GEOMAlgo_Extractor.hxx

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// Copyright (C) 2007-2016  CEA/DEN, EDF R&D, OPEN CASCADE
//
// Copyright (C) 2003-2007  OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
// CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
//
// 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
//

// File:        GEOMAlgo_Extractor.hxx
// Author:      Sergey KHROMOV

#ifndef _GEOMAlgo_Extractor_HeaderFile
#define _GEOMAlgo_Extractor_HeaderFile


#include <GEOMAlgo_Algo.hxx>

#include <NCollection_List.hxx>
#include <TopoDS_Shape.hxx>
#include <TopTools_DataMapOfShapeListOfShape.hxx>
#include <TopTools_ListOfShape.hxx>
#include <TopTools_MapOfShape.hxx>
#include <TopTools_IndexedMapOfShape.hxx>


class GEOMAlgo_Extractor : public GEOMAlgo_Algo
{
public:

  Standard_EXPORT GEOMAlgo_Extractor();

  Standard_EXPORT virtual ~GEOMAlgo_Extractor();

  Standard_EXPORT void SetShape(const TopoDS_Shape &theShape);

  const TopoDS_Shape &GetShape() const
  { return myShape; }

  Standard_EXPORT void SetShapesToRemove
      (const TopTools_ListOfShape &theSubShapes);

  const TopTools_ListOfShape &GetShapesToRemove() const
  { return mySubShapes; }

  Standard_EXPORT virtual void Perform();

  Standard_EXPORT const TopoDS_Shape &GetResult() const;

  const TopTools_ListOfShape &GetRemoved() const
  { return myRemoved; }

  const TopTools_ListOfShape &GetModified() const
  { return myModified; }

  const TopTools_ListOfShape &GetNew() const
  { return myNew; }

private:

  void clear();

  void checkData();

  void makeMapShapeAncestors(const TopoDS_Shape &theShape);

  void markShapes();

  void markRemoved(const TopoDS_Shape &theShape);

  void markAncestorsModified(const TopoDS_Shape &theShape);

  void processShapes(const TopAbs_ShapeEnum &theType);

  void processEdge(const TopoDS_Shape &theEdge);

  void processWire(const TopoDS_Shape &theWire);

  void processFOrSo(const TopoDS_Shape &theFOrSo);

  void processShOrCS(const TopoDS_Shape &theShOrCS);

  void processCompound(const TopoDS_Shape &theCompound);

  void removeBoundsOnFOrSo(const TopAbs_ShapeEnum theType);

  TopoDS_Shape oriented(const TopoDS_Shape &theShape,
                        const TopoDS_Shape &theContext);

  TopoDS_Shape makeShape(const TopoDS_Shape         &theShape,
                         const TopTools_ListOfShape &theSubShapes);

  TopoDS_Shape getShapeFromSubShapes(const TopoDS_Shape         &theShape,
                                     const TopTools_ListOfShape &theSubShapes);

  TopoDS_Shape makeResult(const TopoDS_Shape &theShape);

  void makeHistory(const TopoDS_Shape        &theShape,
                         TopTools_MapOfShape &theMapFence);

  Standard_Boolean removeCommonEdges
                     (const TopoDS_Shape               &theWire,
                      const TopTools_IndexedMapOfShape &theMapEdgesToRm,
                            TopTools_ListOfShape       &theNewWires);

  Standard_Boolean removeCommonFaces
                     (const TopoDS_Shape               &theShell,
                      const TopTools_IndexedMapOfShape &theMapFacesToRm,
                            TopTools_ListOfShape       &theNewShells);

  void makeWires(const TopoDS_Shape                           &theWire,
                       NCollection_List<TopTools_ListOfShape> &theListListEdges,
                       TopTools_ListOfShape                   &theWires);

  void groupViaBounds(const TopoDS_Shape         &theShape,
                      const TopTools_ListOfShape &theSubShapes,
                            TopTools_ListOfShape &theNewShapes);

  void getModified(const TopoDS_Shape         &theShape,
                         TopTools_ListOfShape &theModifShapes,
                   const TopAbs_ShapeEnum      theShapeType = TopAbs_SHAPE);

protected:

  TopoDS_Shape                       myShape;
  TopoDS_Shape                       myResult;
  TopTools_ListOfShape               mySubShapes;
  TopTools_ListOfShape               myRemoved;
  TopTools_ListOfShape               myModified;
  TopTools_ListOfShape               myNew;
  TopTools_DataMapOfShapeListOfShape myMapShapeAnc;
  TopTools_MapOfShape                myMapRemoved;
  TopTools_DataMapOfShapeListOfShape myMapModified;
  TopTools_DataMapOfShapeListOfShape myMapNewShapeAnc;

};

#endif