<?php

namespace PhpOffice\PhpSpreadsheet\Writer\Pdf;


< use PhpOffice\PhpSpreadsheet\Exception as PhpSpreadsheetException;


use PhpOffice\PhpSpreadsheet\Worksheet\PageSetup;

> use PhpOffice\PhpSpreadsheet\Writer\Html;


use PhpOffice\PhpSpreadsheet\Writer\Pdf;

class Mpdf extends Pdf
{

>     /** @var bool */
    /**
>     protected $isMPdf = true;
     * Gets the implementation of external PDF library that should be used.
> 


     *
     * @param array $config Configuration array
     *
     * @return \Mpdf\Mpdf implementation
     */
    protected function createExternalWriterInstance($config)
    {
        return new \Mpdf\Mpdf($config);
    }

    /**
     * Save Spreadsheet to file.
     *

<      * @param string $pFilename Name of the file to save as
<      *
<      * @throws \PhpOffice\PhpSpreadsheet\Writer\Exception
<      * @throws PhpSpreadsheetException



>      * @param string $filename Name of the file to save as


     */

<     public function save($pFilename)



>     public function save($filename, int $flags = 0): void


    {

<         $fileHandle = parent::prepareForSave($pFilename);
< 
<         //  Default PDF paper size
<         $paperSize = 'LETTER'; //    Letter    (8.5 in. by 11 in.)



>         $fileHandle = parent::prepareForSave($filename);



        //  Check for paper size and page orientation

<         if (null === $this->getSheetIndex()) {
<             $orientation = ($this->spreadsheet->getSheet(0)->getPageSetup()->getOrientation()
<                 == PageSetup::ORIENTATION_LANDSCAPE) ? 'L' : 'P';
<             $printPaperSize = $this->spreadsheet->getSheet(0)->getPageSetup()->getPaperSize();
<         } else {
<             $orientation = ($this->spreadsheet->getSheet($this->getSheetIndex())->getPageSetup()->getOrientation()
<                 == PageSetup::ORIENTATION_LANDSCAPE) ? 'L' : 'P';
<             $printPaperSize = $this->spreadsheet->getSheet($this->getSheetIndex())->getPageSetup()->getPaperSize();
<         }
<         $this->setOrientation($orientation);
< 
<         //  Override Page Orientation
<         if (null !== $this->getOrientation()) {
<             $orientation = ($this->getOrientation() == PageSetup::ORIENTATION_DEFAULT)
<                 ? PageSetup::ORIENTATION_PORTRAIT
<                 : $this->getOrientation();
<         }
<         $orientation = strtoupper($orientation);
< 
<         //  Override Paper Size
<         if (null !== $this->getPaperSize()) {
<             $printPaperSize = $this->getPaperSize();
<         }
< 
<         if (isset(self::$paperSizes[$printPaperSize])) {
<             $paperSize = self::$paperSizes[$printPaperSize];
<         }



>         $setup = $this->spreadsheet->getSheet($this->getSheetIndex() ?? 0)->getPageSetup();
>         $orientation = $this->getOrientation() ?? $setup->getOrientation();
>         $orientation = ($orientation === PageSetup::ORIENTATION_LANDSCAPE) ? 'L' : 'P';
>         $printPaperSize = $this->getPaperSize() ?? $setup->getPaperSize();
>         $paperSize = self::$paperSizes[$printPaperSize] ?? PageSetup::getPaperSizeDefault();



        //  Create PDF

<         $config = ['tempDir' => $this->tempDir];



>         $config = ['tempDir' => $this->tempDir . '/mpdf'];


        $pdf = $this->createExternalWriterInstance($config);
        $ortmp = $orientation;

<         $pdf->_setPageSize(strtoupper($paperSize), $ortmp);



>         $pdf->_setPageSize($paperSize, $ortmp);


        $pdf->DefOrientation = $orientation;
        $pdf->AddPageByArray([
            'orientation' => $orientation,
            'margin-left' => $this->inchesToMm($this->spreadsheet->getActiveSheet()->getPageMargins()->getLeft()),
            'margin-right' => $this->inchesToMm($this->spreadsheet->getActiveSheet()->getPageMargins()->getRight()),
            'margin-top' => $this->inchesToMm($this->spreadsheet->getActiveSheet()->getPageMargins()->getTop()),
            'margin-bottom' => $this->inchesToMm($this->spreadsheet->getActiveSheet()->getPageMargins()->getBottom()),
        ]);

        //  Document info
        $pdf->SetTitle($this->spreadsheet->getProperties()->getTitle());
        $pdf->SetAuthor($this->spreadsheet->getProperties()->getCreator());
        $pdf->SetSubject($this->spreadsheet->getProperties()->getSubject());
        $pdf->SetKeywords($this->spreadsheet->getProperties()->getKeywords());
        $pdf->SetCreator($this->spreadsheet->getProperties()->getCreator());


<         $pdf->WriteHTML($this->generateHTMLHeader(false));
<         $html = $this->generateSheetData();



>         $html = $this->generateHTMLAll();
>         $bodyLocation = strpos($html, Html::BODY_LINE);
>         // Make sure first data presented to Mpdf includes body tag
>         //   so that Mpdf doesn't parse it as content. Issue 2432.
>         if ($bodyLocation !== false) {
>             $bodyLocation += strlen(Html::BODY_LINE);
>             $pdf->WriteHTML(substr($html, 0, $bodyLocation));
>             $html = substr($html, $bodyLocation);
>         }


        foreach (\array_chunk(\explode(PHP_EOL, $html), 1000) as $lines) {
            $pdf->WriteHTML(\implode(PHP_EOL, $lines));
        }

<         $pdf->WriteHTML($this->generateHTMLFooter());



        //  Write to file
        fwrite($fileHandle, $pdf->Output('', 'S'));


<         parent::restoreStateAfterSave($fileHandle);



>         parent::restoreStateAfterSave();


    }

    /**
     * Convert inches to mm.
     *
     * @param float $inches
     *
     * @return float
     */
    private function inchesToMm($inches)
    {
        return $inches * 25.4;
    }
}