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Pcbnew, zones filled: fix incorrect clipping of filled areas outside the board outlines. 

fix also an other minor issue: these filled areas were slightly too large.
This commit is contained in:
jean-pierre charras 2019-06-22 09:55:25 +02:00
parent d132cf37e0
commit b1803bcf02
2 changed files with 23 additions and 9 deletions
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29
pcbnew/zone_filler.cpp
View File

@ -122,6 +122,10 @@ bool ZONE_FILLER::Fill( const std::vector<ZONE_CONTAINER*>& aZones, bool aCheck
m_progressReporter->SetMaxProgress( toFill.size() );
}
// The board outlines is used to clip solid areas inside the board (when outlines are valid)
m_boardOutline.RemoveAllContours();
m_brdOutlinesValid = m_board->GetBoardPolygonOutlines( m_boardOutline );
for( auto zone : aZones )
{
// Keepout zones are not filled
@ -206,8 +210,6 @@ bool ZONE_FILLER::Fill( const std::vector<ZONE_CONTAINER*>& aZones, bool aCheck
// Now remove insulated copper islands and islands outside the board edge
bool outOfDate = false;
SHAPE_POLY_SET boardOutline;
bool clip_to_brd_outlines = m_board->GetBoardPolygonOutlines( boardOutline );
for( auto& zone : toFill )
{
@ -231,12 +233,13 @@ bool ZONE_FILLER::Fill( const std::vector<ZONE_CONTAINER*>& aZones, bool aCheck
// but they can have some areas outside the board cutouts.
// A filled area outside the board cutouts has all points outside cutouts,
// so we only need to check one point for each filled polygon.
else if( clip_to_brd_outlines )
// Note also non copper zones are already clipped
else if( m_brdOutlinesValid && !zone.m_zone->IsOnCopperLayer() )
{
for( int idx = 0; idx < poly.OutlineCount(); )
for( int idx = 0; idx < poly.OutlineCount(); )
{
if( poly.Polygon( idx ).empty() ||
!boardOutline.Contains( poly.Polygon( idx ).front().CPoint( 0 ) ) )
!m_boardOutline.Contains( poly.Polygon( idx ).front().CPoint( 0 ) ) )
{
poly.DeletePolygon( idx );
}
@ -788,8 +791,13 @@ void ZONE_FILLER::computeRawFilledAreas( const ZONE_CONTAINER* aZone,
if( s_DumpZonesWhenFilling )
dumper->Write( &solidAreas, "solid-areas-minus-holes" );
// This code for non copper zones is currently a dead code:
// computeRawFilledAreas() is no longer called for non copper zones
if( !aZone->IsOnCopperLayer() )
{
if( m_brdOutlinesValid )
solidAreas.BooleanIntersection( m_boardOutline, SHAPE_POLY_SET::PM_FAST );
SHAPE_POLY_SET areas_fractured = solidAreas;
areas_fractured.Fracture( SHAPE_POLY_SET::PM_FAST );
@ -908,10 +916,12 @@ bool ZONE_FILLER::fillSingleZone( ZONE_CONTAINER* aZone, SHAPE_POLY_SET& aRawPol
}
else
{
int numSegs = std::max(
GetArcToSegmentCount( aZone->GetMinThickness() / 2,
m_board->GetDesignSettings().m_MaxError, 360.0 ), 6 );
aFinalPolys.Inflate( -aZone->GetMinThickness() / 2, numSegs );
if( m_brdOutlinesValid )
smoothedPoly.BooleanIntersection( m_boardOutline, SHAPE_POLY_SET::PM_FAST );
int numSegs = std::max( GetArcToSegmentCount( aZone->GetMinThickness() / 2,
m_board->GetDesignSettings().m_MaxError, 360.0 ), 6 );
smoothedPoly.Inflate( -aZone->GetMinThickness() / 2, numSegs );
// Remove the non filled areas due to the hatch pattern
if( aZone->GetFillMode() == ZFM_HATCH_PATTERN )
@ -919,6 +929,7 @@ bool ZONE_FILLER::fillSingleZone( ZONE_CONTAINER* aZone, SHAPE_POLY_SET& aRawPol
aRawPolys = smoothedPoly;
aFinalPolys = smoothedPoly;
aFinalPolys.Fracture( SHAPE_POLY_SET::PM_STRICTLY_SIMPLE );
}

3
pcbnew/zone_filler.h
View File

@ -109,6 +109,9 @@ private:
void addHatchFillTypeOnZone( const ZONE_CONTAINER* aZone, SHAPE_POLY_SET& aRawPolys ) const;
BOARD* m_board;
SHAPE_POLY_SET m_boardOutline; // The board outlines, if exists
bool m_brdOutlinesValid; // true if m_boardOutline can be calculated
// false if not (not closed outlines for instance)
COMMIT* m_commit;
WX_PROGRESS_REPORTER* m_progressReporter;
};