draw font glyph outline for Rust with plotters
* https://github.com/nomissbowling/font-glyph/blob/master/img/4cfonts.png?raw=true
This crate requires freetype-rs = 0.7 when use freetype-rs with plotters, and must link freetype.lib .
You may use freetype-rs = 0.32 (needless link freetype.lib) without plotters.
MIT License