| /* |
| * 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.MeteringRectangle; |
| 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 MeteringRectangle} to/from {@link #TYPE_INT32} |
| */ |
| public class MarshalQueryableMeteringRectangle implements MarshalQueryable<MeteringRectangle> { |
| private static final int SIZE = SIZEOF_INT32 * 5; |
| |
| /** (xmin, ymin, xmax, ymax, weight) */ |
| private class MarshalerMeteringRectangle extends Marshaler<MeteringRectangle> { |
| protected MarshalerMeteringRectangle(TypeReference<MeteringRectangle> typeReference, |
| int nativeType) { |
| super(MarshalQueryableMeteringRectangle.this, typeReference, nativeType); |
| } |
| |
| @Override |
| public void marshal(MeteringRectangle value, ByteBuffer buffer) { |
| int xMin = value.getX(); |
| int yMin = value.getY(); |
| int xMax = xMin + value.getWidth(); |
| int yMax = yMin + value.getHeight(); |
| int weight = value.getMeteringWeight(); |
| |
| buffer.putInt(xMin); |
| buffer.putInt(yMin); |
| buffer.putInt(xMax); |
| buffer.putInt(yMax); |
| buffer.putInt(weight); |
| } |
| |
| @Override |
| public MeteringRectangle unmarshal(ByteBuffer buffer) { |
| int xMin = buffer.getInt(); |
| int yMin = buffer.getInt(); |
| int xMax = buffer.getInt(); |
| int yMax = buffer.getInt(); |
| int weight = buffer.getInt(); |
| |
| int width = xMax - xMin; |
| int height = yMax - yMin; |
| |
| return new MeteringRectangle(xMin, yMin, width, height, weight); |
| } |
| |
| @Override |
| public int getNativeSize() { |
| return SIZE; |
| } |
| } |
| |
| @Override |
| public Marshaler<MeteringRectangle> createMarshaler( |
| TypeReference<MeteringRectangle> managedType, int nativeType) { |
| return new MarshalerMeteringRectangle(managedType, nativeType); |
| } |
| |
| @Override |
| public boolean isTypeMappingSupported( |
| TypeReference<MeteringRectangle> managedType, int nativeType) { |
| return nativeType == TYPE_INT32 && MeteringRectangle.class.equals(managedType.getType()); |
| } |
| |
| } |