add zoomfit

covas_mobile_new/lib/pages/MapboxPages.dart

@@ -168,6 +168,43 @@ class _MapboxPagesState extends State<MapboxPages> with ShowAlertDialog {
     }
   }
 
+  Future<void> _zoomToFitRoute(List<List<double>> coordinates) async {
+    if (mapboxMap == null || coordinates.isEmpty) return;
+
+    double minLat = coordinates.first[1];
+    double maxLat = coordinates.first[1];
+    double minLng = coordinates.first[0];
+    double maxLng = coordinates.first[0];
+
+    for (var coord in coordinates) {
+      if (coord[1] < minLat) minLat = coord[1];
+      if (coord[1] > maxLat) maxLat = coord[1];
+      if (coord[0] < minLng) minLng = coord[0];
+      if (coord[0] > maxLng) maxLng = coord[0];
+    }
+
+    final bounds = mapbox.CoordinateBounds(
+        southwest: mapbox.Point(coordinates: mapbox.Position(minLng, minLat)),
+        northeast: mapbox.Point(coordinates: mapbox.Position(maxLng, maxLat)),
+        infiniteBounds: true);
+
+    // Calculer une CameraOptions automatiquement à partir des bounds
+    final cameraOptions = await mapboxMap!.cameraForCoordinateBounds(
+        bounds,
+        mapbox.MbxEdgeInsets(
+            top: 50, left: 50, right: 50, bottom: 50), // marges
+        0.0,
+        0.0,
+        null,
+        null);
+
+    // Appliquer la caméra avec animation
+    await mapboxMap!.flyTo(
+      cameraOptions,
+      mapbox.MapAnimationOptions(duration: 1000),
+    );
+  }
+
   Future<void> _drawRouteAndMarkers() async {
     if (mapboxMap == null || !isUserPositionInitialized) return;