ThinkPHP/Library/Org/Util/PHPExcel/Writer/PDF/DomPDF.php

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<?php

/**  Require DomPDF library */
$pdfRendererClassFile = PHPExcel_Settings::getPdfRendererPath() . '/dompdf_config.inc.php';
if (file_exists($pdfRendererClassFile)) {
    require_once $pdfRendererClassFile;
} else {
    throw new PHPExcel_Writer_Exception('Unable to load PDF Rendering library');
}

/**
 *  PHPExcel_Writer_PDF_DomPDF
 *
 *  Copyright (c) 2006 - 2015 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_PDF
 *  @copyright   Copyright (c) 2006 - 2015 PHPExcel (http://www.codeplex.com/PHPExcel)
 *  @license     http://www.gnu.org/licenses/old-licenses/lgpl-2.1.txt    LGPL
 *  @version     ##VERSION##, ##DATE##
 */
class PHPExcel_Writer_PDF_DomPDF extends PHPExcel_Writer_PDF_Core implements PHPExcel_Writer_IWriter
{
    /**
     *  Create a new PHPExcel_Writer_PDF
     *
     *  @param   PHPExcel    $phpExcel    PHPExcel object
     */
    public function __construct(PHPExcel $phpExcel)
    {
        parent::__construct($phpExcel);
    }

    /**
     *  Save PHPExcel to file
     *
     *  @param   string     $pFilename   Name of the file to save as
     *  @throws  PHPExcel_Writer_Exception
     */
    public function save($pFilename = null)
    {
        $fileHandle = parent::prepareForSave($pFilename);

        //  Default PDF paper size
        $paperSize = 'LETTER';    //    Letter    (8.5 in. by 11 in.)