zng_layout::unit

Struct Rgba

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#[repr(C)]
pub struct Rgba { pub red: f32, pub green: f32, pub blue: f32, pub alpha: f32, }
Expand description

RGB + alpha.

§Equality

Equality is determined using about_eq with 0.00001 epsilon.

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§red: f32

Red channel value, in the [0.0..=1.0] range.

§green: f32

Green channel value, in the [0.0..=1.0] range.

§blue: f32

Blue channel value, in the [0.0..=1.0] range.

§alpha: f32

Alpha channel value, in the [0.0..=1.0] range.

Implementations§

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impl Rgba

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pub fn new<C, A>(red: C, green: C, blue: C, alpha: A) -> Rgba

New from RGB of a the same type and A that can be of a different type.

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pub fn set_red<R>(&mut self, red: R)
where R: Into<RgbaComponent>,

Set the red component from any type that converts to RgbaComponent.

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pub fn set_green<G>(&mut self, green: G)
where G: Into<RgbaComponent>,

Set the green component from any type that converts to RgbaComponent.

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pub fn set_blue<B>(&mut self, blue: B)
where B: Into<RgbaComponent>,

Set the blue component from any type that converts to RgbaComponent.

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pub fn set_alpha<A>(&mut self, alpha: A)
where A: Into<RgbaComponent>,

Set the alpha component from any type that converts to RgbaComponent.

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pub fn with_red<R>(self, red: R) -> Rgba
where R: Into<RgbaComponent>,

Returns a copy of the color with a new red value.

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pub fn with_green<R>(self, green: R) -> Rgba
where R: Into<RgbaComponent>,

Returns a copy of the color with a new green value.

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pub fn with_blue<B>(self, blue: B) -> Rgba
where B: Into<RgbaComponent>,

Returns a copy of the color with a new blue value.

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pub fn with_alpha<A>(self, alpha: A) -> Rgba
where A: Into<RgbaComponent>,

Returns a copy of the color with a new alpha value.

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pub fn transparent(self) -> Rgba

Returns a copy of the color with the alpha set to 0.

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pub fn to_bytes(self) -> [u8; 4]

Convert a copy to [R, G, B, A] bytes.

Trait Implementations§

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impl Add for Rgba

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type Output = Rgba

The resulting type after applying the + operator.
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fn add(self, rhs: Rgba) -> <Rgba as Add>::Output

Performs the + operation. Read more
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impl AddAssign for Rgba

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fn add_assign(&mut self, rhs: Rgba)

Performs the += operation. Read more
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impl Clone for Rgba

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fn clone(&self) -> Rgba

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 Debug for Rgba

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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 Default for Rgba

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fn default() -> Rgba

Returns the “default value” for a type. Read more
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impl<'de> Deserialize<'de> for Rgba

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fn deserialize<__D>( __deserializer: __D, ) -> Result<Rgba, <__D as Deserializer<'de>>::Error>
where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer. Read more
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impl Display for Rgba

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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 Hash for Rgba

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fn hash<H>(&self, state: &mut H)
where H: Hasher,

Feeds this value into the given Hasher. Read more
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fn hash_slice<H>(data: &[Self], state: &mut H)
where H: Hasher, Self: Sized,

Feeds a slice of this type into the given Hasher. Read more
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impl PartialEq for Rgba

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fn eq(&self, other: &Rgba) -> 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 Serialize for Rgba

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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 Sub for Rgba

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type Output = Rgba

The resulting type after applying the - operator.
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fn sub(self, rhs: Rgba) -> <Rgba as Sub>::Output

Performs the - operation. Read more
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impl SubAssign for Rgba

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fn sub_assign(&mut self, rhs: Rgba)

Performs the -= operation. Read more
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impl Transitionable for Rgba

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fn lerp(self, to: &Rgba, step: Factor) -> Rgba

Sample the linear interpolation from self -> to by step.
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impl Copy for Rgba

Auto Trait Implementations§

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impl Freeze for Rgba

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impl RefUnwindSafe for Rgba

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impl Send for Rgba

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impl Sync for Rgba

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impl Unpin for Rgba

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impl UnwindSafe for Rgba

Blanket Implementations§

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impl<T> Any for T
where T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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impl<T> AnyVarValue for T
where T: VarValue,

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fn as_any(&self) -> &(dyn Any + 'static)

Access to dyn Any methods.
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fn as_any_mut(&mut self) -> &mut (dyn Any + 'static)

Access to mut dyn Any methods.
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fn clone_boxed(&self) -> Box<dyn AnyVarValue>

Clone the value.
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fn clone_boxed_var(&self) -> Box<dyn AnyVar>

Clone the value into a new boxed LocalVar<Self>.
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fn into_any(self: Box<T>) -> Box<dyn Any>

Access to Box<dyn Any> methods.
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fn eq_any(&self, other: &(dyn AnyVarValue + 'static)) -> bool

Gets if self equals other.
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impl<T> Borrow<T> for T
where T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for T
where T: ?Sized,

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

Mutably borrows from an owned value. Read more
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impl<T> CloneToUninit for T
where T: Clone,

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unsafe fn clone_to_uninit(&self, dst: *mut T)

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dst. Read more
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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T> Instrument for T

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fn instrument(self, span: Span) -> Instrumented<Self>

Instruments this type with the provided [Span], returning an Instrumented wrapper. Read more
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fn in_current_span(self) -> Instrumented<Self>

Instruments this type with the current Span, returning an Instrumented wrapper. Read more
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impl<T, U> Into<U> for T
where U: From<T>,

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fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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impl<T> IntoEither for T

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fn into_either(self, into_left: bool) -> Either<Self, Self>

Converts self into a Left variant of Either<Self, Self> if into_left is true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more
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fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>
where F: FnOnce(&Self) -> bool,

Converts self into a Left variant of Either<Self, Self> if into_left(&self) returns true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more
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impl<T> IntoVar<T> for T
where T: VarValue,

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type Var = LocalVar<T>

Variable type that will wrap the T value. Read more
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fn into_var(self) -> <T as IntoVar<T>>::Var

Converts the source value into a var.
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fn into_boxed_var(self) -> Box<dyn VarBoxed<T>>
where Self: Sized,

Converts into BoxedVar<T>. Read more
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impl<T> Pointable for T

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const ALIGN: usize = _

The alignment of pointer.
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type Init = T

The type for initializers.
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unsafe fn init(init: <T as Pointable>::Init) -> usize

Initializes a with the given initializer. Read more
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unsafe fn deref<'a>(ptr: usize) -> &'a T

Dereferences the given pointer. Read more
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unsafe fn deref_mut<'a>(ptr: usize) -> &'a mut T

Mutably dereferences the given pointer. Read more
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unsafe fn drop(ptr: usize)

Drops the object pointed to by the given pointer. Read more
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impl<T> ToOwned for T
where T: Clone,

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type Owned = T

The resulting type after obtaining ownership.
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fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more
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fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more
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impl<T> ToString for T
where T: Display + ?Sized,

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default fn to_string(&self) -> String

Converts the given value to a String. Read more
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impl<T> ToTxt for T
where T: ToString,

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fn to_txt(&self) -> Txt

Converts the given value to an owned Txt. Read more
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impl<T, U> TryFrom<U> for T
where U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.
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impl<T> WithSubscriber for T

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fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self>
where S: Into<Dispatch>,

Attaches the provided Subscriber to this type, returning a [WithDispatch] wrapper. Read more
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fn with_current_subscriber(self) -> WithDispatch<Self>

Attaches the current default Subscriber to this type, returning a [WithDispatch] wrapper. Read more
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impl<T> DeserializeOwned for T
where T: for<'de> Deserialize<'de>,

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impl<T> IntoValue<T> for T
where T: VarValue,

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impl<T> VarValue for T
where T: Debug + Clone + PartialEq + Any + Send + Sync,