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<?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;
}
}
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