Consider using ttf-parser crate
As stated in the readme:
ttf-parser is a pure Rust, zero unsafe, zero allocation TrueType and OpenType parser. It's still in development, but it's already better that
stb-truetype-rs. It supports more features, mainly CFF, and around 20% faster in
glyf outlining. Also, it support most of the
I'm not sure what features do you require, but I'm happy to implement them. The main one is outlining.
ttf-parser is pretty high-level, so it produces only curves, not raw points (which are used in rusttype, afaiu). On the other hand, CFF contains only curves anyway.
ttf-parser doesn't support the
kern table yet, which is required by