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.marshal.impl;
  
  import android.hardware.camera2.marshal.Marshaler;
  import android.hardware.camera2.marshal.MarshalQueryable;
  import android.hardware.camera2.params.RggbChannelVector;
  import android.hardware.camera2.utils.TypeReference;
  
  import java.nio.ByteBuffer;
  
  import static android.hardware.camera2.impl.CameraMetadataNative.*;
  import static android.hardware.camera2.marshal.MarshalHelpers.*;
  
  /**
   * Marshal {@link RggbChannelVector} to/from {@link #TYPE_FLOAT} {@code x 4}
   */
  public class MarshalQueryableRggbChannelVector implements MarshalQueryable<RggbChannelVector> {
      private static final int SIZE = SIZEOF_FLOAT * RggbChannelVector.COUNT;
  
      private class MarshalerRggbChannelVector extends Marshaler<RggbChannelVector> {
          protected MarshalerRggbChannelVector(TypeReference<RggbChannelVector> typeReference,
                  int nativeType) {
              super(MarshalQueryableRggbChannelVector.this, typeReference, nativeType);
          }
  
          @Override
          public void marshal(RggbChannelVector value, ByteBuffer buffer) {
              for (int i = 0; i < RggbChannelVector.COUNT; ++i) {
                  buffer.putFloat(value.getComponent(i));
              }
          }
  
          @Override
          public RggbChannelVector unmarshal(ByteBuffer buffer) {
              float red = buffer.getFloat();
              float gEven = buffer.getFloat();
              float gOdd = buffer.getFloat();
              float blue = buffer.getFloat();
  
              return new RggbChannelVector(red, gEven, gOdd, blue);
          }
  
          @Override
          public int getNativeSize() {
              return SIZE;
          }
      }
  
      @Override
      public Marshaler<RggbChannelVector> createMarshaler(
              TypeReference<RggbChannelVector> managedType, int nativeType) {
          return new MarshalerRggbChannelVector(managedType, nativeType);
      }
  
      @Override
      public boolean isTypeMappingSupported(
              TypeReference<RggbChannelVector> managedType, int nativeType) {
          return nativeType == TYPE_FLOAT && (RggbChannelVector.class.equals(managedType.getType()));
      }
  
  }
  