pcb_shape.cpp

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/*
 * This program source code file is part of KiCad, a free EDA CAD application.
 *
 * Copyright (C) 2018 Jean-Pierre Charras, jp.charras at wanadoo.fr
 * Copyright (C) 2012 SoftPLC Corporation, Dick Hollenbeck <[email protected]>
 * Copyright (C) 2011 Wayne Stambaugh <[email protected]>
 * Copyright (C) 1992-2023 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 <google/protobuf/any.pb.h>
#include <magic_enum.hpp>
 
#include <bitmaps.h>
#include <core/mirror.h>
#include <macros.h>
#include <pcb_edit_frame.h>
#include <board_design_settings.h>
#include <board.h>
#include <footprint.h>
#include <lset.h>
#include <pad.h>
#include <base_units.h>
#include <geometry/shape_compound.h>
#include <pcb_shape.h>
#include <pcb_painter.h>
#include <api/board/board_types.pb.h>
#include <api/api_enums.h>
#include <api/api_utils.h>
 
 
PCB_SHAPE::PCB_SHAPE( BOARD_ITEM* aParent, KICAD_T aItemType, SHAPE_T aShapeType ) :
 BOARD_CONNECTED_ITEM( aParent, aItemType ),
 EDA_SHAPE( aShapeType, pcbIUScale.mmToIU( DEFAULT_LINE_WIDTH ), FILL_T::NO_FILL )
{
}
 
 
PCB_SHAPE::PCB_SHAPE( BOARD_ITEM* aParent, SHAPE_T shapetype ) :
 BOARD_CONNECTED_ITEM( aParent, PCB_SHAPE_T ),
 EDA_SHAPE( shapetype, pcbIUScale.mmToIU( DEFAULT_LINE_WIDTH ), FILL_T::NO_FILL )
{
}
 
 
PCB_SHAPE::~PCB_SHAPE()
{
}
 
 
void PCB_SHAPE::Serialize( google::protobuf::Any &aContainer ) const
{
 kiapi::board::types::GraphicShape msg;
 
 msg.mutable_id()->set_value( m_Uuid.AsStdString() );
 msg.set_layer( ToProtoEnum<PCB_LAYER_ID, kiapi::board::types::BoardLayer>( GetLayer() ) );
 msg.set_locked( IsLocked() ? kiapi::common::types::LockedState::LS_LOCKED
 : kiapi::common::types::LockedState::LS_UNLOCKED );
 msg.mutable_net()->mutable_code()->set_value( GetNetCode() );
 msg.mutable_net()->set_name( GetNetname() );
 
 kiapi::common::types::StrokeAttributes* stroke
 = msg.mutable_attributes()->mutable_stroke();
 kiapi::common::types::GraphicFillAttributes* fill = msg.mutable_attributes()->mutable_fill();
 
 stroke->mutable_width()->set_value_nm( GetWidth() );
 
 switch( GetLineStyle() )
 {
 case LINE_STYLE::DEFAULT: stroke->set_style( kiapi::common::types::SLS_DEFAULT ); break;
 case LINE_STYLE::SOLID: stroke->set_style( kiapi::common::types::SLS_SOLID ); break;
 case LINE_STYLE::DASH: stroke->set_style( kiapi::common::types::SLS_DASH ); break;
 case LINE_STYLE::DOT: stroke->set_style( kiapi::common::types::SLS_DOT ); break;
 case LINE_STYLE::DASHDOT: stroke->set_style( kiapi::common::types::SLS_DASHDOT ); break;
 case LINE_STYLE::DASHDOTDOT: stroke->set_style( kiapi::common::types::SLS_DASHDOTDOT ); break;
 default: break;
 }
 
 switch( GetFillMode() )
 {
 case FILL_T::FILLED_SHAPE: fill->set_fill_type( kiapi::common::types::GFT_FILLED ); break;
 default: fill->set_fill_type( kiapi::common::types::GFT_UNFILLED ); break;
 }
 
 switch( GetShape() )
 {
 case SHAPE_T::SEGMENT:
 {
 kiapi::board::types::GraphicSegmentAttributes* segment = msg.mutable_segment();
 kiapi::common::PackVector2( *segment->mutable_start(), GetStart() );
 kiapi::common::PackVector2( *segment->mutable_end(), GetEnd() );
 break;
 }
 
 case SHAPE_T::RECTANGLE:
 {
 kiapi::board::types::GraphicRectangleAttributes* rectangle = msg.mutable_rectangle();
 kiapi::common::PackVector2( *rectangle->mutable_top_left(), GetStart() );
 kiapi::common::PackVector2( *rectangle->mutable_bottom_right(), GetEnd() );
 break;
 }
 
 case SHAPE_T::ARC:
 {
 kiapi::board::types::GraphicArcAttributes* arc = msg.mutable_arc();
 kiapi::common::PackVector2( *arc->mutable_start(), GetStart() );
 kiapi::common::PackVector2( *arc->mutable_mid(), GetArcMid() );
 kiapi::common::PackVector2( *arc->mutable_end(), GetEnd() );
 break;
 }
 
 case SHAPE_T::CIRCLE:
 {
 kiapi::board::types::GraphicCircleAttributes* circle = msg.mutable_circle();
 kiapi::common::PackVector2( *circle->mutable_center(), GetStart() );
 kiapi::common::PackVector2( *circle->mutable_radius_point(), GetEnd() );
 break;
 }
 
 case SHAPE_T::POLY:
 {
 kiapi::common::types::PolySet* polyset = msg.mutable_polygon();
 
 for( int idx = 0; idx < GetPolyShape().OutlineCount(); ++idx )
 {
 const SHAPE_POLY_SET::POLYGON& poly = GetPolyShape().Polygon( idx );
 
 if( poly.empty() )
 continue;
 
 kiapi::common::types::PolygonWithHoles* polyMsg = polyset->mutable_polygons()->Add();
 kiapi::common::PackPolyLine( *polyMsg->mutable_outline(), poly.front() );
 
 if( poly.size() > 1 )
 {
 for( size_t hole = 1; hole < poly.size(); ++hole )
 {
 kiapi::common::types::PolyLine* pl = polyMsg->mutable_holes()->Add();
 kiapi::common::PackPolyLine( *pl, poly[hole] );
 }
 }
 }
 break;
 }
 
 case SHAPE_T::BEZIER:
 {
 kiapi::board::types::GraphicBezierAttributes* bezier = msg.mutable_bezier();
 kiapi::common::PackVector2( *bezier->mutable_start(), GetStart() );
 kiapi::common::PackVector2( *bezier->mutable_control1(), GetBezierC1() );
 kiapi::common::PackVector2( *bezier->mutable_control2(), GetBezierC2() );
 kiapi::common::PackVector2( *bezier->mutable_end(), GetEnd() );
 break;
 }
 
 default:
 wxASSERT_MSG( false, "Unhandled shape in PCB_SHAPE::Serialize" );
 }
 
 aContainer.PackFrom( msg );
}
 
 
bool PCB_SHAPE::Deserialize( const google::protobuf::Any &aContainer )
{
 kiapi::board::types::GraphicShape msg;
 
 if( !aContainer.UnpackTo( &msg ) )
 return false;
 
 // Initialize everything to a known state that doesn't get touched by every
 // codepath below, to make sure the equality operator is consistent
 m_start = {};
 m_end = {};
 m_arcCenter = {};
 m_arcMidData = {};
 m_bezierC1 = {};
 m_bezierC2 = {};
 m_editState = 0;
 m_proxyItem = false;
 m_endsSwapped = false;
 
 const_cast<KIID&>( m_Uuid ) = KIID( msg.id().value() );
 SetLocked( msg.locked() == kiapi::common::types::LS_LOCKED );
 SetLayer( FromProtoEnum<PCB_LAYER_ID, kiapi::board::types::BoardLayer>( msg.layer() ) );
 SetNetCode( msg.net().code().value() );
 
 SetFilled( msg.attributes().fill().fill_type() == kiapi::common::types::GFT_FILLED );
 SetWidth( msg.attributes().stroke().width().value_nm() );
 
 switch( msg.attributes().stroke().style() )
 {
 case kiapi::common::types::SLS_DEFAULT: SetLineStyle( LINE_STYLE::DEFAULT ); break;
 case kiapi::common::types::SLS_SOLID: SetLineStyle( LINE_STYLE::SOLID ); break;
 case kiapi::common::types::SLS_DASH: SetLineStyle( LINE_STYLE::DASH ); break;
 case kiapi::common::types::SLS_DOT: SetLineStyle( LINE_STYLE::DOT ); break;
 case kiapi::common::types::SLS_DASHDOT: SetLineStyle( LINE_STYLE::DASHDOT ); break;
 case kiapi::common::types::SLS_DASHDOTDOT: SetLineStyle( LINE_STYLE::DASHDOTDOT ); break;
 default: break;
 }
 
 if( msg.has_segment() )
 {
 SetShape( SHAPE_T::SEGMENT );
 SetStart( kiapi::common::UnpackVector2( msg.segment().start() ) );
 SetEnd( kiapi::common::UnpackVector2( msg.segment().end() ) );
 }
 else if( msg.has_rectangle() )
 {
 SetShape( SHAPE_T::RECTANGLE );
 SetStart( kiapi::common::UnpackVector2( msg.rectangle().top_left() ) );
 SetEnd( kiapi::common::UnpackVector2( msg.rectangle().bottom_right() ) );
 }
 else if( msg.has_arc() )
 {
 SetShape( SHAPE_T::ARC );
 SetArcGeometry( kiapi::common::UnpackVector2( msg.arc().start() ),
 kiapi::common::UnpackVector2( msg.arc().mid() ),
 kiapi::common::UnpackVector2( msg.arc().end() ) );
 }
 else if( msg.has_circle() )
 {
 SetShape( SHAPE_T::CIRCLE );
 SetStart( kiapi::common::UnpackVector2( msg.circle().center() ) );
 SetEnd( kiapi::common::UnpackVector2( msg.circle().radius_point() ) );
 }
 else if( msg.has_polygon() )
 {
 SetShape( SHAPE_T::POLY );
 const auto& polyMsg = msg.polygon().polygons();
 
 SHAPE_POLY_SET sps;
 
 for( const kiapi::common::types::PolygonWithHoles& polygonWithHoles : polyMsg )
 {
 SHAPE_POLY_SET::POLYGON polygon;
 
 polygon.emplace_back( kiapi::common::UnpackPolyLine( polygonWithHoles.outline() ) );
 
 for( const kiapi::common::types::PolyLine& holeMsg : polygonWithHoles.holes() )
 polygon.emplace_back( kiapi::common::UnpackPolyLine( holeMsg ) );
 
 sps.AddPolygon( polygon );
 }
 
 SetPolyShape( sps );
 }
 else if( msg.has_bezier() )
 {
 SetShape( SHAPE_T::BEZIER );
 SetStart( kiapi::common::UnpackVector2( msg.bezier().start() ) );
 SetBezierC1( kiapi::common::UnpackVector2( msg.bezier().control1() ) );
 SetBezierC2( kiapi::common::UnpackVector2( msg.bezier().control2() ) );
 SetEnd( kiapi::common::UnpackVector2( msg.bezier().end() ) );
 RebuildBezierToSegmentsPointsList( ARC_HIGH_DEF );
 }
 
 return true;
}
 
 
bool PCB_SHAPE::IsType( const std::vector<KICAD_T>& aScanTypes ) const
{
 if( BOARD_ITEM::IsType( aScanTypes ) )
 return true;
 
 bool sametype = false;
 
 for( KICAD_T scanType : aScanTypes )
 {
 if( scanType == PCB_LOCATE_BOARD_EDGE_T )
 sametype = m_layer == Edge_Cuts;
 else if( scanType == PCB_SHAPE_LOCATE_ARC_T )
 sametype = m_shape == SHAPE_T::ARC;
 else if( scanType == PCB_SHAPE_LOCATE_CIRCLE_T )
 sametype = m_shape == SHAPE_T::CIRCLE;
 else if( scanType == PCB_SHAPE_LOCATE_RECT_T )
 sametype = m_shape == SHAPE_T::RECTANGLE;
 else if( scanType == PCB_SHAPE_LOCATE_SEGMENT_T )
 sametype = m_shape == SHAPE_T::SEGMENT;
 else if( scanType == PCB_SHAPE_LOCATE_POLY_T )
 sametype = m_shape == SHAPE_T::POLY;
 else if( scanType == PCB_SHAPE_LOCATE_BEZIER_T )
 sametype = m_shape == SHAPE_T::BEZIER;
 
 if( sametype )
 return true;
 }
 
 return false;
}
 
 
bool PCB_SHAPE::IsConnected() const
{
 // Only board-level copper shapes are connectable
 return IsOnCopperLayer() && !GetParentFootprint();
}
 
 
void PCB_SHAPE::SetLayer( PCB_LAYER_ID aLayer )
{
 BOARD_ITEM::SetLayer( aLayer );
 
 if( !IsOnCopperLayer() )
 SetNetCode( -1 );
}
 
 
std::vector<VECTOR2I> PCB_SHAPE::GetConnectionPoints() const
{
 std::vector<VECTOR2I> ret;
 
 // For filled shapes, we may as well use a centroid
 if( IsFilled() )
 {
 ret.emplace_back( GetCenter() );
 return ret;
 }
 
 switch( m_shape )
 {
 case SHAPE_T::ARC:
 ret.emplace_back( GetArcMid() );
 KI_FALLTHROUGH;
 
 case SHAPE_T::SEGMENT:
 case SHAPE_T::BEZIER:
 ret.emplace_back( GetStart() );
 ret.emplace_back( GetEnd() );
 break;
 
 case SHAPE_T::POLY:
 for( auto iter = GetPolyShape().CIterate(); iter; ++iter )
 ret.emplace_back( *iter );
 
 break;
 
 case SHAPE_T::RECTANGLE:
 for( const VECTOR2I& pt : GetRectCorners() )
 ret.emplace_back( pt );
 
 break;
 
 default:
 break;
 }
 
 return ret;
}
 
 
int PCB_SHAPE::GetWidth() const
{
 // A stroke width of 0 in PCBNew means no-border, but negative stroke-widths are only used
 // in EEschema (see SCH_SHAPE::GetPenWidth()).
 // Since negative stroke widths can trip up down-stream code (such as the Gerber plotter), we
 // weed them out here.
 return std::max( EDA_SHAPE::GetWidth(), 0 );
}
 
 
void PCB_SHAPE::StyleFromSettings( const BOARD_DESIGN_SETTINGS& settings )
{
 m_stroke.SetWidth( settings.GetLineThickness( GetLayer() ) );
}
 
 
const VECTOR2I PCB_SHAPE::GetFocusPosition() const
{
 // For some shapes return the visual center, but for not filled polygonal shapes,
 // the center is usually far from the shape: a point on the outline is better
 
 switch( m_shape )
 {
 case SHAPE_T::CIRCLE:
 if( !IsFilled() )
 return VECTOR2I( GetCenter().x + GetRadius(), GetCenter().y );
 else
 return GetCenter();
 
 case SHAPE_T::RECTANGLE:
 if( !IsFilled() )
 return GetStart();
 else
 return GetCenter();
 
 case SHAPE_T::POLY:
 if( !IsFilled() )
 {
 VECTOR2I pos = GetPolyShape().Outline(0).CPoint(0);
 return VECTOR2I( pos.x, pos.y );
 }
 else
 {
 return GetCenter();
 }
 
 case SHAPE_T::ARC:
 return GetArcMid();
 
 case SHAPE_T::BEZIER:
 return GetStart();
 
 default:
 return GetCenter();
 }
}
 
 
std::vector<VECTOR2I> PCB_SHAPE::GetCorners() const
{
 std::vector<VECTOR2I> pts;
 
 if( GetShape() == SHAPE_T::RECTANGLE )
 {
 pts = GetRectCorners();
 }
 else if( GetShape() == SHAPE_T::POLY )
 {
 for( int ii = 0; ii < GetPolyShape().OutlineCount(); ++ii )
 {
 for( const VECTOR2I& pt : GetPolyShape().Outline( ii ).CPoints() )
 pts.emplace_back( pt );
 }
 }
 else
 {
 UNIMPLEMENTED_FOR( SHAPE_T_asString() );
 }
 
 while( pts.size() < 4 )
 pts.emplace_back( pts.back() + VECTOR2I( 10, 10 ) );
 
 return pts;
}
 
 
void PCB_SHAPE::Move( const VECTOR2I& aMoveVector )
{
 move( aMoveVector );
}
 
 
void PCB_SHAPE::Scale( double aScale )
{
 scale( aScale );
}
 
 
void PCB_SHAPE::Normalize()
{
 if( m_shape == SHAPE_T::SEGMENT )
 {
 // we want start point the top left point and end point the bottom right
 // (more easy to compare 2 segments: we are seeing them as equivalent if
 // they have the same end points, not necessary the same order)
 VECTOR2I start = GetStart();
 VECTOR2I end = GetEnd();
 
 if( ( start.x > end.x )
 || ( start.x == end.x && start.y < end.y ) )
 {
 SetStart( end );
 SetEnd( start );
 }
 }
 else if( m_shape == SHAPE_T::RECTANGLE )
 {
 VECTOR2I start = GetStart();
 VECTOR2I end = GetEnd();
 
 BOX2I rect( start, end - start );
 rect.Normalize();
 
 SetStart( rect.GetPosition() );
 SetEnd( rect.GetEnd() );
 }
 else if( m_shape == SHAPE_T::POLY )
 {
 auto horizontal =
 []( const SEG& seg )
 {
 return seg.A.y == seg.B.y;
 };
 
 auto vertical =
 []( const SEG& seg )
 {
 return seg.A.x == seg.B.x;
 };
 
 // Convert a poly back to a rectangle if appropriate
 if( m_poly.OutlineCount() == 1 && m_poly.Outline( 0 ).SegmentCount() == 4 )
 {
 SHAPE_LINE_CHAIN& outline = m_poly.Outline( 0 );
 
 if( horizontal( outline.Segment( 0 ) )
 && vertical( outline.Segment( 1 ) )
 && horizontal( outline.Segment( 2 ) )
 && vertical( outline.Segment( 3 ) ) )
 {
 m_shape = SHAPE_T::RECTANGLE;
 m_start.x = std::min( outline.Segment( 0 ).A.x, outline.Segment( 0 ).B.x );
 m_start.y = std::min( outline.Segment( 1 ).A.y, outline.Segment( 1 ).B.y );
 m_end.x = std::max( outline.Segment( 0 ).A.x, outline.Segment( 0 ).B.x );
 m_end.y = std::max( outline.Segment( 1 ).A.y, outline.Segment( 1 ).B.y );
 }
 else if( vertical( outline.Segment( 0 ) )
 && horizontal( outline.Segment( 1 ) )
 && vertical( outline.Segment( 2 ) )
 && horizontal( outline.Segment( 3 ) ) )
 {
 m_shape = SHAPE_T::RECTANGLE;
 m_start.x = std::min( outline.Segment( 1 ).A.x, outline.Segment( 1 ).B.x );
 m_start.y = std::min( outline.Segment( 0 ).A.y, outline.Segment( 0 ).B.y );
 m_end.x = std::max( outline.Segment( 1 ).A.x, outline.Segment( 1 ).B.x );
 m_end.y = std::max( outline.Segment( 0 ).A.y, outline.Segment( 0 ).B.y );
 }
 }
 }
}
 
 
void PCB_SHAPE::Rotate( const VECTOR2I& aRotCentre, const EDA_ANGLE& aAngle )
{
 rotate( aRotCentre, aAngle );
}
 
 
void PCB_SHAPE::Flip( const VECTOR2I& aCentre, bool aFlipLeftRight )
{
 flip( aCentre, aFlipLeftRight );
 
 SetLayer( GetBoard()->FlipLayer( GetLayer() ) );
}
 
 
void PCB_SHAPE::Mirror( const VECTOR2I& aCentre, bool aMirrorAroundXAxis )
{
 // Mirror an edge of the footprint. the layer is not modified
 // This is a footprint shape modification.
 
 switch( GetShape() )
 {
 case SHAPE_T::ARC:
 case SHAPE_T::SEGMENT:
 case SHAPE_T::RECTANGLE:
 case SHAPE_T::CIRCLE:
 case SHAPE_T::BEZIER:
 if( aMirrorAroundXAxis )
 {
 MIRROR( m_start.y, aCentre.y );
 MIRROR( m_end.y, aCentre.y );
 MIRROR( m_arcCenter.y, aCentre.y );
 MIRROR( m_bezierC1.y, aCentre.y );
 MIRROR( m_bezierC2.y, aCentre.y );
 }
 else
 {
 MIRROR( m_start.x, aCentre.x );
 MIRROR( m_end.x, aCentre.x );
 MIRROR( m_arcCenter.x, aCentre.x );
 MIRROR( m_bezierC1.x, aCentre.x );
 MIRROR( m_bezierC2.x, aCentre.x );
 }
 
 if( GetShape() == SHAPE_T::ARC )
 std::swap( m_start, m_end );
 
 if( GetShape() == SHAPE_T::BEZIER )
 RebuildBezierToSegmentsPointsList( ARC_HIGH_DEF );
 
 break;
 
 case SHAPE_T::POLY:
 m_poly.Mirror( !aMirrorAroundXAxis, aMirrorAroundXAxis, aCentre );
 break;
 
 default:
 UNIMPLEMENTED_FOR( SHAPE_T_asString() );
 }
}
 
 
void PCB_SHAPE::SetIsProxyItem( bool aIsProxy )
{
 PAD* parentPad = nullptr;
 
 if( GetBoard() && GetBoard()->IsFootprintHolder() )
 {
 for( FOOTPRINT* fp : GetBoard()->Footprints() )
 {
 for( PAD* pad : fp->Pads() )
 {
 if( pad->IsEntered() )
 {
 parentPad = pad;
 break;
 }
 }
 }
 }
 
 if( aIsProxy && !m_proxyItem )
 {
 if( GetShape() == SHAPE_T::SEGMENT )
 {
 if( parentPad && parentPad->GetThermalSpokeWidth() )
 SetWidth( parentPad->GetThermalSpokeWidth() );
 else
 SetWidth( pcbIUScale.mmToIU( ZONE_THERMAL_RELIEF_COPPER_WIDTH_MM ) );
 }
 else
 {
 SetWidth( 1 );
 }
 }
 else if( m_proxyItem && !aIsProxy )
 {
 SetWidth( pcbIUScale.mmToIU( DEFAULT_LINE_WIDTH ) );
 }
 
 m_proxyItem = aIsProxy;
}
 
 
double PCB_SHAPE::ViewGetLOD( int aLayer, KIGFX::VIEW* aView ) const
{
 constexpr double HIDE = std::numeric_limits<double>::max();
 constexpr double SHOW = 0.0;
 
 KIGFX::PCB_PAINTER* painter = static_cast<KIGFX::PCB_PAINTER*>( aView->GetPainter() );
 KIGFX::PCB_RENDER_SETTINGS* renderSettings = painter->GetSettings();
 
 if( aLayer == LAYER_LOCKED_ITEM_SHADOW )
 {
 // Hide shadow if the main layer is not shown
 if( !aView->IsLayerVisible( m_layer ) )
 return HIDE;
 
 // Hide shadow on dimmed tracks
 if( renderSettings->GetHighContrast() )
 {
 if( m_layer != renderSettings->GetPrimaryHighContrastLayer() )
 return HIDE;
 }
 }
 
 if( FOOTPRINT* parent = GetParentFootprint() )
 {
 if( parent->GetLayer() == F_Cu && !aView->IsLayerVisible( LAYER_FOOTPRINTS_FR ) )
 return HIDE;
 
 if( parent->GetLayer() == B_Cu && !aView->IsLayerVisible( LAYER_FOOTPRINTS_BK ) )
 return HIDE;
 }
 
 return SHOW;
}
 
 
void PCB_SHAPE::ViewGetLayers( int aLayers[], int& aCount ) const
{
 aLayers[0] = GetLayer();
 
 if( IsOnCopperLayer() )
 {
 aLayers[1] = GetNetnameLayer( aLayers[0] );
 aCount = 2;
 }
 else
 {
 aCount = 1;
 }
 
 if( IsLocked() )
 aLayers[ aCount++ ] = LAYER_LOCKED_ITEM_SHADOW;
}
 
 
void PCB_SHAPE::GetMsgPanelInfo( EDA_DRAW_FRAME* aFrame, std::vector<MSG_PANEL_ITEM>& aList )
{
 if( aFrame->GetName() == PCB_EDIT_FRAME_NAME )
 {
 if( FOOTPRINT* parent = GetParentFootprint() )
 aList.emplace_back( _( "Footprint" ), parent->GetReference() );
 }
 
 aList.emplace_back( _( "Type" ), _( "Drawing" ) );
 
 if( aFrame->GetName() == PCB_EDIT_FRAME_NAME && IsLocked() )
 aList.emplace_back( _( "Status" ), _( "Locked" ) );
 
 ShapeGetMsgPanelInfo( aFrame, aList );
 
 aList.emplace_back( _( "Layer" ), GetLayerName() );
}
 
 
wxString PCB_SHAPE::GetItemDescription( UNITS_PROVIDER* aUnitsProvider, bool aFull ) const
{
 FOOTPRINT* parentFP = nullptr;
 
 if( EDA_DRAW_FRAME* frame = dynamic_cast<EDA_DRAW_FRAME*>( aUnitsProvider ) )
 {
 if( frame->GetName() == PCB_EDIT_FRAME_NAME )
 parentFP = GetParentFootprint();
 }
 
 if( IsOnCopperLayer() )
 {
 if( parentFP )
 {
 return wxString::Format( _( "%s %s of %s on %s" ),
 GetFriendlyName(),
 GetNetnameMsg(),
 parentFP->GetReference(),
 GetLayerName() );
 }
 else
 {
 return wxString::Format( _( "%s %s on %s" ),
 GetFriendlyName(),
 GetNetnameMsg(),
 GetLayerName() );
 }
 }
 else
 {
 if( parentFP )
 {
 return wxString::Format( _( "%s of %s on %s" ),
 GetFriendlyName(),
 parentFP->GetReference(),
 GetLayerName() );
 }
 else
 {
 return wxString::Format( _( "%s on %s" ),
 GetFriendlyName(),
 GetLayerName() );
 }
 }
}
 
 
BITMAPS PCB_SHAPE::GetMenuImage() const
{
 if( GetParentFootprint() )
 return BITMAPS::show_mod_edge;
 else
 return BITMAPS::add_dashed_line;
}
 
 
EDA_ITEM* PCB_SHAPE::Clone() const
{
 return new PCB_SHAPE( *this );
}
 
 
const BOX2I PCB_SHAPE::ViewBBox() const
{
 BOX2I return_box = EDA_ITEM::ViewBBox();
 
 // Inflate the bounding box by just a bit more for safety.
 return_box.Inflate( GetWidth() );
 
 return return_box;
}
 
 
std::shared_ptr<SHAPE> PCB_SHAPE::GetEffectiveShape( PCB_LAYER_ID aLayer, FLASHING aFlash ) const
{
 return std::make_shared<SHAPE_COMPOUND>( MakeEffectiveShapes() );
}
 
 
void PCB_SHAPE::swapData( BOARD_ITEM* aImage )
{
 PCB_SHAPE* image = dynamic_cast<PCB_SHAPE*>( aImage );
 wxCHECK( image, /* void */ );
 
 SwapShape( image );
 
 // Swap params not handled by SwapShape( image )
 std::swap( m_layer, image->m_layer );
 std::swap( m_isKnockout, image->m_isKnockout );
 std::swap( m_isLocked, image->m_isLocked );
 std::swap( m_flags, image->m_flags );
 std::swap( m_parent, image->m_parent );
 std::swap( m_forceVisible, image->m_forceVisible );
 std::swap( m_netinfo, image->m_netinfo );
}
 
 
bool PCB_SHAPE::cmp_drawings::operator()( const BOARD_ITEM* aFirst,
 const BOARD_ITEM* aSecond ) const
{
 if( aFirst->Type() != aSecond->Type() )
 return aFirst->Type() < aSecond->Type();
 
 if( aFirst->GetLayer() != aSecond->GetLayer() )
 return aFirst->GetLayer() < aSecond->GetLayer();
 
 if( aFirst->Type() == PCB_SHAPE_T )
 {
 const PCB_SHAPE* dwgA = static_cast<const PCB_SHAPE*>( aFirst );
 const PCB_SHAPE* dwgB = static_cast<const PCB_SHAPE*>( aSecond );
 
 if( dwgA->GetShape() != dwgB->GetShape() )
 return dwgA->GetShape() < dwgB->GetShape();
 }
 
 return aFirst->m_Uuid < aSecond->m_Uuid;
}
 
 
void PCB_SHAPE::TransformShapeToPolygon( SHAPE_POLY_SET& aBuffer, PCB_LAYER_ID aLayer,
 int aClearance, int aError, ERROR_LOC aErrorLoc,
 bool ignoreLineWidth ) const
{
 EDA_SHAPE::TransformShapeToPolygon( aBuffer, aClearance, aError, aErrorLoc, ignoreLineWidth );
}
 
 
bool PCB_SHAPE::operator==( const BOARD_ITEM& aOther ) const
{
 if( aOther.Type() != Type() )
 return false;
 
 const PCB_SHAPE& other = static_cast<const PCB_SHAPE&>( aOther );
 
 return *this == other;
}
 
 
bool PCB_SHAPE::operator==( const PCB_SHAPE& aOther ) const
{
 if( aOther.Type() != Type() )
 return false;
 
 const PCB_SHAPE& other = static_cast<const PCB_SHAPE&>( aOther );
 
 if( m_layer != other.m_layer )
 return false;
 
 if( m_isKnockout != other.m_isKnockout )
 return false;
 
 if( m_isLocked != other.m_isLocked )
 return false;
 
 if( m_flags != other.m_flags )
 return false;
 
 if( m_forceVisible != other.m_forceVisible )
 return false;
 
 if( m_netinfo->GetNetCode() != other.m_netinfo->GetNetCode() )
 return false;
 
 return EDA_SHAPE::operator==( other );
}
 
 
double PCB_SHAPE::Similarity( const BOARD_ITEM& aOther ) const
{
 if( aOther.Type() != Type() )
 return 0.0;
 
 const PCB_SHAPE& other = static_cast<const PCB_SHAPE&>( aOther );
 
 double similarity = 1.0;
 
 if( GetLayer() != other.GetLayer() )
 similarity *= 0.9;
 
 if( m_isKnockout != other.m_isKnockout )
 similarity *= 0.9;
 
 if( m_isLocked != other.m_isLocked )
 similarity *= 0.9;
 
 if( m_flags != other.m_flags )
 similarity *= 0.9;
 
 if( m_forceVisible != other.m_forceVisible )
 similarity *= 0.9;
 
 if( m_netinfo->GetNetCode() != other.m_netinfo->GetNetCode() )
 similarity *= 0.9;
 
 similarity *= EDA_SHAPE::Similarity( other );
 
 return similarity;
}
 
 
static struct PCB_SHAPE_DESC
{
 PCB_SHAPE_DESC()
 {
 PROPERTY_MANAGER& propMgr = PROPERTY_MANAGER::Instance();
 REGISTER_TYPE( PCB_SHAPE );
 propMgr.AddTypeCast( new TYPE_CAST<PCB_SHAPE, BOARD_CONNECTED_ITEM> );
 propMgr.AddTypeCast( new TYPE_CAST<PCB_SHAPE, EDA_SHAPE> );
 propMgr.InheritsAfter( TYPE_HASH( PCB_SHAPE ), TYPE_HASH( BOARD_CONNECTED_ITEM ) );
 propMgr.InheritsAfter( TYPE_HASH( PCB_SHAPE ), TYPE_HASH( EDA_SHAPE ) );
 
 // Need to initialise enum_map before we can use a Property enum for it
 ENUM_MAP<PCB_LAYER_ID>& layerEnum = ENUM_MAP<PCB_LAYER_ID>::Instance();
 
 if( layerEnum.Choices().GetCount() == 0 )
 {
 layerEnum.Undefined( UNDEFINED_LAYER );
 
 for( PCB_LAYER_ID layer : LSET::AllLayersMask().Seq() )
 layerEnum.Map( layer, LSET::Name( layer ) );
 }
 
 void ( PCB_SHAPE::*shapeLayerSetter )( PCB_LAYER_ID ) = &PCB_SHAPE::SetLayer;
 PCB_LAYER_ID ( PCB_SHAPE::*shapeLayerGetter )() const = &PCB_SHAPE::GetLayer;
 
 auto layerProperty = new PROPERTY_ENUM<PCB_SHAPE, PCB_LAYER_ID>(
 _HKI( "Layer" ), shapeLayerSetter, shapeLayerGetter );
 
 propMgr.ReplaceProperty( TYPE_HASH( BOARD_CONNECTED_ITEM ), _HKI( "Layer" ), layerProperty );
 
 // Only polygons have meaningful Position properties.
 // On other shapes, these are duplicates of the Start properties.
 auto isPolygon =
 []( INSPECTABLE* aItem ) -> bool
 {
 if( PCB_SHAPE* shape = dynamic_cast<PCB_SHAPE*>( aItem ) )
 return shape->GetShape() == SHAPE_T::POLY;
 
 return false;
 };
 
 propMgr.OverrideAvailability( TYPE_HASH( PCB_SHAPE ), TYPE_HASH( BOARD_ITEM ),
 _HKI( "Position X" ), isPolygon );
 propMgr.OverrideAvailability( TYPE_HASH( PCB_SHAPE ), TYPE_HASH( BOARD_ITEM ),
 _HKI( "Position Y" ), isPolygon );
 
 propMgr.Mask( TYPE_HASH( PCB_SHAPE ), TYPE_HASH( EDA_SHAPE ), _HKI( "Line Color" ) );
 propMgr.Mask( TYPE_HASH( PCB_SHAPE ), TYPE_HASH( EDA_SHAPE ), _HKI( "Fill Color" ) );
 
 auto isCopper =
 []( INSPECTABLE* aItem ) -> bool
 {
 if( PCB_SHAPE* shape = dynamic_cast<PCB_SHAPE*>( aItem ) )
 return shape->IsOnCopperLayer();
 
 return false;
 };
 
 propMgr.OverrideAvailability( TYPE_HASH( PCB_SHAPE ), TYPE_HASH( BOARD_CONNECTED_ITEM ),
 _HKI( "Net" ), isCopper );
 
 auto isPadEditMode =
 []( BOARD* aBoard ) -> bool
 {
 if( aBoard && aBoard->IsFootprintHolder() )
 {
 for( FOOTPRINT* fp : aBoard->Footprints() )
 {
 for( PAD* pad : fp->Pads() )
 {
 if( pad->IsEntered() )
 return true;
 }
 }
 }
 
 return false;
 };
 
 auto showNumberBoxProperty =
 [&]( INSPECTABLE* aItem ) -> bool
 {
 if( PCB_SHAPE* shape = dynamic_cast<PCB_SHAPE*>( aItem ) )
 {
 if( shape->GetShape() == SHAPE_T::RECTANGLE )
 return isPadEditMode( shape->GetBoard() );
 }
 
 return false;
 };
 
 auto showSpokeTemplateProperty =
 [&]( INSPECTABLE* aItem ) -> bool
 {
 if( PCB_SHAPE* shape = dynamic_cast<PCB_SHAPE*>( aItem ) )
 {
 if( shape->GetShape() == SHAPE_T::SEGMENT )
 return isPadEditMode( shape->GetBoard() );
 }
 
 return false;
 };
 
 const wxString groupPadPrimitives = _HKI( "Pad Primitives" );
 
 propMgr.AddProperty( new PROPERTY<PCB_SHAPE, bool>( _HKI( "Number Box" ),
 &PCB_SHAPE::SetIsProxyItem,
 &PCB_SHAPE::IsProxyItem ),
 groupPadPrimitives )
 .SetAvailableFunc( showNumberBoxProperty )
 .SetIsHiddenFromRulesEditor();
 
 propMgr.AddProperty( new PROPERTY<PCB_SHAPE, bool>( _HKI( "Thermal Spoke Template" ),
 &PCB_SHAPE::SetIsProxyItem,
 &PCB_SHAPE::IsProxyItem ),
 groupPadPrimitives )
 .SetAvailableFunc( showSpokeTemplateProperty )
 .SetIsHiddenFromRulesEditor();
 }
} _PCB_SHAPE_DESC;