spectral_samples.h

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#pragma once
 
#include "Math/Color/color_enums.h"
#include "Math/Color/color_basics.h"
 
#include <Common/assertion.h>
 
#include <utility>
#include <cstddef>
 
namespace ph::math
{
 
template<typename T, CSpectralSampleProps SampleProps>
constexpr T wavelength_interval_of() noexcept;
 
template<typename T, CSpectralSampleProps SampleProps>
constexpr std::pair<T, T> wavelength_range_of(std::size_t sampleIndex) noexcept;
 
template<typename T, CSpectralSampleProps SampleProps = DefaultSpectralSampleProps>
T estimate_samples_energy(const TSpectralSampleValues<T, SampleProps>& srcSamples);
 
template<typename T, CSpectralSampleProps SampleProps = DefaultSpectralSampleProps>
TSpectralSampleValues<T, SampleProps> normalize_samples_energy(const TSpectralSampleValues<T, SampleProps>& srcSamples);
 
template<typename T, CSpectralSampleProps SampleProps = DefaultSpectralSampleProps>
constexpr TSpectralSampleValues<T, SampleProps> constant_spectral_samples(T constant);
 
template<typename T, typename U, CSpectralSampleProps SampleProps = DefaultSpectralSampleProps>
TSpectralSampleValues<T, SampleProps> resample_spectral_samples(
    const U*          wavelengthsNM,
    const U*          values,
    std::size_t       numPoints,
    ESpectralResample algorithm = ESpectralResample::Default);
 
 
template<typename T, CSpectralSampleProps SampleProps = DefaultSpectralSampleProps>
TSpectralSampleValues<T, SampleProps> resample_illuminant_E();
 
template<typename T, CSpectralSampleProps SampleProps = DefaultSpectralSampleProps>
TSpectralSampleValues<T, SampleProps> resample_illuminant_D65();
 
template<typename T, CSpectralSampleProps SampleProps = DefaultSpectralSampleProps>
TSpectralSampleValues<T, SampleProps> resample_black_body(T temperatureK);
 
template<typename T, CSpectralSampleProps SampleProps = DefaultSpectralSampleProps>
TSpectralSampleValues<T, SampleProps> resample_black_body_radiance(T temperatureK);
 
template<typename T, CSpectralSampleProps SampleProps = DefaultSpectralSampleProps>
TSpectralSampleValues<T, SampleProps> resample_black_body_spectral_radiance(T temperatureK);
 
template<typename T, CSpectralSampleProps SampleProps = DefaultSpectralSampleProps, EReferenceWhite NORMALIZER = EReferenceWhite::D65>
TTristimulusValues<T> spectral_samples_to_CIE_XYZ(const TSpectralSampleValues<T, SampleProps>& srcSamples, EColorUsage usage);
 
}// end namespace ph::math
 
#include "Math/Color/spectral_samples.ipp"