drc_test_provider_track_width.cpp

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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 <common.h>
#include <pcb_track.h>
#include <drc/drc_engine.h>
#include <drc/drc_item.h>
#include <drc/drc_rule.h>
#include <drc/drc_test_provider.h>


/*
 Track width test. As the name says, checks width of the tracks (including segments and arcs)
 Errors generated:
 - DRCE_TRACK_WIDTH
*/

class DRC_TEST_PROVIDER_TRACK_WIDTH : public DRC_TEST_PROVIDER
{
public:
 DRC_TEST_PROVIDER_TRACK_WIDTH()
 {
 }

 virtual ~DRC_TEST_PROVIDER_TRACK_WIDTH()
 {
 }

 virtual bool Run() override;

 virtual const wxString GetName() const override
 {
 return "width";
 };

 virtual const wxString GetDescription() const override
 {
 return "Tests track widths";
 }

 virtual std::set<DRC_CONSTRAINT_T> GetConstraintTypes() const override;

 int GetNumPhases() const override;
};


bool DRC_TEST_PROVIDER_TRACK_WIDTH::Run()
{
 const int delta = 100; // This is the number of tests between 2 calls to the progress bar

 if( m_drcEngine->IsErrorLimitExceeded( DRCE_TRACK_WIDTH ) )
 {
 reportAux( "Track width violations ignored. Tests not run." );
 return true; // continue with other tests
 }

 if( !m_drcEngine->HasRulesForConstraintType( TRACK_WIDTH_CONSTRAINT ) )
 {
 reportAux( "No track width constraints found. Tests not run." );
 return true; // continue with other tests
 }

 if( !reportPhase( _( "Checking track widths..." ) ) )
 return false; // DRC cancelled

 auto checkTrackWidth =
 [&]( BOARD_ITEM* item ) -> bool
 {
 if( m_drcEngine->IsErrorLimitExceeded( DRCE_TRACK_WIDTH ) )
 return false;

 int actual;
 wxPoint p0;

 if( PCB_ARC* arc = dyn_cast<PCB_ARC*>( item ) )
  {
 actual = arc->GetWidth();
 p0 = arc->GetStart();
 }
 else if( PCB_TRACK* trk = dyn_cast<PCB_TRACK*>( item ) )
 {
 actual = trk->GetWidth();
 p0 = ( trk->GetStart() + trk->GetEnd() ) / 2;
 }
 else
 {
 return true;
 }

 auto constraint = m_drcEngine->EvalRules( TRACK_WIDTH_CONSTRAINT, item, nullptr,
 item->GetLayer() );
 bool fail_min = false;
 bool fail_max = false;
 int constraintWidth;

 if( constraint.Value().HasMin() && actual < constraint.Value().Min() )
 {
 fail_min = true;
 constraintWidth = constraint.Value().Min();
 }

  if( constraint.Value().HasMax() && actual > constraint.Value().Max() )
 {
 fail_max = true;
 constraintWidth = constraint.Value().Max();
 }

 if( fail_min || fail_max )
 {
 std::shared_ptr<DRC_ITEM> drcItem = DRC_ITEM::Create( DRCE_TRACK_WIDTH );

 if( fail_min )
 {
 m_msg.Printf( _( "(%s min width %s; actual %s)" ),
 constraint.GetName(),
 MessageTextFromValue( userUnits(), constraintWidth ),
 MessageTextFromValue( userUnits(), actual ) );
 }
 else
 {
 m_msg.Printf( _( "(%s max width %s; actual %s)" ),
 constraint.GetName(),
 MessageTextFromValue( userUnits(), constraintWidth ),
 MessageTextFromValue( userUnits(), actual ) );
 }

 drcItem->SetErrorMessage( drcItem->GetErrorText() + wxS( " " ) + m_msg );
 drcItem->SetItems( item );
 drcItem->SetViolatingRule( constraint.GetParentRule() );

 reportViolation( drcItem, p0 );
 }

 return true;
 };

 int ii = 0;

 for( PCB_TRACK* item : m_drcEngine->GetBoard()->Tracks() )
 {
 if( !reportProgress( ii++, m_drcEngine->GetBoard()->Tracks().size(), delta ) )
 break;

 if( !checkTrackWidth( item ) )
 break;
 }

 reportRuleStatistics();

 return true;
}


int DRC_TEST_PROVIDER_TRACK_WIDTH::GetNumPhases() const
{
 return 1;
}


std::set<DRC_CONSTRAINT_T> DRC_TEST_PROVIDER_TRACK_WIDTH::GetConstraintTypes() const
{
 return { TRACK_WIDTH_CONSTRAINT };
}


namespace detail
{
static DRC_REGISTER_TEST_PROVIDER<DRC_TEST_PROVIDER_TRACK_WIDTH> dummy;
}