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/******************************************************************************
 *       __    _    _   _       _       _   _____                             *
 *       | \  / |  | | | |     | |     | |  | ___|                            *
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 *       |_|  |_|  |_| |____|  |____|  |_|  |____|                            *
 * __________________________________________________________________________ *
 *                 Multifunctional Library For Image Processing               *
 *                                                                            *
 *                                                                            *
 *                                                                            *
 *      (c) Copyright 2007 by Humbert Florent                                 *
 *                                                                            *
 *      This program is free software; you can redistribute it and/or modify  *
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 *      Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA             *
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 ******************************************************************************/

#include "PointOperator.hpp"

using namespace Millie;


PointOperator::PointOperator(const LocalPointOperator& localOp)
{
   _localOperator = 0;
  _localOperator = localOp.clone();
}

PointOperator::~PointOperator()
{
 delete _localOperator;
}

PointOperator::PointOperator(LocalPointOperator* localOp)
{
  if(localOp == 0)
   throw NullPointer("PointOperator::PointOperator");

  _localOperator = localOp;
}

PointOperator* PointOperator::PointOperator::clone() const
{
  return new PointOperator(*this);
}

PointOperator::PointOperator(const PointOperator& pointOp)
{
 _localOperator = pointOp._localOperator->clone();
}

LocalPointOperator& PointOperator::getLocalPointOperator()
{
  return *_localOperator;
}

void PointOperator::compute(Image& out, const Image& in)
{
  if(out.getNumComponents() != in.getNumComponents())
    throw IllegalArgument("PointOperator : num components problem");

  out.resize(in.getWidth(), in.getHeight());


  LocalPointOperator & localOp = getLocalPointOperator();

  for(int canal=0; canal< in.getNumComponents(); canal++)
    for (int y=0; y<in.getHeight(); y++)
      for (int x=0; x< in.getWidth(); x++)
        out.setPixel(x, y, canal, localOp.computePoint(in.getPixel(x, y, canal)));
}

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