001/*
002Copyright 2006 Jerry Huxtable
003
004Licensed under the Apache License, Version 2.0 (the "License");
005you may not use this file except in compliance with the License.
006You may obtain a copy of the License at
007
008   http://www.apache.org/licenses/LICENSE-2.0
009
010Unless required by applicable law or agreed to in writing, software
011distributed under the License is distributed on an "AS IS" BASIS,
012WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013See the License for the specific language governing permissions and
014limitations under the License.
015*/
016
017package com.jhlabs.image;
018
019import java.awt.image.*;
020
021/**
022 * A BufferedImageOp which iterates another BufferedImageOp.
023 */
024public class IteratedFilter extends AbstractBufferedImageOp {
025        private BufferedImageOp filter;
026        private int iterations;
027        
028    /**
029     * Construct an IteratedFilter.
030     * @param filter the filetr to iterate
031     * @param iterations the number of iterations
032     */
033        public IteratedFilter( BufferedImageOp filter, int iterations ) {
034                this.filter = filter;
035                this.iterations = iterations;
036        }
037        
038        public BufferedImage filter( BufferedImage src, BufferedImage dst ) {
039                BufferedImage image = src;
040
041                for ( int i = 0; i < iterations; i++ )
042                        image = filter.filter( image, dst );
043                
044                return image;
045        }
046}