/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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 org.apache.sanselan.formats.png.chunks;
import java.io.ByteArrayInputStream;
import java.io.IOException;
import org.apache.sanselan.ImageReadException;
public class PNGChunkgAMA extends PNGChunk
{
public final int Gamma;
public PNGChunkgAMA(int Length, int ChunkType, int CRC, byte bytes[])
throws ImageReadException, IOException
{
super(Length, ChunkType, CRC, bytes);
ByteArrayInputStream is = new ByteArrayInputStream(bytes);
Gamma = read4Bytes("Gamma", is, "Not a Valid Png File: gAMA Corrupt");
}
public double getGamma()
{
return 1.0 / (Gamma / 100000.0);
}
}