monostochastic.php

   1 <?php
   2
   3 /**
   4  * monostochastic.php
   5  * Name:    Monostochastic
   6  * Date:    October 20, 2001
   7  * Comment: Generates random two-color frames, featuring either
   8  *          a dark or light background.
   9  *
  10  * @author Jorey Bump
  11  * @copyright &copy; 2000-2007 The SquirrelMail Project Team
  12  * @license http://opensource.org/licenses/gpl-license.php GNU Public License
  13  * @version $Id$
  14  * @package squirrelmail
  15  * @subpackage themes
  16  */
  17
  18 /** Prevent direct script loading */
  19 if (isset($_SERVER['SCRIPT_FILENAME']) && $_SERVER['SCRIPT_FILENAME'] == __FILE__) {
  20     die();
  21 }
  22
  23 /** load sq_mt_randomize() */
  24 include_once(SM_PATH . 'functions/strings.php');
  25
  26 /** seed the random number generator */
  27 sq_mt_randomize();
  28
  29 /** light(1) or dark(0) background toggle **/
  30 $bg = mt_rand(0,1);
  31
  32 /** range delimiter **/
  33 $bgrd = $bg * 128;
  34
  35 /** background **/
  36 $cmin_b = 0 + $bgrd;
  37 $cmax_b = 127 + $bgrd;
  38
  39 /** generate random color **/
  40 $rb = mt_rand($cmin_b,$cmax_b);
  41 $gb = mt_rand($cmin_b,$cmax_b);
  42 $bb = mt_rand($cmin_b,$cmax_b);
  43
  44 /** text **/
  45 $cmin_t = 128 - $bgrd;
  46 $cmax_t = 255 - $bgrd;
  47
  48 /** generate random color **/
  49 $rt = mt_rand($cmin_t,$cmax_t);
  50 $gt = mt_rand($cmin_t,$cmax_t);
  51 $bt = mt_rand($cmin_t,$cmax_t);
  52
  53 /** set array element as hex string with hashmark (for HTML output) **/
  54 for ($i = 0; $i <= 15; $i++) {
  55     if ($i == 0 or $i == 3 or $i == 4 or $i == 5 or $i == 9 or $i == 10 or $i == 12) {
  56         $color[$i] = sprintf('#%02X%02X%02X',$rb,$gb,$bb);
  57     } else {
  58         $color[$i] = sprintf('#%02X%02X%02X',$rt,$gt,$bt);
  59     }
  60 }