Lots-o-contrast

[squirrelmail.git] / themes / darkness.php

<?php
   /** Author:       Tyler Akins
       Theme Name:   "Darkness"

       Like black?
       
   **/

   $TargetDistance = 32768;

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() {
   global $PHP_SELF, $Darkness_Transition;
   
   if (substr($PHP_SELF, -18) == "/src/left_main.php") {
      echo '<meta http-equiv="Page-Enter" content="' .
         'blendTrans(Duration=2.0)">' . "\n";
   }
	 
?><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");
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(array(0, 0, 0));
   $targetDistance = $TargetDistance;
   $Left = array(0, 5, 9, 10, 12);
   while (count($Left) > 0) {
      // Some background colors
      $r = mt_rand(32,64);
      $g = $r;
      $b = $r;
      if (IsUnique($targetDistance, $r, $g, $b, $used)) {
         $i = array_shift($Left);
         $color[$i] = sprintf("#%02X%02X%02X",$r,$g,$b);
	 $used[] = array($r, $g, $b);
	 $targetDistance = $TargetDistance;
      } else {
         $targetDistance *= 0.9;
      }
   }
   
   // 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 = $TargetDistance;
   while (count($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 = $TargetDistance;
      } else {
         $targetDistance *= 0.9;
      }
   }


/** Reference from  doc/themes.txt

b  0: Title Bar at the top of the page header
f  1: <not currently used>
f  2: Error messages, usually red
b  3: Left folder list background color
b  4: Normal background color
b  5: Header of the message index [From, Date, Subject]
f  6: Normal text on the left folder list
f  7: Links in the right frame, Folders with subfolders in left frame
f  8: Normal text [usually black]
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 14: Color for text with more than one quote (default: #FF0000)

**/

?>