OpenCAX/entry/src/main/cpp/include/opencascade/IGESSolid_TopoBuilder.hxx
2026-02-19 19:05:41 +08:00

206 lines
8.3 KiB
C++

// Created on: 1994-11-16
// Created by: Christian CAILLET
// Copyright (c) 1994-1999 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 _IGESSolid_TopoBuilder_HeaderFile
#define _IGESSolid_TopoBuilder_HeaderFile
#include "Standard.hxx"
#include "Standard_DefineAlloc.hxx"
#include "Standard_Handle.hxx"
#include "Standard_Integer.hxx"
#include "TColStd_HSequenceOfTransient.hxx"
#include "TColStd_HSequenceOfInteger.hxx"
#include "TColgp_HSequenceOfXYZ.hxx"
class IGESSolid_ManifoldSolid;
class IGESSolid_Shell;
class IGESSolid_Face;
class IGESData_IGESEntity;
class IGESSolid_Loop;
class IGESSolid_EdgeList;
class IGESSolid_VertexList;
class gp_XYZ;
//! This class manages the creation of an IGES Topologic entity
//! (BREP : ManifoldSolid, Shell, Face)
//! This includes definiting of Vertex and Edge Lists,
//! building of Edges and Loops
class IGESSolid_TopoBuilder
{
public:
DEFINE_STANDARD_ALLOC
//! Creates an empty TopoBuilder
//! This creates also a unique VertexList and a unique EdgeList,
//! empty, but which can be referenced from starting
Standard_EXPORT IGESSolid_TopoBuilder();
//! Resets the TopoBuilder for an entirely new operation
//! (with a new EdgeList, a new VertexList, new Shells, ...)
Standard_EXPORT void Clear();
//! Adds a Vertex to the VertexList
Standard_EXPORT void AddVertex(const gp_XYZ& val);
//! Returns the count of already recorded Vertices
Standard_EXPORT Standard_Integer NbVertices() const;
//! Returns a Vertex, given its rank
Standard_EXPORT const gp_XYZ& Vertex(const Standard_Integer num) const;
//! Returns the VertexList. It can be referenced, but it remains
//! empty until call to EndShell or EndSolid
Standard_EXPORT Handle(IGESSolid_VertexList) VertexList() const;
//! Adds an Edge (3D) to the EdgeList, defined by a Curve and
//! two number of Vertex, for start and end
Standard_EXPORT void AddEdge(const Handle(IGESData_IGESEntity)& curve,
const Standard_Integer vstart,
const Standard_Integer vend);
//! Returns the count of recorded Edges (3D)
Standard_EXPORT Standard_Integer NbEdges() const;
//! Returns the definition of an Edge (3D) given its rank
Standard_EXPORT void Edge(const Standard_Integer num,
Handle(IGESData_IGESEntity)& curve,
Standard_Integer& vstart,
Standard_Integer& vend) const;
//! Returns the EdgeList. It can be referenced, but it remains
//! empty until call to EndShell or EndSolid
Standard_EXPORT Handle(IGESSolid_EdgeList) EdgeList() const;
//! Begins the definition of a new Loop : it is the Current Loop
//! All Edges (UV) defined by MakeEdge/EndEdge will be added in it
//! The Loop can then be referenced but is empty. It will be
//! filled with its Edges(UV) by EndLoop (from SetOuter/AddInner)
Standard_EXPORT void MakeLoop();
//! Defines an Edge(UV), to be added in the current Loop by EndEdge
//! <edgetype> gives the type of the edge
//! <edge3d> identifies the Edge(3D) used as support
//! The EdgeList is always the current one
//! <orientation gives the orientation flag
//! It is then necessary to :
//! - give the parametric curves
//! - close the definition of this edge(UV) by EndEdge, else
//! the next call to MakeEdge will erase this one
Standard_EXPORT void MakeEdge(const Standard_Integer edgetype,
const Standard_Integer edge3d,
const Standard_Integer orientation);
//! Adds a Parametric Curve (UV) to the current Edge(UV)
Standard_EXPORT void AddCurveUV(const Handle(IGESData_IGESEntity)& curve,
const Standard_Integer iso);
//! Closes the definition of an Edge(UV) and adds it to the
//! current Loop
Standard_EXPORT void EndEdge();
//! Begins the definition of a new Face, on a surface
//! All Loops defined by MakeLoop will be added in it, according
//! the closing call : SetOuter for the Outer Loop (by default,
//! if SetOuter is not called, no OuterLoop is defined);
//! AddInner for the list of Inner Loops (there can be none)
Standard_EXPORT void MakeFace(const Handle(IGESData_IGESEntity)& surface);
//! Closes the current Loop and sets it Loop as Outer Loop. If no
//! current Loop has yet been defined, does nothing.
Standard_EXPORT void SetOuter();
//! Closes the current Loop and adds it to the list of Inner Loops
//! for the current Face
Standard_EXPORT void AddInner();
//! Closes the definition of the current Face, fills it and adds
//! it to the current Shell with an orientation flag (0/1)
Standard_EXPORT void EndFace(const Standard_Integer orientation);
//! Begins the definition of a new Shell (either Simple or in a
//! Solid)
Standard_EXPORT void MakeShell();
//! Closes the whole definition as that of a simple Shell
Standard_EXPORT void EndSimpleShell();
//! Closes the definition of the current Shell as for the Main
//! Shell of a Solid, with an orientation flag (0/1)
Standard_EXPORT void SetMainShell(const Standard_Integer orientation);
//! Closes the definition of the current Shell and adds it to the
//! list of Void Shells of a Solid, with an orientation flag (0/1)
Standard_EXPORT void AddVoidShell(const Standard_Integer orientation);
//! Closes the whole definition as that of a ManifoldSolid
//! Its call is exclusive from that of EndSimpleShell
Standard_EXPORT void EndSolid();
//! Returns the current Shell. The current Shell is created empty
//! by MakeShell and filled by EndShell
Standard_EXPORT Handle(IGESSolid_Shell) Shell() const;
//! Returns the current ManifoldSolid. It is created empty by
//! Create and filled by EndSolid
Standard_EXPORT Handle(IGESSolid_ManifoldSolid) Solid() const;
protected:
//! Closes the definition of Vertex and Edge Lists
//! Warning : Called only by EndSimpleShell and EndSolid
Standard_EXPORT void EndLists();
//! Closes the definition of a Loop and fills it
//! Warning : EndLoop should not be called directly but through
//! SetOuter or AddInner, which work on the current Face
Standard_EXPORT void EndLoop();
//! Closes the definition of the current Shell
//! Warning : EndShell should not be called directly but through
//! EndSimpleShell (for a simple Shell), SetMainShell (for main
//! Shell of a Solid) or AddVoidShell (to a Solid)
Standard_EXPORT void EndShell();
private:
Handle(IGESSolid_ManifoldSolid) thesolid;
Handle(IGESSolid_Shell) themains;
Standard_Boolean themflag;
Handle(TColStd_HSequenceOfTransient) thevoids;
Handle(TColStd_HSequenceOfInteger) thevflag;
Handle(IGESSolid_Shell) theshell;
Handle(TColStd_HSequenceOfTransient) thefaces;
Handle(TColStd_HSequenceOfInteger) thefflag;
Handle(IGESSolid_Face) theface;
Handle(IGESData_IGESEntity) thesurf;
Standard_Boolean theouter;
Handle(TColStd_HSequenceOfTransient) theinner;
Handle(IGESSolid_Loop) theloop;
Handle(TColStd_HSequenceOfInteger) theetype;
Handle(TColStd_HSequenceOfInteger) thee3d;
Handle(TColStd_HSequenceOfInteger) theeflag;
Handle(TColStd_HSequenceOfTransient) theeuv;
Handle(TColStd_HSequenceOfInteger) theisol;
Handle(TColStd_HSequenceOfTransient) thecuruv;
Handle(TColStd_HSequenceOfTransient) theiso;
Handle(IGESSolid_EdgeList) theedgel;
Handle(TColStd_HSequenceOfTransient) thecur3d;
Handle(TColStd_HSequenceOfInteger) thevstar;
Handle(TColStd_HSequenceOfInteger) thevend;
Handle(IGESSolid_VertexList) thevertl;
Handle(TColgp_HSequenceOfXYZ) thepoint;
};
#endif // _IGESSolid_TopoBuilder_HeaderFile