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1   package org.opentrafficsim.draw.road;
2   
3   import java.awt.Color;
4   import java.awt.Graphics2D;
5   import java.awt.image.ImageObserver;
6   import java.io.Serializable;
7   import java.rmi.RemoteException;
8   
9   import javax.naming.NamingException;
10  
11  import org.djunits.unit.LengthUnit;
12  import org.djunits.value.vdouble.scalar.Length;
13  import org.opentrafficsim.core.dsol.OtsSimulatorInterface;
14  import org.opentrafficsim.draw.core.TextAlignment;
15  import org.opentrafficsim.draw.core.TextAnimation;
16  import org.opentrafficsim.road.network.lane.object.trafficlight.TrafficLight;
17  
18  import nl.tudelft.simulation.dsol.animation.Locatable;
19  import nl.tudelft.simulation.dsol.animation.D2.Renderable2DInterface;
20  import nl.tudelft.simulation.naming.context.Contextualized;
21  
22  /**
23   * Draw a traffic light on the road at th place where the cars are expected to stop.
24   * <p>
25   * Copyright (c) 2013-2023 Delft University of Technology, PO Box 5, 2600 AA, Delft, the Netherlands. All rights reserved. <br>
26   * BSD-style license. See <a href="https://opentrafficsim.org/docs/license.html">OpenTrafficSim License</a>.
27   * </p>
28   * @author <a href="https://github.com/averbraeck">Alexander Verbraeck</a>
29   * @author <a href="https://tudelft.nl/staff/p.knoppers-1">Peter Knoppers</a>
30   */
31  public class TrafficLightAnimation extends AbstractLineAnimation<TrafficLight>
32          implements Renderable2DInterface<TrafficLight>, Serializable
33  {
34      /** */
35      private static final long serialVersionUID = 20160000L;
36  
37      /** the Text object to destroy when the animation is destroyed. */
38      private final Text text;
39  
40      /**
41       * Construct the DefaultCarAnimation for a LaneBlock (road block).
42       * @param trafficLight TrafficLight; the CSEBlock to draw
43       * @param simulator OtsSimulatorInterface; the simulator to schedule on
44       * @throws NamingException in case of registration failure of the animation
45       * @throws RemoteException on communication failure
46       */
47      public TrafficLightAnimation(final TrafficLight trafficLight, final OtsSimulatorInterface simulator)
48              throws NamingException, RemoteException
49      {
50          super(trafficLight, simulator, 0.9, new Length(0.5, LengthUnit.SI));
51  
52          this.text = new Text(trafficLight,
53                  trafficLight.getLane().getParentLink().getId() + "." + trafficLight.getLane().getId() + trafficLight.getId(),
54                  0.0f, (float) getHalfLength() + 0.2f, TextAlignment.CENTER, Color.BLACK, simulator);
55      }
56  
57      /**
58       * @return text.
59       */
60      public final Text getText()
61      {
62          return this.text;
63      }
64  
65      /**
66       * {@inheritDoc}
67       */
68      @Override
69      public final void paint(final Graphics2D graphics, final ImageObserver observer)
70      {
71          TrafficLight trafficLight = getSource();
72          Color fillColor;
73          switch (trafficLight.getTrafficLightColor())
74          {
75              case RED:
76                  fillColor = Color.red;
77                  break;
78  
79              case YELLOW:
80                  fillColor = Color.yellow;
81                  break;
82  
83              case GREEN:
84                  fillColor = Color.green;
85                  break;
86  
87              default:
88                  fillColor = Color.black;
89                  break;
90          }
91  
92          // PaintPolygons.paintMultiPolygon(graphics, fillColor, trafficLight.getLocation(), trafficLight.getGeometry(), false);
93          graphics.setColor(fillColor);
94          super.paint(graphics, observer);
95      }
96  
97      /** {@inheritDoc} */
98      @Override
99      public void destroy(final Contextualized contextProvider)
100     {
101         super.destroy(contextProvider);
102         this.text.destroy(contextProvider);
103     }
104 
105     /** {@inheritDoc} */
106     @Override
107     public final String toString()
108     {
109         return "TrafficLightAnimation [getSource()=" + this.getSource() + "]";
110     }
111 
112     /**
113      * Text animation for the TrafficLight. Separate class to be able to turn it on and off...
114      * <p>
115      * Copyright (c) 2013-2023 Delft University of Technology, PO Box 5, 2600 AA, Delft, the Netherlands. All rights reserved.
116      * <br>
117      * BSD-style license. See <a href="https://opentrafficsim.org/docs/license.html">OpenTrafficSim License</a>.
118      * </p>
119      * @author <a href="https://github.com/averbraeck">Alexander Verbraeck</a>
120      * @author <a href="https://tudelft.nl/staff/p.knoppers-1">Peter Knoppers</a>
121      * @author <a href="https://dittlab.tudelft.nl">Wouter Schakel</a>
122      */
123     public class Text extends TextAnimation
124     {
125         /** */
126         private static final long serialVersionUID = 20161211L;
127 
128         /**
129          * @param source Locatable; the object for which the text is displayed
130          * @param text String; the text to display
131          * @param dx float; the horizontal movement of the text, in meters
132          * @param dy float; the vertical movement of the text, in meters
133          * @param textPlacement TextAlignment; where to place the text
134          * @param color Color; the color of the text
135          * @param simulator OtsSimulatorInterface; the simulator
136          * @throws NamingException when animation context cannot be created or retrieved
137          * @throws RemoteException - when remote context cannot be found
138          */
139         public Text(final Locatable source, final String text, final float dx, final float dy,
140                 final TextAlignment textPlacement, final Color color, final OtsSimulatorInterface simulator)
141                 throws RemoteException, NamingException
142         {
143             super(source, text, dx, dy, textPlacement, color, simulator, TextAnimation.RENDERALWAYS);
144         }
145 
146         /** {@inheritDoc} */
147         @Override
148         public final String toString()
149         {
150             return "Text []";
151         }
152     }
153 
154 }