<?php

/**
 * Photo object for {@link Services_oEmbed}
 *
 * PHP version 5.2.0+
 *
 * Copyright (c) 2008, Digg.com, Inc.
 * 
 * All rights reserved.
 * 
 * Redistribution and use in source and binary forms, with or without 
 * modification, are permitted provided that the following conditions are met:
 *
 *  - Redistributions of source code must retain the above copyright notice,
 *    this list of conditions and the following disclaimer.
 *  - Redistributions in binary form must reproduce the above copyright notice,
 *    this list of conditions and the following disclaimer in the documentation
 *    and/or other materials provided with the distribution.
 *  - Neither the name of Digg.com, Inc. nor the names of its contributors 
 *    may be used to endorse or promote products derived from this software 
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 
 * POSSIBILITY OF SUCH DAMAGE.
 *
 * @category  Services
 * @package   Services_oEmbed
 * @author    Joe Stump <joe@joestump.net> 
 * @copyright 2008 Digg.com, Inc.
 * @license   http://tinyurl.com/42zef New BSD License
 * @version   SVN: @version@
 * @link      http://code.google.com/p/digg
 * @link      http://oembed.com
 */

require_once 'Services/oEmbed/Object/Common.php';

/**
 * Photo object for {@link Services_oEmbed}
 * 
 * @category  Services
 * @package   Services_oEmbed
 * @author    Joe Stump <joe@joestump.net> 
 * @copyright 2008 Digg.com, Inc.
 * @license   http://tinyurl.com/42zef New BSD License
 * @version   Release: @version@
 * @link      http://code.google.com/p/digg
 * @link      http://oembed.com
 */
class Services_oEmbed_Object_Photo extends Services_oEmbed_Object_Common
{
    /**
     * Required fields for photo objects
     *
     * @var array $required Required fields
     */
    protected $required = array(
        'url', 'width', 'height'
    );
 
    /**
     * Output a valid HTML tag for image
     *
     * @return string HTML <img /> tag for Photo
     */
    public function __toString()
    {
        $img = '<img src="' . $this->url . '" width="' . $this->width . '" ' .
               'height="' . $this->height . '"';

        if (isset($this->title)) {
            $img .= ' alt="' . $this->title . '"';
        }

        return $img . ' />';
    }
}

?>
