1 /*
2  * Copyright (C) 2019 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 #ifndef ANDROID_SERVERS_COORDINATEMAPPER_H
18 #define ANDROID_SERVERS_COORDINATEMAPPER_H
19 
20 #include <algorithm>
21 #include <array>
22 #include <com_android_internal_camera_flags.h>
23 #include <set>
24 
25 namespace android {
26 
27 namespace camera3 {
28 
29 namespace flags = com::android::internal::camera::flags;
30 
31 class CoordinateMapper {
32 public:
33     // The result metadata tags that are to be re-mapped
getRemappedKeys()34     const std::set<uint32_t>& getRemappedKeys() const {
35         return mRemappedKeys;
36     }
37 
38     virtual ~CoordinateMapper() = default;
39 
40 protected:
41     // Metadata tags containing 2D coordinates to be corrected.
42 
43     // Both capture request and result
44     static const std::array<uint32_t, 3> kMeteringRegionsToCorrect;
45 
46     // Both capture request and result
47     static const std::array<uint32_t, 1> kRectsToCorrect;
48 
49     // Only for capture results; don't clamp
50     static const std::array<uint32_t, 2> kResultPointsToCorrectNoClamp;
51 
52     virtual void initRemappedKeys() = 0;
53     std::set<uint32_t> mRemappedKeys;
54 
55 }; // class CoordinateMapper
56 
57 } // namespace camera3
58 
59 } // namespace android
60 
61 #endif
62