<?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

 * @license    http://framework.zend.com/license/new-bsd     New BSD License

 */

/**

 * Zend_Pdf_ImageFactory

 *

 * Helps manage the diverse set of supported image file types.

 *

 * @package    Zend_Pdf

 * @license    http://framework.zend.com/license/new-bsd     New BSD License

 * @todo       Use Zend_Mime not file extension for type determination.

 */

class Zend_Pdf_Resource_ImageFactory

{

    public static function factory($filename) {

        if(!is_file($filename)) {

            require_once 'Zend/Pdf/Exception.php';

            throw new Zend_Pdf_Exception("Cannot create image resource. File not found.");

        }

        $extension = pathinfo($filename, PATHINFO_EXTENSION);

        /*

         * There are plans to use Zend_Mime and not file extension. In the mean time, if you need to

         * use an alternate file extension just spin up the right processor directly.

         */

        switch (strtolower($extension)) {

            case 'tif':

                //Fall through to next case;

            case 'tiff':

                require_once 'Zend/Pdf/Resource/Image/Tiff.php';

                return new Zend_Pdf_Resource_Image_Tiff($filename);

                break;

            case 'png':

                require_once 'Zend/Pdf/Resource/Image/Png.php';

                return new Zend_Pdf_Resource_Image_Png($filename);

                break;

            case 'jpg':

                //Fall through to next case;

            case 'jpe':

                //Fall through to next case;

            case 'jpeg':

                require_once 'Zend/Pdf/Resource/Image/Jpeg.php';

                return new Zend_Pdf_Resource_Image_Jpeg($filename);

                break;

            default:

                require_once 'Zend/Pdf/Exception.php';

                throw new Zend_Pdf_Exception("Cannot create image resource. File extension not known or unsupported type.");

                break;

        }

    }

}