imageformat.java

来自「JfreeChart 常用图表例子」· Java 代码 · 共 61 行

/* ===========================================================
 * JFreeChart : a free chart library for the Java(tm) platform
 * ===========================================================
 *
 * (C) Copyright 2000-2005, by Object Refinery Limited and Contributors.
 *
 * Project Info:  http://www.jfree.org/jfreechart/index.html
 *
 * This library is free software; you can redistribute it and/or modify it 
 * under the terms of the GNU Lesser General Public License as published by 
 * the Free Software Foundation; either version 2.1 of the License, or 
 * (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful, but 
 * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY 
 * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public 
 * License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License 
 * along with this library; if not, write to the Free Software Foundation, 
 * Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
 *
 * [Java is a trademark or registered trademark of Sun Microsystems, Inc. 
 * in the United States and other countries.]
 *
 * -------------------
 * ImageFormat.java
 * -------------------
 * (C) Copyright 2004, by Richard Atkinson and Contributors.
 *
 * Original Author:  Richard Atkinson;
 * Contributor(s):   -;
 *
 * $Id: ImageFormat.java,v 1.2 2005/03/28 19:38:57 mungady Exp $
 *
 * Changes
 * -------
 * 01-Aug-2004 : Initial version (RA);
 *
 */

package org.jfree.chart.encoders;

/**
 * Interface used for referencing different image formats.
 *
 * @author Richard Atkinson
 */
public interface ImageFormat {

    /** Portable Network Graphics - lossless */
    public static String PNG = "png";

    /** Joint Photographic Experts Group format - lossy */
    public static String JPEG = "jpeg";

    /** Graphics Interchange Format - lossless, but 256 colour restriction */
    public static String GIF = "gif";

}