/home/kueuepay/public_html/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Writer/Pdf/Tcpdf.php
<?php

namespace PhpOffice\PhpSpreadsheet\Writer\Pdf;

use PhpOffice\PhpSpreadsheet\Spreadsheet;
use PhpOffice\PhpSpreadsheet\Worksheet\PageSetup;
use PhpOffice\PhpSpreadsheet\Writer\Pdf;

class Tcpdf extends Pdf
{
    /**
     * Create a new PDF Writer instance.
     *
     * @param Spreadsheet $spreadsheet Spreadsheet object
     */
    public function __construct(Spreadsheet $spreadsheet)
    {
        parent::__construct($spreadsheet);
        $this->setUseInlineCss(true);
    }

    /**
     * Gets the implementation of external PDF library that should be used.
     *
     * @param string $orientation Page orientation
     * @param string $unit Unit measure
     * @param array|string $paperSize Paper size
     *
     * @return \TCPDF implementation
     */
    protected function createExternalWriterInstance($orientation, $unit, $paperSize)
    {
        return new \TCPDF($orientation, $unit, $paperSize);
    }

    /**
     * Save Spreadsheet to file.
     *
     * @param string $filename Name of the file to save as
     */
    public function save($filename, int $flags = 0): void
    {
        $fileHandle = parent::prepareForSave($filename);

        //  Default PDF paper size
        $paperSize = 'LETTER'; //    Letter    (8.5 in. by 11 in.)

        //  Check for paper size and page orientation
        $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();
        $printMargins = $this->spreadsheet->getSheet($this->getSheetIndex() ?? 0)->getPageMargins();

        //  Create PDF
        $pdf = $this->createExternalWriterInstance($orientation, 'pt', $paperSize);
        $pdf->setFontSubsetting(false);
        //    Set margins, converting inches to points (using 72 dpi)
        $pdf->SetMargins($printMargins->getLeft() * 72, $printMargins->getTop() * 72, $printMargins->getRight() * 72);
        $pdf->SetAutoPageBreak(true, $printMargins->getBottom() * 72);

        $pdf->setPrintHeader(false);
        $pdf->setPrintFooter(false);

        $pdf->AddPage();

        //  Set the appropriate font
        $pdf->SetFont($this->getFont());
        $pdf->writeHTML($this->generateHTMLAll());

        //  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());

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

        parent::restoreStateAfterSave();
    }
}
Best Practice

Best Practices

To ensure a smooth integration process and optimal performance, follow these best practices:

  1. Use secure HTTPS connections for all API requests.
  2. Implement robust error handling to handle potential issues gracefully.
  3. Regularly update your integration to stay current with any API changes or enhancements.