libsixel is an ANSI-compatible library for SIXEL/DEC graphics painting in a terminal. This allows for richer interface design and better integration between the text-based and graphical environments.

There is at least one person who has already started work on wrapping libsixel for use in Rust, though a different wrapper may be preferrable.

xterm whose terminfo alacritty defaults to already supports libsixel (through a compile-time option).