NFePHP\Extras\PdfNFePHP::RoundedRect PHP Method

    public function RoundedRect($x, $y, $w, $h, $r, $corners = '1234', $style = '')
    {
        $k = $this->k;
        $hp = $this->h;
        if ($style == 'F') {
            $op = 'f';
        } elseif ($style == 'FD' || $style == 'DF') {
            $op = 'B';
        } else {
            $op = 'S';
        }
        $MyArc = 4 / 3 * (sqrt(2) - 1);
        $this->_out(sprintf('%.2F %.2F m', ($x + $r) * $k, ($hp - $y) * $k));
        $xc = $x + $w - $r;
        $yc = $y + $r;
        $this->_out(sprintf('%.2F %.2F l', $xc * $k, ($hp - $y) * $k));
        if (strpos($corners, '2') === false) {
            $this->_out(sprintf('%.2F %.2F l', ($x + $w) * $k, ($hp - $y) * $k));
        } else {
            $this->_arc($xc + $r * $MyArc, $yc - $r, $xc + $r, $yc - $r * $MyArc, $xc + $r, $yc);
        }
        $xc = $x + $w - $r;
        $yc = $y + $h - $r;
        $this->_out(sprintf('%.2F %.2F l', ($x + $w) * $k, ($hp - $yc) * $k));
        if (strpos($corners, '3') === false) {
            $this->_out(sprintf('%.2F %.2F l', ($x + $w) * $k, ($hp - ($y + $h)) * $k));
        } else {
            $this->_arc($xc + $r, $yc + $r * $MyArc, $xc + $r * $MyArc, $yc + $r, $xc, $yc + $r);
        }
        $xc = $x + $r;
        $yc = $y + $h - $r;
        $this->_out(sprintf('%.2F %.2F l', $xc * $k, ($hp - ($y + $h)) * $k));
        if (strpos($corners, '4') === false) {
            $this->_out(sprintf('%.2F %.2F l', $x * $k, ($hp - ($y + $h)) * $k));
        } else {
            $this->_arc($xc - $r * $MyArc, $yc + $r, $xc - $r, $yc + $r * $MyArc, $xc - $r, $yc);
        }
        $xc = $x + $r;
        $yc = $y + $r;
        $this->_out(sprintf('%.2F %.2F l', $x * $k, ($hp - $yc) * $k));
        if (strpos($corners, '1') === false) {
            $this->_out(sprintf('%.2F %.2F l', $x * $k, ($hp - $y) * $k));
            $this->_out(sprintf('%.2F %.2F l', ($x + $r) * $k, ($hp - $y) * $k));
        } else {
            $this->_arc($xc - $r, $yc - $r * $MyArc, $xc - $r * $MyArc, $yc - $r, $xc, $yc - $r);
        }
        $this->_out($op);
    }