PhpSigep\Pdf\ImprovedFPDF::restoreLastState PHP Méthode

    public function restoreLastState()
    {
        $this->_savedState = (array) $this->_savedState;
        foreach ($this->_savedState as $k => $v) {
            if ($this->{$k} != $v) {
                if ($k == 'FontFamily') {
                    $this->SetFont($v);
                } else {
                    if ($k == 'FontStyle') {
                        $this->SetFont('', $v);
                    } else {
                        $methodDefinition = array($this, 'set' . ucfirst($k));
                        if (is_callable($methodDefinition, true, $callable_name)) {
                            call_user_func($methodDefinition, $v);
                        } else {
                            $this->{$k} = $v;
                        }
                    }
                }
            }
        }
    }

 public function draw(\PhpSigep\Pdf\ImprovedFPDF $pdf)
 {
     $pdf->saveState();
     // quantos mm cabem dentro de um pt do pdf
     $un = 72 / 25.4;
     // Desenha o retangulo
     $pdf->SetFillColor(0, 0, 0);
     $pdf->SetDrawColor(0, 0, 0);
     $k = $pdf->k;
     $wRect = $un * 31.5 / $k;
     $h = $un * 22.5 / $k;
     $lineWidth = 2 / $k;
     $pdf->SetLineWidth($lineWidth);
     $x = $this->x;
     $y = $this->y;
     $pdf->RoundedRect($x, $y, $wRect, $h, 5);
     // Escreve o texto PAC
     $pdf->SetFont('Arial', 'B', 27);
     $pdf->SetXY($x, $y + 4.5 / $k);
     $pdf->Cell($wRect, 27 / $k, 'PAC', 0, 2, 'C');
     // Número contrato e DR
     $pdf->SetFont('', '', 7);
     $texto = $this->accessData->getNumeroContrato() . '/' . $this->accessData->getAnoContrato() . '-DR/' . $this->accessData->getDiretoria()->getSigla();
     $pdf->Cell($wRect, 6 / $k, $texto, 0, 2, 'C');
     // Nome do remetente
     $pdf->SetFont('', 'B', 9);
     $pdf->MultiCell($wRect, 8 / $k, $pdf->_($this->nomeRemetente), 0, 'C');
     // Insere a logo do correios na parte inferior
     $pdf->SetDrawColor(255, 255, 255);
     $pdf->SetLineWidth(2 / $k);
     $x1 = $x + 3.15 * $un / $k;
     $x2 = $x1 + 0.54 / $k;
     $y1 = $y + $h + 0.45 / $k;
     $y2 = $y1 - 0.9 / $k;
     $space = 3.6 / $k;
     $x1 += $space;
     $x2 += $space;
     $x1 += $space;
     $x2 += $space;
     $x1 += $space;
     $pdf->SetFontSize(9);
     $stringWidth = $pdf->GetStringWidth('CORREIOS');
     $x2 += $space + $stringWidth;
     $pdf->SetLineWidth(2.5 / $k);
     $pdf->Line($x1, $y + $h, $x2, $y + $h);
     $pdf->Image(realpath(dirname(__FILE__)) . '/../correios-logo.png', $x1, $y1 - 3);
     $pdf->restoreLastState();
 }