Enum ToneMapOperator 

pub enum ToneMapOperator {
    Clamp,
    ReinhardGlobal,
    ReinhardLocal,
    AcesFilmic,
    Hable,
    PqToSdr,
}

Selection of tone-mapping operator applied by HdrToneMapper.

Variants

Clamp

Hard clamp to [0, 1]. No artistic rolloff; only useful as a reference.

ReinhardGlobal

Reinhard (2002) global operator applied per channel independently.

Formula: y = x / (1 + x) — maps [0, ∞) → [0, 1).

ReinhardLocal

Luminance-domain Reinhard. The tone curve is applied to the luminance channel only; RGB ratios are then restored, preserving hue and saturation.

AcesFilmic

ACES approximation by Narkowicz (2015).

y = x(2.51x + 0.03) / (x(2.43x + 0.59) + 0.14)

Hable

Hable / Uncharted 2 filmic tone curve (John Hable, 2010).

PqToSdr

Full Perceptual Quantizer (ST.2084) → SDR pipeline.

Converts PQ-encoded signal through linear-light space, applies a luminance-domain Reinhard with configurable peak / white point, then applies BT.709 OETF. Suitable for HDR10 → SDR conversion.

Trait Implementations

impl Clone for ToneMapOperator

fn clone(&self) -> ToneMapOperator

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for ToneMapOperator

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

Formats the value using the given formatter.

impl Default for ToneMapOperator

fn default() -> ToneMapOperator

Returns the “default value” for a type.

impl PartialEq for ToneMapOperator

fn eq(&self, other: &ToneMapOperator) -> 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 Copy for ToneMapOperator

impl Eq for ToneMapOperator

impl StructuralPartialEq for ToneMapOperator