/tags/webmail-release-1_4_22/themes/darkness.php
PHP | 140 lines | 99 code | 15 blank | 26 comment | 13 complexity | 22ca8cf26c1a4b7e5e7b3a8e67d726b7 MD5 | raw file
Possible License(s): AGPL-1.0, GPL-2.0
- <?php
- /**
- * Theme Name: 'Darkness'
- * Like black?
- *
- * @author Tyler Akins
- * @copyright 2001-2011 The SquirrelMail Project Team
- * @license http://opensource.org/licenses/gpl-license.php GNU Public License
- * @version $Id: darkness.php 14084 2011-01-06 02:44:03Z pdontthink $
- * @package squirrelmail
- * @subpackage themes
- */
- /**
- * Load up the usual suspects.. */
- require_once(SM_PATH . 'functions/strings.php');
- // Note: The text distance is actually pre-squared
- // Background range is from 24-64, all three colors are the same
- // Text range is from 196 to 255
- $BackgroundTargetDistance = 12;
- $BackgroundAdjust = 1;
- $TextTargetDistance = 65536;
- $TextAdjust = 0.95;
- function IsUnique($Distance, $r, $g, $b, $usedArray)
- {
- foreach ($usedArray as $data) {
- $a = abs($data[0] - $r);
- $b = abs($data[1] - $g);
- $c = abs($data[2] - $b);
- $newDistance = $a * $a + $b * $b + $c * $c;
- if ($newDistance < $Distance)
- return false;
- }
- return true;
- }
- // Extra spiffy page fade if left frame
- // Always tremble background
- // This might make people go insane. Yes! *Victory dance!*
- function Darkness_HeaderPlugin() {
- if (defined('PAGE_NAME') && PAGE_NAME=='left_main') {
- echo '<meta http-equiv="Page-Enter" content="' .
- 'blendTrans(Duration=2.0)" />' . "\n";
- }
- ?><script type="text/javascript">
- darkness_color = 0;
- darkness_dir = +1;
- darkness_hex = new Array('0', '1', '2', '3', '4', '5', '6', '7', '8', '9',
- 'a', 'b', 'c', 'd', 'e', 'f');
- function DarknessTremble() {
- if (darkness_color >= 32 || darkness_color <= 0)
- darkness_dir = - darkness_dir;
- darkness_color += darkness_dir;
- if (darkness_color < 0)
- darkness_color = 0;
- bigDigit = Math.floor(darkness_color / 16);
- littleDigit = darkness_color - (bigDigit * 16);
- Color = darkness_hex[bigDigit] + darkness_hex[littleDigit];
- document.bgColor='#' + Color + Color + Color;
- setTimeout('DarknessTremble()', 5000);
- }
- setTimeout('DarknessTremble()', 10000);
- </script>
- <?php
- }
- global $squirrelmail_plugin_hooks;
- $squirrelmail_plugin_hooks['generic_header']['theme_darkness'] =
- 'Darkness_HeaderPlugin';
- /** seed the random number generator **/
- sq_mt_randomize();
- $color[3] = '#000000';
- $color[4] = '#000000';
- $used = array(0);
- $targetDistance = $BackgroundTargetDistance;
- $Left = array(0, 5, 9, 10, 12);
- while (count($Left) > 0) {
- // Some background colors
- $r = mt_rand(24,64);
- $unique = true;
- foreach ($used as $col) {
- if (abs($r - $col) < $targetDistance)
- $unique = false;
- }
- if ($unique) {
- $i = array_shift($Left);
- $color[$i] = sprintf('#%02X%02X%02X',$r,$r, $r);
- $used[] = $r;
- $targetDistance = $BackgroundTargetDistance;
- } else {
- $targetDistance -= $BackgroundAdjust;
- }
- }
- // Set the error color to some shade of red
- $r = mt_rand(196, 255);
- $g = mt_rand(144, ($r * .8));
- $color[2] = sprintf('#%02X%02X%02X', $r, $g, $g);
- $used = array(array($r, $g, $g));
- // Set normal text colors
- $cmin = 196;
- $cmax = 255;
- foreach (array(6, 8) as $i) {
- /** generate random color **/
- $r = mt_rand($cmin,$cmax);
- $g = mt_rand($cmin,$cmax);
- $b = mt_rand($cmin,$cmax);
- $color[$i] = sprintf('#%02X%02X%02X',$r,$g,$b);
- $used[] = array($r, $g, $b);
- }
- $Left = array(1, 7, 11, 13, 14, 15);
- $targetDistance = $TextTargetDistance;
- while (count($Left) > 0) {
- // Text colors -- Try to keep the colors distinct
- $cmin = 196;
- $cmax = 255;
- /** generate random color **/
- $r = mt_rand($cmin,$cmax);
- $g = mt_rand($cmin,$cmax);
- $b = mt_rand($cmin,$cmax);
- if (IsUnique($targetDistance, $r, $g, $b, $used)) {
- $i = array_shift($Left);
- $color[$i] = sprintf('#%02X%02X%02X',$r,$g,$b);
- $used[] = array($r, $g, $b);
- $targetDistance = $TextTargetDistance;
- } else {
- $targetDistance *= $TextAdjust;
- }
- }