kicad/pcbnew/drc/drc_test_provider_sliver_ch...

168 lines
5.4 KiB
C++

/*
* This program source code file is part of KiCad, a free EDA CAD application.
*
* Copyright (C) 2021 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 <board.h>
#include <board_design_settings.h>
#include <zone.h>
#include <footprint.h>
#include <pcb_shape.h>
#include <geometry/shape_poly_set.h>
#include <drc/drc_rule.h>
#include <drc/drc_item.h>
#include <drc/drc_test_provider.h>
#include <advanced_config.h>
/*
Checks for slivers in copper layers
Errors generated:
- DRCE_COPPER_SLIVER
*/
class DRC_TEST_PROVIDER_SLIVER_CHECKER : public DRC_TEST_PROVIDER
{
public:
DRC_TEST_PROVIDER_SLIVER_CHECKER()
{
}
virtual ~DRC_TEST_PROVIDER_SLIVER_CHECKER()
{
}
virtual bool Run() override;
virtual const wxString GetName() const override
{
return "sliver checker";
};
virtual const wxString GetDescription() const override
{
return "Checks copper layers for slivers";
}
private:
wxString layerDesc( PCB_LAYER_ID aLayer );
};
wxString DRC_TEST_PROVIDER_SLIVER_CHECKER::layerDesc( PCB_LAYER_ID aLayer )
{
return wxString::Format( wxT( "(%s)" ), m_drcEngine->GetBoard()->GetLayerName( aLayer ) );
}
bool DRC_TEST_PROVIDER_SLIVER_CHECKER::Run()
{
const int delta = 250; // This is the number of tests between 2 calls to the progress bar
if( m_drcEngine->IsErrorLimitExceeded( DRCE_COPPER_SLIVER ) )
return true; // Continue with other tests
if( !reportPhase( _( "Running sliver detection on copper layers..." ) ) )
return false; // DRC cancelled
int widthTolerance = Millimeter2iu( ADVANCED_CFG::GetCfg().m_SliverWidthTolerance );
double angleTolerance = ADVANCED_CFG::GetCfg().m_SliverAngleTolerance;
int testLength = widthTolerance / ( 2 * sin( DEG2RAD( angleTolerance / 2 ) ) );
LSET copperLayers = m_drcEngine->GetBoard()->GetEnabledLayers() & LSET::AllCuMask();
for( PCB_LAYER_ID layer : copperLayers.Seq() )
{
if( m_drcEngine->IsErrorLimitExceeded( DRCE_COPPER_SLIVER ) )
continue;
int itemCount = 0;
int itemIdx = 0;
SHAPE_POLY_SET poly;
forEachGeometryItem( s_allBasicItems, LSET().set( layer ),
[&]( BOARD_ITEM* item ) -> bool
{
++itemCount;
return true;
} );
forEachGeometryItem( s_allBasicItems, LSET().set( layer ),
[&]( BOARD_ITEM* item ) -> bool
{
if( !reportProgress( itemIdx++, itemCount, delta ) )
return false;
if( item->Type() == PCB_ZONE_T || item->Type() == PCB_FP_ZONE_T )
{
ZONE* zone = static_cast<ZONE*>( item );
poly.BooleanAdd( zone->GetFilledPolysList( layer ),
SHAPE_POLY_SET::PM_FAST );
}
else
{
item->TransformShapeWithClearanceToPolygon( poly, layer, 0, ARC_LOW_DEF,
ERROR_OUTSIDE );
}
return true;
} );
poly.Simplify( SHAPE_POLY_SET::PM_FAST );
// Sharpen corners
poly.Deflate( widthTolerance / 2, ARC_LOW_DEF, SHAPE_POLY_SET::CHAMFER_ACUTE_CORNERS );
for( int jj = 0; jj < poly.OutlineCount(); ++jj )
{
const std::vector<VECTOR2I>& pts = poly.Outline( jj ).CPoints();
int ptCount = pts.size();
for( int kk = 0; kk < ptCount; ++kk )
{
VECTOR2I pt = pts[ kk ];
VECTOR2I ptBefore = pts[ ( ptCount + kk - 1 ) % ptCount ];
VECTOR2I ptAfter = pts[ ( kk + 1 ) % ptCount ];
VECTOR2I vBefore = ( ptBefore - pt );
VECTOR2I vAfter = ( ptAfter - pt );
VECTOR2I vIncluded = vBefore.Resize( testLength ) - vAfter.Resize( testLength );
if( vIncluded.SquaredEuclideanNorm() < SEG::Square( widthTolerance ) )
{
std::shared_ptr<DRC_ITEM> drce = DRC_ITEM::Create( DRCE_COPPER_SLIVER );
drce->SetErrorMessage( drce->GetErrorText() + wxS( " " ) + layerDesc( layer ) );
reportViolation( drce, (wxPoint) pt );
}
}
}
}
return true;
}
namespace detail
{
static DRC_REGISTER_TEST_PROVIDER<DRC_TEST_PROVIDER_SLIVER_CHECKER> dummy;
}