1<?php
2/**
3 * Copyright 2002-2017 Horde LLC (http://www.horde.org/)
4 *
5 * See the enclosed file COPYING for license information (LGPL-2). If you
6 * did not receive this file, see http://www.horde.org/licenses/lgpl.
7 *
8 * @author   Chuck Hagenbuch <chuck@horde.org>
9 * @category Horde
10 * @license  http://www.horde.org/licenses/lgpl LGPL-2
11 * @package  Horde
12 */
13
14require_once __DIR__ . '/../../lib/Application.php';
15
16header('Content-type: image/gif');
17header('Expires: Wed, 21 Aug 1969 11:11:11 GMT');
18header('Cache-Control: no-cache');
19header('Cache-Control: must-revalidate');
20
21$rgb = str_replace('#', '', Horde_Util::getFormData('c'));
22
23$r = hexdec(substr($rgb, 0, 2));
24$g = hexdec(substr($rgb, 2, 2));
25$b = hexdec(substr($rgb, 4, 2));
26
27if ($rgb) {
28    printf('%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c', 71,73,70,56,57,97,1,0,1,0,128,0,0,$r,$g,$b,0,0,0,44,0,0,0,0,1,0,1,0,0,2,2,68,1,0,59);
29} else {
30    printf('%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%', 71,73,70,56,57,97,1,0,1,0,128,255,0,192,192,192,0,0,0,33,249,4,1,0,0,0,0,44,0,0,0,0,1,0,1,0,0,2,2,68,1,0,59);
31}
32