getImage method
Retrieve a tile as an image, based on it's coordinates and the current TileLayerOptions
Implementation
@override
AssetImage getImage(Coords<num> coords, TileLayer options) {
return AssetImage(
getTileUrl(coords, options),
bundle: _FlutterMapAssetBundle(
fallbackKey: getTileFallbackUrl(coords, options),
),
);
}