//----------------------------------------------------------------------------
//  EgalTech 2020-2020
//----------------------------------------------------------------------------
// File : EGkSurfBezier.h      Data : 22.03.20          Versione : 2.2c3
// Contenuto : Dichiarazione della interfaccia ISurfBezier.
//
//
//
// Modifiche : 22.03.20 DS Creazione modulo.
//
//
//----------------------------------------------------------------------------

#pragma once

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

class PolyLine ;
class ICurveComposite ;
class ISurfFlatRegion ;
class ISurfTriMesh ;

//----------------------------------------------------------------------------
class __declspec( novtable) ISurfBezier : public ISurf
{
   public :
      enum Side { FROM_MINUS = -1,     // da valori inferiori del parametro
                  FROM_PLUS  = 1} ;    // da valori superiori del parametro
   public :                      // IGeoObj
      ISurfBezier* Clone( void) const override = 0 ;
   public :
      virtual bool CopyFrom( const IGeoObj* pGObjSrc) = 0 ;
      virtual bool Init( int nDegU, int nDegV, int nSpanU, int nSpanV, bool bIsRational) = 0 ;
      virtual bool SetControlPoint( int nIndU, int nIndV, const Point3d& ptCtrl) = 0 ;
      virtual bool SetControlPoint( int nInd, const Point3d& ptCtrl) = 0 ;
      virtual bool SetControlPoint( int nIndU, int nIndV, const Point3d& ptCtrl, double dW) = 0 ;
      virtual bool SetControlPoint( int nInd, const Point3d& ptCtrl, double dW) = 0 ;
      virtual bool SetTrimRegion( const ISurfFlatRegion& sfrTrimReg) = 0 ;
      virtual ISurfFlatRegion* GetTrimRegion( void) const = 0 ;
      virtual bool GetInfo( int& nDegU, int& nDegV, int& nSpanU, int& nSpanV, bool& bIsRat, bool& bTrimmed) const = 0 ;
      virtual const Point3d& GetControlPoint( int nIndU, int nIndV, bool* pbOk) const = 0 ;
      virtual const Point3d& GetControlPoint( int nInd, bool* pbOk) const = 0 ;
      virtual double GetControlWeight( int nIndU, int nIndV, bool* pbOk) const = 0 ;
      virtual double GetControlWeight( int nInd, bool* pbOk) const = 0 ;
      virtual bool IsAPoint( void) const = 0 ;
      virtual bool GetPointD1D2( double dU, double dV, Side nUs, Side nVs,
                                 Point3d& ptPos,
                                 Vector3d* pvtDerU = nullptr, Vector3d* pvtDerV = nullptr,
                                 Vector3d* pvtDerUU = nullptr, Vector3d* pvtDerVV = nullptr, Vector3d* pvtDerUV = nullptr) const = 0 ;
      virtual bool GetPointNrmD1D2( double dU, double dV, Side nUs, Side nVs,
                                    Point3d& ptPos, Vector3d& vtN,
                                    Vector3d* pvtDerU = nullptr, Vector3d* pvtDerV = nullptr,
                                    Vector3d* pvtDerUU = nullptr, Vector3d* pvtDerVV = nullptr, Vector3d* pvtDerUV = nullptr) const = 0 ;
      virtual ICurveComposite* GetCurveOnU( double dV) const = 0 ;
      virtual ICurveComposite* GetCurveOnV( double dU) const = 0 ;
      virtual ICurveComposite* GetLoop( int nLoop) const = 0 ;                               // nLoop 0-based (1°esterno, successivi interni) 
      virtual bool GetControlCurveOnU( int nIndV, PolyLine& plCtrlU) const = 0 ;
      virtual bool GetControlCurveOnV( int nIndU, PolyLine& plCtrlV) const = 0 ;
      virtual const ISurfTriMesh* GetAuxSurf( void) const = 0 ;
      virtual bool GetLeaves ( std::vector<std::tuple<int, Point3d, Point3d>>& vLeaves) const = 0 ;
} ;

//-----------------------------------------------------------------------------
static const double SBZ_TREG_COEFF = 1000 ;

//-----------------------------------------------------------------------------
inline ISurfBezier* CreateSurfBezier( void)
               { return (static_cast<ISurfBezier*>( CreateGeoObj( SRF_BEZIER))) ; }
inline ISurfBezier* CloneSurfBezier( const IGeoObj* pGObj)
               { if ( pGObj == nullptr  ||  pGObj->GetType() != SRF_BEZIER)
                    return nullptr ;
                 return (static_cast<ISurfBezier*>(pGObj->Clone())) ; }
inline const ISurfBezier* GetSurfBezier( const IGeoObj* pGObj)
               { if ( pGObj == nullptr  ||  pGObj->GetType() != SRF_BEZIER)
                    return nullptr ;
                 return (static_cast<const ISurfBezier*>(pGObj)) ; }
inline ISurfBezier* GetSurfBezier( IGeoObj* pGObj)
               { if ( pGObj == nullptr  ||  pGObj->GetType() != SRF_BEZIER)
                    return nullptr ;
                 return (static_cast<ISurfBezier*>(pGObj)) ; }

//----------------------------------------------------------------------------
// Raccolte di puntatori a ISurfBezier
typedef std::vector<const ISurfBezier*>    CISURFBEZPVECTOR ;   // vettore di puntatori a const ISurfBezier
typedef std::vector<ISurfBezier*>          ISURFBEZPVECTOR ;    // vettore di puntatori a ISurfBezier
typedef std::list<ISurfBezier*>            ISURFBEZPLIST ;      // lista di puntatori a ISurfBezier
typedef std::vector<PtrOwner<ISurfBezier>> ISURFBEZPOVECTOR ;   // vettore di puntatori esclusivi a ISurfBezier