project method
Calculate a point on the map in Mercator Projection for a given coordinate at the specified zoom scale.
@param coordinate The longitude-latitude pair for which to return the value. @param zoomScale The current zoom factor (2 ^ Zoom level) applied on the map, is used to calculate the world size as tileSize * zoomScale (i.e., 512 * 2 ^ Zoom level) where tileSize is the width of a tile in pixels.
@return Returns a point on the map in Mercator projection.
Implementation
Future<MercatorCoordinate> project(Point coordinate, double zoomScale) async {
final String pigeonVar_channelName =
'dev.flutter.pigeon.mapbox_maps_flutter.Projection.project$pigeonVar_messageChannelSuffix';
final BasicMessageChannel<Object?> pigeonVar_channel =
BasicMessageChannel<Object?>(
pigeonVar_channelName,
pigeonChannelCodec,
binaryMessenger: pigeonVar_binaryMessenger,
);
final Future<Object?> pigeonVar_sendFuture =
pigeonVar_channel.send(<Object?>[coordinate, zoomScale]);
final List<Object?>? pigeonVar_replyList =
await pigeonVar_sendFuture as List<Object?>?;
if (pigeonVar_replyList == null) {
throw _createConnectionError(pigeonVar_channelName);
} else if (pigeonVar_replyList.length > 1) {
throw PlatformException(
code: pigeonVar_replyList[0]! as String,
message: pigeonVar_replyList[1] as String?,
details: pigeonVar_replyList[2],
);
} else if (pigeonVar_replyList[0] == null) {
throw PlatformException(
code: 'null-error',
message: 'Host platform returned null value for non-null return value.',
);
} else {
return (pigeonVar_replyList[0] as MercatorCoordinate?)!;
}
}