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   1  <?php
   2  
   3  /**
   4   * UnitConversions
   5   *
   6   * @package Less
   7   * @subpackage tree
   8   */
   9  class Less_Tree_UnitConversions{
  10  
  11      public static $groups = array('length','duration','angle');
  12  
  13      public static $length = array(
  14          'm'=> 1,
  15          'cm'=> 0.01,
  16          'mm'=> 0.001,
  17          'in'=> 0.0254,
  18          'px'=> 0.000264583, // 0.0254 / 96,
  19          'pt'=> 0.000352778, // 0.0254 / 72,
  20          'pc'=> 0.004233333, // 0.0254 / 72 * 12
  21          );
  22  
  23      public static $duration = array(
  24          's'=> 1,
  25          'ms'=> 0.001
  26          );
  27  
  28      public static $angle = array(
  29          'rad' => 0.1591549430919,    // 1/(2*M_PI),
  30          'deg' => 0.002777778,         // 1/360,
  31          'grad'=> 0.0025,            // 1/400,
  32          'turn'=> 1
  33          );
  34  
  35  }