GeomAlgoAPI_Offset.h

// Copyright (C) 2019-2025  CEA, EDF
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
// version 2.1 of the License, or (at your option) any later version.
//
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
//
// See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
//
 
#ifndef GeomAlgoAPI_Offset_H_
#define GeomAlgoAPI_Offset_H_
 
#include <GeomAlgoAPI.h>
#include <GeomAlgoAPI_MakeShape.h>
 
class GeomAPI_Pln;
 
enum class GeomAlgoAPI_OffsetJoint { KeepDistance, Arcs, Lines };
 
class GeomAlgoAPI_Offset : public GeomAlgoAPI_MakeShape
{
public:
  GEOMALGOAPI_EXPORT GeomAlgoAPI_Offset(const GeomShapePtr& theShape,
                                        const double theOffsetValue);
 
  GEOMALGOAPI_EXPORT GeomAlgoAPI_Offset
    (const GeomShapePtr& theShape,
     const double        theOffsetValue,
     const bool          isPipeJoint);
 
  GEOMALGOAPI_EXPORT GeomAlgoAPI_Offset
    (const GeomShapePtr& theShape,
     const ListOfShape&  theFaces,
     const double        theOffsetValue);
 
  GEOMALGOAPI_EXPORT GeomAlgoAPI_Offset
    (const std::shared_ptr<GeomAPI_Pln>& thePlane,
     const GeomShapePtr& theEdgeOrWire,
     const double theOffsetValue,
     const GeomAlgoAPI_OffsetJoint theJoint = GeomAlgoAPI_OffsetJoint::KeepDistance,
     const bool theIsApprox = false);
 
  GEOMALGOAPI_EXPORT virtual void generated(const GeomShapePtr theOldShape,
                                            ListOfShape& theNewShapes);
 
private:
  void buildSimple(const GeomShapePtr& theShape,
                   const double        theOffsetValue);
 
  void buildByJoin(const GeomShapePtr& theShape,
                   const double        theOffsetValue,
                   const bool          isPipeJoint);
 
  void buildPartial(const GeomShapePtr& theShape,
                    const ListOfShape&  theFaces,
                    const double        theOffsetValue);
 
  void build2d(const std::shared_ptr<GeomAPI_Pln>& thePlane,
               const GeomShapePtr& theEdgeOrWire,
               const double theOffsetValue,
               const GeomAlgoAPI_OffsetJoint theJoint = GeomAlgoAPI_OffsetJoint::KeepDistance,
               const bool theIsApprox = false);
};
 
#endif