# Struct nannou::color::LabHue[−][src]

`#[repr(C)]pub struct LabHue<T = f32>(_) where    T: Float;`

A hue type for the CIE L*a*b* family of color spaces.

It’s measured in degrees and it’s based on the four physiological elementary colors red, yellow, green and blue. This makes it different from the hue of RGB based color spaces.

The hue is a circular type, where `0` and `360` is the same, and it’s normalized to `(-180, 180]` when it’s converted to a linear number (like `f32`). This makes many calculations easier, but may also have some surprising effects if it’s expected to act as a linear number.

## Implementations

### `impl<T> LabHue<T> where    T: Float, `[src]

#### `pub fn from_degrees(degrees: T) -> LabHue<T>`[src]

Create a new hue from degrees.

#### `pub fn to_degrees(self) -> T`[src]

Get the hue as degrees, in the range `(-180, 180]`.

#### `pub fn to_radians(self) -> T`[src]

Convert the hue to radians, in the range `(-π, π]`.

#### `pub fn to_positive_degrees(self) -> T`[src]

Convert the hue to positive degrees, in the range `[0, 360)`.

#### `pub fn to_positive_radians(self) -> T`[src]

Convert the hue to positive radians, in the range `[0, 2π)`.

#### `pub fn to_raw_degrees(self) -> T`[src]

Get the internal representation, without normalizing it.

#### `pub fn to_raw_radians(self) -> T`[src]

Get the internal representation as radians, without normalizing it.

## Trait Implementations

### `impl<T> AbsDiffEq<LabHue<T>> for LabHue<T> where    T: Float + AbsDiffEq<T>,    <T as AbsDiffEq<T>>::Epsilon: Float, `[src]

#### `type Epsilon = <T as AbsDiffEq<T>>::Epsilon`

Used for specifying relative comparisons.

### `impl<T> Add<LabHue<T>> for LabHue<T> where    T: Float, `[src]

#### `type Output = LabHue<T>`

The resulting type after applying the `+` operator.

### `impl<T> Add<T> for LabHue<T> where    T: Float, `[src]

#### `type Output = LabHue<T>`

The resulting type after applying the `+` operator.

### `impl<T> Sub<LabHue<T>> for LabHue<T> where    T: Float, `[src]

#### `type Output = LabHue<T>`

The resulting type after applying the `-` operator.

### `impl<T> Sub<T> for LabHue<T> where    T: Float, `[src]

#### `type Output = LabHue<T>`

The resulting type after applying the `-` operator.

## Blanket Implementations

### `impl<T> Pointable for T`

#### `type Init = T`

The type for initializers.

### `impl<T> ToOwned for T where    T: Clone, `[src]

#### `type Owned = T`

The resulting type after obtaining ownership.

### `impl<T, U> TryFrom<U> for T where    U: Into<T>, `[src]

#### `type Error = Infallible`

The type returned in the event of a conversion error.

### `impl<T, U> TryInto<U> for T where    U: TryFrom<T>, `[src]

#### `type Error = <U as TryFrom<T>>::Error`

The type returned in the event of a conversion error.