120 lines
3.5 KiB
C++
120 lines
3.5 KiB
C++
/*
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* This program source code file is part of KICAD, a free EDA CAD application.
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*
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* Copyright (C) 2013-2015 CERN
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* Copyright (C) 2019-2022 KiCad Developers, see AUTHORS.txt for contributors.
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*
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* @author Maciej Suminski <maciej.suminski@cern.ch>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, you may find one here:
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* http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
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* or you may search the http://www.gnu.org website for the version 2 license,
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* or you may write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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/**
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* @file ratsnest_data.h
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* @brief Class that computes missing connections on a PCB.
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*/
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#ifndef RATSNEST_DATA_H
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#define RATSNEST_DATA_H
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#include <core/typeinfo.h>
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#include <math/box2.h>
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#include <set>
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#include <vector>
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#include <connectivity/connectivity_algo.h>
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class BOARD_ITEM;
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class BOARD_CONNECTED_ITEM;
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class CN_CLUSTER;
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struct CN_PTR_CMP
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{
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bool operator()( const std::shared_ptr<CN_ANCHOR>& aItem,
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const std::shared_ptr<CN_ANCHOR>& bItem ) const
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{
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if( aItem->Pos().x == bItem->Pos().x )
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return aItem->Pos().y < bItem->Pos().y;
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else
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return aItem->Pos().x < bItem->Pos().x;
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}
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};
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/**
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* Describe ratsnest for a single net.
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*/
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class RN_NET
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{
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public:
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RN_NET();
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/**
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* Return state of the 'dirty' flag, indicating that ratsnest for a given net is invalid
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* and requires an update.
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*
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* @return True if ratsnest requires recomputation, false otherwise.
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*/
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bool IsDirty() const { return m_dirty; }
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/**
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* Recompute ratsnest for a net.
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*/
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void UpdateNet();
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void Clear();
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void AddCluster( std::shared_ptr<CN_CLUSTER> aCluster );
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unsigned int GetNodeCount() const { return m_nodes.size(); }
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const std::vector<CN_EDGE>& GetEdges() const { return m_rnEdges; }
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std::vector<CN_EDGE>& GetEdges() { return m_rnEdges; }
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bool NearestBicoloredPair( RN_NET* aOtherNet, VECTOR2I& aPos1, VECTOR2I& aPos2 ) const;
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protected:
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///< Recompute ratsnest from scratch.
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void compute();
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///< Compute the minimum spanning tree using Kruskal's algorithm
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void kruskalMST( const std::vector<CN_EDGE> &aEdges );
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///< Find optimal ends of RNEdges. The MST will have found the closest anchors, but when
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///< zones are involved we might have points closer than the anchors.
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void optimizeRNEdges();
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protected:
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///< Vector of nodes
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std::multiset<std::shared_ptr<CN_ANCHOR>, CN_PTR_CMP> m_nodes;
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///< Vector of edges that make pre-defined connections
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std::vector<CN_EDGE> m_boardEdges;
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///< Vector of edges that makes ratsnest for a given net.
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std::vector<CN_EDGE> m_rnEdges;
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///< Flag indicating necessity of recalculation of ratsnest for a net.
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bool m_dirty;
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class TRIANGULATOR_STATE;
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std::shared_ptr<TRIANGULATOR_STATE> m_triangulator;
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};
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#endif /* RATSNEST_DATA_H */
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