recreate project

vendor/endroid/qr-code/src/Writer/PdfWriter.php

@@ -0,0 +1,139 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Endroid\QrCode\Writer;
+
+use Endroid\QrCode\Bacon\MatrixFactory;
+use Endroid\QrCode\Label\LabelInterface;
+use Endroid\QrCode\Logo\LogoInterface;
+use Endroid\QrCode\QrCodeInterface;
+use Endroid\QrCode\Writer\Result\PdfResult;
+use Endroid\QrCode\Writer\Result\ResultInterface;
+
+final class PdfWriter implements WriterInterface
+{
+    public const WRITER_OPTION_UNIT = 'unit';
+    public const WRITER_OPTION_PDF = 'fpdf';
+    public const WRITER_OPTION_X = 'x';
+    public const WRITER_OPTION_Y = 'y';
+    public const WRITER_OPTION_LINK = 'link';
+
+    public function write(QrCodeInterface $qrCode, LogoInterface $logo = null, LabelInterface $label = null, array $options = []): ResultInterface
+    {
+        $matrixFactory = new MatrixFactory();
+        $matrix = $matrixFactory->create($qrCode);
+
+        $unit = 'mm';
+        if (isset($options[self::WRITER_OPTION_UNIT])) {
+            $unit = $options[self::WRITER_OPTION_UNIT];
+        }
+
+        $allowedUnits = ['mm', 'pt', 'cm', 'in'];
+        if (!in_array($unit, $allowedUnits)) {
+            throw new \Exception(sprintf('PDF Measure unit should be one of [%s]', implode(', ', $allowedUnits)));
+        }
+
+        $labelSpace = 0;
+        if ($label instanceof LabelInterface) {
+            $labelSpace = 30;
+        }
+
+        if (!class_exists(\FPDF::class)) {
+            throw new \Exception('Unable to find FPDF: check your installation');
+        }
+
+        $foregroundColor = $qrCode->getForegroundColor();
+        if ($foregroundColor->getAlpha() > 0) {
+            throw new \Exception('PDF Writer does not support alpha channels');
+        }
+        $backgroundColor = $qrCode->getBackgroundColor();
+        if ($backgroundColor->getAlpha() > 0) {
+            throw new \Exception('PDF Writer does not support alpha channels');
+        }
+
+        if (isset($options[self::WRITER_OPTION_PDF])) {
+            $fpdf = $options[self::WRITER_OPTION_PDF];
+            if (!$fpdf instanceof \FPDF) {
+                throw new \Exception('pdf option must be an instance of FPDF');
+            }
+        } else {
+            // @todo Check how to add label height later
+            $fpdf = new \FPDF('P', $unit, [$matrix->getOuterSize(), $matrix->getOuterSize() + $labelSpace]);
+            $fpdf->AddPage();
+        }
+
+        $x = 0;
+        if (isset($options[self::WRITER_OPTION_X])) {
+            $x = $options[self::WRITER_OPTION_X];
+        }
+        $y = 0;
+        if (isset($options[self::WRITER_OPTION_Y])) {
+            $y = $options[self::WRITER_OPTION_Y];
+        }
+
+        $fpdf->SetFillColor($backgroundColor->getRed(), $backgroundColor->getGreen(), $backgroundColor->getBlue());
+        $fpdf->Rect($x, $y, $matrix->getOuterSize(), $matrix->getOuterSize(), 'F');
+        $fpdf->SetFillColor($foregroundColor->getRed(), $foregroundColor->getGreen(), $foregroundColor->getBlue());
+
+        for ($rowIndex = 0; $rowIndex < $matrix->getBlockCount(); ++$rowIndex) {
+            for ($columnIndex = 0; $columnIndex < $matrix->getBlockCount(); ++$columnIndex) {
+                if (1 === $matrix->getBlockValue($rowIndex, $columnIndex)) {
+                    $fpdf->Rect(
+                        $x + $matrix->getMarginLeft() + ($columnIndex * $matrix->getBlockSize()),
+                        $y + $matrix->getMarginLeft() + ($rowIndex * $matrix->getBlockSize()),
+                        $matrix->getBlockSize(),
+                        $matrix->getBlockSize(),
+                        'F'
+                    );
+                }
+            }
+        }
+
+        if ($logo instanceof LogoInterface) {
+            $this->addLogo($logo, $fpdf, $x, $y, $matrix->getOuterSize());
+        }
+
+        if ($label instanceof LabelInterface) {
+            $fpdf->SetXY($x, $y + $matrix->getOuterSize() + $labelSpace - 25);
+            $fpdf->SetFont('Helvetica', '', $label->getFont()->getSize());
+            $fpdf->Cell($matrix->getOuterSize(), 0, $label->getText(), 0, 0, 'C');
+        }
+
+        if (isset($options[self::WRITER_OPTION_LINK])) {
+            $link = $options[self::WRITER_OPTION_LINK];
+            $fpdf->Link($x, $y, $x + $matrix->getOuterSize(), $y + $matrix->getOuterSize(), $link);
+        }
+
+        return new PdfResult($matrix, $fpdf);
+    }
+
+    private function addLogo(LogoInterface $logo, \FPDF $fpdf, float $x, float $y, float $size): void
+    {
+        $logoPath = $logo->getPath();
+        $logoHeight = $logo->getResizeToHeight();
+        $logoWidth = $logo->getResizeToWidth();
+
+        if (null === $logoHeight || null === $logoWidth) {
+            $imageSize = \getimagesize($logoPath);
+            if (!$imageSize) {
+                throw new \Exception(sprintf('Unable to read image size for logo "%s"', $logoPath));
+            }
+            [$logoSourceWidth, $logoSourceHeight] = $imageSize;
+
+            if (null === $logoWidth) {
+                $logoWidth = (int) $logoSourceWidth;
+            }
+
+            if (null === $logoHeight) {
+                $aspectRatio = $logoWidth / $logoSourceWidth;
+                $logoHeight = (int) ($logoSourceHeight * $aspectRatio);
+            }
+        }
+
+        $logoX = $x + $size / 2 - $logoWidth / 2;
+        $logoY = $y + $size / 2 - $logoHeight / 2;
+
+        $fpdf->Image($logoPath, $logoX, $logoY, $logoWidth, $logoHeight);
+    }
+}