Handle single line segments on footprint edgecuts
Also, only display an infobar message for footprints when there is no footprint loaded (instead of if the outline isn't closed). Fixes https://gitlab.com/kicad/code/kicad/issues/4866
This commit is contained in:
Ian McInerney
parent
37eed564ab
commit
a5ed5e5675
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@ -430,7 +430,7 @@ void BOARD_ADAPTER::InitSettings( REPORTER* aStatusReporter, REPORTER* aWarningR
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if( aWarningReporter )
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{
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if( !createBoardPolygon( &msg ) )
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aWarningReporter->Report( _( "Board outline is not closed: " ) + msg, RPT_SEVERITY_WARNING );
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aWarningReporter->Report( msg, RPT_SEVERITY_WARNING );
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else
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aWarningReporter->Report( wxEmptyString );
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}
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@ -442,13 +442,40 @@ void BOARD_ADAPTER::InitSettings( REPORTER* aStatusReporter, REPORTER* aWarningR
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}
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extern bool BuildFootprintPolygonOutlines( BOARD* aBoard, SHAPE_POLY_SET& aOutlines,
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wxString* aErrorText, unsigned int aTolerance,
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wxPoint* aErrorLocation );
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bool BOARD_ADAPTER::createBoardPolygon( wxString* aErrorMsg )
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{
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m_board_poly.RemoveAllContours();
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wxString errmsg;
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bool success = false;
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wxString msg;
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return m_board->GetBoardPolygonOutlines( m_board_poly, aErrorMsg );
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if( m_board->IsFootprintHolder() )
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{
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success = BuildFootprintPolygonOutlines( m_board, m_board_poly, &msg,
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m_board->GetDesignSettings().m_MaxError,
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nullptr );
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// Make polygon strictly simple to avoid issues (especially in 3D viewer)
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m_board_poly.Simplify( SHAPE_POLY_SET::PM_STRICTLY_SIMPLE );
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if( aErrorMsg )
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*aErrorMsg = msg;
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}
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else
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{
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success = m_board->GetBoardPolygonOutlines( m_board_poly, &msg );
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if( aErrorMsg )
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*aErrorMsg = _( "Board outline is not closed: " ) + msg;
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}
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return success;
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}
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@ -40,6 +40,17 @@
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#include <geometry/shape_poly_set.h>
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#include <geometry/geometry_utils.h>
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#include <wx/log.h>
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/**
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* Flag to enable debug tracing for the board outline creation
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*
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* Use "KICAD_BOARD_OUTLINE" to enable.
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*
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* @ingroup trace_env_vars
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*/
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const wxChar* traceBoardOutline = wxT( "KICAD_BOARD_OUTLINE" );
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/**
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* Function close_ness
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@ -832,11 +843,21 @@ bool BuildBoardPolygonOutlines( BOARD* aBoard, SHAPE_POLY_SET& aOutlines, wxStri
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/**
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* Get the complete bounding box of the board (including all items)
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* Get the complete bounding box of the board (including all items).
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*
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* The vertex numbers and segment numbers of the rectangle returned.
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* 1
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* *---------------*
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* |1 2|
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* 0| |2
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* |0 3|
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* *---------------*
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* 3
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*/
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void buildBoardBoundingBoxPoly( const BOARD* aBoard, SHAPE_POLY_SET& aOutline )
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{
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EDA_RECT bbbox = aBoard->GetBoundingBox();
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EDA_RECT bbbox = aBoard->GetBoundingBox();
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SHAPE_LINE_CHAIN chain;
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// If null area, uses the global bounding box.
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if( ( bbbox.GetWidth() ) == 0 || ( bbbox.GetHeight() == 0 ) )
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@ -846,21 +867,17 @@ void buildBoardBoundingBoxPoly( const BOARD* aBoard, SHAPE_POLY_SET& aOutline )
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if( ( bbbox.GetWidth() ) == 0 || ( bbbox.GetHeight() == 0 ) )
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bbbox.Inflate( Millimeter2iu( 1.0 ) );
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// Inflate slightly (by 1/10th the size of the box)
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bbbox.Inflate( bbbox.GetWidth() / 10, bbbox.GetHeight() / 10 );
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chain.Append( bbbox.GetOrigin() );
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chain.Append( bbbox.GetOrigin().x, bbbox.GetEnd().y );
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chain.Append( bbbox.GetEnd() );
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chain.Append( bbbox.GetEnd().x, bbbox.GetOrigin().y );
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chain.SetClosed( true );
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aOutline.RemoveAllContours();
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aOutline.NewOutline();
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wxPoint corner;
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aOutline.Append( bbbox.GetOrigin() );
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corner.x = bbbox.GetOrigin().x;
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corner.y = bbbox.GetEnd().y;
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aOutline.Append( corner );
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aOutline.Append( bbbox.GetEnd() );
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corner.x = bbbox.GetEnd().x;
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corner.y = bbbox.GetOrigin().y;
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aOutline.Append( corner );
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aOutline.AddOutline( chain );
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}
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@ -868,22 +885,22 @@ bool isCopperOutside( const MODULE* aMod, SHAPE_POLY_SET& aShape )
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{
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bool padOutside = false;
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for( auto pad : aMod->Pads() )
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for( D_PAD* pad : aMod->Pads() )
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{
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SHAPE_POLY_SET padPoly;
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pad->BuildPadShapePolygon( padPoly, wxSize( 0, 0 ) );
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SHAPE_POLY_SET poly = aShape;
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bool padOutsidePad = false;
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for( auto it = padPoly.CIterateSegments( 0 ); it; it++ )
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poly.BooleanIntersection( *pad->GetEffectivePolygon(), SHAPE_POLY_SET::PM_FAST );
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if( poly.OutlineCount() == 0 )
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{
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auto seg = it.Get();
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padOutsidePad |= !aShape.Collide( seg );
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wxPoint padPos = pad->GetPosition();
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wxLogTrace( traceBoardOutline, "Tested pad (%d, %d): outside", padPos.x, padPos.y );
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padOutside = true;
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break;
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}
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wxPoint padPos = pad->GetPosition();
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wxLogDebug( "Tested pad (%d, %d): %s", padPos.x, padPos.y, padOutsidePad ? "true" : "false" );
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padOutside |= padOutsidePad;
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wxLogTrace( traceBoardOutline, "Tested pad (%d, %d): not outside", padPos.x, padPos.y );
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}
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return padOutside;
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@ -912,6 +929,59 @@ VECTOR2I projectPointOnSegment( const VECTOR2I& aEndPoint, const SHAPE_POLY_SET&
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}
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int findEndSegments( SHAPE_LINE_CHAIN& aChain, SEG& aStartSeg, SEG& aEndSeg )
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{
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int foundSegs = 0;
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for( int i = 0; i < aChain.SegmentCount(); i++ )
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{
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SEG seg = aChain.Segment( i );
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bool foundA = false;
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bool foundB = false;
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for( int j = 0; j < aChain.SegmentCount(); j++ )
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{
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// Don't test the segment against itself
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if( i == j )
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continue;
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SEG testSeg = aChain.Segment( j );
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if( testSeg.Contains( seg.A ) )
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foundA = true;
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if( testSeg.Contains( seg.B ) )
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foundB = true;
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}
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// This segment isn't a start or end
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if( foundA && foundB )
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continue;
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if( foundSegs == 0 )
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{
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// The first segment we encounter is the "start" segment
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wxLogTrace( traceBoardOutline, "Found start segment: (%d, %d)-(%d, %d)",
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seg.A.x, seg.A.y, seg.B.x, seg.B.y );
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aStartSeg = seg;
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foundSegs++;
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}
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else
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{
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// Once we find both start and end, we can stop
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wxLogTrace( traceBoardOutline, "Found end segment: (%d, %d)-(%d, %d)",
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seg.A.x, seg.A.y, seg.B.x, seg.B.y );
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aEndSeg = seg;
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foundSegs++;
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break;
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}
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}
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return foundSegs;
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}
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/**
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* This function is used to extract a board outline for a footprint view.
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*
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@ -925,7 +995,8 @@ VECTOR2I projectPointOnSegment( const VECTOR2I& aEndPoint, const SHAPE_POLY_SET&
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* as a hole, and the outer edge will be formed using the bounding box.
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*/
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bool BuildFootprintPolygonOutlines( BOARD* aBoard, SHAPE_POLY_SET& aOutlines,
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wxString* aErrorText, unsigned int aTolerance, wxPoint* aErrorLocation )
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wxString* aErrorText, unsigned int aTolerance,
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wxPoint* aErrorLocation )
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{
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PCB_TYPE_COLLECTOR items;
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@ -947,97 +1018,301 @@ bool BuildFootprintPolygonOutlines( BOARD* aBoard, SHAPE_POLY_SET& aOutlines,
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bool success = ConvertOutlineToPolygon( segList, outlines, aErrorText, aTolerance, aErrorLocation );
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MODULE* boardMod = aBoard->GetFirstModule();
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// No module loaded
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if( !boardMod )
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{
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wxLogTrace( traceBoardOutline, "No module found on board" );
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if( aErrorText )
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*aErrorText = _( "No footprint loaded" );
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return false;
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}
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// A closed outline was found
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if( success )
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{
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wxLogTrace( traceBoardOutline, "Closed outline found" );
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// If copper is outside a closed polygon, treat it as a hole
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if( isCopperOutside( aBoard->GetFirstModule(), outlines ) )
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if( isCopperOutside( boardMod, outlines ) )
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{
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wxLogTrace( traceBoardOutline, "Treating outline as a hole" );
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buildBoardBoundingBoxPoly( aBoard, aOutlines );
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// Copy all outlines from the conversion as holes into the new outline
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for( int i = 0; i < outlines.OutlineCount(); i++ )
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{
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aOutlines.AddHole( outlines.Outline( i ), -1 );
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SHAPE_LINE_CHAIN& out = outlines.Outline( i );
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if( out.IsClosed() )
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aOutlines.AddHole( out, -1 );
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for( int j = 0; j < outlines.HoleCount( i ); j++ )
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{
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aOutlines.AddHole( outlines.Hole( i, j ), -1 );
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SHAPE_LINE_CHAIN& hole = outlines.Hole( i, j );
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if( hole.IsClosed() )
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aOutlines.AddHole( hole, -1 );
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}
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}
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}
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// If all copper is inside, then the computed outline is the board outline
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else
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{
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wxLogTrace( traceBoardOutline, "Treating outline as board edge" );
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aOutlines = outlines;
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}
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return true;
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}
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// No board outlines were found, so use the bounding box
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else if( !outlines.OutlineCount() )
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else if( outlines.OutlineCount() == 0 )
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{
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wxLogTrace( traceBoardOutline, "Using footprint bounding box" );
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buildBoardBoundingBoxPoly( aBoard, aOutlines );
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return true;
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}
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// There is an outline present, but it is not closed
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else
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{
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SHAPE_POLY_SET closedPolys;
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SHAPE_POLY_SET openPolys;
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wxLogTrace( traceBoardOutline, "Trying to build outline" );
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// Extract all polygons to top-level entities
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for( int i = 0; i < outlines.OutlineCount(); i++ )
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std::vector<SHAPE_LINE_CHAIN> closedChains;
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std::vector<SHAPE_LINE_CHAIN> openChains;
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// The ConvertOutlineToPolygon function returns only one main
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// outline and the rest as holes, so we promote the holes and process them
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openChains.push_back( outlines.Outline( 0 ) );
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for( int j = 0; j < outlines.HoleCount( 0 ); j++ )
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{
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SHAPE_LINE_CHAIN chain = outlines.Outline( i );
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SHAPE_LINE_CHAIN hole = outlines.Hole( 0, j );
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// Separate the open and closed polygons
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if( chain.IsClosed() )
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if( hole.IsClosed() )
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{
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wxLogDebug( "Outline closed" );
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closedPolys.AddOutline( chain );
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wxLogTrace( traceBoardOutline, "Found closed hole" );
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closedChains.push_back( hole );
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}
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else
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{
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wxLogDebug( "Outline open" );
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chain.SetClosed( true );
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openPolys.AddOutline( chain );
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wxLogTrace( traceBoardOutline, "Found open hole" );
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openChains.push_back( hole );
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}
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}
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// The ConvertOutlineToPolygon function returns only one main
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// outline and the rest as holes, so we promote the holes
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for( int j = 0; j < outlines.HoleCount( i ); j++ )
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SHAPE_POLY_SET bbox;
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buildBoardBoundingBoxPoly( aBoard, bbox );
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// Treat the open polys as the board edge
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SHAPE_LINE_CHAIN chain = openChains[0];
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SHAPE_LINE_CHAIN rect = bbox.Outline( 0 );
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// We know the outline chain is open, so set to non-closed to get better segment count
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chain.SetClosed( false );
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SEG startSeg;
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SEG endSeg;
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// The two possible board outlines
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SHAPE_LINE_CHAIN upper;
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SHAPE_LINE_CHAIN lower;
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findEndSegments( chain, startSeg, endSeg );
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if( chain.SegmentCount() == 0 )
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{
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// Something is wrong, bail out with the overall module bounding box
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wxLogTrace( traceBoardOutline, "No line segments in provided outline" );
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aOutlines = bbox;
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return true;
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}
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else if( chain.SegmentCount() == 1 )
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{
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// This case means there is only 1 line segment making up the edge cuts of the footprint,
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// so we just need to use it to cut the bounding box in half.
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wxLogTrace( traceBoardOutline, "Only 1 line segment in provided outline" );
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startSeg = chain.Segment( 0 );
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// Intersect with all the sides of the rectangle
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OPT_VECTOR2I inter0 = startSeg.IntersectLines( rect.Segment( 0 ) );
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OPT_VECTOR2I inter1 = startSeg.IntersectLines( rect.Segment( 1 ) );
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OPT_VECTOR2I inter2 = startSeg.IntersectLines( rect.Segment( 2 ) );
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OPT_VECTOR2I inter3 = startSeg.IntersectLines( rect.Segment( 3 ) );
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if( inter0 && inter2 && !inter1 && !inter3 )
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{
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SHAPE_LINE_CHAIN hole = outlines.Hole( i, j );
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// Intersects the vertical rectangle sides only
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wxLogTrace( traceBoardOutline, "Segment intersects only vertical bbox sides" );
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if( hole.IsClosed() )
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// The upper half
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upper.Append( *inter0 );
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upper.Append( rect.GetPoint( 1 ) );
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upper.Append( rect.GetPoint( 2 ) );
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upper.Append( *inter2 );
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upper.SetClosed( true );
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// The lower half
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lower.Append( *inter0 );
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lower.Append( rect.GetPoint( 0 ) );
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lower.Append( rect.GetPoint( 3 ) );
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lower.Append( *inter2 );
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lower.SetClosed( true );
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}
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else if( inter1 && inter3 && !inter0 && !inter2 )
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{
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// Intersects the horizontal rectangle sides only
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wxLogTrace( traceBoardOutline, "Segment intersects only horizontal bbox sides" );
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// The left half
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upper.Append( *inter1 );
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upper.Append( rect.GetPoint( 1 ) );
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upper.Append( rect.GetPoint( 0 ) );
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upper.Append( *inter3 );
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upper.SetClosed( true );
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// The right half
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lower.Append( *inter1 );
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lower.Append( rect.GetPoint( 2 ) );
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lower.Append( rect.GetPoint( 3 ) );
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lower.Append( *inter3 );
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lower.SetClosed( true );
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}
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else
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{
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// Angled line segment that cuts across a corner
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wxLogTrace( traceBoardOutline, "Segment intersects two perpendicular bbox sides" );
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// Figure out which actual lines are intersected, since IntersectLines assumes an infinite line
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bool hit0 = rect.Segment( 0 ).Contains( *inter0 );
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bool hit1 = rect.Segment( 1 ).Contains( *inter1 );
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bool hit2 = rect.Segment( 2 ).Contains( *inter2 );
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bool hit3 = rect.Segment( 3 ).Contains( *inter3 );
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if( hit0 && hit1 )
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{
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wxLogDebug( "Hole closed" );
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closedPolys.AddOutline( hole );
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// Cut across the upper left corner
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wxLogTrace( traceBoardOutline, "Segment cuts upper left corner" );
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// The upper half
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upper.Append( *inter0 );
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upper.Append( rect.GetPoint( 1 ) );
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upper.Append( *inter1 );
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upper.SetClosed( true );
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// The lower half
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lower.Append( *inter0 );
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lower.Append( rect.GetPoint( 0 ) );
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lower.Append( rect.GetPoint( 3 ) );
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lower.Append( rect.GetPoint( 2 ) );
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lower.Append( *inter1 );
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lower.SetClosed( true );
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}
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else if( hit1 && hit2 )
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{
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// Cut across the upper right corner
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wxLogTrace( traceBoardOutline, "Segment cuts upper right corner" );
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// The upper half
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upper.Append( *inter1 );
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upper.Append( rect.GetPoint( 2 ) );
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upper.Append( *inter2 );
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upper.SetClosed( true );
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// The lower half
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lower.Append( *inter1 );
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lower.Append( rect.GetPoint( 1 ) );
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lower.Append( rect.GetPoint( 0 ) );
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lower.Append( rect.GetPoint( 3 ) );
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lower.Append( *inter2 );
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lower.SetClosed( true );
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}
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else if( hit2 && hit3 )
|
||||
{
|
||||
// Cut across the lower right corner
|
||||
wxLogTrace( traceBoardOutline, "Segment cuts lower right corner" );
|
||||
|
||||
// The upper half
|
||||
upper.Append( *inter2 );
|
||||
upper.Append( rect.GetPoint( 2 ) );
|
||||
upper.Append( rect.GetPoint( 1 ) );
|
||||
upper.Append( rect.GetPoint( 0 ) );
|
||||
upper.Append( *inter3 );
|
||||
upper.SetClosed( true );
|
||||
|
||||
// The bottom half
|
||||
lower.Append( *inter2 );
|
||||
lower.Append( rect.GetPoint( 3 ) );
|
||||
lower.Append( *inter3 );
|
||||
lower.SetClosed( true );
|
||||
}
|
||||
else
|
||||
{
|
||||
wxLogDebug( "Hole open" );
|
||||
hole.SetClosed( true );
|
||||
openPolys.AddOutline( hole );
|
||||
// Cut across the lower left corner
|
||||
wxLogTrace( traceBoardOutline, "Segment cuts upper left corner" );
|
||||
|
||||
// The upper half
|
||||
upper.Append( *inter0 );
|
||||
upper.Append( rect.GetPoint( 1 ) );
|
||||
upper.Append( rect.GetPoint( 2 ) );
|
||||
upper.Append( rect.GetPoint( 3 ) );
|
||||
upper.Append( *inter3 );
|
||||
upper.SetClosed( true );
|
||||
|
||||
// The bottom half
|
||||
lower.Append( *inter0 );
|
||||
lower.Append( rect.GetPoint( 0 ) );
|
||||
lower.Append( *inter3 );
|
||||
lower.SetClosed( true );
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
SHAPE_POLY_SET boardBoundingBox;
|
||||
buildBoardBoundingBoxPoly( aBoard, boardBoundingBox );
|
||||
|
||||
for( int i = 0; i < openPolys.OutlineCount(); i++ )
|
||||
else
|
||||
{
|
||||
SHAPE_LINE_CHAIN chain = openPolys.Outline( i );
|
||||
// More than 1 segment
|
||||
wxLogTrace( traceBoardOutline, "Multiple segments in outline" );
|
||||
|
||||
|
||||
VECTOR2I startProj = projectPointOnSegment( chain.CPoint( 0 ), openPolys, i );
|
||||
VECTOR2I endProj = projectPointOnSegment( chain.CLastPoint(), openPolys, i );
|
||||
|
||||
wxLogDebug( "Start project: (%d, %d)", startProj.x, startProj.y );
|
||||
wxLogDebug( "end project: (%d, %d)", endProj.x, endProj.y );
|
||||
// Just a temporary thing
|
||||
aOutlines = bbox;
|
||||
return true;
|
||||
}
|
||||
|
||||
// Figure out which is the correct outline
|
||||
SHAPE_POLY_SET poly1;
|
||||
SHAPE_POLY_SET poly2;
|
||||
|
||||
poly1.NewOutline();
|
||||
poly1.Append( upper );
|
||||
|
||||
poly2.NewOutline();
|
||||
poly2.Append( lower );
|
||||
|
||||
if( isCopperOutside( boardMod, poly1 ) )
|
||||
{
|
||||
wxLogTrace( traceBoardOutline, "Using lower shape" );
|
||||
aOutlines = poly2;
|
||||
}
|
||||
else
|
||||
{
|
||||
wxLogTrace( traceBoardOutline, "Using upper shape" );
|
||||
aOutlines = poly1;
|
||||
}
|
||||
|
||||
// Add all closed polys as holes to the main outline
|
||||
for( SHAPE_LINE_CHAIN& closedChain : closedChains )
|
||||
{
|
||||
wxLogTrace( traceBoardOutline, "Adding hole to main outline" );
|
||||
aOutlines.AddHole( closedChain, -1 );
|
||||
}
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
return success;
|
||||
// We really shouldn't reach this point
|
||||
return false;
|
||||
}
|
||||
|
|
|
|||
Loading…
Reference in New Issue