cosmic::cosmic_theme::palette

Type Alias SrgbLuma

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pub type SrgbLuma<T = f32> = Luma<Srgb, T>;
Expand description

sRGB encoded luminance.

Aliased Type§

struct SrgbLuma<T = f32> {
    pub luma: T,
    pub standard: PhantomData<Srgb>,
}

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§luma: T

The lightness of the color. 0.0 is black and 1.0 is white.

§standard: PhantomData<Srgb>

The kind of RGB standard. sRGB is the default.

Implementations

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impl<S, T> Luma<S, &T>

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pub fn copied(&self) -> Luma<S, T>
where T: Copy,

Get an owned, copied version of this color.

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pub fn cloned(&self) -> Luma<S, T>
where T: Clone,

Get an owned, cloned version of this color.

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impl<S, T> Luma<S, &mut T>

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pub fn set(&mut self, value: Luma<S, T>)

Update this color with new values.

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pub fn as_refs(&self) -> Luma<S, &T>

Borrow this color’s components as shared references.

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pub fn copied(&self) -> Luma<S, T>
where T: Copy,

Get an owned, copied version of this color.

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pub fn cloned(&self) -> Luma<S, T>
where T: Clone,

Get an owned, cloned version of this color.

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impl<S, C> Luma<S, C>

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pub fn iter<'a>(&'a self) -> <&'a Luma<S, C> as IntoIterator>::IntoIter
where &'a Luma<S, C>: IntoIterator,

Return an iterator over the colors in the wrapped collections.

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pub fn iter_mut<'a>( &'a mut self, ) -> <&'a mut Luma<S, C> as IntoIterator>::IntoIter
where &'a mut Luma<S, C>: IntoIterator,

Return an iterator that allows modifying the colors in the wrapped collections.

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pub fn get<'a, I, T>( &'a self, index: I, ) -> Option<Luma<S, &'a <I as SliceIndex<[T]>>::Output>>
where T: 'a, C: AsRef<[T]>, I: SliceIndex<[T]> + Clone,

Get a color, or slice of colors, with references to the components at index. See slice::get for details.

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pub fn get_mut<'a, I, T>( &'a mut self, index: I, ) -> Option<Luma<S, &'a mut <I as SliceIndex<[T]>>::Output>>
where T: 'a, C: AsMut<[T]>, I: SliceIndex<[T]> + Clone,

Get a color, or slice of colors, that allows modifying the components at index. See slice::get_mut for details.

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impl<S, T> Luma<S, T>
where T: Stimulus,

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pub fn min_luma() -> T

Return the luma value minimum.

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pub fn max_luma() -> T

Return the luma value maximum.

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impl<S, T> Luma<S, T>
where S: LumaStandard,

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pub fn into_linear<U>(self) -> Luma<Linear<<S as LumaStandard>::WhitePoint>, U>
where <S as LumaStandard>::TransferFn: IntoLinear<U, T>,

Convert the color to linear luminance.

Some transfer functions allow the component type to be converted at the same time. This is usually offered with increased performance, compared to using into_format.

use palette::{SrgbLuma, LinLuma};

let linear: LinLuma<_, f32> = SrgbLuma::new(96u8).into_linear();

See the transfer function types in the encoding module for details and performance characteristics.

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pub fn from_linear<U>( color: Luma<Linear<<S as LumaStandard>::WhitePoint>, U>, ) -> Luma<S, T>
where <S as LumaStandard>::TransferFn: FromLinear<U, T>,

Convert linear luminance to non-linear luminance.

Some transfer functions allow the component type to be converted at the same time. This is usually offered with increased performance, compared to using into_format.

use palette::{SrgbLuma, LinLuma};

let encoded = SrgbLuma::<u8>::from_linear(LinLuma::new(0.95f32));

See the transfer function types in the encoding module for details and performance characteristics.

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impl<S, T> Luma<S, T>

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pub const fn new(luma: T) -> Luma<S, T>

Create a luminance color.

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pub fn into_format<U>(self) -> Luma<S, U>
where U: FromStimulus<T>,

Convert into another component type.

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pub fn from_format<U>(color: Luma<S, U>) -> Luma<S, T>
where T: FromStimulus<U>,

Convert from another component type.

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pub fn into_components(self) -> (T,)

Convert to a (luma,) tuple.

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pub fn from_components(_: (T,)) -> Luma<S, T>

Convert from a (luma,) tuple.

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impl<S, T> Luma<S, Vec<T>>

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pub fn with_capacity(capacity: usize) -> Luma<S, Vec<T>>

Create a struct of vectors with a minimum capacity. See Vec::with_capacity for details.

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pub fn push(&mut self, value: Luma<S, T>)

Push an additional color’s components onto the component vectors. See Vec::push for details.

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pub fn pop(&mut self) -> Option<Luma<S, T>>

Pop a color’s components from the component vectors. See Vec::pop for details.

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pub fn clear(&mut self)

Clear the component vectors. See Vec::clear for details.

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pub fn drain<R>(&mut self, range: R) -> Iter<Drain<'_, T>, S>
where R: RangeBounds<usize> + Clone,

Return an iterator that moves colors out of the specified range.

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impl<S> Luma<S, u8>

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pub fn into_u16<O>(self) -> u16
where O: ComponentOrder<Alpha<Luma<S, u8>, u8>, u16>,

Convert to a packed u16 with with specifiable component order.

use palette::{luma, SrgbLuma};

let integer = SrgbLuma::new(96u8).into_u16::<luma::channels::La>();
assert_eq!(0x60FF, integer);

It’s also possible to use From and Into, which defaults to the 0xAALL component order:

use palette::SrgbLuma;

let integer = u16::from(SrgbLuma::new(96u8));
assert_eq!(0xFF60, integer);

See Packed for more details.

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pub fn from_u16<O>(color: u16) -> Luma<S, u8>
where O: ComponentOrder<Alpha<Luma<S, u8>, u8>, u16>,

Convert from a packed u16 with specifiable component order.

use palette::{luma, SrgbLuma};

let luma = SrgbLuma::from_u16::<luma::channels::La>(0x60FF);
assert_eq!(SrgbLuma::new(96u8), luma);

It’s also possible to use From and Into, which defaults to the 0xAALL component order:

use palette::SrgbLuma;

let luma = SrgbLuma::from(0x60u16);
assert_eq!(SrgbLuma::new(96u8), luma);

See Packed for more details.

Trait Implementations

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impl<S, T> AbsDiffEq for Luma<S, T>
where T: AbsDiffEq,

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type Epsilon = <T as AbsDiffEq>::Epsilon

Used for specifying relative comparisons.
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fn default_epsilon() -> <Luma<S, T> as AbsDiffEq>::Epsilon

The default tolerance to use when testing values that are close together. Read more
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fn abs_diff_eq( &self, other: &Luma<S, T>, epsilon: <T as AbsDiffEq>::Epsilon, ) -> bool

A test for equality that uses the absolute difference to compute the approximate equality of two numbers.
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fn abs_diff_ne( &self, other: &Luma<S, T>, epsilon: <T as AbsDiffEq>::Epsilon, ) -> bool

The inverse of AbsDiffEq::abs_diff_eq.
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impl<S, T> Add<T> for Luma<S, T>
where T: Add<Output = T> + Clone,

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type Output = Luma<S, T>

The resulting type after applying the + operator.
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fn add(self, c: T) -> <Luma<S, T> as Add<T>>::Output

Performs the + operation. Read more
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impl<S, T> Add for Luma<S, T>
where T: Add<Output = T>,

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type Output = Luma<S, T>

The resulting type after applying the + operator.
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fn add(self, other: Luma<S, T>) -> <Luma<S, T> as Add>::Output

Performs the + operation. Read more
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impl<S, T> AddAssign<T> for Luma<S, T>
where T: AddAssign + Clone,

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fn add_assign(&mut self, c: T)

Performs the += operation. Read more
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impl<S, T> AddAssign for Luma<S, T>
where T: AddAssign,

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fn add_assign(&mut self, other: Luma<S, T>)

Performs the += operation. Read more
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impl<S, T> ArrayCast for Luma<S, T>

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type Array = [T; 1]

The output type of a cast to an array.
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impl<S, T> AsMut<[T]> for Luma<S, T>

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fn as_mut(&mut self) -> &mut [T]

Converts this type into a mutable reference of the (usually inferred) input type.
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impl<S, T> AsMut<[T; 1]> for Luma<S, T>

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fn as_mut(&mut self) -> &mut [T; 1]

Converts this type into a mutable reference of the (usually inferred) input type.
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impl<S, T> AsMut<T> for Luma<S, T>

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fn as_mut(&mut self) -> &mut T

Converts this type into a mutable reference of the (usually inferred) input type.
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impl<S, T> AsRef<[T]> for Luma<S, T>

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fn as_ref(&self) -> &[T]

Converts this type into a shared reference of the (usually inferred) input type.
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impl<S, T> AsRef<[T; 1]> for Luma<S, T>

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fn as_ref(&self) -> &[T; 1]

Converts this type into a shared reference of the (usually inferred) input type.
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impl<S, T> AsRef<T> for Luma<S, T>

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fn as_ref(&self) -> &T

Converts this type into a shared reference of the (usually inferred) input type.
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impl<S, T> Clamp for Luma<S, T>
where T: Clamp + Stimulus,

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fn clamp(self) -> Luma<S, T>

Return a new color where out-of-bounds components have been changed to the nearest valid values. Read more
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impl<S, T> ClampAssign for Luma<S, T>
where T: ClampAssign + Stimulus,

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fn clamp_assign(&mut self)

Changes out-of-bounds components to the nearest valid values. Read more
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impl<S, T> Clone for Luma<S, T>
where T: Clone,

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fn clone(&self) -> Luma<S, T>

Returns a copy of the value. Read more
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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl<S, T> Debug for Luma<S, T>
where S: Debug, T: Debug,

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fn fmt(&self, f: &mut Formatter<'_>) -> Result<(), Error>

Formats the value using the given formatter. Read more
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impl<S, T> Default for Luma<S, T>
where T: Stimulus,

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fn default() -> Luma<S, T>

Returns the “default value” for a type. Read more
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impl<'de, S, T> Deserialize<'de> for Luma<S, T>
where T: Deserialize<'de>,

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fn deserialize<__D>( __deserializer: __D, ) -> Result<Luma<S, T>, <__D as Deserializer<'de>>::Error>
where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer. Read more
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impl<S, T> Div<T> for Luma<S, T>
where T: Div<Output = T> + Clone,

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type Output = Luma<S, T>

The resulting type after applying the / operator.
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fn div(self, c: T) -> <Luma<S, T> as Div<T>>::Output

Performs the / operation. Read more
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impl<S, T> Div for Luma<S, T>
where T: Div<Output = T>,

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type Output = Luma<S, T>

The resulting type after applying the / operator.
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fn div(self, other: Luma<S, T>) -> <Luma<S, T> as Div>::Output

Performs the / operation. Read more
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impl<S, T> DivAssign<T> for Luma<S, T>
where T: DivAssign + Clone,

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fn div_assign(&mut self, c: T)

Performs the /= operation. Read more
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impl<S, T> DivAssign for Luma<S, T>
where T: DivAssign,

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fn div_assign(&mut self, other: Luma<S, T>)

Performs the /= operation. Read more
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impl<S, T> EuclideanDistance for Luma<S, T>
where T: Sub<Output = T> + Add<Output = T> + Mul<Output = T> + Real + Clone,

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type Scalar = T

The type for the distance value.
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fn distance_squared( self, other: Luma<S, T>, ) -> <Luma<S, T> as EuclideanDistance>::Scalar

Calculate the squared Euclidean distance from self to other. Read more
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impl<S, T, C> Extend<Luma<S, T>> for Luma<S, C>
where C: Extend<T>,

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fn extend<I>(&mut self, iter: I)
where I: IntoIterator<Item = Luma<S, T>>,

Extends a collection with the contents of an iterator. Read more
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fn extend_one(&mut self, item: A)

🔬This is a nightly-only experimental API. (extend_one)
Extends a collection with exactly one element.
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fn extend_reserve(&mut self, additional: usize)

🔬This is a nightly-only experimental API. (extend_one)
Reserves capacity in a collection for the given number of additional elements. Read more
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impl<S, T, V, const N: usize> From<[Luma<S, T>; N]> for Luma<S, V>
where [T; N]: Default, V: FromScalarArray<N, Scalar = T>,

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fn from(colors: [Luma<S, T>; N]) -> Luma<S, V>

Converts to this type from the input type.
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impl<S, T> From<[T; 1]> for Luma<S, T>

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fn from(array: [T; 1]) -> Luma<S, T>

Converts to this type from the input type.
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impl<S, T> From<(T,)> for Luma<S, T>

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fn from(components: (T,)) -> Luma<S, T>

Converts to this type from the input type.
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impl<S, O, P> From<Packed<O, P>> for Luma<S, u8>
where O: ComponentOrder<Alpha<Luma<S, u8>, u8>, P>,

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fn from(packed: Packed<O, P>) -> Luma<S, u8>

Converts to this type from the input type.
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impl<S, T> From<PreAlpha<Luma<S, T>>> for Luma<S, T>
where Luma<S, T>: Premultiply<Scalar = T>,

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fn from(premultiplied: PreAlpha<Luma<S, T>>) -> Luma<S, T>

Converts to this type from the input type.
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impl<S, T> From<T> for Luma<S, T>

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fn from(luma: T) -> Luma<S, T>

Converts to this type from the input type.
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impl<S> From<u16> for Luma<S, u8>

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fn from(color: u16) -> Luma<S, u8>

Converts to this type from the input type.
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impl<S, T, _C, _A> FromColorUnclamped<Alpha<_C, _A>> for Luma<S, T>
where _C: IntoColorUnclamped<Luma<S, T>>,

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fn from_color_unclamped(color: Alpha<_C, _A>) -> Luma<S, T>

Convert from T. The resulting color might be invalid in its color space. Read more
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impl<S, T, _S> FromColorUnclamped<Hsl<_S, T>> for Luma<S, T>
where _S: RgbStandard, <_S as RgbStandard>::Space: RgbSpace<WhitePoint = <S as LumaStandard>::WhitePoint>, S: LumaStandard, Xyz<<S as LumaStandard>::WhitePoint, T>: FromColorUnclamped<Hsl<_S, T>> + IntoColorUnclamped<Luma<S, T>>,

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fn from_color_unclamped(color: Hsl<_S, T>) -> Luma<S, T>

Convert from T. The resulting color might be invalid in its color space. Read more
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impl<S, T> FromColorUnclamped<Hsluv<<S as LumaStandard>::WhitePoint, T>> for Luma<S, T>

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fn from_color_unclamped( color: Hsluv<<S as LumaStandard>::WhitePoint, T>, ) -> Luma<S, T>

Convert from T. The resulting color might be invalid in its color space. Read more
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impl<S, T, _S> FromColorUnclamped<Hsv<_S, T>> for Luma<S, T>
where _S: RgbStandard, <_S as RgbStandard>::Space: RgbSpace<WhitePoint = <S as LumaStandard>::WhitePoint>, S: LumaStandard, Xyz<<S as LumaStandard>::WhitePoint, T>: FromColorUnclamped<Hsv<_S, T>> + IntoColorUnclamped<Luma<S, T>>,

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fn from_color_unclamped(color: Hsv<_S, T>) -> Luma<S, T>

Convert from T. The resulting color might be invalid in its color space. Read more
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impl<S, T, _S> FromColorUnclamped<Hwb<_S, T>> for Luma<S, T>
where _S: RgbStandard, <_S as RgbStandard>::Space: RgbSpace<WhitePoint = <S as LumaStandard>::WhitePoint>, S: LumaStandard, Xyz<<S as LumaStandard>::WhitePoint, T>: FromColorUnclamped<Hwb<_S, T>> + IntoColorUnclamped<Luma<S, T>>,

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fn from_color_unclamped(color: Hwb<_S, T>) -> Luma<S, T>

Convert from T. The resulting color might be invalid in its color space. Read more
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impl<S, T> FromColorUnclamped<Lab<<S as LumaStandard>::WhitePoint, T>> for Luma<S, T>

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fn from_color_unclamped( color: Lab<<S as LumaStandard>::WhitePoint, T>, ) -> Luma<S, T>

Convert from T. The resulting color might be invalid in its color space. Read more
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impl<S, T> FromColorUnclamped<Lch<<S as LumaStandard>::WhitePoint, T>> for Luma<S, T>

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fn from_color_unclamped( color: Lch<<S as LumaStandard>::WhitePoint, T>, ) -> Luma<S, T>

Convert from T. The resulting color might be invalid in its color space. Read more
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impl<S, T> FromColorUnclamped<Lchuv<<S as LumaStandard>::WhitePoint, T>> for Luma<S, T>

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fn from_color_unclamped( color: Lchuv<<S as LumaStandard>::WhitePoint, T>, ) -> Luma<S, T>

Convert from T. The resulting color might be invalid in its color space. Read more
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impl<S1, S2, T> FromColorUnclamped<Luma<S2, T>> for Luma<S1, T>
where S1: LumaStandard + 'static, S2: LumaStandard<WhitePoint = <S1 as LumaStandard>::WhitePoint> + 'static, <S1 as LumaStandard>::TransferFn: FromLinear<T, T>, <S2 as LumaStandard>::TransferFn: IntoLinear<T, T>,

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fn from_color_unclamped(color: Luma<S2, T>) -> Luma<S1, T>

Convert from T. The resulting color might be invalid in its color space. Read more
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impl<S, T> FromColorUnclamped<Luv<<S as LumaStandard>::WhitePoint, T>> for Luma<S, T>

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fn from_color_unclamped( color: Luv<<S as LumaStandard>::WhitePoint, T>, ) -> Luma<S, T>

Convert from T. The resulting color might be invalid in its color space. Read more
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impl<S, T> FromColorUnclamped<Okhsl<T>> for Luma<S, T>

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fn from_color_unclamped(color: Okhsl<T>) -> Luma<S, T>

Convert from T. The resulting color might be invalid in its color space. Read more
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impl<S, T> FromColorUnclamped<Okhsv<T>> for Luma<S, T>

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fn from_color_unclamped(color: Okhsv<T>) -> Luma<S, T>

Convert from T. The resulting color might be invalid in its color space. Read more
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impl<S, T> FromColorUnclamped<Okhwb<T>> for Luma<S, T>

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fn from_color_unclamped(color: Okhwb<T>) -> Luma<S, T>

Convert from T. The resulting color might be invalid in its color space. Read more
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impl<S, T> FromColorUnclamped<Oklab<T>> for Luma<S, T>

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fn from_color_unclamped(color: Oklab<T>) -> Luma<S, T>

Convert from T. The resulting color might be invalid in its color space. Read more
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impl<S, T> FromColorUnclamped<Oklch<T>> for Luma<S, T>

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fn from_color_unclamped(color: Oklch<T>) -> Luma<S, T>

Convert from T. The resulting color might be invalid in its color space. Read more
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impl<S, T, _S> FromColorUnclamped<Rgb<_S, T>> for Luma<S, T>
where _S: RgbStandard, <_S as RgbStandard>::Space: RgbSpace<WhitePoint = <S as LumaStandard>::WhitePoint>, S: LumaStandard, Xyz<<S as LumaStandard>::WhitePoint, T>: FromColorUnclamped<Rgb<_S, T>> + IntoColorUnclamped<Luma<S, T>>,

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fn from_color_unclamped(color: Rgb<_S, T>) -> Luma<S, T>

Convert from T. The resulting color might be invalid in its color space. Read more
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impl<S, T> FromColorUnclamped<Xyz<<S as LumaStandard>::WhitePoint, T>> for Luma<S, T>

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fn from_color_unclamped( color: Xyz<<S as LumaStandard>::WhitePoint, T>, ) -> Luma<S, T>

Convert from T. The resulting color might be invalid in its color space. Read more
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impl<S, T> FromColorUnclamped<Yxy<<S as LumaStandard>::WhitePoint, T>> for Luma<S, T>

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fn from_color_unclamped( color: Yxy<<S as LumaStandard>::WhitePoint, T>, ) -> Luma<S, T>

Convert from T. The resulting color might be invalid in its color space. Read more
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impl<S, T, C> FromIterator<Luma<S, T>> for Luma<S, C>
where Luma<S, C>: Extend<Luma<S, T>>, C: Default,

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fn from_iter<I>(iter: I) -> Luma<S, C>
where I: IntoIterator<Item = Luma<S, T>>,

Creates a value from an iterator. Read more
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impl<S, T> HasBoolMask for Luma<S, T>
where T: HasBoolMask,

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type Mask = <T as HasBoolMask>::Mask

The mask type to use for selecting Self values.
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impl<'a, S, T> IntoIterator for Luma<S, &'a [T]>

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type Item = Luma<S, &'a T>

The type of the elements being iterated over.
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type IntoIter = Iter<Iter<'a, T>, S>

Which kind of iterator are we turning this into?
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fn into_iter(self) -> <Luma<S, &'a [T]> as IntoIterator>::IntoIter

Creates an iterator from a value. Read more
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impl<'a, S, T> IntoIterator for Luma<S, &'a mut [T]>

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type Item = Luma<S, &'a mut T>

The type of the elements being iterated over.
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type IntoIter = Iter<IterMut<'a, T>, S>

Which kind of iterator are we turning this into?
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fn into_iter(self) -> <Luma<S, &'a mut [T]> as IntoIterator>::IntoIter

Creates an iterator from a value. Read more
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impl<S, T, const N: usize> IntoIterator for Luma<S, [T; N]>

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type Item = Luma<S, T>

The type of the elements being iterated over.
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type IntoIter = Iter<IntoIter<T, N>, S>

Which kind of iterator are we turning this into?
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fn into_iter(self) -> <Luma<S, [T; N]> as IntoIterator>::IntoIter

Creates an iterator from a value. Read more
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impl<S, T> IntoIterator for Luma<S, Vec<T>>

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type Item = Luma<S, T>

The type of the elements being iterated over.
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type IntoIter = Iter<IntoIter<T>, S>

Which kind of iterator are we turning this into?
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fn into_iter(self) -> <Luma<S, Vec<T>> as IntoIterator>::IntoIter

Creates an iterator from a value. Read more
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impl<S, T> IsWithinBounds for Luma<S, T>
where T: PartialCmp + Stimulus, <T as HasBoolMask>::Mask: BitAnd<Output = <T as HasBoolMask>::Mask>,

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fn is_within_bounds(&self) -> <T as HasBoolMask>::Mask

Check if the color’s components are within the expected range bounds. Read more
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impl<S, T> Lighten for Luma<S, T>

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type Scalar = T

The type of the lighten modifier.
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fn lighten(self, factor: T) -> Luma<S, T>

Scale the color towards the maximum lightness by factor, a value ranging from 0.0 to 1.0. Read more
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fn lighten_fixed(self, amount: T) -> Luma<S, T>

Lighten the color by amount, a value ranging from 0.0 to 1.0. Read more
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impl<S, T> LightenAssign for Luma<S, T>

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type Scalar = T

The type of the lighten modifier.
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fn lighten_assign(&mut self, factor: T)

Scale the color towards the maximum lightness by factor, a value ranging from 0.0 to 1.0. Read more
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fn lighten_fixed_assign(&mut self, amount: T)

Lighten the color by amount, a value ranging from 0.0 to 1.0. Read more
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impl<S, T> LowerHex for Luma<S, T>
where T: LowerHex,

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fn fmt(&self, f: &mut Formatter<'_>) -> Result<(), Error>

Formats the value using the given formatter. Read more
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impl<S, T> Mix for Luma<S, T>
where T: Real + Zero + One + Arithmetics + Clamp + Clone,

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type Scalar = T

The type of the mixing factor.
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fn mix(self, other: Luma<S, T>, factor: T) -> Luma<S, T>

Mix the color with an other color, by factor. Read more
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impl<S, T> MixAssign for Luma<S, T>
where T: Real + Zero + One + AddAssign + Arithmetics + Clamp + Clone,

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type Scalar = T

The type of the mixing factor.
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fn mix_assign(&mut self, other: Luma<S, T>, factor: T)

Mix the color with an other color, by factor. Read more
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impl<S, T> Mul<T> for Luma<S, T>
where T: Mul<Output = T> + Clone,

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type Output = Luma<S, T>

The resulting type after applying the * operator.
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fn mul(self, c: T) -> <Luma<S, T> as Mul<T>>::Output

Performs the * operation. Read more
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impl<S, T> Mul for Luma<S, T>
where T: Mul<Output = T>,

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type Output = Luma<S, T>

The resulting type after applying the * operator.
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fn mul(self, other: Luma<S, T>) -> <Luma<S, T> as Mul>::Output

Performs the * operation. Read more
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impl<S, T> MulAssign<T> for Luma<S, T>
where T: MulAssign + Clone,

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fn mul_assign(&mut self, c: T)

Performs the *= operation. Read more
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impl<S, T> MulAssign for Luma<S, T>
where T: MulAssign,

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fn mul_assign(&mut self, other: Luma<S, T>)

Performs the *= operation. Read more
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impl<S, T> PartialEq for Luma<S, T>
where T: PartialEq,

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fn eq(&self, other: &Luma<S, T>) -> bool

Tests for self and other values to be equal, and is used by ==.
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fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.
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impl<S, T> Premultiply for Luma<S, T>
where T: Real + Stimulus + Zero + IsValidDivisor + Mul<Output = T> + Div<Output = T> + Clone, <T as HasBoolMask>::Mask: LazySelect<T> + Clone,

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type Scalar = T

The color’s component type.
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fn premultiply(self, alpha: T) -> PreAlpha<Luma<S, T>>

Alpha mask the color. Read more
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fn unpremultiply(premultiplied: PreAlpha<Luma<S, T>>) -> (Luma<S, T>, T)

Alpha unmask the color, resulting in a color and transparency pair. Read more
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impl<S, T> RelativeContrast for Luma<S, T>

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type Scalar = T

👎Deprecated since 0.7.2: replaced by palette::color_difference::Wcag21RelativeContrast
The type of the contrast ratio.
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fn get_contrast_ratio(self, other: Luma<S, T>) -> T

👎Deprecated since 0.7.2: replaced by palette::color_difference::Wcag21RelativeContrast
Calculate the contrast ratio between two colors.
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fn has_min_contrast_text( self, other: Self, ) -> <Self::Scalar as HasBoolMask>::Mask

👎Deprecated since 0.7.2: replaced by palette::color_difference::Wcag21RelativeContrast
Verify the contrast between two colors satisfies SC 1.4.3. Contrast is at least 4.5:1 (Level AA).
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fn has_min_contrast_large_text( self, other: Self, ) -> <Self::Scalar as HasBoolMask>::Mask

👎Deprecated since 0.7.2: replaced by palette::color_difference::Wcag21RelativeContrast
Verify the contrast between two colors satisfies SC 1.4.3 for large text. Contrast is at least 3:1 (Level AA).
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fn has_enhanced_contrast_text( self, other: Self, ) -> <Self::Scalar as HasBoolMask>::Mask

👎Deprecated since 0.7.2: replaced by palette::color_difference::Wcag21RelativeContrast
Verify the contrast between two colors satisfies SC 1.4.6. Contrast is at least 7:1 (Level AAA).
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fn has_enhanced_contrast_large_text( self, other: Self, ) -> <Self::Scalar as HasBoolMask>::Mask

👎Deprecated since 0.7.2: replaced by palette::color_difference::Wcag21RelativeContrast
Verify the contrast between two colors satisfies SC 1.4.6 for large text. Contrast is at least 4.5:1 (Level AAA).
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fn has_min_contrast_graphics( self, other: Self, ) -> <Self::Scalar as HasBoolMask>::Mask

👎Deprecated since 0.7.2: replaced by palette::color_difference::Wcag21RelativeContrast
Verify the contrast between two colors satisfies SC 1.4.11 for graphical objects. Contrast is at least 3:1 (Level AA).
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impl<S, T> RelativeEq for Luma<S, T>
where T: RelativeEq,

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fn default_max_relative() -> <T as AbsDiffEq>::Epsilon

The default relative tolerance for testing values that are far-apart. Read more
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fn relative_eq( &self, other: &Luma<S, T>, epsilon: <T as AbsDiffEq>::Epsilon, max_relative: <T as AbsDiffEq>::Epsilon, ) -> bool

A test for equality that uses a relative comparison if the values are far apart.
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fn relative_ne( &self, other: &Luma<S, T>, epsilon: <T as AbsDiffEq>::Epsilon, max_relative: <T as AbsDiffEq>::Epsilon, ) -> bool

The inverse of RelativeEq::relative_eq.
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impl<S, T> SaturatingAdd<T> for Luma<S, T>
where T: SaturatingAdd<Output = T> + Clone,

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type Output = Luma<S, T>

The resulting type.
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fn saturating_add(self, c: T) -> <Luma<S, T> as SaturatingAdd<T>>::Output

Returns the sum of self and other, but saturates instead of overflowing.
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impl<S, T> SaturatingAdd for Luma<S, T>
where T: SaturatingAdd<Output = T>,

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type Output = Luma<S, T>

The resulting type.
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fn saturating_add( self, other: Luma<S, T>, ) -> <Luma<S, T> as SaturatingAdd>::Output

Returns the sum of self and other, but saturates instead of overflowing.
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impl<S, T> SaturatingSub<T> for Luma<S, T>
where T: SaturatingSub<Output = T> + Clone,

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type Output = Luma<S, T>

The resulting type.
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fn saturating_sub(self, c: T) -> <Luma<S, T> as SaturatingSub<T>>::Output

Returns the difference of self and other, but saturates instead of overflowing.
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impl<S, T> SaturatingSub for Luma<S, T>
where T: SaturatingSub<Output = T>,

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type Output = Luma<S, T>

The resulting type.
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fn saturating_sub( self, other: Luma<S, T>, ) -> <Luma<S, T> as SaturatingSub>::Output

Returns the difference of self and other, but saturates instead of overflowing.
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impl<S, T> Serialize for Luma<S, T>
where T: Serialize,

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fn serialize<__S>( &self, __serializer: __S, ) -> Result<<__S as Serializer>::Ok, <__S as Serializer>::Error>
where __S: Serializer,

Serialize this value into the given Serde serializer. Read more
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impl<S, T> Sub<T> for Luma<S, T>
where T: Sub<Output = T> + Clone,

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type Output = Luma<S, T>

The resulting type after applying the - operator.
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fn sub(self, c: T) -> <Luma<S, T> as Sub<T>>::Output

Performs the - operation. Read more
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impl<S, T> Sub for Luma<S, T>
where T: Sub<Output = T>,

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type Output = Luma<S, T>

The resulting type after applying the - operator.
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fn sub(self, other: Luma<S, T>) -> <Luma<S, T> as Sub>::Output

Performs the - operation. Read more
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impl<S, T> SubAssign<T> for Luma<S, T>
where T: SubAssign + Clone,

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fn sub_assign(&mut self, c: T)

Performs the -= operation. Read more
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impl<S, T> SubAssign for Luma<S, T>
where T: SubAssign,

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fn sub_assign(&mut self, other: Luma<S, T>)

Performs the -= operation. Read more
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impl<S> UintCast for Luma<S, u128>

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type Uint = u128

An unsigned integer with the same size as Self.
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impl<S> UintCast for Luma<S, u16>

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type Uint = u16

An unsigned integer with the same size as Self.
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impl<S> UintCast for Luma<S, u32>

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type Uint = u32

An unsigned integer with the same size as Self.
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impl<S> UintCast for Luma<S, u64>

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type Uint = u64

An unsigned integer with the same size as Self.
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impl<S> UintCast for Luma<S, u8>

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type Uint = u8

An unsigned integer with the same size as Self.
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impl<S, T> UlpsEq for Luma<S, T>
where T: UlpsEq,

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fn default_max_ulps() -> u32

The default ULPs to tolerate when testing values that are far-apart. Read more
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fn ulps_eq( &self, other: &Luma<S, T>, epsilon: <T as AbsDiffEq>::Epsilon, max_ulps: u32, ) -> bool

A test for equality that uses units in the last place (ULP) if the values are far apart.
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fn ulps_ne( &self, other: &Luma<S, T>, epsilon: <T as AbsDiffEq>::Epsilon, max_ulps: u32, ) -> bool

The inverse of UlpsEq::ulps_eq.
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impl<S, T> UpperHex for Luma<S, T>
where T: UpperHex,

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fn fmt(&self, f: &mut Formatter<'_>) -> Result<(), Error>

Formats the value using the given formatter. Read more
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impl<S, T> Wcag21RelativeContrast for Luma<S, T>
where S: LumaStandard<WhitePoint = D65>, T: Real + Add<Output = T> + Div<Output = T> + PartialCmp + MinMax, Luma<S, T>: IntoColor<Luma<Linear<D65>, T>>,

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type Scalar = T

The scalar type used for luminance and contrast.
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fn relative_luminance( self, ) -> Luma<Linear<D65>, <Luma<S, T> as Wcag21RelativeContrast>::Scalar>

Returns the WCAG 2.1 relative luminance of self. Read more
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fn relative_contrast(self, other: Self) -> Self::Scalar

Returns the WCAG 2.1 relative luminance contrast between self and other. Read more
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fn has_min_contrast_text( self, other: Self, ) -> <Self::Scalar as HasBoolMask>::Mask

Verify the contrast between two colors satisfies SC 1.4.3. Contrast is at least 4.5:1 (Level AA). Read more
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fn has_min_contrast_large_text( self, other: Self, ) -> <Self::Scalar as HasBoolMask>::Mask

Verify the contrast between two colors satisfies SC 1.4.3 for large text. Contrast is at least 3:1 (Level AA). Read more
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fn has_enhanced_contrast_text( self, other: Self, ) -> <Self::Scalar as HasBoolMask>::Mask

Verify the contrast between two colors satisfies SC 1.4.6. Contrast is at least 7:1 (Level AAA). Read more
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fn has_enhanced_contrast_large_text( self, other: Self, ) -> <Self::Scalar as HasBoolMask>::Mask

Verify the contrast between two colors satisfies SC 1.4.6 for large text. Contrast is at least 4.5:1 (Level AAA). Read more
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fn has_min_contrast_graphics( self, other: Self, ) -> <Self::Scalar as HasBoolMask>::Mask

Verify the contrast between two colors satisfies SC 1.4.11 for graphical objects. Contrast is at least 3:1 (Level AA). Read more
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impl<S, T, _A> WithAlpha<_A> for Luma<S, T>
where _A: Stimulus,

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type Color = Luma<S, T>

The opaque color type, without any transparency. Read more
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type WithAlpha = Alpha<Luma<S, T>, _A>

The color type with transparency applied. Read more
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fn with_alpha(self, alpha: _A) -> <Luma<S, T> as WithAlpha<_A>>::WithAlpha

Transforms the color into a transparent color with the provided alpha value. If Self already has a transparency, it is overwritten. Read more
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fn without_alpha(self) -> <Luma<S, T> as WithAlpha<_A>>::Color

Removes the transparency from the color. If Self::Color has an internal transparency field, that field will be set to A::max_intensity() to make it opaque. Read more
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fn split(self) -> (<Luma<S, T> as WithAlpha<_A>>::Color, _A)

Splits the color into separate color and transparency values. Read more
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fn opaque(self) -> Self::WithAlpha
where A: Stimulus,

Transforms the color into a fully opaque color with a transparency field. If Self already has a transparency, it is overwritten. Read more
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fn transparent(self) -> Self::WithAlpha
where A: Zero,

Transforms the color into a fully transparent color. If Self already has a transparency, it is overwritten. Read more
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impl<S, T> Copy for Luma<S, T>
where T: Copy,

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impl<S, T> Eq for Luma<S, T>
where T: Eq,

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impl<S, T> StimulusColor for Luma<S, T>
where T: Stimulus,