6 * Date: October 20, 2001
7 * Comment: Generates random two-color frames, featuring either
8 * a dark or light background.
11 * @copyright © 2000-2006 The SquirrelMail Project Team
12 * @license http://opensource.org/licenses/gpl-license.php GNU Public License
14 * @package squirrelmail
18 /** Prevent direct script loading */
19 if ((isset($_SERVER['SCRIPT_FILENAME']) && $_SERVER['SCRIPT_FILENAME'] == __FILE__
) ||
20 (isset($HTTP_SERVER_SERVER['SCRIPT_FILENAME']) && $HTTP_SERVER_SERVER['SCRIPT_FILENAME'] == __FILE__
) ) {
24 /** load sq_mt_randomize() */
25 include_once(SM_PATH
. 'functions/strings.php');
27 /** seed the random number generator */
30 /** light(1) or dark(0) background toggle **/
33 /** range delimiter **/
38 $cmax_b = 127 +
$bgrd;
40 /** generate random color **/
41 $rb = mt_rand($cmin_b,$cmax_b);
42 $gb = mt_rand($cmin_b,$cmax_b);
43 $bb = mt_rand($cmin_b,$cmax_b);
46 $cmin_t = 128 - $bgrd;
47 $cmax_t = 255 - $bgrd;
49 /** generate random color **/
50 $rt = mt_rand($cmin_t,$cmax_t);
51 $gt = mt_rand($cmin_t,$cmax_t);
52 $bt = mt_rand($cmin_t,$cmax_t);
54 /** set array element as hex string with hashmark (for HTML output) **/
55 for ($i = 0; $i <= 15; $i++
) {
56 if ($i == 0 or $i == 3 or $i == 4 or $i == 5 or $i == 9 or $i == 10 or $i == 12) {
57 $color[$i] = sprintf('#%02X%02X%02X',$rb,$gb,$bb);
59 $color[$i] = sprintf('#%02X%02X%02X',$rt,$gt,$bt);