/*
* $RCSfile: DFTCRIF.java,v $
*
* Copyright (c) 2005 Sun Microsystems, Inc. All rights reserved.
*
* Use is subject to license terms.
*
* $Revision: 1.1 $
* $Date: 2005/02/11 04:56:22 $
* $State: Exp $
*/
package com.lightcrafts.media.jai.opimage;
import java.awt.RenderingHints;
import java.awt.image.RenderedImage;
import java.awt.image.renderable.ParameterBlock;
import com.lightcrafts.mediax.jai.CRIFImpl;
import com.lightcrafts.mediax.jai.EnumeratedParameter;
import com.lightcrafts.mediax.jai.ImageLayout;
/**
* A <code>CRIF</code> supporting the "DFT" operation in the rendered
* image layer.
*
* @since Beta
* @see com.lightcrafts.mediax.jai.operator.DFTDescriptor
*
*/
public class DFTCRIF extends CRIFImpl {
/** Constructor. */
public DFTCRIF() {
super("dft");
}
/**
* Creates a new instance of a DFT operator according to the scaling type.
*
* @param paramBlock The scaling type.
*/
public RenderedImage create(ParameterBlock paramBlock,
RenderingHints renderHints) {
// Get ImageLayout from renderHints if any.
ImageLayout layout = RIFUtil.getImageLayoutHint(renderHints);
RenderedImage source = paramBlock.getRenderedSource(0);
EnumeratedParameter scalingType =
(EnumeratedParameter)paramBlock.getObjectParameter(0);
EnumeratedParameter dataNature =
(EnumeratedParameter)paramBlock.getObjectParameter(1);
FFT fft = new FFT(true, new Integer(scalingType.getValue()), 2);
return new DFTOpImage(source, renderHints, layout, dataNature, fft);
}
}