53 lines
2.1 KiB
C++
53 lines
2.1 KiB
C++
// SPDX-License-Identifier: LGPL-2.1-or-later
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/***************************************************************************
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* Copyright (c) 2024 Werner Mayer <wmayer[at]users.sourceforge.net> *
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* *
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* This file is part of FreeCAD. *
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* *
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* FreeCAD is free software: you can redistribute it and/or modify it *
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* under the terms of the GNU Lesser General Public License as *
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* published by the Free Software Foundation, either version 2.1 of the *
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* License, or (at your option) any later version. *
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* *
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* FreeCAD is distributed in the hope that it will be useful, but *
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* WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU *
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* Lesser General Public License for more details. *
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* *
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* You should have received a copy of the GNU Lesser General Public *
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* License along with FreeCAD. If not, see *
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* <https://www.gnu.org/licenses/>. *
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* *
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**************************************************************************/
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#ifndef PART_SHAPEMAPHASHER_H
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#define PART_SHAPEMAPHASHER_H
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#include <limits>
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#include <Standard_Version.hxx>
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#include <TopoDS_Shape.hxx>
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#if OCC_VERSION_HEX >= 0x070800
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#include <functional>
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#endif
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namespace Part {
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class ShapeMapHasher
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{
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public:
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size_t operator()(const TopoDS_Shape& theShape) const
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{
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#if OCC_VERSION_HEX < 0x070800
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return theShape.HashCode(std::numeric_limits<int>::max());
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#else
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return std::hash<TopoDS_Shape>{}(theShape);
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#endif
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}
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};
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}
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#endif // PART_SHAPEMAPHASHER_H
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