<?php
	/* Libchart - PHP chart library
	 * Copyright (C) 2005-2008 Jean-Marc Trémeaux (jm.tremeaux at gmail.com)
	 * 
	 * This program is free software: you can redistribute it and/or modify
	 * it under the terms of the GNU General Public License as published by
	 * the Free Software Foundation, either version 3 of the License, or
	 * (at your option) any later version.
	 * 
	 * This program 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 General Public License for more details.
	 *
	 * You should have received a copy of the GNU General Public License
	 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
	 * 
	 */
	
	/**
	 * Set of data in the form of (x, y) items.
	 *
	 * @author Jean-Marc Trémeaux (jm.tremeaux at gmail.com)
	 * Created on 10 may 2007
	 */
	class XYDataSet extends DataSet {
		private $pointList;
	
		/**
		 * Constructor of XYDataSet.
		 *
		 */
		public function __construct() {
			$this->pointList = array();
		}
	
		/**
		 * Add a new point to the dataset.
		 *
		 * @param Point Point to add to the dataset
		 */
		
		public function addPoint($point) {
			array_push($this->pointList, $point);
		}

		/**
		 * Getter of pointList.
		 *
		 * @return List of points.
		 */
		public function getPointList() {
			return $this->pointList;
		}
	}
?>