[Sommaire] [Imprimer]

   1  <?php
   2  /*
   3   * This work is hereby released into the Public Domain.
   4   * To view a copy of the public domain dedication,
   5   * visit http://creativecommons.org/licenses/publicdomain/ or send a letter to
   6   * Creative Commons, 559 Nathan Abbott Way, Stanford, California 94305, USA.
   7   *
   8   */
   9  
  10   
  11  require_once dirname(__FILE__)."/../Graph.class.php";
  12  
  13  
  14  /**
  15   * Create your gradients
  16   *
  17   * @package Artichow
  18   */
  19   class awGradient {
  20  
  21      /**
  22       * From color
  23       *
  24       * @var Color
  25       */
  26      var $from;
  27  
  28      /**
  29       * To color
  30       *
  31       * @var Color
  32       */
  33      var $to;
  34      
  35      /**
  36       * Build the gradient
  37       *
  38       * @param $from From color
  39       * @param $to To color
  40       */
  41  	 function awGradient($from, $to) {
  42      
  43          $this->from = $from;
  44          $this->to = $to;
  45      
  46      }
  47      
  48      /**
  49       * Free memory used by the colors of the gradient
  50       */
  51  	 function free() {
  52      
  53          $this->from->free();
  54          $this->to->free();
  55          
  56      }
  57      
  58  	 function php5Destructor( ){
  59      
  60          $this->free();
  61          
  62      }
  63  
  64  }
  65  
  66  registerClass('Gradient', TRUE);
  67  
  68  
  69  /**
  70   * Create a linear gradient
  71   *
  72   * @package Artichow
  73   */
  74  class awLinearGradient extends awGradient {
  75  
  76      /**
  77       * Gradient angle
  78       *
  79       * @var int
  80       */
  81      var $angle;
  82      
  83      /**
  84       * Build the linear gradient
  85       *
  86       * @param $from From color
  87       * @param $to To color
  88       * @param int $angle Gradient angle
  89       */
  90  	 function awLinearGradient($from, $to, $angle) {
  91      
  92          parent::awGradient(
  93              $from, $to
  94          );
  95          
  96          $this->angle = $angle;
  97      
  98      }
  99  
 100  }
 101  
 102  registerClass('LinearGradient');
 103  
 104  
 105  /**
 106   * Create a bilinear gradient
 107   *
 108   * @package Artichow
 109   */
 110  class awBilinearGradient extends awLinearGradient {
 111  
 112      /**
 113       * Gradient center
 114       *
 115       * @var int Center between 0 and 1
 116       */
 117      var $center;
 118      
 119      /**
 120       * Build the bilinear gradient
 121       *
 122       * @param $from From color
 123       * @param $to To color
 124       * @param int $angle Gradient angle
 125       * @param int $center Gradient center
 126       */
 127  	 function awBilinearGradient($from, $to, $angle, $center = 0.5) {
 128      
 129          parent::awLinearGradient(
 130              $from, $to, $angle
 131          );
 132          
 133          $this->center = $center;
 134      
 135      }
 136  
 137  }
 138  
 139  registerClass('BilinearGradient');
 140  
 141  /**
 142   * Create a radial gradient
 143   *
 144   * @package Artichow
 145   */
 146  class awRadialGradient extends awGradient {
 147  
 148  }
 149  
 150  registerClass('RadialGradient');
 151  ?>