Struct egui::Rgba

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#[repr(C)]
pub struct Rgba(pub(crate) [f32; 4]);
Expand description

0-1 linear space RGBA color with premultiplied alpha.

Tuple Fields§

§0: [f32; 4]

Implementations§

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impl Rgba

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pub const TRANSPARENT: Rgba = _

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pub const BLACK: Rgba = _

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pub const WHITE: Rgba = _

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pub const RED: Rgba = _

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pub const GREEN: Rgba = _

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pub const BLUE: Rgba = _

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pub const fn from_rgba_premultiplied(r: f32, g: f32, b: f32, a: f32) -> Rgba

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pub fn from_rgba_unmultiplied(r: f32, g: f32, b: f32, a: f32) -> Rgba

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pub fn from_srgba_premultiplied(r: u8, g: u8, b: u8, a: u8) -> Rgba

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pub fn from_srgba_unmultiplied(r: u8, g: u8, b: u8, a: u8) -> Rgba

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pub const fn from_rgb(r: f32, g: f32, b: f32) -> Rgba

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pub const fn from_gray(l: f32) -> Rgba

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pub fn from_luminance_alpha(l: f32, a: f32) -> Rgba

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pub fn from_black_alpha(a: f32) -> Rgba

Transparent black

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pub fn from_white_alpha(a: f32) -> Rgba

Transparent white

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pub fn additive(self) -> Rgba

Return an additive version of this color (alpha = 0)

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pub fn multiply(self, alpha: f32) -> Rgba

Multiply with e.g. 0.5 to make us half transparent

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pub fn r(&self) -> f32

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pub fn g(&self) -> f32

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pub fn b(&self) -> f32

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pub fn a(&self) -> f32

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pub fn intensity(&self) -> f32

How perceptually intense (bright) is the color?

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pub fn to_opaque(&self) -> Rgba

Returns an opaque version of self

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pub fn to_array(&self) -> [f32; 4]

Premultiplied RGBA

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pub fn to_tuple(&self) -> (f32, f32, f32, f32)

Premultiplied RGBA

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pub fn to_rgba_unmultiplied(&self) -> [f32; 4]

unmultiply the alpha

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

unmultiply the alpha

Trait Implementations§

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impl Add<Rgba> 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

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 From<Color32> for Rgba

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fn from(srgba: Color32) -> Rgba

Converts to this type from the input type.
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impl From<Hsva> for Rgba

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fn from(hsva: Hsva) -> Rgba

Converts to this type from the input type.
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impl From<HsvaGamma> for Rgba

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fn from(hsvag: HsvaGamma) -> Rgba

Converts to this type from the input type.
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impl From<Rgba> for Color32

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fn from(rgba: Rgba) -> Color32

Converts to this type from the input type.
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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 Index<usize> for Rgba

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type Output = f32

The returned type after indexing.
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fn index(&self, index: usize) -> &f32

Performs the indexing (container[index]) operation. Read more
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impl IndexMut<usize> for Rgba

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fn index_mut(&mut self, index: usize) -> &mut f32

Performs the mutable indexing (container[index]) operation. Read more
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impl Mul<Rgba> for Rgba

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type Output = Rgba

The resulting type after applying the * operator.
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fn mul(self, other: Rgba) -> Rgba

Performs the * operation. Read more
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impl Mul<f32> for Rgba

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type Output = Rgba

The resulting type after applying the * operator.
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fn mul(self, factor: f32) -> Rgba

Performs the * operation. Read more
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impl PartialEq<Rgba> for Rgba

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

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

This method tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.
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impl Zeroable for Rgba

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fn zeroed() -> Self

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impl Copy for Rgba

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impl Pod for Rgba

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impl StructuralPartialEq for Rgba

Auto Trait Implementations§

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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 Twhere 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> Borrow<T> for Twhere 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 Twhere 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> CheckedBitPattern for Twhere T: AnyBitPattern,

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type Bits = T

Self must have the same layout as the specified Bits except for the possible invalid bit patterns being checked during is_valid_bit_pattern.
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fn is_valid_bit_pattern(_bits: &T) -> bool

If this function returns true, then it must be valid to reinterpret bits as &Self.
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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, U> Into<U> for Twhere 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> ToOwned for Twhere 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, U> TryFrom<U> for Twhere 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 Twhere 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> AnyBitPattern for Twhere T: Pod,

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impl<T> NoUninit for Twhere T: Pod,

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impl<T> SerializableAny for Twhere T: 'static + Any + Clone + Send + Sync,