<?php
// declare(encoding='UTF-8');
/**
 * Service fournissant des images au format demandé ou bien aux dimensions demandées.
 *
 * @internal   Mininum PHP version : 5.2
 * @category   CEL
 * @package    Services
 * @subpackage Images
 * @version    0.1
 * @author     Mathias CHOUET <mathias@tela-botanica.org>
 * @author     Jean-Pascal MILCENT <jpm@tela-botanica.org>
 * @author     Aurelien PERONNET <aurelien@tela-botanica.org>
 * @license    GPL v3 <http://www.gnu.org/licenses/gpl.txt>
 * @license    CECILL v2 <http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt>
 * @copyright  1999-2014 Tela Botanica <accueil@tela-botanica.org>
 */
class ImageProvider extends Cel {

	public 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();
		} else {
			$image_generee = $generateur_image->creerMiniatureImageSelonFormat($infos_image, $format);
			header('Content-type: image/jpeg');
			imagejpeg($image_generee);
			exit();
		}
	}
}