<?php
/**
* PHP Version 5
*
* @category  PHP
* @package   papyrus_bp
* @author    aurelien <aurelien@tela-botanica.org>
* @copyright 2010 Tela-Botanica
* @license   http://www.cecill.info/licences/Licence_CeCILL_V2-fr.txt Licence CECILL
* @version   SVN: <svn_id>
* @link      /doc/papyrus_bp/
*/

/**
 * Classe fournissant des images au format demandé ou bien aux dimensions demandées
 * 
 * in=utf8
 * out=utf8
 * 
 */
class ImageProvider extends Cel {
	
	function getElement($uid){
	
		if(!isset($uid[0])) {
			return;
		}
		
		$id_image = $uid[0];
		
		$format = 'temp';
		
		if(isset($_GET['format'])) {
			$format = $_GET['format'];
		}
		
		if(isset($_GET['dimensions'])) {
			$dimensions = $_GET['dimensions'];
		} else {
			if(isset($this->config['cel']['format_'.$format])) {
				$dimensions = $this->config['cel']['format_'.$format];
			}
		}
	
		$this->config['cel']['format_'.$format] = $dimensions;
		
		$generateur_image = new ImageRecreation($this->config);
		
		$infos_image = $generateur_image->obtenirImageEtInfosPourId($id_image);
		
		if(!$infos_image) {
			header('HTTP/1.0 404 Not Found');
			exit;
		}
		
		$image_generee = $generateur_image->creerMiniatureImageSelonFormat($infos_image, $format);
		
		header('Content-type: image/jpeg');
		imagejpeg($image_generee);
		exit; 
		
	}
	
	private function estUneImageALaDemande() {
		
	}
	
}
?>