changePoiStyle method
Implementation
@override
Future<void> changePoiStyle(String poiId, String styleId,
[bool transition = false]) async {
final style = manager._poiStyles[styleId]!;
if (style.icon != null) {
_preEncodedImage[poiId]![style.zoomLevel] =
encodeImageToBase64(await style.icon!.readBytes());
}
for (var inStyle in style.otherStyles) {
if (inStyle.icon == null) continue;
_preEncodedImage[poiId]![inStyle.zoomLevel] =
encodeImageToBase64(await style.icon!.readBytes());
}
_poiStyleId[poiId] = styleId;
}