pixel_formats 0.1.5

Types for various pixel formats.
Documentation 
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//#![no_std] // needed for f32 functions. TODO: pull in libm or something?
#![allow(nonstandard_style)]

//! Structs for various pixels formats.
//!
//! Format types expose public fields where possible, though formats with
//! bitpacked data must use accessor methods.
//!
//! The docs for each type have notes on the appropriate constants to let that
//! type be used with GL or VK.

mod _1field;
mod _3field;
mod _4field;

pub use _1field::*;
pub use _3field::*;
pub use _4field::*;

#[cfg(feature = "bitfrob")]
mod _3packed;
#[cfg(feature = "bitfrob")]
pub use _3packed::*;

/// Converts a `u8` sRGB encoded value into linear `f32` form.
#[inline]
#[must_use]
pub fn srgb_u8_to_linear_f32(u: u8) -> f32 {
  fast_srgb8::srgb8_to_f32(u)
}

/// Converts a linear `f32` value into a `u8` sRGB encoded value.
#[inline]
#[must_use]
pub fn linear_f32_to_srgb_u8(f: f32) -> u8 {
  fast_srgb8::f32_to_srgb8(f)
}