001    /*
002     * Copyright (C) 2008-2010 by Holger Arndt
003     *
004     * This file is part of the Universal Java Matrix Package (UJMP).
005     * See the NOTICE file distributed with this work for additional
006     * information regarding copyright ownership and licensing.
007     *
008     * UJMP is free software; you can redistribute it and/or modify
009     * it under the terms of the GNU Lesser General Public License as
010     * published by the Free Software Foundation; either version 2
011     * of the License, or (at your option) any later version.
012     *
013     * UJMP is distributed in the hope that it will be useful,
014     * but WITHOUT ANY WARRANTY; without even the implied warranty of
015     * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
016     * GNU Lesser General Public License for more details.
017     *
018     * You should have received a copy of the GNU Lesser General Public
019     * License along with UJMP; if not, write to the
020     * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
021     * Boston, MA  02110-1301  USA
022     */
023    
024    package org.ujmp.core.doublematrix.impl;
025    
026    import java.awt.image.BufferedImage;
027    import java.io.File;
028    import java.io.IOException;
029    import java.io.InputStream;
030    
031    import javax.imageio.ImageIO;
032    
033    import org.ujmp.core.exceptions.MatrixException;
034    import org.ujmp.core.intmatrix.stub.AbstractDenseIntMatrix2D;
035    
036    public class ImageMatrix extends AbstractDenseIntMatrix2D {
037            private static final long serialVersionUID = -1354524587823816194L;
038    
039            private BufferedImage bufferedImage = null;
040    
041            public ImageMatrix(String filename, Object... parameters) throws IOException {
042                    this(new File(filename));
043            }
044    
045            public ImageMatrix(BufferedImage image) throws IOException {
046                    bufferedImage = image;
047            }
048    
049            public ImageMatrix(File file, Object... parameters) throws IOException {
050                    this(ImageIO.read(file));
051            }
052    
053            public ImageMatrix(InputStream stream, Object... parameters) throws IOException {
054                    this(ImageIO.read(stream));
055            }
056    
057            public int getInt(long row, long column) {
058                    return getInt((int) row, (int) column);
059            }
060    
061            public void setInt(int value, long row, long column) {
062                    setInt(value, (int) row, (int) column);
063            }
064    
065            public int getInt(int row, int column) throws MatrixException {
066                    return bufferedImage.getRGB(column, row);
067            }
068    
069            public void setInt(int value, int row, int column) throws MatrixException {
070                    bufferedImage.setRGB(column, row, value);
071            }
072    
073            public long[] getSize() {
074                    return new long[] { bufferedImage.getHeight(), bufferedImage.getWidth() };
075            }
076    
077    }