//----------------------------------------------------------------------------
//  EgalTech 2015-2023
//----------------------------------------------------------------------------
// File : EGkPolygon3d.h         Data : 17.12.23          Versione : 2.5l3
// Contenuto : Dichiarazione della classe Polygon3d (poligono nello spazio).
//
//
//
// Modifiche : 30.08.15 DS Creazione modulo.
//             19.06.19 DS Aggiunta GetVertices.
//             23.07.19 DS Aggiunte Offset e Invert.
//             02.10.20 DS A FromPlaneTrimmedWithBox aggiunto parametro dToler.
//
//----------------------------------------------------------------------------

#pragma once

#include "/EgtDev/Include/EGkPlane3d.h"
#include "/EgtDev/Include/EGkTriangle3d.h"
#include "/EgtDev/Include/EGkPolyLine.h"
#include "/EgtDev/Include/EGkGeoCollection.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 Polygon3d
{
   public :
      EGK_EXPORT bool Clear( void) ;
      EGK_EXPORT bool ClearSides( void) ;
      EGK_EXPORT bool FromTriangle( const Triangle3d& trTria) ;
      EGK_EXPORT bool FromRectangle( double dDimX, double dDimY) ;
      EGK_EXPORT bool FromPolyLine( const PolyLine& PL) ;
      EGK_EXPORT bool FromPlaneTrimmedWithBox( const Plane3d& plPlane,
                                               const Point3d& ptMin, const Point3d& ptMax, bool bOnEq = false, bool bOnCt = false, double dToler = EPS_SMALL) ;
      EGK_EXPORT bool FromPlaneTrimmedWithBox( const Point3d& ptOn, const Vector3d& vtN,
                                               const Point3d& ptMin, const Point3d& ptMax, bool bOnEq = false, bool bOnCt = false, double dToler = EPS_SMALL) ;
      EGK_EXPORT bool Trim( const Plane3d& plPlane, bool bInVsOut, bool bOnEq = false, bool bOnCt = false) ;
      EGK_EXPORT bool Trim( const Polygon3d& plyOther, bool bInVsOut, bool bOnEq = false, bool bOnCt = false) ;
      EGK_EXPORT bool Add( const Polygon3d& plyOther) ;
      EGK_EXPORT void Offset( double dDist)
                         { Translate( dDist * m_Plane.GetVersN()) ; }
      EGK_EXPORT void Invert( void) ;
      EGK_EXPORT void Translate( const Vector3d& vtMove) ;
      EGK_EXPORT bool Rotate( const Point3d& ptAx, const Vector3d& vtAx, double dAngDeg)
                         { double dAngRad = dAngDeg * DEGTORAD ;
                           return Rotate( ptAx, vtAx, cos( dAngRad), sin( dAngRad)) ; }
      EGK_EXPORT bool Rotate( const Point3d& ptAx, const Vector3d& vtAx, double dCosAng, double dSinAng) ;
      EGK_EXPORT bool Scale( const Frame3d& frRef, double dCoeffX, double dCoeffY, double dCoeffZ) ;
      EGK_EXPORT bool Mirror( const Point3d& ptOn, const Vector3d& vtNorm) ;
      EGK_EXPORT bool Shear( const Point3d& ptOn, const Vector3d& vtNorm, const Vector3d& vtDir, double dCoeff) ;
      EGK_EXPORT bool ToGlob( const Frame3d& frRef) ;
      EGK_EXPORT bool ToLoc( const Frame3d& frRef) ;
      EGK_EXPORT bool LocToLoc( const Frame3d& frOri, const Frame3d& frDest) ;
      EGK_EXPORT bool GetLocalBBox( BBox3d& b3Loc) const ;
      EGK_EXPORT bool IsValid( void) const
                            { return ! m_Plane.GetVersN().IsSmall() ; }
      EGK_EXPORT const Plane3d& GetPlane( void) const
                            { return m_Plane ; }
      EGK_EXPORT const Vector3d& GetVersN( void) const
                            { return m_Plane.GetVersN() ; }
      EGK_EXPORT double GetPlaneDist( void) const
                            { return m_Plane.GetDist() ; }
      EGK_EXPORT int  GetSideCount( void) const
                            { return ( IsValid() ? int( m_vVert.size()) : 0) ; }
      EGK_EXPORT const PNTVECTOR& GetVertices( void) const
                            { return m_vVert ; }
      EGK_EXPORT PolyLine GetPolyLine( void) const ;
      EGK_EXPORT Point3d GetCentroid( void) const ;
      EGK_EXPORT double GetPerimeter( void) const ;
      EGK_EXPORT double GetArea( void) const ;

   private :
      Plane3d   m_Plane ;                 // piano in cui giace il poligono
      PNTVECTOR m_vVert ;                 // elenco ordinato dei vertici del poligono (CCW da Z+ piano)
} ;

//----------------------------------------------------------------------------
// Raccolte di Polygon3d
typedef std::vector<Polygon3d>  POLYGVECTOR ;              // vettore di poligoni
typedef std::list<Polygon3d>    POLYGLIST ;                // lista di poligoni