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Fix missing DRC via/track check 

Depending on pointer ordering, the via/track clearance check might not
run as we were only checking when the first element was a track not via.

Re-written version of 0150655ed3 for v6
This commit is contained in:
Seth Hillbrand 2022-09-20 15:32:55 -07:00
parent a35b89258a
commit c45aa734b0
1 changed files with 56 additions and 37 deletions
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93
pcbnew/drc/drc_test_provider_copper_clearance.cpp
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@ -268,6 +268,8 @@ bool DRC_TEST_PROVIDER_COPPER_CLEARANCE::testTrackAgainstItem( PCB_TRACK* track,
int actual; int actual;
VECTOR2I pos; VECTOR2I pos;
std::shared_ptr<SHAPE> otherShape = DRC_ENGINE::GetShape( other, layer );
if( other->Type() == PCB_PAD_T ) if( other->Type() == PCB_PAD_T )
{ {
PAD* pad = static_cast<PAD*>( other ); PAD* pad = static_cast<PAD*>( other );
@ -302,8 +304,6 @@ bool DRC_TEST_PROVIDER_COPPER_CLEARANCE::testTrackAgainstItem( PCB_TRACK* track,
} }
} }
std::shared_ptr<SHAPE> otherShape = DRC_ENGINE::GetShape( other, layer );
if( trackShape->Collide( otherShape.get(), clearance - m_drcEpsilon, &actual, &pos ) ) if( trackShape->Collide( otherShape.get(), clearance - m_drcEpsilon, &actual, &pos ) )
{ {
std::shared_ptr<DRC_ITEM> drce = DRC_ITEM::Create( DRCE_CLEARANCE ); std::shared_ptr<DRC_ITEM> drce = DRC_ITEM::Create( DRCE_CLEARANCE );
@ -325,52 +325,71 @@ bool DRC_TEST_PROVIDER_COPPER_CLEARANCE::testTrackAgainstItem( PCB_TRACK* track,
} }
} }
if( testHoles && ( other->Type() == PCB_VIA_T || other->Type() == PCB_PAD_T ) ) if( testHoles )
{ {
std::unique_ptr<SHAPE_SEGMENT> holeShape; std::array<BOARD_ITEM*, 2> a{ track, other };
std::array<BOARD_ITEM*, 2> b{ other, track };
std::array<SHAPE*, 2> a_shape{ trackShape, otherShape.get() };
bool has_error = false;
if( other->Type() == PCB_VIA_T ) for( size_t ii = 0; ii < 2 && !has_error; ++ii )
{ {
PCB_VIA* via = static_cast<PCB_VIA*>( other ); std::unique_ptr<SHAPE_SEGMENT> holeShape;
pos = via->GetPosition();
if( via->GetLayerSet().Contains( layer ) ) bool has_hole = b[ii]->Type() == PCB_VIA_T ||
holeShape.reset( new SHAPE_SEGMENT( pos, pos, via->GetDrill() ) ); ( b[ii]->Type() == PCB_PAD_T && static_cast<PAD*>( b[ii] )->GetDrillSize().x );
}
else if( other->Type() == PCB_PAD_T )
{
PAD* pad = static_cast<PAD*>( other );
if( pad->GetDrillSize().x ) // We only test a track item here against an item with a hole.
holeShape.reset( new SHAPE_SEGMENT( *pad->GetEffectiveHoleShape() ) ); // If either case is not valid, simply move on
} if( !( dynamic_cast<PCB_TRACK*>( a[ii] ) ) || !has_hole )
if( holeShape )
{
constraint = m_drcEngine->EvalRules( HOLE_CLEARANCE_CONSTRAINT, other, track, layer );
clearance = constraint.GetValue().Min();
if( clearance > 0 && trackShape->Collide( holeShape.get(),
std::max( 0, clearance - m_drcEpsilon ),
&actual, &pos ) )
{ {
continue;
}
if( b[ii]->Type() == PCB_VIA_T )
{
PCB_VIA* via = static_cast<PCB_VIA*>( b[ii] );
pos = via->GetPosition();
std::shared_ptr<DRC_ITEM> drce = DRC_ITEM::Create( DRCE_HOLE_CLEARANCE ); if( via->GetLayerSet().Contains( layer ) )
wxString msg; holeShape.reset( new SHAPE_SEGMENT( pos, pos, via->GetDrill() ) );
}
else if( b[ii]->Type() == PCB_PAD_T )
{
PAD* pad = static_cast<PAD*>( b[ii] );
msg.Printf( _( "(%s clearance %s; actual %s)" ), if( pad->GetDrillSize().x )
constraint.GetName(), holeShape.reset( new SHAPE_SEGMENT( *pad->GetEffectiveHoleShape() ) );
MessageTextFromValue( userUnits(), clearance ), }
MessageTextFromValue( userUnits(), actual ) );
drce->SetErrorMessage( drce->GetErrorText() + wxS( " " ) + msg ); if( holeShape )
drce->SetItems( track, other ); {
drce->SetViolatingRule( constraint.GetParentRule() ); constraint = m_drcEngine->EvalRules( HOLE_CLEARANCE_CONSTRAINT, b[ii], a[ii], layer );
clearance = constraint.GetValue().Min();
reportViolation( drce, (wxPoint) pos ); if( clearance > 0 && a_shape[ii]->Collide( holeShape.get(),
std::max( 0, clearance - m_drcEpsilon ),
&actual, &pos ) )
{
if( !m_drcEngine->GetReportAllTrackErrors() ) std::shared_ptr<DRC_ITEM> drce = DRC_ITEM::Create( DRCE_HOLE_CLEARANCE );
return false; wxString msg;
msg.Printf( _( "(%s clearance %s; actual %s)" ),
constraint.GetName(),
MessageTextFromValue( userUnits(), clearance ),
MessageTextFromValue( userUnits(), actual ) );
drce->SetErrorMessage( drce->GetErrorText() + wxS( " " ) + msg );
drce->SetItems( a[ii], b[ii] );
drce->SetViolatingRule( constraint.GetParentRule() );
reportViolation( drce, (wxPoint) pos );
has_error = true;
if( !m_drcEngine->GetReportAllTrackErrors() )
return false;
}
} }
} }
} }