content: /*
   * Copyright (C) 2014 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.
   */
  
  package android.hardware.camera2.legacy;
  
  import android.hardware.Camera;
  import android.hardware.camera2.CameraCharacteristics;
  import android.hardware.camera2.CaptureRequest;
  import android.util.Size;
  
  import static com.android.internal.util.Preconditions.*;
  
  /**
   * Hold important data necessary to build the camera1 parameters up from a capture request.
   */
  public class LegacyRequest {
      /** Immutable characteristics for the camera corresponding to this request */
      public final CameraCharacteristics characteristics;
      /** Immutable capture request, as requested by the user */
      public final CaptureRequest captureRequest;
      /** Immutable api1 preview buffer size at the time of the request */
      public final Size previewSize;
      /** <em>Mutable</em> camera parameters */
      public final Camera.Parameters parameters;
  
      /**
       * Create a new legacy request; the parameters are copied.
       *
       * @param characteristics immutable static camera characteristics for this camera
       * @param captureRequest immutable user-defined capture request
       * @param previewSize immutable internal preview size used for {@link Camera#setPreviewSurface}
       * @param parameters the initial camera1 parameter state; (copied) can be mutated
       */
      public LegacyRequest(CameraCharacteristics characteristics, CaptureRequest captureRequest,
              Size previewSize, Camera.Parameters parameters) {
          this.characteristics = checkNotNull(characteristics, "characteristics must not be null");
          this.captureRequest = checkNotNull(captureRequest, "captureRequest must not be null");
          this.previewSize = checkNotNull(previewSize, "previewSize must not be null");
          checkNotNull(parameters, "parameters must not be null");
  
          this.parameters = Camera.getParametersCopy(parameters);
      }
  
      /**
       * Update the current parameters in-place to be a copy of the new parameters.
       *
       * @param parameters non-{@code null} parameters for api1 camera
       */
      public void setParameters(Camera.Parameters parameters) {
          checkNotNull(parameters, "parameters must not be null");
  
          this.parameters.copyFrom(parameters);
      }
  }
  