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occt/src/TopOpeBRepBuild/TopOpeBRepBuild_WireEdgeClassifier.hxx

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// Created on: 1993-06-17
// Created by: Jean Yves LEBEY
// 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 _TopOpeBRepBuild_WireEdgeClassifier_HeaderFile
#define _TopOpeBRepBuild_WireEdgeClassifier_HeaderFile
#include <Standard.hxx>
#include <Standard_DefineAlloc.hxx>
#include <Standard_Handle.hxx>
#include <Standard_Boolean.hxx>
#include <gp_Pnt2d.hxx>
#include <BRepClass_Edge.hxx>
#include <BRepClass_FacePassiveClassifier.hxx>
#include <TopoDS_Shape.hxx>
#include <TopOpeBRepBuild_CompositeClassifier.hxx>
#include <TopAbs_State.hxx>
class TopoDS_Shape;
class TopOpeBRepBuild_BlockBuilder;
class TopOpeBRepBuild_Loop;
//! Classify edges and wires.
//! shapes are Wires, Element are Edge.
class TopOpeBRepBuild_WireEdgeClassifier : public TopOpeBRepBuild_CompositeClassifier
{
public:
DEFINE_STANDARD_ALLOC
//! Creates a classifier on edge <F>.
//! Used to compare edges and wires on the edge <F>.
Standard_EXPORT TopOpeBRepBuild_WireEdgeClassifier(const TopoDS_Shape& F, const TopOpeBRepBuild_BlockBuilder& BB);
Standard_EXPORT virtual TopAbs_State Compare (const Handle(TopOpeBRepBuild_Loop)& L1, const Handle(TopOpeBRepBuild_Loop)& L2) Standard_OVERRIDE;
Standard_EXPORT TopoDS_Shape LoopToShape (const Handle(TopOpeBRepBuild_Loop)& L);
//! classify wire <B1> with wire <B2>
Standard_EXPORT TopAbs_State CompareShapes (const TopoDS_Shape& B1, const TopoDS_Shape& B2) Standard_OVERRIDE;
//! classify edge <E> with wire <B>
Standard_EXPORT TopAbs_State CompareElementToShape (const TopoDS_Shape& E, const TopoDS_Shape& B) Standard_OVERRIDE;
//! prepare classification involving wire <B>
//! calls ResetElement on first edge of <B>
Standard_EXPORT void ResetShape (const TopoDS_Shape& B) Standard_OVERRIDE;
//! prepare classification involving edge <E>
//! define 2D point (later used in Compare()) on first vertex of edge <E>.
Standard_EXPORT void ResetElement (const TopoDS_Shape& E) Standard_OVERRIDE;
//! Add the edge <E> in the set of edges used in 2D point
//! classification.
Standard_EXPORT Standard_Boolean CompareElement (const TopoDS_Shape& E) Standard_OVERRIDE;
//! Returns state of classification of 2D point, defined by
//! ResetElement, with the current set of edges, defined by Compare.
Standard_EXPORT TopAbs_State State() Standard_OVERRIDE;
protected:
private:
Standard_Boolean myFirstCompare;
gp_Pnt2d myPoint2d;
BRepClass_Edge myBCEdge;
BRepClass_FacePassiveClassifier myFPC;
TopoDS_Shape myShape;
};
#endif // _TopOpeBRepBuild_WireEdgeClassifier_HeaderFile