[PHP] Problem z miniaturkami ( czarne miniaturki ) Opcje

[deadwheel]

Jak w temacie mam problem z tworzeniem miniaturek . Tworzy tylko czarne obrazki .

[PHP] pobierz, plaintext 
	function savethumb($image,$dest) {
 
		global $new_chmod;
 
		$maxheight = 91;
		$maxwidth = 135;
 
		$ext=getimagesize($image);
		switch (strtolower($ext[2])) {
			case '2': $im  = imagecreatefromjpeg ($image);
			break;
			case '1' : $im  = imagecreatefromgif  ($image);
			break;
			case '3' : $im  = imagecreatefrompng  ($image);
			break;
			default    : $stop = true;
			break;
		}
 
		$result="";
    if (!isset($stop)) {
			$x = imagesx($im);
			$y = imagesy($im);
 
 
 
if ($y > $x) 
{   
$ratio = $maxheight / $aa;  
$newheight = $maxheight;
$newwidth = $x * $ratio; 
$writex = round(($maxwidth - $newwidth) / 2);
$writey = 0;
}
else 
{
$ratio = $maxwidth / $x;   
$newwidth = $maxwidth;  
$newheight = $y * $ratio;   
$writex = 0;
$writey = round(($maxheight - $newheight) / 2);
}
 
$newimg = imagecreatetruecolor($maxwidth,$maxheight);
 
 
$palsize = ImageColorsTotal($im);  //Get palette size for original image
for ($i = 0; $i < $palsize; $i++) //Assign color palette to new image
{ 
$colors = ImageColorsForIndex($im, $i);   
ImageColorAllocate($newimg, $colors['red'], $colors['green'], $colors['blue']);
}
 
imagecopyresized($newimg, $im, $writex, $writey, 0, 0, $newwidth, $newheight, $x, $y);			
imagejpeg($newimg, $dest, 80);
@chmod($dest, $new_chmod);
 
			imagedestroy($im);
			imagedestroy($newimg);
			return $result;
		} else return false;
	}
[PHP] pobierz, plaintext 

Mysle ze poprostu zapisuje on $newimg czyli poprostu czarny obrazek bo nie jest on wypelniany ale nie mam pojecia jak go wypelnic wiec licze na wasza pomoc