kicad/pcbnew/router/pns_dp_meander_placer.h

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/*
* KiRouter - a push-and-(sometimes-)shove PCB router
*
* Copyright (C) 2013-2014 CERN
* Copyright (C) 2016-2023 KiCad Developers, see AUTHORS.txt for contributors.
*
* @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"
#include "pns_debug_decorator.h"
namespace PNS {
class ROUTER;
/**
* Differential Pair length-matching/meandering tool.
*/
class DP_MEANDER_PLACER : public MEANDER_PLACER_BASE
{
public:
DP_MEANDER_PLACER( ROUTER* aRouter );
~DP_MEANDER_PLACER();
/**
* Start routing a single track at point \a aP, taking item \a aStartItem as anchor
* (unless NULL).
*/
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bool Start( const VECTOR2I& aP, ITEM* aStartItem ) override;
/**
* Move the end of the currently routed trace to the point \a aP, taking \a aEndItem as
* anchor (if not NULL).
*/
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bool Move( const VECTOR2I& aP, ITEM* aEndItem ) override;
/**
* Commit the currently routed track to the parent node, taking \a aP as the final end
* point and \a aEndItem as the final anchor (if provided).
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*
* @return true if route has been committed. May return false if the routing result is
* violating design rules. In such cases, the track is only committed if
* Settings.CanViolateDRC() is on.
*/
bool FixRoute( const VECTOR2I& aP, ITEM* aEndItem, bool aForceFinish = false ) override;
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/// @copydoc PLACEMENT_ALGO::CommitPlacement()
bool CommitPlacement() override;
/// @copydoc PLACEMENT_ALGO::AbortPlacement()
bool AbortPlacement() override;
/// @copydoc PLACEMENT_ALGO::HasPlacedAnything()
bool HasPlacedAnything() const override;
const LINE Trace() const;
const DIFF_PAIR& GetOriginPair();
/**
* Return the most recent world state.
*/
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NODE* CurrentNode( bool aLoopsRemoved = false ) const override;
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const ITEM_SET Traces() override;
const ITEM_SET TunedPath() override;
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/// @copydoc PLACEMENT_ALGO::CurrentStart()
const VECTOR2I& CurrentStart() const override;
/// @copydoc PLACEMENT_ALGO::CurrentEnd()
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const VECTOR2I& CurrentEnd() const override;
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/// @copydoc PLACEMENT_ALGO::CurrentNets()
const std::vector<NET_HANDLE> CurrentNets() const override;
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int CurrentLayer() const override;
long long int totalLength();
long long int TuningResult() const override;
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TUNING_STATUS TuningStatus() const override;
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bool CheckFit( MEANDER_SHAPE* aShape ) override;
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private:
friend class MEANDER_SHAPE;
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void meanderSegment( const SEG& aBase );
// void addMeander ( PNS_MEANDER *aM );
// void addCorner ( const VECTOR2I& aP );
const SEG baselineSegment( const DIFF_PAIR::COUPLED_SEGMENTS& aCoupledSegs );
bool pairOrientation( const DIFF_PAIR::COUPLED_SEGMENTS& aPair );
void setWorld( NODE* aWorld );
void release();
long long int origPathLength() const;
///< Current routing start point (end of tail, beginning of head).
VECTOR2I m_currentStart;
///< Current world state.
NODE* m_currentNode;
DIFF_PAIR m_originPair;
DIFF_PAIR::COUPLED_SEGMENTS_VEC m_coupledSegments;
LINE m_currentTraceN, m_currentTraceP;
ITEM_SET m_tunedPath, m_tunedPathP, m_tunedPathN;
SHAPE_LINE_CHAIN m_finalShapeP, m_finalShapeN;
MEANDERED_LINE m_result;
LINKED_ITEM* m_initialSegment;
long long int m_lastLength;
int m_padToDieP;
int m_padToDieN;
TUNING_STATUS m_lastStatus;
};
}
#endif // __PNS_DP_MEANDER_PLACER_H