//----------------------------------------------------------------------------
//  EgalTech 2014-2014
//----------------------------------------------------------------------------
// File : IntersCrvCompoCrvCompo.h      Data : 24.06.14      Versione : 1.5f6
// Contenuto : Dichiarazione della classe intersezione curva composita/cc.
//
//
//
// Modifiche : 24.06.14 DS Creazione modulo.
//
//
//----------------------------------------------------------------------------

#pragma once

#include "/EgtDev/Include/EGkIntersCurves.h"
#include "/EgtDev/Include/EGkCurveComposite.h"


//-----------------------------------------------------------------------------
class IntersCrvCompoCrvCompo
{
   friend class IntersCurveCurve ;
   friend class SelfIntersCurve ;

   public :
      IntersCrvCompoCrvCompo( const ICurveComposite& CCompo1, const ICurveComposite& CCompo2) ;

   public :
      bool GetOverlaps( void)
              { return m_bOverlaps ; }
      int  GetNumInters( void)
              { return m_nNumInters ; }
      bool GetIntCrvCrvInfo( int nInd, IntCrvCrvInfo& aInfo)
              { if ( nInd < 0  ||  nInd >= m_nNumInters)
                   return false ;
                aInfo = m_Info[nInd] ;
                return true ; }

   private :
      IntersCrvCompoCrvCompo( void) ;
      bool IntersSimpleCurves( const ICurve& CurveA, int nA, const ICurve& CurveB, int nB,
                               bool bAutoInters, bool bClosed, int nCurvesNbr) ;
      bool EraseCurrentInfo( int& nIndCurr, int& nIndOther) ;
      bool EraseOtherInfo( int& nIndCurr, int& nIndOther) ;

   private :
      bool       m_bOverlaps ;
      int        m_nNumInters ;
      ICCIVECTOR m_Info ;
} ;

//-----------------------------------------------------------------------------
// Per ordinare le info di intersezione secondo il parametro crescente (con stable_sort)
bool SortGreaterA( const IntCrvCrvInfo& aInfo1, const IntCrvCrvInfo& aInfo2) ;
bool SortGreaterB( const IntCrvCrvInfo& aInfo1, const IntCrvCrvInfo& aInfo2) ;
// Per tener conto di intersezioni con parti non manifold
bool OrderNonManifoldInters( ICCIVECTOR& Info, const ICurve& CurveA, const ICurve& CurveB) ;