1 /*
2  * Copyright (c) 2023-2023 Huawei Device Co., Ltd.
3  * Licensed under the Apache License, Version 2.0 (the "License");
4  * you may not use this file except in compliance with the License.
5  * You may obtain a copy of the License at
6  *
7  *     http://www.apache.org/licenses/LICENSE-2.0
8  *
9  * Unless required by applicable law or agreed to in writing, software
10  * distributed under the License is distributed on an "AS IS" BASIS,
11  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12  * See the License for the specific language governing permissions and
13  * limitations under the License.
14  */
15 
16 #ifndef BRIGHTNESS_CALCULATION_CURVE_H
17 #define BRIGHTNESS_CALCULATION_CURVE_H
18 
19 #include <cstdint>
20 #include <mutex>
21 #include <unordered_map>
22 #include <vector>
23 
24 #include "brightness_base.h"
25 #include "config_parser.h"
26 
27 namespace OHOS {
28 namespace DisplayPowerMgr {
29 class BrightnessCalculationCurve {
30 public:
31     BrightnessCalculationCurve() = default;
32     BrightnessCalculationCurve(const BrightnessCalculationCurve&) = delete;
33     BrightnessCalculationCurve& operator=(const BrightnessCalculationCurve&) = delete;
34     BrightnessCalculationCurve(BrightnessCalculationCurve&&) = delete;
35     BrightnessCalculationCurve& operator=(BrightnessCalculationCurve&&) = delete;
36 
37     void InitParameters();
38     float GetCurrentBrightness(float lux);
39     void UpdateCurveAmbientLux(float lux);
40     void UpdateCurrentUserId(int userId);
41     int GetDisplayIdWithDisplayMode(int displayMode);
42     int GetSensorIdWithDisplayMode(int displayMode);
43     int GetDisplayIdWithFoldstatus(int foldStatus);
44     int GetSensorIdWithFoldstatus(int foldStatus);
45 private:
46     static const uint32_t DEFAULT_DISPLAY_ID = 0;
47     static const uint32_t DEFAULT_SENSOR_ID = 5;
48 
49     float GetBrightnessCurveLevel(std::vector<PointXy>& linePointsList, float lux);
50 
51     Config mCurveConfig{};
52     uint32_t mDisplayId {0};
53     float mDefaultBrightness {100.0f};
54     float mCurveAmbientLux {0.0f};
55     int mCurrentUserId {0};
56     ScreenConfig mScreenConfig{};
57 };
58 
59 } // namespace DisplayPowerMgr
60 } // namespace OHOS
61 
62 #endif // BRIGHTNESS_CALCULATION_CURVE_H
63 
64