Struct Srgba 

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

A unified sRGBA color type for use across all render backends.

Srgba provides a single type that can create colors for any renderer: SVG (CSS hex), ANSI (escape codes), EPS/PDF (0.0–1.0 arrays), image (Rgba<u8>).

Example

use qrcode_render::colors::Srgba;

let c = Srgba::from_hex("#ff0080").unwrap();
assert_eq!(c.to_hex(), "#ff0080");
assert_eq!(c.to_css(), "rgba(255,0,128,255)");
let arr = c.to_array();
assert!((arr[0] - 1.0).abs() < 0.001);

Fields

r: u8

Red component.

g: u8

Green component.

b: u8

Blue component.

a: u8

Alpha component (0 = transparent, 255 = opaque).

Implementations

impl Srgba

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

Creates a new sRGBA color.

pub const fn rgb(r: u8, g: u8, b: u8) -> Self

Creates a fully opaque sRGBA color.

pub fn from_hex(hex: &str) -> Option<Self>

Parses a hex color string (#rgb, #rgba, #rrggbb, #rrggbbaa).

pub fn to_hex(self) -> String

Converts to a CSS hex string (e.g., "#ff0080" or "#ff0080c0" if alpha < 255).

pub fn to_css(self) -> String

Converts to a CSS rgba() function string.

pub fn to_ansi_fg(self) -> String

Converts to an ANSI foreground escape sequence (\x1b[38;2;R;G;Bm).

pub fn to_ansi_bg(self) -> String

Converts to an ANSI background escape sequence (\x1b[48;2;R;G;Bm).

pub fn to_array(self) -> [f64; 3]

Converts to a [f64; 3] array with values in 0.0–1.0, suitable for EPS/PDF renderers.

pub fn lerp(self, other: Self, t: f32) -> Self

Linearly interpolates between self and other.

t = 0.0 returns self, t = 1.0 returns other.

Trait Implementations

impl Clone for Srgba

fn clone(&self) -> Srgba

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Copy for Srgba

impl Debug for Srgba

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

Formats the value using the given formatter.

impl Eq for Srgba

impl From<(u8, u8, u8)> for Srgba

fn from((r, g, b): (u8, u8, u8)) -> Self

Converts to this type from the input type.

impl From<(u8, u8, u8, u8)> for Srgba

fn from((r, g, b, a): (u8, u8, u8, u8)) -> Self

Converts to this type from the input type.

impl From<RgbColor> for Srgba

fn from(color: RgbColor) -> Self

Converts to this type from the input type.

impl From<Srgba> for RgbColor

fn from(color: Srgba) -> Self

Converts to this type from the input type.

impl From<Srgba> for (u8, u8, u8, u8)

fn from(c: Srgba) -> Self

Converts to this type from the input type.

impl PartialEq for Srgba

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

Equality operator ==.

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

Inequality operator !=.

impl StructuralPartialEq for Srgba