Add GS1QR QR-codes to DJVU File in C#

using (Signature signature = new Signature("sample.djvu"))
{
    // Initialize qr-code options with predefined text
    QrCodeSignOptions options = new QrCodeSignOptions("JohnSmith")
    {
        // setup QRCode encoding type
        EncodeType = QrCodeTypes.QR,
        
        // set signature position
        Left = 50,
        Top = 150,
        Width = 200,
        Height = 50
    };

    // Sign DJVU file and save result 
    signature.Sign("signed.djvu", options);
}