/*
* Copyright (C) <2008> <chenkun cs.kunchen@gmail.com>
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
define('IN_XJOJ', true);
include "includes/render.class.php";
$tex_code = isset($_GET['tex_code']) ? trim($_GET['tex_code']) : '';
$tex_code = str_replace("\\\\", "\\", $tex_code);
$render = new render();
$hash = md5($tex_code);
$full_name = $render->CACHE_DIR . "/{$hash}.png";
if (!is_file($full_name)) {
$render->render_latex($tex_code, $hash);
}
header("Content-Type: image/jpg");
readfile($full_name);
exit;
?>
