<?php
require_once './vendor/autoload.php';
use chillerlan\QRCode\{QRCode, QROptions};
use chillerlan\QRCode\Common\EccLevel;
use chillerlan\QRCode\Data\QRMatrix;
use chillerlan\QRCode\Output\{QRGdImage, QRCodeOutputException};
class QRImageWithLogo extends QRGdImage{
/**
* @param string|null $file
* @param string|null $logo
*
* @return string
* @throws \chillerlan\QRCode\Output\QRCodeOutputException
*/
public function dump(string $file = null, string $logo = null):string{
// set returnResource to true to skip further processing for now
$this->options->returnResource = true;
// of course you could accept other formats too (such as resource or Imagick)
// i'm not checking for the file type either for simplicity reasons (assuming PNG)
if(!is_file($logo) || !is_readable($logo)){
throw new QRCodeOutputException('invalid logo');
}
// there's no need to save the result of dump() into $this->image here
parent::dump($file);
$im = imagecreatefrompng($logo);
// get logo image size
$w = imagesx($im);
$h = imagesy($im);
// set new logo size, leave a border of 1 module (no proportional resize/centering)
$lw = ($this->options->logoSpaceWidth - 2) * $this->options->scale;
$lh = ($this->options->logoSpaceHeight - 2) * $this->options->scale;
// get the qrcode size
$ql = $this->matrix->size() * $this->options->scale;
// scale the logo and copy it over. done!
imagecopyresampled($this->image, $im, ($ql - $lw) / 2, ($ql - $lh) / 2, 0, 0, $lw, $lh, $w, $h);
$imageData = $this->dumpImage();
if($file !== null){
$this->saveToFile($imageData, $file);
}
if($this->options->imageBase64){
$imageData = $this->base64encode($imageData, 'image/'.$this->options->outputType);
}
return $imageData;
}
}
$options = new QROptions([
'version' => 5,
'eccLevel' => EccLevel::H,
'imageBase64' => false,
'addLogoSpace' => true,
'logoSpaceWidth' => 13,
'logoSpaceHeight' => 13,
'scale' => 6,
'imageTransparent' => false,
'drawCircularModules' => true,
'circleRadius' => 0.45,
'keepAsSquare' => [QRMatrix::M_FINDER, QRMatrix::M_FINDER_DOT],
]);
$qrcode = new QRCode($options);
$qrcode->addByteSegment('https://github.com');
$qrOutputInterface = new QRImageWithLogo($options, $qrcode->getMatrix());
$qrOutputInterface->dump(NULL, __DIR__.'/logo.png');
