JBZoo\Image\Image::getBase64 PHP Method

    public function getBase64($format = 'gif', $quality = null, $addMime = true)
    {
        list($mimeType, $binaryData) = $this->_renderBinary($format, $quality);
        $result = base64_encode($binaryData);
        if ($addMime) {
            $result = 'data:' . $mimeType . ';base64,' . $result;
        }
        return $result;
    }

 /**
  * @expectedException \JBZoo\Image\Exception
  */
 public function testToBase64Undefined()
 {
     $img = new Image();
     $img->getBase64();
 }