Hi Mauricio,
Pretty coolthatyour idea(and if you had notcommentedon itI would not haveresearched, thanks).
So, searching theSCNI foundthese twolinks, onetalks aboutSmartFormsandotherWebdynpro, I believe theycan helpyou a lot:
How to create a QR code and show it in a Smartform
Create QRCode via ABAP code
Ahhh, a tipI leave toyou, use googlewiththe keyword"your subject" site: scn.sap.com, so youfindveryquicklywhat you want,since hereinSCNwe havea lot of content, oks?!
I also suggestreading thedocumentbelow, whichexplains thebest practiceswhen using theSCN, read and keepwith careall that isdescribedthere
Warm regards,
Raphael Pacheco.