<?php

/**
 *  PEL: PHP Exif Library.  A library with support for reading and
 *  writing all Exif headers in JPEG and TIFF images using PHP.
 *
 *  Copyright (C) 2004, 2005  Martin Geisler.
 *
 *  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 2 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 in the file COPYING; if not, write to the
 *  Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
 *  Boston, MA 02110-1301 USA
 */

/* $Id$ */


/**
 * Class representing content in a JPEG file.
 *
 * @author Martin Geisler <mgeisler@users.sourceforge.net>
 * @version $Revision$
 * @date $Date$
 * @license http://www.gnu.org/licenses/gpl.html GNU General Public
 * License (GPL)
 * @package PEL
 */

/**#@+ Required class definitions. */
require_once('PelDataWindow.php');
/**#@-*/


/**
 * Class representing content in a JPEG file.
 *
 * A JPEG file consists of a sequence of each of which has an
 * associated {@link PelJpegMarker marker} and some content.  This
 * class represents the content, and this basic type is just a simple
 * holder of such content, represented by a {@link PelDataWindow}
 * object.  The {@link PelExif} class is an example of more
 * specialized JPEG content.
 *
 * @author Martin Geisler <mgeisler@users.sourceforge.net>
 * @package PEL
 */
class PelJpegContent {
    private $data = null;

    /**
     * Make a new piece of JPEG content.
     *
     * @param PelDataWindow the content.
     */
    function __construct(PelDataWindow $data) {
        $this->data = $data;
    }


    /**
     * Return the bytes of the content.
     *
     * @return string bytes representing this JPEG content.  These bytes
     * will match the bytes given to {@link __construct the
     * constructor}.
     */
    function getBytes() {
        return $this->data->getBytes();
    }

}

