Struct Srgba8 

pub struct Srgba8 {
    pub r: u8,
    pub g: u8,
    pub b: u8,
    pub a: u8,
}

Non-linear sRGB+A color representation using 4 × u8 components.

Better suited for saving to the final graphics buffer.

Fields

r: u8

Gamma encoded red luminosity.

g: u8

Gamma encoded green luminosity.

b: u8

Gamma encoded blue luminosity.

a: u8

Linear alpha channel.

Implementations

impl Srgba8

pub fn to_notcurses(&self) -> Rgba

Available on crate feature notcurses only.

impl Srgba8

Constructors

pub const fn new(r: u8, g: u8, b: u8, a: u8) -> Srgba8

New Srgba8.

impl Srgba8

Direct conversions

pub fn from_array(c: [u8; 4]) -> Srgba8

Direct conversion from an array.

pub fn to_array(c: Srgba8) -> [u8; 4]

Direct conversion to an array.

pub fn from_tuple(c: (u8, u8, u8, u8)) -> Srgba8

Direct conversion from a tuple.

pub fn to_tuple(c: Srgba8) -> (u8, u8, u8, u8)

Direct conversion to a tuple.

pub fn from_srgb8(c: Srgb8, alpha: u8) -> Srgba8

Direct conversion from Srgb8.

Adds the alpha channel.

pub fn to_srgb8(&self) -> Srgb8

Direct conversion to Srgb8.

Loses the alpha channel.

pub fn from_srgb32(c: Srgb32, alpha: u8) -> Srgba8

Direct conversion from Srgb32.

Adds the alpha channel.

pub fn to_srgb32(&self) -> Srgb32

Direct conversion to Srgb32.

Loses the alpha channel.

pub fn from_srgba32(c: Srgba32) -> Srgba8

Direct conversion from Srgba32.

pub fn to_srgba32(&self) -> Srgba32

Direct conversion to Srgba32.

impl Srgba8

Indirect conversions

pub fn from_linear_srgb32(c: LinearSrgb32, alpha: u8) -> Srgba8

Available on crate features std or no_std only.

Indirect conversion from Srgb32.

Adds the alpha channel.

pub fn to_linear_srgb32(&self) -> LinearSrgb32

Available on crate features std or no_std only.

Indirect conversion to LinearSrgb32.

Loses the alpha channel.

pub fn from_linear_srgba32(c: LinearSrgba32) -> Srgba8

Available on crate features std or no_std only.

Indirect conversion from LinearSrgba32.

pub fn to_linear_srgba32(&self) -> LinearSrgba32

Available on crate features std or no_std only.

Indirect conversion to LinearSrgba32.

pub fn from_oklab32(c: Oklab32, alpha: u8) -> Srgba8

Available on crate features std or no_std only.

Indirect conversion from Oklab32.

Adds the alpha channel.

pub fn to_oklab32(&self) -> Oklab32

Available on crate features std or no_std only.

Indirect conversion to Oklab32.

Loses the alpha channel.

pub fn from_oklch32(c: Oklch32, alpha: u8) -> Srgba8

Available on crate features std or no_std only.

Indirect conversion from Oklch32.

Adds the alpha channel.

pub fn to_oklch32(&self) -> Oklch32

Available on crate features std or no_std only.

Indirect conversion to Oklch32.

Loses the alpha channel.

Trait Implementations

impl Clone for Srgba8

fn clone(&self) -> Srgba8

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Color for Srgba8

Available on crate features std or no_std only.

fn color_red(&self) -> Self::Inner

Returns the gamma corrected red luminosity.

fn color_green(&self) -> Self::Inner

Returns the gamma corrected green luminosity.

fn color_blue(&self) -> Self::Inner

Returns the gamma corrected blue luminosity.

fn color_alpha(&self) -> Self::Inner

Returns the linear alpha.

fn color_to_srgba8(&self) -> Srgba8

no-op.

type Inner = u8

The type of the inner color components.

fn color_to_array3(&self) -> [Self::Inner; 3]

Returns the 3 components, without alpha.

fn color_to_array4(&self) -> [Self::Inner; 4]

Returns the 4 components, with alpha.

fn color_luminosity(&self) -> Self::Inner

Returns the overall luminosity.

fn color_hue(&self) -> Self::Inner

Returns the hue.

fn color_to_srgb8(&self) -> Srgb8

Conversion to Srgb8.

fn color_to_srgb32(&self) -> Srgb32

Conversion to Srgb32.

fn color_to_srgba32(&self) -> Srgba32

Conversion to Srgba32.

fn color_to_linear_srgb32(&self) -> LinearSrgb32

Conversion to LinearSrgb32.

fn color_to_linear_srgba32(&self) -> LinearSrgba32

Conversion to LinearSrgba32.

fn color_to_oklab32(&self) -> Oklab32

Conversion to Oklab32.

fn color_to_oklch32(&self) -> Oklch32

Conversion to Oklch32.

impl Debug for Srgba8

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

Formats the value using the given formatter.

impl Default for Srgba8

fn default() -> Srgba8

Returns the “default value” for a type.

impl From<&Srgba8> for Rgba

Available on crate feature notcurses only.

fn from(c: &Srgba8) -> Rgba

Converts to this type from the input type.

impl From<Color> for Srgba8

Available on crate feature macroquad only.

fn from(c: Color) -> Srgba8

From macroquad’s Color.

impl From<Color> for Srgba8

Available on crate feature sdl2 only.

fn from(c: Color) -> Srgba8

From sdl2’s Color.

impl From<ColorU8> for Srgba8

Available on crate feature tiny-skia and (crate features std or no_std) only.

fn from(c: ColorU8) -> Srgba8

Converts to this type from the input type.

impl From<LinearSrgb32> for Srgba8

Available on crate features std or no_std only.

fn from(c: LinearSrgb32) -> Srgba8

Automatically adds alpha at max opacity.

impl From<LinearSrgba32> for Srgba8

Available on crate features std or no_std only.

fn from(c: LinearSrgba32) -> Srgba8

Converts to this type from the input type.

impl From<Oklab32> for Srgba8

Available on crate features std or no_std only.

fn from(c: Oklab32) -> Srgba8

Automatically adds alpha at max opacity.

impl From<PremultipliedColorU8> for Srgba8

Available on crate feature tiny-skia and (crate features std or no_std) only.

fn from(c: PmColorU8) -> Srgba8

Converts to this type from the input type.

impl From<Rgba<u8>> for Srgba8

Available on crate feature rgb only.

Convert rust-rgb’s RGBA<u8> type into Srgba8.

fn from(item: RGBA<u8>) -> Self

Converts to this type from the input type.

impl From<Rgba> for Srgba8

Available on crate feature notcurses only.

fn from(c: Rgba) -> Srgba8

Converts to this type from the input type.

impl From<Srgb32> for Srgba8

Available on crate features std or no_std only.

fn from(c: Srgb32) -> Srgba8

Automatically adds alpha at max opacity.

impl From<Srgb8> for Srgba8

Available on crate features std or no_std only.

fn from(c: Srgb8) -> Srgba8

Automatically adds alpha at max opacity.

impl From<Srgba8> for Color

Available on crate feature macroquad only.

fn from(c: Srgba8) -> Color

Into macroquad’s Color.

impl From<Srgba8> for Color

Available on crate feature sdl2 only.

fn from(c: Srgba8) -> Color

Into sdl2’s Color.

impl From<Srgba8> for ColorU8

Available on crate feature tiny-skia and (crate features std or no_std) only.

fn from(c: Srgba8) -> ColorU8

Converts to this type from the input type.

impl From<Srgba8> for Oklab32

Available on crate features std or no_std only.

fn from(c: Srgba8) -> Oklab32

Converts to this type from the input type.

impl From<Srgba8> for Oklch32

Available on crate features std or no_std only.

fn from(c: Srgba8) -> Oklch32

Converts to this type from the input type.

impl From<Srgba8> for PremultipliedColorU8

Available on crate feature tiny-skia and (crate features std or no_std) only.

fn from(c: Srgba8) -> PmColorU8

Converts to this type from the input type.

impl From<Srgba8> for Rgba

Available on crate feature notcurses only.

fn from(c: Srgba8) -> Rgba

Converts to this type from the input type.

impl From<Srgba8> for RGBA<u8>

Available on crate feature rgb only.

Convert Srgba8 into rust-rgb’s RGBA<u8> type.

fn from(item: Srgba8) -> Self

Converts to this type from the input type.

impl From<Srgba8> for Srgb32

Available on crate features std or no_std only.

fn from(c: Srgba8) -> Srgb32

Converts to this type from the input type.

impl From<Srgba8> for Srgb8

Available on crate features std or no_std only.

fn from(c: Srgba8) -> Srgb8

Converts to this type from the input type.

impl From<Srgba8> for Srgba32

Available on crate features std or no_std only.

fn from(c: Srgba8) -> Srgba32

Converts to this type from the input type.

impl Ord for Srgba8

fn cmp(&self, other: &Srgba8) -> Ordering

This method returns an Ordering between self and other.

fn max(self, other: Self) -> Self

where Self: Sized,

Compares and returns the maximum of two values.

fn min(self, other: Self) -> Self

where Self: Sized,

Compares and returns the minimum of two values.

fn clamp(self, min: Self, max: Self) -> Self

where Self: Sized,

Restrict a value to a certain interval.

impl PartialEq for Srgba8

fn eq(&self, other: &Srgba8) -> 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 PartialOrd for Srgba8

fn partial_cmp(&self, other: &Srgba8) -> Option<Ordering>

This method returns an ordering between self and other values if one exists.

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

Tests less than (for self and other) and is used by the < operator.

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

Tests less than or equal to (for self and other) and is used by the <= operator.

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

Tests greater than (for self and other) and is used by the > operator.

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

Tests greater than or equal to (for self and other) and is used by the >= operator.

impl ToColor for Srgba8

Available on crate feature sdl2 only.

fn as_rgba(&self) -> (u8, u8, u8, u8)

fn as_u32(&self) -> u32

impl Copy for Srgba8

impl Eq for Srgba8

impl StructuralPartialEq for Srgba8