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re-zoom ok

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This commit is contained in:
Valentin CZERYBA 2024-11-17 11:10:43 +01:00
parent af65dc1cb0
commit 7f5d59857c
1 changed files with 30 additions and 0 deletions
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30
covas_mobile/lib/pages/MapboxPages.dart
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@ -260,12 +260,42 @@ class _MapboxPagesState extends State<MapboxPages> with ShowErrorDialog {
lineOpacity: 0.8,
),
);
_zoomToFitRoute(routeCoordinates);
}
} else {
showErrorDialog(context, "Invalid coordinates or user position.");
}
}
void _zoomToFitRoute(List<LatLng> coordinates) {
// Calculate the bounding box
double minLat = coordinates.first.latitude;
double maxLat = coordinates.first.latitude;
double minLng = coordinates.first.longitude;
double maxLng = coordinates.first.longitude;
for (LatLng coord in coordinates) {
if (coord.latitude < minLat) minLat = coord.latitude;
if (coord.latitude > maxLat) maxLat = coord.latitude;
if (coord.longitude < minLng) minLng = coord.longitude;
if (coord.longitude > maxLng) maxLng = coord.longitude;
}
// Define the bounds
LatLng southwest = LatLng(minLat, minLng);
LatLng northeast = LatLng(maxLat, maxLng);
mapController.moveCamera(
CameraUpdate.newLatLngBounds(
LatLngBounds(southwest: southwest, northeast: northeast),
left: 50, // Padding on the left
top: 50, // Padding on the top
right: 50, // Padding on the right
bottom: 50, // Padding on the bottom
),
);
}
// Load image from assets
Future<Uint8List> _loadMarkerImage(String assetPath) async {
final ByteData data = await rootBundle.load(assetPath);