Weblabor

function resizejpeg($kicsinyits, $dir, $newdir, $img, $max_w, $max_h, $th_w, $th_h) {
   // set destination directory
   if (!$newdir) $newdir = $dir;
   // get original images width and height
   list($or_w, $or_h, $or_t) = getimagesize($dir.$img);
   // make sure image is a jpeg
   if ($or_t == 2) {
       // obtain the image's ratio
       $ratio = ($or_h / $or_w);
       // original image
       $or_image = imagecreatefromjpeg($dir.$img);
       // resize image?
       if ($or_w > $max_w || $or_h > $max_h) {
           // resize by height, then width (height dominant)
		$rs_w = $max_w;
		$rs_h = $ratio * $rs_w;
           if ($rs_h > $max_h) {
               $rs_h = $max_h;
               $rs_w = $rs_h / $ratio;
           }
           // resize by width, then height (width dominant)
           else {
           }
           // copy old image to new image
           $rs_image = imagecreatetruecolor($rs_w, $rs_h);
           imagecopyresampled($rs_image, $or_image, 0, 0, 0, 0, $rs_w, $rs_h, $or_w, $or_h);
       }
       // image requires no resizing
       else {
           $rs_w = $or_w;
           $rs_h = $or_h;
           $rs_image = $or_image;
       }
	if ($kicsinyits=="nagy") {
		// generate resized image
		touch($newdir.$img);
		imagejpeg($rs_image, $newdir.$img, 100);
		}
	elseif ($kicsinyits=="kicsi")
		{
		// generate thumbnail
		touch($newdir.'thumb_'.$img);
      		imagejpeg($rs_image, $newdir.'thumb_'.$img, 100);
		}
       return true;
   }
   // Image type was not jpeg!
   else { return false; }
}
?>