//----------------------------------------------------------------------------
//  EgalTech 2015-2015
//----------------------------------------------------------------------------
// File : EgkSurfFlatRegion.h      Data : 05.08.15          Versione : 1.6h2
// Contenuto : Dichiarazione della interfaccia ISurfFlatRegion.
//
//
//
// Modifiche : 05.08.15 DS Creazione modulo.
//
//
//----------------------------------------------------------------------------

#pragma once

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

class ISurfTriMesh ;

//----------------------------------------------------------------------------
class __declspec( novtable) ISurfFlatRegion : public ISurf
{
   public :
      virtual bool CopyFrom( const IGeoObj* pGObjSrc) = 0 ;
      virtual bool Clear( void) ;
      virtual bool AddExtLoop( const ICurve& cCrv) = 0 ;
      virtual bool AddExtLoop( ICurve* pCrv) = 0 ;
      virtual bool AddIntLoop( const ICurve& cCrv) = 0 ;
      virtual bool AddIntLoop( ICurve* pCrv) = 0 ;
      virtual const Vector3d& GetNormVersor( void) const = 0 ;
      virtual int  GetChunkCount( void) const = 0 ;
      virtual int  GetLoopCount( int nChunk) const = 0 ;
      virtual ICurve* GetLoop( int nChunk, int nLoop) const = 0 ;   // nChunk 0-based, nLoop 0-based (1°esterno, successivi interni) 
      virtual const ISurfTriMesh* GetAuxSurf( void) const = 0 ;
      virtual ISurfFlatRegion* CloneChunk( int nChunk) const = 0 ;
      virtual bool GetCurveClassification( const ICurve& Crv, CRVCVECTOR& ccClass) const = 0 ;
} ;

//-----------------------------------------------------------------------------
inline ISurfFlatRegion* CreateSurfFlatRegion( void)
               { return (static_cast<ISurfFlatRegion*>( CreateGeoObj( SRF_FLATRGN))) ; }
inline ISurfFlatRegion* CloneSurfFlatRegion( const IGeoObj* pGObj)
               { if ( pGObj == nullptr  ||  pGObj->GetType() != SRF_FLATRGN)
                    return nullptr ;
                 return (static_cast<ISurfFlatRegion*>(pGObj->Clone())) ; }
inline const ISurfFlatRegion* GetSurfFlatRegion( const IGeoObj* pGObj)
               { if ( pGObj == nullptr  ||  pGObj->GetType() != SRF_FLATRGN)
                    return nullptr ;
                 return (static_cast<const ISurfFlatRegion*>(pGObj)) ; }
inline ISurfFlatRegion* GetSurfFlatRegion( IGeoObj* pGObj)
               { if ( pGObj == nullptr  ||  pGObj->GetType() != SRF_FLATRGN)
                    return nullptr ;
                 return (static_cast<ISurfFlatRegion*>(pGObj)) ; }