kicad/pcbnew/router/pns_hole.cpp

140 lines
3.7 KiB
C++

/*
* KiRouter - a push-and-(sometimes-)shove PCB router
*
* Copyright (C) 2022-2023 KiCad Developers, see AUTHORS.txt for contributors.
*
* @author Tomasz Wlostowski <tomasz.wlostowski@cern.ch>
*
* 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 3 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, see <http://www.gnu.org/licenses/>.
*/
#include "pns_item.h"
#include "pns_hole.h"
#include "pns_node.h"
#include "pns_utils.h"
#include <geometry/shape_circle.h>
#include <geometry/shape_line_chain.h>
#include <geometry/shape_compound.h>
#include <geometry/shape_poly_set.h>
namespace PNS
{
HOLE::~HOLE()
{
delete m_holeShape;
}
HOLE* HOLE::Clone() const
{
HOLE* h = new HOLE( m_holeShape->Clone() );
h->SetLayers( Layers() );
h->SetOwner( nullptr );
h->m_rank = m_rank;
h->m_marker = m_marker;
h->m_parent = m_parent;
h->m_isVirtual = m_isVirtual;
return h;
}
const SHAPE_LINE_CHAIN HOLE::Hull( int aClearance, int aWalkaroundThickness, int aLayer ) const
{
if( !m_holeShape )
return SHAPE_LINE_CHAIN();
if( m_holeShape->Type() == SH_CIRCLE )
{
auto cir = static_cast<SHAPE_CIRCLE*>( m_holeShape );
int cl = ( aClearance + aWalkaroundThickness / 2 );
int width = cir->GetRadius() * 2;
// Chamfer = width * ( 1 - sqrt(2)/2 ) for equilateral octagon
return OctagonalHull( cir->GetCenter() - VECTOR2I( width / 2, width / 2 ),
VECTOR2I( width, width ), cl,
( 2 * cl + width ) * ( 1.0 - M_SQRT1_2 ) );
}
else if( m_holeShape->Type() == SH_COMPOUND )
{
SHAPE_COMPOUND* cmpnd = static_cast<SHAPE_COMPOUND*>( m_holeShape );
if( cmpnd->Shapes().size() == 1 )
{
return BuildHullForPrimitiveShape( cmpnd->Shapes()[0], aClearance,
aWalkaroundThickness );
}
else
{
SHAPE_POLY_SET hullSet;
for( SHAPE* shape : cmpnd->Shapes() )
{
hullSet.AddOutline(
BuildHullForPrimitiveShape( shape, aClearance, aWalkaroundThickness ) );
}
hullSet.Simplify( SHAPE_POLY_SET::PM_STRICTLY_SIMPLE );
return hullSet.Outline( 0 );
}
}
else
{
return BuildHullForPrimitiveShape( m_holeShape, aClearance, aWalkaroundThickness );
}
}
int HOLE::Radius() const
{
assert( m_holeShape->Type() == SH_CIRCLE );
return static_cast<const SHAPE_CIRCLE*>( m_holeShape )->GetRadius();
}
void HOLE::SetCenter( const VECTOR2I& aCenter )
{
assert( m_holeShape->Type() == SH_CIRCLE );
static_cast<SHAPE_CIRCLE*>( m_holeShape )->SetCenter( aCenter );
}
void HOLE::SetRadius( int aRadius )
{
assert( m_holeShape->Type() == SH_CIRCLE );
static_cast<SHAPE_CIRCLE*>( m_holeShape )->SetRadius( aRadius );
}
void HOLE::Move( const VECTOR2I& delta )
{
m_holeShape->Move( delta );
}
HOLE* HOLE::MakeCircularHole( const VECTOR2I& pos, int radius, PNS_LAYER_RANGE aLayers )
{
SHAPE_CIRCLE* circle = new SHAPE_CIRCLE( pos, radius );
HOLE* hole = new HOLE( circle );
hole->SetLayers( aLayers );
return hole;
}
}; // namespace PNS