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/*
* This program source code file is part of KiCad, a free EDA CAD application.
*
* Copyright (C) 2004-2020 KiCad Developers.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, you may find one here:
* http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
* or you may search the http://www.gnu.org website for the version 2 license,
* or you may write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include <geometry/shape_poly_set.h>
#include <drc/drc_engine.h>
#include <drc/drc_item.h>
#include <drc/drc_rule.h>
#include <pad.h>
#include <geometry/shape_segment.h>
#include <drc/drc_test_provider_clearance_base.h>
#include <footprint.h>
/*
Couartyard clearance. Tests for malformed component courtyards and overlapping footprints.
Generated errors:
- DRCE_OVERLAPPING_FOOTPRINTS
- DRCE_MISSING_COURTYARD
- DRCE_MALFORMED_COURTYARD
- DRCE_PTH_IN_COURTYARD,
- DRCE_NPTH_IN_COURTYARD,
TODO: do an actual clearance check instead of polygon intersection. Treat closed outlines
as filled and allow open curves in the courtyard.
*/
class DRC_TEST_PROVIDER_COURTYARD_CLEARANCE : public DRC_TEST_PROVIDER_CLEARANCE_BASE
{
public:
DRC_TEST_PROVIDER_COURTYARD_CLEARANCE ()
{
m_isRuleDriven = false;
}
virtual ~DRC_TEST_PROVIDER_COURTYARD_CLEARANCE ()
{
}
virtual bool Run() override;
virtual const wxString GetName() const override
{
return "courtyard_clearance";
}
virtual const wxString GetDescription() const override
{
return "Tests footprints' courtyard clearance";
}
virtual std::set<DRC_CONSTRAINT_T> GetConstraintTypes() const override;
int GetNumPhases() const override;
private:
bool testFootprintCourtyardDefinitions();
bool testCourtyardClearances();
};
bool DRC_TEST_PROVIDER_COURTYARD_CLEARANCE::testFootprintCourtyardDefinitions()
{
const int delta = 100; // This is the number of tests between 2 calls to the progress bar
// Detects missing (or malformed) footprint courtyards
if( !m_drcEngine->IsErrorLimitExceeded( DRCE_MALFORMED_COURTYARD)
|| !m_drcEngine->IsErrorLimitExceeded( DRCE_MISSING_COURTYARD) )
{
if( !reportPhase( _( "Checking footprint courtyard definitions..." ) ) )
return false; // DRC cancelled
}
else if( !m_drcEngine->IsErrorLimitExceeded( DRCE_OVERLAPPING_FOOTPRINTS) )
{
if( !reportPhase( _( "Gathering footprint courtyards..." ) ) )
return false; // DRC cancelled
}
else
{
reportAux( "All courtyard violations ignored. Tests not run." );
return true; // continue with other tests
}
int ii = 0;
for( FOOTPRINT* footprint : m_board->Footprints() )
{
if( !reportProgress( ii++, m_board->Footprints().size(), delta ) )
return false; // DRC cancelled
if( ( footprint->GetFlags() & MALFORMED_COURTYARDS ) != 0 )
{
if( m_drcEngine->IsErrorLimitExceeded( DRCE_MALFORMED_COURTYARD) )
continue;
OUTLINE_ERROR_HANDLER errorHandler =
[&]( const wxString& msg, BOARD_ITEM* , BOARD_ITEM* , const wxPoint& pt )
{
std::shared_ptr<DRC_ITEM> drcItem = DRC_ITEM::Create( DRCE_MALFORMED_COURTYARD );
drcItem->SetErrorMessage( drcItem->GetErrorText() + wxS( " " ) + msg );
drcItem->SetItems( footprint );
reportViolation( drcItem, pt );
};
// Re-run courtyard tests to generate DRC_ITEMs
footprint->BuildPolyCourtyards( &errorHandler );
}
else if( footprint->GetPolyCourtyard( F_CrtYd ).OutlineCount() == 0
&& footprint->GetPolyCourtyard( B_CrtYd ).OutlineCount() == 0 )
{
if( m_drcEngine->IsErrorLimitExceeded( DRCE_MISSING_COURTYARD ) )
continue;
std::shared_ptr<DRC_ITEM> drcItem = DRC_ITEM::Create( DRCE_MISSING_COURTYARD );
drcItem->SetItems( footprint );
reportViolation( drcItem, footprint->GetPosition() );
}
else
{
footprint->GetPolyCourtyard( F_CrtYd ).BuildBBoxCaches();
footprint->GetPolyCourtyard( B_CrtYd ).BuildBBoxCaches();
}
}
return true;
}
bool DRC_TEST_PROVIDER_COURTYARD_CLEARANCE::testCourtyardClearances()
{
const int delta = 100; // This is the number of tests between 2 calls to the progress bar
if( !reportPhase( _( "Checking footprints for overlapping courtyards..." ) ) )
return false; // DRC cancelled
int ii = 0;
for( auto itA = m_board->Footprints().begin(); itA != m_board->Footprints().end(); itA++ )
{
if( !reportProgress( ii++, m_board->Footprints().size(), delta ) )
return false; // DRC cancelled
if( m_drcEngine->IsErrorLimitExceeded( DRCE_OVERLAPPING_FOOTPRINTS)
&& m_drcEngine->IsErrorLimitExceeded( DRCE_PTH_IN_COURTYARD )
&& m_drcEngine->IsErrorLimitExceeded( DRCE_NPTH_IN_COURTYARD ) )
{
return true; // continue with other tests
}
FOOTPRINT* fpA = *itA;
const SHAPE_POLY_SET& frontA = fpA->GetPolyCourtyard( F_CrtYd );
const SHAPE_POLY_SET& backA = fpA->GetPolyCourtyard( B_CrtYd );
if( frontA.OutlineCount() == 0 && backA.OutlineCount() == 0
&& m_drcEngine->IsErrorLimitExceeded( DRCE_PTH_IN_COURTYARD )
&& m_drcEngine->IsErrorLimitExceeded( DRCE_NPTH_IN_COURTYARD ) )
{
// No courtyards defined and no hole testing against other footprint's courtyards
continue;
}
BOX2I frontBBox = frontA.BBoxFromCaches();
BOX2I backBBox = backA.BBoxFromCaches();
frontBBox.Inflate( m_largestClearance );
backBBox.Inflate( m_largestClearance );
EDA_RECT fpABBox = fpA->GetBoundingBox();
for( auto itB = itA + 1; itB != m_board->Footprints().end(); itB++ )
{
FOOTPRINT* fpB = *itB;
EDA_RECT fpBBBox = fpB->GetBoundingBox();
const SHAPE_POLY_SET& frontB = fpB->GetPolyCourtyard( F_CrtYd );
const SHAPE_POLY_SET& backB = fpB->GetPolyCourtyard( B_CrtYd );
DRC_CONSTRAINT constraint;
int clearance;
int actual;
VECTOR2I pos;
if( frontA.OutlineCount() > 0 && frontB.OutlineCount() > 0
&& frontBBox.Intersects( frontB.BBoxFromCaches() ) )
{
constraint = m_drcEngine->EvalRules( COURTYARD_CLEARANCE_CONSTRAINT, fpA, fpB,
F_Cu );
clearance = constraint.GetValue().Min();
if( clearance >= 0 && frontA.Collide( &frontB, clearance, &actual, &pos ) )
{
auto drce = DRC_ITEM::Create( DRCE_OVERLAPPING_FOOTPRINTS );
if( clearance > 0 )
{
m_msg.Printf( _( "(%s clearance %s; actual %s)" ),
constraint.GetName(),
MessageTextFromValue( userUnits(), clearance ),
MessageTextFromValue( userUnits(), actual ) );
drce->SetErrorMessage( drce->GetErrorText() + wxS( " " ) + m_msg );
drce->SetViolatingRule( constraint.GetParentRule() );
}
drce->SetItems( fpA, fpB );
reportViolation( drce, (wxPoint) pos );
}
}
if( backA.OutlineCount() > 0 && backB.OutlineCount() > 0
&& backBBox.Intersects( backB.BBoxFromCaches() ) )
{
constraint = m_drcEngine->EvalRules( COURTYARD_CLEARANCE_CONSTRAINT, fpA, fpB,
B_Cu );
clearance = constraint.GetValue().Min();
if( clearance >= 0 && backA.Collide( &backB, clearance, &actual, &pos ) )
{
auto drce = DRC_ITEM::Create( DRCE_OVERLAPPING_FOOTPRINTS );
if( clearance > 0 )
{
m_msg.Printf( _( "(%s clearance %s; actual %s)" ),
constraint.GetName(),
MessageTextFromValue( userUnits(), clearance ),
MessageTextFromValue( userUnits(), actual ) );
drce->SetErrorMessage( drce->GetErrorText() + wxS( " " ) + m_msg );
drce->SetViolatingRule( constraint.GetParentRule() );
}
drce->SetItems( fpA, fpB );
reportViolation( drce, (wxPoint) pos );
}
}
auto testPadAgainstCourtyards =
[&]( const PAD* pad, const FOOTPRINT* footprint )
{
int errorCode = 0;
if( pad->GetAttribute() == PAD_ATTRIB::PTH )
errorCode = DRCE_PTH_IN_COURTYARD;
else if( pad->GetAttribute() == PAD_ATTRIB::NPTH )
errorCode = DRCE_NPTH_IN_COURTYARD;
else
return;
if( m_drcEngine->IsErrorLimitExceeded( errorCode ) )
return;
const SHAPE_SEGMENT* hole = pad->GetEffectiveHoleShape();
const SHAPE_POLY_SET& front = footprint->GetPolyCourtyard( F_CrtYd );
const SHAPE_POLY_SET& back = footprint->GetPolyCourtyard( B_CrtYd );
if( ( front.OutlineCount() > 0 && front.Collide( hole, 0 ) )
|| ( back.OutlineCount() > 0 && back.Collide( hole, 0 ) ) )
{
std::shared_ptr<DRC_ITEM> drce = DRC_ITEM::Create( errorCode );
drce->SetItems( pad, footprint );
reportViolation( drce, pad->GetPosition() );
}
};
if( ( frontA.OutlineCount() > 0 && frontA.BBoxFromCaches().Intersects( fpBBBox ) )
|| ( backA.OutlineCount() > 0 && backA.BBoxFromCaches().Intersects( fpBBBox ) ) )
{
for( const PAD* padB : fpB->Pads() )
testPadAgainstCourtyards( padB, fpA );
}
if( ( frontB.OutlineCount() > 0 && frontB.BBoxFromCaches().Intersects( fpABBox ) )
|| ( backB.OutlineCount() > 0 && backB.BBoxFromCaches().Intersects( fpABBox ) ) )
{
for( const PAD* padA : fpA->Pads() )
testPadAgainstCourtyards( padA, fpB );
}
}
}
return true;
}
bool DRC_TEST_PROVIDER_COURTYARD_CLEARANCE::Run()
{
m_board = m_drcEngine->GetBoard();
DRC_CONSTRAINT constraint;
if( m_drcEngine->QueryWorstConstraint( COURTYARD_CLEARANCE_CONSTRAINT, constraint ) )
m_largestClearance = constraint.GetValue().Min();
reportAux( "Worst courtyard clearance : %d nm", m_largestClearance );
if( !testFootprintCourtyardDefinitions() )
return false;
if( !testCourtyardClearances() )
return false;
return true;
}
int DRC_TEST_PROVIDER_COURTYARD_CLEARANCE::GetNumPhases() const
{
return 2;
}
std::set<DRC_CONSTRAINT_T> DRC_TEST_PROVIDER_COURTYARD_CLEARANCE::GetConstraintTypes() const
{
return { COURTYARD_CLEARANCE_CONSTRAINT };
}
namespace detail
{
static DRC_REGISTER_TEST_PROVIDER<DRC_TEST_PROVIDER_COURTYARD_CLEARANCE> dummy;
}
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