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

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C++

// Created on: 1993-08-06
// Created by: Martine LANGLOIS
// 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 _StepToTopoDS_PointPair_HeaderFile
#define _StepToTopoDS_PointPair_HeaderFile
#include "Standard.hxx"
#include "Standard_DefineAlloc.hxx"
#include "Standard_Handle.hxx"
class StepGeom_CartesianPoint;
//! Stores a pair of Points from step
class StepToTopoDS_PointPair
{
public:
DEFINE_STANDARD_ALLOC
Standard_EXPORT StepToTopoDS_PointPair(const Handle(StepGeom_CartesianPoint)& P1,
const Handle(StepGeom_CartesianPoint)& P2);
const Handle(StepGeom_CartesianPoint)& GetPoint1() const { return myP1; }
const Handle(StepGeom_CartesianPoint)& GetPoint2() const { return myP2; }
bool operator==(const StepToTopoDS_PointPair& thePointPair) const
{
return (((myP1 == thePointPair.myP1) && (myP2 == thePointPair.myP2))
|| ((myP1 == thePointPair.myP2) && (myP2 == thePointPair.myP1)));
}
protected:
private:
Handle(StepGeom_CartesianPoint) myP1;
Handle(StepGeom_CartesianPoint) myP2;
};
namespace std
{
template <>
struct hash<StepToTopoDS_PointPair>
{
size_t operator()(const StepToTopoDS_PointPair& thePointPair) const noexcept
{
// Combine two int values into a single hash value.
size_t aCombination[2];
aCombination[0] = std::hash<Handle(StepGeom_CartesianPoint)>{}(thePointPair.GetPoint1());
aCombination[1] = std::hash<Handle(StepGeom_CartesianPoint)>{}(thePointPair.GetPoint2());
if (aCombination[0] > aCombination[1])
{
std::swap(aCombination[0], aCombination[1]);
}
return opencascade::hashBytes(aCombination, sizeof(aCombination));
}
};
} // namespace std
#endif // _StepToTopoDS_PointPair_HeaderFile