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