linear_srgb/
default.rs

1//! Recommended API for sRGB ↔ linear conversion.
2//!
3//! This module re-exports the optimal implementation for each use case:
4//!
5//! - **Single f32 values**: Rational polynomial (~14 ULP max, perfectly
6//!   monotonic — no `powf`)
7//! - **Single u8/u16 values**: LUT lookup (zero math)
8//! - **Slices**: SIMD-accelerated with runtime CPU dispatch
9//! - **Custom gamma**: Pure power function (f32, slices)
10//!
11//! For exact `powf()` conversions with C0-continuous constants, see [`crate::precise`].
12//!
13//! # Quick Start
14//!
15//! ```rust
16//! use linear_srgb::default::{srgb_to_linear, linear_to_srgb};
17//!
18//! let linear = srgb_to_linear(0.5);
19//! let srgb = linear_to_srgb(linear);
20//! ```
21//!
22//! # Batch Processing
23//!
24//! ```rust
25//! use linear_srgb::default::{srgb_to_linear_slice, linear_to_srgb_slice};
26//!
27//! let mut values = vec![0.5f32; 10000];
28//! srgb_to_linear_slice(&mut values);  // SIMD-accelerated
29//! linear_to_srgb_slice(&mut values);
30//! ```
31
32// ============================================================================
33// Single-value sRGB f32 (rational polynomial — fast, ≤14 ULP, monotonic)
34// ============================================================================
35
36pub use crate::rational_poly::{
37    linear_to_srgb_fast as linear_to_srgb, srgb_to_linear_fast as srgb_to_linear,
38};
39
40// ============================================================================
41// Single-value sRGB integer (LUT lookup — zero math)
42// ============================================================================
43
44pub use crate::scalar::{
45    linear_to_srgb_u8, linear_to_srgb_u16, srgb_u8_to_linear, srgb_u16_to_linear,
46};
47
48// ============================================================================
49// Slice functions (SIMD-dispatched)
50// ============================================================================
51
52pub use crate::simd::{
53    // Custom gamma slices
54    gamma_to_linear_slice,
55    linear_to_gamma_slice,
56    // f32 RGBA slices (alpha-preserving)
57    linear_to_srgb_rgba_slice,
58    // f32 slices (in-place)
59    linear_to_srgb_slice,
60    linear_to_srgb_u8_rgba_slice,
61    // u8 slices
62    linear_to_srgb_u8_slice,
63    linear_to_srgb_u16_rgba_slice,
64    // u16 slices
65    linear_to_srgb_u16_slice,
66    // f32 RGBA slices (alpha-preserving)
67    srgb_to_linear_rgba_slice,
68    // f32 slices (in-place)
69    srgb_to_linear_slice,
70    srgb_u8_to_linear_rgba_slice,
71    // u8 slices
72    srgb_u8_to_linear_slice,
73    srgb_u16_to_linear_rgba_slice,
74    // u16 slices
75    srgb_u16_to_linear_slice,
76};
77
78// ============================================================================
79// Custom gamma (scalar)
80// ============================================================================
81
82pub use crate::scalar::{gamma_to_linear, linear_to_gamma};
83
84// ============================================================================
85// Transfer functions (behind `transfer` feature)
86// ============================================================================
87
88#[cfg(feature = "transfer")]
89pub use crate::tf::{
90    bt709_to_linear, hlg_to_linear, linear_to_bt709, linear_to_hlg, linear_to_pq, pq_to_linear,
91};
92
93// ============================================================================
94// LUT converter (zero-cost const tables)
95// ============================================================================
96
97pub use crate::lut::SrgbConverter;
linear_srgb/default.rs

linear_srgb/
default.rs
