kicad/pcbnew/router/pns_layerset.h

120 lines
2.5 KiB
C++

/*
* KiRouter - a push-and-(sometimes-)shove PCB router
*
* Copyright (C) 2013-2014 CERN
* Author: Tomasz Wlostowski <tomasz.wlostowski@cern.ch>
*
* This program 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 program 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 for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef __PNS_LAYERSET_H
#define __PNS_LAYERSET_H
#include <algorithm>
/**
* Class PNS_LAYERSET
*
* Represents a contiguous set of PCB layers.
*/
class PNS_LAYERSET
{
public:
PNS_LAYERSET() :
m_start( -1 ),
m_end( -1 )
{};
PNS_LAYERSET( int aStart, int aEnd )
{
if( aStart > aEnd )
std::swap( aStart, aEnd );
m_start = aStart;
m_end = aEnd;
}
PNS_LAYERSET( int aLayer )
{
m_start = m_end = aLayer;
}
PNS_LAYERSET( const PNS_LAYERSET& aB ) :
m_start( aB.m_start ),
m_end( aB.m_end )
{}
~PNS_LAYERSET() {};
const PNS_LAYERSET& operator=( const PNS_LAYERSET& aB )
{
m_start = aB.m_start;
m_end = aB.m_end;
return *this;
}
bool Overlaps( const PNS_LAYERSET& aOther ) const
{
return m_end >= aOther.m_start && m_start <= aOther.m_end;
}
bool Overlaps( const int aLayer ) const
{
return aLayer >= m_start && aLayer <= m_end;
}
bool IsMultilayer() const
{
return m_start != m_end;
}
int Start() const
{
return m_start;
}
int End() const
{
return m_end;
}
void Merge( const PNS_LAYERSET& aOther )
{
if( m_start < 0 || m_end < 0 )
{
m_start = aOther.m_start;
m_end = aOther.m_end;
return;
}
if( aOther.m_start < m_start )
m_start = aOther.m_start;
if( aOther.m_end > m_end )
m_end = aOther.m_end;
}
///> Shortcut for comparisons/overlap tests
static PNS_LAYERSET All()
{
return PNS_LAYERSET( 0, 256 );
}
private:
int m_start;
int m_end;
};
#endif // __PNS_LAYERSET_H