Untitled

<?php

require '_config.php';

header ("Content-type: image/png");
$filename = "bild.jpg";
$im = @imagecreatetruecolor(WIDTH, HEIGHT)
      or die("trasigt!");
list($width, $height) = getimagesize($filename);

$w = $width/WIDTH;
$h = $height/HEIGHT;
if($w==$h) { // The AR is correct
	$nwidth = $w;
	$nheight = $h;
}
elseif($w>$h) { // It's too wide!
	$nwidth = $width/$h;
	$nheight = $height/$h;
}
elseif($w<$h) { // It's too tall!
	$nwidth = $width/$w;
	$nheight = $height/$w;
}

$newimage = imagecreatetruecolor(WIDTH, HEIGHT);

$image = imagecreatefromjpeg($filename);
imagecopyresampled($newimage, $image, 0, 0, 0, 0, $nwidth, $nheight, $width, $height);

// Output
imagejpeg($newimage, null, 100);

?>