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_BASE_H
17 #define BRIGHTNESS_BASE_H
18
19 #include <ctime>
20 #include <cmath>
21 #include <string>
22
23 namespace OHOS {
24 namespace DisplayPowerMgr {
25
26 constexpr uint32_t DEFAULT_DISPLAY_ID = 0;
27 constexpr uint32_t OUTTER_SCREEN_DISPLAY_ID = 5;
28 const float EPSILON = 0.0000001f;
29 const int MSECPERSEC = 1000;
30 const int NSECPERMSEC = 1000000;
31
32 enum class BrightnessFilterMode {
33 MEAN_FILTER = 0,
34 WEIGHT_FILTER,
35 FITLER_END
36 };
37
38 enum class BrightnessSceneMode {
39 MODE_DEFAULT = 0,
40 MODE_GAME,
41 MODE_VIDEO,
42 SCENCE_END
43 };
44
45 enum class BrightnessModeState {
46 CAMERA_MODE,
47 GAME_MODE,
48 DEFAULT_MODE
49 };
50
GetCurrentTimeMillis()51 inline int64_t GetCurrentTimeMillis()
52 {
53 struct timespec val {};
54 if (clock_gettime(CLOCK_BOOTTIME, &val) == 0) {
55 return static_cast<int64_t>(val.tv_sec) * MSECPERSEC + val.tv_nsec / NSECPERMSEC;
56 }
57 return 0;
58 }
59
IsEqualF(float a,float b)60 inline bool IsEqualF(float a, float b)
61 {
62 return fabs(a - b) < EPSILON;
63 }
64 } // namespace BrightnessPowerMgr
65 } // namespace OHOS
66 #endif // BRIGHTNESS_BASE_H