SquareRootStretchCRIF.java

/* JAI-Ext - OpenSource Java Advanced Image Extensions Library
*    http://www.geo-solutions.it/
*    Copyright 2014 GeoSolutions


* Licensed 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 it.geosolutions.jaiext.contrastenhancement;

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

import javax.media.jai.CRIFImpl;
import javax.media.jai.ImageLayout;

import com.sun.media.jai.opimage.RIFUtil;


public class SquareRootStretchCRIF extends CRIFImpl
{

    /** Constructor. */
    public SquareRootStretchCRIF()
    {
        super("SquareRootStretch");
    }

    /**
     * Creates a new instance of <code>SquareRootStretchOpImage</code> in the
     * rendered layer.
     *
     * @param args   The source image and the factors.
     * @param hints  Optionally contains destination image layout.
     */
    public RenderedImage create(ParameterBlock args,
        RenderingHints renderHints)
    {
        // Get ImageLayout from renderHints if any.
        ImageLayout layout = RIFUtil.getImageLayoutHint(renderHints);


        return new SquareRootStretchOpImage(args.getRenderedSource(0),
                renderHints,
                layout, (int[]) args.getObjectParameter(0), (int[]) args.getObjectParameter(1), (int[]) args.getObjectParameter(2), (int[]) args.getObjectParameter(3));
    }
}