Add new fields to items: id_code, image, location; implement QR code generation and printing; update translations and UI

vendor/chillerlan/php-qrcode/src/Output/QRFpdf.php

@@ -0,0 +1,113 @@
+<?php
+/**
+ * Class QRFpdf
+ *
+ * https://github.com/chillerlan/php-qrcode/pull/49
+ *
+ * @filesource   QRFpdf.php
+ * @created      03.06.2020
+ * @package      chillerlan\QRCode\Output
+ * @author       Maximilian Kresse
+ *
+ * @license      MIT
+ */
+
+namespace chillerlan\QRCode\Output;
+
+use chillerlan\QRCode\Data\QRMatrix;
+use chillerlan\QRCode\QRCodeException;
+use chillerlan\Settings\SettingsContainerInterface;
+use FPDF;
+
+use function array_values, class_exists, count, is_array;
+
+/**
+ * QRFpdf output module (requires fpdf)
+ *
+ * @see https://github.com/Setasign/FPDF
+ * @see http://www.fpdf.org/
+ */
+class QRFpdf extends QROutputAbstract{
+
+	public function __construct(SettingsContainerInterface $options, QRMatrix $matrix){
+
+		if(!class_exists(FPDF::class)){
+			// @codeCoverageIgnoreStart
+			throw new QRCodeException(
+				'The QRFpdf output requires FPDF as dependency but the class "\FPDF" couldn\'t be found.'
+			);
+			// @codeCoverageIgnoreEnd
+		}
+
+		parent::__construct($options, $matrix);
+	}
+
+	/**
+	 * @inheritDoc
+	 */
+	protected function setModuleValues():void{
+
+		foreach($this::DEFAULT_MODULE_VALUES as $M_TYPE => $defaultValue){
+			$v = $this->options->moduleValues[$M_TYPE] ?? null;
+
+			if(!is_array($v) || count($v) < 3){
+				$this->moduleValues[$M_TYPE] = $defaultValue
+					? [0, 0, 0]
+					: [255, 255, 255];
+			}
+			else{
+				$this->moduleValues[$M_TYPE] = array_values($v);
+			}
+
+		}
+
+	}
+
+	/**
+	 * @inheritDoc
+	 *
+	 * @return string|\FPDF
+	 */
+	public function dump(?string $file = null){
+		$file ??= $this->options->cachefile;
+
+		$fpdf = new FPDF('P', $this->options->fpdfMeasureUnit, [$this->length, $this->length]);
+		$fpdf->AddPage();
+
+		$prevColor = null;
+
+		foreach($this->matrix->matrix() as $y => $row){
+
+			foreach($row as $x => $M_TYPE){
+				/** @var int $M_TYPE */
+				$color = $this->moduleValues[$M_TYPE];
+
+				if($prevColor === null || $prevColor !== $color){
+					/** @phan-suppress-next-line PhanParamTooFewUnpack */
+					$fpdf->SetFillColor(...$color);
+					$prevColor = $color;
+				}
+
+				$fpdf->Rect($x * $this->scale, $y * $this->scale, 1 * $this->scale, 1 * $this->scale, 'F');
+			}
+
+		}
+
+		if($this->options->returnResource){
+			return $fpdf;
+		}
+
+		$pdfData = $fpdf->Output('S');
+
+		if($file !== null){
+			$this->saveToFile($pdfData, $file);
+		}
+
+		if($this->options->imageBase64){
+			$pdfData = sprintf('data:application/pdf;base64,%s', base64_encode($pdfData));
+		}
+
+		return $pdfData;
+	}
+
+}