mirror of
https://github.com/chillerlan/php-qrcode.git
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154 lines
3.1 KiB
PHP
154 lines
3.1 KiB
PHP
<?php
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/**
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* Class QRFpdf
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*
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* @created 03.06.2020
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* @author Maximilian Kresse
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* @license MIT
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*
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* @see https://github.com/chillerlan/php-qrcode/pull/49
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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\Settings\SettingsContainerInterface;
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use FPDF;
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use function array_values, class_exists, count, intval, is_array, is_numeric, max, min;
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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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/**
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* QRFpdf constructor.
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*
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* @throws \chillerlan\QRCode\Output\QRCodeOutputException
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*/
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public function __construct(SettingsContainerInterface $options, QRMatrix $matrix){
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if(!class_exists(FPDF::class)){
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// @codeCoverageIgnoreStart
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throw new QRCodeOutputException(
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'The QRFpdf output requires FPDF (https://github.com/Setasign/FPDF)'.
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' as dependency but the class "\\FPDF" couldn\'t be found.'
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);
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// @codeCoverageIgnoreEnd
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}
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parent::__construct($options, $matrix);
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}
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/**
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* @inheritDoc
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*/
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public static function moduleValueIsValid($value):bool{
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if(!is_array($value) || count($value) < 3){
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return false;
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}
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// check the first 3 values of the array
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foreach(array_values($value) as $i => $val){
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if($i > 2){
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break;
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}
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if(!is_numeric($val)){
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return false;
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}
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}
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return true;
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}
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/**
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* @param array $value
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*
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* @inheritDoc
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*/
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protected function prepareModuleValue($value):array{
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$values = [];
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foreach(array_values($value) as $i => $val){
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if($i > 2){
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break;
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}
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$values[] = max(0, min(255, intval($val)));
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}
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return $values;
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}
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/**
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* @inheritDoc
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*/
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protected function getDefaultModuleValue(bool $isDark):array{
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return ($isDark) ? [0, 0, 0] : [255, 255, 255];
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}
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/**
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* @inheritDoc
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*
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* @return string|\FPDF
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*/
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public function dump(string $file = null){
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$fpdf = new FPDF('P', $this->options->fpdfMeasureUnit, [$this->length, $this->length]);
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$fpdf->AddPage();
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if($this::moduleValueIsValid($this->options->bgColor)){
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$bgColor = $this->prepareModuleValue($this->options->bgColor);
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/** @phan-suppress-next-line PhanParamTooFewUnpack */
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$fpdf->SetFillColor(...$bgColor);
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$fpdf->Rect(0, 0, $this->length, $this->length, 'F');
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}
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$prevColor = null;
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for($y = 0; $y < $this->moduleCount; $y++){
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for($x = 0; $x < $this->moduleCount; $x++){
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if(!$this->options->drawLightModules && !$this->matrix->check($x, $y)){
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continue;
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}
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$color = $this->getModuleValueAt($x, $y);
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if($prevColor !== $color){
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/** @phan-suppress-next-line PhanParamTooFewUnpack */
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$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), $this->scale, $this->scale, 'F');
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}
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}
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if($this->options->returnResource){
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return $fpdf;
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}
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$pdfData = $fpdf->Output('S');
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$this->saveToFile($pdfData, $file);
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if($this->options->imageBase64){
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$pdfData = $this->toBase64DataURI($pdfData, 'application/pdf');
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}
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return $pdfData;
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}
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}
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