/*
* $RCSfile: GradientRIF.java,v $
*
* Copyright (c) 2005 Sun Microsystems, Inc. All rights reserved.
*
* Use is subject to license terms.
*
* $Revision: 1.1 $
* $Date: 2005/02/11 04:56:27 $
* $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.KernelJAI;
/**
* @see GradientOpImage
*/
public class GradientRIF implements RenderedImageFactory {
/** Constructor. */
public GradientRIF() {}
/**
* Create a new instance of GradientOpImage in the rendered layer.
* This method satisfies the implementation of RIF.
*
* @param paramBlock The source image and the gradient's
* horizontal kernel & vertical 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);
RenderedImage source = paramBlock.getRenderedSource(0);
// Get the Horizontal & Vertical kernels
KernelJAI kern_h = (KernelJAI)paramBlock.getObjectParameter(0);
KernelJAI kern_v = (KernelJAI)paramBlock.getObjectParameter(1);
return new GradientOpImage(source,
extender,
renderHints,
layout,
kern_h,
kern_v);
}
}