src/lib-gmapkernel/g-map-generic/gmg-duplication.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;
//******************************************************************************
int CGMapGeneric::duplicateMarkedDarts(int AMarkNumber, int ADirectInfoIndex,
                                       bool ADuplicateEmbeddings,
                                       bool A0Sew, bool A1Sew,
                                       bool A2Sew, bool A3Sew)
{
  int nbDuplicated = 0;

  int duplicated = getNewMark();

  int directInfoIndex =
    ADirectInfoIndex<0 ? getNewDirectInfo() : ADirectInfoIndex;

  CDynamicCoverageAll it(this);

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

        if (ADuplicateEmbeddings)
          setMark(newDart, duplicated);

        (*it)->setDirectInfo(directInfoIndex, newDart);

        ++nbDuplicated;
      }

  // Coutures:
  sewDuplicatedDarts(&it, AMarkNumber, directInfoIndex,
                     A0Sew, A1Sew, A2Sew, A3Sew);

  // Duplication des plongements:
  if (ADuplicateEmbeddings)
    duplicateEmbeddingsOfDuplicatedDarts(&it,
                                         AMarkNumber, duplicated,
                                         directInfoIndex);

  // Libérations:
  if (ADirectInfoIndex<0)
    freeDirectInfo(directInfoIndex);

  freeMark(duplicated);

  return nbDuplicated;
}
//******************************************************************************
CDart * CGMapGeneric::duplicateDarts(CDart * ADart, TOrbit AOrbit,
                                    int ADirectInfoIndex,
                                    bool ADuplicateEmbeddings)
{
  assert(ADart!=NULL);

  int selected = getNewMark();
  int duplicated = getNewMark();

  int directInfoIndex =
    ADirectInfoIndex<0 ? getNewDirectInfo() : ADirectInfoIndex;

  CCoverage * cov = getDynamicCoverage(ADart, AOrbit);

  // Duplication des brins:
  for (; cov->cont(); ++(*cov))
    {
      CDart * newDart = addMapDart();
      setMark(newDart, duplicated);
      setMark(**cov, selected);
      (**cov)->setDirectInfo(directInfoIndex, newDart);
    }

  // Coutures:
  sewDuplicatedDarts(cov, selected, directInfoIndex,
                     AND_ORBIT(AOrbit, ORBIT_0) != ORBIT_SELF,
                     AND_ORBIT(AOrbit, ORBIT_1) != ORBIT_SELF,
                     AND_ORBIT(AOrbit, ORBIT_2) != ORBIT_SELF,
                     AND_ORBIT(AOrbit, ORBIT_3) != ORBIT_SELF);

  // Duplication des plongements:
  if (ADuplicateEmbeddings)
    duplicateEmbeddingsOfDuplicatedDarts(cov,
                                         selected, duplicated,
                                         directInfoIndex);

  // Libérations:
  CDart * result = getDirectInfoAsDart(ADart, directInfoIndex);

  for (cov->reinit(); cov->cont(); ++(*cov))
    unsetMark(**cov, selected);

  delete cov;

  if (ADirectInfoIndex<0)
    freeDirectInfo(directInfoIndex);

  freeMark(selected);
  freeMark(duplicated);

  return result;
}
//******************************************************************************
#define DUP(D) (getDirectInfoAsDart(D, ADirectInfoIndex))
//******************************************************************************
void CGMapGeneric::sewDuplicatedDarts(CCoverage * ACoverage,
                                      int AMarkNumber, int ADirectInfoIndex,
                                      bool A0Sew, bool A1Sew,
                                      bool A2Sew, bool A3Sew)
{
  assert(ACoverage!=NULL);
  assert(AMarkNumber>=0);
  assert(ADirectInfoIndex>=0);

  // 0 et 1 coutures:
  for (ACoverage->reinit(); ACoverage->cont(); ++(*ACoverage))
    {
      CDart * d = **ACoverage;

      if (AMarkNumber<0 || isMarked(d, AMarkNumber))
        {
          if (A0Sew)
            if (!isFree0(d) && isMarked(alpha0(d), AMarkNumber) &&
                isFree0(DUP(d)))
              linkAlpha0(DUP(d), DUP(alpha0(d)));

          if (A1Sew)
            if (!isFree1(d) && isMarked(alpha1(d), AMarkNumber) &&
                isFree1(DUP(d)))
              linkAlpha1(DUP(d), DUP(alpha1(d)));
        }
    }

  // 2 and 3 coutures:
  for (ACoverage->reinit(); ACoverage->cont(); ++(*ACoverage))
    {
      CDart * d = **ACoverage;

      if (isMarked(d, AMarkNumber))
        {
          if (A2Sew)
            if (!isFree2(d) && isMarked(alpha2(d), AMarkNumber) &&
                canSew2(DUP(d), DUP(alpha2(d))))
              topoSew2(DUP(d), DUP(alpha2(d)));
        
          if (A3Sew)
            if (!isFree3(d) && isMarked(alpha3(d), AMarkNumber) &&
                canSew3(DUP(d), DUP(alpha3(d))))
              topoSew3(DUP(d), DUP(alpha3(d)));
        }
    }
}
//******************************************************************************
void CGMapGeneric::duplicateEmbeddingsOfDuplicatedDarts(CCoverage * ACoverage,
                                                        int AMarkInitial,
                                                        int AMarkDuplicated,
                                                        int ADirectInfoIndex)
{
  assert(ACoverage!=NULL);
  assert(AMarkInitial>=0);
  assert(AMarkDuplicated>=0);
  assert(ADirectInfoIndex>=0);
  assert(AMarkInitial!=AMarkDuplicated);

  int treated = getNewMark();

  for (int i=ORBIT_0; i<=ORBIT_0123; ++i)
    if (isOrbitUsed(TOrbit(i)))
      {
        // Duplication pour l'orbite i:
        for (ACoverage->reinit(); ACoverage->cont(); ++(*ACoverage))
          {
            CDart * d = **ACoverage;

            if (!isMarked(d, treated))
              {
                if (isMarked(d, AMarkInitial))
                  {
                    CDart * owner = getEmbeddingOwner(d, TOrbit(i));

                    if (owner!=NULL)
                      {
                        CEmbedding * E = owner->getEmbedding(TOrbit(i));
                        assert(E!=NULL);
                
                        CCoverage * cov = getDynamicCoverage(d, TOrbit(i));
                        assert(cov!=NULL);
                        
                        for (; cov->cont(); setMark(**cov, treated), ++(*cov))
                          if (isMarked(**cov, AMarkInitial) &&
                              !isMarked(DUP(**cov), treated))
                            {
                              CEmbedding * dupE = E->copy();
                              DUP(**cov)->addEmbedding(dupE);
                              
                              markOrbit(DUP(**cov), TOrbit(i), treated);
                              unmarkOrbit(DUP(**cov), TOrbit(i), AMarkDuplicated);
                            }
                        
                        delete cov;
                      }
                  }
                else
                  if (!isMarked(d, AMarkDuplicated))
                    setMark(d, treated);
              }
          }

        // Démarquage:
        if (ACoverage->type() == COVERAGE_ALL)
          negateMaskMark(treated);
        else
          for (ACoverage->reinit(); ACoverage->cont(); ++(*ACoverage))
            {
              if (isMarked(**ACoverage, treated))
                unmarkOrbit(**ACoverage, TOrbit(i), treated);

              if (isMarked(DUP(**ACoverage), treated))
                unmarkOrbit(DUP(**ACoverage), TOrbit(i), treated);
            }
      }

  freeMark(treated);
}
//******************************************************************************
#undef DUP
//******************************************************************************

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