/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.pdfbox.pdmodel.graphics.predictor;
/**
* The none algorithm.
*
* <code>None(i,j) = Raw(i,j)</code>
*
* <code>Raw(i,j) = None(i,j)</code>
*
* @author xylifyx@yahoo.co.uk
* @version $Revision: 1.3 $
*/
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);
}
/**
* {@inheritDoc}
*/
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];
}
}
/**
* {@inheritDoc}
*/
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];
}
}
}