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<?php
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// declare(encoding='UTF-8');
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/**
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 * Service fournissant des images au format demandé ou bien aux dimensions demandées.
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 *
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 * @internal   Mininum PHP version : 5.2
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 * @category   CEL
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 * @package    Services
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 * @subpackage Images
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 * @version    0.1
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 * @author     Mathias CHOUET <mathias@tela-botanica.org>
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 * @author     Jean-Pascal MILCENT <jpm@tela-botanica.org>
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 * @author     Aurelien PERONNET <aurelien@tela-botanica.org>
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 * @license    GPL v3 <http://www.gnu.org/licenses/gpl.txt>
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 * @license    CECILL v2 <http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt>
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 * @copyright  1999-2014 Tela Botanica <accueil@tela-botanica.org>
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 */
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class ImageProvider extends Cel {
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	public function getElement($uid){
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		if (!isset($uid[0])) {
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			return;
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		}
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		$id_image = $uid[0];
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		$format = 'temp';
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		if (isset($_GET['format'])) {
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			$format = $_GET['format'];
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		}
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		if (isset($_GET['dimensions'])) {
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			$dimensions = $_GET['dimensions'];
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		} else if (isset($this->config['cel']['format_'.$format])) {
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			$dimensions = $this->config['cel']['format_'.$format];
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		}
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		$this->config['cel']['format_'.$format] = $dimensions;
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		$generateur_image = new ImageRecreation($this->config);
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		$infos_image = $generateur_image->obtenirImageEtInfosPourId($id_image);
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		if (!$infos_image) {
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			header('HTTP/1.0 404 Not Found');
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			exit();
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		} else {
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			$image_generee = $generateur_image->creerMiniatureImageSelonFormat($infos_image, $format);
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			header('Content-type: image/jpeg');
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			imagejpeg($image_generee);
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			exit();
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		}
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	}
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}