setZoomLevel method
Implementation
MapViewPosition setZoomLevel(int zoomLevel) {
if (zoomLevel > displayModel.maxZoomLevel)
zoomLevel = displayModel.maxZoomLevel;
if (zoomLevel < 0) zoomLevel = 0;
if (_mapViewPosition != null) {
if (_mapViewPosition!.zoomLevel == zoomLevel &&
_mapViewPosition!.scale == 1) return _mapViewPosition!;
MapViewPosition newPosition =
MapViewPosition.zoom(_mapViewPosition!, zoomLevel);
_mapViewPosition = newPosition;
_injectPosition.add(newPosition);
return newPosition;
} else {
MapViewPosition newPosition = MapViewPosition(
null,
null,
zoomLevel,
displayModel.DEFAULT_INDOOR_LEVEL,
displayModel.tileSize,
displayModel.DEFAULT_ROTATION);
_mapViewPosition = newPosition;
_injectPosition.add(newPosition);
return newPosition;
}
}