function pixelate($size) {
		imagefilter($this->data,IMG_FILTER_PIXELATE,$size,TRUE);
		return $this->save();
	}
function pixelate($size) {
		imagefilter($this->data,IMG_FILTER_PIXELATE,$size,TRUE);
		return $this->save();
	}
function pixelate ( $ size ) { imagefilter ( $ this -> data , IMG_FILTER_PIXELATE , $ size , TRUE ) ; return $ this -> save ( ) ; }
Pixelate the image
@return object
@param $size int
Pixelate the image