kicad/qa/drc_proto/drc_test_provider_clearance...

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/*
* This program source code file is part of KiCad, a free EDA CAD application.
*
* Copyright (C) 2019-2020 KiCad Developers, see AUTHORS.txt for contributors.
*
* 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 <class_board.h>
#include <class_drawsegment.h>
#include <class_pad.h>
#include <convert_basic_shapes_to_polygon.h>
#include <geometry/polygon_test_point_inside.h>
#include <geometry/seg.h>
#include <geometry/shape_poly_set.h>
#include <geometry/shape_rect.h>
#include <drc_proto/drc_engine.h>
#include <drc_proto/drc_test_provider_clearance_base.h>
#include <drc_proto/drc_item.h>
#include <drc_proto/drc_rule.h>
const int UI_EPSILON = Mils2iu( 5 );
wxPoint test::DRC_TEST_PROVIDER_CLEARANCE_BASE::getLocation( TRACK* aTrack, ZONE_CONTAINER* aConflictZone )
{
SHAPE_POLY_SET* conflictOutline;
PCB_LAYER_ID l = aTrack->GetLayer();
if( aConflictZone->IsFilled() )
conflictOutline = const_cast<SHAPE_POLY_SET*>( &aConflictZone->GetFilledPolysList( l ) );
else
conflictOutline = aConflictZone->Outline();
wxPoint pt1 = aTrack->GetPosition();
wxPoint pt2 = aTrack->GetEnd();
// If the mid-point is in the zone, then that's a fine place for the marker
if( conflictOutline->SquaredDistance( ( pt1 + pt2 ) / 2 ) == 0 )
return ( pt1 + pt2 ) / 2;
// Otherwise do a binary search for a "good enough" marker location
else
{
while( GetLineLength( pt1, pt2 ) > UI_EPSILON )
{
if( conflictOutline->SquaredDistance( pt1 ) < conflictOutline->SquaredDistance( pt2 ) )
pt2 = ( pt1 + pt2 ) / 2;
else
pt1 = ( pt1 + pt2 ) / 2;
}
// Once we're within UI_EPSILON pt1 and pt2 are "equivalent"
return pt1;
}
}
wxPoint test::DRC_TEST_PROVIDER_CLEARANCE_BASE::getLocation( TRACK* aTrack, const SEG& aConflictSeg )
{
wxPoint pt1 = aTrack->GetPosition();
wxPoint pt2 = aTrack->GetEnd();
// Do a binary search along the track for a "good enough" marker location
while( GetLineLength( pt1, pt2 ) > UI_EPSILON )
{
if( aConflictSeg.SquaredDistance( pt1 ) < aConflictSeg.SquaredDistance( pt2 ) )
pt2 = ( pt1 + pt2 ) / 2;
else
pt1 = ( pt1 + pt2 ) / 2;
}
// Once we're within UI_EPSILON pt1 and pt2 are "equivalent"
return pt1;
}