Add Color Operations - Githubissues

vaidehijoshi / css-colors

A Rust converter for transforming CSS colors! 🎨

https://crates.io/crates/css-colors

ISC License

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Add Color Operations #10

Closed vaidehijoshi closed 5 years ago

vaidehijoshi commented 6 years ago

Adds functions for Less' color operations, and also adds docs and examples for each operation:

[x] saturate
[x] desaturate
[x] lighten
[x] darken
[x] fadein
[x] fadeout
[x] fade
[x] spin
[x] mix
[x] tint
[x] shade
[x] greyscale
[ ] ~contrast~

vaidehijoshi commented 5 years ago

TODO:

[x] RGBA can take Ratio instead of u8 for A (no more unwrap()ing)
[x] clamp Ratio math so that things like fade in and mix can be simplified a bit
[x] finish mix, tint, shade
[ ] try making operation tests as a macro?

vaidehijoshi commented 5 years ago

@chancancode I think this ready is for review!

I couldn't see an obvious way to split up the operations tests into a macro, since it seemed like I would be duplicating what's already happening inside of assert_approximately_eq!. I split up the tests and added more, however.