// Created on: 1994-08-25
// Created by: Jacques GOUSSARD
// Copyright (c) 1994-1999 Matra Datavision
// Copyright (c) 1999-2014 OPEN CASCADE SAS
//
// This file is part of Open CASCADE Technology software library.
//
// This library is free software; you can redistribute it and/or modify it under
// the terms of the GNU Lesser General Public License version 2.1 as published
// by the Free Software Foundation, with special exception defined in the file
// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
// distribution for complete text of the license and disclaimer of any warranty.
//
// Alternatively, this file may be used under the terms of Open CASCADE
// commercial license or contractual agreement.

#ifndef _BRepTools_Modifier_HeaderFile
#define _BRepTools_Modifier_HeaderFile

#include <Standard.hxx>
#include <Standard_DefineAlloc.hxx>
#include <Standard_Handle.hxx>

#include <TopTools_DataMapOfShapeShape.hxx>
#include <TopTools_MapOfShape.hxx>
#include <TopTools_IndexedDataMapOfShapeListOfShape.hxx>
#include <TopoDS_Edge.hxx>
#include <TopoDS_Face.hxx>
#include <TopoDS_Vertex.hxx>
#include <Standard_Boolean.hxx>

#include <NCollection_DataMap.hxx>
#include <TopoDS_Shape.hxx>
#include <TopTools_ShapeMapHasher.hxx>
#include <TopLoc_Location.hxx>
#include <Message_ProgressRange.hxx>

class BRepTools_Modification;
class Geom_Curve;
class Geom_Surface;

//! Performs geometric modifications on a shape.
class BRepTools_Modifier 
{
public:

  DEFINE_STANDARD_ALLOC
  
  //! Creates an empty Modifier.
  Standard_EXPORT BRepTools_Modifier(Standard_Boolean theMutableInput = Standard_False);
  
  //! Creates a modifier on the shape <S>.
  Standard_EXPORT BRepTools_Modifier(const TopoDS_Shape& S);
  
  //! Creates a modifier on  the shape <S>, and performs
  //! the modifications described by <M>.
  Standard_EXPORT BRepTools_Modifier(const TopoDS_Shape& S, const Handle(BRepTools_Modification)& M);
  
  //! Initializes the modifier with the shape <S>.
  Standard_EXPORT void Init (const TopoDS_Shape& S);
  
  //! Performs the modifications described by <M>.
  Standard_EXPORT void Perform (const Handle(BRepTools_Modification)& M,
                                const Message_ProgressRange& theProgress = Message_ProgressRange());
  
  //! Returns Standard_True if the modification has
  //! been computed successfully.
  Standard_Boolean IsDone() const;

  //! Returns the current mutable input state
  Standard_EXPORT Standard_Boolean IsMutableInput() const;

  //! Sets the mutable input state
  //! If true then the input (original) shape can be modified 
  //! during modification process
  Standard_EXPORT void SetMutableInput(Standard_Boolean theMutableInput);

  //! Returns the modified shape corresponding to <S>.
  const TopoDS_Shape& ModifiedShape (const TopoDS_Shape& S) const;
  

protected:
  


private:

  struct NewCurveInfo
  {
    Handle(Geom_Curve) myCurve;
    TopLoc_Location myLoc;
    Standard_Real myToler;
  };

  struct NewSurfaceInfo
  {
    Handle(Geom_Surface) mySurface;
    TopLoc_Location myLoc;
    Standard_Real myToler;
    Standard_Boolean myRevWires;
    Standard_Boolean myRevFace;
  };

  Standard_EXPORT void Put (const TopoDS_Shape& S);
  
  Standard_EXPORT Standard_Boolean Rebuild (const TopoDS_Shape& S,
                                            const Handle(BRepTools_Modification)& M,
                                            Standard_Boolean& theNewGeom,
                                            const Message_ProgressRange& theProgress = Message_ProgressRange());

  Standard_EXPORT void CreateNewVertices(
    const TopTools_IndexedDataMapOfShapeListOfShape& theMVE, 
    const Handle(BRepTools_Modification)& M);

  Standard_EXPORT void FillNewCurveInfo(
    const TopTools_IndexedDataMapOfShapeListOfShape& theMEF, 
    const Handle(BRepTools_Modification)& M);

  Standard_EXPORT void FillNewSurfaceInfo(const Handle(BRepTools_Modification)& M);

  Standard_EXPORT void CreateOtherVertices(
    const TopTools_IndexedDataMapOfShapeListOfShape& theMVE, 
    const TopTools_IndexedDataMapOfShapeListOfShape& theMEF, 
    const Handle(BRepTools_Modification)& M);

  TopTools_DataMapOfShapeShape myMap;
  TopoDS_Shape myShape;
  Standard_Boolean myDone;
  NCollection_DataMap<TopoDS_Edge, NewCurveInfo, TopTools_ShapeMapHasher> myNCInfo;
  NCollection_DataMap<TopoDS_Face, NewSurfaceInfo, TopTools_ShapeMapHasher> myNSInfo;
  TopTools_MapOfShape myNonUpdFace;
  TopTools_MapOfShape myHasNewGeom;
  Standard_Boolean myMutableInput;

};


#include <BRepTools_Modifier.lxx>





#endif // _BRepTools_Modifier_HeaderFile