308 lines
10 KiB
C++
308 lines
10 KiB
C++
/*
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* This program source code file is part of KiCad, a free EDA CAD application.
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*
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* Copyright (C) 2020 KiCad Developers, see AUTHORS.txt for contributors.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, you may find one here:
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* http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
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* or you may search the http://www.gnu.org website for the version 2 license,
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* or you may write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#include <drc/drc_drilled_hole_tester.h>
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#include <class_module.h>
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#include <drc/drc.h>
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#include <widgets/ui_common.h>
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DRC_DRILLED_HOLE_TESTER::DRC_DRILLED_HOLE_TESTER( MARKER_HANDLER aMarkerHandler ) :
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LEGACY_DRC_TEST_PROVIDER( std::move( aMarkerHandler ) ),
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m_units( EDA_UNITS::MILLIMETRES ),
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m_board( nullptr ),
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m_largestRadius( 0 )
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{
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}
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bool DRC_DRILLED_HOLE_TESTER::RunDRC( EDA_UNITS aUnits, BOARD& aBoard )
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{
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bool success = true;
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// Test drilled holes to minimize drill bit breakage.
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//
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// Check pad & std. via circular holes for hole-to-hole-min (non-circular holes are milled)
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// Check pad & std. via holes for via-min-drill (minimum hole classification)
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// Check uvia holes for uvia-min-drill (laser drill classification)
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m_units = aUnits;
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m_board = &aBoard;
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m_holes.clear();
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m_largestRadius = 0;
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for( MODULE* mod : aBoard.Modules() )
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{
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for( D_PAD* pad : mod->Pads( ) )
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success &= checkPad( pad );
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}
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for( TRACK* track : aBoard.Tracks() )
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{
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VIA* via = dynamic_cast<VIA*>( track );
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if( via )
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{
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if( via->GetViaType() == VIATYPE::MICROVIA )
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success &= checkMicroVia( via );
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else
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success &= checkVia( via );
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}
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}
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success &= checkHoles();
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return success;
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}
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bool DRC_DRILLED_HOLE_TESTER::checkPad( D_PAD* aPad )
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{
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bool success = true;
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BOARD_DESIGN_SETTINGS& bds = m_board->GetDesignSettings();
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// drilled holes go all the way through, so which layer we use shouldn't matter
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PCB_LAYER_ID layer = F_Cu;
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int holeSize = std::min( aPad->GetDrillSize().x, aPad->GetDrillSize().y );
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if( holeSize == 0 )
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return true;
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if( !bds.Ignore( DRCE_TOO_SMALL_DRILL ) )
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{
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int minHole;
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const DRC_CONSTRAINT* constraint = GetConstraint( aPad, nullptr, DRC_CONSTRAINT_TYPE_HOLE_SIZE,
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layer, &m_source );
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if( constraint )
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{
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minHole = constraint->m_Value.Min();
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m_source = wxString::Format( _( "'%s' rule" ), m_source );
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}
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else
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{
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minHole = bds.m_MinThroughDrill;
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m_source = _( "board minimum" );
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}
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if( holeSize < minHole )
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{
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std::shared_ptr<DRC_ITEM> drcItem = DRC_ITEM::Create( DRCE_TOO_SMALL_DRILL );
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m_msg.Printf( drcItem->GetErrorText() + _( " (%s %s; actual %s)" ),
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m_source,
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MessageTextFromValue( m_units, minHole, true ),
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MessageTextFromValue( m_units, holeSize, true ) );
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drcItem->SetErrorMessage( m_msg );
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drcItem->SetItems( aPad );
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HandleMarker( new MARKER_PCB( drcItem, aPad->GetPosition() ) );
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success = false;
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}
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}
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if( !bds.Ignore( DRCE_DRILLED_HOLES_TOO_CLOSE ) && bds.m_HoleToHoleMin != 0 )
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{
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if( aPad->GetDrillShape() == PAD_DRILL_SHAPE_CIRCLE )
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addHole( aPad->GetPosition(), aPad->GetDrillSize().x / 2, aPad );
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}
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return success;
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}
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bool DRC_DRILLED_HOLE_TESTER::checkVia( VIA* via )
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{
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bool success = true;
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BOARD_DESIGN_SETTINGS& bds = m_board->GetDesignSettings();
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// drilled holes go all the way through, so which layer we use shouldn't matter
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PCB_LAYER_ID layer = F_Cu;
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if( !bds.Ignore( DRCE_TOO_SMALL_DRILL ) )
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{
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int minHole;
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const DRC_CONSTRAINT* constraint = GetConstraint( via, nullptr, DRC_CONSTRAINT_TYPE_HOLE_SIZE,
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layer, &m_source );
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if( constraint )
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{
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minHole = constraint->m_Value.Min();
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m_source = wxString::Format( _( "'%s' rule" ), m_source );
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}
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else
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{
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minHole = bds.m_MinThroughDrill;
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m_source = _( "board minimum" );
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}
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if( via->GetDrillValue() < minHole )
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{
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std::shared_ptr<DRC_ITEM> drcItem = DRC_ITEM::Create( DRCE_TOO_SMALL_DRILL );
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m_msg.Printf( drcItem->GetErrorText() + _( " (%s %s; actual %s)" ),
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m_source,
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MessageTextFromValue( m_units, minHole, true ),
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MessageTextFromValue( m_units, via->GetDrillValue(), true ) );
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drcItem->SetErrorMessage( m_msg );
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drcItem->SetItems( via );
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HandleMarker( new MARKER_PCB( drcItem, via->GetPosition() ) );
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success = false;
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}
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}
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if( !bds.Ignore( DRCE_DRILLED_HOLES_TOO_CLOSE ) && bds.m_HoleToHoleMin != 0 )
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{
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addHole( via->GetPosition(), via->GetDrillValue() / 2, via );
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}
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return success;
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}
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bool DRC_DRILLED_HOLE_TESTER::checkMicroVia( VIA* via )
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{
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bool success = true;
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BOARD_DESIGN_SETTINGS& bds = m_board->GetDesignSettings();
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// while microvia holes don't necessarily go all the way through, they can't be different
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// sizes on different layers so we should still be safe enough using a fixed layer.
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PCB_LAYER_ID layer = F_Cu;
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if( !bds.Ignore( DRCE_TOO_SMALL_MICROVIA_DRILL ) )
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{
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int minHole;
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const DRC_CONSTRAINT* constraint = GetConstraint( via, nullptr, DRC_CONSTRAINT_TYPE_HOLE_SIZE,
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layer, &m_source );
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if( constraint )
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{
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minHole = constraint->m_Value.Min();
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m_source = wxString::Format( _( "'%s' rule" ), m_source );
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}
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else
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{
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minHole = bds.m_MicroViasMinDrill;
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m_source = _( "board minimum" );
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}
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if( via->GetDrillValue() < minHole )
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{
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std::shared_ptr<DRC_ITEM> drcItem = DRC_ITEM::Create( DRCE_TOO_SMALL_MICROVIA_DRILL );
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m_msg.Printf( drcItem->GetErrorText() + _( " (%s %s; actual %s)" ),
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m_source,
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MessageTextFromValue( m_units, minHole, true ),
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MessageTextFromValue( m_units, via->GetDrillValue(), true ) );
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drcItem->SetErrorMessage( m_msg );
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drcItem->SetItems( via );
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HandleMarker( new MARKER_PCB( drcItem, via->GetPosition() ) );
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success = false;
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}
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}
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return success;
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}
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void DRC_DRILLED_HOLE_TESTER::addHole( const wxPoint& aLocation, int aRadius, BOARD_ITEM* aOwner )
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{
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DRILLED_HOLE hole;
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hole.m_location = aLocation;
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hole.m_drillRadius = aRadius;
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hole.m_owner = aOwner;
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m_largestRadius = std::max( m_largestRadius, aRadius );
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m_holes.push_back( hole );
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}
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bool DRC_DRILLED_HOLE_TESTER::checkHoles()
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{
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bool success = true;
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BOARD_DESIGN_SETTINGS& bds = m_board->GetDesignSettings();
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// No need to check if we're ignoring DRCE_DRILLED_HOLES_TOO_CLOSE; if we are then we
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// won't have collected any holes to test.
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// Sort holes by X for performance. In the nested iteration we then need to look at
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// following holes only while they are within the refHole's neighborhood as defined by
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// the refHole radius + the minimum hole-to-hole clearance + the largest radius any of
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// the following holes can have.
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std::sort( m_holes.begin(), m_holes.end(),
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[]( const DRILLED_HOLE& a, const DRILLED_HOLE& b )
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{
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if( a.m_location.x == b.m_location.x )
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return a.m_location.y < b.m_location.y;
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else
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return a.m_location.x < b.m_location.x;
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} );
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for( size_t ii = 0; ii < m_holes.size(); ++ii )
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{
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const DRILLED_HOLE& refHole = m_holes[ ii ];
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int neighborhood = refHole.m_drillRadius + bds.m_HoleToHoleMin + m_largestRadius;
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for( size_t jj = ii + 1; jj < m_holes.size(); ++jj )
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{
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const DRILLED_HOLE& checkHole = m_holes[ jj ];
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if( refHole.m_location.x + neighborhood < checkHole.m_location.x )
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break;
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// Holes with identical locations are allowable
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if( checkHole.m_location == refHole.m_location )
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continue;
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int actual = KiROUND( GetLineLength( checkHole.m_location, refHole.m_location ) );
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actual = std::max( 0, actual - checkHole.m_drillRadius - refHole.m_drillRadius );
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if( actual < bds.m_HoleToHoleMin )
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{
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std::shared_ptr<DRC_ITEM> drcItem = DRC_ITEM::Create( DRCE_DRILLED_HOLES_TOO_CLOSE );
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m_msg.Printf( drcItem->GetErrorText() + _( " (board minimum %s; actual %s)" ),
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MessageTextFromValue( m_units, bds.m_HoleToHoleMin, true ),
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MessageTextFromValue( m_units, actual, true ) );
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drcItem->SetErrorMessage( m_msg );
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drcItem->SetItems( refHole.m_owner, checkHole.m_owner );
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HandleMarker( new MARKER_PCB( drcItem, refHole.m_location ) );
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success = false;
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}
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}
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}
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return success;
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}
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