<?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 DataPreprocessor * @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: DataPreprocessor.php,v 1.7 2005/08/24 20:35:55 nosey Exp $ * @link http://pear.php.net/package/Image_Graph */ /** * Data preprocessor used for preformatting a data. * * A data preprocessor is used in cases where a value from a dataset or label must be * displayed in another format or way than entered. This could for example be the need * to display X-values as a date instead of 1, 2, 3, .. or even worse unix-timestamps. * It could also be when a {@link Image_Graph_Marker_Value} needs to display values as percentages * with 1 decimal digit instead of the default formatting (fx. 12.01271 -> 12.0%). * * @category Images * @package Image_Graph * @subpackage DataPreprocessor * @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 * @abstract */ class Image_Graph_DataPreprocessor { /** * Image_Graph_DataPreprocessor [Constructor]. */ function Image_Graph_DataPreprocessor() { } /** * Process the value * * @param var $value The value to process/format * @return string The processed value * @access private */ function _process($value) { return $value; } } ?>