ColorReductionCRIF.java

/*
 *    GeoTools - The Open Source Java GIS Toolkit
 *    http://geotools.org
 * 
 *    (C) 2008, Open Source Geospatial Foundation (OSGeo)
 *
 *    This library 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;
 *    version 2.1 of the License.
 *
 *    This library is distributed in the hope that it will be useful,
 *    but WITHOUT ANY WARRANTY; without even the implied warranty of
 *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 *    Lesser General Public License for more details.
 */
package org.geotools.image.palette;

import java.awt.RenderingHints;
import java.awt.image.RenderedImage;
import java.awt.image.renderable.ParameterBlock;

import javax.media.jai.CRIFImpl;

public class ColorReductionCRIF extends CRIFImpl {

	public RenderedImage create(ParameterBlock pb, RenderingHints hints) {
		final RenderedImage image = (RenderedImage) pb.getSource(0);
		final int numColors = pb.getIntParameter(0);
		final int alpaThreshold = pb.getIntParameter(1);
		final int subsx = pb.getIntParameter(2);
		final int subsy = pb.getIntParameter(3);
		return new ColorReduction(image, hints, numColors, alpaThreshold,
				subsx, subsy);
	}

}