/* SPDX-License-Identifier: BSD-2-Clause */ /* * Copyright (C) 2019, Raspberry Pi (Trading) Limited * * contrast.hpp - contrast (gamma) control algorithm */ #pragma once #include <mutex> #include "../contrast_algorithm.hpp" #include "../pwl.hpp" namespace RPiController { // Back End algorithm to appaly correct digital gain. Should be placed after // Back End AWB. struct ContrastConfig { bool ce_enable; double lo_histogram; double lo_level; double lo_max; double hi_histogram; double hi_level; double hi_max; Pwl gamma_curve; }; class Contrast : public ContrastAlgorithm { public: Contrast(Controller *controller = NULL); char const *Name() const override; void Read(boost::property_tree::ptree const ¶ms) override; void SetBrightness(double brightness) override; void SetContrast(double contrast) override; void Initialise() override; void Prepare(Metadata *image_metadata) override; void Process(StatisticsPtr &stats, Metadata *image_metadata) override; private: ContrastConfig config_; double brightness_; double contrast_; ContrastStatus status_; std::mutex mutex_; }; } // namespace RPiController