/**
* Get a thumbnail object.
*
* @param string|array $fileName
* @param integer $width
* @param integer $height
* @param string $scale
*
* @return Thumbnail
*/
private function getThumbnail($fileName, $width = null, $height = null, $scale = null)
{
$thumb = new Thumbnail($this->app['config']->get('general/thumbnails'));
$thumb->setFileName($fileName)->setWidth($width)->setHeight($height)->setScale($scale);
return $thumb;
}
