// 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 #include #include #include #include #include #include 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