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.hardware.camera2.marshal.MarshalQueryable; 19 import android.hardware.camera2.marshal.Marshaler; 20 import android.hardware.camera2.params.BlackLevelPattern; 21 import android.hardware.camera2.utils.TypeReference; 22 23 import java.nio.ByteBuffer; 24 25 import static android.hardware.camera2.impl.CameraMetadataNative.TYPE_INT32; 26 import static android.hardware.camera2.marshal.MarshalHelpers.SIZEOF_INT32; 27 28 /** 29 * Marshal {@link BlackLevelPattern} to/from {@link #TYPE_INT32} {@code x 4} 30 */ 31 public class MarshalQueryableBlackLevelPattern implements MarshalQueryable<BlackLevelPattern> { 32 private static final int SIZE = SIZEOF_INT32 * BlackLevelPattern.COUNT; 33 34 private class MarshalerBlackLevelPattern extends Marshaler<BlackLevelPattern> { 35 protected MarshalerBlackLevelPattern(TypeReference<BlackLevelPattern> typeReference, 36 int nativeType) { 37 super(MarshalQueryableBlackLevelPattern.this, typeReference, nativeType); 38 } 39 40 @Override 41 public void marshal(BlackLevelPattern value, ByteBuffer buffer) { 42 for (int i = 0; i < BlackLevelPattern.COUNT / 2; ++i) { 43 for (int j = 0; j < BlackLevelPattern.COUNT / 2; ++j) { 44 buffer.putInt(value.getOffsetForIndex(j, i)); 45 } 46 } 47 } 48 49 @Override 50 public BlackLevelPattern unmarshal(ByteBuffer buffer) { 51 int[] channelOffsets = new int[BlackLevelPattern.COUNT]; 52 for (int i = 0; i < BlackLevelPattern.COUNT; ++i) { 53 channelOffsets[i] = buffer.getInt(); 54 } 55 return new BlackLevelPattern(channelOffsets); 56 } 57 58 @Override 59 public int getNativeSize() { 60 return SIZE; 61 } 62 } 63 64 @Override 65 public Marshaler<BlackLevelPattern> createMarshaler( 66 TypeReference<BlackLevelPattern> managedType, int nativeType) { 67 return new MarshalerBlackLevelPattern(managedType, nativeType); 68 } 69 70 @Override 71 public boolean isTypeMappingSupported( 72 TypeReference<BlackLevelPattern> managedType, int nativeType) { 73 return nativeType == TYPE_INT32 && 74 (BlackLevelPattern.class.equals(managedType.getType())); 75 } 76 } 77
