package org.opentrafficsim.road.gtu.lane.object.animation;
   
   import java.awt.Color;
   import java.awt.Graphics2D;
   import java.awt.geom.Rectangle2D;
   import java.awt.image.ImageObserver;
   import java.rmi.RemoteException;
   
   import javax.naming.NamingException;
  
  import nl.tudelft.simulation.dsol.animation.D2.Renderable2D;
  
  import org.opentrafficsim.core.dsol.OTSSimulatorInterface;
  import org.opentrafficsim.road.gtu.lane.object.LaneBlockOnOff;
  
  /**
   * Draw a road block.
   * <p>
   * Copyright (c) 2013-2015 Delft University of Technology, PO Box 5, 2600 AA, Delft, the Netherlands. All rights reserved. <br>
   * BSD-style license. See <a href="http://opentrafficsim.org/docs/license.html">OpenTrafficSim License</a>.
   * <p>
   * @version $Revision: 1155 $, $LastChangedDate: 2015-07-26 01:01:13 +0200 (Sun, 26 Jul 2015) $, by $Author: averbraeck $,
   *          initial version 29 dec. 2014 <br>
   * @author <a href="http://www.tbm.tudelft.nl/averbraeck">Alexander Verbraeck</a>
   * @author <a href="http://www.tudelft.nl/pknoppers">Peter Knoppers</a>
   */
  public class DefaultBlockOnOffAnimation extends Renderable2D
  {
      /** The half width left and right of the center line that is used to draw the block. */
      private final double halfWidth;
  
      /**
       * Construct the DefaultCarAnimation for a LaneBlock (road block).
       * @param source the Car to draw
       * @param simulator the simulator to schedule on
       * @throws NamingException in case of registration failure of the animation
       * @throws RemoteException on communication failure
       */
      public DefaultBlockOnOffAnimation(final LaneBlockOnOff source, final OTSSimulatorInterface simulator)
          throws NamingException, RemoteException
      {
          super(source, simulator);
          this.halfWidth = 0.4 * source.getLane().getWidth(0.0).getSI();
      }
  
      /** {@inheritDoc} */
      @Override
      public final void paint(final Graphics2D graphics, final ImageObserver observer) 
      {
          if (((LaneBlockOnOff) this.source).isBlocked())
          {
              graphics.setColor(Color.RED);
          }
          else
          {
              graphics.setColor(Color.GREEN);
          }
          Rectangle2D rectangle = new Rectangle2D.Double(-0.4, -this.halfWidth, 0.8, 2 * this.halfWidth);
          graphics.fill(rectangle);
      }
  
      /** {@inheritDoc} */
      @Override
      public final String toString()
      {
          return "DefaultBlockOnOffAnimation [getSource()=" + this.getSource() + "]";
      }
  
  }