dctfilter.java

非常有用的操作pdf文件的java源码

/**
 * Copyright (c) 2003, www.pdfbox.org
 * All rights reserved.
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 *    this list of conditions and the following disclaimer.
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 *    software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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package org.pdfbox.filter;

import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;

import org.pdfbox.cos.COSDictionary;

/**
 * This is the used for the DCTDecode filter.
 *
 * @author <a href="mailto:[e-mail]">Ben Litchfield</a>
 * @version $Revision: 1.9 $
 */
public class DCTFilter implements Filter
{
    
    /**
     * This will decode some compressed data.
     *
     * @param compressedData The compressed byte stream.
     * @param result The place to write the uncompressed byte stream.
     * @param options The options to use to encode the data.
     *
     * @throws IOException If there is an error decompressing the stream.
     */
    public void decode( InputStream compressedData, OutputStream result, COSDictionary options ) throws IOException
    {
        System.err.println( "Warning: DCTFilter.decode is not implemented yet, skipping this stream." );
    }

     /**
     * This will encode some data.
     *
     * @param rawData The raw data to encode.
     * @param result The place to write to encoded results to.
     * @param options The options to use to encode the data.
     *
     * @throws IOException If there is an error compressing the stream.
     */
    public void encode( InputStream rawData, OutputStream result, COSDictionary options ) throws IOException
    {
        System.err.println( "Warning: DCTFilter.encode is not implemented yet, skipping this stream." );
    }
}