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1   /*
2    * Licensed to the Apache Software Foundation (ASF) under one or more
3    * contributor license agreements.  See the NOTICE file distributed with
4    * this work for additional information regarding copyright ownership.
5    * The ASF licenses this file to You under the Apache License, Version 2.0
6    * (the "License"); you may not use this file except in compliance with
7    * the License.  You may obtain a copy of the License at
8    *
9    *      http://www.apache.org/licenses/LICENSE-2.0
10   *
11   * Unless required by applicable law or agreed to in writing, software
12   * distributed under the License is distributed on an "AS IS" BASIS,
13   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14   * See the License for the specific language governing permissions and
15   * limitations under the License.
16   */
17  package org.apache.commons.imaging.formats.tiff.taginfos;
18  
19  import java.nio.ByteOrder;
20  
21  import org.apache.commons.imaging.common.ByteConversions;
22  import org.apache.commons.imaging.common.RationalNumber;
23  import org.apache.commons.imaging.formats.tiff.constants.TiffDirectoryType;
24  import org.apache.commons.imaging.formats.tiff.fieldtypes.FieldType;
25  
26  public class TagInfoSRational extends TagInfo {
27      public TagInfoSRational(final String name, final int tag, final TiffDirectoryType directoryType) {
28          super(name, tag, FieldType.SRATIONAL, 1, directoryType);
29      }
30  
31      public RationalNumber getValue(final ByteOrder byteOrder, final byte[] bytes) {
32          return ByteConversions.toRational(bytes, byteOrder, false);
33      }
34  
35      public byte[] encodeValue(final ByteOrder byteOrder, final RationalNumber value) {
36          return ByteConversions.toBytes(value, byteOrder);
37      }
38  }