.com>
parents:
8
diff
changeset
|
25 } |
| 7 | 26 .shadow(radius: 10) |
| 27 } else { | |
| 28 ProgressView() | |
| 29 } | |
| 30 } | |
| 8 | 31 .onChange(of: game.correctAnswer.value) { _ in getMapImage() } |
| 32 .onAppear(perform: getMapImage) | |
| 33 } | |
| 34 | |
| 35 private func getMapImage() { | |
| 36 let region = MKCoordinateRegion( | |
| 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 | |
|
10
a793f33f05fb
refactor code and fix layout
Dennis C. M. <dennis@denniscm.com>
parents:
8
diff
changeset
|
50 mapOptions.size = CGSize(width: 500, height: 500) |
| 8 | 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 } | |
| 6 | 62 } |
| 63 } | |
| 64 | |
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10
a793f33f05fb
refactor code and fix layout
Dennis C. M. <dennis@denniscm.com>
parents:
8
diff
changeset
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65 struct CityMap_Previews: PreviewProvider { |
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a793f33f05fb
refactor code and fix layout
Dennis C. M. <dennis@denniscm.com>
parents:
8
diff
changeset
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66 static var previews: some View { |
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a793f33f05fb
refactor code and fix layout
Dennis C. M. <dennis@denniscm.com>
parents:
8
diff
changeset
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67 CityMap(game: CityGame()) |
|
a793f33f05fb
refactor code and fix layout
Dennis C. M. <dennis@denniscm.com>
parents:
8
diff
changeset
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68 } |
|
a793f33f05fb
refactor code and fix layout
Dennis C. M. <dennis@denniscm.com>
parents:
8
diff
changeset
|
69 } |