/*
* 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.IndexColorModel;
import java.awt.image.RenderedImage;
import java.awt.image.renderable.ParameterBlock;
import javax.media.jai.CRIFImpl;
/**
* CRIF for the color inversion operation
* @author Simone Giannecchini, GeoSolutions SAS
*
*/
public class ColorInversionCRIF extends CRIFImpl {
public RenderedImage create(ParameterBlock pb, RenderingHints hints) {
final RenderedImage image = (RenderedImage) pb.getSource(0);
final IndexColorModel icm = (IndexColorModel) pb.getObjectParameter(0);
final int quantizationColors = pb.getIntParameter(1);
final int alpaThreshold = pb.getIntParameter(2);
return new ColorInversion(image,icm,quantizationColors, alpaThreshold);
}
}