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lib/PhpSpreadsheet/Writer/Pdf/Dompdf.php

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+<?php
+
+namespace PhpOffice\PhpSpreadsheet\Writer\Pdf;
+
+use PhpOffice\PhpSpreadsheet\Worksheet\PageSetup;
+use PhpOffice\PhpSpreadsheet\Writer\Pdf;
+
+class Dompdf extends Pdf
+{
+    /**
+     * embed images, or link to images.
+     */
+    protected bool $embedImages = true;
+
+    /**
+     * Gets the implementation of external PDF library that should be used.
+     *
+     * @return \Dompdf\Dompdf implementation
+     */
+    protected function createExternalWriterInstance(): \Dompdf\Dompdf
+    {
+        return new \Dompdf\Dompdf();
+    }
+
+    /**
+     * 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);
+
+        //  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[$printPaperSize] ?? PageSetup::getPaperSizeDefault();
+        if (is_array($paperSize) && count($paperSize) === 2) {
+            $paperSize = [0.0, 0.0, $paperSize[0], $paperSize[1]];
+        }
+
+        $orientation = ($orientation == 'L') ? 'landscape' : 'portrait';
+
+        //  Create PDF
+        $pdf = $this->createExternalWriterInstance();
+        $pdf->setPaper($paperSize, $orientation);
+
+        $pdf->loadHtml($this->generateHTMLAll());
+        $pdf->render();
+
+        //  Write to file
+        fwrite($fileHandle, $pdf->output() ?? '');
+
+        parent::restoreStateAfterSave();
+    }
+}