1 /*
2  * Copyright (C) 2014 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_CAMERA_CLIENT_CAMERAUTILS_H
18 #define ANDROID_CAMERA_CLIENT_CAMERAUTILS_H
19 
20 #include <camera/CameraMetadata.h>
21 #include <utils/Errors.h>
22 
23 #include <stdint.h>
24 
25 namespace android {
26 
27 /**
28  * CameraUtils contains utility methods that are shared between the native
29  * camera client, and the camera service.
30  */
31 class CameraUtils {
32     public:
33         /**
34          * Calculate the ANativeWindow transform from the static camera
35          * metadata.  This is based on the sensor orientation and lens facing
36          * attributes of the camera device.
37          *
38          * Returns OK on success, or a negative error code.
39          */
40         static status_t getRotationTransform(const CameraMetadata& staticInfo,
41                 /*out*/int32_t* transform);
42     private:
43         CameraUtils();
44 };
45 
46 } /* namespace android */
47 
48 #endif /* ANDROID_CAMERA_CLIENT_CAMERAUTILS_H */
49 
50