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/*
* 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_DP_MEANDER_PLACER_H
#define __PNS_DP_MEANDER_PLACER_H
#include <math/vector2d.h>
#include <geometry/shape.h>
#include <geometry/shape_line_chain.h>
#include "pns_node.h"
#include "pns_via.h"
#include "pns_line.h"
#include "pns_placement_algo.h"
#include "pns_meander.h"
#include "pns_meander_placer_base.h"
#include "pns_diff_pair.h"
class PNS_ROUTER;
class PNS_SHOVE;
class PNS_OPTIMIZER;
class PNS_ROUTER_BASE;
/**
* Class PNS_DP_MEANDER_PLACER
*
* Differential Pair length-matching/meandering tool.
*/
class PNS_DP_MEANDER_PLACER : public PNS_MEANDER_PLACER_BASE
{
public:
PNS_DP_MEANDER_PLACER( PNS_ROUTER* aRouter );
~PNS_DP_MEANDER_PLACER();
/**
* Function Start()
*
* Starts routing a single track at point aP, taking item aStartItem as anchor
* (unless NULL).
*/
bool Start ( const VECTOR2I& aP, PNS_ITEM* aStartItem );
/**
* Function Move()
*
* Moves the end of the currently routed trace to the point aP, taking
* aEndItem as anchor (if not NULL).
* (unless NULL).
*/
bool Move( const VECTOR2I& aP, PNS_ITEM* aEndItem );
/**
* Function FixRoute()
*
* Commits the currently routed track to the parent node, taking
* aP as the final end point and aEndItem as the final anchor (if provided).
* @return true, if route has been commited. May return false if the routing
* result is violating design rules - in such case, the track is only committed
* if Settings.CanViolateDRC() is on.
*/
bool FixRoute( const VECTOR2I& aP, PNS_ITEM* aEndItem );
const PNS_LINE Trace() const;
/**
* Function CurrentNode()
*
* Returns the most recent world state.
*/
PNS_NODE* CurrentNode( bool aLoopsRemoved = false ) const;
const PNS_ITEMSET Traces();
const VECTOR2I& CurrentEnd() const;
/// @copydoc PNS_PLACEMENT_ALGO::CurrentNets()
const std::vector<int> CurrentNets() const;
int CurrentLayer() const;
int totalLength();
const wxString TuningInfo() const;
TUNING_STATUS TuningStatus() const;
bool CheckFit( PNS_MEANDER_SHAPE* aShape );
private:
friend class PNS_MEANDER_SHAPE;
void meanderSegment ( const SEG& aBase );
// void addMeander ( PNS_MEANDER *aM );
// void addCorner ( const VECTOR2I& aP );
const SEG baselineSegment( const PNS_DIFF_PAIR::COUPLED_SEGMENTS& aCoupledSegs );
void setWorld( PNS_NODE* aWorld );
void release();
int origPathLength() const;
///> pointer to world to search colliding items
PNS_NODE* m_world;
///> current routing start point (end of tail, beginning of head)
VECTOR2I m_currentStart;
///> Current world state
PNS_NODE* m_currentNode;
PNS_DIFF_PAIR m_originPair;
PNS_DIFF_PAIR::COUPLED_SEGMENTS_VEC m_coupledSegments;
PNS_LINE m_currentTraceN, m_currentTraceP;
PNS_ITEMSET m_tunedPath, m_tunedPathP, m_tunedPathN;
SHAPE_LINE_CHAIN m_finalShapeP, m_finalShapeN;
PNS_MEANDERED_LINE m_result;
PNS_SEGMENT* m_initialSegment;
int m_lastLength;
TUNING_STATUS m_lastStatus;
};
#endif // __PNS_DP_MEANDER_PLACER_H
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