/*
* 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 Ben Litchfield
*/
public final class PDGamma implements COSObjectable
{
private COSArray values = null;
/**
* Creates a new gamma.
* 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));
}
/**
* Creates a new gamma from a COS array.
* @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;
}
/**
* Returns the r value of the tristimulus.
* @return the R value.
*/
public float getR()
{
return ((COSNumber)values.get(0)).floatValue();
}
/**
* Sets 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));
}
/**
* Returns the g value of the tristimulus.
* @return the g value
*/
public float getG()
{
return ((COSNumber)values.get(1)).floatValue();
}
/**
* Sets 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));
}
/**
* Returns the b value of the tristimulus.
* @return the B value
*/
public float getB()
{
return ((COSNumber)values.get(2)).floatValue();
}
/**
* Sets the b value of the tristimulus.
* @param b he b value for the tristimulus
*/
public void setB(float b)
{
values.set(2, new COSFloat(b));
}
}