code: protected function drawBordered($content)
  	{
  		$left = $this->geometry->getLeftBordersWith(static::BORDER_X);
  
  		$right = $this->geometry->getRightBordersWith(static::BORDER_X);
  
  		$this->drawRow($left.$content.$right);
  	}
docs: Draw content wrapped by borders.
  
  @author	Andrea Marco Sartori
  @param	string	$content
  @return	void