body.php

<?php

    /*
    *   Usage: body.php?nick=Notch&size=4
    *   Dimensions will be 16*size px width and 32*size px height
    */

    if(!isset($_GET['nick'])) {
        $_GET['nick'] = 'char';
    }
    if(!isset($_GET['size'])) {
        $_GET['size'] = 1;
    }

    $cache_file = 'cache_body/'.$_GET['nick'].'_'.$_GET['size'].'.png';
    $cache_life = '86400';
    $filemtime = @filemtime($cache_file);

    if (!$filemtime or (time() - $filemtime >= $cache_life)) {

        $width = 16*$_GET['size'];
        $height = 32*$_GET['size'];

        $img=imagecreatetruecolor(16,32);
        imagealphablending($img, false);
        $transparent = imagecolorallocatealpha($img, 0, 0, 0, 127);
        imagefill($img, 0, 0, $transparent);
        imagesavealpha($img,true);
        imagealphablending($img, true);

        $im = @imagecreatefrompng('http://s3.amazonaws.com/MinecraftSkins/'.$_GET['nick'].'.png');
        if(!$im) {
            $im = @imagecreatefrompng('http://s3.amazonaws.com/MinecraftSkins/char.png');
        }

        imagealphablending($im, true);
        imagecopy($img, $im, 4, 0, 8, 8, 8, 8); //head
        imagecopy($img, $im, 4, 8, 20, 20, 8, 12); //chest
        imagecopy($img, $im, 4, 20, 4, 20, 4, 12); //left leg
        imagecopyresampled($img, $im, 8, 20, 7, 20, 4, 12, -4, 12); //right leg (horizontal flipped left leg)
        imagecopy($img, $im, 0, 8, 44, 20, 4, 12); //left arm
        imagecopyresampled($img, $im, 12, 8, 47, 20, 4, 12, -4, 12); //right arm

        $resized=imagecreatetruecolor($width,$height);
        imagealphablending($resized, false);
        $transparent = imagecolorallocatealpha($resized, 0, 0, 0, 127);
        imagefill($resized, 0, 0, $transparent);
        imagesavealpha($resized,true);
        imagealphablending($resized, true);

        imagecopyresampled($resized, $img, 0, 0, 0, 0, $width, $height, 16, 32);

        header("Content-type: image/png");

        imagepng($resized);
        imagepng($resized, $cache_file);
        imagedestroy($img);
        imagedestroy($im);
        imagedestroy($bg);
        imagedestroy($resized);
    } else {
        readfile($cache_file);
    }

?>