160 lines
5.3 KiB
C++
160 lines
5.3 KiB
C++
/////////////////////////////////////////////////////////////////////////////
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// Name: zones_polygons_insulated_copper_islands.cpp
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// Licence: GPL License
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/////////////////////////////////////////////////////////////////////////////
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#ifndef WX_PRECOMP
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#include "wx/wx.h"
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#endif
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// For compilers that support precompilation, includes "wx/wx.h".
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#include "wx/wxprec.h"
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#ifdef __BORLANDC__
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#pragma hdrstop
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#endif
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using namespace std;
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#include "fctsys.h"
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#include "common.h"
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#include "pcbnew.h"
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#include "PolyLine.h"
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#include "zones.h"
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/***************************************************************************************/
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void ZONE_CONTAINER::Test_For_Copper_Island_And_Remove_Insulated_Islands( BOARD * aPcb )
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/***************************************************************************************/
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/**
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* Function Test_For_Copper_Island_And_Remove__Insulated_Islands
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* Remove insulated copper islands found in m_FilledPolysList.
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* @param aPcb = the board to analyse
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*/
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{
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if( m_FilledPolysList.size() == 0 )
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return;
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// Build a list of points connected to the net:
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std::vector <wxPoint> ListPointsCandidates; // list of coordinates of pads and vias on this layer and on this net.
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for( MODULE* module = aPcb->m_Modules;
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module;
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module = module->Next() )
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{
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for( D_PAD* pad = module->m_Pads;
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pad != NULL;
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pad = pad->Next() )
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{
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if( !pad->IsOnLayer( GetLayer() ) )
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continue;
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if( pad->GetNet() != GetNet() )
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continue;
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ListPointsCandidates.push_back( pad->m_Pos );
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}
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}
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for( TRACK* track = aPcb->m_Track;
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track;
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track = track->Next() )
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{
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if( !track->IsOnLayer( GetLayer() ) )
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continue;
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if( track->GetNet() != GetNet() )
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continue;
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ListPointsCandidates.push_back( track->m_Start );
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if( track->Type() != TYPE_VIA )
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ListPointsCandidates.push_back( track->m_End );
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}
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// test if a point is inside
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unsigned indexstart = 0, indexend;
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bool connected = false;
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for( indexend = 0;
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indexend < m_FilledPolysList.size();
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indexend++ )
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{
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if( m_FilledPolysList[indexend].end_contour ) // end of a filled sub-area found
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{
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EDA_Rect bbox =
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CalculateSubAreaBoundaryBox( indexstart,
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indexend );
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for( unsigned ic = 0;
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ic < ListPointsCandidates.size();
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ic++ )
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{ // test if this area is connected to a board item:
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wxPoint pos = ListPointsCandidates[ic];
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if( !bbox.Contains( pos ) )
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continue;
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if( TestPointInsidePolygon(
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m_FilledPolysList, indexstart,
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indexend, pos.x,
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pos.y ) )
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{
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connected = true;
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break;
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}
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}
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if( connected ) // this polygon is connected: analyse next polygon
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{
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indexstart = indexend + 1; // indexstart points the first point of the next polygon
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connected = false;
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}
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else // Not connected: remove this polygon
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{
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m_FilledPolysList.erase(
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m_FilledPolysList.begin() + indexstart,
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m_FilledPolysList.begin() + indexend +
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1 );
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indexend = indexstart; /* indexstart points the first point of the next polygon
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* because the current poly is removed */
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}
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}
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}
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}
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/**************************************************************************************/
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EDA_Rect ZONE_CONTAINER::CalculateSubAreaBoundaryBox( int aIndexStart, int aIndexEnd )
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/**************************************************************************************/
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/**
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* Function CalculateSubAreaBoundaryBox
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* Calculates the bounding box of a a filled area ( list of CPolyPt )
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* use m_FilledPolysList as list of CPolyPt (that are the corners of one or more polygons or filled areas )
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* @return an EDA_Rect as bounding box
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* @param aIndexStart = index of the first corner of a polygon (filled area) in m_FilledPolysList
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* @param aIndexEnd = index of the last corner of a polygon in m_FilledPolysList
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*/
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{
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CPolyPt start_point, end_point;
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EDA_Rect bbox;
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start_point = m_FilledPolysList[aIndexStart];
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end_point = start_point;
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for( int ii = aIndexStart; ii <= aIndexEnd; ii++ )
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{
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CPolyPt ptst = m_FilledPolysList[ii];
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if( start_point.x > ptst.x )
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start_point.x = ptst.x;
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if( start_point.y > ptst.y )
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start_point.y = ptst.y;
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if( end_point.x < ptst.x )
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end_point.x = ptst.x;
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if( end_point.y < ptst.y )
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end_point.y = ptst.y;
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}
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bbox.SetOrigin( start_point.x, start_point.y );
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bbox.SetEnd( wxPoint( end_point.x, end_point.y ) );
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return bbox;
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}
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