[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  
  12  /**
  13   * Create your gradients
  14   *
  15   * @package Artichow
  16   */
  17  abstract class awGradient {
  18  
  19      /**
  20       * From color
  21       *
  22       * @var Color
  23       */
  24      public $from;
  25  
  26      /**
  27       * To color
  28       *
  29       * @var Color
  30       */
  31      public $to;
  32      
  33      /**
  34       * Build the gradient
  35       *
  36       * @param awColor $from From color
  37       * @param awColor $to To color
  38       */
  39  	public function __construct($from, $to) {
  40      
  41          $this->from = $from;
  42          $this->to = $to;
  43      
  44      }
  45      
  46      /**
  47       * Free memory used by the colors of the gradient
  48       */
  49  	public function free() {
  50      
  51          $this->from->free();
  52          $this->to->free();
  53          
  54      }
  55      
  56  	public function __destruct( ){
  57      
  58          $this->free();
  59          
  60      }
  61  
  62  }
  63  
  64  registerClass('Gradient', TRUE);
  65  
  66  
  67  /**
  68   * Create a linear gradient
  69   *
  70   * @package Artichow
  71   */
  72  class awLinearGradient extends awGradient {
  73  
  74      /**
  75       * Gradient angle
  76       *
  77       * @var int
  78       */
  79      public $angle;
  80      
  81      /**
  82       * Build the linear gradient
  83       *
  84       * @param awColor $from From color
  85       * @param awColor $to To color
  86       * @param int $angle Gradient angle
  87       */
  88  	public function __construct($from, $to, $angle) {
  89      
  90          parent::__construct(
  91              $from, $to
  92          );
  93          
  94          $this->angle = $angle;
  95      
  96      }
  97  
  98  }
  99  
 100  registerClass('LinearGradient');
 101  
 102  
 103  /**
 104   * Create a bilinear gradient
 105   *
 106   * @package Artichow
 107   */
 108  class awBilinearGradient extends awLinearGradient {
 109  
 110      /**
 111       * Gradient center
 112       *
 113       * @var int Center between 0 and 1
 114       */
 115      public $center;
 116      
 117      /**
 118       * Build the bilinear gradient
 119       *
 120       * @param awColor $from From color
 121       * @param awColor $to To color
 122       * @param int $angle Gradient angle
 123       * @param int $center Gradient center
 124       */
 125  	public function __construct($from, $to, $angle, $center = 0.5) {
 126      
 127          parent::__construct(
 128              $from, $to, $angle
 129          );
 130          
 131          $this->center = $center;
 132      
 133      }
 134  
 135  }
 136  
 137  registerClass('BilinearGradient');
 138  
 139  /**
 140   * Create a radial gradient
 141   *
 142   * @package Artichow
 143   */
 144  class awRadialGradient extends awGradient {
 145  
 146  }
 147  
 148  registerClass('RadialGradient');
 149  ?>