IMapView.java :  » Map » osmeditor4android » de » blau » android » views » Android Open Source

package de.blau.android.views;


import android.graphics.Rect;
import de.blau.android.osm.BoundingBox;

/**
 * Interface for a graphical component that can
 * be used with {@link org.andnav.osm.views.overlay.OpenStreetMapTilesOverlay} and
 * other {@link org.andnav.osm.views.overlay.OpenStreetMapViewOverlay} to render on.
 */
public interface IMapView {

  /**
   * Get the current ZoomLevel for the map tiles.
   * @param viewPort 
   * @return the current ZoomLevel between 0 (equator) and 18/19(closest),
   *         depending on the Renderer chosen.
   */
  public abstract int getZoomLevel(final Rect viewPort);

  /**
   * @return The visible area in decimal-degree (WGS84) -space.
   */
  public BoundingBox getViewBox();
}