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1 /*
2  * Copyright (c) 2025 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 OHOS_ROSEN_WINDOW_SCENE_SNAPSHOT_HELPER_H
17 #define OHOS_ROSEN_WINDOW_SCENE_SNAPSHOT_HELPER_H
18 
19 #include <string>
20 
21 #include <dm_common.h>
22 
23 namespace OHOS::Rosen {
24 namespace {
25 constexpr uint32_t SCREEN_UNKNOWN = 0;
26 constexpr uint32_t SCREEN_EXPAND = 1;
27 constexpr uint32_t SCREEN_FOLDED = 2;
28 constexpr uint32_t SCREEN_COUNT = 3;
29 constexpr uint32_t SNAPSHOT_PORTRAIT = 0;
30 constexpr uint32_t SNAPSHOT_LANDSCAPE = 1;
31 constexpr uint32_t ORIENTATION_COUNT = 2;
32 constexpr uint32_t PORTRAIT_ANGLE = 0;
33 constexpr uint32_t LANDSCAPE_ANGLE = 90;
34 constexpr uint32_t PORTRAIT_INVERTED_ANGLE = 180;
35 constexpr uint32_t LANDSCAPE_INVERTED_ANGLE = 270;
36 constexpr uint32_t ROTATION_ANGLE = 360;
37 constexpr uint32_t ROTATION_COUNT = 4;
38 constexpr uint32_t SECONDARY_EXPAND_OFFSET = 1;
39 }
40 using SnapshotStatus = std::pair<uint32_t, uint32_t>;
41 constexpr SnapshotStatus defaultStatus = { SCREEN_UNKNOWN, SNAPSHOT_PORTRAIT };
42 constexpr SnapshotStatus defaultCapacity = { SCREEN_EXPAND, SNAPSHOT_LANDSCAPE };
43 constexpr SnapshotStatus maxCapacity = { SCREEN_COUNT, ORIENTATION_COUNT };
44 
45 class WSSnapshotHelper {
46 public:
47     WSSnapshotHelper() = default;
48     ~WSSnapshotHelper() = default;
49     static uint32_t GetScreenStatus();
50     static uint32_t GetScreenStatus(FoldStatus foldStatus);
51     static DisplayOrientation GetDisplayOrientation(int32_t rotation);
GetOrientation(int32_t rotation)52     static inline uint32_t GetOrientation(int32_t rotation)
53     {
54         if (rotation == LANDSCAPE_ANGLE || rotation == LANDSCAPE_INVERTED_ANGLE) {
55             return SNAPSHOT_LANDSCAPE;
56         }
57         return SNAPSHOT_PORTRAIT;
58     }
59 
GetOrientation(DisplayOrientation displayOrientation)60     static inline uint32_t GetOrientation(DisplayOrientation displayOrientation)
61     {
62         if (displayOrientation == DisplayOrientation::LANDSCAPE ||
63             displayOrientation == DisplayOrientation::LANDSCAPE_INVERTED) {
64             return SNAPSHOT_LANDSCAPE;
65         }
66         return SNAPSHOT_PORTRAIT;
67     }
68 };
69 } // namespace OHOS::Rosen
70 
71 #endif // OHOS_ROSEN_WINDOW_SCENE_SNAPSHOT_HELPER_H