protected function getLocal()
{
$outputDir = $this->getOutputDir();
$filename = $this->getFilename();
$saveFilename = $outputDir . '/' . $filename;
$webFilename = $this->getOutputDirWeb() . '/' . $filename;
if (false === file_exists($saveFilename)) {
QRcode::init($this->qrOptions);
//save file
QRcode::png($this->text, $saveFilename, $this->ecLevel, $this->size, $this->margin);
}
//render img tag
return Html::img($webFilename, $this->imgOptions);
}
public function run($text)
{
$size = $this->defaultSize;
$margin = $this->defaultMargin;
$ecLevel = $this->ecLevel;
$this->text = $text;
if (empty($text)) {
throw new HttpException(404, 'QR is not exist.');
}
if (true === $this->allowClientSize) {
$clientSize = intval(Yii::$app->request->get('size', $this->defaultSize));
if ($clientSize >= $this->defaultSize && $clientSize <= $this->maxSize) {
$this->defaultSize = $clientSize;
}
}
if (true === $this->allowClientMargin) {
$clientMargin = intval(Yii::$app->request->get('margin', $this->defaultMargin));
if ($clientMargin >= $this->defaultMargin && $clientMargin <= $this->maxMargin) {
$this->defaultMargin = $clientMargin;
}
}
if (true === $this->allowClientEclevel) {
$clientEclevel = intval(Yii::$app->request->get('ec', $this->ecLevel));
$ecOptions = QRcode::getEclevelOptions();
if (in_array($clientEclevel, $ecOptions)) {
$this->ecLevel = $clientEclevel;
}
}
if ($this->outputDir === null) {
$outputfile = null;
} elseif (is_callable($this->onGetFilename)) {
$outputfile = $this->getOutputDir() . DIRECTORY_SEPARATOR . call_user_func_array($this->onGetFilename, [$this]);
} else {
$outputfile = $this->getOutputDir() . DIRECTORY_SEPARATOR . $this->getFilename();
}
QRcode::init(ArrayHelper::merge($this->options, ['QR_CACHEABLE' => $this->enableCache]));
header('Content-Type: image/png');
QRcode::png($text, $outputfile, $this->ecLevel, $this->defaultSize, $this->defaultMargin, true);
}
