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1   /*
2    * Created on Dec 18, 2003
3    * 
4    * Copyright (c) 2003, 2004 Delft University of Technology Jaffalaan 5, 2628 BX
5    * Delft, the Netherlands All rights reserved.
6    * 
7    * This software is proprietary information of Delft University of Technology
8    * The code is published under the General Public License
9    */
10  
11  package nl.tudelft.simulation.traffic.animation;
12  
13  import java.awt.BasicStroke;
14  import java.awt.Color;
15  import java.awt.Font;
16  import java.awt.Graphics2D;
17  import java.awt.geom.Ellipse2D;
18  import java.awt.geom.Line2D;
19  import java.awt.geom.Rectangle2D;
20  import java.awt.image.ImageObserver;
21  import java.rmi.RemoteException;
22  
23  import nl.tudelft.simulation.dsol.animation.LocatableInterface;
24  import nl.tudelft.simulation.dsol.animation.D2.Renderable2D;
25  import nl.tudelft.simulation.dsol.simulators.SimulatorInterface;
26  import nl.tudelft.simulation.traffic.controlpoint.blocks.BlockTrafficLight;
27  import nl.tudelft.simulation.traffic.controlpoint.blocks.SwitchBlockTrafficLight;
28  
29  /***
30   * This class is used for the animation of a green / red / yellow + green block
31   * traffic light.
32   * <p>
33   * (c) copyright 2004 <a href="http://www.simulation.tudelft.nl">Delft
34   * University of Technology </a>, the Netherlands.
35   * <p>
36   * See for project information <a href="http://www.simulation.tudelft.nl">
37   * www.simulation.tudelft.nl </a> <br>
38   * License of use: <a href="http://www.gnu.org/copyleft/gpl.html">General
39   * Public License (GPL) </a>, no warranty <br>
40   * 
41   * @version 1.0 June 1, 2004 <br>
42   * @author <a
43   * href="http://www.tbm.tudelft.nl/webstaf/alexandv/index.htm">Alexander
44   * Verbraeck </a> <br>
45   * <b>Original version: </b> H.W.G. Phaff & J.H. Kwakkel
46   * @see nl.tudelft.simulation.traffic.track.TrackInterface
47   */
48  public class SwitchBlockTrafficLightAnimation extends Renderable2D
49  {
50      /*** the deltax of the place of the traffic light */
51      private double deltax;
52  
53      /*** the deltay of the place of the traffic light */
54      private double deltay;
55  
56      /***
57       * @param owner
58       * @param simulator
59       */
60      public SwitchBlockTrafficLightAnimation(final LocatableInterface owner,
61              final SimulatorInterface simulator)
62      {
63          this(owner, simulator, 0.0, 0.0);
64      }
65  
66      /***
67       * @param owner
68       * @param simulator
69       * @param deltax
70       * @param deltay
71       */
72      public SwitchBlockTrafficLightAnimation(final LocatableInterface owner,
73              final SimulatorInterface simulator, final double deltax,
74              final double deltay)
75      {
76          super(owner, simulator);
77          this.deltax = deltax;
78          this.deltay = -deltay;
79      }
80  
81      /***
82       * @see nl.tudelft.simulation.dsol.animation.D2.Renderable2D#paint(java.awt.Graphics2D,
83       * java.awt.image.ImageObserver)
84       */
85      public void paint(Graphics2D graphics, ImageObserver imo)
86              throws RemoteException
87      {
88          SwitchBlockTrafficLight trafficLight = (SwitchBlockTrafficLight) super.source;
89          graphics.setColor(Color.BLACK);
90          graphics.setStroke(new BasicStroke(0.05f));
91          graphics.draw(new Line2D.Double(0, 0, this.deltax, this.deltay));
92          graphics.fill(new Rectangle2D.Double(this.deltax - 2, this.deltay - 12,
93                  4, 12));
94          String state = trafficLight.getCurrentState();
95          if (state == BlockTrafficLight.STATE_GREEN)
96          {
97              graphics.setColor(Color.GREEN);
98              graphics.fill(new Ellipse2D.Double(this.deltax - 1.5,
99                      this.deltay - 3.5, 3, 3));
100         } else if (state == BlockTrafficLight.STATE_RED)
101         {
102             graphics.setColor(Color.RED);
103             graphics.fill(new Ellipse2D.Double(this.deltax - 1.5,
104                     this.deltay - 7.5, 3, 3));
105         } else if (state == BlockTrafficLight.STATE_YELLOW)
106         {
107             graphics.setColor(Color.GREEN);
108             graphics.fill(new Ellipse2D.Double(this.deltax - 1.5,
109                     this.deltay - 3.5, 3, 3));
110             graphics.setColor(Color.YELLOW);
111             graphics.fill(new Ellipse2D.Double(this.deltax - 1.5,
112                     this.deltay - 11.5, 3, 3));
113         }
114         if (true)
115         {
116             graphics.setColor(Color.BLACK);
117             Font smallFont = new Font("SansSerif", Font.PLAIN, 2);
118             graphics.setFont(smallFont);
119             graphics.drawString(this.source.toString(),
120                     (float) (this.deltax + 4), (float) (this.deltay));
121         }
122     }
123 }