Pop\Pdf\Pdf::drawLine PHP Method

    public function drawLine($x1, $y1, $x2, $y2)
    {
        $co_index = $this->getContentObject();
        $this->objects[$co_index]->setStream("\n{$x1} {$y1} m\n{$x2} {$y2} l\nS\n");
        return $this;
    }