/*
Copyright 2006-2010 Stefano Chizzolini. http://www.pdfclown.org
Contributors:
* Stefano Chizzolini (original code developer, http://www.stefanochizzolini.it)
This file should be part of the source code distribution of "PDF Clown library"
(the Program): see the accompanying README files for more info.
This Program is free software; you can redistribute it and/or modify it under the terms
of the GNU Lesser General Public License as published by the Free Software Foundation;
either version 3 of the License, or (at your option) any later version.
This Program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY,
either expressed or implied; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE. See the License for more details.
You should have received a copy of the GNU Lesser General Public License along with this
Program (see README files); if not, go to the GNU website (http://www.gnu.org/licenses/).
Redistribution and use, with or without modification, are permitted provided that such
redistributions retain the above copyright notice, license and disclaimer, along with
this list of conditions.
*/
package org.pdfclown.documents.contents.colorSpaces;
import org.pdfclown.PDF;
import org.pdfclown.VersionEnum;
import org.pdfclown.objects.PdfArray;
import org.pdfclown.objects.PdfDictionary;
import org.pdfclown.objects.PdfDirectObject;
import org.pdfclown.objects.PdfIndirectObject;
import org.pdfclown.objects.PdfName;
import org.pdfclown.objects.PdfNumber;
/**
Abstract CIE-based color space [PDF:1.6:4.5.4].
@author Stefano Chizzolini (http://www.stefanochizzolini.it)
@version 0.1.0
*/
@PDF(VersionEnum.PDF11)
public abstract class CIEBasedColorSpace
extends ColorSpace<PdfArray>
{
// <class>
// <dynamic>
// <constructors>
//TODO:IMPL new element constructor!
protected CIEBasedColorSpace(
PdfDirectObject baseObject,
PdfIndirectObject container
)
{super(baseObject, container);}
// </constructors>
// <interface>
// <public>
/**
Gets the tristimulus value, in the CIE 1931 XYZ space, of the diffuse black point.
*/
public float[] getBlackPoint(
)
{
PdfArray blackPointObject = (PdfArray)getDictionary().get(PdfName.BlackPoint);
return (blackPointObject == null
? new float[]
{
0,
0,
0
}
: new float[]
{
((PdfNumber<?>)blackPointObject.get(0)).getNumberValue(),
((PdfNumber<?>)blackPointObject.get(1)).getNumberValue(),
((PdfNumber<?>)blackPointObject.get(2)).getNumberValue()
});
}
/**
Gets the tristimulus value, in the CIE 1931 XYZ space, of the diffuse white point.
*/
public float[] getWhitePoint(
)
{
PdfArray whitePointObject = (PdfArray)getDictionary().get(PdfName.WhitePoint);
return new float[]
{
((PdfNumber<?>)whitePointObject.get(0)).getNumberValue(),
((PdfNumber<?>)whitePointObject.get(1)).getNumberValue(),
((PdfNumber<?>)whitePointObject.get(2)).getNumberValue()
};
}
// </public>
// <protected>
/**
Gets this color space's dictionary.
*/
protected final PdfDictionary getDictionary(
)
{return (PdfDictionary)getBaseDataObject().get(1);}
// </protected>
// </interface>
// </dynamic>
// </class>
}