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 // Created on: 1993-06-08
 // Created by: Laurent BOURESCHE
 // Copyright (c) 1993-1999 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 _BRepSweep_Trsf_HeaderFile
 #define _BRepSweep_Trsf_HeaderFile
 
 #include <Standard.hxx>
 #include <Standard_DefineAlloc.hxx>
 
 #include <TopLoc_Location.hxx>
 #include <BRepSweep_NumLinearRegularSweep.hxx>
 #include <TopAbs_Orientation.hxx>
 class BRep_Builder;
 class TopoDS_Shape;
 class Sweep_NumShape;
 
 //! This class is inherited from NumLinearRegularSweep
 //! to  implement the  simple   swept primitives built
 //! moving a Shape with a Trsf.  It  often is possible
 //! to  build  the constructed subshapes  by  a simple
 //! move of the  generating subshapes (shared topology
 //! and geometry).   So two  ways of construction  are
 //! proposed :
 //!
 //! - sharing  basis elements  (the generatrice can be
 //! modified , for  example  PCurves can be added  on
 //! faces);
 //!
 //! - copying everything.
 class BRepSweep_Trsf : public BRepSweep_NumLinearRegularSweep
 {
 public:
   DEFINE_STANDARD_ALLOC
 
   //! ends  the  construction  of the   swept  primitive
   //! calling the virtual geometric functions that can't
   //! be called in the initialize.
   Standard_EXPORT void Init();
 
   //! function called to analyze the way of construction
   //! of the shapes generated by aGenS and aDirV.
   Standard_EXPORT Standard_Boolean Process(const TopoDS_Shape& aGenS, const Sweep_NumShape& aDirV);
 
   //! Builds the vertex addressed by [aGenV,aDirV], with its
   //! geometric part, but without subcomponents.
   Standard_EXPORT virtual TopoDS_Shape MakeEmptyVertex(const TopoDS_Shape&   aGenV,
                                                        const Sweep_NumShape& aDirV) = 0;
 
   //! Builds the edge addressed by [aGenV,aDirE], with its
   //! geometric part, but without subcomponents.
   Standard_EXPORT virtual TopoDS_Shape MakeEmptyDirectingEdge(const TopoDS_Shape&   aGenV,
                                                               const Sweep_NumShape& aDirE) = 0;
 
   //! Builds the edge addressed by [aGenE,aDirV], with its
   //! geometric part, but without subcomponents.
   Standard_EXPORT virtual TopoDS_Shape MakeEmptyGeneratingEdge(const TopoDS_Shape&   aGenE,
                                                                const Sweep_NumShape& aDirV) = 0;
 
   //! Sets the  parameters of the new  vertex  on the new
   //! face. The new face and  new vertex where generated
   //! from aGenF, aGenV and aDirV .
   Standard_EXPORT virtual void SetParameters(const TopoDS_Shape&   aNewFace,
                                              TopoDS_Shape&         aNewVertex,
                                              const TopoDS_Shape&   aGenF,
                                              const TopoDS_Shape&   aGenV,
                                              const Sweep_NumShape& aDirV) = 0;
 
   //! Sets the  parameter of the new  vertex  on the new
   //! edge. The new edge and  new vertex where generated
   //! from aGenV aDirE, and aDirV.
   Standard_EXPORT virtual void SetDirectingParameter(const TopoDS_Shape&   aNewEdge,
                                                      TopoDS_Shape&         aNewVertex,
                                                      const TopoDS_Shape&   aGenV,
                                                      const Sweep_NumShape& aDirE,
                                                      const Sweep_NumShape& aDirV) = 0;
 
   //! Sets the  parameter of the new  vertex  on the new
   //! edge. The new edge and  new vertex where generated
   //! from aGenE, aGenV and aDirV .
   Standard_EXPORT virtual void SetGeneratingParameter(const TopoDS_Shape&   aNewEdge,
                                                       TopoDS_Shape&         aNewVertex,
                                                       const TopoDS_Shape&   aGenE,
                                                       const TopoDS_Shape&   aGenV,
                                                       const Sweep_NumShape& aDirV) = 0;
 
   //! Builds  the face addressed  by [aGenS,aDirS], with
   //! its geometric part, but without subcomponents. The
   //! couple aGenS, aDirS can be  a "generating face and
   //! a  directing vertex" or "a   generating edge and a
   //! directing  edge".
   Standard_EXPORT virtual TopoDS_Shape MakeEmptyFace(const TopoDS_Shape&   aGenS,
                                                      const Sweep_NumShape& aDirS) = 0;
 
   //! Sets the PCurve for a new edge on a new face. The
   //! new edge and  the  new face were generated  using
   //! aGenF, aGenE and aDirV.
   Standard_EXPORT virtual void SetPCurve(const TopoDS_Shape&      aNewFace,
                                          TopoDS_Shape&            aNewEdge,
                                          const TopoDS_Shape&      aGenF,
                                          const TopoDS_Shape&      aGenE,
                                          const Sweep_NumShape&    aDirV,
                                          const TopAbs_Orientation orien) = 0;
 
   //! Sets the PCurve for a new edge on a new face. The
   //! new edge and  the  new face were generated  using
   //! aGenE, aDirE and aDirV.
   Standard_EXPORT virtual void SetGeneratingPCurve(const TopoDS_Shape&      aNewFace,
                                                    TopoDS_Shape&            aNewEdge,
                                                    const TopoDS_Shape&      aGenE,
                                                    const Sweep_NumShape&    aDirE,
                                                    const Sweep_NumShape&    aDirV,
                                                    const TopAbs_Orientation orien) = 0;
 
   //! Sets the PCurve for a new edge on a new face. The
   //! new edge and  the  new face were generated  using
   //! aGenE, aDirE and aGenV.
   Standard_EXPORT virtual void SetDirectingPCurve(const TopoDS_Shape&      aNewFace,
                                                   TopoDS_Shape&            aNewEdge,
                                                   const TopoDS_Shape&      aGenE,
                                                   const TopoDS_Shape&      aGenV,
                                                   const Sweep_NumShape&    aDirE,
                                                   const TopAbs_Orientation orien) = 0;
 
   //! Returns   true   if  aNewSubShape    (addressed by
   //! aSubGenS  and aDirS)  must  be added  in aNewShape
   //! (addressed by aGenS and aDirS).
   Standard_EXPORT virtual Standard_Boolean GGDShapeIsToAdd(const TopoDS_Shape&   aNewShape,
                                                            const TopoDS_Shape&   aNewSubShape,
                                                            const TopoDS_Shape&   aGenS,
                                                            const TopoDS_Shape&   aSubGenS,
                                                            const Sweep_NumShape& aDirS) const = 0;
 
   //! Returns   true   if  aNewSubShape    (addressed by
   //! aGenS  and aSubDirS)  must  be added  in aNewShape
   //! (addressed by aGenS and aDirS).
   Standard_EXPORT virtual Standard_Boolean GDDShapeIsToAdd(
     const TopoDS_Shape&   aNewShape,
     const TopoDS_Shape&   aNewSubShape,
     const TopoDS_Shape&   aGenS,
     const Sweep_NumShape& aDirS,
     const Sweep_NumShape& aSubDirS) const = 0;
 
   //! In  some  particular  cases  the   topology  of  a
   //! generated  face must be  composed  of  independent
   //! closed wires,  in this case  this function returns
   //! true.
   Standard_EXPORT virtual Standard_Boolean SeparatedWires(const TopoDS_Shape&   aNewShape,
                                                           const TopoDS_Shape&   aNewSubShape,
                                                           const TopoDS_Shape&   aGenS,
                                                           const TopoDS_Shape&   aSubGenS,
                                                           const Sweep_NumShape& aDirS) const = 0;
 
   //! Returns true   if aDirS   and aGenS  addresses   a
   //! resulting Shape. In some  specific cases the shape
   //! can  be    geometrically   inexsistant,  then this
   //! function returns false.
   Standard_EXPORT virtual Standard_Boolean HasShape(const TopoDS_Shape&   aGenS,
                                                     const Sweep_NumShape& aDirS) const = 0;
 
   //! Returns  true if  the geometry   of  aGenS is  not
   //! modified by the trsf of the BRepSweep Trsf.
   Standard_EXPORT virtual Standard_Boolean IsInvariant(const TopoDS_Shape& aGenS) const = 0;
 
   //! Called to propagate the continuity of  every vertex
   //! between two edges of the  generating wire  aGenS on
   //! the generated edge and faces.
   Standard_EXPORT void SetContinuity(const TopoDS_Shape& aGenS, const Sweep_NumShape& aDirS);
 
 protected:
   //! Initialize  the Trsf BrepSweep, if  aCopy  is true
   //! the  basis elements  are    shared  as   often  as
   //! possible, else everything is copied.
   Standard_EXPORT BRepSweep_Trsf(const BRep_Builder&    aBuilder,
                                  const TopoDS_Shape&    aGenShape,
                                  const Sweep_NumShape&  aDirWire,
                                  const TopLoc_Location& aLocation,
                                  const Standard_Boolean aCopy);
 
   TopLoc_Location  myLocation;
   Standard_Boolean myCopy;
 
 private:
 };
 
 #endif // _BRepSweep_Trsf_HeaderFile

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