46 lines
1.5 KiB
C++
46 lines
1.5 KiB
C++
/*
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* This program source code file is part of KiCad, a free EDA CAD application.
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*
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* Copyright (C) 2020 KiCad Developers, see AUTHORS.TXT for contributors.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 3
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, you may find one here:
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* http://www.gnu.org/licenses/old-licenses/gpl-3.0.html
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* or you may search the http://www.gnu.org website for the version 3 license,
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* or you may write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#ifndef MIRROR_H
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#define MIRROR_H
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/**
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* Returns the mirror of aPoint relative to the aMirrorRef.
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*/
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template <typename T>
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T MIRRORVAL( T aPoint, T aMirrorRef )
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{
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return -( aPoint - aMirrorRef ) + aMirrorRef;
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}
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/**
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* Updates aPoint with the mirror of aPoint relative to the aMirrorRef.
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*/
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template <typename T>
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void MIRROR( T& aPoint, const T& aMirrorRef )
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{
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aPoint = MIRRORVAL( aPoint, aMirrorRef );
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}
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#endif /* MIRROR_H */
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