217e5e5703115e8f7d86c989c720ade68648b576
[squirrelmail.git] / themes / spice_of_life.php
1 <?php
2
3 /**
4 * Name: Spice of Life
5 * Date: October 20, 2001
6 * Comment Generates random colors for each frame,
7 * featuring either a dark or light background.
8 *
9 * @author Jorey Bump
10 * @copyright &copy; 2000-2007 The SquirrelMail Project Team
11 * @license http://opensource.org/licenses/gpl-license.php GNU Public License
12 * @version $Id$
13 * @package squirrelmail
14 * @subpackage themes
15 */
16
17 /** Prevent direct script loading */
18 if (isset($_SERVER['SCRIPT_FILENAME']) && $_SERVER['SCRIPT_FILENAME'] == __FILE__) {
19 die();
20 }
21
22 /** load sq_mt_randomize() */
23 include_once(SM_PATH . 'functions/strings.php');
24
25 /** seed the random number generator **/
26 sq_mt_randomize();
27
28 /** light(1) or dark(0) background? **/
29 $bg = mt_rand(0,1);
30
31 /** range delimiter **/
32 $bgrd = $bg * 128;
33
34 for ($i = 0; $i <= 16; $i++) {
35 /** background/foreground toggle **/
36 if ($i == 0 or $i == 3 or $i == 4 or $i == 5 or $i == 9 or $i == 10 or $i == 12 or $i == 16) {
37 /** background **/
38 $cmin = 0 + $bgrd;
39 $cmax = 127 + $bgrd;
40 } else {
41 /** text **/
42 $cmin = 128 - $bgrd;
43 $cmax = 255 - $bgrd;
44 }
45
46 /** generate random color **/
47 $r = mt_rand($cmin,$cmax);
48 $g = mt_rand($cmin,$cmax);
49 $b = mt_rand($cmin,$cmax);
50
51 /** set array element as hex string with hashmark (for HTML output) **/
52 $color[$i] = sprintf('#%02X%02X%02X',$r,$g,$b);
53 }