creates an reflection thumbnail (2013-11-25) similar to 1st gen Ipod product photos

Reflection.php

<?php
namespace Reflection\ProcImg;

class Reflection{
	private $size;
	private $width;
	private $height;
	private $hoehe;
	private $breite;
	private $pathimg;
	private $paththumb;
	
	public function __construct($paththumb, $pathrefl){
		$halb = 0.50;
		$start = 80;
		$stop = 0;
		
		$detail = getimagesize($paththumb);

		$width 	= $detail[0];
		$height = $detail[1];
		$type 	= $detail[2];
		$mime 	= $detail['mime'];

		$neuehohe = $height*$halb;
		switch($mime){
			case "image/jpeg":
				$source = imagecreatefromjpeg($paththumb);
				break;

			case "image/gif":
				$source = imagecreatefromgif($paththumb);
				break;

			case "image/png":
				$source = imagecreatefrompng($paththumb);
				break;
		}

		$spieglung = imagecreatetruecolor($width,$neuehohe);
		$buffer = imagecreatetruecolor($width,$neuehohe);

		imagesavealpha($spieglung,true);
		imagesavealpha($buffer,true);

		imagecopy($spieglung, $source, 0, 0, 0, $height - $neuehohe, $width, $neuehohe);

		for ($y=0; $y<$neuehohe; $y++){
			imagecopy($buffer, $spieglung, 0, $y, 0, $neuehohe - $y - 1, $width, 1);
		}

		$spieglung = $buffer;
		$trans = abs($start-$stop);
		imagelayereffect($spieglung,IMG_EFFECT_OVERLAY);

		for ($y=0; $y<=$neuehohe; $y++){
			$prozenthohe = $y/$neuehohe;

			if ($start>$stop){
				$alpha = (int)($start- ($prozenthohe*$trans));
			}
			else{
				$alpha = (int)($start+ ($prozenthohe*$trans));
			}
			$trans2 = 127-$alpha;
			imagefilledrectangle($spieglung, 0, $y, $width, $y, imagecolorallocatealpha($spieglung, 127, 127, 127, $trans2));
		}
		
		imagepng($spieglung, $pathrefl);
	}
}