/** * set the line gap value * @param numeric $linegap **/ public function setLinegap($linegap) { if ($this->direction == -1) { foreach ($this->directions as $direction) { $this->font_metrics[$direction]->setLinegap($linegap); } parent::setLinegap($linegap); } else { $this->font_metrics[$this->direction]->setLinegap($linegap); } }