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/*
* KiRouter - a push-and-(sometimes-)shove PCB router
*
* Copyright (C) 2013-2015 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_MEANDER_SKEW_PLACER_H
#define __PNS_MEANDER_SKEW_PLACER_H
#include "pns_meander_placer.h"
#include "pns_diff_pair.h"
class PNS_ROUTER;
class PNS_SHOVE;
class PNS_OPTIMIZER;
class PNS_ROUTER_BASE;
/**
* Class PNS_MEANDER_SKEW_PLACER
*
* Differential pair skew adjustment algorithm.
*/
class PNS_MEANDER_SKEW_PLACER : public PNS_MEANDER_PLACER
{
public:
PNS_MEANDER_SKEW_PLACER( PNS_ROUTER* aRouter );
~PNS_MEANDER_SKEW_PLACER();
/// @copydoc PNS_PLACEMENT_ALGO::Start()
bool Start( const VECTOR2I& aP, PNS_ITEM* aStartItem );
/// @copydoc PNS_PLACEMENT_ALGO::Move()
bool Move( const VECTOR2I& aP, PNS_ITEM* aEndItem );
/// @copydoc PNS_MEANDER_PLACER_BASE::TuningInfo()
const wxString TuningInfo() const;
private:
int currentSkew( ) const;
int itemsetLength( const PNS_ITEMSET& aSet ) const;
int origPathLength () const;
PNS_DIFF_PAIR m_originPair;
PNS_ITEMSET m_tunedPath, m_tunedPathP, m_tunedPathN;
int m_coupledLength;
};
#endif // __PNS_MEANDER_SKEW_PLACER_H
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