//----------------------------------------------------------------------------
//  EgalTech 2015-2025
//----------------------------------------------------------------------------
// File : EGkOffsetCurve.h       Data : 08.04.25       Versione : 2.7d1
// Contenuto : Dichiarazione classe per offset di ICurve.
//
//
// Modifiche : 23.09.15 DS Creazione modulo.
//             24.06.19 DS Agg. GetShorterCurve.
//             08.04.25 SP Agg. GetPointOffset.
//
//----------------------------------------------------------------------------

#pragma once

#include "/EgtDev/Include/EGkCurve.h"

//----------------------- Macro per import/export ----------------------------
#undef EGK_EXPORT
#if defined( I_AM_EGK)            // da definirsi solo nella DLL
   #define EGK_EXPORT __declspec( dllexport)
#else
   #define EGK_EXPORT __declspec( dllimport)
#endif

//----------------------------------------------------------------------------
class OffsetCurve
{
   public :
      EGK_EXPORT OffsetCurve(): m_dLinTol( 10 * EPS_SMALL) {} ;
      EGK_EXPORT OffsetCurve( double dLinTol) : m_dLinTol( dLinTol) {} ;
      EGK_EXPORT ~OffsetCurve( void) ;

   public :
      EGK_EXPORT bool Reset( void) ;
      EGK_EXPORT bool Make( const ICurve* pCrv, double dDist, int nType) ;
      EGK_EXPORT int GetCurveCount( void) { return int( m_CrvLst.size()) ; }
      EGK_EXPORT ICurve* GetCurve( void) ;
      EGK_EXPORT ICurve* GetLongerCurve( void) ;
      EGK_EXPORT ICurve* GetShorterCurve( void) ;
      EGK_EXPORT bool GetPointOffset( Point3d& ptOffs, Vector3d& vtOut) ;
      EGK_EXPORT double GetLinTol( void) const { return m_dLinTol ; }
      EGK_EXPORT void SetLinTol( double dTol) { m_dLinTol = dTol ; }

   private :
      ICURVEPLIST m_CrvLst ;
      Point3d m_ptOffs = P_INVALID ;
      Vector3d m_vtOut = V_INVALID ;
      double m_dLinTol ;
} ;