Comment by WenboS
3 days ago
This is absolute black magic. I never realized OpenType rules were powerful enough to render something as complex as a QR matrix inline.
3 days ago
This is absolute black magic. I never realized OpenType rules were powerful enough to render something as complex as a QR matrix inline.
It’s basically Turing-complete: https://simoncozens.github.io/fonts-and-layout/features.html
Once something is Turing-complete, the magic turns from black to white. ;)
Font shaping rules are actually turing complete. An incredible amount of engineering effort has gone into this not being a total disaster everywhere at all times.