// Created on: 1999-04-27 // Created by: Andrey BETENEV // Copyright (c) 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 _ShapeFix_WireSegment_HeaderFile #define _ShapeFix_WireSegment_HeaderFile #include #include #include #include #include #include #include #include class ShapeExtend_WireData; class TopoDS_Wire; class TopoDS_Vertex; class TopoDS_Edge; //! This class is auxiliary class (data storage) used in ComposeShell. //! It is intended for representing segment of the wire //! (or whole wire). The segment itself is represented by //! ShapeExtend_WireData. In addition, some associated data //! necessary for computations are stored: //! //! * Orientation flag - determines current use of the segment //! and used for parity checking: //! //! TopAbs_FORWARD and TopAbs_REVERSED - says that segment was //! traversed once in the corresponding direction, and hence //! it should be traversed once more in opposite direction; //! //! TopAbs_EXTERNAL - the segment was not yet traversed in any //! direction (i.e. not yet used as boundary) //! //! TopAbs_INTERNAL - the segment was traversed in both //! directions and hence is out of further work. //! //! Segments of initial bounding wires are created with //! orientation REVERSED (for outer wire) or FORWARD (for inner //! wires), and segments of splitting seams - with orientation //! EXTERNAL. class ShapeFix_WireSegment { public: DEFINE_STANDARD_ALLOC //! Creates empty segment. Standard_EXPORT ShapeFix_WireSegment(); //! Creates segment and initializes it with wire and orientation. Standard_EXPORT ShapeFix_WireSegment(const Handle(ShapeExtend_WireData)& wire, const TopAbs_Orientation ori = TopAbs_EXTERNAL); //! Creates segment and initializes it with wire and orientation. Standard_EXPORT ShapeFix_WireSegment(const TopoDS_Wire& wire, const TopAbs_Orientation ori = TopAbs_EXTERNAL); //! Clears all fields. Standard_EXPORT void Clear(); //! Loads wire. Standard_EXPORT void Load (const Handle(ShapeExtend_WireData)& wire); //! Returns wire. Standard_EXPORT const Handle(ShapeExtend_WireData)& WireData() const; //! Sets orientation flag. Standard_EXPORT void Orientation (const TopAbs_Orientation ori); //! Returns orientation flag. Standard_EXPORT TopAbs_Orientation Orientation() const; //! Returns first vertex of the first edge in the wire //! (no dependance on Orientation()). Standard_EXPORT TopoDS_Vertex FirstVertex() const; //! Returns last vertex of the last edge in the wire //! (no dependance on Orientation()). Standard_EXPORT TopoDS_Vertex LastVertex() const; //! Returns True if FirstVertex() == LastVertex() Standard_EXPORT Standard_Boolean IsClosed() const; //! Returns Number of edges in the wire Standard_EXPORT Standard_Integer NbEdges() const; //! Returns edge by given index in the wire Standard_EXPORT TopoDS_Edge Edge (const Standard_Integer i) const; //! Replaces edge at index i by new one. Standard_EXPORT void SetEdge (const Standard_Integer i, const TopoDS_Edge& edge); //! Insert a new edge with index i and implicitly defined //! patch indices (indefinite patch). //! If i==0, edge is inserted at end of wire. Standard_EXPORT void AddEdge (const Standard_Integer i, const TopoDS_Edge& edge); //! Insert a new edge with index i and explicitly defined //! patch indices. If i==0, edge is inserted at end of wire. Standard_EXPORT void AddEdge (const Standard_Integer i, const TopoDS_Edge& edge, const Standard_Integer iumin, const Standard_Integer iumax, const Standard_Integer ivmin, const Standard_Integer ivmax); //! Set patch indices for edge i. Standard_EXPORT void SetPatchIndex (const Standard_Integer i, const Standard_Integer iumin, const Standard_Integer iumax, const Standard_Integer ivmin, const Standard_Integer ivmax); Standard_EXPORT void DefineIUMin (const Standard_Integer i, const Standard_Integer iumin); Standard_EXPORT void DefineIUMax (const Standard_Integer i, const Standard_Integer iumax); Standard_EXPORT void DefineIVMin (const Standard_Integer i, const Standard_Integer ivmin); //! Modify minimal or maximal patch index for edge i. //! The corresponding patch index for that edge is modified so //! as to satisfy eq. iumin <= myIUMin(i) <= myIUMax(i) <= iumax Standard_EXPORT void DefineIVMax (const Standard_Integer i, const Standard_Integer ivmax); //! Returns patch indices for edge i. Standard_EXPORT void GetPatchIndex (const Standard_Integer i, Standard_Integer& iumin, Standard_Integer& iumax, Standard_Integer& ivmin, Standard_Integer& ivmax) const; //! Checks patch indices for edge i to satisfy equations //! IUMin(i) <= IUMax(i) <= IUMin(i)+1 Standard_EXPORT Standard_Boolean CheckPatchIndex (const Standard_Integer i) const; Standard_EXPORT void SetVertex (const TopoDS_Vertex& theVertex); Standard_EXPORT TopoDS_Vertex GetVertex() const; Standard_EXPORT Standard_Boolean IsVertex() const; protected: private: Handle(ShapeExtend_WireData) myWire; TopoDS_Vertex myVertex; TopAbs_Orientation myOrient; Handle(TColStd_HSequenceOfInteger) myIUMin; Handle(TColStd_HSequenceOfInteger) myIUMax; Handle(TColStd_HSequenceOfInteger) myIVMin; Handle(TColStd_HSequenceOfInteger) myIVMax; }; #endif // _ShapeFix_WireSegment_HeaderFile