[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   * @subpackage Marker
  24   * @author     Jesper Veggerby <pear.nosey@veggerby.dk>
  25   * @copyright  Copyright (C) 2003, 2004 Jesper Veggerby Hansen
  26   * @license    http://www.gnu.org/copyleft/lesser.html  LGPL License 2.1
  27   * @version    CVS: $Id: Icon.php,v 1.8 2005/08/24 20:35:53 nosey Exp $
  28   * @link       http://pear.php.net/package/Image_Graph
  29   */
  30  
  31  /**
  32   * Include file Image/Graph/Marker.php
  33   */
  34  require_once  'Image/Graph/Marker.php';
  35  
  36  /**
  37   * Data marker using an image as icon.
  38   *
  39   * @category   Images
  40   * @package    Image_Graph
  41   * @subpackage Marker
  42   * @author     Jesper Veggerby <pear.nosey@veggerby.dk>
  43   * @copyright  Copyright (C) 2003, 2004 Jesper Veggerby Hansen
  44   * @license    http://www.gnu.org/copyleft/lesser.html  LGPL License 2.1
  45   * @version    Release: 0.7.2
  46   * @link       http://pear.php.net/package/Image_Graph
  47   */
  48  class Image_Graph_Marker_Icon extends Image_Graph_Marker
  49  {
  50  
  51      /**
  52       * Filename of the image icon
  53       * @var string
  54       * @access private
  55       */
  56      var $_filename;
  57  
  58      /**
  59       * X Point of the icon to use as data 'center'
  60       * @var int
  61       * @access private
  62       */
  63      var $_pointX = 0;
  64  
  65      /**
  66       * Y Point of the icon to use as data 'center'
  67       * @var int
  68       * @access private
  69       */
  70      var $_pointY = 0;
  71  
  72      /**
  73       * Create an icon marker
  74       *
  75       * @param string $filename The filename of the icon
  76       * @param int $width The 'new' width of the icon if it is to be resized
  77       * @param int $height The 'new' height of the icon if it is to be resized
  78       */
  79      function Image_Graph_Marker_Icon($filename, $width = 0, $height = 0)
  80      {
  81          parent::Image_Graph_Marker();
  82          $this->_filename = $filename;
  83      }
  84  
  85      /**
  86       * Set the X 'center' point of the marker
  87       *
  88       * @param int $x The X 'center' point of the marker
  89       */
  90      function setPointX($x)
  91      {
  92          $this->_pointX = $x;
  93      }
  94  
  95      /**
  96       * Set the Y 'center' point of the marker
  97       *
  98       * @param int $y The Y 'center' point of the marker
  99       */
 100      function setPointY($y)
 101      {
 102          $this->_pointY = $y;
 103      }
 104  
 105      /**
 106       * Draw the marker on the canvas
 107       *
 108       * @param int $x The X (horizontal) position (in pixels) of the marker on
 109       *   the canvas
 110       * @param int $y The Y (vertical) position (in pixels) of the marker on the
 111       *   canvas
 112       * @param array $values The values representing the data the marker 'points'
 113       *   to
 114       * @access private
 115       */
 116      function _drawMarker($x, $y, $values = false)
 117      {
 118          parent::_drawMarker($x, $y, $values);
 119          if ($this->_filename) {
 120              $this->_canvas->image(
 121                  array(
 122                      'x' => $x, 
 123                      'y' => $y, 
 124                      'filename' => $this->_filename, 
 125                      'alignment' => array('horizontal' => 'center', 'vertical' => 'center')
 126                  )
 127              );
 128          }
 129      }
 130  
 131  }
 132  
 133  ?>