gmg-thickening.cc

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/*
 * lib-gmapkernel : Un noyau de 3-G-cartes et des opérations.
 * Copyright (C) 2004, Moka Team, Université de Poitiers, Laboratoire SIC
 *               http://www.sic.sp2mi.univ-poitiers.fr/
 * Copyright (C) 2009, Guillaume Damiand, CNRS, LIRIS,
 *               guillaume.damiand@liris.cnrs.fr, http://liris.cnrs.fr/
 *
 * This file is part of lib-gmapkernel
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation, either version 3 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 Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

//******************************************************************************
#include "g-map-generic.hh"
using namespace GMap3d;
//******************************************************************************
#define DUP1(D) (getDirectInfoAsDart(D, ADirectInfoIndex1))
#define DUP2(D) (getDirectInfoAsDart(D, ADirectInfoIndex2))
//******************************************************************************
int CGMapGeneric::thickenMarkedDarts(int AMarkNumber,
                     int ADirectInfoIndex1,
                     int ADirectInfoIndex2)
{
  int nbThickened = 0;
  int dup = getNewMark();

  CDynamicCoverageAll it(this);

  // Duplication des brins:
  for (; it.cont(); ++it)
    if (isMarked(*it, AMarkNumber))
      {
    CDart * newDart;

    newDart = addMapDart();
    setMark(newDart, dup);
    (*it)->setDirectInfo(ADirectInfoIndex1, newDart);

    newDart->setDirectInfo(ADirectInfoIndex1, *it);
    newDart->setDirectInfo(ADirectInfoIndex2, NULL);

    newDart = addMapDart();
    setMark(newDart, dup);
    (*it)->setDirectInfo(ADirectInfoIndex2, newDart);

    newDart->setDirectInfo(ADirectInfoIndex1, NULL);
    newDart->setDirectInfo(ADirectInfoIndex2, *it);

    ++nbThickened;
      }

  // Coutures:
  for (it.reinit(); it.cont(); ++it)
    if (isMarked(*it, AMarkNumber))
      {
    if (!isFree0(*it) && isMarked(alpha0(*it), AMarkNumber))
      linkAlpha0(DUP1(*it), DUP2(alpha0(*it)));
    
    if (!isFree1(*it) && isMarked(alpha1(*it), AMarkNumber))
      linkAlpha1(DUP1(*it), DUP2(alpha1(*it)));
      }

  for (it.reinit(); it.cont(); ++it)
    if (isMarked(*it, AMarkNumber))
      {
    if (!isFree2(*it) && isMarked(alpha2(*it), AMarkNumber) &&
        canSew2(DUP1(*it), DUP2(alpha2(*it))))
      topoSew2(DUP1(*it), DUP2(alpha2(*it)));
    
    if (!isFree3(*it) && isMarked(alpha3(*it), AMarkNumber) &&
        canSew3(DUP1(*it), DUP2(alpha3(*it))))
      topoSew3(DUP1(*it), DUP2(alpha3(*it)));
      }

  // Duplication des plongements:
  int treated = getNewMark();

  for (int i=ORBIT_0; i<=ORBIT_0123; ++i)
    if (isOrbitUsed(TOrbit(i)))
      {
    // Duplication pour l'orbite i:
    for (it.reinit(); it.cont(); ++it)
      if (!isMarked(*it, treated))
        {
          if (isMarked(*it, AMarkNumber))
        {
          CDart * owner = getEmbeddingOwner(*it, TOrbit(i));
          assert(owner!=NULL);

          CEmbedding * E = owner->getEmbedding(TOrbit(i));
          assert(E!=NULL);
        
          CCoverage * cov = getDynamicCoverage(*it, TOrbit(i));
          assert(cov!=NULL);
        
          for (; cov->cont(); setMark(**cov, treated), ++(*cov))
            if (isMarked(**cov, AMarkNumber))
              {
            if (!isMarked(DUP1(**cov), treated))
              {
                DUP1(**cov)->addEmbedding(E->copy());
                markOrbit(DUP1(**cov), TOrbit(i), treated);
                unmarkOrbit(DUP1(**cov), TOrbit(i), dup);
              }

            if (!isMarked(DUP2(**cov), treated))
              {
                DUP2(**cov)->addEmbedding(E->copy());
                markOrbit(DUP2(**cov), TOrbit(i), treated);
                unmarkOrbit(DUP2(**cov), TOrbit(i), dup);
              }
              }
        
          delete cov;
        }
          else
        if (!isMarked(*it, dup))
          setMark(*it, treated);
        }
    
    // Démarquage:
    negateMaskMark(treated);
      }

  freeMark(treated);
  freeMark(dup);

  return nbThickened;
}
//******************************************************************************
#undef DUP1
#undef DUP2
//******************************************************************************