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//******************************************************************************
//
// File: PixelChunk.java
// Package: edu.rit.mri
// Unit: Class edu.rit.mri.PixelChunk
//
// This Java source file is copyright (C) 2008 by Alan Kaminsky. All rights
// reserved. For further information, contact the author, Alan Kaminsky, at
// ark@cs.rit.edu.
//
// This Java source file is part of the Parallel Java Library ("PJ"). PJ is free
// software; you can redistribute it and/or modify it under the terms of the GNU
// General Public License as published by the Free Software Foundation; either
// version 3 of the License, or (at your option) any later version.
//
// PJ 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 General Public License for more details.
//
// Linking this library statically or dynamically with other modules is making a
// combined work based on this library. Thus, the terms and conditions of the
// GNU General Public License cover the whole combination.
//
// As a special exception, the copyright holders of this library give you
// permission to link this library with independent modules to produce an
// executable, regardless of the license terms of these independent modules, and
// to copy and distribute the resulting executable under terms of your choice,
// provided that you also meet, for each linked independent module, the terms
// and conditions of the license of that module. An independent module is a
// module which is not derived from or based on this library. If you modify this
// library, you may extend this exception to your version of the library, but
// you are not obligated to do so. If you do not wish to do so, delete this
// exception statement from your version.
//
// A copy of the GNU General Public License is provided in the file gpl.txt. You
// may also obtain a copy of the GNU General Public License on the World Wide
// Web at http://www.gnu.org/licenses/gpl.html.
//
//******************************************************************************
package edu.rit.mri;
import java.io.Externalizable;
import java.io.IOException;
import java.io.ObjectInput;
import java.io.ObjectOutput;
/**
* Class PixelChunk encapsulates a chunk of pixels on which to perform a spin
* relaxometry analysis.
*
* @author Alan Kaminsky
* @version 25-Jun-2008
*/
public class PixelChunk
implements Externalizable
{
// Hidden data members.
private static final long serialVersionUID = 1506538883148760846L;
private int fileIndex;
private int pixelIndex;
private int pixelCount;
// Exported constructors.
/**
* Construct a new, uninitialized pixel chunk object. This constructor is
* for use only by object deserialization.
*/
public PixelChunk()
{
}
/**
* Construct a new pixel chunk object.
*
* @param fileIndex File index.
* @param pixelIndex Pixel index of first pixel to analyze.
* @param pixelCount Number of pixels to analyze.
*/
public PixelChunk
(int fileIndex,
int pixelIndex,
int pixelCount)
{
this.fileIndex = fileIndex;
this.pixelIndex = pixelIndex;
this.pixelCount = pixelCount;
}
// Exported operations.
/**
* Get the file index.
*
* @return File index.
*/
public int fileIndex()
{
return fileIndex;
}
/**
* Get the pixel index of the first pixel to analyze.
*
* @return Pixel index.
*/
public int pixelIndex()
{
return pixelIndex;
}
/**
* Get the number of pixels to analyze.
*
* @return Pixel count.
*/
public int pixelCount()
{
return pixelCount;
}
/**
* Write this pixel chunk object to the given object output stream.
*
* @param out Object output stream.
*
* @exception IOException
* Thrown if an I/O error occurred.
*/
public void writeExternal
(ObjectOutput out)
throws IOException
{
out.writeInt (fileIndex);
out.writeInt (pixelIndex);
out.writeInt (pixelCount);
}
/**
* Read this pixel chunk object from the given object input stream.
*
* @param in Object input stream.
*
* @exception IOException
* Thrown if an I/O error occurred.
*/
public void readExternal
(ObjectInput in)
throws IOException
{
fileIndex = in.readInt();
pixelIndex = in.readInt();
pixelCount = in.readInt();
}
}
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