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:octocat: examples cleanup

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smiley
2022-07-09 18:10:23 +02:00
parent 9d309e2ff8
commit e971678ac5
17 changed files with 382 additions and 420 deletions
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examples/imageWithLogo.php
+67 -4
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@@ -4,17 +4,77 @@
* @author smiley <smiley@chillerlan.net>
* @copyright 2020 smiley
* @license MIT
*
* @noinspection PhpComposerExtensionStubsInspection, PhpIllegalPsrClassPathInspection
*/
namespace chillerlan\QRCodeExamples;
use chillerlan\QRCode\{QRCode, QROptions};
use chillerlan\QRCode\Common\EccLevel;
use chillerlan\QRCode\Data\QRMatrix;
use chillerlan\QRCode\Output\{QRGdImage, QRCodeOutputException};
require_once __DIR__.'/../vendor/autoload.php';
$data = 'https://github.com';
/*
* Class definition
*/
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;
}
}
/*
* Runtime
*/
$options = new QROptions([
'version' => 5,
@@ -31,11 +91,14 @@ $options = new QROptions([
]);
$qrcode = new QRCode($options);
$qrcode->addByteSegment($data);
$qrcode->addByteSegment('https://github.com');
header('Content-type: image/png');
$qrOutputInterface = new QRImageWithLogo($options, $qrcode->getMatrix());
// dump the output, with an additional logo
// the logo could also be supplied via the options, see the svgWithLogo example
echo $qrOutputInterface->dump(null, __DIR__.'/octocat.png');
exit;