<?php

/**

 * PHPExcel

 *

 * Copyright (c) 2006 - 2014 PHPExcel

 *

 * 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., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA

 *

 * @category   PHPExcel

 * @package    PHPExcel_Writer_OpenDocument

 * @copyright  Copyright (c) 2006 - 2014 PHPExcel (http://www.codeplex.com/PHPExcel)

 * @license    http://www.gnu.org/licenses/old-licenses/lgpl-2.1.txt	LGPL

 * @version    ##VERSION##, ##DATE##

 */





/**

 * PHPExcel_Writer_OpenDocument_Thumbnails

 *

 * @category   PHPExcel

 * @package    PHPExcel_Writer_OpenDocument

 * @copyright  Copyright (c) 2006 - 2014 PHPExcel (http://www.codeplex.com/PHPExcel)

 * @author     Alexander Pervakov <frost-nzcr4@jagmort.com>

 */

class PHPExcel_Writer_OpenDocument_Thumbnails extends PHPExcel_Writer_OpenDocument_WriterPart

{

    /**

     * Write Thumbnails/thumbnail.png to PNG format

     *

     * @param   PHPExcel                   $pPHPExcel

     * @return  string                     XML Output

     * @throws  PHPExcel_Writer_Exception

     */

    public function writeThumbnail(PHPExcel $pPHPExcel = null)

    {

        return '';

    }

}

