chromium/third_party/material_color_utilities/src/cpp/cam/viewing_conditions.h

/*
 * Copyright 2022 Google LLC
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#ifndef CPP_CAM_VIEWING_CONDITIONS_H_
#define CPP_CAM_VIEWING_CONDITIONS_H_

namespace material_color_utilities {

struct ViewingConditions { … };

ViewingConditions CreateViewingConditions(const double white_point[3],
                                          const double adapting_luminance,
                                          const double background_lstar,
                                          const double surround,
                                          const bool discounting_illuminant);

ViewingConditions DefaultWithBackgroundLstar(const double background_lstar);

static const ViewingConditions kDefaultViewingConditions = …;

}  // namespace material_color_utilities
#endif  // CPP_CAM_VIEWING_CONDITIONS_H_