kicad/pcbnew/connectivity.h

228 lines
6.5 KiB
C++

/*
* This program source code file is part of KICAD, a free EDA CAD application.
*
* Copyright (C) 2013-2017 CERN
* @author Maciej Suminski <maciej.suminski@cern.ch>
* @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 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 __CONNECTIVITY_H
#define __CONNECTIVITY_H
#include <core/typeinfo.h>
#include <wx/string.h>
#include <vector>
#include <list>
#include <memory>
#include <math/vector2d.h>
class CN_CLUSTER;
class CN_CONNECTIVITY_ALGO;
class CN_EDGE;
class BOARD;
class BOARD_CONNECTED_ITEM;
class BOARD_ITEM;
class ZONE_CONTAINER;
class RN_DATA;
class RN_NET;
class TRACK;
class D_PAD;
struct CN_DISJOINT_NET_ENTRY
{
int net;
BOARD_CONNECTED_ITEM *a, *b;
VECTOR2I anchorA, anchorB;
};
struct RN_DYNAMIC_LINE
{
int netCode;
VECTOR2I a, b;
};
// a wrapper class encompassing the connectivity computation algorithm and the
class CONNECTIVITY_DATA
{
public:
CONNECTIVITY_DATA();
~CONNECTIVITY_DATA();
/**
* Function Build()
* Builds the connectivity database for the board aBoard.
*/
void Build( BOARD* aBoard );
/**
* Function Build()
* Builds the connectivity database for a set of items aItems.
*/
void Build( const std::vector<BOARD_ITEM*>& aItems );
/**
* Function Add()
* Adds an item to the connectivity data.
* @param aItem is an item to be added.
* @return True if operation succeeded.
*/
bool Add( BOARD_ITEM* aItem );
/**
* Function Remove()
* Removes an item from the connectivity data.
* @param aItem is an item to be updated.
* @return True if operation succeeded.
*/
bool Remove( BOARD_ITEM* aItem );
/**
* Function Update()
* Updates the connectivity data for an item.
* @param aItem is an item to be updated.
* @return True if operation succeeded.
*/
bool Update( BOARD_ITEM* aItem );
/**
* Function Clear()
* Erases the connectivity database.
*/
void Clear();
/**
* Function GetNetCount()
* Returns the total number of nets in the connectivity database.
*/
int GetNetCount() const;
/**
* Function GetRatsnestForNet()
* Returns the ratsnest, expressed as a set of graph edges for a given net.
*/
RN_NET* GetRatsnestForNet( int aNet );
/**
* Function PropagateNets()
* Propagates the net codes from the source pads to the tracks/vias.
*/
void PropagateNets();
bool CheckConnectivity( std::vector<CN_DISJOINT_NET_ENTRY>& aReport );
/**
* Function FindIsolatedCopperIslands()
* Searches for copper islands in zone aZone that are not connected to any pad.
* @param aZone zone to test
* @param aIslands list of islands that have no connections (outline indices in the polygon set)
*/
void FindIsolatedCopperIslands( ZONE_CONTAINER* aZone, std::vector<int>& aIslands );
/**
* Function RecalculateRatsnest()
* Updates the ratsnest for the board.
*/
void RecalculateRatsnest();
/**
* Function GetUnconnectedCount()
* Returns the number of remaining edges in the ratsnest.
*/
unsigned int GetUnconnectedCount() const;
unsigned int GetNodeCount( int aNet = -1 ) const;
unsigned int GetPadCount( int aNet = -1 ) const;
const std::vector<TRACK*> GetConnectedTracks( const BOARD_CONNECTED_ITEM* aItem ) const;
const std::vector<D_PAD*> GetConnectedPads( const BOARD_CONNECTED_ITEM* aItem ) const;
const std::vector<BOARD_CONNECTED_ITEM*> GetConnectedItems( const BOARD_CONNECTED_ITEM* aItem, const VECTOR2I& aAnchor, KICAD_T aTypes[] );
void GetUnconnectedEdges( std::vector<CN_EDGE>& aEdges ) const;
/**
* Function ClearDynamicRatsnest()
* Erases the temporary dynamic ratsnest (i.e. the ratsnest lines that)
* pcbnew displays when moving an item/set of items
*/
void ClearDynamicRatsnest();
/**
* Function ComputeDynamicRatsnest()
* Calculates the temporary dynamic ratsnest (i.e. the ratsnest lines that)
* for the set of items aItems.
*/
void ComputeDynamicRatsnest( const std::vector<BOARD_ITEM*>& aItems );
const std::vector<RN_DYNAMIC_LINE>& GetDynamicRatsnest() const
{
return m_dynamicRatsnest;
}
/**
* Function GetConnectedItems()
* Returns a list of items connected to a source item aItem.
* @param aItem is the reference item to find other connected items.
* @param aTypes allows to filter by item types.
*/
const std::list<BOARD_CONNECTED_ITEM*> GetConnectedItems( const BOARD_CONNECTED_ITEM* aItem,
const KICAD_T aTypes[] ) const;
/**
* Function GetNetItems()
* Returns the list of items that belong to a certain net.
* @param aNetCode is the net code.
* @param aTypes allows to filter by item types.
*/
const std::list<BOARD_CONNECTED_ITEM*> GetNetItems( int aNetCode,
const KICAD_T aTypes[] ) const;
const std::vector<VECTOR2I> NearestUnconnectedTargets( const BOARD_CONNECTED_ITEM* aRef,
const VECTOR2I& aPos,
int aMaxCount = -1 );
void BlockRatsnestItems( const std::vector<BOARD_ITEM*>& aItems );
std::shared_ptr<CN_CONNECTIVITY_ALGO> GetConnectivityAlgo() const
{
return m_connAlgo;
}
void MarkItemNetAsDirty( BOARD_ITEM* aItem );
private:
void updateRatsnest();
void addRatsnestCluster( std::shared_ptr<CN_CLUSTER> aCluster );
std::unique_ptr<CONNECTIVITY_DATA> m_dynamicConnectivity;
std::shared_ptr<CN_CONNECTIVITY_ALGO> m_connAlgo;
std::vector<RN_DYNAMIC_LINE> m_dynamicRatsnest;
std::vector<RN_NET*> m_nets;
};
#endif