/*
* $RCSfile: MedianFilterRIF.java,v $
*
* Copyright (c) 2005 Sun Microsystems, Inc. All rights reserved.
*
* Use is subject to license terms.
*
* $Revision: 1.1 $
* $Date: 2005/02/11 04:56:34 $
* $State: Exp $
*/
package com.lightcrafts.media.jai.opimage;
import java.awt.RenderingHints;
import java.awt.image.RenderedImage;
import java.awt.image.renderable.ParameterBlock;
import java.awt.image.renderable.RenderedImageFactory;
import com.lightcrafts.mediax.jai.BorderExtender;
import com.lightcrafts.mediax.jai.ImageLayout;
import com.lightcrafts.mediax.jai.operator.MedianFilterDescriptor;
import com.lightcrafts.mediax.jai.operator.MedianFilterShape;
/**
* Creates a MedianFilterOpImage subclass for the given input
* mask type
* @see MedianFilterOpImage
*/
public class MedianFilterRIF implements RenderedImageFactory {
/** Constructor. */
public MedianFilterRIF() {}
/**
* Create a new instance of MedianFilterOpImage in the rendered layer.
* This method satisfies the implementation of RIF.
*
* @param paramBlock The source image and the convolution kernel.
*/
public RenderedImage create(ParameterBlock paramBlock,
RenderingHints renderHints) {
// Get ImageLayout from renderHints if any.
ImageLayout layout = RIFUtil.getImageLayoutHint(renderHints);
// Get BorderExtender from renderHints if any.
BorderExtender extender = RIFUtil.getBorderExtenderHint(renderHints);
MedianFilterShape maskType =
(MedianFilterShape)paramBlock.getObjectParameter(0);
int maskSize = paramBlock.getIntParameter(1);
RenderedImage ri = paramBlock.getRenderedSource(0);
if(maskType.equals(MedianFilterDescriptor.MEDIAN_MASK_SQUARE)) {
return new MedianFilterSquareOpImage(ri,
extender,
renderHints,
layout,
maskSize);
} else if(maskType.equals(MedianFilterDescriptor.MEDIAN_MASK_PLUS)) {
return new MedianFilterPlusOpImage(ri,
extender,
renderHints,
layout,
maskSize);
} else if(maskType.equals(MedianFilterDescriptor.MEDIAN_MASK_X)) {
return new MedianFilterXOpImage(ri,
extender,
renderHints,
layout,
maskSize);
} else if(maskType.equals(MedianFilterDescriptor.MEDIAN_MASK_SQUARE_SEPARABLE)) {
return new MedianFilterSeparableOpImage(ri,
extender,
renderHints,
layout,
maskSize);
}
return null;
}
}