/////////////////////////////////////////////////////////////////////////////// 
// Copyright (C) 2002-2025, Open Design Alliance (the "Alliance"). 
// All rights reserved. 
// 
// This software and its documentation and related materials are owned by 
// the Alliance. The software may only be incorporated into application 
// programs owned by members of the Alliance, subject to a signed 
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// trade secrets of the Alliance and its suppliers. The software is also 
// protected by copyright law and international treaty provisions. Application  
// programs incorporating this software must include the following statement 
// with their copyright notices:
//   
//   This application incorporates Open Design Alliance software pursuant to a license 
//   agreement with Open Design Alliance.
//   Open Design Alliance Copyright (C) 2002-2025 by Open Design Alliance. 
//   All rights reserved.
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///////////////////////////////////////////////////////////////////////////////

#ifndef _ODDBFACEGRIPPOINTS_INCLUDED
#define _ODDBFACEGRIPPOINTS_INCLUDED

#include "Ge/GeLine3d.h"
#include "Ge/GePlanarEnt.h"
#include "DbFace.h"
#include "DbGripPoints.h"

/************************************************************************/
/* This class is an implementation of the OdDbGripPointsPE class for    */
/* OdDbFace entities.                                                   */
/************************************************************************/
class OdDbFaceGripPointsPE : public OdDbGripPointsPE
{
   OdGePoint3d getPlanePoint(const OdDbFacePtr pFace, OdGePoint3d Point) const
   {
      OdGePlane       plane;                     // recalculated Point in plane of pFace
      OdDb::Planarity planarity;

      pFace->getPlane(plane, planarity);
      plane.intersectWith(OdGeLine3d(Point, plane.normal()), Point);

      return Point;
   }

public:
  virtual OdResult getGripPoints( const OdDbEntity* pEntity, OdGePoint3dArray& gripPoints ) const;
  virtual OdResult moveGripPointsAt( OdDbEntity* pEntity, const OdIntArray& indices, const OdGeVector3d& offset );
  virtual OdResult getStretchPoints( const OdDbEntity* pEntity, OdGePoint3dArray& stretchPoints ) const;
  virtual OdResult moveStretchPointsAt( OdDbEntity* pEntity, const OdIntArray& indices, const OdGeVector3d& offset );
  virtual OdResult getOsnapPoints( 
    const OdDbEntity* pEntity, 
    OdDb::OsnapMode osnapMode, 
    OdGsMarker gsSelectionMark, 
    const OdGePoint3d& pickPoint,
    const OdGePoint3d& lastPoint, 
    const OdGeMatrix3d& xWorldToEye, 
    OdGePoint3dArray& snapPoints) const;
};

#endif // _ODDBFACEGRIPPOINTS_INCLUDED