[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 Figure
  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: Polygon.php,v 1.8 2005/08/03 21:21:57 nosey Exp $
  28   * @link       http://pear.php.net/package/Image_Graph
  29   */
  30  
  31  /**
  32   * Include file Image/Graph/Element.php
  33   */
  34  require_once  'Image/Graph/Element.php';
  35  
  36  /**
  37   * Polygon to draw on the canvas
  38   *
  39   * @category   Images
  40   * @package    Image_Graph
  41   * @subpackage Figure
  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_Figure_Polygon extends Image_Graph_Element
  49  {
  50  
  51      /**
  52       * Polygon vertices
  53       *
  54       * @var array
  55       * @access private
  56       */
  57      var $_polygon = array ();
  58  
  59      /**
  60       * Add a vertex to the polygon
  61       *
  62       * @param int $x X-coordinate
  63       * @param int $y Y-coordinate
  64       */
  65      function addVertex($x, $y)
  66      {
  67          $this->_canvas->addVertex(array('x' => $x, 'y' => $y));
  68      }
  69  
  70      /**
  71       * Output the polygon
  72       *
  73       * @return bool Was the output 'good' (true) or 'bad' (false).
  74       * @access private
  75       */
  76      function _done()
  77      {
  78          if (parent::_done() === false) {
  79              return false;
  80          }
  81  
  82          $this->_canvas->startGroup(get_class($this));
  83             
  84          $this->_getFillStyle();
  85          $this->_getLineStyle();
  86          $this->_canvas->polygon(array('connect' => true));
  87          
  88          $this->_canvas->endGroup();
  89          return true;
  90      }
  91  
  92  }
  93  
  94  ?>