kicad/pcbnew/tracks_cleaner.h

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/*
* This program source code file is part of KiCad, a free EDA CAD application.
*
* Copyright (C) 2019 KiCad Developers, see AUTHORS.txt for contributors.
*
* 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 2
* 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, you may find one here:
* http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
* or you may search the http://www.gnu.org website for the version 2 license,
* or you may write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
*/
#ifndef KICAD_TRACKS_CLEANER_H
#define KICAD_TRACKS_CLEANER_H
#include <class_track.h>
class BOARD;
class BOARD_COMMIT;
// Helper class used to clean tracks and vias
class TRACKS_CLEANER
{
public:
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TRACKS_CLEANER( EDA_UNITS aUnits, BOARD* aPcb, BOARD_COMMIT& aCommit );
/**
* the cleanup function.
* return true if some item was modified
* @param aCleanVias = true to remove superimposed vias
* @param aRemoveMisConnected = true to remove segments connecting 2 different nets
* @param aMergeSegments = true to merge collinear segmenst and remove 0 len segm
* @param aDeleteUnconnected = true to remove dangling tracks
* @param aDeleteTracksinPad = true to remove tracks fully inside pads
* (short circuits)
*/
bool CleanupBoard( bool aDryRun, std::vector<DRC_ITEM*>* aItemsList, bool aCleanVias,
bool aRemoveMisConnected, bool aMergeSegments, bool aDeleteUnconnected,
bool aDeleteTracksinPad );
private:
/* finds and remove all track segments which are connected to more than one net.
* (short circuits)
*/
bool removeBadTrackSegments();
/**
* Removes redundant vias like vias at same location
* or on pad through
*/
bool cleanupVias();
/**
* Removes dangling tracks
*/
bool deleteDanglingTracks();
/**
* Removes tracks that are fully inside pads
*/
bool deleteTracksInPads();
/// Delete null length track segments
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bool deleteNullSegments( TRACKS& aTracks );
/**
* Merge collinear segments and remove duplicated and null len segments
*/
bool cleanupSegments();
/**
* helper function
* Rebuild list of tracks, and connected tracks
* this info must be rebuilt when tracks are erased
*/
void buildTrackConnectionInfo();
/**
* helper function
* merge aTrackRef and aCandidate, when possible,
* i.e. when they are colinear, same width, and obviously same layer
* @return true if the segments are merged, false if not
* @param aSeg1 is the reference
* @param aSeg2 is the candidate, and after merging, the removed segment
*/
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bool mergeCollinearSegments( TRACK* aSeg1, TRACK* aSeg2 );
/**
* @return true if aTrack has at least one end dangling, i.e. connected
* to nothing.
* if aTrack is a via, it is dangling if the via is connected to nothing
* or only one item.
* @param aTrack is the track (or the via) to test.
*/
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bool testTrackEndpointDangling( TRACK* aTrack );
/**
* @return true if a track end position is a node, i.e. a end connected
* to more than one item.
* @param aTrack is the track to test.
* @param aTstStart = true ot test the start point of the track, and false to
* test the end point
*/
bool testTrackEndpointIsNode( TRACK* aTrack, bool aTstStart );
EDA_UNITS m_units;
BOARD* m_brd;
BOARD_COMMIT& m_commit;
bool m_dryRun;
std::vector<DRC_ITEM*>* m_itemsList;
bool removeItems( std::set<BOARD_ITEM*>& aItems );
};
#endif //KICAD_TRACKS_CLEANER_H