CameraUtils.h revision 5698d4461a260dbf208484383f692b03c6473e74 
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
25namespace android {
26
27/**
28 * CameraUtils contains utility methods that are shared between the native
29 * camera client, and the camera service.
30 */
31class 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