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Refactor HSL functions into separate module

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This commit is contained in:
ConnorSkees 2020-02-14 12:43:12 -05:00
parent f7351e1458
commit 7f17139a3b
3 changed files with 151 additions and 140 deletions
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140
src/builtin/color.rs
View File

@ -102,49 +102,6 @@ pub(crate) fn register(f: &mut BTreeMap<String, Builtin>) {
Some(Value::Color(Color::from_rgba(red, green, blue, alpha)))
}
});
decl!(f "hsl", |args, _| {
let hue = match arg!(args, 0, "hue").eval() {
Value::Dimension(n, Unit::None)
| Value::Dimension(n, Unit::Percent)
| Value::Dimension(n, Unit::Deg) => n,
_ => todo!("expected either unitless or % number for alpha"),
};
let saturation = match arg!(args, 1, "saturation").eval() {
Value::Dimension(n, Unit::None)
| Value::Dimension(n, Unit::Percent) => n / Number::from(100),
_ => todo!("expected either unitless or % number for alpha"),
};
let luminance = match arg!(args, 2, "luminance").eval() {
Value::Dimension(n, Unit::None)
| Value::Dimension(n, Unit::Percent) => n / Number::from(100),
_ => todo!("expected either unitless or % number for alpha"),
};
Some(Value::Color(Color::from_hsla(hue, saturation, luminance, Number::from(1))))
});
decl!(f "hsla", |args, _| {
let hue = match arg!(args, 0, "hue").eval() {
Value::Dimension(n, Unit::None)
| Value::Dimension(n, Unit::Percent)
| Value::Dimension(n, Unit::Deg) => n,
_ => todo!("expected either unitless or % number for alpha"),
};
let saturation = match arg!(args, 1, "saturation").eval() {
Value::Dimension(n, Unit::None)
| Value::Dimension(n, Unit::Percent) => n / Number::from(100),
_ => todo!("expected either unitless or % number for alpha"),
};
let luminance = match arg!(args, 2, "luminance").eval() {
Value::Dimension(n, Unit::None)
| Value::Dimension(n, Unit::Percent) => n / Number::from(100),
_ => todo!("expected either unitless or % number for alpha"),
};
let alpha = match arg!(args, 3, "alpha").eval() {
Value::Dimension(n, Unit::None) => n,
Value::Dimension(n, Unit::Percent) => n / Number::from(100),
_ => todo!("expected either unitless or % number for alpha"),
};
Some(Value::Color(Color::from_hsla(hue, saturation, luminance, alpha)))
});
decl!(f "red", |args, _| {
match arg!(args, 0, "color") {
Value::Color(c) => Some(Value::Dimension(Number::from(c.red()), Unit::None)),
@ -163,24 +120,6 @@ pub(crate) fn register(f: &mut BTreeMap<String, Builtin>) {
_ => todo!("non-color given to builtin function `blue()`")
}
});
decl!(f "hue", |args, _| {
match arg!(args, 0, "color") {
Value::Color(c) => Some(Value::Dimension(c.hue(), Unit::Deg)),
_ => todo!("non-color given to builtin function `hue()`")
}
});
decl!(f "saturation", |args, _| {
match arg!(args, 0, "color") {
Value::Color(c) => Some(Value::Dimension(c.saturation(), Unit::Percent)),
_ => todo!("non-color given to builtin function `saturation()`")
}
});
decl!(f "lightness", |args, _| {
match arg!(args, 0, "color") {
Value::Color(c) => Some(Value::Dimension(c.lightness(), Unit::Percent)),
_ => todo!("non-color given to builtin function `lightness()`")
}
});
decl!(f "opacity", |args, _| {
match arg!(args, 0, "color") {
Value::Color(c) => Some(Value::Dimension(c.alpha() / Number::from(255), Unit::None)),
@ -194,78 +133,6 @@ pub(crate) fn register(f: &mut BTreeMap<String, Builtin>) {
_ => todo!("non-color given to builtin function `alpha()`")
}
});
decl!(f "invert", |args, _| {
let weight = match arg!(args, 1, "weight"=Value::Dimension(Number::from(100), Unit::Percent)) {
Value::Dimension(n, Unit::None)
| Value::Dimension(n, Unit::Percent) => n / Number::from(100),
_ => todo!("non-number weight given to builtin function `invert()`")
};
match arg!(args, 0, "color") {
Value::Color(c) => Some(Value::Color(c.invert(weight))),
_ => todo!("non-color given to builtin function `alpha()`")
}
});
decl!(f "adjust-hue", |args, _| {
let color = match arg!(args, 0, "color").eval() {
Value::Color(c) => c,
_ => todo!("non-color given to builtin function `adjust-hue()`")
};
let degrees = match arg!(args, 1, "degrees").eval() {
Value::Dimension(n, Unit::None)
| Value::Dimension(n, Unit::Percent)
| Value::Dimension(n, Unit::Deg) => n,
_ => todo!("expected either unitless or % number for degrees"),
};
Some(Value::Color(color.adjust_hue(degrees)))
});
decl!(f "lighten", |args, _| {
let color = match arg!(args, 0, "color").eval() {
Value::Color(c) => c,
_ => todo!("non-color given to builtin function `lighten()`")
};
let amount = match arg!(args, 1, "amount").eval() {
Value::Dimension(n, Unit::None) => n,
Value::Dimension(n, Unit::Percent) => n / Number::from(100),
_ => todo!("expected either unitless or % number for amount"),
};
Some(Value::Color(color.lighten(amount)))
});
decl!(f "darken", |args, _| {
let color = match arg!(args, 0, "color").eval() {
Value::Color(c) => c,
_ => todo!("non-color given to builtin function `darken()`")
};
let amount = match arg!(args, 1, "amount").eval() {
Value::Dimension(n, Unit::None) => n,
Value::Dimension(n, Unit::Percent) => n / Number::from(100),
_ => todo!("expected either unitless or % number for amount"),
};
Some(Value::Color(color.darken(amount)))
});
decl!(f "saturate", |args, _| {
let color = match arg!(args, 0, "color").eval() {
Value::Color(c) => c,
_ => todo!("non-color given to builtin function `saturate()`")
};
let amount = match arg!(args, 1, "amount").eval() {
Value::Dimension(n, Unit::None) => n,
Value::Dimension(n, Unit::Percent) => n / Number::from(100),
_ => todo!("expected either unitless or % number for amount"),
};
Some(Value::Color(color.saturate(amount)))
});
decl!(f "desaturate", |args, _| {
let color = match arg!(args, 0, "color").eval() {
Value::Color(c) => c,
_ => todo!("non-color given to builtin function `desaturate()`")
};
let amount = match arg!(args, 1, "amount").eval() {
Value::Dimension(n, Unit::None) => n,
Value::Dimension(n, Unit::Percent) => n / Number::from(100),
_ => todo!("expected either unitless or % number for amount"),
};
Some(Value::Color(color.desaturate(amount)))
});
decl!(f "opacify", |args, _| {
let color = match arg!(args, 0, "color").eval() {
Value::Color(c) => c,
@ -314,11 +181,4 @@ pub(crate) fn register(f: &mut BTreeMap<String, Builtin>) {
};
Some(Value::Color(color.fade_out(amount)))
});
decl!(f "grayscale", |args, _| {
let color = match arg!(args, 0, "color").eval() {
Value::Color(c) => c,
_ => todo!("non-color given to builtin function `grayscale()`")
};
Some(Value::Color(color.desaturate(Number::from(1))))
});
}

149
src/builtin/color_hsl.rs Normal file
View File

@ -0,0 +1,149 @@
use std::collections::BTreeMap;
use super::Builtin;
use crate::color::Color;
use crate::units::Unit;
use crate::value::{Number, Value};
pub(crate) fn register(f: &mut BTreeMap<String, Builtin>) {
decl!(f "hsl", |args, _| {
let hue = match arg!(args, 0, "hue").eval() {
Value::Dimension(n, Unit::None)
| Value::Dimension(n, Unit::Percent)
| Value::Dimension(n, Unit::Deg) => n,
_ => todo!("expected either unitless or % number for alpha"),
};
let saturation = match arg!(args, 1, "saturation").eval() {
Value::Dimension(n, Unit::None)
| Value::Dimension(n, Unit::Percent) => n / Number::from(100),
_ => todo!("expected either unitless or % number for alpha"),
};
let luminance = match arg!(args, 2, "luminance").eval() {
Value::Dimension(n, Unit::None)
| Value::Dimension(n, Unit::Percent) => n / Number::from(100),
_ => todo!("expected either unitless or % number for alpha"),
};
Some(Value::Color(Color::from_hsla(hue, saturation, luminance, Number::from(1))))
});
decl!(f "hsla", |args, _| {
let hue = match arg!(args, 0, "hue").eval() {
Value::Dimension(n, Unit::None)
| Value::Dimension(n, Unit::Percent)
| Value::Dimension(n, Unit::Deg) => n,
_ => todo!("expected either unitless or % number for alpha"),
};
let saturation = match arg!(args, 1, "saturation").eval() {
Value::Dimension(n, Unit::None)
| Value::Dimension(n, Unit::Percent) => n / Number::from(100),
_ => todo!("expected either unitless or % number for alpha"),
};
let luminance = match arg!(args, 2, "luminance").eval() {
Value::Dimension(n, Unit::None)
| Value::Dimension(n, Unit::Percent) => n / Number::from(100),
_ => todo!("expected either unitless or % number for alpha"),
};
let alpha = match arg!(args, 3, "alpha").eval() {
Value::Dimension(n, Unit::None) => n,
Value::Dimension(n, Unit::Percent) => n / Number::from(100),
_ => todo!("expected either unitless or % number for alpha"),
};
Some(Value::Color(Color::from_hsla(hue, saturation, luminance, alpha)))
});
decl!(f "hue", |args, _| {
match arg!(args, 0, "color") {
Value::Color(c) => Some(Value::Dimension(c.hue(), Unit::Deg)),
_ => todo!("non-color given to builtin function `hue()`")
}
});
decl!(f "saturation", |args, _| {
match arg!(args, 0, "color") {
Value::Color(c) => Some(Value::Dimension(c.saturation(), Unit::Percent)),
_ => todo!("non-color given to builtin function `saturation()`")
}
});
decl!(f "lightness", |args, _| {
match arg!(args, 0, "color") {
Value::Color(c) => Some(Value::Dimension(c.lightness(), Unit::Percent)),
_ => todo!("non-color given to builtin function `lightness()`")
}
});
decl!(f "adjust-hue", |args, _| {
let color = match arg!(args, 0, "color").eval() {
Value::Color(c) => c,
_ => todo!("non-color given to builtin function `adjust-hue()`")
};
let degrees = match arg!(args, 1, "degrees").eval() {
Value::Dimension(n, Unit::None)
| Value::Dimension(n, Unit::Percent)
| Value::Dimension(n, Unit::Deg) => n,
_ => todo!("expected either unitless or % number for degrees"),
};
Some(Value::Color(color.adjust_hue(degrees)))
});
decl!(f "lighten", |args, _| {
let color = match arg!(args, 0, "color").eval() {
Value::Color(c) => c,
_ => todo!("non-color given to builtin function `lighten()`")
};
let amount = match arg!(args, 1, "amount").eval() {
Value::Dimension(n, Unit::None) => n,
Value::Dimension(n, Unit::Percent) => n / Number::from(100),
_ => todo!("expected either unitless or % number for amount"),
};
Some(Value::Color(color.lighten(amount)))
});
decl!(f "darken", |args, _| {
let color = match arg!(args, 0, "color").eval() {
Value::Color(c) => c,
_ => todo!("non-color given to builtin function `darken()`")
};
let amount = match arg!(args, 1, "amount").eval() {
Value::Dimension(n, Unit::None) => n,
Value::Dimension(n, Unit::Percent) => n / Number::from(100),
_ => todo!("expected either unitless or % number for amount"),
};
Some(Value::Color(color.darken(amount)))
});
decl!(f "saturate", |args, _| {
let color = match arg!(args, 0, "color").eval() {
Value::Color(c) => c,
_ => todo!("non-color given to builtin function `saturate()`")
};
let amount = match arg!(args, 1, "amount").eval() {
Value::Dimension(n, Unit::None) => n,
Value::Dimension(n, Unit::Percent) => n / Number::from(100),
_ => todo!("expected either unitless or % number for amount"),
};
Some(Value::Color(color.saturate(amount)))
});
decl!(f "desaturate", |args, _| {
let color = match arg!(args, 0, "color").eval() {
Value::Color(c) => c,
_ => todo!("non-color given to builtin function `desaturate()`")
};
let amount = match arg!(args, 1, "amount").eval() {
Value::Dimension(n, Unit::None) => n,
Value::Dimension(n, Unit::Percent) => n / Number::from(100),
_ => todo!("expected either unitless or % number for amount"),
};
Some(Value::Color(color.desaturate(amount)))
});
decl!(f "grayscale", |args, _| {
let color = match arg!(args, 0, "color").eval() {
Value::Color(c) => c,
_ => todo!("non-color given to builtin function `grayscale()`")
};
Some(Value::Color(color.desaturate(Number::from(1))))
});
decl!(f "invert", |args, _| {
let weight = match arg!(args, 1, "weight"=Value::Dimension(Number::from(100), Unit::Percent)) {
Value::Dimension(n, Unit::None)
| Value::Dimension(n, Unit::Percent) => n / Number::from(100),
_ => todo!("non-number weight given to builtin function `invert()`")
};
match arg!(args, 0, "color") {
Value::Color(c) => Some(Value::Color(c.invert(weight))),
_ => todo!("non-color given to builtin function `alpha()`")
}
});
}

2
src/builtin/mod.rs
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@ -9,6 +9,7 @@ use crate::value::Value;
mod macros;
mod color;
mod color_hsl;
mod list;
mod map;
mod math;
@ -22,6 +23,7 @@ lazy_static! {
pub(crate) static ref GLOBAL_FUNCTIONS: BTreeMap<String, Builtin> = {
let mut m = BTreeMap::new();
color::register(&mut m);
color_hsl::register(&mut m);
list::register(&mut m);
math::register(&mut m);
meta::register(&mut m);