RGraph/examples/led.html

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  21     <title>RGraph: HTML5 canvas graph library - LED grid</title>
  22
  23     <meta name="keywords" content="rgraph html5 canvas example led grid" />
  24     <meta name="description" content="RGraph: LED grid example" />
  25
  26     <link rel="stylesheet" href="../css/website.css" type="text/css" media="screen" />
  27     <link rel="icon" type="image/png" href="../images/favicon.png">
  28
  29     <script src="../libraries/RGraph.common.core.js" ></script>
  30     <script src="../libraries/RGraph.common.context.js" ></script>
  31     <script src="../libraries/RGraph.common.zoom.js" ></script>
  32     <script src="../libraries/RGraph.led.js" ></script>
  33     <!--[if IE 8]><script src="../excanvas/excanvas.compressed.js"></script><![endif]-->
  34
  35     <script>
  36         window.onload = function ()
  37         {
  38             var led1 = new RGraph.LED('myCanvas1', 'abcdefgh');
  39             led1.Set('chart.zoom.hdir', 'center');
  40             led1.Set('chart.zoom.vdir', 'center');
  41             led1.Set('chart.contextmenu', [['Zoom in', function (e) {if (!RGraph.isIE8()) {RGraph.Zoom(e);} else {alert('[MSIE] This browser does not support zoom');}}]]);
  42             led1.Set('chart.light', 'black');
  43             led1.Draw();
  44
  45             var led2 = new RGraph.LED('myCanvas2', 'ijklmnop');
  46             led2.Set('chart.light', '#0f0');
  47             led2.Draw();
  48
  49             var led3 = new RGraph.LED('myCanvas3', 'qrstuvwx');
  50             led3.Set('chart.light', '#f00');
  51             led3.Draw();
  52
  53             var led4 = new RGraph.LED('myCanvas4', 'yz012345');
  54             led4.Set('chart.light', '#ff0');
  55             led4.Draw();
  56
  57             var led5 = new RGraph.LED('myCanvas5', '6789    ');
  58             led5.Set('chart.light', '#0ff');
  59             led5.Draw();
  60         }
  61     </script>
  62 </head>
  63 <body>
  64
  65     <!-- Social networking buttons -->
  66
  67     <script>
  68         function HideTwitterDIV ()
  69         {
  70             document.getElementById("twitter_div").style.opacity = 0;
  71             document.getElementById("twitter_div").style.display = 'none';
  72         }
  73
  74
  75         function ShowTwitterDIV (e)
  76         {
  77             var e   = RGraph.FixEventObject(document.all ? event : e);
  78             var div = document.getElementById("twitter_div");
  79             var img = document.getElementById("twitter_icon");
  80
  81             div.style.display = 'block';
  82             div.style.left    = (RGraph.getCanvasXY(img)[0] + img.offsetWidth - div.offsetWidth + 110) + 'px';
  83             div.style.top     = (RGraph.getCanvasXY(img)[1] - 1) + 'px';
  84
  85             /**
  86             * Fade it in
  87             */
  88             setTimeout('document.getElementById("twitter_div").style.opacity = 0.2;', 25);
  89             setTimeout('document.getElementById("twitter_div").style.opacity = 0.4;', 50);
  90             setTimeout('document.getElementById("twitter_div").style.opacity = 0.6;', 100);
  91             setTimeout('document.getElementById("twitter_div").style.opacity = 0.8;', 125);
  92             setTimeout('document.getElementById("twitter_div").style.opacity = 1.0;', 150);
  93
  94             e.stopPropagation();
  95
  96             return false;
  97         }
  98
  99         /**
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 157     </div>
 158     <!-- /Social networking buttons -->
 159
 160
 161 <div id="breadcrumb">
 162     <a href="../index.html">RGraph: HTML5 canvas graph library</a>
 163     >
 164     <a href="./index.html">Examples</a>
 165     >
 166     LED Grid
 167 </div>
 168
 169 <h1>RGraph: HTML5 canvas graph library - LED Grid</h1>
 170
 171     <script>
 172         if (RGraph.isIE8()) {
 173             document.write('<div style="background-color: #fee; border: 2px dashed red; padding: 5px"><b>Important</b><br /><br /> Internet Explorer 8 does not natively support the HTML5 canvas tag, so if you want to see the graphs, you can either:<ul><li>Install <a href="http://code.google.com/chrome/chromeframe/">Google Chrome Frame</a></li><li>Use ExCanvas. This is provided in the RGraph Archive.</li><li>Use another browser entirely. Your choices are Firefox 3.5+, Chrome 2+, Safari 4+ or Opera 10.5+. </li></ul> <b>Note:</b> Internet Explorer 9 fully supports the canvas tag. Click <a href="http://groups.google.com/group/rgraph/browse_thread/thread/c5651ff8c56b8f3c#" target="_blank">here</a> to see some screenshots.</div>');
 174         }
 175     </script>
 176
 177     <p>
 178         An LED grid, that could be used to show a multitude of things. Could be used as a website counter for example.
 179         It supports the A-Z, 0-9 and space characters. As you can see the colors are also user-definable. It also
 180         supports the context menu, and therefore the zoom. The first LED grid demonstrates this.
 181     </p>
 182
 183     <div>
 184         <ul>
 185             <li><a href="../docs/led.html">LED Grid API documentation</a></li>
 186         </ul>
 187     </div>
 188
 189     <div style="width: 50%; margin-left: 250px; text-align: center">
 190         <canvas id="myCanvas1" width="275" height="60">[No canvas support]</canvas>
 191         <canvas id="myCanvas2" width="275" height="60">[No canvas support]</canvas>
 192         <canvas id="myCanvas3" width="275" height="60">[No canvas support]</canvas>
 193         <canvas id="myCanvas4" width="275" height="60">[No canvas support]</canvas>
 194         <canvas id="myCanvas5" width="275" height="60">[No canvas support]</canvas>
 195     </div>
 196
 197     <br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br />
 198
 199 </body>
 200 </html>