code/.docs/prototype_Global/function_String.prototype.toHexColor.html

   1 <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0//EN">
   2 <html>
   3
   4 <head>
   5         <title></title>
   6         <style type="text/css">
   7
   8         body, p, td, th, li {
   9                 font-family: verdana, sans-serif;
  10                 font-size: 10pt;
  11         }
  12
  13         big.top {
  14                 font-size: 18pt;
  15                 font-weight: bold;
  16         }
  17
  18         big {
  19                 font-size: 13pt;
  20                 font-weight: bold;
  21         }
  22
  23         a {
  24                 font-weight:bold;
  25                 color: #cc3333;
  26                 text-decoration:none;
  27         }
  28         a:hover {
  29                 text-decoration:underline;
  30         }
  31
  32         .navig  {
  33                 font-size: 9px;
  34                 text-decoration: none;
  35                 font-weight:normal;
  36         }
  37
  38         li {
  39                 padding-bottom: 5px;
  40         }
  41
  42
  43         .mainbox        {
  44                 border-color:#999999;
  45                 padding-top:5px;
  46                 padding-bottom:5px;
  47                 border-bottom-width:1px;
  48                 border-bottom-style:dotted;
  49         }
  50
  51         .headline {
  52                 font-weight:bold;
  53                 background:#dfdfdf;
  54                 border-color:#999999;
  55                 padding-top:5px;
  56                 padding-bottom:5px;
  57         }
  58
  59         </style>
  60 </head>
  61
  62 <body>
  63
  64 <table width="90%" border="0" cellspacing="1" cellpadding="5">
  65 <tr>
  66         <td class="headline">
  67         <big><tt>Global.String.prototype.toHexColor&nbsp;()</tt></big><br>
  68         </td>
  69 </tr>
  70
  71 <tr>
  72         <td class="mainbox">
  73         converts a string into a hexadecimal color
  74 representation (e.g. "ffcc33"). also knows how to
  75 convert a color string like "rgb (255, 204, 51)". <br><br>
  76
  77         <ul>
  78
  79                 <li><b>Returns</b><br>
  80 String the resulting hex color (w/o "#")
  81
  82
  83
  84
  85
  86         </ul>
  87         </td>
  88 </tr>
  89 </table>
  90
  91 <table width="90%" border="0" cellspacing="1" cellpadding="5">
  92 <tr>
  93         <td>Sourcecode in /root/helma-1.6.1/modules/core/String.js:
  94         <pre><font color="#aaaaaa">139:</font>   String.prototype.toHexColor = function() {
  95 <font color="#aaaaaa">140:</font>       if (this.startsWith(<font color="#9999aa">&quot;rgb&quot;</font>)) {
  96 <font color="#aaaaaa">141:</font>           res.push();
  97 <font color="#aaaaaa">142:</font>           var col = this.replace(/[^0-9,]/g, String.NULL);
  98 <font color="#aaaaaa">143:</font>           var parts = col.split(<font color="#9999aa">&quot;,&quot;</font>);
  99 <font color="#aaaaaa">144:</font>           for (var i in parts) {
 100 <font color="#aaaaaa">145:</font>               var num = parseInt(parts[i], 10);
 101 <font color="#aaaaaa">146:</font>               var hex = num.toString(16);
 102 <font color="#aaaaaa">147:</font>               res.write(hex.pad(<font color="#9999aa">&quot;0&quot;</font>, 2, String.LEFT));
 103 <font color="#aaaaaa">148:</font>          }
 104 <font color="#aaaaaa">149:</font>          return res.pop();
 105 <font color="#aaaaaa">150:</font>      }
 106 <font color="#aaaaaa">151:</font>      var col = this.replace(new RegExp(String.HEXPATTERN.source), String.NULL);
 107 <font color="#aaaaaa">152:</font>      return col.toLowerCase().pad(<font color="#9999aa">&quot;0&quot;</font>, 6, String.LEFT);
 108 <font color="#aaaaaa">153:</font>  }
 109 </pre>
 110         </td>
 111 </tr>
 112
 113 </table>
 114
 115
 116
 117
 118
 119 </body>
 120 </html>