/*
* 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.pdfbox.pdmodel.graphics.color;
import org.apache.pdfbox.cos.COSArray;
import org.apache.pdfbox.cos.COSBase;
import org.apache.pdfbox.cos.COSFloat;
import org.apache.pdfbox.cos.COSNumber;
import org.apache.pdfbox.pdmodel.common.COSObjectable;
/**
* A gamma array, or collection of three floating point parameters used for
* color operations.
*
* @author <a href="mailto:ben@benlitchfield.com">Ben Litchfield</a>
* @version $Revision: 1.2 $
*/
public class PDGamma implements COSObjectable
{
private COSArray values = null;
/**
* Constructor. Defaults all values to 0, 0, 0.
*/
public PDGamma()
{
values = new COSArray();
values.add( new COSFloat( 0.0f ) );
values.add( new COSFloat( 0.0f ) );
values.add( new COSFloat( 0.0f ) );
}
/**
* Constructor from COS object.
*
* @param array The array containing the XYZ values.
*/
public PDGamma( COSArray array )
{
values = array;
}
/**
* Convert this standard java object to a COS object.
*
* @return The cos object that matches this Java object.
*/
public COSBase getCOSObject()
{
return values;
}
/**
* Convert this standard java object to a COS object.
*
* @return The cos object that matches this Java object.
*/
public COSArray getCOSArray()
{
return values;
}
/**
* This will get the r value of the tristimulus.
*
* @return The R value.
*/
public float getR()
{
return ((COSNumber)values.get( 0 )).floatValue();
}
/**
* This will set the r value of the tristimulus.
*
* @param r The r value for the tristimulus.
*/
public void setR( float r )
{
values.set( 0, new COSFloat( r ) );
}
/**
* This will get the g value of the tristimulus.
*
* @return The g value.
*/
public float getG()
{
return ((COSNumber)values.get( 1 )).floatValue();
}
/**
* This will set the g value of the tristimulus.
*
* @param g The g value for the tristimulus.
*/
public void setG( float g )
{
values.set( 1, new COSFloat( g ) );
}
/**
* This will get the b value of the tristimulus.
*
* @return The B value.
*/
public float getB()
{
return ((COSNumber)values.get( 2 )).floatValue();
}
/**
* This will set the b value of the tristimulus.
*
* @param b The b value for the tristimulus.
*/
public void setB( float b )
{
values.set( 2, new COSFloat( b ) );
}
}