| /* |
| * 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.graphics.Rect; |
| import android.hardware.camera2.marshal.Marshaler; |
| import android.hardware.camera2.marshal.MarshalQueryable; |
| 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 Rect} to/from {@link #TYPE_INT32} |
| */ |
| public class MarshalQueryableRect implements MarshalQueryable<Rect> { |
| private static final int SIZE = SIZEOF_INT32 * 4; |
| |
| private class MarshalerRect extends Marshaler<Rect> { |
| protected MarshalerRect(TypeReference<Rect> typeReference, |
| int nativeType) { |
| super(MarshalQueryableRect.this, typeReference, nativeType); |
| } |
| |
| @Override |
| public void marshal(Rect value, ByteBuffer buffer) { |
| buffer.putInt(value.left); |
| buffer.putInt(value.top); |
| buffer.putInt(value.width()); |
| buffer.putInt(value.height()); |
| } |
| |
| @Override |
| public Rect unmarshal(ByteBuffer buffer) { |
| int left = buffer.getInt(); |
| int top = buffer.getInt(); |
| int width = buffer.getInt(); |
| int height = buffer.getInt(); |
| |
| int right = left + width; |
| int bottom = top + height; |
| |
| return new Rect(left, top, right, bottom); |
| } |
| |
| @Override |
| public int getNativeSize() { |
| return SIZE; |
| } |
| } |
| |
| @Override |
| public Marshaler<Rect> createMarshaler(TypeReference<Rect> managedType, int nativeType) { |
| return new MarshalerRect(managedType, nativeType); |
| } |
| |
| @Override |
| public boolean isTypeMappingSupported(TypeReference<Rect> managedType, int nativeType) { |
| return nativeType == TYPE_INT32 && (Rect.class.equals(managedType.getType())); |
| } |
| |
| } |