Incremental Font Transfer

A client side implementation of the Incremental Font Transfer standard https://w3c.github.io/IFT/Overview.html#glyph-keyed

More specifically this provides:

• Implementation of parsing and reading incremental font patch mappings: https://w3c.github.io/IFT/Overview.html#font-format-extensions
• Implementation of parsing and apply incremental font patches: https://w3c.github.io/IFT/Overview.html#font-patch-formats

Built on top of the read-fonts crate.

Panicking

This library should not panic regardless of API misuse or use of corrupted/malicious font files. Please file an issue if this occurs.

Safety

Unsafe code is forbidden by a #![forbid(unsafe_code)] attribute in the root of the library.