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<?php /** * Zend Framework * * LICENSE * * This source file is subject to the new BSD license that is bundled * with this package in the file LICENSE.txt. * It is also available through the world-wide-web at this URL: * http://framework.zend.com/license/new-bsd * If you did not receive a copy of the license and are unable to * obtain it through the world-wide-web, please send an email * to license@zend.com so we can send you a copy immediately. * * @category Zend * @package Zend_Pdf * @copyright Copyright (c) 2005-2009 Zend Technologies USA Inc. (http://www.zend.com) * @license http://framework.zend.com/license/new-bsd New BSD License * @version $Id: Lzw.php 18993 2009-11-15 17:09:16Z alexander $ */
/** Zend_Pdf_Filter_Compression */ require_once 'Zend/Pdf/Filter/Compression.php';
/** * LZW stream filter * * @package Zend_Pdf * @copyright Copyright (c) 2005-2009 Zend Technologies USA Inc. (http://www.zend.com) * @license http://framework.zend.com/license/new-bsd New BSD License */ class Zend_Pdf_Filter_Compression_Lzw extends Zend_Pdf_Filter_Compression { /** * Get EarlyChange decode param value * * @param array $params * @return integer * @throws Zend_Pdf_Exception */ private static function _getEarlyChangeValue($params) { if (isset($params['EarlyChange'])) { $earlyChange = $params['EarlyChange'];
if ($earlyChange != 0 && $earlyChange != 1) { require_once 'Zend/Pdf/Exception.php'; throw new Zend_Pdf_Exception('Invalid value of \'EarlyChange\' decode param - ' . $earlyChange . '.' ); } return $earlyChange; } else { return 1; } }
/** * Encode data * * @param string $data * @param array $params * @return string * @throws Zend_Pdf_Exception */ public static function encode($data, $params = null) { if ($params != null) { $data = self::_applyEncodeParams($data, $params); }
require_once 'Zend/Pdf/Exception.php'; throw new Zend_Pdf_Exception('Not implemented yet'); }
/** * Decode data * * @param string $data * @param array $params * @return string * @throws Zend_Pdf_Exception */ public static function decode($data, $params = null) { require_once 'Zend/Pdf/Exception.php'; throw new Zend_Pdf_Exception('Not implemented yet');
if ($params !== null) { return self::_applyDecodeParams($data, $params); } else { return $data; } } }
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