[nicoburns]

"draw whatever is in a font at this codepoint" is doing quite a lot of work there. Some emoji fonts just embed a PNG which is easy. But COLRv1 fonts define an entire vector graphics imaging model which is similar what you need to render an SVG.

[kibwen]

Yes, but at this point we're completely outside the scope of Unicode, which has nothing to do with how anything actually gets drawn to the screen.