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 package android.hardware.camera2.marshal.impl; 17 18 import android.util.Size; 19 import android.hardware.camera2.marshal.Marshaler; 20 import android.hardware.camera2.marshal.MarshalQueryable; 21 import android.hardware.camera2.utils.TypeReference; 22 23 import static android.hardware.camera2.impl.CameraMetadataNative.*; 24 import static android.hardware.camera2.marshal.MarshalHelpers.*; 25 26 import java.nio.ByteBuffer; 27 28 /** 29 * Marshal {@link Size} to/from {@code TYPE_INT32} 30 */ 31 public class MarshalQueryableSize implements MarshalQueryable<Size> { 32 private static final int SIZE = SIZEOF_INT32 * 2; 33 34 private class MarshalerSize extends Marshaler<Size> { MarshalerSize(TypeReference<Size> typeReference, int nativeType)35 protected MarshalerSize(TypeReference<Size> typeReference, int nativeType) { 36 super(MarshalQueryableSize.this, typeReference, nativeType); 37 } 38 39 @Override marshal(Size value, ByteBuffer buffer)40 public void marshal(Size value, ByteBuffer buffer) { 41 buffer.putInt(value.getWidth()); 42 buffer.putInt(value.getHeight()); 43 } 44 45 @Override unmarshal(ByteBuffer buffer)46 public Size unmarshal(ByteBuffer buffer) { 47 int width = buffer.getInt(); 48 int height = buffer.getInt(); 49 50 return new Size(width, height); 51 } 52 53 @Override getNativeSize()54 public int getNativeSize() { 55 return SIZE; 56 } 57 } 58 59 @Override createMarshaler(TypeReference<Size> managedType, int nativeType)60 public Marshaler<Size> createMarshaler(TypeReference<Size> managedType, int nativeType) { 61 return new MarshalerSize(managedType, nativeType); 62 } 63 64 @Override isTypeMappingSupported(TypeReference<Size> managedType, int nativeType)65 public boolean isTypeMappingSupported(TypeReference<Size> managedType, int nativeType) { 66 return nativeType == TYPE_INT32 && (Size.class.equals(managedType.getType())); 67 } 68 } 69