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 }