Struct zng_layout::unit::Rgba

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

RGB + alpha.

Equality

Equality is determined using about_eq with 0.00001 epsilon.

Fields

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

impl Rgba

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

where C: Into<RgbaComponent>, A: Into<RgbaComponent>,

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

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

where R: Into<RgbaComponent>,

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

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

where G: Into<RgbaComponent>,

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

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

where B: Into<RgbaComponent>,

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

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

where A: Into<RgbaComponent>,

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

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

where R: Into<RgbaComponent>,

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

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

where R: Into<RgbaComponent>,

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

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

where B: Into<RgbaComponent>,

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

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

where A: Into<RgbaComponent>,

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

pub fn transparent(self) -> Rgba

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

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

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

Trait Implementations

impl Add for Rgba

type Output = Rgba

The resulting type after applying the + operator.

fn add(self, rhs: Rgba) -> <Rgba as Add>::Output

Performs the + operation.

impl AddAssign for Rgba

fn add_assign(&mut self, rhs: 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<(), Error>

Formats the value using the given formatter.

impl Default for Rgba

fn default() -> Rgba

Returns the “default value” for a type.

impl<'de> Deserialize<'de> for Rgba

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

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Display for Rgba

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

Formats the value using the given formatter.

impl Hash for Rgba

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

where H: Hasher,

Feeds this value into the given Hasher.

fn hash_slice<H>(data: &[Self], state: &mut H)

where H: Hasher, Self: Sized,

Feeds a slice of this type into the given Hasher.

impl PartialEq 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: &Rhs) -> bool

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

impl Serialize for Rgba

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.

impl Sub for Rgba

type Output = Rgba

The resulting type after applying the - operator.

fn sub(self, rhs: Rgba) -> <Rgba as Sub>::Output

Performs the - operation.

impl SubAssign for Rgba

fn sub_assign(&mut self, rhs: Rgba)

Performs the -= operation.

impl Transitionable for Rgba

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

Sample the linear interpolation from self -> to by step.

impl Copy for Rgba