I started working on QR Codes for a work project that was going to be on a secure server not connected to the Internet, so the external service was not an option. I wasn't able to come up with anything and the requirement was dropped, but it bugged me and I just decided to figure out how to generate QR Codes programmatically.

I got this far, and I thought I might just share my knowledge on the chance that somebody else would show me a better way.