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  1. <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"

  2.         "http://www.w3.org/TR/html4/loose.dtd">

  3. <!-- NewPage -->

  4. <html lang="de">

  5. <head>

  6.     <!-- Generated by javadoc (1.8.0_242-release) on Sun Nov 15 16:26:40 CET 2020 -->

  7.     <title>Renderer</title>

  8.     <meta content="2020-11-15" name="date">

  9.     <link href="../../../stylesheet.css" rel="stylesheet" title="Style" type="text/css">

  10.     <script src="../../../script.js" type="text/javascript"></script>

  11. </head>

  12. <body>

  13. <script type="text/javascript"><!--

  14.     try {

  15.         if (location.href.indexOf('is-external=true') == -1) {

  16.             parent.document.title="Renderer";

  17.         }

  18.     }

  19.     catch(err) {

  20.     }

  21. //-->

  22. var methods = {"i0":10,"i1":10,"i2":10,"i3":10};

  23. var tabs = {65535:["t0","All Methods"],2:["t2","Instance Methods"],8:["t4","Concrete Methods"]};

  24. var altColor = "altColor";

  25. var rowColor = "rowColor";

  26. var tableTab = "tableTab";

  27. var activeTableTab = "activeTableTab";

  28. 

  29. </script>

  30. <noscript>

  31.     <div>JavaScript is disabled on your browser.</div>

  32. </noscript>

  33. <!-- ========= START OF TOP NAVBAR ======= -->

  34. <div class="topNav"><a name="navbar.top">

  35.     <!--   -->

  36. </a>

  37.     <div class="skipNav"><a href="#skip.navbar.top" title="Skip navigation links">Skip navigation

  38.         links</a></div>

  39.     <a name="navbar.top.firstrow">

  40.         <!--   -->

  41.     </a>

  42.     <ul class="navList" title="Navigation">

  43.         <li><a href="../../../de/hems/trafficsim/package-summary.html">Package</a></li>

  44.         <li class="navBarCell1Rev">Class</li>

  45.         <li><a href="package-tree.html">Tree</a></li>

  46.         <li><a href="../../../deprecated-list.html">Deprecated</a></li>

  47.         <li><a href="../../../index-files/index-1.html">Index</a></li>

  48.         <li><a href="../../../help-doc.html">Help</a></li>

  49.     </ul>

  50. </div>

  51. <div class="subNav">

  52.     <ul class="navList">

  53.         <li><a href="../../../de/hems/trafficsim/MainActivity.html"

  54.                title="class in de.hems.trafficsim"><span class="typeNameLink">Prev&nbsp;Class</span></a>

  55.         </li>

  56.         <li><a href="../../../de/hems/trafficsim/TimeRecordView.html"

  57.                title="class in de.hems.trafficsim"><span class="typeNameLink">Next&nbsp;Class</span></a>

  58.         </li>

  59.     </ul>

  60.     <ul class="navList">

  61.         <li><a href="../../../index.html?de/hems/trafficsim/Renderer.html" target="_top">Frames</a>

  62.         </li>

  63.         <li><a href="Renderer.html" target="_top">No&nbsp;Frames</a></li>

  64.     </ul>

  65.     <ul class="navList" id="allclasses_navbar_top">

  66.         <li><a href="../../../allclasses-noframe.html">All&nbsp;Classes</a></li>

  67.     </ul>

  68.     <div>

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  70.   allClassesLink = document.getElementById("allclasses_navbar_top");

  71.   if(window==top) {

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  73.   }

  74.   else {

  75.     allClassesLink.style.display = "none";

  76.   }

  77.   //-->

  78. 

  79.         </script>

  80.     </div>

  81.     <div>

  82.         <ul class="subNavList">

  83.             <li>Summary:&nbsp;</li>

  84.             <li>Nested&nbsp;|&nbsp;</li>

  85.             <li><a href="#field.summary">Field</a>&nbsp;|&nbsp;</li>

  86.             <li><a href="#constructor.summary">Constr</a>&nbsp;|&nbsp;</li>

  87.             <li><a href="#method.summary">Method</a></li>

  88.         </ul>

  89.         <ul class="subNavList">

  90.             <li>Detail:&nbsp;</li>

  91.             <li><a href="#field.detail">Field</a>&nbsp;|&nbsp;</li>

  92.             <li><a href="#constructor.detail">Constr</a>&nbsp;|&nbsp;</li>

  93.             <li><a href="#method.detail">Method</a></li>

  94.         </ul>

  95.     </div>

  96.     <a name="skip.navbar.top">

  97.         <!--   -->

  98.     </a></div>

  99. <!-- ========= END OF TOP NAVBAR ========= -->

  100. <!-- ======== START OF CLASS DATA ======== -->

  101. <div class="header">

  102.     <div class="subTitle">de.hems.trafficsim</div>

  103.     <h2 class="title" title="Class Renderer">Class Renderer</h2>

  104. </div>

  105. <div class="contentContainer">

  106.     <ul class="inheritance">

  107.         <li>java.lang.Object</li>

  108.         <li>

  109.             <ul class="inheritance">

  110.                 <li>de.hems.trafficsim.Renderer</li>

  111.             </ul>

  112.         </li>

  113.     </ul>

  114.     <div class="description">

  115.         <ul class="blockList">

  116.             <li class="blockList">

  117.                 <hr>

  118.                 <br>

  119.                 <pre>public class <span class="typeNameLabel">Renderer</span>

  120. extends java.lang.Object</pre>

  121.                 <div class="block">User interface class rendering the track history on a

  122.                     SurfaceView.

  123.                 </div>

  124.             </li>

  125.         </ul>

  126.     </div>

  127.     <div class="summary">

  128.         <ul class="blockList">

  129.             <li class="blockList">

  130.                 <!-- =========== FIELD SUMMARY =========== -->

  131.                 <ul class="blockList">

  132.                     <li class="blockList"><a name="field.summary">

  133.                         <!--   -->

  134.                     </a>

  135.                         <h3>Field Summary</h3>

  136.                         <table border="0" cellpadding="3" cellspacing="0" class="memberSummary"

  137.                                summary="Field Summary table, listing fields, and an explanation">

  138.                             <caption><span>Fields</span><span class="tabEnd">&nbsp;</span></caption>

  139.                             <tr>

  140.                                 <th class="colFirst" scope="col">Modifier and Type</th>

  141.                                 <th class="colLast" scope="col">Field and Description</th>

  142.                             </tr>

  143.                             <tr class="altColor">

  144.                                 <td class="colFirst"><code>protected int</code></td>

  145.                                 <td class="colLast"><code><span class="memberNameLink"><a

  146.                                         href="../../../de/hems/trafficsim/Renderer.html#height">height</a></span></code>

  147.                                     <div class="block">height of the surface to draw to</div>

  148.                                 </td>

  149.                             </tr>

  150.                             <tr class="rowColor">

  151.                                 <td class="colFirst"><code>protected

  152.                                     android.view.SurfaceHolder</code></td>

  153.                                 <td class="colLast"><code><span class="memberNameLink"><a

  154.                                         href="../../../de/hems/trafficsim/Renderer.html#holder">holder</a></span></code>

  155.                                     <div class="block">holder of the surface the renderer draws to

  156.                                     </div>

  157.                                 </td>

  158.                             </tr>

  159.                             <tr class="altColor">

  160.                                 <td class="colFirst"><code>protected android.graphics.Paint</code>

  161.                                 </td>

  162.                                 <td class="colLast"><code><span class="memberNameLink"><a

  163.                                         href="../../../de/hems/trafficsim/Renderer.html#paint">paint</a></span></code>

  164.                                     <div class="block">Paint instance of the renderer</div>

  165.                                 </td>

  166.                             </tr>

  167.                             <tr class="rowColor">

  168.                                 <td class="colFirst"><code>protected int</code></td>

  169.                                 <td class="colLast"><code><span class="memberNameLink"><a

  170.                                         href="../../../de/hems/trafficsim/Renderer.html#pixelPerLine">pixelPerLine</a></span></code>

  171.                                     <div class="block">height of a rectangle representing one

  172.                                         vehicle

  173.                                     </div>

  174.                                 </td>

  175.                             </tr>

  176.                             <tr class="altColor">

  177.                                 <td class="colFirst"><code>protected int</code></td>

  178.                                 <td class="colLast"><code><span class="memberNameLink"><a

  179.                                         href="../../../de/hems/trafficsim/Renderer.html#pixelPerVehicle">pixelPerVehicle</a></span></code>

  180.                                     <div class="block">width of a rectangle representing one

  181.                                         vehicle

  182.                                     </div>

  183.                                 </td>

  184.                             </tr>

  185.                             <tr class="rowColor">

  186.                                 <td class="colFirst"><code>protected float</code></td>

  187.                                 <td class="colLast"><code><span class="memberNameLink"><a

  188.                                         href="../../../de/hems/trafficsim/Renderer.html#tooShortPerHeight">tooShortPerHeight</a></span></code>

  189.                                     <div class="block">amount of pixels per height which are lost by

  190.                                         rounding

  191.                                     </div>

  192.                                 </td>

  193.                             </tr>

  194.                             <tr class="altColor">

  195.                                 <td class="colFirst"><code>protected float</code></td>

  196.                                 <td class="colLast"><code><span class="memberNameLink"><a

  197.                                         href="../../../de/hems/trafficsim/Renderer.html#tooShortPerTrackLength">tooShortPerTrackLength</a></span></code>

  198.                                     <div class="block">amount of pixels per track position which are

  199.                                         lost by rounding

  200.                                     </div>

  201.                                 </td>

  202.                             </tr>

  203.                             <tr class="rowColor">

  204.                                 <td class="colFirst"><code>protected <a

  205.                                         href="../../../de/hems/trafficsim/Track.html"

  206.                                         title="class in de.hems.trafficsim">Track</a></code></td>

  207.                                 <td class="colLast"><code><span class="memberNameLink"><a

  208.                                         href="../../../de/hems/trafficsim/Renderer.html#track">track</a></span></code>

  209.                                     <div class="block">the track to render</div>

  210.                                 </td>

  211.                             </tr>

  212.                             <tr class="altColor">

  213.                                 <td class="colFirst"><code>protected int</code></td>

  214.                                 <td class="colLast"><code><span class="memberNameLink"><a

  215.                                         href="../../../de/hems/trafficsim/Renderer.html#width">width</a></span></code>

  216.                                     <div class="block">width of the surface to draw to</div>

  217.                                 </td>

  218.                             </tr>

  219.                         </table>

  220.                     </li>

  221.                 </ul>

  222.                 <!-- ======== CONSTRUCTOR SUMMARY ======== -->

  223.                 <ul class="blockList">

  224.                     <li class="blockList"><a name="constructor.summary">

  225.                         <!--   -->

  226.                     </a>

  227.                         <h3>Constructor Summary</h3>

  228.                         <table border="0" cellpadding="3" cellspacing="0" class="memberSummary"

  229.                                summary="Constructor Summary table, listing constructors, and an explanation">

  230.                             <caption><span>Constructors</span><span class="tabEnd">&nbsp;</span>

  231.                             </caption>

  232.                             <tr>

  233.                                 <th class="colOne" scope="col">Constructor and Description</th>

  234.                             </tr>

  235.                             <tr class="altColor">

  236.                                 <td class="colOne"><code><span class="memberNameLink"><a

  237.                                         href="../../../de/hems/trafficsim/Renderer.html#Renderer-de.hems.trafficsim.Track-android.view.SurfaceHolder-">Renderer</a></span>(<a

  238.                                         href="../../../de/hems/trafficsim/Track.html"

  239.                                         title="class in de.hems.trafficsim">Track</a>&nbsp;track,

  240.                                     android.view.SurfaceHolder&nbsp;holder)</code>

  241.                                     <div class="block">Constuctor for a Renderer.</div>

  242.                                 </td>

  243.                             </tr>

  244.                         </table>

  245.                     </li>

  246.                 </ul>

  247.                 <!-- ========== METHOD SUMMARY =========== -->

  248.                 <ul class="blockList">

  249.                     <li class="blockList"><a name="method.summary">

  250.                         <!--   -->

  251.                     </a>

  252.                         <h3>Method Summary</h3>

  253.                         <table border="0" cellpadding="3" cellspacing="0" class="memberSummary"

  254.                                summary="Method Summary table, listing methods, and an explanation">

  255.                             <caption><span class="activeTableTab"

  256.                                            id="t0"><span>All Methods</span><span class="tabEnd">&nbsp;</span></span><span

  257.                                     class="tableTab" id="t2"><span><a href="javascript:show(2);">Instance Methods</a></span><span

  258.                                     class="tabEnd">&nbsp;</span></span><span class="tableTab"

  259.                                                                              id="t4"><span><a

  260.                                     href="javascript:show(8);">Concrete Methods</a></span><span

  261.                                     class="tabEnd">&nbsp;</span></span></caption>

  262.                             <tr>

  263.                                 <th class="colFirst" scope="col">Modifier and Type</th>

  264.                                 <th class="colLast" scope="col">Method and Description</th>

  265.                             </tr>

  266.                             <tr class="altColor" id="i0">

  267.                                 <td class="colFirst"><code>protected void</code></td>

  268.                                 <td class="colLast"><code><span class="memberNameLink"><a

  269.                                         href="../../../de/hems/trafficsim/Renderer.html#draw--">draw</a></span>()</code>

  270.                                     <div class="block">Draws the current state of the track history

  271.                                         to the Surface.

  272.                                     </div>

  273.                                 </td>

  274.                             </tr>

  275.                             <tr class="rowColor" id="i1">

  276.                                 <td class="colFirst"><code>protected int</code></td>

  277.                                 <td class="colLast"><code><span class="memberNameLink"><a

  278.                                         href="../../../de/hems/trafficsim/Renderer.html#getColor-float-float-">getColor</a></span>(float&nbsp;curVelocity,

  279.                                     float&nbsp;maxVelocity)</code>

  280.                                     <div class="block">Utility function which calculates a color

  281.                                         from the relation between the current speed of a

  282.                                         vehicle and it's maximum speed (from red over yellow to

  283.                                         green).

  284.                                     </div>

  285.                                 </td>

  286.                             </tr>

  287.                             <tr class="altColor" id="i2">

  288.                                 <td class="colFirst"><code>void</code></td>

  289.                                 <td class="colLast"><code><span class="memberNameLink"><a

  290.                                         href="../../../de/hems/trafficsim/Renderer.html#setSize-int-int-">setSize</a></span>(int&nbsp;width,

  291.                                     int&nbsp;height)</code>

  292.                                     <div class="block">Updates the dimension information of the

  293.                                         renderer.

  294.                                     </div>

  295.                                 </td>

  296.                             </tr>

  297.                             <tr class="rowColor" id="i3">

  298.                                 <td class="colFirst"><code>void</code></td>

  299.                                 <td class="colLast"><code><span class="memberNameLink"><a

  300.                                         href="../../../de/hems/trafficsim/Renderer.html#setTrack-de.hems.trafficsim.Track-">setTrack</a></span>(<a

  301.                                         href="../../../de/hems/trafficsim/Track.html"

  302.                                         title="class in de.hems.trafficsim">Track</a>&nbsp;track)</code>

  303.                                     <div class="block">Updates the track of the Surface.</div>

  304.                                 </td>

  305.                             </tr>

  306.                         </table>

  307.                         <ul class="blockList">

  308.                             <li class="blockList"><a

  309.                                     name="methods.inherited.from.class.java.lang.Object">

  310.                                 <!--   -->

  311.                             </a>

  312.                                 <h3>Methods inherited from class&nbsp;java.lang.Object</h3>

  313.                                 <code>clone, equals, finalize, getClass, hashCode, notify,

  314.                                     notifyAll, toString, wait, wait, wait</code></li>

  315.                         </ul>

  316.                     </li>

  317.                 </ul>

  318.             </li>

  319.         </ul>

  320.     </div>

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  326.                     <li class="blockList"><a name="field.detail">

  327.                         <!--   -->

  328.                     </a>

  329.                         <h3>Field Detail</h3>

  330.                         <a name="track">

  331.                             <!--   -->

  332.                         </a>

  333.                         <ul class="blockList">

  334.                             <li class="blockList">

  335.                                 <h4>track</h4>

  336.                                 <pre>protected&nbsp;<a href="../../../de/hems/trafficsim/Track.html"

  337.                                                        title="class in de.hems.trafficsim">Track</a> track</pre>

  338.                                 <div class="block">the track to render</div>

  339.                             </li>

  340.                         </ul>

  341.                         <a name="pixelPerVehicle">

  342.                             <!--   -->

  343.                         </a>

  344.                         <ul class="blockList">

  345.                             <li class="blockList">

  346.                                 <h4>pixelPerVehicle</h4>

  347.                                 <pre>protected&nbsp;int pixelPerVehicle</pre>

  348.                                 <div class="block">width of a rectangle representing one vehicle

  349.                                 </div>

  350.                             </li>

  351.                         </ul>

  352.                         <a name="pixelPerLine">

  353.                             <!--   -->

  354.                         </a>

  355.                         <ul class="blockList">

  356.                             <li class="blockList">

  357.                                 <h4>pixelPerLine</h4>

  358.                                 <pre>protected&nbsp;int pixelPerLine</pre>

  359.                                 <div class="block">height of a rectangle representing one vehicle

  360.                                 </div>

  361.                             </li>

  362.                         </ul>

  363.                         <a name="tooShortPerTrackLength">

  364.                             <!--   -->

  365.                         </a>

  366.                         <ul class="blockList">

  367.                             <li class="blockList">

  368.                                 <h4>tooShortPerTrackLength</h4>

  369.                                 <pre>protected&nbsp;float tooShortPerTrackLength</pre>

  370.                                 <div class="block">amount of pixels per track position which are

  371.                                     lost by rounding

  372.                                 </div>

  373.                             </li>

  374.                         </ul>

  375.                         <a name="tooShortPerHeight">

  376.                             <!--   -->

  377.                         </a>

  378.                         <ul class="blockList">

  379.                             <li class="blockList">

  380.                                 <h4>tooShortPerHeight</h4>

  381.                                 <pre>protected&nbsp;float tooShortPerHeight</pre>

  382.                                 <div class="block">amount of pixels per height which are lost by

  383.                                     rounding

  384.                                 </div>

  385.                             </li>

  386.                         </ul>

  387.                         <a name="paint">

  388.                             <!--   -->

  389.                         </a>

  390.                         <ul class="blockList">

  391.                             <li class="blockList">

  392.                                 <h4>paint</h4>

  393.                                 <pre>protected&nbsp;android.graphics.Paint paint</pre>

  394.                                 <div class="block">Paint instance of the renderer</div>

  395.                             </li>

  396.                         </ul>

  397.                         <a name="holder">

  398.                             <!--   -->

  399.                         </a>

  400.                         <ul class="blockList">

  401.                             <li class="blockList">

  402.                                 <h4>holder</h4>

  403.                                 <pre>protected&nbsp;android.view.SurfaceHolder holder</pre>

  404.                                 <div class="block">holder of the surface the renderer draws to</div>

  405.                             </li>

  406.                         </ul>

  407.                         <a name="width">

  408.                             <!--   -->

  409.                         </a>

  410.                         <ul class="blockList">

  411.                             <li class="blockList">

  412.                                 <h4>width</h4>

  413.                                 <pre>protected&nbsp;int width</pre>

  414.                                 <div class="block">width of the surface to draw to</div>

  415.                             </li>

  416.                         </ul>

  417.                         <a name="height">

  418.                             <!--   -->

  419.                         </a>

  420.                         <ul class="blockListLast">

  421.                             <li class="blockList">

  422.                                 <h4>height</h4>

  423.                                 <pre>protected&nbsp;int height</pre>

  424.                                 <div class="block">height of the surface to draw to</div>

  425.                             </li>

  426.                         </ul>

  427.                     </li>

  428.                 </ul>

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  431.                     <li class="blockList"><a name="constructor.detail">

  432.                         <!--   -->

  433.                     </a>

  434.                         <h3>Constructor Detail</h3>

  435.                         <a name="Renderer-de.hems.trafficsim.Track-android.view.SurfaceHolder-">

  436.                             <!--   -->

  437.                         </a>

  438.                         <ul class="blockListLast">

  439.                             <li class="blockList">

  440.                                 <h4>Renderer</h4>

  441.                                 <pre>public&nbsp;Renderer(<a

  442.                                         href="../../../de/hems/trafficsim/Track.html"

  443.                                         title="class in de.hems.trafficsim">Track</a>&nbsp;track,

  444.                 android.view.SurfaceHolder&nbsp;holder)</pre>

  445.                                 <div class="block">Constuctor for a Renderer.</div>

  446.                                 <dl>

  447.                                     <dt><span class="paramLabel">Parameters:</span></dt>

  448.                                     <dd><code>track</code> - the track to render</dd>

  449.                                     <dd><code>holder</code> - the holder of the surface to draw to

  450.                                     </dd>

  451.                                 </dl>

  452.                             </li>

  453.                         </ul>

  454.                     </li>

  455.                 </ul>

  456.                 <!-- ============ METHOD DETAIL ========== -->

  457.                 <ul class="blockList">

  458.                     <li class="blockList"><a name="method.detail">

  459.                         <!--   -->

  460.                     </a>

  461.                         <h3>Method Detail</h3>

  462.                         <a name="setSize-int-int-">

  463.                             <!--   -->

  464.                         </a>

  465.                         <ul class="blockList">

  466.                             <li class="blockList">

  467.                                 <h4>setSize</h4>

  468.                                 <pre>public&nbsp;void&nbsp;setSize(int&nbsp;width,

  469.                     int&nbsp;height)</pre>

  470.                                 <div class="block">Updates the dimension information of the

  471.                                     renderer.

  472.                                 </div>

  473.                                 <dl>

  474.                                     <dt><span class="paramLabel">Parameters:</span></dt>

  475.                                     <dd><code>width</code> - the width of the SurfaceView</dd>

  476.                                     <dd><code>height</code> - the height of the SurfaceView</dd>

  477.                                 </dl>

  478.                             </li>

  479.                         </ul>

  480.                         <a name="setTrack-de.hems.trafficsim.Track-">

  481.                             <!--   -->

  482.                         </a>

  483.                         <ul class="blockList">

  484.                             <li class="blockList">

  485.                                 <h4>setTrack</h4>

  486.                                 <pre>public&nbsp;void&nbsp;setTrack(<a

  487.                                         href="../../../de/hems/trafficsim/Track.html"

  488.                                         title="class in de.hems.trafficsim">Track</a>&nbsp;track)</pre>

  489.                                 <div class="block">Updates the track of the Surface.</div>

  490.                                 <dl>

  491.                                     <dt><span class="paramLabel">Parameters:</span></dt>

  492.                                     <dd><code>track</code> - the new track to render</dd>

  493.                                 </dl>

  494.                             </li>

  495.                         </ul>

  496.                         <a name="getColor-float-float-">

  497.                             <!--   -->

  498.                         </a>

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  501.                                 <h4>getColor</h4>

  502.                                 <pre>protected&nbsp;int&nbsp;getColor(float&nbsp;curVelocity,

  503.                        float&nbsp;maxVelocity)</pre>

  504.                                 <div class="block">Utility function which calculates a color from

  505.                                     the relation between the current speed of a

  506.                                     vehicle and it's maximum speed (from red over yellow to green).

  507.                                 </div>

  508.                                 <dl>

  509.                                     <dt><span class="paramLabel">Parameters:</span></dt>

  510.                                     <dd><code>curVelocity</code> - current velocity of the vehicle

  511.                                     </dd>

  512.                                     <dd><code>maxVelocity</code> - maximum velocity of the vehilce

  513.                                     </dd>

  514.                                     <dt><span class="returnLabel">Returns:</span></dt>

  515.                                     <dd>color encoded as Android color integer</dd>

  516.                                 </dl>

  517.                             </li>

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  524.                                 <h4>draw</h4>

  525.                                 <pre>protected&nbsp;void&nbsp;draw()</pre>

  526.                                 <div class="block">Draws the current state of the track history to

  527.                                     the Surface.

  528.                                 </div>

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