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/*
* Copyright 2002-2017 Drew Noakes
*
* 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.
*
* More information about this project is available at:
*
* https://drewnoakes.com/code/exif/
* https://github.com/drewnoakes/metadata-extractor
*/
package com.drew.imaging.tiff;
import com.drew.lang.annotations.NotNull;
import com.drew.lang.annotations.Nullable;
/**
* An enumeration of data formats used by the TIFF specification.
*
* @author Drew Noakes https://drewnoakes.com
*/
public class TiffDataFormat
{
public static final int CODE_INT8_U = 1;
public static final int CODE_STRING = 2;
public static final int CODE_INT16_U = 3;
public static final int CODE_INT32_U = 4;
public static final int CODE_RATIONAL_U = 5;
public static final int CODE_INT8_S = 6;
public static final int CODE_UNDEFINED = 7;
public static final int CODE_INT16_S = 8;
public static final int CODE_INT32_S = 9;
public static final int CODE_RATIONAL_S = 10;
public static final int CODE_SINGLE = 11;
public static final int CODE_DOUBLE = 12;
@NotNull public static final TiffDataFormat INT8_U = new TiffDataFormat("BYTE", CODE_INT8_U, 1);
@NotNull public static final TiffDataFormat STRING = new TiffDataFormat("STRING", CODE_STRING, 1);
@NotNull public static final TiffDataFormat INT16_U = new TiffDataFormat("USHORT", CODE_INT16_U, 2);
@NotNull public static final TiffDataFormat INT32_U = new TiffDataFormat("ULONG", CODE_INT32_U, 4);
@NotNull public static final TiffDataFormat RATIONAL_U = new TiffDataFormat("URATIONAL", CODE_RATIONAL_U, 8);
@NotNull public static final TiffDataFormat INT8_S = new TiffDataFormat("SBYTE", CODE_INT8_S, 1);
@NotNull public static final TiffDataFormat UNDEFINED = new TiffDataFormat("UNDEFINED", CODE_UNDEFINED, 1);
@NotNull public static final TiffDataFormat INT16_S = new TiffDataFormat("SSHORT", CODE_INT16_S, 2);
@NotNull public static final TiffDataFormat INT32_S = new TiffDataFormat("SLONG", CODE_INT32_S, 4);
@NotNull public static final TiffDataFormat RATIONAL_S = new TiffDataFormat("SRATIONAL", CODE_RATIONAL_S, 8);
@NotNull public static final TiffDataFormat SINGLE = new TiffDataFormat("SINGLE", CODE_SINGLE, 4);
@NotNull public static final TiffDataFormat DOUBLE = new TiffDataFormat("DOUBLE", CODE_DOUBLE, 8);
@NotNull
private final String _name;
private final int _tiffFormatCode;
private final int _componentSizeBytes;
@Nullable
public static TiffDataFormat fromTiffFormatCode(int tiffFormatCode)
{
switch (tiffFormatCode) {
case 1: return INT8_U;
case 2: return STRING;
case 3: return INT16_U;
case 4: return INT32_U;
case 5: return RATIONAL_U;
case 6: return INT8_S;
case 7: return UNDEFINED;
case 8: return INT16_S;
case 9: return INT32_S;
case 10: return RATIONAL_S;
case 11: return SINGLE;
case 12: return DOUBLE;
}
return null;
}
private TiffDataFormat(@NotNull String name, int tiffFormatCode, int componentSizeBytes)
{
_name = name;
_tiffFormatCode = tiffFormatCode;
_componentSizeBytes = componentSizeBytes;
}
public int getComponentSizeBytes()
{
return _componentSizeBytes;
}
public int getTiffFormatCode()
{
return _tiffFormatCode;
}
@Override
@NotNull
public String toString()
{
return _name;
}
}
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