[Sommaire] [Imprimer]

   1  <?php
   2  
   3  /* vim: set expandtab tabstop=4 shiftwidth=4 softtabstop=4: */
   4  
   5  /**
   6   * Image_Graph - PEAR PHP OO Graph Rendering Utility.
   7   *
   8   * PHP versions 4 and 5
   9   *
  10   * LICENSE: This library is free software; you can redistribute it and/or modify
  11   * it under the terms of the GNU Lesser General Public License as published by
  12   * the Free Software Foundation; either version 2.1 of the License, or (at your
  13   * option) any later version. This library is distributed in the hope that it
  14   * will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty
  15   * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser
  16   * General Public License for more details. You should have received a copy of
  17   * the GNU Lesser General Public License along with this library; if not, write
  18   * to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
  19   * 02111-1307 USA
  20   *
  21   * @category   Images
  22   * @package    Image_Graph
  23   * @author     Jesper Veggerby <pear.nosey@veggerby.dk>
  24   * @copyright  Copyright (C) 2003, 2004 Jesper Veggerby Hansen
  25   * @license    http://www.gnu.org/copyleft/lesser.html  LGPL License 2.1
  26   * @version    CVS: $Id: Element.php,v 1.5 2005/02/21 20:50:01 nosey Exp $
  27   * @link       http://pear.php.net/package/Image_Graph
  28   */
  29  
  30  /**
  31   * Include file Image/Graph/Element.php
  32   */
  33  require_once  'Image/Graph/Element.php';
  34  
  35  /**
  36   * Representation of a element on a plotarea.
  37   *
  38   * @category   Images
  39   * @package    Image_Graph
  40   * @author     Jesper Veggerby <pear.nosey@veggerby.dk>
  41   * @copyright  Copyright (C) 2003, 2004 Jesper Veggerby Hansen
  42   * @license    http://www.gnu.org/copyleft/lesser.html  LGPL License 2.1
  43   * @version    Release: 0.7.2
  44   * @link       http://pear.php.net/package/Image_Graph
  45   * @abstract
  46   */
  47  class Image_Graph_Plotarea_Element extends Image_Graph_Element
  48  {
  49  
  50      /**
  51       * Get the X pixel position represented by a value
  52       *
  53       * @param double $point the value to get the pixel-point for
  54       * @return double The pixel position along the axis
  55       * @access private
  56       */
  57      function _pointX($point)
  58      {
  59          return $this->_parent->_pointX($point);
  60      }
  61  
  62      /**
  63       * Get the Y pixel position represented by a value
  64       *
  65       * @param double $point the value to get the pixel-point for
  66       * @return double The pixel position along the axis
  67       * @access private
  68       */
  69      function _pointY($point)
  70      {
  71          return $this->_parent->_pointY($point);
  72      }
  73  
  74      /**
  75       * Get the X and Y pixel position represented by a value
  76       *
  77       * @param array $point the values to get the pixel-point for
  78       * @return array The (x, y) pixel position along the axis
  79       * @access private
  80       */
  81      function _pointXY($point)
  82      {
  83          return array ('X' => $this->_pointX($point), 'Y' => $this->_pointY($point));
  84      }
  85  
  86  }
  87  ?>