<?php

declare(strict_types=1);
/**
 * Calendar App
 *
 * @copyright 2021 Anna Larch <anna.larch@gmx.net>
 *
 * @author Anna Larch <anna.larch@gmx.net>
 * @author Richard Steinmetz <richard@steinmetz.cloud>
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU AFFERO GENERAL PUBLIC LICENSE
 * License as published by the Free Software Foundation; either
 * version 3 of the License, or any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU AFFERO GENERAL PUBLIC LICENSE for more details.
 *
 * You should have received a copy of the GNU Affero General Public
 * License along with this library.  If not, see <http://www.gnu.org/licenses/>.
 *
 */

namespace OCA\Gestion\Service\InvoiceGroupPdfHandler;

use DateTime;
use \FPDF;
use OCA\Gestion\Helpers\FileExportHelpers;
use OCA\Gestion\Helpers\PriceHelpers;

class InvoiceGroupPdfHandler extends FPDF
{
    public $factureData = [];
    public $logo = null;

    public $productsCount = 0;

    public $totalPrices = [];
    public $devisCount = 0;
    public $logoPath = "/var/www/html/data/admin/files/.gestion/";

    public $currentIndexPosition = 0;
    public $initialIndexPosition = 0;

    public $devisCountToGet = 0;
    public $devisList = [];

    public $thereIsOrderOrCaseNumber = false;
    public $startingYOfArticlesTable = 100;
    public int $maxArticlePerPage = 19;
    public $additionalArticlesLineBasedOnMultiline = 0;
    public $interLigneHeader = 5;

    function Header()
    {
        if ($this->logo != "nothing") {
            $this->Image($this->logoPath . "logo.png", 4, 2, 50, 35);
            // $this->AddWatermark();
        } else {
            $this->Cell(55, 30, '');
        }
        $this->SetMargins(3, 0, 3);
        $this->DrawInvoiceCompanyAndClientInfo();
        $this->DrawInvoiceInfoTable();
    }
    function AddWatermark()
    {
        try {
            $this->SetAlpha(0.2);

            $imagePath = $this->logoPath . "filigrane_pdf.png";
            list($originalWidth, $originalHeight) = getimagesize($imagePath);

            // Convertir les dimensions de pixels à mm (1 pixel = 0.264583 mm)  
            // Convertir les dimensions de pixels à mm (1 pixel = 0.264583 mm)  
            $originalWidth = $originalWidth * 0.264583;
            $originalHeight = $originalHeight * 0.264583;

            // Augmenter l'échelle, par exemple, 1.5 pour 150% de la taille d'origine  
            $scale = 1.7;
            $width = $originalWidth * $scale;
            $height = $originalHeight * $scale;
            // Calculer la position pour centrer l'image  
            $x = (210 - $width) / 2 + 15;  // Décalage à droite de 15 mm  
            $y = ((297 - $height) / 2) + 21;  // 297 mm est la hauteur d'une page A4  

            // Ajouter l'image en filigrane  
            $this->Image($imagePath, $x, $y, $width, $height); // Chemin, position x, position y, largeur, hauteur  
            $this->SetAlpha(0.1); // Définir l'opacité  

        } catch (\Throwable $th) {
            //throw $th;
        }
    }

    function SetAlpha($alpha)
    {
        // Appliquer la transparence au document
        $this->SetFillColor(255, 255, 255, $alpha * 255);
        $this->SetTextColor(0, 0, 0, $alpha * 255);
        $this->SetDrawColor(0, 0, 0, $alpha * 255);
    }

    public function DrawInvoiceCompanyAndClientInfo()
    {
        $this->DrawInvoiceCompanyInfo();
        $this->DrawInvoiceClientInfo();

    }

    function Footer()
    {
        $this->SetY(-34);
        $this->SetFont('ComicSans', '', 7);

        $this->MultiCell(0, 4, utf8_decode(html_entity_decode('Tout retard de paiement entraînera de plein droit une pénalité de retard de 3 fois le taux légal ')));
        $this->MultiCell(0, 4, utf8_decode(html_entity_decode('(Loi 2008-776 du 4 août 2008) et une indemnité forfaitaire de 40 EUR pour frais de recouvrement sera appliquée.')));

        $this->Ln(1);
        $this->MultiCell(0, 4, utf8_decode(html_entity_decode('Si les frais de recouvrement sont supérieurs à ce montant forfaitaire, une indemnisation complémentaire')));
        $this->MultiCell(0, 4, utf8_decode(html_entity_decode('sera due sur présentation de justificatifs (articles L.441-3 et L.441-6 du code de commerce).')));

        $this->SetY(-10);
        $this->SetFont('ComicSans', '', 7);
        $this->Cell(0, 10, utf8_decode(html_entity_decode($this->factureData['configuration']->legal_one)), 0, 0, 'C');
    }

    public function InvoicePdfFactory(array $factureData, $logo = null)
    {
        $this->factureData = $factureData;
        $this->productsCount = $this->factureData["productsCount"];
        $this->devisCount = count($this->factureData['devis']);
        $this->totalPrices = $this->factureData["totalPrices"];
        $this->devisCountToGet = ($this->devisCount <= $this->maxArticlePerPage) ? $this->devisCount : $this->maxArticlePerPage;
        $this->devisList = $this->factureData['devis'];
        $this->logo = $logo;
    }

    public function GetInvoiceFilename()
    {
        $factureNum = $this->factureData['num'];
        $factureNum = str_replace('/', '-', $factureNum);
        $clientName = str_replace('&nbsp;', ' ', $this->factureData['group_name'] ?? '');
        return 'FACTURE' . '_' . $factureNum . '_' . mb_strtoupper($clientName, 'UTF-8');
    }

    public function DrawPageNumbersText($pageNumber, $pageCount)
    {
        $this->SetXY(120, 5);
        $this->Cell(160, 8, $pageNumber . '/' . $pageCount, 0, 0, 'C');
    }

    public function DrawArticlesTable()
    {
        $pageCount = ceil($this->devisCount / $this->maxArticlePerPage);
        $pageNumber = 1;
        while ($pageNumber <= $pageCount) {
            if ($pageNumber > 1) {
                $this->AddPage();
                $this->DrawPageNumbersText($pageNumber, $pageCount);
            }
            $this->DrawArticlesTableRect();
            $this->DrawArticlesTableHeader();
            $this->DrawArticlesTableValue();
            $pageNumber++;
        }
    }

    public function DrawInvoiceCompanyInfo()
    {
        $this->SetY(40);
        $this->SetFont('ComicSans', '', 10);
        $this->Cell(0, $this->interLigneHeader, FileExportHelpers::FormatTextForExport($this->factureData['configuration']->entreprise), 0, 1);
        $this->Cell(0, $this->interLigneHeader, FileExportHelpers::FormatTextForExport($this->factureData['configuration_adresse']), 0, 1);
        $this->Cell(0, $this->interLigneHeader, FileExportHelpers::FormatTextForExport($this->factureData['configuration_adresse_city']), 0, 1);
        $this->Cell(0, $this->interLigneHeader, FileExportHelpers::FormatTextForExport('Tél : ') . FileExportHelpers::FormatTextForExport($this->factureData['configuration']->telephone), 0, 1);
        $this->Cell(0, $this->interLigneHeader, 'Mail : ' . $this->factureData['configuration']->mail, 0, 1);
    }
    public function DrawInvoiceClientInfo()
    {
        $this->SetFont('ComicSans', '', 10);
        $clientName = $this->factureData['group_name'];
        $clientInfoXAxis = 135;

        $clientAddress = $this->factureData['client_real_adress'];
        $maxWidth = $this->GetPageWidth();
        $availableWidhtForClientInfo = $maxWidth - 2 - $clientInfoXAxis;
        $address = FileExportHelpers::FormatTextForExport(trim($clientAddress));
        $addressWidth = $this->GetStringWidth($address);
        $addressWidthGreaterThanMaxWidth = $addressWidth > $availableWidhtForClientInfo;
        $addressIsMoreThanTwoLines = ($addressWidth / $availableWidhtForClientInfo) > 2;


        $clientInfoYAxis = $addressIsMoreThanTwoLines ? 35 : 40;
        $this->SetXY($clientInfoXAxis, $clientInfoYAxis);
        $this->Cell(0, $this->interLigneHeader, FileExportHelpers::FormatTextForExport($clientName));
        $clientInfoYAxis += $this->interLigneHeader;
        $gapBetweenAddressLines = 0;
        if ($this->factureData['group_type'] == 'single') {
            $isMultiline = false;
            $this->SetXY($clientInfoXAxis, $clientInfoYAxis);
            if ($addressWidthGreaterThanMaxWidth) {
                $yBefore = $this->GetY();
                $this->MultiCell($availableWidhtForClientInfo, $this->interLigneHeader, $address, 0, 'L');
                $yAfter = $this->GetY();
                $gapBetweenAddressLines = $yAfter - $yBefore;
                $isMultiline = ($gapBetweenAddressLines) > $this->interLigneHeader;
                if ($isMultiline) {
                    $this->SetXY($this->GetX(), $yBefore);
                }
            } else {
                $this->Cell($availableWidhtForClientInfo, $this->interLigneHeader, $address);
            }
            if ($isMultiline) {
                if ($gapBetweenAddressLines > 0) {
                    $modulo = (int) round($gapBetweenAddressLines / $this->interLigneHeader);
                    $clientInfoYAxis += $modulo * $this->interLigneHeader;
                }
            } else {
                $clientInfoYAxis += $this->interLigneHeader;
            }

        } else {
            $clientAddresses = explode(",", $clientAddress);
            foreach ($clientAddresses as $address) {
                $address = FileExportHelpers::FormatTextForExport(trim($address));
                $addressWidth = $this->GetStringWidth($address);
                $addressWidthGreaterThanMaxWidth = $addressWidth > $availableWidhtForClientInfo;
                $isMultiline = false;
                $this->SetXY($clientInfoXAxis, $clientInfoYAxis);
                if ($addressWidthGreaterThanMaxWidth) {
                    $yBefore = $this->GetY();
                    $this->MultiCell($availableWidhtForClientInfo, $this->interLigneHeader, $address, 0, 'L');
                    $yAfter = $this->GetY();
                    $isMultiline = ($yAfter - $yBefore) > $this->interLigneHeader;
                    if ($isMultiline) {
                        $this->SetXY($this->GetX(), $yBefore);
                    }
                } else {
                    $this->Cell($availableWidhtForClientInfo, $this->interLigneHeader, $address);
                }
                if ($isMultiline) {
                    $clientInfoYAxis += $this->interLigneHeader;
                }
                $clientInfoYAxis += $this->interLigneHeader;
            }
        }
        $this->SetXY($clientInfoXAxis, $clientInfoYAxis);
        $this->Cell(0, $this->interLigneHeader, trim(FileExportHelpers::FormatTextForExport($this->factureData['client_adress_city'])));
        if ($this->factureData['siret']) {
            $clientInfoYAxis += $this->interLigneHeader;
            $this->SetXY($clientInfoXAxis, $clientInfoYAxis);
            $this->Cell(0, $this->interLigneHeader, 'Siret: ' . $this->factureData['siret']);
        }
    }


    public function DrawInvoiceInfoTable()
    {
        $startInvoiceInfoTable = 70;
        $this->setY($startInvoiceInfoTable);

        $factureDatePaiement = $this->factureData['date_paiement'];
        $factureDatePaiement = DateTime::createFromFormat('Y-m-d', $factureDatePaiement);
        $factureDateEcheance = $factureDatePaiement;
        $factureDatePaiement = $factureDatePaiement->format('d-m-Y');
        $factureDateEcheance->modify('last day of next month');
        $factureDateEcheance = $factureDateEcheance->format('d-m-Y');

        $this->SetFont('ComicSans', '', 10);
        $this->Cell(25, 7, 'DATE', 1, 0, 'C');
        $this->Cell(104, 7, 'CLIENT', 1, 0, 'C');
        $this->Cell(39, 7, 'FACTURE', 1, 0, 'C');
        $this->Cell(36, 7, 'ECHEANCE', 1, 1, 'C');

        $this->SetFont('ComicSans', '', 10);
        $this->Cell(25, 7, $factureDatePaiement, 1, 0, 'C');
        $this->Cell(104, 7, utf8_decode(html_entity_decode($this->factureData['group_name'])), 1, 0, 'C');
        $this->Cell(39, 7, $this->factureData['num'], 1, 0, 'C');
        $this->Cell(36, 7, $factureDateEcheance, 1, 1, 'C');

        $this->startingYOfArticlesTable = $startInvoiceInfoTable + 20;
    }

    public function DrawArticlesTableRect()
    {

        $this->SetLineWidth(0.2);
        $gapBetweenStartingOfArticlesTableAndColumnName = 7;
        $additionnalheight = 0.75;
        $tableHeight = $this->thereIsOrderOrCaseNumber ? (137 + $additionnalheight) : (137 + 6 + $additionnalheight);
        $this->Rect(3, $this->startingYOfArticlesTable, 204, $tableHeight, "D");
        // $this->RoundedRect(3, $this->startingYOfArticlesTable, 204, $tableHeight,5  ,'1234',"D");
        // cadre titre des colonnes
        $this->Line(3, $this->startingYOfArticlesTable + $gapBetweenStartingOfArticlesTableAndColumnName, 207, $this->startingYOfArticlesTable + $gapBetweenStartingOfArticlesTableAndColumnName);
        // les traits verticaux colonnes
        $additionalMargRight = 1;
        $endingLine = 233 + $additionnalheight;
        $this->Line(27 + $additionalMargRight, $this->startingYOfArticlesTable, 27 + $additionalMargRight, $endingLine);
        $this->Line(142 + $additionalMargRight, $this->startingYOfArticlesTable, 142 + $additionalMargRight, $endingLine);
        $this->Line(164 + $additionalMargRight, $this->startingYOfArticlesTable, 164 + $additionalMargRight, $endingLine);
        $this->Line(182 + $additionalMargRight, $this->startingYOfArticlesTable, 182 + $additionalMargRight, $endingLine);
    }

    public function DrawArticlesTableHeader()
    {
        $additionalMargRight = 1;
        $tvaValue = $this->factureData["configuration"]->tva_default;
        $columnNameY = $this->startingYOfArticlesTable - 1.5;
        $this->SetFont('ComicSans', '', 10);
        $this->SetXY(12 + $additionalMargRight, $columnNameY);
        $this->Cell(7, 10, "Date", 0, 0, 'C');

        $this->SetXY(30 + $additionalMargRight, $columnNameY);
        $this->Cell(100, 10, "Description", 0, 0, 'C');

        $this->SetXY(143 + $additionalMargRight, $columnNameY);
        $this->Cell(20, 10, "Prix Uni. HT", 0, 0, 'C');

        $this->SetXY(163 + $additionalMargRight, $columnNameY);
        $this->Cell(20, 10, 'TVA ' . $tvaValue . '%', 0, 0, 'C');

        $this->SetXY(185, $columnNameY);
        $this->Cell(20, 10, "Prix Uni. TTC", 0, 0, 'C');
    }

    public function DrawArticlesTableValue()
    {
        // Set espacement avant de continue 

        $this->SetFont('ComicSans', '', 10);
        $devisData = $this->factureData['devis'];
        $tvaValue = $this->factureData["configuration"]->tva_default;
        $totalHt = 0;
        $totalTtc = 0;
        $totalTva = 0;
        $yValue = $this->startingYOfArticlesTable + 13;
        // $maxDescriptionWidth = 102;
         $maxDescriptionWidth = 104.3;
        $currentIndexPosition = $this->currentIndexPosition;
        for ($currentIndexPosition; $currentIndexPosition < ($this->initialIndexPosition + $this->devisCountToGet); $currentIndexPosition++) {
            $currentDevis = $devisData[$currentIndexPosition];
            $devisDate = $currentDevis['devis_date'];
            $devisDate = DateTime::createFromFormat('Y-m-d', $devisDate);
            $devisDate = $devisDate->format('d-m-Y');
            $products = $currentDevis["products"];
            $productIncrement = 0;
            foreach ($products as $product) {

                $valueHt = $product['produit_price'] * $product["quantite"];
                $valueTtc = PriceHelpers::calculPriceWithVatValue($valueHt, $tvaValue);
                $totalHt += $valueHt;
                $totalTtc += $valueTtc;
                $productDescription = $product["produit_description"] ?? "";
                $dateValue = "";
                if ($productIncrement == 0) {
                    $dateValue = $devisDate;
                    $productDescription .= " de " . $currentDevis["defunt_nom"] ?? "";
                }
                $tvaAmount = $valueTtc - $valueHt;
                $this->SetXY(4, $yValue);
                $this->Cell(5, 6, $dateValue, 0, 0);

                $this->SetXY(30, $yValue);
                $productDescription = FileExportHelpers::FormatTextForExport($productDescription);
                $productDescriptionWidth = $this->GetStringWidth($productDescription);
                $productDescriptionWidthIsGreaterThanMaxWidth = $productDescriptionWidth > $maxDescriptionWidth;
                $productDescriptionIsMultiline = false;
                if ($productDescriptionWidthIsGreaterThanMaxWidth) {
                    $yBefore = $this->GetY();
                    $this->MultiCell($maxDescriptionWidth, 6, $productDescription, 0, 'L');
                    $yAfter = $this->GetY();
                    $productDescriptionIsMultiline = ($yAfter - $yBefore) > 6;
                    if ($productDescriptionIsMultiline) {
                        $this->SetXY($this->GetX(), $yBefore);
                    }
                } else {
                    $this->Cell($maxDescriptionWidth, 6, $productDescription);
                }


                $this->SetXY(144, $yValue);
                $this->Cell(20, 6, number_format($valueHt, 2, '.', '') . chr(128), 0, 0, 'C');

                $this->SetXY(165, $yValue);
                $this->Cell(20, 6, number_format($tvaAmount, 2, '.', '') . chr(128), 0, 0, 'C');

                $this->SetXY(182, $yValue);
                $this->Cell(25, 6, number_format($valueTtc, 2, '.', '') . chr(128), 0, 1, 'C');
                $yValue += 6;
                $totalTva += $tvaAmount;
                if ($productDescriptionWidthIsGreaterThanMaxWidth) {
                    $yValue += 6;
                }
                $productIncrement++;
            }
        }
        $this->currentIndexPosition = $currentIndexPosition;
        $this->initialIndexPosition = $this->currentIndexPosition;
        $chargedDevisCount = $this->currentIndexPosition + 1;
        $devisLeftToGet = $this->devisCount - $chargedDevisCount;
        $this->devisCountToGet = ($devisLeftToGet < $this->maxArticlePerPage) ? $devisLeftToGet + 1 : $this->maxArticlePerPage;

    }

    public function DrawBankAndTotalPriceInfo()
    {
        $startOfYAfterMainTable = 239;
        $this->SetY($startOfYAfterMainTable);
        $this->SetFont('ComicSans', '', 8);
        $this->MultiCell(0, 4, utf8_decode(html_entity_decode("Paiement à votre convenance par chèque à l'ordre de " . $this->factureData['configuration']->entreprise)));
        $this->MultiCell(0, 4, utf8_decode(html_entity_decode("en indiquant le numéro de facture, ou par virement :")));

        $this->Ln(1);
        //Table IBAN
        $startOftable = 3;
        $this->SetX($startOftable);
        $this->SetFont('ComicSans', '', 8);
        $ibanWidth = 62;
        $this->Cell($ibanWidth, 6.5, 'IBAN : FR76 1080 7004 4952 4211 5185 411', 1, 1, 'C');
        $ibanCursorX = $this->GetX();
        $this->SetX($startOftable);

        $this->Cell($ibanWidth, 6.5, 'Code SWIFT : AGRI FR PP 836', 1, 1, 'C');

        //TABLE HT
        $tableWidth = 48; // Largeur totale de la 2e table (20+20)
        $marginRight = 3; // Marge par rapport au bord droit
        $pageWidth = 210; // Largeur d'une page A4 en mm (portrait)
        // Position correcte de la 2e table
        $startOfArrayX = $pageWidth - $tableWidth - $marginRight;
        $startOfArrayY = $startOfYAfterMainTable + 0.5;

        $this->SetFont('ComicSans', '', 10);
        $totalPriceArray = $this->totalPrices;
        foreach ($totalPriceArray as $label => $price) {
            $this->SetXY($startOfArrayX, $startOfArrayY);
            $this->Cell(24, 6.5, $label, 1, 1, 'C');
            $this->SetXY($startOfArrayX + 24, $startOfArrayY);
            $this->Cell(24, 6.5, number_format($price, 2, '.', '') . chr(128), 1, 1, 'C');
            $startOfArrayY += 6.5;
        }
    }

    public function SetFactureContent()
    {
        $this->AddPage();
        $this->SetMargins(2, 0, 3);
        $this->DrawArticlesTable();
        $this->DrawBankAndTotalPriceInfo();
    }

    function MultiAlignCell($w, $h, $text, $border = 0, $ln = 0, $align = 'L', $fill = false)
    {
        // Store reset values for (x,y) positions
        $x = $this->GetX() + $w;
        $y = $this->GetY();

        // Make a call to FPDF's MultiCell
        $this->MultiCell($w, $h, $text, $border, $align, $fill);

        // Reset the line position to the right, like in Cell
        if ($ln == 0) {
            $this->SetXY($x, $y);
        }
    }

    function NbLines($w, $txt)
    {
        // Compute the number of lines a MultiCell of width w will take
        if (!isset($this->CurrentFont))
            $this->Error('No font has been set');
        $cw = $this->CurrentFont['cw'];
        if ($w == 0)
            $w = $this->w - $this->rMargin - $this->x;
        $wmax = ($w - 2 * $this->cMargin) * 1000 / $this->FontSize;
        $s = str_replace("\r", '', (string) $txt);
        $nb = strlen($s);
        if ($nb > 0 && $s[$nb - 1] == "\n")
            $nb--;
        $sep = -1;
        $i = 0;
        $j = 0;
        $l = 0;
        $nl = 1;
        while ($i < $nb) {
            $c = $s[$i];
            if ($c == "\n") {
                $i++;
                $sep = -1;
                $j = $i;
                $l = 0;
                $nl++;
                continue;
            }
            if ($c == ' ')
                $sep = $i;
            $l += $cw[$c];
            if ($l > $wmax) {
                if ($sep == -1) {
                    if ($i == $j)
                        $i++;
                } else
                    $i = $sep + 1;
                $sep = -1;
                $j = $i;
                $l = 0;
                $nl++;
            } else
                $i++;
        }
        return $nl;
    }


    private 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);
    }

    private function _Arc($x1, $y1, $x2, $y2, $x3, $y3)
    {
        $h = $this->h;
        $this->_out(sprintf(
            '%.2F %.2F %.2F %.2F %.2F %.2F c ',
            $x1 * $this->k,
            ($h - $y1) * $this->k,
            $x2 * $this->k,
            ($h - $y2) * $this->k,
            $x3 * $this->k,
            ($h - $y3) * $this->k
        ));
    }
}