Struct zng_color::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 From<Hsla> for Rgba

fn from(hsla: Hsla) -> Self

Converts to this type from the input type.

impl From<Hsva> for Rgba

fn from(hsva: Hsva) -> Self

Converts to this type from the input type.

impl From<PreMulRgba> for Rgba

fn from(c: PreMulRgba) -> Self

Converts to this type from the input type.

impl From<Rgba> for ColorStop

fn from(positional_color: Rgba) -> Self

Converts to this type from the input type.

impl From<Rgba> for GradientStop

fn from(positional_color: Rgba) -> Self

Conversion to positional color.

impl From<Rgba> for Hsla

fn from(rgba: Rgba) -> Self

Converts to this type from the input type.

impl From<Rgba> for Hsva

fn from(rgba: Rgba) -> Self

Converts to this type from the input type.

impl From<Rgba> for LightDark

fn from(color: Rgba) -> Self

From same color to both.

impl From<Rgba> for PreMulRgba

fn from(c: Rgba) -> Self

Converts to this type from the input type.

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 IntoVar<ColorStop> for Rgba

type Var = LocalVar<ColorStop>

Variable type that will wrap the T value.

fn into_var(self) -> Self::Var

Converts the source value into a var.

fn into_boxed_var(self) -> Box<dyn VarBoxed<T>>

where Self: Sized,

Converts into BoxedVar<T>.

impl IntoVar<GradientStop> for Rgba

fn into_var(self) -> Self::Var

Conversion to positional color.

type Var = LocalVar<GradientStop>

Variable type that will wrap the T value.

fn into_boxed_var(self) -> Box<dyn VarBoxed<T>>

where Self: Sized,

Converts into BoxedVar<T>.

impl IntoVar<Hsla> for Rgba

type Var = LocalVar<Hsla>

Variable type that will wrap the T value.

fn into_var(self) -> Self::Var

Converts the source value into a var.

fn into_boxed_var(self) -> Box<dyn VarBoxed<T>>

where Self: Sized,

Converts into BoxedVar<T>.

impl IntoVar<Hsva> for Rgba

type Var = LocalVar<Hsva>

Variable type that will wrap the T value.

fn into_var(self) -> Self::Var

Converts the source value into a var.

fn into_boxed_var(self) -> Box<dyn VarBoxed<T>>

where Self: Sized,

Converts into BoxedVar<T>.

impl IntoVar<LightDark> for Rgba

fn into_var(self) -> Self::Var

From same color to both.

type Var = LocalVar<LightDark>

Variable type that will wrap the T value.

fn into_boxed_var(self) -> Box<dyn VarBoxed<T>>

where Self: Sized,

Converts into BoxedVar<T>.

impl IntoVar<PreMulRgba> for Rgba

type Var = LocalVar<PreMulRgba>

Variable type that will wrap the T value.

fn into_var(self) -> Self::Var

Converts the source value into a var.

fn into_boxed_var(self) -> Box<dyn VarBoxed<T>>

where Self: Sized,

Converts into BoxedVar<T>.

impl IntoVar<Rgba> for Hsla

type Var = LocalVar<Rgba>

Variable type that will wrap the T value.

fn into_var(self) -> Self::Var

Converts the source value into a var.

fn into_boxed_var(self) -> Box<dyn VarBoxed<T>>

where Self: Sized,

Converts into BoxedVar<T>.

impl IntoVar<Rgba> for Hsva

type Var = LocalVar<Rgba>

Variable type that will wrap the T value.

fn into_var(self) -> Self::Var

Converts the source value into a var.

fn into_boxed_var(self) -> Box<dyn VarBoxed<T>>

where Self: Sized,

Converts into BoxedVar<T>.

impl IntoVar<Rgba> for LightDark

type Var = ContextualizedVar<Rgba>

Variable type that will wrap the T value.

fn into_var(self) -> Self::Var

Converts the source value into a var.

fn into_boxed_var(self) -> Box<dyn VarBoxed<T>>

where Self: Sized,

Converts into BoxedVar<T>.

impl IntoVar<Rgba> for PreMulRgba

type Var = LocalVar<Rgba>

Variable type that will wrap the T value.

fn into_var(self) -> Self::Var

Converts the source value into a var.

fn into_boxed_var(self) -> Box<dyn VarBoxed<T>>

where Self: Sized,

Converts into BoxedVar<T>.

impl MixAdjust for Rgba

fn mix_normal(self, background: Self) -> Self

MixAdjust background over self using the MixBlendMode::Normal.

fn mix_multiply(self, background: Self) -> Self

MixAdjust background over self using the MixBlendMode::Multiply.

fn mix_screen(self, background: Self) -> Self

MixAdjust background over self using the MixBlendMode::Screen.

fn mix_overlay(self, background: Self) -> Self

MixAdjust background over self using the MixBlendMode::Overlay.

fn mix_darken(self, background: Self) -> Self

MixAdjust background over self using the MixBlendMode::Darken.

fn mix_lighten(self, background: Self) -> Self

MixAdjust background over self using the MixBlendMode::Lighten.

fn mix_colordodge(self, background: Self) -> Self

MixAdjust background over self using the MixBlendMode::ColorDodge.

fn mix_colorburn(self, background: Self) -> Self

MixAdjust background over self using the MixBlendMode::ColorBurn.

fn mix_hardlight(self, background: Self) -> Self

MixAdjust background over self using the MixBlendMode::HardLight.

fn mix_softlight(self, background: Self) -> Self

MixAdjust background over self using the MixBlendMode::SoftLight.

fn mix_difference(self, background: Self) -> Self

MixAdjust background over self using the MixBlendMode::Difference.

fn mix_exclusion(self, background: Self) -> Self

MixAdjust background over self using the MixBlendMode::Exclusion.

fn mix_hue(self, background: Self) -> Self

MixAdjust self over background using the MixBlendMode::Hue`.

fn mix_saturation(self, background: Self) -> Self

MixAdjust self over background using the MixBlendMode::Saturation`.

fn mix_color(self, background: Self) -> Self

MixAdjust self over background using the MixBlendMode::Color`.

fn mix_luminosity(self, background: Self) -> Self

MixAdjust self over background using the MixBlendMode::Luminosity`.

fn lighten<A: Into<Factor>>(self, amount: A) -> Self

Adds the amount to the color lightness.

fn darken<A: Into<Factor>>(self, amount: A) -> Self

Subtracts the amount from the color lightness.

fn desaturate<A: Into<Factor>>(self, amount: A) -> Self

Subtracts the amount from the color saturation.

fn with_lightness<L: Into<Factor>>(self, lightness: L) -> Self

Returns a copy of this color with a new lightness.

fn mix(self, mode: MixBlendMode, background: Self) -> Self

where Self: Sized,

MixAdjust background over self using the mode.

impl PartialEq for Rgba

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

Tests for self and other values to be equal, and is used by ==.

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

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

impl IntoValue<ColorStop> for Rgba

impl IntoValue<GradientStop> for Rgba

impl IntoValue<Hsla> for Rgba

impl IntoValue<Hsva> for Rgba

impl IntoValue<LightDark> for Rgba

impl IntoValue<PreMulRgba> for Rgba

impl IntoValue<Rgba> for Hsla

impl IntoValue<Rgba> for Hsva

impl IntoValue<Rgba> for PreMulRgba