001    /* ===========================================================
002     * JFreeChart : a free chart library for the Java(tm) platform
003     * ===========================================================
004     *
005     * (C) Copyright 2000-2007, by Object Refinery Limited and Contributors.
006     *
007     * Project Info:  http://www.jfree.org/jfreechart/index.html
008     *
009     * This library is free software; you can redistribute it and/or modify it 
010     * under the terms of the GNU Lesser General Public License as published by 
011     * the Free Software Foundation; either version 2.1 of the License, or 
012     * (at your option) any later version.
013     *
014     * This library is distributed in the hope that it will be useful, but 
015     * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY 
016     * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public 
017     * License for more details.
018     *
019     * You should have received a copy of the GNU Lesser General Public
020     * License along with this library; if not, write to the Free Software
021     * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, 
022     * USA.  
023     *
024     * [Java is a trademark or registered trademark of Sun Microsystems, Inc. 
025     * in the United States and other countries.]
026     *
027     * ----------------
028     * ImageFormat.java
029     * ----------------
030     * (C) Copyright 2004, 2007, by Richard Atkinson and Contributors.
031     *
032     * Original Author:  Richard Atkinson;
033     * Contributor(s):   -;
034     *
035     * $Id: ImageFormat.java,v 1.2.2.2 2007/02/02 14:51:22 mungady Exp $
036     *
037     * Changes
038     * -------
039     * 01-Aug-2004 : Initial version (RA);
040     * 02-Feb-2007 : Removed author tags all over JFreeChart sources (DG);
041     *
042     */
043    
044    package org.jfree.chart.encoders;
045    
046    /**
047     * Interface used for referencing different image formats.
048     */
049    public interface ImageFormat {
050    
051        /** Portable Network Graphics - lossless */
052        public static String PNG = "png";
053    
054        /** Joint Photographic Experts Group format - lossy */
055        public static String JPEG = "jpeg";
056    
057        /** Graphics Interchange Format - lossless, but 256 colour restriction */
058        public static String GIF = "gif";
059    
060    }