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 // Created on: 1998-02-18
 // Created by: Pierre BARRAS
 // 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 _ShapeUpgrade_FaceDivide_HeaderFile
 #define _ShapeUpgrade_FaceDivide_HeaderFile
 
 #include <Standard.hxx>
 #include <Standard_Type.hxx>
 
 #include <TopoDS_Face.hxx>
 #include <Standard_Integer.hxx>
 #include <ShapeUpgrade_Tool.hxx>
 #include <ShapeExtend_Status.hxx>
 class ShapeUpgrade_SplitSurface;
 class ShapeUpgrade_WireDivide;
 
 // resolve name collisions with X11 headers
 #ifdef Status
   #undef Status
 #endif
 
 class ShapeUpgrade_FaceDivide;
 DEFINE_STANDARD_HANDLE(ShapeUpgrade_FaceDivide, ShapeUpgrade_Tool)
 
 //! Divides a Face (both edges in the wires, by splitting
 //! curves and pcurves, and the face itself, by splitting
 //! supporting surface) according to splitting criteria.
 //! * The domain of the face to divide is defined by the PCurves
 //! of the wires on the Face.
 //!
 //! * all the PCurves are supposed to be defined (in the parametric
 //! space of the supporting surface).
 //!
 //! The result is available after the call to the Build method.
 //! It is a Shell containing all the resulting Faces.
 //!
 //! All the modifications made during splitting are recorded in the
 //! external context (ShapeBuild_ReShape).
 class ShapeUpgrade_FaceDivide : public ShapeUpgrade_Tool
 {
 
 public:
 
   
   //! Creates empty  constructor.
   Standard_EXPORT ShapeUpgrade_FaceDivide();
   
   //! Initialize by a Face.
   Standard_EXPORT ShapeUpgrade_FaceDivide(const TopoDS_Face& F);
   
   //! Initialize by a Face.
   Standard_EXPORT void Init (const TopoDS_Face& F);
   
   //! Purpose sets mode for trimming (segment) surface by
   //! wire UV bounds.
   Standard_EXPORT void SetSurfaceSegmentMode (const Standard_Boolean Segment);
   
   //! Performs splitting and computes the resulting shell
   //! The context is used to keep track of former splittings
   //! in order to keep sharings. It is updated according to
   //! modifications made.
   //! The optional argument <theArea> is used to initialize
   //! the tool for splitting surface in the case of
   //! splitting into N parts where N is user-defined.
   Standard_EXPORT virtual Standard_Boolean Perform(const Standard_Real theArea = 0.);
   
   //! Performs splitting of surface and computes the shell
   //! from source face.
   //! The optional argument <theArea> is used to initialize
   //! the tool for splitting surface in the case of
   //! splitting into N parts where N is user-defined.
   Standard_EXPORT virtual Standard_Boolean SplitSurface(const Standard_Real theArea = 0.);
   
   //! Performs splitting of curves of all the edges in the
   //! shape and divides these edges.
   Standard_EXPORT virtual Standard_Boolean SplitCurves();
   
   //! Gives the resulting Shell, or Face, or Null shape if not done.
   Standard_EXPORT TopoDS_Shape Result() const;
   
   //! Queries the status of last call to Perform
   //! OK   : no splitting was done (or no call to Perform)
   //! DONE1: some edges were split
   //! DONE2: surface was split
   //! DONE3: surface was modified without splitting
   //! FAIL1: some fails encountered during splitting wires
   //! FAIL2: face cannot be split
   Standard_EXPORT Standard_Boolean Status (const ShapeExtend_Status status) const;
   
   //! Sets the tool for splitting surfaces.
   Standard_EXPORT void SetSplitSurfaceTool (const Handle(ShapeUpgrade_SplitSurface)& splitSurfaceTool);
   
   //! Sets the tool for dividing edges on Face.
   Standard_EXPORT void SetWireDivideTool (const Handle(ShapeUpgrade_WireDivide)& wireDivideTool);
   
   //! Returns the tool for splitting surfaces.
   //! This tool must be already initialized.
   Standard_EXPORT virtual Handle(ShapeUpgrade_SplitSurface) GetSplitSurfaceTool() const;
   
   //! Returns the tool for dividing edges on Face.
   //! This tool must be already initialized.
   Standard_EXPORT virtual Handle(ShapeUpgrade_WireDivide) GetWireDivideTool() const;
 
 
 
 
   DEFINE_STANDARD_RTTIEXT(ShapeUpgrade_FaceDivide,ShapeUpgrade_Tool)
 
 protected:
 
 
   TopoDS_Face myFace;
   TopoDS_Shape myResult;
   Standard_Boolean mySegmentMode;
   Standard_Integer myStatus;
 
 
 private:
 
 
   Handle(ShapeUpgrade_SplitSurface) mySplitSurfaceTool;
   Handle(ShapeUpgrade_WireDivide) myWireDivideTool;
 
 
 };
 
 
 
 
 
 
 
 #endif // _ShapeUpgrade_FaceDivide_HeaderFile

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