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25 lines
682 B
C++
25 lines
682 B
C++
/*
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* Copyright (c) 2022, Gregory Bertilson <zaggy1024@gmail.com>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#pragma once
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#include <LibGfx/Vector4.h>
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#include <LibMedia/Color/CodingIndependentCodePoints.h>
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namespace Media {
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class TransferCharacteristicsConversion {
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public:
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static float to_linear_luminance(float value, TransferCharacteristics transfer_function);
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static float to_non_linear_luminance(float value, TransferCharacteristics transfer_function);
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// https://en.wikipedia.org/wiki/Hybrid_log-gamma
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// See "HLG reference OOTF"
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static FloatVector4 hlg_opto_optical_transfer_function(FloatVector4 const& vector, float gamma, float gain);
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};
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}
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