96 lines
3.3 KiB
C++
96 lines
3.3 KiB
C++
/**
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* @file connect.cpp
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* @brief Functions to handle existing tracks in ratsnest calculations.
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*/
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/*
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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) 2012 Jean-Pierre Charras, jean-pierre.charras@ujf-grenoble.fr
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* Copyright (C) 2012 SoftPLC Corporation, Dick Hollenbeck <dick@softplc.com>
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* Copyright (C) 1992-2015 KiCad Developers, see AUTHORS.txt for contributors.
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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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#include <fctsys.h>
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#include <common.h>
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#include <macros.h>
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#include <wxBasePcbFrame.h>
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#include <view/view.h>
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#include <pcbnew.h>
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#include <class_board.h>
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/*
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* Function SortTracksByNetCode used in RebuildTrackChain()
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* to sort track segments by net code.
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*/
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static bool SortTracksByNetCode( const TRACK* const & ref, const TRACK* const & compare )
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{
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// For items having the same Net, keep the order in list
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if( ref->GetNetCode() == compare->GetNetCode())
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return ref->m_Param < compare->m_Param;
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return ref->GetNetCode() < compare->GetNetCode();
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}
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/**
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* Helper function RebuildTrackChain
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* rebuilds the track segment linked list in order to have a chain
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* sorted by increasing netcodes.
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* We try to keep order of track segments in list, when possible
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* @param pcb = board to rebuild
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*/
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static void RebuildTrackChain( BOARD* pcb )
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{
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if( pcb->m_Track == NULL )
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return;
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int item_count = pcb->m_Track.GetCount();
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std::vector<TRACK*> trackList;
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trackList.reserve( item_count );
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// Put track list in a temporary list to sort tracks by netcode
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// We try to keep the initial order of track segments in list, when possible
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// so we use m_Param (a member variable used for temporary storage)
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// to temporary keep trace of the order of segments
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// The sort function uses this variable to sort items that
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// have the same net code.
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// Without this, during sorting, the initial order is sometimes lost
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// by the sort algorithm
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for( int ii = 0; ii < item_count; ++ii )
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{
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pcb->m_Track->m_Param = ii;
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trackList.push_back( pcb->m_Track.PopFront() );
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}
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// the list is empty now
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wxASSERT( pcb->m_Track == NULL && pcb->m_Track.GetCount()==0 );
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sort( trackList.begin(), trackList.end(), SortTracksByNetCode );
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// add them back to the list
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for( int i = 0; i < item_count; ++i )
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pcb->m_Track.PushBack( trackList[i] );
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}
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void PCB_BASE_FRAME::TestNetConnection( wxDC* aDC, int aNetCode )
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{
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}
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