Merge of Steve Brown's patch

[squirrelmail.git] / themes / darkness.php

diff --git a/themes/darkness.php b/themes/darkness.php
index 3a48deff1e82957a61819340e71ff5ac1d3598f8..705c0184e961348a6255b86342a950b691632896 100755 (executable)
--- a/themes/darkness.php
+++ b/themes/darkness.php
@@ -1,12 +1,28 @@
 <?php
-   /** Author:       Tyler Akins
-       Theme Name:   "Darkness"
 
-       Like black?
-       
-   **/
+/**
+ * Theme Name:   'Darkness'
+ * Like black?
+ *
+ * @author Tyler Akins
+ * @copyright &copy; 2001-2006 The SquirrelMail Project Team
+ * @license http://opensource.org/licenses/gpl-license.php GNU Public License
+ * @version $Id$
+ * @package squirrelmail
+ * @subpackage themes
+ */
 
-   $TargetDistance = 16384;
+/**
+ * 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, $usedArray)
 {
@@ -26,18 +42,18 @@ function IsUnique($Distance, $r, $g, $b, $usedArray)
 // Always tremble background
 // This might make people go insane.  Yes!  *Victory dance!*
 function Darkness_HeaderPlugin() {
-   global $PHP_SELF, $Darkness_Transition;
-   
-   if (substr($PHP_SELF, -18) == "/src/left_main.php") {
+   global $PHP_SELF;
+
+   if (substr($PHP_SELF, -18) == '/src/left_main.php') {
       echo '<meta http-equiv="Page-Enter" content="' .
-         'blendTrans(Duration=2.0)">' . "\n";
+         'blendTrans(Duration=2.0)" />' . "\n";
    }
-        
-?><script language=javascript>
+
+?><script language="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");
+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;
@@ -47,12 +63,12 @@ function DarknessTremble() {
    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);
+   document.bgColor='#' + Color + Color + Color;
+   setTimeout('DarknessTremble()', 5000);
 }
-setTimeout("DarknessTremble()", 10000);
+setTimeout('DarknessTremble()', 10000);
 </script>
-<?PHP
+<?php
 }
 
 global $squirrelmail_plugin_hooks;
@@ -62,32 +78,35 @@ $squirrelmail_plugin_hooks['generic_header']['theme_darkness'] =
    /** seed the random number generator **/
    sq_mt_randomize();
 
-   $color[3] = "#000000";
-   $color[4] = "#000000";
-   $used = array(array(0, 0, 0));
-   $targetDistance = $TargetDistance;
+   $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(32,64);
-      $g = $r;
-      $b = $r;
-      if (IsUnique($targetDistance, $r, $g, $b, $used)) {
+      $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",$r,$g,$b);
-        $used[] = array($r, $g, $b);
-        $targetDistance = $TargetDistance;
+         $color[$i] = sprintf('#%02X%02X%02X',$r,$r, $r);
+         $used[] = $r;
+         $targetDistance = $BackgroundTargetDistance;
       } else {
-         $targetDistance *= 0.9;
+         $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);
+   $color[2] = sprintf('#%02X%02X%02X', $r, $g, $g);
    $used = array(array($r, $g, $g));
-   
+
    // Set normal text colors
    $cmin = 196;
    $cmax = 255;
@@ -96,17 +115,17 @@ $squirrelmail_plugin_hooks['generic_header']['theme_darkness'] =
       $r = mt_rand($cmin,$cmax);
       $g = mt_rand($cmin,$cmax);
       $b = mt_rand($cmin,$cmax);
-      $color[$i] = sprintf("#%02X%02X%02X",$r,$g,$b);
+      $color[$i] = sprintf('#%02X%02X%02X',$r,$g,$b);
       $used[] = array($r, $g, $b);
    }
-      
-   $Left = array(1, 7, 11, 13, 14);
-   $targetDistance = $TargetDistance;
+
+   $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);
@@ -114,11 +133,11 @@ $squirrelmail_plugin_hooks['generic_header']['theme_darkness'] =
 
       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 = $TargetDistance;
+         $color[$i] = sprintf('#%02X%02X%02X',$r,$g,$b);
+         $used[] = array($r, $g, $b);
+         $targetDistance = $TextTargetDistance;
       } else {
-         $targetDistance *= 0.9;
+         $targetDistance *= $TextAdjust;
       }
    }
 
@@ -138,9 +157,9 @@ b  9: Darker version of #0
 b 10: Darker version of #9
 f 11: Special folders color [Inbox, Trash, Sent]
 b 12: Alternate color for message list [alters between 4 and this one]
-f 13: Color for single-quoted text ("> text") when reading (default:  #800000)
+f 13: Color for single-quoted text ('> text') when reading (default:  #800000)
 f 14: Color for text with more than one quote (default: #FF0000)
 
 **/
 
-?>
+?>
\ No newline at end of file