Horde_Pdf_Writer::line PHP Method

    public function line($x1, $y1, $x2, $y2)
    {
        if ($x1 < 0) {
            $x1 += $this->w;
        }
        if ($y1 < 0) {
            $y1 += $this->h;
        }
        if ($x2 < 0) {
            $x2 += $this->w;
        }
        if ($y2 < 0) {
            $y2 += $this->h;
        }
        $this->_out(sprintf('%.2F %.2F m %.2F %.2F l S', $x1 * $this->_scale, ($this->h - $y1) * $this->_scale, $x2 * $this->_scale, ($this->h - $y2) * $this->_scale));
    }