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<?php |
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/** |
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* Class QRFpdf |
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* |
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* https://github.com/chillerlan/php-qrcode/pull/49 |
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* |
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* @filesource QRFpdf.php |
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* @created 03.06.2020 |
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* @package chillerlan\QRCode\Output |
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* @author Maximilian Kresse |
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* |
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* @license MIT |
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*/ |
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namespace chillerlan\QRCode\Output; |
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use chillerlan\QRCode\Data\QRMatrix; |
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use chillerlan\QRCode\QRCodeException; |
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use chillerlan\Settings\SettingsContainerInterface; |
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use FPDF; |
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use function array_values, class_exists, count, is_array; |
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/** |
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* QRFpdf output module (requires fpdf) |
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* |
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* @see https://github.com/Setasign/FPDF |
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* @see http://www.fpdf.org/ |
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*/ |
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class QRFpdf extends QROutputAbstract{ |
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public function __construct(SettingsContainerInterface $options, QRMatrix $matrix){ |
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if(!class_exists(FPDF::class)){ |
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// @codeCoverageIgnoreStart |
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throw new QRCodeException( |
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'The QRFpdf output requires FPDF as dependency but the class "\FPDF" couldn\'t be found.' |
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); |
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// @codeCoverageIgnoreEnd |
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} |
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parent::__construct($options, $matrix); |
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} |
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/** |
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* @inheritDoc |
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*/ |
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protected function setModuleValues():void{ |
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foreach($this::DEFAULT_MODULE_VALUES as $M_TYPE => $defaultValue){ |
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$v = $this->options->moduleValues[$M_TYPE] ?? null; |
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if(!is_array($v) || count($v) < 3){ |
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$this->moduleValues[$M_TYPE] = $defaultValue |
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? [0, 0, 0] |
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: [255, 255, 255]; |
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} |
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else{ |
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$this->moduleValues[$M_TYPE] = array_values($v); |
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} |
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} |
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} |
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/** |
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* @inheritDoc |
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*/ |
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public function dump(string $file = null):string{ |
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$file = $file ?? $this->options->cachefile; |
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$fpdf = new FPDF('P', $this->options->fpdfMeasureUnit, [$this->length, $this->length]); |
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$fpdf->AddPage(); |
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$prevColor = null; |
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foreach($this->matrix->matrix() as $y => $row){ |
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foreach($row as $x => $M_TYPE){ |
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/** @var int $M_TYPE */ |
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$color = $this->moduleValues[$M_TYPE]; |
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if($prevColor === null || $prevColor !== $color){ |
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$fpdf->SetFillColor(...$color); |
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$prevColor = $color; |
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} |
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$fpdf->Rect($x * $this->scale, $y * $this->scale, 1 * $this->scale, 1 * $this->scale, 'F'); |
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} |
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} |
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$pdfData = $fpdf->Output('S'); |
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if($file !== null){ |
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$this->saveToFile($pdfData, $file); |
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} |
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return $pdfData; |
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} |
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} |
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It seems like the type of the argument is not accepted by the function/method which you are calling.
In some cases, in particular if PHP’s automatic type-juggling kicks in this might be fine. In other cases, however this might be a bug.
We suggest to add an explicit type cast like in the following example: