Struct epaint::color::Rgba

pub struct Rgba(_);

0-1 linear space RGBA color with premultiplied alpha.

Implementations

impl Rgba

pub const TRANSPARENT: Rgba

pub const BLACK: Rgba

pub const WHITE: Rgba

pub const RED: Rgba

pub const GREEN: Rgba

pub const BLUE: Rgba

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

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

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

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

pub fn from_black_alpha(a: f32) -> Self

Transparent black

pub fn from_white_alpha(a: f32) -> Self

Transparent white

pub fn additive(self) -> Self

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

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

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

pub fn r(&self) -> f32

pub fn g(&self) -> f32

pub fn b(&self) -> f32

pub fn a(&self) -> f32

pub fn intensity(&self) -> f32

How perceptually intense (bright) is the color?

pub fn to_opaque(&self) -> Self

Returns an opaque version of self

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

Premultiplied RGBA

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

Premultiplied RGBA

Trait Implementations

impl Add<Rgba> for Rgba

type Output = Rgba

The resulting type after applying the + operator.

fn add(self, rhs: Rgba) -> Rgba

Performs the + operation.

impl Clone for Rgba

fn clone(&self) -> Rgba

Returns a copy of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for Rgba

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

Formats the value using the given formatter.

impl Default for Rgba

fn default() -> Rgba

Returns the “default value” for a type.

impl From<Color32> for Rgba

fn from(srgba: Color32) -> Rgba

Performs the conversion.

impl From<Hsva> for Rgba

fn from(hsva: Hsva) -> Rgba

Performs the conversion.

impl From<HsvaGamma> for Rgba

fn from(hsvag: HsvaGamma) -> Rgba

Performs the conversion.

impl From<Rgba> for Color32

fn from(rgba: Rgba) -> Color32

Performs the conversion.

impl From<Rgba> for Hsva

fn from(rgba: Rgba) -> Hsva

Performs the conversion.

impl From<Rgba> for HsvaGamma

fn from(rgba: Rgba) -> HsvaGamma

Performs the conversion.

impl Index<usize> for Rgba

type Output = f32

The returned type after indexing.

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

Performs the indexing (container[index]) operation.

impl IndexMut<usize> for Rgba

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

Performs the mutable indexing (container[index]) operation.

impl Mul<Rgba> for Rgba

type Output = Rgba

The resulting type after applying the * operator.

fn mul(self, other: Rgba) -> Rgba

Performs the * operation.

impl Mul<Rgba> for f32

type Output = Rgba

The resulting type after applying the * operator.

fn mul(self, rgba: Rgba) -> Rgba

Performs the * operation.

impl Mul<f32> for Rgba

type Output = Rgba

The resulting type after applying the * operator.

fn mul(self, factor: f32) -> Rgba

Performs the * operation.

impl PartialEq<Rgba> for Rgba

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

This method tests for self and other values to be equal, and is used by ==.

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

This method tests for !=.

impl Copy for Rgba

impl StructuralPartialEq for Rgba