If scan qr code, then recognize and display label as the top of white text.
For example, generated by the following site.
https://www.the-qrcode-generator.com/
| mask preview | square preview |
|---|---|
 |
 |
If scan qr code, then recognize and display label as the top of white text.
For example, generated by the following site.
https://www.the-qrcode-generator.com/
| mask preview | square preview |
|---|---|
|
|