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-rw-r--r--vendor/chillerlan/php-qrcode/examples/QRImageWithLogo.php81
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diff --git a/vendor/chillerlan/php-qrcode/examples/QRImageWithLogo.php b/vendor/chillerlan/php-qrcode/examples/QRImageWithLogo.php
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+<?php
+/**
+ * Class QRImageWithLogo
+ *
+ * @filesource QRImageWithLogo.php
+ * @created 18.11.2020
+ * @package chillerlan\QRCodeExamples
+ * @author smiley <smiley@chillerlan.net>
+ * @copyright 2020 smiley
+ * @license MIT
+ *
+ * @noinspection PhpComposerExtensionStubsInspection
+ */
+
+namespace chillerlan\QRCodeExamples;
+
+use chillerlan\QRCode\Output\{QRCodeOutputException, QRImage};
+
+use function imagecopyresampled, imagecreatefrompng, imagesx, imagesy, is_file, is_readable;
+
+/**
+ * @property \chillerlan\QRCodeExamples\LogoOptions $options
+ */
+class QRImageWithLogo extends QRImage{
+
+ /**
+ * @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');
+ }
+
+ $this->matrix->setLogoSpace(
+ $this->options->logoSpaceWidth,
+ $this->options->logoSpaceHeight
+ // not utilizing the position here
+ );
+
+ // 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){
+ $imageData = 'data:image/'.$this->options->outputType.';base64,'.base64_encode($imageData);
+ }
+
+ return $imageData;
+ }
+
+}