使用MediaUtil修改图片EXIF信息的示例代码

/* MediaUtil LLJTran - $RCSfile: LLJTranTutorial.java,v $
 * Copyright (C) 1999-2005 Dmitriy Rogatkin, Suresh Mahalingam.  All rights reserved.
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *  THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
 *  ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 *  IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 *  ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
 *  ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 *  (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 *  LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 *  ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 *  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 *  SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *  $Id: LLJTranTutorial.java,v 1.4 2005/08/18 04:35:34 drogatkin Exp $
 *
 * Some ideas and algorithms were borrowed from:
 * Thomas G. Lane, and James R. Weeks
 */

import java.io.*;
import java.util.Date;
import java.awt.*;
import java.awt.image.*;

import java.awt.geom.AffineTransform;
import javax.imageio.*;
import javax.imageio.stream.ImageInputStream;

import mediautil.gen.directio.*;
import mediautil.gen.Log;
import mediautil.image.ImageResources;
import mediautil.image.jpeg.LLJTran;
import mediautil.image.jpeg.AbstractImageInfo;
import mediautil.image.jpeg.Exif;
import mediautil.image.jpeg.Entry;
import mediautil.image.jpeg.LLJTranException;

/**
 * This is a Tutorial for LLJTran in MediaUtil. This helps in getting quickly
 * started on the various features of the LLJTran API for Lossless Jpeg
 * Transformation and handling Exif information. To compile, include the
 * MediaUtil jar file in your classpath.<p>
 *
 * Each of the mainXYZ method in this Tutorial file is an example. To run it
 * first rename it to main and recompile. The examples are well commented. Each
 * example program has an input file an output file and more parameters
 * depending on the example. Type:
 * java LLJTranTutorial
 * for usage information.
 * Please try each of the examples with 2 different input jpeg files. One with
 * Exif header and one without. This directory has 3 kinds of files:<p>
 *
 * picture.jpg: With Exif Header<br>
 * image.jpg: Without Exif Header<br>