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<?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 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'); } // @todo Check how to add label height later $fpdf = new \FPDF('P', $unit, [$matrix->getOuterSize(), $matrix->getOuterSize() + $labelSpace]); $fpdf->AddPage(); $fpdf->SetFillColor($backgroundColor->getRed(), $backgroundColor->getGreen(), $backgroundColor->getBlue()); $fpdf->Rect(0, 0, $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( $matrix->getMarginLeft() + ($columnIndex * $matrix->getBlockSize()), $matrix->getMarginLeft() + ($rowIndex * $matrix->getBlockSize()), $matrix->getBlockSize(), $matrix->getBlockSize(), 'F' ); } } } if ($label instanceof LabelInterface) { $fpdf->setY($fpdf->GetPageHeight() - 25); $fpdf->SetFont('Helvetica', null, $label->getFont()->getSize()); $fpdf->Cell(0, 0, $label->getText(), 0, 0, 'C'); } return new PdfResult($fpdf); } // public function writeLogo(LogoInterface $logo, ResultInterface $result, array $options = []): ResultInterface // { // $logoPath = $qrCode->getLogoPath(); // if (null !== $logoPath) { // $this->addLogo( // $fpdf, // $logoPath, // $qrCode->getLogoWidth(), // $qrCode->getLogoHeight(), // $data['outer_width'], // $data['outer_height'] // ); // } // // if (null === $logoHeight \|\| null === $logoWidth) { // [$logoSourceWidth, $logoSourceHeight] = \getimagesize($logoPath); // // if (null === $logoWidth) { // $logoWidth = (int) $logoSourceWidth; // } // // if (null === $logoHeight) { // $aspectRatio = $logoWidth / $logoSourceWidth; // $logoHeight = (int) ($logoSourceHeight * $aspectRatio); // } // } // // $logoX = $imageWidth / 2 - (int) $logoWidth / 2; // $logoY = $imageHeight / 2 - (int) $logoHeight / 2; // // $fpdf->Image($logoPath, $logoX, $logoY, $logoWidth, $logoHeight); // } }

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