get Jpeg Rotation - Android Camera

Android examples for Camera:Camera Rotate

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Description

get Jpeg Rotation

Demo Code

/*/*w  ww  .  j  a v  a 2s .c o m*/
 * Copyright (C) 2009 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
import com.android.camera.CameraHolder;

import android.hardware.Camera.CameraInfo;
import android.view.OrientationEventListener;

public class Main {
  public static int getJpegRotation(int cameraId, int orientation) {
    // See android.hardware.Camera.Parameters.setRotation for
    // documentation.
    int rotation = 0;
    if (orientation != OrientationEventListener.ORIENTATION_UNKNOWN) {
      CameraInfo info = CameraHolder.instance().getCameraInfo()[cameraId];
      if (info.facing == CameraInfo.CAMERA_FACING_FRONT) {
        rotation = (info.orientation - orientation + 360) % 360;
      } else { // back-facing camera
        rotation = (info.orientation + orientation) % 360;
      }
    }
    return rotation;
  }
}

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