How to use

boundingBox

method

in

org.mapsforge.map.datastore.MapDataStore

/**
 * adds another mapDataStore
 *
 * @param mapDataStore      the mapDataStore to add
 * @param useStartZoomLevel if true, use the start zoom level of this mapDataStore as the start zoom level
 * @param useStartPosition  if true, use the start position of this mapDataStore as the start position
 */
public void addMapDataStore(MapDataStore mapDataStore, boolean useStartZoomLevel, boolean useStartPosition) {
  if (this.mapDatabases.contains(mapDataStore)) {
    throw new IllegalArgumentException("Duplicate map database");
  }
  this.mapDatabases.add(mapDataStore);
  if (useStartZoomLevel) {
    this.startZoomLevel = mapDataStore.startZoomLevel();
  }
  if (useStartPosition) {
    this.startPosition = mapDataStore.startPosition();
  }
  if (null == this.boundingBox) {
    this.boundingBox = mapDataStore.boundingBox();
  } else {
    this.boundingBox = this.boundingBox.extendBoundingBox(mapDataStore.boundingBox());
  }
}

Rectangle insideArea = this.mapDataStore.boundingBox().getPositionRelativeToTile(rendererJob.tile);
if (!rendererJob.hasAlpha) {
  renderContext.canvasRasterer.fillOutsideAreas(renderContext.renderTheme.getMapBackgroundOutside(), insideArea);

Rectangle insideArea = this.mapDataStore.boundingBox().getPositionRelativeToTile(rendererJob.tile);
if (!rendererJob.hasAlpha) {
  renderContext.canvasRasterer.fillOutsideAreas(renderContext.renderTheme.getMapBackgroundOutside(), insideArea);

private BoundingBox getMapBoundingBox() {
  Collection<Layer> values = mapsToLayers.values();
  if (!values.isEmpty()) {
    Layer layer = values.iterator().next();
    if (layer instanceof TileRendererLayer) {
      TileRendererLayer tileRendererLayer = (TileRendererLayer) layer;
      return toBoundingBox(tileRendererLayer.getMapDataStore().boundingBox());
    }
  }
  return null;
}

/**
 * adds another mapDataStore
 *
 * @param mapDataStore      the mapDataStore to add
 * @param useStartZoomLevel if true, use the start zoom level of this mapDataStore as the start zoom level
 * @param useStartPosition  if true, use the start position of this mapDataStore as the start position
 */
public void addMapDataStore(MapDataStore mapDataStore, boolean useStartZoomLevel, boolean useStartPosition) {
  if (this.mapDatabases.contains(mapDataStore)) {
    throw new IllegalArgumentException("Duplicate map database");
  }
  this.mapDatabases.add(mapDataStore);
  if (useStartZoomLevel) {
    this.startZoomLevel = mapDataStore.startZoomLevel();
  }
  if (useStartPosition) {
    this.startPosition = mapDataStore.startPosition();
  }
  if (null == this.boundingBox) {
    this.boundingBox = mapDataStore.boundingBox();
  } else {
    this.boundingBox = this.boundingBox.extendBoundingBox(mapDataStore.boundingBox());
  }
}

@Override
protected MapPosition getInitialPosition() {
  int tileSize = this.mapView.getModel().displayModel.getTileSize();
  byte zoomLevel = LatLongUtils.zoomForBounds(new Dimension(tileSize * 4, tileSize * 4), getMapFile().boundingBox(), tileSize);
  return new MapPosition(getMapFile().boundingBox().getCenterPoint(), zoomLevel);
}

@Override
protected MapPosition getInitialPosition() {
  int tileSize = this.mapView.getModel().displayModel.getTileSize();
  byte zoomLevel = LatLongUtils.zoomForBounds(new Dimension(tileSize * 4, tileSize * 4), getMapFile().boundingBox(), tileSize);
  return new MapPosition(getMapFile().boundingBox().getCenterPoint(), zoomLevel);
}

public void setMapFile(final String mapFile) {
 if ((mapFile == null) || (mapFile.equals(mapFile_)))
   return;
 mapFile_ = mapFile;
 if (mapDatabase_ != null)
  mapDatabase_.close();
 if (theme_ != null)
  theme_.decrementRefCount();
 mapDatabase_ = new MapFile(new File(mapFile));
 InMemoryTileCache tileCache = new InMemoryTileCache(2);
 mapGenerator_ = new DatabaseRenderer(
     mapDatabase_,
     AndroidGraphicFactory.INSTANCE,
     tileCache,
     new TileBasedLabelStore(tileCache.getCapacityFirstLevel()),
     true,
     true,
     null
 );
 mapBounds_ = mapDatabase_.boundingBox();
 final GraphicFactory gf = AndroidGraphicFactory.INSTANCE;
 final XmlRenderTheme theme = InternalRenderTheme.OSMARENDER;
 theme_ = new RenderThemeFuture(gf, theme, displayModel_);
 new Thread(theme_).start();
 zoomBounds_ = -1;
}

Rectangle insideArea = this.mapDataStore.boundingBox().getPositionRelativeToTile(rendererJob.tile);
if (!rendererJob.hasAlpha) {
  renderContext.canvasRasterer.fillOutsideAreas(renderContext.renderTheme.getMapBackgroundOutside(), insideArea);