SketchPlugin_Offset.h

// Copyright (C) 2020-2026  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 SketchPlugin_Offset_H_
#define SketchPlugin_Offset_H_
 
#include <SketchPlugin.h>
#include <SketchPlugin_ConstraintBase.h>
 
#include <GeomDataAPI_Point2D.h>
 
#include <GeomAPI_Edge.h>
 
class GeomAlgoAPI_MakeShape;
class GeomAlgoAPI_Offset;
class GeomAlgoAPI_WireBuilder;
 
class SketchPlugin_Offset : public SketchPlugin_ConstraintBase
{
public:
  inline static const std::string& ID()
  {
    static const std::string ID("SketchOffset");
    return ID;
  }
 
  SKETCHPLUGIN_EXPORT virtual const std::string& getKind()
  {
    static std::string MY_KIND = SketchPlugin_Offset::ID();
    return MY_KIND;
  }
 
  inline static const std::string& JOINT_ID()
  {
    static const std::string ID("offset_joint");
    return ID;
  }
 
  inline static const std::string& JOINT_KEEP_DISTANCE()
  {
    static const std::string ID("KeepDistance");
    return ID;
  }
 
  inline static const std::string& JOINT_ARCS()
  {
    static const std::string ID("Arcs");
    return ID;
  }
 
  inline static const std::string& JOINT_LINES()
  {
    static const std::string ID("Lines");
    return ID;
  }
 
  inline static const std::string& EDGES_ID()
  {
    static const std::string ID("segments");
    return ID;
  }
 
  inline static const std::string& VALUE_ID()
  {
    static const std::string ID("offset_value");
    return ID;
  }
 
  inline static const std::string& REVERSED_ID()
  {
    static const std::string ID("reversed");
    return ID;
  }
 
  inline static const std::string& APPROX_ID()
  {
    static const std::string ID("approx");
    return ID;
  }
 
  inline static const std::string& ADD_WIRE_ACTION_ID()
  {
    static const std::string ID("add_wire");
    return ID;
  }
 
  SKETCHPLUGIN_EXPORT virtual void attributeChanged(const std::string& theID);
 
  SKETCHPLUGIN_EXPORT virtual void execute();
 
  SKETCHPLUGIN_EXPORT virtual bool isPreviewNeeded() const { return true; }
 
  SKETCHPLUGIN_EXPORT virtual bool customAction(const std::string& theActionId);
 
  SKETCHPLUGIN_EXPORT virtual AISObjectPtr getAISObject(AISObjectPtr thePrevious);
 
  SketchPlugin_Offset();
 
protected:
  virtual void initAttributes();
 
private:
  bool findWires();
 
  void addToSketch (const std::list< std::shared_ptr<GeomAlgoAPI_MakeShape> >& theOffsetAlgos);
 
  void mkBSpline (FeaturePtr& theResult, const GeomEdgePtr& theEdge,
                  std::list<ObjectPtr>& thePoolOfFeatures);
 
  void updateExistentOrCreateNew (const GeomShapePtr& theShape, FeaturePtr& theFeature,
                                  std::list<ObjectPtr>& thePoolOfFeatures);
 
  bool findWireOneWay (const FeaturePtr& theFirstEdge,
                       const FeaturePtr& theEdge,
                       const std::shared_ptr<GeomDataAPI_Point2D>& theEndPoint,
                       std::set<FeaturePtr>& theEdgesSet,
                       std::set<FeaturePtr>& theProcessedEdgesSet,
                       std::list<FeaturePtr>& theChain,
                       const bool isPrepend = false);
 
  void makeFillet (const double theValue,
                   const std::shared_ptr<GeomAlgoAPI_WireBuilder>&,
                   const std::shared_ptr<GeomAlgoAPI_Offset>&,
                   std::list< std::shared_ptr<GeomAlgoAPI_MakeShape> >& theOffsetAlgos);
};
 
#endif