ResInsight/Fwk/VizFwk/LibGeometry/cvfEdgeKey.cpp

131 lines
3.8 KiB
C++

//##################################################################################################
//
// Custom Visualization Core library
// Copyright (C) 2011-2013 Ceetron AS
//
// This library may be used under the terms of either the GNU General Public License or
// the GNU Lesser General Public License as follows:
//
// GNU General Public License Usage
// This library is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This library is distributed in the hope that it will be useful, but WITHOUT ANY
// WARRANTY; without even the implied warranty of MERCHANTABILITY or
// FITNESS FOR A PARTICULAR PURPOSE.
//
// See the GNU General Public License at <<http://www.gnu.org/licenses/gpl.html>>
// for more details.
//
// GNU Lesser General Public License Usage
// This library is free software; you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation; either version 2.1 of the License, or
// (at your option) any later version.
//
// This library is distributed in the hope that it will be useful, but WITHOUT ANY
// WARRANTY; without even the implied warranty of MERCHANTABILITY or
// FITNESS FOR A PARTICULAR PURPOSE.
//
// See the GNU Lesser General Public License at <<http://www.gnu.org/licenses/lgpl-2.1.html>>
// for more details.
//
//##################################################################################################
#include "cvfBase.h"
#include "cvfEdgeKey.h"
namespace cvf {
//==================================================================================================
///
/// \class cvf::EdgeKey
/// \ingroup Geometry
///
///
///
//==================================================================================================
EdgeKey::EdgeKey(uint vertexIdx1, uint vertexIdx2)
{
if (vertexIdx1 <= vertexIdx2)
{
m_vertexIdx1 = vertexIdx1;
m_vertexIdx2 = vertexIdx2;
}
else
{
m_vertexIdx1 = vertexIdx2;
m_vertexIdx2 = vertexIdx1;
}
}
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
bool EdgeKey::operator==(const EdgeKey& rhs) const
{
if (m_vertexIdx1 == rhs.m_vertexIdx1 && m_vertexIdx2 == rhs.m_vertexIdx2)
{
return true;
}
else
{
return false;
}
}
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
bool EdgeKey::operator<(const EdgeKey& rhs) const
{
if (m_vertexIdx1 == rhs.m_vertexIdx1)
{
return (m_vertexIdx2 < rhs.m_vertexIdx2);
}
else
{
return (m_vertexIdx1 < rhs.m_vertexIdx1);
}
}
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
int64 EdgeKey::toKeyVal() const
{
int64 edgeKey = m_vertexIdx1;
edgeKey <<= 32;
edgeKey += m_vertexIdx2;
return edgeKey;
}
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
EdgeKey EdgeKey::fromkeyVal(int64 edgeKeyVal)
{
uint vertexIdx2 = static_cast<uint>(edgeKeyVal);
edgeKeyVal >>= 32;
uint vertexIdx1 = static_cast<uint>(edgeKeyVal);
return EdgeKey(vertexIdx1, vertexIdx2);
}
} // namespace cvf