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/*
* Copyright (C) 2012 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 com.android.gallery3d.exif;
public class ExifTag {
public static final short TYPE_BYTE = 1;
public static final short TYPE_ASCII = 2;
public static final short TYPE_SHORT = 3;
public static final short TYPE_INT = 4;
public static final short TYPE_RATIONAL = 5;
public static final short TYPE_UNDEFINED = 7;
public static final short TYPE_SINT = 9;
public static final short TYPE_SRATIONAL = 10;
private static final int TYPE_TO_SIZE_MAP[] = new int[11];
static {
TYPE_TO_SIZE_MAP[TYPE_BYTE] = 1;
TYPE_TO_SIZE_MAP[TYPE_ASCII] = 1;
TYPE_TO_SIZE_MAP[TYPE_SHORT] = 2;
TYPE_TO_SIZE_MAP[TYPE_INT] = 4;
TYPE_TO_SIZE_MAP[TYPE_RATIONAL] = 8;
TYPE_TO_SIZE_MAP[TYPE_UNDEFINED] = 1;
TYPE_TO_SIZE_MAP[TYPE_SINT] = 4;
TYPE_TO_SIZE_MAP[TYPE_SRATIONAL] = 8;
}
public static int getElementSize(short type) {
return TYPE_TO_SIZE_MAP[type];
}
private final short mTagId;
private final short mDataType;
private final int mDataCount;
private final int mOffset;
ExifTag(short tagId, short type, int dataCount) {
mTagId = tagId;
mDataType = type;
mDataCount = dataCount;
mOffset = -1;
}
ExifTag(short tagId, short type, int dataCount, int offset) {
mTagId = tagId;
mDataType = type;
mDataCount = dataCount;
mOffset = offset;
}
public int getOffset() {
return mOffset;
}
public short getTagId() {
return mTagId;
}
public short getDataType() {
return mDataType;
}
public int getComponentCount() {
return mDataCount;
}
}
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