1 /*
2  * Copyright (C) 2021 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_UHRCROP_REGIONS_MAPPER_H
18 #define ANDROID_SERVERS_UHRCROP_REGIONS_MAPPER_H
19 
20 #include <utils/Errors.h>
21 #include <array>
22 
23 #include "camera/CameraMetadata.h"
24 
25 namespace android {
26 
27 namespace camera3 {
28 
29 /**
30  * Utilities to transform SCALER_CROP_REGION and metering regions for ultra high
31  * resolution sensors.
32  */
33 class UHRCropAndMeteringRegionMapper {
34  public:
35     UHRCropAndMeteringRegionMapper() = default;
36     UHRCropAndMeteringRegionMapper(const CameraMetadata &deviceInfo, bool usePreCorrectionArray);
37 
38     /**
39      * Adjust capture request assuming rotate and crop AUTO is enabled
40      */
41     status_t updateCaptureRequest(CameraMetadata *request);
42 
43  private:
44 
45     void fixCropRegionsIfNeeded(CameraMetadata *request);
46     void fixMeteringRegionsIfNeeded(CameraMetadata *request);
47 
48     int32_t mArrayWidth = 0;
49     int32_t mArrayHeight = 0;
50     int32_t mArrayWidthMaximumResolution = 0;
51     int32_t mArrayHeightMaximumResolution = 0;
52     bool mIsValid = false;
53 }; // class UHRCropAndMeteringRegionMapper
54 
55 } // namespace camera3
56 
57 } // namespace android
58 
59 #endif
60