text: // Created on: 1998-12-16
  // Created by: Roman LYGIN
  // Copyright (c) 1998-1999 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 _IGESToBRep_IGESBoundary_HeaderFile
  #define _IGESToBRep_IGESBoundary_HeaderFile
  
  #include <Standard.hxx>
  #include <Standard_Type.hxx>
  
  #include <IGESToBRep_CurveAndSurface.hxx>
  #include <TopoDS_Face.hxx>
  #include <gp_Trsf2d.hxx>
  #include <Standard_Real.hxx>
  #include <Standard_Integer.hxx>
  #include <Standard_Transient.hxx>
  #include <Standard_Boolean.hxx>
  #include <IGESData_HArray1OfIGESEntity.hxx>
  class IGESData_IGESEntity;
  class ShapeExtend_WireData;
  
  
  class IGESToBRep_IGESBoundary;
  DEFINE_STANDARD_HANDLE(IGESToBRep_IGESBoundary, Standard_Transient)
  
  //! This class is intended to translate IGES boundary entity
  //! (142-CurveOnSurface, 141-Boundary or 508-Loop) into the wire.
  //! Methods Transfer are virtual and are redefined in Advanced
  //! Data Exchange to optimize the translation and take into
  //! account advanced parameters.
  class IGESToBRep_IGESBoundary : public Standard_Transient
  {
  
  public:
  
    
    //! Empty constructor
    Standard_EXPORT IGESToBRep_IGESBoundary();
    
    //! Empty constructor
    Standard_EXPORT IGESToBRep_IGESBoundary(const IGESToBRep_CurveAndSurface& CS);
    
    //! Inits the object with parameters common for all
    //! types of IGES boundaries.
    //! <CS>: object to be used for retrieving translation parameters
    //! and sending messages,
    //! <entity>: boundary entity to be processed,
    //! <face>, <trans>, <uFact>: as for IGESToBRep_TopoCurve
    //! <filepreference>: preferred representation (2 or 3) given
    //! in the IGES file
    Standard_EXPORT void Init (const IGESToBRep_CurveAndSurface& CS, const Handle(IGESData_IGESEntity)& entity, const TopoDS_Face& face, const gp_Trsf2d& trans, const Standard_Real uFact, const Standard_Integer filepreference);
    
    //! Returns the resulting wire
      Handle(ShapeExtend_WireData) WireData() const;
    
    //! Returns the wire from 3D curves (edges contain 3D curves
    //! and may contain pcurves)
      Handle(ShapeExtend_WireData) WireData3d() const;
    
    //! Returns the wire from 2D curves (edges contain pcurves
    //! only)
      Handle(ShapeExtend_WireData) WireData2d() const;
    
    //! Translates 141 and 142 entities.
    //! Returns True if the curve has been successfully translated,
    //! otherwise returns False.
    //! <okCurve..>: flags that indicate whether corresponding
    //! representation has been successfully translated
    //! (must be set to True before first call),
    //! <curve3d>: model space curve for 142 and current model space
    //! curve for 141,
    //! <toreverse3d>: False for 142 and current orientation flag
    //! for 141,
    //! <curves2d>: 1 parameter space curve for 142 or list of
    //! them for current model space curves for 141,
    //! <number>: 1 for 142 and rank number of model space curve for 141.
    Standard_EXPORT Standard_Boolean Transfer (Standard_Boolean& okCurve, Standard_Boolean& okCurve3d, Standard_Boolean& okCurve2d, const Handle(IGESData_IGESEntity)& curve3d, const Standard_Boolean toreverse3d, const Handle(IGESData_HArray1OfIGESEntity)& curves2d, const Standard_Integer number);
    
    //! Translates 508 entity.
    //! Returns True if the curve has been successfully translated,
    //! otherwise returns False.
    //! Input object IGESBoundary must be created and initialized
    //! before.
    //! <okCurve..>: flags that indicate whether corresponding
    //! representation has been successfully translated
    //! (must be set to True before first call),
    //! <curve3d>: result of translation of current edge,
    //! <curves2d>: list of parameter space curves for edge,
    //! <toreverse2d>: orientation flag of current edge in respect
    //! to its model space curve,
    //! <number>: rank number of edge,
    //! <lsewd>: returns the result of translation of current edge.
    Standard_EXPORT Standard_Boolean Transfer (Standard_Boolean& okCurve, Standard_Boolean& okCurve3d, Standard_Boolean& okCurve2d, const Handle(ShapeExtend_WireData)& curve3d, const Handle(IGESData_HArray1OfIGESEntity)& curves2d, const Standard_Boolean toreverse2d, const Standard_Integer number, Handle(ShapeExtend_WireData)& lsewd);
    
    //! Checks result of translation of IGES boundary entities
    //! (types 141, 142 or 508).
    //! Checks consistency of 2D and 3D representations and keeps
    //! only one if they are inconsistent.
    //! <result>: result of translation (returned by Transfer),
    //! <checkclosure>: False for 142 without parent 144 entity,
    //! otherwise True,
    //! <okCurve3d>, <okCurve2d>: those returned by Transfer.
    Standard_EXPORT virtual void Check (const Standard_Boolean result, const Standard_Boolean checkclosure, const Standard_Boolean okCurve3d, const Standard_Boolean okCurve2d);
  
  
  
  
    DEFINE_STANDARD_RTTIEXT(IGESToBRep_IGESBoundary,Standard_Transient)
  
  protected:
  
    
    //! Methods called by both Transfer methods.
    Standard_EXPORT virtual Standard_Boolean Transfer (Standard_Boolean& okCurve, Standard_Boolean& okCurve3d, Standard_Boolean& okCurve2d, const Handle(IGESData_IGESEntity)& icurve3d, const Handle(ShapeExtend_WireData)& scurve3d, const Standard_Boolean usescurve, const Standard_Boolean toreverse3d, const Handle(IGESData_HArray1OfIGESEntity)& curves2d, const Standard_Boolean toreverse2d, const Standard_Integer number, Handle(ShapeExtend_WireData)& lsewd);
    
    Standard_EXPORT static void ReverseCurves3d (const Handle(ShapeExtend_WireData)& sewd);
    
    Standard_EXPORT static void ReverseCurves2d (const Handle(ShapeExtend_WireData)& sewd, const TopoDS_Face& face);
  
    IGESToBRep_CurveAndSurface myCS;
    Handle(IGESData_IGESEntity) myentity;
    Handle(ShapeExtend_WireData) mysewd;
    Handle(ShapeExtend_WireData) mysewd3d;
    Handle(ShapeExtend_WireData) mysewd2d;
    TopoDS_Face myface;
    gp_Trsf2d mytrsf;
    Standard_Real myuFact;
    Standard_Integer myfilepreference;
  
  
  private:
  
  
  
  
  };
  
  
  #include <IGESToBRep_IGESBoundary.lxx>
  
  
  
  
  
  #endif // _IGESToBRep_IGESBoundary_HeaderFile
  