/////////////////////////////////////////////////////////////////////////////// 
// Copyright (C) 2002-2019, 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) 2002-2019 by Open Design Alliance. 
//   All rights reserved.
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// By use of this software, its documentation or related materials, you 
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///////////////////////////////////////////////////////////////////////////////

#ifndef _ODDDELLIPSEGRIPPOINTS_INCLUDED
#define _ODDDELLIPSEGRIPPOINTS_INCLUDED

#include "Ge/GeLine3d.h"
#include "DbEllipse.h"
#include "DbGripPoints.h"

/************************************************************************/
/* This class is an implementation of the OdDbGripPointsPE class for    */
/* OdDbEllipse entities.                                                 */
/************************************************************************/
class OdDbEllipseGripPointsPE : public OdDbGripPointsPE
{
  OdGePoint3d getPlanePoint(const OdDbEllipsePtr circle, OdGePoint3d Point) const
  {
    OdGePlane       plane;                     // recalculated Point in plane of pCircle
    OdDb::Planarity planarity;

    circle->getPlane(plane, planarity);
    plane.intersectWith(OdGeLine3d(Point, circle->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;
protected:
  double m_lll;
};

#endif // _ODDDELLIPSEGRIPPOINTS_INCLUDED