The QR code-extension utilizes Sangmin, Shim's QRCode.js JavaScript library.
dbr.qrcode - Show the QR code
select 'dbr.qrcode'
The data for the dbr.qrcode-command can be either the included text or the options available in QRCodejs QRCode.js-website for available options.
select 'dbr.keepwithnext';
select 'dbr.subtitle', 'URL';
select 'dbr.qrcode';
select 'https://mydbr.com';
select 'dbr.subtitle', 'Email';
select 'dbr.qrcode';
select 'mailto:sales@mydbr.com';
select 'dbr.keepwithnext', 'reset';
select 'dbr.keepwithnext';
select 'dbr.subtitle', 'Telephone';
select 'dbr.qrcode';
select 'tel:+1-000-000-0000';
select 'dbr.subtitle', 'Geolocation with options';
select 'dbr.qrcode';
select '{
text: "geo:60.16997,24.93853",
width: 128,
height: 128,
colorDark : "#67a814",
colorLight : "#ffffff",
correctLevel : QRCode.CorrectLevel.H
}';