OpenCAX/entry/src/main/cpp/include/opencascade/CSLib_Class2d.hxx
2026-02-19 19:05:41 +08:00

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// Created on: 1995-03-08
// Created by: Laurent BUCHARD
// Copyright (c) 1995-1999 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 _CSLib_Class2d_HeaderFile
#define _CSLib_Class2d_HeaderFile
#include "Standard.hxx"
#include "Standard_DefineAlloc.hxx"
#include "Standard_Handle.hxx"
#include "TColgp_Array1OfPnt2d.hxx"
#include "NCollection_Handle.hxx"
#include "TColStd_Array1OfReal.hxx"
#include "TColgp_SequenceOfPnt2d.hxx"
class gp_Pnt2d;
//! *** Class2d : Low level algorithm for 2d classification
//! this class was moved from package BRepTopAdaptor
class CSLib_Class2d
{
public:
DEFINE_STANDARD_ALLOC
//! Constructs the 2D-polygon.
//! thePnts2d is the set of the vertices (closed polygon
//! will always be created inside of this constructor;
//! consequently, there is no point in repeating first and
//! last point in thePnts2d).
//! theTolu and theTolv are tolerances.
//! theUmin, theVmin, theUmax, theVmax are
//! UV-bounds of the polygon.
Standard_EXPORT CSLib_Class2d(const TColgp_Array1OfPnt2d& thePnts2d,
const Standard_Real theTolU,
const Standard_Real theTolV,
const Standard_Real theUMin,
const Standard_Real theVMin,
const Standard_Real theUMax,
const Standard_Real theVMax);
//! Constructs the 2D-polygon.
//! thePnts2d is the set of the vertices (closed polygon
//! will always be created inside of this constructor;
//! consequently, there is no point in repeating first and
//! last point in thePnts2d).
//! theTolu and theTolv are tolerances.
//! theUmin, theVmin, theUmax, theVmax are
//! UV-bounds of the polygon.
Standard_EXPORT CSLib_Class2d(const TColgp_SequenceOfPnt2d& thePnts2d,
const Standard_Real theTolU,
const Standard_Real theTolV,
const Standard_Real theUMin,
const Standard_Real theVMin,
const Standard_Real theUMax,
const Standard_Real theVMax);
Standard_EXPORT Standard_Integer SiDans(const gp_Pnt2d& P) const;
Standard_EXPORT Standard_Integer SiDans_OnMode(const gp_Pnt2d& P, const Standard_Real Tol) const;
Standard_EXPORT Standard_Integer InternalSiDans(const Standard_Real X,
const Standard_Real Y) const;
Standard_EXPORT Standard_Integer InternalSiDansOuOn(const Standard_Real X,
const Standard_Real Y) const;
protected:
private:
//! Initializes theObj
template <class TCol_Containers2d>
void Init(const TCol_Containers2d& TP2d,
const Standard_Real aTolu,
const Standard_Real aTolv,
const Standard_Real umin,
const Standard_Real vmin,
const Standard_Real umax,
const Standard_Real vmax);
//! Assign operator is forbidden
const CSLib_Class2d& operator=(const CSLib_Class2d& Other) const;
NCollection_Handle<TColStd_Array1OfReal> MyPnts2dX, MyPnts2dY;
Standard_Real Tolu{};
Standard_Real Tolv{};
Standard_Integer N{};
Standard_Real Umin{};
Standard_Real Vmin{};
Standard_Real Umax{};
Standard_Real Vmax{};
};
#endif // _CSLib_Class2d_HeaderFile