package org.opentrafficsim.road.network.animation;
   
   import java.awt.Color;
   import java.awt.Font;
   import java.awt.Graphics2D;
   import java.awt.geom.Ellipse2D;
   import java.awt.geom.Rectangle2D;
   import java.awt.image.ImageObserver;
   import java.io.Serializable;
  import java.rmi.RemoteException;
  
  import javax.naming.NamingException;
  
  import org.djunits.unit.SpeedUnit;
  import org.opentrafficsim.road.network.lane.object.SpeedSign;
  
  import nl.tudelft.simulation.dsol.animation.D2.Renderable2D;
  import nl.tudelft.simulation.dsol.simulators.SimulatorInterface;
  
  /**
   * <p>
   * Copyright (c) 2013-2018 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/node/13">OpenTrafficSim License</a>.
   * <p>
   * @version $Revision$, $LastChangedDate$, by $Author$, initial version 20 apr. 2017 <br>
   * @author <a href="http://www.tbm.tudelft.nl/averbraeck">Alexander Verbraeck</a>
   * @author <a href="http://www.tudelft.nl/pknoppers">Peter Knoppers</a>
   * @author <a href="http://www.transport.citg.tudelft.nl">Wouter Schakel</a>
   */
  
  public class SpeedSignAnimation extends Renderable2D<SpeedSign> implements Serializable
  {
  
      /** */
      private static final long serialVersionUID = 20170420L;
  
      /** Radius in meters. */
      private static final double RADIUS = 1.6;
  
      /** Radius in meters. */
      private static final double EDGE = 1.3;
  
      /**
       * @param source speed sign
       * @param simulator simulator
       * @throws NamingException ne
       * @throws RemoteException on communication failure
       */
      public SpeedSignAnimation(final SpeedSign source, final SimulatorInterface.TimeDoubleUnit simulator)
              throws NamingException, RemoteException
      {
          super(source, simulator);
          setRotate(false);
      }
  
      /** {@inheritDoc} */
      @Override
      public final void paint(final Graphics2D g, final ImageObserver arg1) throws RemoteException
      {
          Ellipse2D ellipse = new Ellipse2D.Double(-RADIUS, -RADIUS, 2 * RADIUS, 2 * RADIUS);
          g.setColor(Color.RED);
          g.fill(ellipse);
          ellipse = new Ellipse2D.Double(-EDGE, -EDGE, 2 * EDGE, 2 * EDGE);
          g.setColor(Color.WHITE);
          g.fill(ellipse);
          g.setColor(Color.BLACK);
          int speed = (int) getSource().getSpeed().getInUnit(SpeedUnit.KM_PER_HOUR);
          if (speed < 100)
          {
              g.setFont(new Font("Arial", 0, -1).deriveFont(2.0f));
          }
          else
          {
              g.setFont(new Font("Arial narrow", 0, -1).deriveFont(1.85f));
          }
          String str = Integer.toString(speed);
          Rectangle2D stringBounds = g.getFontMetrics().getStringBounds(str, g);
          g.drawString(str, (float) -stringBounds.getCenterX(), (float) -stringBounds.getCenterY());
      }
  
      /** {@inheritDoc} */
      @Override
      public final String toString()
      {
          return "SpeedSignAnimation";
      }
  
  }