Content Comparison

<?php
// #!/usr/bin/env php
require_once "loxberry_XL.php";

$url = "http://192.168.178.xxx:PORT/cgi-bin/CGIProxy.fcgi";
// Get new sizes
  list($width, $height) = getimagesize($url);
  $newwidth = 1;
  $newheight = 1;
  
  // Load
  $thumb = imagecreatetruecolor($newwidth, $newheight);
  $source = imagecreatefromjpeg($url);
  
  // Resize
  imagecopyresized($thumb, $source, 0, 0, 0, 0, $newwidth, $newheight, $width, $height);
  
  // Output
  //imagejpeg($thumb);
  
  
  $rgb = imagecolorat($thumb,0,0);
  	
  	$r = ($rgb >> 16) & 0xFF;
  	$g = ($rgb >> 8) & 0xFF;
  	$b = $rgb & 0xFF;
  	
  	echo '<br><br>RGB (dec): ';
  	echo 'R: '.$r.' '; 
  	echo 'G: '.$g.' ';
  	echo 'B: '.$b.' ';
      

  	$helligkeit = round(sqrt((0.299 * pow($r,2)) + (0.587 * pow($g,2)) + (0.114 * pow($b,2))));
  	$helligkeitprozent = round(($helligkeit / 255) * 100);
  		
  	echo "\n<br>";
  	echo 'Helligkeit: '.$helligkeit.' von 255 ('.$helligkeitprozent.'%)'."\n<br>";