001/**
002 * Copyright (c) 2011, The University of Southampton and the individual contributors.
003 * All rights reserved.
004 *
005 * Redistribution and use in source and binary forms, with or without modification,
006 * are permitted provided that the following conditions are met:
007 *
008 *   *  Redistributions of source code must retain the above copyright notice,
009 *      this list of conditions and the following disclaimer.
010 *
011 *   *  Redistributions in binary form must reproduce the above copyright notice,
012 *      this list of conditions and the following disclaimer in the documentation
013 *      and/or other materials provided with the distribution.
014 *
015 *   *  Neither the name of the University of Southampton nor the names of its
016 *      contributors may be used to endorse or promote products derived from this
017 *      software without specific prior written permission.
018 *
019 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
020 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
021 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
022 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
023 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
024 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
025 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
026 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
027 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
028 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
029 */
030/**
031 * 
032 */
033package org.openimaj.image.processor.connectedcomponent.render;
034
035import org.openimaj.image.Image;
036import org.openimaj.image.pixel.ConnectedComponent;
037import org.openimaj.image.pixel.Pixel;
038
039/**
040 *      Renders the pixels from one image into the given image based on
041 *      the connected components.
042 * 
043 *  @author David Dupplaw (dpd@ecs.soton.ac.uk)
044 *      
045 *  @param <T>  The type of image the rendered can write to
046 */
047public class BlobExtractorRenderer<T> extends AbstractRenderer<T>
048{
049        /** The image the pixels are being copied from */
050        private Image<T,?> copyImage;
051        
052        /**
053         *      Default constructor that takes the image to draw into and the image to
054         *      copy from.      
055         * 
056         *  @param image The image to draw into
057         *  @param copyImage The image to copy pixels from
058         */
059        public BlobExtractorRenderer( Image<T,?> image, Image<T,?> copyImage ) 
060        {
061                super( image, null );
062                this.copyImage = copyImage;
063        }
064        
065        /**
066         *      Default constructor that takes the image to draw into and the image to
067         *      copy from.      
068         * @param width The width of the image to create 
069         * @param height The height of the image to create
070         * @param img The image to copy pixels from
071         */
072        public BlobExtractorRenderer( int width, int height, Image<T,?> img) 
073        {
074                super( width, height, null );
075                copyImage = img;
076        }
077
078        /**
079         *      Copies pixels that are within the connected component from the copyImage
080         *      into the write image.
081         * 
082         *  {@inheritDoc}
083         *  @see org.openimaj.image.processor.connectedcomponent.ConnectedComponentProcessor#process(org.openimaj.image.pixel.ConnectedComponent)
084         */
085        @Override
086        public void process( ConnectedComponent cc ) 
087        {
088                for( Pixel p : cc.getPixels() ) 
089                {
090                        image.setPixel( p.x, p.y, copyImage.getPixel( p.x, p.y ) );
091                }
092        }
093}