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/**************************************************************************
/* Base class for noise-remover variants.
/*
/* Copyright (c) 2009 by Bernhard Bablok (mail@bablokb.de)
/*
/* This program is free software; you can redistribute it and/or modify
/* it under the terms of the GNU Library General Public License as published
/* by the Free Software Foundation; either version 2 of the License or
/* (at your option) any later version.
/*
/* This program 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 Library General Public License for more details.
/*
/* You should have received a copy of the GNU Library General Public License
/* along with this program; see the file COPYING.LIB. If not, write to
/* the Free Software Foundation Inc., 59 Temple Place - Suite 330,
/* Boston, MA 02111-1307 USA
/**************************************************************************/
package org.im4java.utils;
import org.im4java.core.*;
/**
This class is the base class of all noise-remover classes.
@version $Revision: 1.6 $
@author $Author: bablokb $
*/
public class NoiseFilter extends IMOperation {
//////////////////////////////////////////////////////////////////////////////
/**
Constructor: creates a clone of the image and apply the operation
(typically -despeckle, -blur or -noise).
*/
public NoiseFilter(IMOperation pOperation) {
openOperation();
clone(0);
addOperation(pOperation);
closeOperation();
}
//////////////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////////////
public static class Edge extends NoiseFilter {
///////////////////////////////////////////////////////////////////////////
/**
Constructor.
*/
public Edge(IMOperation pOperation, double pRadius) {
// blurred version as a clone
super(pOperation);
// create the mask (also a clone)
openOperation();
clone(0);
edge(pRadius);
negate();
closeOperation();
// compose original and blurred version using the mask
compose("Over");
composite();
}
}
//////////////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////////////
public static class Threshold extends NoiseFilter {
///////////////////////////////////////////////////////////////////////////
/**
Constructor (pass blackpoint and whitepoint as percentages)
*/
public Threshold(IMOperation pOperation, double pBlackPoint,
double pWhitePoint) {
// blurred version as a clone
super(pOperation);
// create the mask (also a clone)
openOperation();
clone(0);
blackThreshold(pBlackPoint);
whiteThreshold(pWhitePoint);
negate();
closeOperation();
// compose original and blurred version using the mask
compose("Over");
composite();
}
}
//////////////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////////////
public static class Level extends NoiseFilter {
///////////////////////////////////////////////////////////////////////////
/**
Constructor (pass blackpoint and whitepoint as percentages)
*/
public Level(IMOperation pOperation, double pBlackPoint,
double pWhitePoint, double pGamma) {
// blurred version as a clone
super(pOperation);
// create the mask (also a clone)
openOperation();
clone(0);
level(pBlackPoint,pWhitePoint,true,pGamma);
negate();
closeOperation();
// compose original and blurred version using the mask
compose("Over");
composite();
}
}
}
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