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khosb/includes/pear/Image/Graph/Marker/Array.php
anubis fae6352bf2 Update to PEAR 1.7.2, Image_Canvas 0.3.1, Image_Color 1.0.3, Image_Graph 0.7.2, XML_Parser 1.3.1.
Removed PHP_Compat, and references to it.
Removed ionCube/Zend/mmCache compatibility checks in test.php script.
Changed minimum PHP requirement to 5.0 in test.php script.
2009-01-04 19:22:54 -05:00

105 lines
3.4 KiB
PHP

<?php
/* vim: set expandtab tabstop=4 shiftwidth=4 softtabstop=4: */
/**
* Image_Graph - PEAR PHP OO Graph Rendering Utility.
*
* PHP versions 4 and 5
*
* LICENSE: This library is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation; either version 2.1 of the License, or (at your
* option) any later version. This library is distributed in the hope that it
* will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty
* of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser
* General Public License for more details. You should have received a copy of
* the GNU Lesser General Public License along with this library; if not, write
* to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
* 02111-1307 USA
*
* @category Images
* @package Image_Graph
* @subpackage Marker
* @author Jesper Veggerby <pear.nosey@veggerby.dk>
* @copyright Copyright (C) 2003, 2004 Jesper Veggerby Hansen
* @license http://www.gnu.org/copyleft/lesser.html LGPL License 2.1
* @version CVS: $Id: Array.php,v 1.6 2005/02/21 20:49:50 nosey Exp $
* @link http://pear.php.net/package/Image_Graph
*/
/**
* Include file Image/Graph/Marker.php
*/
require_once 'Image/Graph/Marker.php';
/**
* A sequential array of markers.
*
* This is used for displaying different markers for datapoints on a chart.
* This is done by adding multiple markers to a MarkerArrray structure.
* The marker array will then when requested return the 'next' marker in
* sequential order. It is possible to specify ID tags to each marker, which is
* used to make sure some data uses a specific marker.
*
* @category Images
* @package Image_Graph
* @subpackage Marker
* @author Jesper Veggerby <pear.nosey@veggerby.dk>
* @copyright Copyright (C) 2003, 2004 Jesper Veggerby Hansen
* @license http://www.gnu.org/copyleft/lesser.html LGPL License 2.1
* @version Release: @package_version@
* @link http://pear.php.net/package/Image_Graph
*/
class Image_Graph_Marker_Array extends Image_Graph_Marker
{
/**
* The marker array
* @var array
* @access private
*/
var $_markers = array ();
/**
* Add a marker style to the array
*
* @param Marker $marker The marker to add
*/
function add(& $marker)
{
if (is_a($marker, 'Image_Graph_Element')) {
parent::add($marker);
}
$this->_markers[] =& $marker;
reset($this->_markers);
}
/**
* Draw the marker on the canvas
*
* @param int $x The X (horizontal) position (in pixels) of the marker on
* the canvas
* @param int $y The Y (vertical) position (in pixels) of the marker on the
* canvas
* @param array $values The values representing the data the marker 'points'
* to
* @access private
*/
function _drawMarker($x, $y, $values = false)
{
$ID = key($this->_markers);
if (!next($this->_markers)) {
reset($this->_markers);
}
$marker =& $this->_markers[$ID];
if ($marker != null) {
$marker->_drawMarker($x, $y, $values);
}
parent::_drawMarker($x, $y, $values);
}
}
?>