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* Copyright (c) 2005, www.pdfbox.org
* All rights reserved.
*
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* 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.
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* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. Neither the name of pdfbox; nor the names of its
* contributors may be used to endorse or promote products derived from this
* software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS 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
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package org.pdfbox.pdmodel.graphics.predictor;
/**
* The none algorithm.
*
* None(i,j) = Raw(i,j)
*
* Raw(i,j) = None(i,j)
*
* @author xylifyx@yahoo.co.uk
* @version $Revision: 1.2 $
*/
public class None extends PredictorAlgorithm
{
/**
* encode a byte array full of image data using the filter that this object
* implements.
*
* @param src
* buffer
* @param dest
* buffer
*/
public void encode(byte[] src, byte[] dest)
{
checkBufsiz(dest, src);
System.arraycopy(src,0,dest,0,src.length);
}
/**
* decode a byte array full of image data using the filter that this object
* implements.
*
* @param src
* buffer
* @param dest
* buffer
*/
public void decode(byte[] src, byte[] dest)
{
System.arraycopy(src,0,dest,0,src.length);
}
/**
* @see org.pdfbox.pdmodel.graphics.predictor.PredictorAlgorithm#encodeLine(byte[], byte[],
* int, int, int, int)
*/
public void encodeLine(byte[] src, byte[] dest, int srcDy, int srcOffset,
int destDy, int destOffset)
{
int bpl = getWidth() * getBpp();
for (int x = 0; x < bpl; x++)
{
dest[destOffset + x] = src[srcOffset + x];
}
}
/**
* @see org.pdfbox.pdmodel.graphics.predictor.PredictorAlgorithm#decodeLine(byte[], byte[],
* int, int, int, int)
*/
public void decodeLine(byte[] src, byte[] dest, int srcDy, int srcOffset,
int destDy, int destOffset)
{
int bpl = getWidth() * getBpp();
for (int x = 0; x < bpl; x++)
{
dest[destOffset + x] = src[srcOffset + x];
}
}
}