altium_pcb.cpp

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/*
 * This program source code file is part of KiCad, a free EDA CAD application.
 *
 * Copyright (C) 2019-2020 Thomas Pointhuber <[email protected]>
 * Copyright (C) 2021-2023 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 "altium_pcb.h"
#include "altium_parser_pcb.h"
#include "plugins/altium/altium_parser.h"
#include <plugins/altium/altium_parser_utils.h>
 
#include <board.h>
#include <board_design_settings.h>
#include <pcb_dimension.h>
#include <pad.h>
#include <pcb_shape.h>
#include <pcb_text.h>
#include <pcb_track.h>
#include <core/profile.h>
#include <string_utils.h>
#include <zone.h>
 
#include <board_stackup_manager/stackup_predefined_prms.h>
 
#include <compoundfilereader.h>
#include <convert_basic_shapes_to_polygon.h>
#include <font/outline_font.h>
#include <project.h>
#include <trigo.h>
#include <utf.h>
#include <wx/docview.h>
#include <wx/log.h>
#include <wx/mstream.h>
#include <wx/wfstream.h>
#include <wx/zstream.h>
#include <progress_reporter.h>
#include <magic_enum.hpp>
 
 
constexpr double BOLD_FACTOR = 1.75; // CSS font-weight-normal is 400; bold is 700
 
 
bool IsAltiumLayerCopper( ALTIUM_LAYER aLayer )
{
 return ( aLayer >= ALTIUM_LAYER::TOP_LAYER && aLayer <= ALTIUM_LAYER::BOTTOM_LAYER )
 || aLayer == ALTIUM_LAYER::MULTI_LAYER; // TODO: add IsAltiumLayerAPlane?
}
 
 
bool IsAltiumLayerAPlane( ALTIUM_LAYER aLayer )
{
 return aLayer >= ALTIUM_LAYER::INTERNAL_PLANE_1 && aLayer <= ALTIUM_LAYER::INTERNAL_PLANE_16;
}
 
FOOTPRINT* ALTIUM_PCB::HelperGetFootprint( uint16_t aComponent ) const
{
 if( aComponent == ALTIUM_COMPONENT_NONE || m_components.size() <= aComponent )
 {
 THROW_IO_ERROR( wxString::Format( wxT( "Component creator tries to access component id %d "
 "of %d existing components" ),
 aComponent, m_components.size() ) );
 }
 
 return m_components.at( aComponent );
}
 
 
void HelperShapeLineChainFromAltiumVertices( SHAPE_LINE_CHAIN& aLine,
 const std::vector<ALTIUM_VERTICE>& aVertices )
{
 for( const ALTIUM_VERTICE& vertex : aVertices )
 {
 if( vertex.isRound )
 {
 EDA_ANGLE angle( vertex.endangle - vertex.startangle, DEGREES_T );
 angle.Normalize();
 
 double startradiant = DEG2RAD( vertex.startangle );
 double endradiant = DEG2RAD( vertex.endangle );
 VECTOR2I arcStartOffset = VECTOR2I( KiROUND( std::cos( startradiant ) * vertex.radius ),
 -KiROUND( std::sin( startradiant ) * vertex.radius ) );
 
 VECTOR2I arcEndOffset = VECTOR2I( KiROUND( std::cos( endradiant ) * vertex.radius ),
 -KiROUND( std::sin( endradiant ) * vertex.radius ) );
 
 VECTOR2I arcStart = vertex.center + arcStartOffset;
 VECTOR2I arcEnd = vertex.center + arcEndOffset;
 
 if( GetLineLength( arcStart, vertex.position )
 < GetLineLength( arcEnd, vertex.position ) )
 {
 aLine.Append( SHAPE_ARC( vertex.center, arcStart, -angle ) );
 }
 else
 {
 aLine.Append( SHAPE_ARC( vertex.center, arcEnd, angle ) );
 }
 }
 else
 {
 aLine.Append( vertex.position );
 }
 }
 
 aLine.SetClosed( true );
}
 
 
PCB_LAYER_ID ALTIUM_PCB::GetKicadLayer( ALTIUM_LAYER aAltiumLayer ) const
{
 auto override = m_layermap.find( aAltiumLayer );
 
 if( override != m_layermap.end() )
 {
 return override->second;
 }
 
 switch( aAltiumLayer )
 {
 case ALTIUM_LAYER::UNKNOWN: return UNDEFINED_LAYER;
 
 case ALTIUM_LAYER::TOP_LAYER: return F_Cu;
 case ALTIUM_LAYER::MID_LAYER_1: return In1_Cu;
 case ALTIUM_LAYER::MID_LAYER_2: return In2_Cu;
 case ALTIUM_LAYER::MID_LAYER_3: return In3_Cu;
 case ALTIUM_LAYER::MID_LAYER_4: return In4_Cu;
 case ALTIUM_LAYER::MID_LAYER_5: return In5_Cu;
 case ALTIUM_LAYER::MID_LAYER_6: return In6_Cu;
 case ALTIUM_LAYER::MID_LAYER_7: return In7_Cu;
 case ALTIUM_LAYER::MID_LAYER_8: return In8_Cu;
 case ALTIUM_LAYER::MID_LAYER_9: return In9_Cu;
 case ALTIUM_LAYER::MID_LAYER_10: return In10_Cu;
 case ALTIUM_LAYER::MID_LAYER_11: return In11_Cu;
 case ALTIUM_LAYER::MID_LAYER_12: return In12_Cu;
 case ALTIUM_LAYER::MID_LAYER_13: return In13_Cu;
 case ALTIUM_LAYER::MID_LAYER_14: return In14_Cu;
 case ALTIUM_LAYER::MID_LAYER_15: return In15_Cu;
 case ALTIUM_LAYER::MID_LAYER_16: return In16_Cu;
 case ALTIUM_LAYER::MID_LAYER_17: return In17_Cu;
 case ALTIUM_LAYER::MID_LAYER_18: return In18_Cu;
 case ALTIUM_LAYER::MID_LAYER_19: return In19_Cu;
 case ALTIUM_LAYER::MID_LAYER_20: return In20_Cu;
 case ALTIUM_LAYER::MID_LAYER_21: return In21_Cu;
 case ALTIUM_LAYER::MID_LAYER_22: return In22_Cu;
 case ALTIUM_LAYER::MID_LAYER_23: return In23_Cu;
 case ALTIUM_LAYER::MID_LAYER_24: return In24_Cu;
 case ALTIUM_LAYER::MID_LAYER_25: return In25_Cu;
 case ALTIUM_LAYER::MID_LAYER_26: return In26_Cu;
 case ALTIUM_LAYER::MID_LAYER_27: return In27_Cu;
 case ALTIUM_LAYER::MID_LAYER_28: return In28_Cu;
 case ALTIUM_LAYER::MID_LAYER_29: return In29_Cu;
 case ALTIUM_LAYER::MID_LAYER_30: return In30_Cu;
 case ALTIUM_LAYER::BOTTOM_LAYER: return B_Cu;
 
 case ALTIUM_LAYER::TOP_OVERLAY: return F_SilkS;
 case ALTIUM_LAYER::BOTTOM_OVERLAY: return B_SilkS;
 case ALTIUM_LAYER::TOP_PASTE: return F_Paste;
 case ALTIUM_LAYER::BOTTOM_PASTE: return B_Paste;
 case ALTIUM_LAYER::TOP_SOLDER: return F_Mask;
 case ALTIUM_LAYER::BOTTOM_SOLDER: return B_Mask;
 
 case ALTIUM_LAYER::INTERNAL_PLANE_1: return UNDEFINED_LAYER;
 case ALTIUM_LAYER::INTERNAL_PLANE_2: return UNDEFINED_LAYER;
 case ALTIUM_LAYER::INTERNAL_PLANE_3: return UNDEFINED_LAYER;
 case ALTIUM_LAYER::INTERNAL_PLANE_4: return UNDEFINED_LAYER;
 case ALTIUM_LAYER::INTERNAL_PLANE_5: return UNDEFINED_LAYER;
 case ALTIUM_LAYER::INTERNAL_PLANE_6: return UNDEFINED_LAYER;
 case ALTIUM_LAYER::INTERNAL_PLANE_7: return UNDEFINED_LAYER;
 case ALTIUM_LAYER::INTERNAL_PLANE_8: return UNDEFINED_LAYER;
 case ALTIUM_LAYER::INTERNAL_PLANE_9: return UNDEFINED_LAYER;
 case ALTIUM_LAYER::INTERNAL_PLANE_10: return UNDEFINED_LAYER;
 case ALTIUM_LAYER::INTERNAL_PLANE_11: return UNDEFINED_LAYER;
 case ALTIUM_LAYER::INTERNAL_PLANE_12: return UNDEFINED_LAYER;
 case ALTIUM_LAYER::INTERNAL_PLANE_13: return UNDEFINED_LAYER;
 case ALTIUM_LAYER::INTERNAL_PLANE_14: return UNDEFINED_LAYER;
 case ALTIUM_LAYER::INTERNAL_PLANE_15: return UNDEFINED_LAYER;
 case ALTIUM_LAYER::INTERNAL_PLANE_16: return UNDEFINED_LAYER;
 
 case ALTIUM_LAYER::DRILL_GUIDE: return Dwgs_User;
 case ALTIUM_LAYER::KEEP_OUT_LAYER: return Margin;
 
 case ALTIUM_LAYER::MECHANICAL_1: return User_1; //Edge_Cuts;
 case ALTIUM_LAYER::MECHANICAL_2: return User_2;
 case ALTIUM_LAYER::MECHANICAL_3: return User_3;
 case ALTIUM_LAYER::MECHANICAL_4: return User_4;
 case ALTIUM_LAYER::MECHANICAL_5: return User_5;
 case ALTIUM_LAYER::MECHANICAL_6: return User_6;
 case ALTIUM_LAYER::MECHANICAL_7: return User_7;
 case ALTIUM_LAYER::MECHANICAL_8: return User_8;
 case ALTIUM_LAYER::MECHANICAL_9: return User_9;
 case ALTIUM_LAYER::MECHANICAL_10: return Dwgs_User;
 case ALTIUM_LAYER::MECHANICAL_11: return Eco2_User; //Eco1 is used for unknown elements
 case ALTIUM_LAYER::MECHANICAL_12: return F_Fab;
 case ALTIUM_LAYER::MECHANICAL_13: return B_Fab; // Don't use courtyard layers for other purposes
 case ALTIUM_LAYER::MECHANICAL_14: return UNDEFINED_LAYER;
 case ALTIUM_LAYER::MECHANICAL_15: return UNDEFINED_LAYER;
 case ALTIUM_LAYER::MECHANICAL_16: return UNDEFINED_LAYER;
 
 case ALTIUM_LAYER::DRILL_DRAWING: return Dwgs_User;
 case ALTIUM_LAYER::MULTI_LAYER: return UNDEFINED_LAYER;
 case ALTIUM_LAYER::CONNECTIONS: return UNDEFINED_LAYER;
 case ALTIUM_LAYER::BACKGROUND: return UNDEFINED_LAYER;
 case ALTIUM_LAYER::DRC_ERROR_MARKERS: return UNDEFINED_LAYER;
 case ALTIUM_LAYER::SELECTIONS: return UNDEFINED_LAYER;
 case ALTIUM_LAYER::VISIBLE_GRID_1: return UNDEFINED_LAYER;
 case ALTIUM_LAYER::VISIBLE_GRID_2: return UNDEFINED_LAYER;
 case ALTIUM_LAYER::PAD_HOLES: return UNDEFINED_LAYER;
 case ALTIUM_LAYER::VIA_HOLES: return UNDEFINED_LAYER;
 
 default: return UNDEFINED_LAYER;
 }
}
 
 
std::vector<PCB_LAYER_ID> ALTIUM_PCB::GetKicadLayersToIterate( ALTIUM_LAYER aAltiumLayer ) const
{
 static std::set<ALTIUM_LAYER> altiumLayersWithWarning;
 
 if( aAltiumLayer == ALTIUM_LAYER::MULTI_LAYER || aAltiumLayer == ALTIUM_LAYER::KEEP_OUT_LAYER )
 {
 std::vector<PCB_LAYER_ID> layers;
 layers.reserve( MAX_CU_LAYERS );
 
 for( PCB_LAYER_ID layer : LSET::AllCuMask().Seq() )
 {
 if( !m_board || m_board->IsLayerEnabled( layer ) )
 layers.emplace_back( layer );
 }
 
 return layers;
 }
 
 PCB_LAYER_ID klayer = GetKicadLayer( aAltiumLayer );
 
 if( klayer == UNDEFINED_LAYER )
 {
 wxLogWarning( _( "Altium layer (%d) has no KiCad equivalent. It has been moved to KiCad "
 "layer Eco1_User." ),
 aAltiumLayer );
 klayer = Eco1_User;
 }
 
 return { klayer };
}
 
 
ALTIUM_PCB::ALTIUM_PCB( BOARD* aBoard, PROGRESS_REPORTER* aProgressReporter )
{
 m_board = aBoard;
 m_progressReporter = aProgressReporter;
 m_doneCount = 0;
 m_lastProgressCount = 0;
 m_totalCount = 0;
 m_highest_pour_index = 0;
}
 
ALTIUM_PCB::~ALTIUM_PCB()
{
}
 
void ALTIUM_PCB::checkpoint()
{
 const unsigned PROGRESS_DELTA = 250;
 
 if( m_progressReporter )
 {
 if( ++m_doneCount > m_lastProgressCount + PROGRESS_DELTA )
 {
 m_progressReporter->SetCurrentProgress( ( (double) m_doneCount )
 / std::max( 1U, m_totalCount ) );
 
 if( !m_progressReporter->KeepRefreshing() )
 THROW_IO_ERROR( _( "Open cancelled by user." ) );
 
 m_lastProgressCount = m_doneCount;
 }
 }
}
 
void ALTIUM_PCB::Parse( const ALTIUM_COMPOUND_FILE& altiumPcbFile,
 const std::map<ALTIUM_PCB_DIR, std::string>& aFileMapping )
{
 // this vector simply declares in which order which functions to call.
 const std::vector<std::tuple<bool, ALTIUM_PCB_DIR, PARSE_FUNCTION_POINTER_fp>> parserOrder = {
 { true, ALTIUM_PCB_DIR::FILE_HEADER,
 [this]( const ALTIUM_COMPOUND_FILE& aFile, auto fileHeader )
 {
 this->ParseFileHeader( aFile, fileHeader );
 } },
 { true, ALTIUM_PCB_DIR::BOARD6,
 [this]( const ALTIUM_COMPOUND_FILE& aFile, auto fileHeader )
 {
 this->ParseBoard6Data( aFile, fileHeader );
 } },
 { false, ALTIUM_PCB_DIR::EXTENDPRIMITIVEINFORMATION,
 [this]( const ALTIUM_COMPOUND_FILE& aFile, auto fileHeader )
 {
 this->ParseExtendedPrimitiveInformationData( aFile, fileHeader );
 } },
 { true, ALTIUM_PCB_DIR::COMPONENTS6,
 [this]( const ALTIUM_COMPOUND_FILE& aFile, auto fileHeader )
 {
 this->ParseComponents6Data( aFile, fileHeader );
 } },
 { true, ALTIUM_PCB_DIR::MODELS,
 [this, aFileMapping]( const ALTIUM_COMPOUND_FILE& aFile, auto fileHeader )
 {
 std::vector<std::string> dir{ aFileMapping.at( ALTIUM_PCB_DIR::MODELS ) };
 this->ParseModelsData( aFile, fileHeader, dir );
 } },
 { true, ALTIUM_PCB_DIR::COMPONENTBODIES6,
 [this]( const ALTIUM_COMPOUND_FILE& aFile, auto fileHeader )
 {
 this->ParseComponentsBodies6Data( aFile, fileHeader );
 } },
 { true, ALTIUM_PCB_DIR::NETS6,
 [this]( const ALTIUM_COMPOUND_FILE& aFile, auto fileHeader )
 {
 this->ParseNets6Data( aFile, fileHeader );
 } },
 { true, ALTIUM_PCB_DIR::CLASSES6,
 [this]( const ALTIUM_COMPOUND_FILE& aFile, auto fileHeader )
 {
 this->ParseClasses6Data( aFile, fileHeader );
 } },
 { true, ALTIUM_PCB_DIR::RULES6,
 [this]( const ALTIUM_COMPOUND_FILE& aFile, auto fileHeader )
 {
 this->ParseRules6Data( aFile, fileHeader );
 } },
 { true, ALTIUM_PCB_DIR::DIMENSIONS6,
 [this]( const ALTIUM_COMPOUND_FILE& aFile, auto fileHeader )
 {
 this->ParseDimensions6Data( aFile, fileHeader );
 } },
 { true, ALTIUM_PCB_DIR::POLYGONS6,
 [this]( const ALTIUM_COMPOUND_FILE& aFile, auto fileHeader )
 {
 this->ParsePolygons6Data( aFile, fileHeader );
 } },
 { true, ALTIUM_PCB_DIR::ARCS6,
 [this]( const ALTIUM_COMPOUND_FILE& aFile, auto fileHeader )
 {
 this->ParseArcs6Data( aFile, fileHeader );
 } },
 { true, ALTIUM_PCB_DIR::PADS6,
 [this]( const ALTIUM_COMPOUND_FILE& aFile, auto fileHeader )
 {
 this->ParsePads6Data( aFile, fileHeader );
 } },
 { true, ALTIUM_PCB_DIR::VIAS6,
 [this]( const ALTIUM_COMPOUND_FILE& aFile, auto fileHeader )
 {
 this->ParseVias6Data( aFile, fileHeader );
 } },
 { true, ALTIUM_PCB_DIR::TRACKS6,
 [this]( const ALTIUM_COMPOUND_FILE& aFile, auto fileHeader )
 {
 this->ParseTracks6Data( aFile, fileHeader );
 } },
 { false, ALTIUM_PCB_DIR::WIDESTRINGS6,
 [this]( const ALTIUM_COMPOUND_FILE& aFile, auto fileHeader )
 {
 this->ParseWideStrings6Data( aFile, fileHeader );
 } },
 { true, ALTIUM_PCB_DIR::TEXTS6,
 [this]( const ALTIUM_COMPOUND_FILE& aFile, auto fileHeader )
 {
 this->ParseTexts6Data( aFile, fileHeader );
 } },
 { true, ALTIUM_PCB_DIR::FILLS6,
 [this]( const ALTIUM_COMPOUND_FILE& aFile, auto fileHeader )
 {
 this->ParseFills6Data( aFile, fileHeader );
 } },
 { false, ALTIUM_PCB_DIR::BOARDREGIONS,
 [this]( const ALTIUM_COMPOUND_FILE& aFile, auto fileHeader )
 {
 this->ParseBoardRegionsData( aFile, fileHeader );
 } },
 { true, ALTIUM_PCB_DIR::SHAPEBASEDREGIONS6,
 [this]( const ALTIUM_COMPOUND_FILE& aFile, auto fileHeader )
 {
 this->ParseShapeBasedRegions6Data( aFile, fileHeader );
 } },
 { true, ALTIUM_PCB_DIR::REGIONS6,
 [this]( const ALTIUM_COMPOUND_FILE& aFile, auto fileHeader )
 {
 this->ParseRegions6Data( aFile, fileHeader );
 } }
 };
 
 if( m_progressReporter != nullptr )
 {
 // Count number of records we will read for the progress reporter
 for( const std::tuple<bool, ALTIUM_PCB_DIR, PARSE_FUNCTION_POINTER_fp>& cur : parserOrder )
 {
 bool isRequired;
 ALTIUM_PCB_DIR directory;
 PARSE_FUNCTION_POINTER_fp fp;
 std::tie( isRequired, directory, fp ) = cur;
 
 if( directory == ALTIUM_PCB_DIR::FILE_HEADER )
 continue;
 
 const auto& mappedDirectory = aFileMapping.find( directory );
 
 if( mappedDirectory == aFileMapping.end() )
 continue;
 
 const std::vector<std::string> mappedFile{ mappedDirectory->second, "Header" };
 const CFB::COMPOUND_FILE_ENTRY* file = altiumPcbFile.FindStream( mappedFile );
 
 if( file == nullptr )
 continue;
 
 ALTIUM_PARSER reader( altiumPcbFile, file );
 uint32_t numOfRecords = reader.Read<uint32_t>();
 
 if( reader.HasParsingError() )
 {
 wxLogError( _( "'%s' was not parsed correctly." ), FormatPath( mappedFile ) );
 continue;
 }
 
 m_totalCount += numOfRecords;
 
 if( reader.GetRemainingBytes() != 0 )
 {
 wxLogError( _( "'%s' was not fully parsed." ), FormatPath( mappedFile ) );
 continue;
 }
 }
 }
 
 const auto& boardDirectory = aFileMapping.find( ALTIUM_PCB_DIR::BOARD6 );
 
 if( boardDirectory != aFileMapping.end() )
 {
 std::vector<std::string> mappedFile{ boardDirectory->second, "Data" };
 
 const CFB::COMPOUND_FILE_ENTRY* file = altiumPcbFile.FindStream( mappedFile );
 
 if( !file )
 {
 THROW_IO_ERROR( _(
 "This file does not appear to be in a valid PCB Binary Version 6.0 format. In "
 "Altium Designer, "
 "make sure to save as \"PCB Binary Files (*.PcbDoc)\"." ) );
 }
 }
 
 // Parse data in specified order
 for( const std::tuple<bool, ALTIUM_PCB_DIR, PARSE_FUNCTION_POINTER_fp>& cur : parserOrder )
 {
 bool isRequired;
 ALTIUM_PCB_DIR directory;
 PARSE_FUNCTION_POINTER_fp fp;
 std::tie( isRequired, directory, fp ) = cur;
 
 const auto& mappedDirectory = aFileMapping.find( directory );
 
 if( mappedDirectory == aFileMapping.end() )
 {
 wxASSERT_MSG( !isRequired, wxString::Format( wxT( "Altium Directory of kind %d was "
 "expected, but no mapping is "
 "present in the code" ),
 directory ) );
 continue;
 }
 
 std::vector<std::string> mappedFile{ mappedDirectory->second };
 
 if( directory != ALTIUM_PCB_DIR::FILE_HEADER )
 mappedFile.emplace_back( "Data" );
 
 const CFB::COMPOUND_FILE_ENTRY* file = altiumPcbFile.FindStream( mappedFile );
 
 if( file != nullptr )
 {
 fp( altiumPcbFile, file );
 }
 else if( isRequired )
 {
 wxLogError( _( "File not found: '%s' for directory '%s'." ), FormatPath( mappedFile ),
 magic_enum::enum_name( directory ) );
 }
 }
 
 // fixup zone priorities since Altium stores them in the opposite order
 for( ZONE* zone : m_polygons )
 {
 if( !zone )
 continue;
 
 // Altium "fills" - not poured in Altium
 if( zone->GetAssignedPriority() == 1000 )
 {
 // Unlikely, but you never know
 if( m_highest_pour_index >= 1000 )
 zone->SetAssignedPriority( m_highest_pour_index + 1 );
 
 continue;
 }
 
 int priority = m_highest_pour_index - zone->GetAssignedPriority();
 
 zone->SetAssignedPriority( priority >= 0 ? priority : 0 );
 }
 
 // change priority of outer zone to zero
 for( std::pair<const ALTIUM_LAYER, ZONE*>& zone : m_outer_plane )
 zone.second->SetAssignedPriority( 0 );
 
 // Altium doesn't appear to store either the dimension value nor the dimensioned object in
 // the dimension record. (Yes, there is a REFERENCE0OBJECTID, but it doesn't point to the
 // dimensioned object.) We attempt to plug this gap by finding a colocated arc or circle
 // and using its radius. If there are more than one such arcs/circles, well, :shrug:.
 for( PCB_DIM_RADIAL* dim : m_radialDimensions )
 {
 int radius = 0;
 
 for( BOARD_ITEM* item : m_board->Drawings() )
 {
 if( item->Type() != PCB_SHAPE_T )
 continue;
 
 PCB_SHAPE* shape = static_cast<PCB_SHAPE*>( item );
 
 if( shape->GetShape() != SHAPE_T::ARC && shape->GetShape() != SHAPE_T::CIRCLE )
 continue;
 
 if( shape->GetPosition() == dim->GetPosition() )
 {
 radius = shape->GetRadius();
 break;
 }
 }
 
 if( radius == 0 )
 {
 for( PCB_TRACK* track : m_board->Tracks() )
 {
 if( track->Type() != PCB_ARC_T )
 continue;
 
 PCB_ARC* arc = static_cast<PCB_ARC*>( track );
 
 if( arc->GetCenter() == dim->GetPosition() )
 {
 radius = arc->GetRadius();
 break;
 }
 }
 }
 
 // Move the radius point onto the circumference
 VECTOR2I radialLine = dim->GetEnd() - dim->GetStart();
 int totalLength = radialLine.EuclideanNorm();
 
 // Enforce a minimum on the radialLine else we won't have enough precision to get the
 // angle from it.
 radialLine = radialLine.Resize( std::max( radius, 2 ) );
 dim->SetEnd( dim->GetStart() + (VECTOR2I) radialLine );
 dim->SetLeaderLength( totalLength - radius );
 dim->Update();
 }
 
 // center board
 BOX2I bbbox = m_board->GetBoardEdgesBoundingBox();
 
 int w = m_board->GetPageSettings().GetWidthIU( pcbIUScale.IU_PER_MILS );
 int h = m_board->GetPageSettings().GetHeightIU( pcbIUScale.IU_PER_MILS );
 
 int desired_x = ( w - bbbox.GetWidth() ) / 2;
 int desired_y = ( h - bbbox.GetHeight() ) / 2;
 
 VECTOR2I movementVector( desired_x - bbbox.GetX(), desired_y - bbbox.GetY() );
 m_board->Move( movementVector );
 
 BOARD_DESIGN_SETTINGS& bds = m_board->GetDesignSettings();
 bds.SetAuxOrigin( bds.GetAuxOrigin() + movementVector );
 bds.SetGridOrigin( bds.GetGridOrigin() + movementVector );
 
 m_board->SetModified();
}
 
 
FOOTPRINT* ALTIUM_PCB::ParseFootprint( ALTIUM_COMPOUND_FILE& altiumLibFile,
 const wxString& aFootprintName )
{
 std::unique_ptr<FOOTPRINT> footprint = std::make_unique<FOOTPRINT>( m_board );
 
 // TODO: what should we do with those layers?
 m_layermap.emplace( ALTIUM_LAYER::MECHANICAL_14, Eco2_User );
 m_layermap.emplace( ALTIUM_LAYER::MECHANICAL_15, Eco2_User );
 m_layermap.emplace( ALTIUM_LAYER::MECHANICAL_16, Eco2_User );
 
 m_unicodeStrings.clear();
 m_extendedPrimitiveInformationMaps.clear();
 
 // TODO: WideStrings are stored as parameterMap in the case of footprints, not as binary
 // std::string unicodeStringsStreamName = aFootprintName.ToStdString() + "\\WideStrings";
 // const CFB::COMPOUND_FILE_ENTRY* unicodeStringsData = altiumLibFile.FindStream( unicodeStringsStreamName );
 // if( unicodeStringsData != nullptr )
 // {
 // ParseWideStrings6Data( altiumLibFile, unicodeStringsData );
 // }
 
 std::tuple<wxString, const CFB::COMPOUND_FILE_ENTRY*> ret = altiumLibFile.FindLibFootprintDirName(aFootprintName);
 
 wxString fpDirName = std::get<0>( ret );
 const CFB::COMPOUND_FILE_ENTRY* footprintStream = std::get<1>( ret );
 
 if( fpDirName.IsEmpty() )
 {
 THROW_IO_ERROR(
 wxString::Format( _( "Footprint directory not found: '%s'." ), aFootprintName ) );
 }
 
 const std::vector<std::string> streamName{ fpDirName.ToStdString(), "Data" };
 const CFB::COMPOUND_FILE_ENTRY* footprintData = altiumLibFile.FindStream( footprintStream, { "Data" } );
 
 if( footprintData == nullptr )
 {
 THROW_IO_ERROR( wxString::Format( _( "File not found: '%s'." ),
 FormatPath( streamName ) ) );
 }
 
 ALTIUM_PARSER parser( altiumLibFile, footprintData );
 
 parser.ReadAndSetSubrecordLength();
 //wxString footprintName = parser.ReadWxString(); // Not used (single-byte char set)
 parser.SkipSubrecord();
 
 LIB_ID fpID = AltiumToKiCadLibID( "", aFootprintName ); // TODO: library name
 footprint->SetFPID( fpID );
 
 const std::vector<std::string> parametersStreamName{ fpDirName.ToStdString(),
 "Parameters" };
 const CFB::COMPOUND_FILE_ENTRY* parametersData =
 altiumLibFile.FindStream( footprintStream, { "Parameters" } );
 
 if( parametersData != nullptr )
 {
 ALTIUM_PARSER parametersReader( altiumLibFile, parametersData );
 std::map<wxString, wxString> parameterProperties = parametersReader.ReadProperties();
 wxString description = ALTIUM_PARSER::ReadString( parameterProperties,
 wxT( "DESCRIPTION" ),
 wxT( "" ) );
 footprint->SetLibDescription( description );
 }
 else
 {
 wxLogError( _( "File not found: '%s'." ), FormatPath( parametersStreamName ) );
 footprint->SetLibDescription( wxT( "" ) );
 }
 
 const std::vector<std::string> extendedPrimitiveInformationStreamName{
 "ExtendedPrimitiveInformation", "Data"
 };
 const CFB::COMPOUND_FILE_ENTRY* extendedPrimitiveInformationData =
 altiumLibFile.FindStream( footprintStream, extendedPrimitiveInformationStreamName );
 
 if( extendedPrimitiveInformationData != nullptr )
 ParseExtendedPrimitiveInformationData( altiumLibFile, extendedPrimitiveInformationData );
 
 footprint->SetReference( wxT( "REF**" ) );
 footprint->SetValue( aFootprintName );
 footprint->Reference().SetVisible( true ); // TODO: extract visibility information
 footprint->Value().SetVisible( true );
 
 const VECTOR2I defaultTextSize( pcbIUScale.mmToIU( 1.0 ), pcbIUScale.mmToIU( 1.0 ) );
 const int defaultTextThickness( pcbIUScale.mmToIU( 0.15 ) );
 
 for( PCB_FIELD* field : footprint->Fields() )
 {
 field->SetTextSize( defaultTextSize );
 field->SetTextThickness( defaultTextThickness );
 }
 
 for( int primitiveIndex = 0; parser.GetRemainingBytes() >= 4; primitiveIndex++ )
 {
 ALTIUM_RECORD recordtype = static_cast<ALTIUM_RECORD>( parser.Peek<uint8_t>() );
 
 switch( recordtype )
 {
 case ALTIUM_RECORD::ARC:
 {
 AARC6 arc( parser );
 ConvertArcs6ToFootprintItem( footprint.get(), arc, primitiveIndex, false );
 break;
 }
 case ALTIUM_RECORD::PAD:
 {
 APAD6 pad( parser );
 ConvertPads6ToFootprintItem( footprint.get(), pad );
 break;
 }
 case ALTIUM_RECORD::VIA:
 {
 AVIA6 via( parser );
 // TODO: implement
 break;
 }
 case ALTIUM_RECORD::TRACK:
 {
 ATRACK6 track( parser );
 ConvertTracks6ToFootprintItem( footprint.get(), track, primitiveIndex, false );
 break;
 }
 case ALTIUM_RECORD::TEXT:
 {
 ATEXT6 text( parser, m_unicodeStrings );
 ConvertTexts6ToFootprintItem( footprint.get(), text );
 break;
 }
 case ALTIUM_RECORD::FILL:
 {
 AFILL6 fill( parser );
 ConvertFills6ToFootprintItem( footprint.get(), fill, false );
 break;
 }
 case ALTIUM_RECORD::REGION:
 {
 AREGION6 region( parser, false );
 ConvertShapeBasedRegions6ToFootprintItem( footprint.get(), region, primitiveIndex );
 break;
 }
 case ALTIUM_RECORD::MODEL:
 {
 ACOMPONENTBODY6 componentBody( parser );
 // Won't be supported for now, as we would need to extract the model
 break;
 }
 default:
 THROW_IO_ERROR( wxString::Format( _( "Record of unknown type: '%d'." ), recordtype ) );
 }
 }
 
 // Auto-position reference and value
 footprint->AutoPositionFields();
 
 if( parser.HasParsingError() )
 {
 THROW_IO_ERROR( wxString::Format( wxT( "%s stream was not parsed correctly" ),
 FormatPath( streamName ) ) );
 }
 
 if( parser.GetRemainingBytes() != 0 )
 {
 THROW_IO_ERROR( wxString::Format( wxT( "%s stream is not fully parsed" ),
 FormatPath( streamName ) ) );
 }
 
 return footprint.release();
}
 
int ALTIUM_PCB::GetNetCode( uint16_t aId ) const
{
 if( aId == ALTIUM_NET_UNCONNECTED )
 {
 return NETINFO_LIST::UNCONNECTED;
 }
 else if( m_altiumToKicadNetcodes.size() < aId )
 {
 THROW_IO_ERROR( wxString::Format( wxT( "Netcode with id %d does not exist. Only %d nets "
 "are known" ),
 aId, m_altiumToKicadNetcodes.size() ) );
 }
 else
 {
 return m_altiumToKicadNetcodes[ aId ];
 }
}
 
const ARULE6* ALTIUM_PCB::GetRule( ALTIUM_RULE_KIND aKind, const wxString& aName ) const
{
 const auto rules = m_rules.find( aKind );
 
 if( rules == m_rules.end() )
 return nullptr;
 
 for( const ARULE6& rule : rules->second )
 {
 if( rule.name == aName )
 return &rule;
 }
 
 return nullptr;
}
 
const ARULE6* ALTIUM_PCB::GetRuleDefault( ALTIUM_RULE_KIND aKind ) const
{
 const auto rules = m_rules.find( aKind );
 
 if( rules == m_rules.end() )
 return nullptr;
 
 for( const ARULE6& rule : rules->second )
 {
 if( rule.scope1expr == wxT( "All" ) && rule.scope2expr == wxT( "All" ) )
 return &rule;
 }
 
 return nullptr;
}
 
void ALTIUM_PCB::ParseFileHeader( const ALTIUM_COMPOUND_FILE& aAltiumPcbFile,
 const CFB::COMPOUND_FILE_ENTRY* aEntry )
{
 ALTIUM_PARSER reader( aAltiumPcbFile, aEntry );
 
 reader.ReadAndSetSubrecordLength();
 wxString header = reader.ReadWxString();
 
 //std::cout << "HEADER: " << header << std::endl; // tells me: PCB 5.0 Binary File
 
 //reader.SkipSubrecord();
 
 // TODO: does not seem to work all the time at the moment
 //if( reader.GetRemainingBytes() != 0 )
 // THROW_IO_ERROR( "FileHeader stream is not fully parsed" );
}
 
void ALTIUM_PCB::ParseExtendedPrimitiveInformationData( const ALTIUM_COMPOUND_FILE& aAltiumPcbFile,
 const CFB::COMPOUND_FILE_ENTRY* aEntry )
{
 if( m_progressReporter )
 m_progressReporter->Report( _( "Loading extended primitive information data..." ) );
 
 ALTIUM_PARSER reader( aAltiumPcbFile, aEntry );
 
 while( reader.GetRemainingBytes() >= 4 /* TODO: use Header section of file */ )
 {
 checkpoint();
 AEXTENDED_PRIMITIVE_INFORMATION elem( reader );
 
 m_extendedPrimitiveInformationMaps[elem.primitiveObjectId].emplace( elem.primitiveIndex,
 std::move( elem ) );
 }
 
 if( reader.GetRemainingBytes() != 0 )
 THROW_IO_ERROR( wxT( "ExtendedPrimitiveInformation stream is not fully parsed" ) );
}
 
void ALTIUM_PCB::ParseBoard6Data( const ALTIUM_COMPOUND_FILE& aAltiumPcbFile,
 const CFB::COMPOUND_FILE_ENTRY* aEntry )
{
 if( m_progressReporter )
 m_progressReporter->Report( _( "Loading board data..." ) );
 
 ALTIUM_PARSER reader( aAltiumPcbFile, aEntry );
 
 checkpoint();
 ABOARD6 elem( reader );
 
 if( reader.GetRemainingBytes() != 0 )
 THROW_IO_ERROR( wxT( "Board6 stream is not fully parsed" ) );
 
 m_board->GetDesignSettings().SetAuxOrigin( elem.sheetpos );
 m_board->GetDesignSettings().SetGridOrigin( elem.sheetpos );
 
 // read layercount from stackup, because LAYERSETSCOUNT is not always correct?!
 size_t layercount = 0;
 size_t layerid = static_cast<size_t>( ALTIUM_LAYER::TOP_LAYER );
 
 while( layerid < elem.stackup.size() && layerid != 0 )
 {
 layerid = elem.stackup[ layerid - 1 ].nextId;
 layercount++;
 }
 
 size_t kicadLayercount = ( layercount % 2 == 0 ) ? layercount : layercount + 1;
 m_board->SetCopperLayerCount( kicadLayercount );
 
 BOARD_DESIGN_SETTINGS& designSettings = m_board->GetDesignSettings();
 BOARD_STACKUP& stackup = designSettings.GetStackupDescriptor();
 
 // create board stackup
 stackup.RemoveAll(); // Just to be sure
 stackup.BuildDefaultStackupList( &designSettings, layercount );
 
 auto it = stackup.GetList().begin();
 
 // find first copper layer
 for( ; it != stackup.GetList().end() && ( *it )->GetType() != BS_ITEM_TYPE_COPPER; ++it )
 ;
 
 auto curLayer = static_cast<int>( F_Cu );
 
 for( size_t altiumLayerId = static_cast<size_t>( ALTIUM_LAYER::TOP_LAYER );
 altiumLayerId < elem.stackup.size() && altiumLayerId != 0;
 altiumLayerId = elem.stackup[altiumLayerId - 1].nextId )
 {
 // array starts with 0, but stackup with 1
 ABOARD6_LAYER_STACKUP& layer = elem.stackup.at( altiumLayerId - 1 );
 
 // handle unused layer in case of odd layercount
 if( layer.nextId == 0 && layercount != kicadLayercount )
 {
 m_board->SetLayerName( ( *it )->GetBrdLayerId(), wxT( "[unused]" ) );
 
 if( ( *it )->GetType() != BS_ITEM_TYPE_COPPER )
 THROW_IO_ERROR( wxT( "Board6 stream, unexpected item while parsing stackup" ) );
 
 ( *it )->SetThickness( 0 );
 
 ++it;
 
 if( ( *it )->GetType() != BS_ITEM_TYPE_DIELECTRIC )
 THROW_IO_ERROR( wxT( "Board6 stream, unexpected item while parsing stackup" ) );
 
 ( *it )->SetThickness( 0, 0 );
 ( *it )->SetThicknessLocked( true, 0 );
 ++it;
 }
 
 m_layermap.insert( { static_cast<ALTIUM_LAYER>( altiumLayerId ),
 static_cast<PCB_LAYER_ID>( curLayer++ ) } );
 
 if( ( *it )->GetType() != BS_ITEM_TYPE_COPPER )
 THROW_IO_ERROR( wxT( "Board6 stream, unexpected item while parsing stackup" ) );
 
 ( *it )->SetThickness( layer.copperthick );
 
 ALTIUM_LAYER alayer = static_cast<ALTIUM_LAYER>( altiumLayerId );
 PCB_LAYER_ID klayer = ( *it )->GetBrdLayerId();
 
 m_board->SetLayerName( klayer, layer.name );
 
 if( layer.copperthick == 0 )
 m_board->SetLayerType( klayer, LAYER_T::LT_JUMPER ); // used for things like wirebonding
 else if( IsAltiumLayerAPlane( alayer ) )
 m_board->SetLayerType( klayer, LAYER_T::LT_POWER );
 
 if( klayer == B_Cu )
 {
 if( layer.nextId != 0 )
 THROW_IO_ERROR( wxT( "Board6 stream, unexpected id while parsing last stackup layer" ) );
 
 // overwrite entry from internal -> bottom
 m_layermap[alayer] = B_Cu;
 break;
 }
 
 ++it;
 
 if( ( *it )->GetType() != BS_ITEM_TYPE_DIELECTRIC )
 THROW_IO_ERROR( wxT( "Board6 stream, unexpected item while parsing stackup" ) );
 
 ( *it )->SetThickness( layer.dielectricthick, 0 );
 ( *it )->SetMaterial( layer.dielectricmaterial.empty() ?
 NotSpecifiedPrm() :
 wxString( layer.dielectricmaterial ) );
 ( *it )->SetEpsilonR( layer.dielectricconst, 0 );
 
 ++it;
 }
 
 // Set name of all non-cu layers
 for( size_t altiumLayerId = static_cast<size_t>( ALTIUM_LAYER::TOP_OVERLAY );
 altiumLayerId <= static_cast<size_t>( ALTIUM_LAYER::BOTTOM_SOLDER ); altiumLayerId++ )
 {
 // array starts with 0, but stackup with 1
 ABOARD6_LAYER_STACKUP& layer = elem.stackup.at( altiumLayerId - 1 );
 
 ALTIUM_LAYER alayer = static_cast<ALTIUM_LAYER>( altiumLayerId );
 PCB_LAYER_ID klayer = GetKicadLayer( alayer );
 
 m_board->SetLayerName( klayer, layer.name );
 }
 
 for( size_t altiumLayerId = static_cast<size_t>( ALTIUM_LAYER::MECHANICAL_1 );
 altiumLayerId <= static_cast<size_t>( ALTIUM_LAYER::MECHANICAL_16 ); altiumLayerId++ )
 {
 // array starts with 0, but stackup with 1
 ABOARD6_LAYER_STACKUP& layer = elem.stackup.at( altiumLayerId - 1 );
 
 ALTIUM_LAYER alayer = static_cast<ALTIUM_LAYER>( altiumLayerId );
 PCB_LAYER_ID klayer = GetKicadLayer( alayer );
 
 m_board->SetLayerName( klayer, layer.name );
 }
 
 HelperCreateBoardOutline( elem.board_vertices );
}
 
void ALTIUM_PCB::HelperCreateBoardOutline( const std::vector<ALTIUM_VERTICE>& aVertices )
{
 SHAPE_LINE_CHAIN lineChain;
 HelperShapeLineChainFromAltiumVertices( lineChain, aVertices );
 
 STROKE_PARAMS stroke( m_board->GetDesignSettings().GetLineThickness( Edge_Cuts ),
 PLOT_DASH_TYPE::SOLID );
 
 for( int i = 0; i <= lineChain.PointCount() && i != -1; i = lineChain.NextShape( i ) )
 {
 if( lineChain.IsArcStart( i ) )
 {
 const SHAPE_ARC& currentArc = lineChain.Arc( lineChain.ArcIndex( i ) );
 int nextShape = lineChain.NextShape( i );
 bool isLastShape = nextShape < 0;
 
 PCB_SHAPE* shape = new PCB_SHAPE( m_board, SHAPE_T::ARC );
 m_board->Add( shape, ADD_MODE::APPEND );
 
 shape->SetStroke( stroke );
 shape->SetLayer( Edge_Cuts );
 shape->SetArcGeometry( currentArc.GetP0(), currentArc.GetArcMid(), currentArc.GetP1() );
 }
 else
 {
 const SEG& seg = lineChain.Segment( i );
 
 PCB_SHAPE* shape = new PCB_SHAPE( m_board, SHAPE_T::SEGMENT );
 m_board->Add( shape, ADD_MODE::APPEND );
 
 shape->SetStroke( stroke );
 shape->SetLayer( Edge_Cuts );
 shape->SetStart( seg.A );
 shape->SetEnd( seg.B );
 }
 }
}
 
void ALTIUM_PCB::ParseClasses6Data( const ALTIUM_COMPOUND_FILE& aAltiumPcbFile,
 const CFB::COMPOUND_FILE_ENTRY* aEntry )
{
 if( m_progressReporter )
 m_progressReporter->Report( _( "Loading netclasses..." ) );
 
 ALTIUM_PARSER reader( aAltiumPcbFile, aEntry );
 
 while( reader.GetRemainingBytes() >= 4 /* TODO: use Header section of file */ )
 {
 checkpoint();
 ACLASS6 elem( reader );
 
 if( elem.kind == ALTIUM_CLASS_KIND::NET_CLASS )
 {
 std::shared_ptr<NETCLASS> nc = std::make_shared<NETCLASS>( elem.name );
 
 for( const wxString& name : elem.names )
 {
 m_board->GetDesignSettings().m_NetSettings->m_NetClassPatternAssignments.push_back(
 {
 std::make_unique<EDA_COMBINED_MATCHER>( name, CTX_NETCLASS ),
 nc->GetName()
 } );
 }
 
 if( m_board->GetDesignSettings().m_NetSettings->m_NetClasses.count( nc->GetName() ) )
 {
 // Name conflict, happens in some unknown circumstances
 // unique_ptr will delete nc on this code path
 wxLogWarning( _( "More than one Altium netclass with name '%s' found. "
 "Only the first one will be imported." ), elem.name );
 }
 else
 {
 m_board->GetDesignSettings().m_NetSettings->m_NetClasses[ nc->GetName() ] = nc;
 }
 }
 }
 
 if( reader.GetRemainingBytes() != 0 )
 THROW_IO_ERROR( wxT( "Classes6 stream is not fully parsed" ) );
 
 m_board->m_LegacyNetclassesLoaded = true;
}
 
void ALTIUM_PCB::ParseComponents6Data( const ALTIUM_COMPOUND_FILE& aAltiumPcbFile,
 const CFB::COMPOUND_FILE_ENTRY* aEntry )
{
 if( m_progressReporter )
 m_progressReporter->Report( _( "Loading components..." ) );
 
 ALTIUM_PARSER reader( aAltiumPcbFile, aEntry );
 
 uint16_t componentId = 0;
 
 while( reader.GetRemainingBytes() >= 4 /* TODO: use Header section of file */ )
 {
 checkpoint();
 ACOMPONENT6 elem( reader );
 
 FOOTPRINT* footprint = new FOOTPRINT( m_board );
 m_board->Add( footprint, ADD_MODE::APPEND );
 m_components.emplace_back( footprint );
 
 LIB_ID fpID = AltiumToKiCadLibID( elem.sourcefootprintlibrary, elem.pattern );
 
 footprint->SetFPID( fpID );
 
 footprint->SetPosition( elem.position );
 footprint->SetOrientationDegrees( elem.rotation );
 
 // KiCad netlisting requires parts to have non-digit + digit annotation.
 // If the reference begins with a number, we prepend 'UNK' (unknown) for the source designator
 wxString reference = elem.sourcedesignator;
 
 if( reference.find_first_not_of( "0123456789" ) == wxString::npos )
 reference.Prepend( wxT( "UNK" ) );
 
 footprint->SetReference( reference );
 
 footprint->SetLocked( elem.locked );
 footprint->Reference().SetVisible( elem.nameon );
 footprint->Value().SetVisible( elem.commenton );
 footprint->SetLayer( elem.layer == ALTIUM_LAYER::TOP_LAYER ? F_Cu : B_Cu );
 
 componentId++;
 }
 
 if( reader.GetRemainingBytes() != 0 )
 THROW_IO_ERROR( wxT( "Components6 stream is not fully parsed" ) );
}
 
 
double normalizeAngleDegrees( double Angle, double aMin, double aMax )
{
 while( Angle < aMin )
 Angle += 360.0;
 
 while( Angle >= aMax )
 Angle -= 360.0;
 
 return Angle;
}
 
 
void ALTIUM_PCB::ParseComponentsBodies6Data( const ALTIUM_COMPOUND_FILE& aAltiumPcbFile,
 const CFB::COMPOUND_FILE_ENTRY* aEntry )
{
 if( m_progressReporter )
 m_progressReporter->Report( _( "Loading component 3D models..." ) );
 
 ALTIUM_PARSER reader( aAltiumPcbFile, aEntry );
 
 while( reader.GetRemainingBytes() >= 4 /* TODO: use Header section of file */ )
 {
 checkpoint();
 ACOMPONENTBODY6 elem( reader ); // TODO: implement
 
 if( elem.component == ALTIUM_COMPONENT_NONE )
 continue; // TODO: we do not support components for the board yet
 
 if( m_components.size() <= elem.component )
 {
 THROW_IO_ERROR( wxString::Format( wxT( "ComponentsBodies6 stream tries to access "
 "component id %d of %d existing components" ),
 elem.component,
 m_components.size() ) );
 }
 
 if( !elem.modelIsEmbedded )
 continue;
 
 auto modelTuple = m_models.find( elem.modelId );
 
 if( modelTuple == m_models.end() )
 {
 wxLogError( wxT( "ComponentsBodies6 stream tries to access model id %s which does not "
 "exist" ),
 elem.modelId );
 continue;
 }
 
 FOOTPRINT* footprint = m_components.at( elem.component );
 const VECTOR2I& fpPosition = footprint->GetPosition();
 
 FP_3DMODEL modelSettings;
 
 modelSettings.m_Filename = modelTuple->second;
 
 modelSettings.m_Offset.x = pcbIUScale.IUTomm((int) elem.modelPosition.x - fpPosition.x );
 modelSettings.m_Offset.y = -pcbIUScale.IUTomm((int) elem.modelPosition.y - fpPosition.y );
 modelSettings.m_Offset.z = pcbIUScale.IUTomm( (int) elem.modelPosition.z );
 
 EDA_ANGLE orientation = footprint->GetOrientation();
 
 if( footprint->IsFlipped() )
 {
 modelSettings.m_Offset.y = -modelSettings.m_Offset.y;
 orientation = -orientation;
 }
 
 RotatePoint( &modelSettings.m_Offset.x, &modelSettings.m_Offset.y, orientation );
 
 modelSettings.m_Rotation.x = normalizeAngleDegrees( -elem.modelRotation.x, -180, 180 );
 modelSettings.m_Rotation.y = normalizeAngleDegrees( -elem.modelRotation.y, -180, 180 );
 modelSettings.m_Rotation.z = normalizeAngleDegrees( -elem.modelRotation.z
 + elem.rotation
 + orientation.AsDegrees(),
 -180, 180 );
 modelSettings.m_Opacity = elem.bodyOpacity;
 
 footprint->Models().push_back( modelSettings );
 }
 
 if( reader.GetRemainingBytes() != 0 )
 THROW_IO_ERROR( wxT( "ComponentsBodies6 stream is not fully parsed" ) );
}
 
 
void ALTIUM_PCB::HelperParseDimensions6Linear( const ADIMENSION6& aElem )
{
 if( aElem.referencePoint.size() != 2 )
 THROW_IO_ERROR( wxT( "Incorrect number of reference points for linear dimension object" ) );
 
 PCB_LAYER_ID klayer = GetKicadLayer( aElem.layer );
 
 if( klayer == UNDEFINED_LAYER )
 {
 wxLogWarning( _( "Dimension found on an Altium layer (%d) with no KiCad equivalent. "
 "It has been moved to KiCad layer Eco1_User." ),
 aElem.layer );
 klayer = Eco1_User;
 }
 
 VECTOR2I referencePoint0 = aElem.referencePoint.at( 0 );
 VECTOR2I referencePoint1 = aElem.referencePoint.at( 1 );
 
 PCB_DIM_ALIGNED* dimension = new PCB_DIM_ALIGNED( m_board, PCB_DIM_ALIGNED_T );
 m_board->Add( dimension, ADD_MODE::APPEND );
 
 dimension->SetPrecision( static_cast<DIM_PRECISION>( aElem.textprecision ) );
 dimension->SetLayer( klayer );
 dimension->SetStart( referencePoint0 );
 
 if( referencePoint0 != aElem.xy1 )
 {
 VECTOR2I direction = aElem.xy1 - referencePoint0;
 VECTOR2I directionNormalVector = VECTOR2I( -direction.y, direction.x );
 SEG segm1( referencePoint0, referencePoint0 + directionNormalVector );
 SEG segm2( referencePoint1, referencePoint1 + direction );
 OPT_VECTOR2I intersection( segm1.Intersect( segm2, true, true ) );
 
 if( !intersection )
 THROW_IO_ERROR( wxT( "Invalid dimension. This should never happen." ) );
 
 dimension->SetEnd( *intersection );
 
 int height = static_cast<int>( EuclideanNorm( direction ) );
 
 if( ( direction.x > 0 || direction.y < 0 ) != ( aElem.angle >= 180.0 ) )
 height = -height;
 
 dimension->SetHeight( height );
 }
 else
 {
 dimension->SetEnd( referencePoint1 );
 }
 
 dimension->SetLineThickness( aElem.linewidth );
 
 dimension->SetUnitsFormat( DIM_UNITS_FORMAT::NO_SUFFIX );
 dimension->SetPrefix( aElem.textprefix );
 
 // Suffix normally (but not always) holds the units
 wxRegEx units( wxS( "(mm)|(in)|(mils)|(thou)|(')|(\")" ), wxRE_ADVANCED );
 
 if( units.Matches( aElem.textsuffix ) )
 dimension->SetUnitsFormat( DIM_UNITS_FORMAT::BARE_SUFFIX );
 else
 dimension->SetSuffix( aElem.textsuffix );
 
 dimension->SetTextThickness( aElem.textlinewidth );
 dimension->SetTextSize( VECTOR2I( aElem.textheight, aElem.textheight ) );
 dimension->SetItalic( aElem.textitalic );
 
#if 0 // we don't currently support bold; map to thicker text
 dimension->Text().SetBold( aElem.textbold );
#else
 if( aElem.textbold )
 dimension->SetTextThickness( dimension->GetTextThickness() * BOLD_FACTOR );
#endif
 
 switch( aElem.textunit )
 {
 case ALTIUM_UNIT::INCHES:
 dimension->SetUnits( EDA_UNITS::INCHES );
 break;
 case ALTIUM_UNIT::MILS:
 dimension->SetUnits( EDA_UNITS::MILS );
 break;
 case ALTIUM_UNIT::MILLIMETERS:
 case ALTIUM_UNIT::CENTIMETER:
 dimension->SetUnits( EDA_UNITS::MILLIMETRES );
 break;
 default:
 break;
 }
}
 
 
void ALTIUM_PCB::HelperParseDimensions6Radial(const ADIMENSION6 &aElem)
{
 if( aElem.referencePoint.size() < 2 )
 THROW_IO_ERROR( wxT( "Not enough reference points for radial dimension object" ) );
 
 PCB_LAYER_ID klayer = GetKicadLayer( aElem.layer );
 
 if( klayer == UNDEFINED_LAYER )
 {
 wxLogWarning( _( "Dimension found on an Altium layer (%d) with no KiCad equivalent. "
 "It has been moved to KiCad layer Eco1_User." ),
 aElem.layer );
 klayer = Eco1_User;
 }
 
 VECTOR2I referencePoint0 = aElem.referencePoint.at( 0 );
 VECTOR2I referencePoint1 = aElem.referencePoint.at( 1 );
 
 PCB_DIM_RADIAL* dimension = new PCB_DIM_RADIAL( m_board );
 m_board->Add( dimension, ADD_MODE::APPEND );
 m_radialDimensions.push_back( dimension );
 
 dimension->SetPrecision( static_cast<DIM_PRECISION>( aElem.textprecision ) );
 dimension->SetLayer( klayer );
 dimension->SetStart( referencePoint0 );
 dimension->SetEnd( aElem.xy1 );
 dimension->SetLineThickness( aElem.linewidth );
 dimension->SetKeepTextAligned( false );
 
 dimension->SetPrefix( aElem.textprefix );
 
 // Suffix normally holds the units
 dimension->SetUnitsFormat( aElem.textsuffix.IsEmpty() ? DIM_UNITS_FORMAT::NO_SUFFIX
 : DIM_UNITS_FORMAT::BARE_SUFFIX );
 
 switch( aElem.textunit )
 {
 case ALTIUM_UNIT::INCHES:
 dimension->SetUnits( EDA_UNITS::INCHES );
 break;
 case ALTIUM_UNIT::MILS:
 dimension->SetUnits( EDA_UNITS::MILS );
 break;
 case ALTIUM_UNIT::MILLIMETERS:
 case ALTIUM_UNIT::CENTIMETER:
 dimension->SetUnits( EDA_UNITS::MILLIMETRES );
 break;
 default:
 break;
 }
 
 if( aElem.textPoint.empty() )
 {
 wxLogError( wxT( "No text position present for leader dimension object" ) );
 return;
 }
 
 dimension->SetTextPos( aElem.textPoint.at( 0 ) );
 dimension->SetTextThickness( aElem.textlinewidth );
 dimension->SetTextSize( VECTOR2I( aElem.textheight, aElem.textheight ) );
 dimension->SetItalic( aElem.textitalic );
 
#if 0 // we don't currently support bold; map to thicker text
 dimension->SetBold( aElem.textbold );
#else
 if( aElem.textbold )
 dimension->SetTextThickness( dimension->GetTextThickness() * BOLD_FACTOR );
#endif
 
 // It's unclear exactly how Altium figures it's text positioning, but this gets us reasonably
 // close.
 dimension->SetVertJustify( GR_TEXT_V_ALIGN_BOTTOM );
 dimension->SetHorizJustify( GR_TEXT_H_ALIGN_LEFT );
 
 int yAdjust = dimension->GetTextBox().GetCenter().y - dimension->GetTextPos().y;
 dimension->SetTextPos( dimension->GetTextPos() + VECTOR2I( 0, yAdjust + aElem.textgap ) );
 dimension->SetVertJustify( GR_TEXT_V_ALIGN_CENTER );
}
 
 
void ALTIUM_PCB::HelperParseDimensions6Leader( const ADIMENSION6& aElem )
{
 PCB_LAYER_ID klayer = GetKicadLayer( aElem.layer );
 
 if( klayer == UNDEFINED_LAYER )
 {
 wxLogWarning( _( "Dimension found on an Altium layer (%d) with no KiCad equivalent. "
 "It has been moved to KiCad layer Eco1_User." ),
 aElem.layer );
 klayer = Eco1_User;
 }
 
 if( !aElem.referencePoint.empty() )
 {
 VECTOR2I referencePoint0 = aElem.referencePoint.at( 0 );
 
 // line
 VECTOR2I last = referencePoint0;
 for( size_t i = 1; i < aElem.referencePoint.size(); i++ )
 {
 PCB_SHAPE* shape = new PCB_SHAPE( m_board, SHAPE_T::SEGMENT );
 m_board->Add( shape, ADD_MODE::APPEND );
 shape->SetLayer( klayer );
 shape->SetStroke( STROKE_PARAMS( aElem.linewidth, PLOT_DASH_TYPE::SOLID ) );
 shape->SetStart( last );
 shape->SetEnd( aElem.referencePoint.at( i ) );
 last = aElem.referencePoint.at( i );
 }
 
 // arrow
 if( aElem.referencePoint.size() >= 2 )
 {
 VECTOR2I dirVec = aElem.referencePoint.at( 1 ) - referencePoint0;
 
 if( dirVec.x != 0 || dirVec.y != 0 )
 {
 double scaling = EuclideanNorm( dirVec ) / aElem.arrowsize;
 VECTOR2I arrVec = VECTOR2I( KiROUND( dirVec.x / scaling ),
 KiROUND( dirVec.y / scaling ) );
 RotatePoint( arrVec, EDA_ANGLE( 20.0, DEGREES_T ) );
 
 PCB_SHAPE* shape1 = new PCB_SHAPE( m_board, SHAPE_T::SEGMENT );
 m_board->Add( shape1, ADD_MODE::APPEND );
 shape1->SetLayer( klayer );
 shape1->SetStroke( STROKE_PARAMS( aElem.linewidth, PLOT_DASH_TYPE::SOLID ) );
 shape1->SetStart( referencePoint0 );
 shape1->SetEnd( referencePoint0 + arrVec );
 
 RotatePoint( arrVec, EDA_ANGLE( -40.0, DEGREES_T ) );
 
 PCB_SHAPE* shape2 = new PCB_SHAPE( m_board, SHAPE_T::SEGMENT );
 m_board->Add( shape2, ADD_MODE::APPEND );
 shape2->SetLayer( klayer );
 shape2->SetStroke( STROKE_PARAMS( aElem.linewidth, PLOT_DASH_TYPE::SOLID ) );
 shape2->SetStart( referencePoint0 );
 shape2->SetEnd( referencePoint0 + arrVec );
 }
 }
 }
 
 if( aElem.textPoint.empty() )
 {
 wxLogError( wxT( "No text position present for leader dimension object" ) );
 return;
 }
 
 PCB_TEXT* text = new PCB_TEXT( m_board );
 m_board->Add( text, ADD_MODE::APPEND );
 text->SetText( aElem.textformat );
 text->SetPosition( aElem.textPoint.at( 0 ) );
 text->SetLayer( klayer );
 text->SetTextSize( VECTOR2I( aElem.textheight, aElem.textheight ) ); // TODO: parse text width
 text->SetTextThickness( aElem.textlinewidth );
 text->SetHorizJustify( GR_TEXT_H_ALIGN_LEFT );
 text->SetVertJustify( GR_TEXT_V_ALIGN_BOTTOM );
}
 
 
void ALTIUM_PCB::HelperParseDimensions6Datum( const ADIMENSION6& aElem )
{
 PCB_LAYER_ID klayer = GetKicadLayer( aElem.layer );
 
 if( klayer == UNDEFINED_LAYER )
 {
 wxLogWarning( _( "Dimension found on an Altium layer (%d) with no KiCad equivalent. "
 "It has been moved to KiCad layer Eco1_User." ),
 aElem.layer );
 klayer = Eco1_User;
 }
 
 for( size_t i = 0; i < aElem.referencePoint.size(); i++ )
 {
 PCB_SHAPE* shape = new PCB_SHAPE( m_board, SHAPE_T::SEGMENT );
 m_board->Add( shape, ADD_MODE::APPEND );
 shape->SetLayer( klayer );
 shape->SetStroke( STROKE_PARAMS( aElem.linewidth, PLOT_DASH_TYPE::SOLID ) );
 shape->SetStart( aElem.referencePoint.at( i ) );
 // shape->SetEnd( /* TODO: seems to be based on TEXTY */ );
 }
}
 
 
void ALTIUM_PCB::HelperParseDimensions6Center( const ADIMENSION6& aElem )
{
 PCB_LAYER_ID klayer = GetKicadLayer( aElem.layer );
 
 if( klayer == UNDEFINED_LAYER )
 {
 wxLogWarning( _( "Dimension found on an Altium layer (%d) with no KiCad equivalent. "
 "It has been moved to KiCad layer Eco1_User." ),
 aElem.layer );
 klayer = Eco1_User;
 }
 
 VECTOR2I vec = VECTOR2I( 0, aElem.height / 2 );
 RotatePoint( vec, EDA_ANGLE( aElem.angle, DEGREES_T ) );
 
 PCB_DIM_CENTER* dimension = new PCB_DIM_CENTER( m_board );
 m_board->Add( dimension, ADD_MODE::APPEND );
 dimension->SetLayer( klayer );
 dimension->SetLineThickness( aElem.linewidth );
 dimension->SetStart( aElem.xy1 );
 dimension->SetEnd( aElem.xy1 + vec );
}
 
 
void ALTIUM_PCB::ParseDimensions6Data( const ALTIUM_COMPOUND_FILE& aAltiumPcbFile,
 const CFB::COMPOUND_FILE_ENTRY* aEntry )
{
 if( m_progressReporter )
 m_progressReporter->Report( _( "Loading dimension drawings..." ) );
 
 ALTIUM_PARSER reader( aAltiumPcbFile, aEntry );
 
 while( reader.GetRemainingBytes() >= 4 /* TODO: use Header section of file */ )
 {
 checkpoint();
 ADIMENSION6 elem( reader );
 
 switch( elem.kind )
 {
 case ALTIUM_DIMENSION_KIND::LINEAR:
 HelperParseDimensions6Linear( elem );
 break;
 case ALTIUM_DIMENSION_KIND::RADIAL:
 HelperParseDimensions6Radial( elem );
 break;
 case ALTIUM_DIMENSION_KIND::LEADER:
 HelperParseDimensions6Leader( elem );
 break;
 case ALTIUM_DIMENSION_KIND::DATUM:
 wxLogError( _( "Ignored dimension of kind %d (not yet supported)." ), elem.kind );
 // HelperParseDimensions6Datum( elem );
 break;
 case ALTIUM_DIMENSION_KIND::CENTER:
 HelperParseDimensions6Center( elem );
 break;
 default:
 wxLogError( _( "Ignored dimension of kind %d (not yet supported)." ), elem.kind );
 break;
 }
 }
 
 if( reader.GetRemainingBytes() != 0 )
 THROW_IO_ERROR( wxT( "Dimensions6 stream is not fully parsed" ) );
}
 
 
void ALTIUM_PCB::ParseModelsData( const ALTIUM_COMPOUND_FILE& aAltiumPcbFile,
 const CFB::COMPOUND_FILE_ENTRY* aEntry,
 const std::vector<std::string>& aRootDir )
{
 if( m_progressReporter )
 m_progressReporter->Report( _( "Loading 3D models..." ) );
 
 ALTIUM_PARSER reader( aAltiumPcbFile, aEntry );
 
 if( reader.GetRemainingBytes() == 0 )
 return;
 
 wxString projectPath = wxPathOnly( m_board->GetFileName() );
 // TODO: set KIPRJMOD always after import (not only when loading project)?
 wxSetEnv( PROJECT_VAR_NAME, projectPath );
 
 // TODO: make this path configurable?
 const wxString altiumModelDir = wxT( "ALTIUM_EMBEDDED_MODELS" );
 
 wxFileName altiumModelsPath = wxFileName::DirName( projectPath );
 wxString kicadModelPrefix = wxT( "${KIPRJMOD}/" ) + altiumModelDir + wxT( "/" );
 
 if( !altiumModelsPath.AppendDir( altiumModelDir ) )
 THROW_IO_ERROR( wxT( "Cannot construct directory path for step models" ) );
 
 // Create dir if it does not exist
 if( !altiumModelsPath.DirExists() )
 {
 if( !altiumModelsPath.Mkdir() )
 {
 wxLogError( _( "Failed to create folder '%s'." ) + wxS( " " )
 + _( "No 3D-models will be imported." ),
 altiumModelsPath.GetFullPath() );
 return;
 }
 }
 
 int idx = 0;
 wxString invalidChars = wxFileName::GetForbiddenChars();
 
 while( reader.GetRemainingBytes() >= 4 /* TODO: use Header section of file */ )
 {
 checkpoint();
 AMODEL elem( reader );
 
 std::vector<std::string> stepPath = aRootDir;
 stepPath.emplace_back( std::to_string( idx ) );
 
 bool validName = !elem.name.IsEmpty() && elem.name.IsAscii() &&
 wxString::npos == elem.name.find_first_of( invalidChars );
 wxString storageName = !validName ? wxString::Format( wxT( "model_%d" ), idx )
 : elem.name;
 wxFileName storagePath( altiumModelsPath.GetPath(), storageName );
 
 idx++;
 
 const CFB::COMPOUND_FILE_ENTRY* stepEntry = aAltiumPcbFile.FindStream( stepPath );
 
 if( stepEntry == nullptr )
 {
 wxLogError( _( "File not found: '%s'. 3D-model not imported." ),
 FormatPath( stepPath ) );
 continue;
 }
 
 size_t stepSize = static_cast<size_t>( stepEntry->size );
 std::vector<char> stepContent( stepSize );
 
 // read file into buffer
 aAltiumPcbFile.GetCompoundFileReader().ReadFile( stepEntry, 0, stepContent.data(),
 stepSize );
 
 if( !storagePath.IsDirWritable() )
 {
 wxLogError( _( "Insufficient permissions to save file '%s'." ),
 storagePath.GetFullPath() );
 continue;
 }
 
 wxMemoryInputStream stepStream( stepContent.data(), stepSize );
 wxZlibInputStream zlibInputStream( stepStream );
 
 wxFFileOutputStream outputStream( storagePath.GetFullPath() );
 outputStream.Write( zlibInputStream );
 outputStream.Close();
 
 m_models.insert( { elem.id, kicadModelPrefix + storageName } );
 }
 
 if( reader.GetRemainingBytes() != 0 )
 THROW_IO_ERROR( wxT( "Models stream is not fully parsed" ) );
}
 
 
void ALTIUM_PCB::ParseNets6Data( const ALTIUM_COMPOUND_FILE& aAltiumPcbFile,
 const CFB::COMPOUND_FILE_ENTRY* aEntry )
{
 if( m_progressReporter )
 m_progressReporter->Report( _( "Loading nets..." ) );
 
 ALTIUM_PARSER reader( aAltiumPcbFile, aEntry );
 
 wxASSERT( m_altiumToKicadNetcodes.empty() );
 while( reader.GetRemainingBytes() >= 4 /* TODO: use Header section of file */ )
 {
 checkpoint();
 ANET6 elem( reader );
 
 NETINFO_ITEM* netInfo = new NETINFO_ITEM( m_board, elem.name, 0 );
 m_board->Add( netInfo, ADD_MODE::APPEND );
 
 m_altiumToKicadNetcodes.push_back( netInfo->GetNetCode() );
 }
 
 if( reader.GetRemainingBytes() != 0 )
 THROW_IO_ERROR( wxT( "Nets6 stream is not fully parsed" ) );
}
 
void ALTIUM_PCB::ParsePolygons6Data( const ALTIUM_COMPOUND_FILE& aAltiumPcbFile,
 const CFB::COMPOUND_FILE_ENTRY* aEntry )
{
 if( m_progressReporter )
 m_progressReporter->Report( _( "Loading polygons..." ) );
 
 ALTIUM_PARSER reader( aAltiumPcbFile, aEntry );
 
 while( reader.GetRemainingBytes() >= 4 /* TODO: use Header section of file */ )
 {
 checkpoint();
 APOLYGON6 elem( reader );
 
 SHAPE_LINE_CHAIN linechain;
 HelperShapeLineChainFromAltiumVertices( linechain, elem.vertices );
 
 if( linechain.PointCount() < 3 )
 {
 // We have found multiple Altium files with polygon records containing nothing but two
 // coincident vertices. These polygons do not appear when opening the file in Altium.
 // https://gitlab.com/kicad/code/kicad/-/issues/8183
 // Also, polygons with less than 3 points are not supported in KiCad.
 //
 // wxLogError( _( "Polygon has only %d point extracted from %ld vertices. At least 2 "
 // "points are required." ),
 // linechain.PointCount(),
 // elem.vertices.size() );
 
 m_polygons.emplace_back( nullptr );
 continue;
 }
 
 ZONE* zone = new ZONE( m_board );
 m_board->Add( zone, ADD_MODE::APPEND );
 m_polygons.emplace_back( zone );
 
 zone->SetNetCode( GetNetCode( elem.net ) );
 zone->SetPosition( elem.vertices.at( 0 ).position );
 zone->SetLocked( elem.locked );
 zone->SetAssignedPriority( elem.pourindex > 0 ? elem.pourindex : 0 );
 zone->Outline()->AddOutline( linechain );
 
 HelperSetZoneLayers( zone, elem.layer );
 
 if( elem.pourindex > m_highest_pour_index )
 m_highest_pour_index = elem.pourindex;
 
 // TODO: more flexible rule parsing
 const ARULE6* clearanceRule = GetRuleDefault( ALTIUM_RULE_KIND::PLANE_CLEARANCE );
 
 if( clearanceRule != nullptr )
 zone->SetLocalClearance( clearanceRule->planeclearanceClearance );
 
 const ARULE6* polygonConnectRule = GetRuleDefault( ALTIUM_RULE_KIND::POLYGON_CONNECT );
 
 if( polygonConnectRule != nullptr )
 {
 switch( polygonConnectRule->polygonconnectStyle )
 {
 case ALTIUM_CONNECT_STYLE::DIRECT:
 zone->SetPadConnection( ZONE_CONNECTION::FULL );
 break;
 
 case ALTIUM_CONNECT_STYLE::NONE:
 zone->SetPadConnection( ZONE_CONNECTION::NONE );
 break;
 
 default:
 case ALTIUM_CONNECT_STYLE::RELIEF:
 zone->SetPadConnection( ZONE_CONNECTION::THERMAL );
 break;
 }
 
 // TODO: correct variables?
 zone->SetThermalReliefSpokeWidth(
 polygonConnectRule->polygonconnectReliefconductorwidth );
 zone->SetThermalReliefGap( polygonConnectRule->polygonconnectAirgapwidth );
 
 if( polygonConnectRule->polygonconnectReliefconductorwidth < zone->GetMinThickness() )
 zone->SetMinThickness( polygonConnectRule->polygonconnectReliefconductorwidth );
 }
 
 if( IsAltiumLayerAPlane( elem.layer ) )
 {
 // outer zone will be set to priority 0 later.
 zone->SetAssignedPriority( 1 );
 
 // check if this is the outer zone by simply comparing the BBOX
 const auto& outer_plane = m_outer_plane.find( elem.layer );
 if( outer_plane == m_outer_plane.end()
 || zone->GetBoundingBox().Contains( outer_plane->second->GetBoundingBox() ) )
 {
 m_outer_plane[elem.layer] = zone;
 }
 }
 
 if( elem.hatchstyle != ALTIUM_POLYGON_HATCHSTYLE::SOLID
 && elem.hatchstyle != ALTIUM_POLYGON_HATCHSTYLE::UNKNOWN )
 {
 zone->SetFillMode( ZONE_FILL_MODE::HATCH_PATTERN );
 zone->SetHatchThickness( elem.trackwidth );
 
 if( elem.hatchstyle == ALTIUM_POLYGON_HATCHSTYLE::NONE )
 {
 // use a small hack to get us only an outline (hopefully)
 const BOX2I& bbox = zone->GetBoundingBox();
 zone->SetHatchGap( std::max( bbox.GetHeight(), bbox.GetWidth() ) );
 }
 else
 {
 zone->SetHatchGap( elem.gridsize - elem.trackwidth );
 }
 
 if( elem.hatchstyle == ALTIUM_POLYGON_HATCHSTYLE::DEGREE_45 )
 zone->SetHatchOrientation( ANGLE_45 );
 }
 
 zone->SetBorderDisplayStyle( ZONE_BORDER_DISPLAY_STYLE::DIAGONAL_EDGE,
 ZONE::GetDefaultHatchPitch(), true );
 }
 
 if( reader.GetRemainingBytes() != 0 )
 THROW_IO_ERROR( wxT( "Polygons6 stream is not fully parsed" ) );
}
 
void ALTIUM_PCB::ParseRules6Data( const ALTIUM_COMPOUND_FILE& aAltiumPcbFile,
 const CFB::COMPOUND_FILE_ENTRY* aEntry )
{
 if( m_progressReporter )
 m_progressReporter->Report( _( "Loading rules..." ) );
 
 ALTIUM_PARSER reader( aAltiumPcbFile, aEntry );
 
 while( reader.GetRemainingBytes() >= 4 /* TODO: use Header section of file */ )
 {
 checkpoint();
 ARULE6 elem( reader );
 
 m_rules[elem.kind].emplace_back( elem );
 }
 
 // sort rules by priority
 for( std::pair<const ALTIUM_RULE_KIND, std::vector<ARULE6>>& val : m_rules )
 {
 std::sort( val.second.begin(), val.second.end(),
 []( const ARULE6& lhs, const ARULE6& rhs )
 {
 return lhs.priority < rhs.priority;
 } );
 }
 
 const ARULE6* soldermaskRule = GetRuleDefault( ALTIUM_RULE_KIND::SOLDER_MASK_EXPANSION );
 const ARULE6* pastemaskRule = GetRuleDefault( ALTIUM_RULE_KIND::PASTE_MASK_EXPANSION );
 
 if( soldermaskRule )
 m_board->GetDesignSettings().m_SolderMaskExpansion = soldermaskRule->soldermaskExpansion;
 
 if( pastemaskRule )
 m_board->GetDesignSettings().m_SolderPasteMargin = pastemaskRule->pastemaskExpansion;
 
 if( reader.GetRemainingBytes() != 0 )
 THROW_IO_ERROR( wxT( "Rules6 stream is not fully parsed" ) );
}
 
void ALTIUM_PCB::ParseBoardRegionsData( const ALTIUM_COMPOUND_FILE& aAltiumPcbFile,
 const CFB::COMPOUND_FILE_ENTRY* aEntry )
{
 if( m_progressReporter )
 m_progressReporter->Report( _( "Loading board regions..." ) );
 
 ALTIUM_PARSER reader( aAltiumPcbFile, aEntry );
 
 while( reader.GetRemainingBytes() >= 4 /* TODO: use Header section of file */ )
 {
 checkpoint();
 AREGION6 elem( reader, false );
 
 // TODO: implement?
 }
 
 if( reader.GetRemainingBytes() != 0 )
 THROW_IO_ERROR( wxT( "BoardRegions stream is not fully parsed" ) );
}
 
void ALTIUM_PCB::ParseShapeBasedRegions6Data( const ALTIUM_COMPOUND_FILE& aAltiumPcbFile,
 const CFB::COMPOUND_FILE_ENTRY* aEntry )
{
 if( m_progressReporter )
 m_progressReporter->Report( _( "Loading polygons..." ) );
 
 ALTIUM_PARSER reader( aAltiumPcbFile, aEntry );
 
 /* TODO: use Header section of file */
 for( int primitiveIndex = 0; reader.GetRemainingBytes() >= 4; primitiveIndex++ )
 {
 checkpoint();
 AREGION6 elem( reader, true );
 
 if( elem.component == ALTIUM_COMPONENT_NONE
 || elem.kind == ALTIUM_REGION_KIND::BOARD_CUTOUT )
 {
 // TODO: implement all different types for footprints
 ConvertShapeBasedRegions6ToBoardItem( elem );
 }
 else
 {
 FOOTPRINT* footprint = HelperGetFootprint( elem.component );
 ConvertShapeBasedRegions6ToFootprintItem( footprint, elem, primitiveIndex );
 }
 }
 
 if( reader.GetRemainingBytes() != 0 )
 THROW_IO_ERROR( "ShapeBasedRegions6 stream is not fully parsed" );
}
 
 
void ALTIUM_PCB::ConvertShapeBasedRegions6ToBoardItem( const AREGION6& aElem )
{
 if( aElem.kind == ALTIUM_REGION_KIND::BOARD_CUTOUT )
 {
 HelperCreateBoardOutline( aElem.outline );
 }
 else if( aElem.kind == ALTIUM_REGION_KIND::POLYGON_CUTOUT || aElem.is_keepout )
 {
 SHAPE_LINE_CHAIN linechain;
 HelperShapeLineChainFromAltiumVertices( linechain, aElem.outline );
 
 if( linechain.PointCount() < 3 )
 {
 // We have found multiple Altium files with polygon records containing nothing but
 // two coincident vertices. These polygons do not appear when opening the file in
 // Altium. https://gitlab.com/kicad/code/kicad/-/issues/8183
 // Also, polygons with less than 3 points are not supported in KiCad.
 return;
 }
 
 ZONE* zone = new ZONE( m_board );
 m_board->Add( zone, ADD_MODE::APPEND );
 
 zone->SetIsRuleArea( true );
 
 if( aElem.is_keepout )
 {
 HelperSetZoneKeepoutRestrictions( zone, aElem.keepoutrestrictions );
 }
 else if( aElem.kind == ALTIUM_REGION_KIND::POLYGON_CUTOUT )
 {
 zone->SetDoNotAllowCopperPour( true );
 zone->SetDoNotAllowVias( false );
 zone->SetDoNotAllowTracks( false );
 zone->SetDoNotAllowPads( false );
 zone->SetDoNotAllowFootprints( false );
 }
 
 zone->SetPosition( aElem.outline.at( 0 ).position );
 zone->Outline()->AddOutline( linechain );
 
 HelperSetZoneLayers( zone, aElem.layer );
 
 zone->SetBorderDisplayStyle( ZONE_BORDER_DISPLAY_STYLE::DIAGONAL_EDGE,
 ZONE::GetDefaultHatchPitch(), true );
 }
 else if( aElem.kind == ALTIUM_REGION_KIND::DASHED_OUTLINE )
 {
 PCB_LAYER_ID klayer = GetKicadLayer( aElem.layer );
 
 if( klayer == UNDEFINED_LAYER )
 {
 wxLogWarning(
 _( "Dashed outline found on an Altium layer (%d) with no KiCad equivalent. "
 "It has been moved to KiCad layer Eco1_User." ),
 aElem.layer );
 klayer = Eco1_User;
 }
 
 SHAPE_LINE_CHAIN linechain;
 HelperShapeLineChainFromAltiumVertices( linechain, aElem.outline );
 
 if( linechain.PointCount() < 3 )
 {
 // We have found multiple Altium files with polygon records containing nothing but
 // two coincident vertices. These polygons do not appear when opening the file in
 // Altium. https://gitlab.com/kicad/code/kicad/-/issues/8183
 // Also, polygons with less than 3 points are not supported in KiCad.
 return;
 }
 
 PCB_SHAPE* shape = new PCB_SHAPE( m_board, SHAPE_T::POLY );
 
 shape->SetPolyShape( linechain );
 shape->SetFilled( false );
 shape->SetLayer( klayer );
 shape->SetStroke( STROKE_PARAMS( pcbIUScale.mmToIU( 0.1 ), PLOT_DASH_TYPE::DASH ) );
 
 m_board->Add( shape, ADD_MODE::APPEND );
 }
 else if( aElem.kind == ALTIUM_REGION_KIND::COPPER )
 {
 if( aElem.subpolyindex == ALTIUM_POLYGON_NONE )
 {
 for( PCB_LAYER_ID klayer : GetKicadLayersToIterate( aElem.layer ) )
 ConvertShapeBasedRegions6ToBoardItemOnLayer( aElem, klayer );
 }
 }
 else if( aElem.kind == ALTIUM_REGION_KIND::BOARD_CUTOUT )
 {
 ConvertShapeBasedRegions6ToBoardItemOnLayer( aElem, Edge_Cuts );
 }
 else
 {
 wxLogError( _( "Ignored polygon shape of kind %d (not yet supported)." ), aElem.kind );
 }
}
 
 
void ALTIUM_PCB::ConvertShapeBasedRegions6ToFootprintItem( FOOTPRINT* aFootprint,
 const AREGION6& aElem,
 const int aPrimitiveIndex )
{
 if( aElem.kind == ALTIUM_REGION_KIND::POLYGON_CUTOUT || aElem.is_keepout )
 {
 SHAPE_LINE_CHAIN linechain;
 HelperShapeLineChainFromAltiumVertices( linechain, aElem.outline );
 
 if( linechain.PointCount() < 3 )
 {
 // We have found multiple Altium files with polygon records containing nothing but
 // two coincident vertices. These polygons do not appear when opening the file in
 // Altium. https://gitlab.com/kicad/code/kicad/-/issues/8183
 // Also, polygons with less than 3 points are not supported in KiCad.
 return;
 }
 
 ZONE* zone = new ZONE( aFootprint );
 aFootprint->Add( zone, ADD_MODE::APPEND );
 
 zone->SetIsRuleArea( true );
 
 if( aElem.is_keepout )
 {
 HelperSetZoneKeepoutRestrictions( zone, aElem.keepoutrestrictions );
 }
 else if( aElem.kind == ALTIUM_REGION_KIND::POLYGON_CUTOUT )
 {
 zone->SetDoNotAllowCopperPour( true );
 zone->SetDoNotAllowVias( false );
 zone->SetDoNotAllowTracks( false );
 zone->SetDoNotAllowPads( false );
 zone->SetDoNotAllowFootprints( false );
 }
 
 zone->SetPosition( aElem.outline.at( 0 ).position );
 zone->Outline()->AddOutline( linechain );
 
 HelperSetZoneLayers( zone, aElem.layer );
 
 zone->SetBorderDisplayStyle( ZONE_BORDER_DISPLAY_STYLE::DIAGONAL_EDGE,
 ZONE::GetDefaultHatchPitch(), true );
 }
 else if( aElem.kind == ALTIUM_REGION_KIND::COPPER )
 {
 if( aElem.subpolyindex == ALTIUM_POLYGON_NONE )
 {
 for( PCB_LAYER_ID klayer : GetKicadLayersToIterate( aElem.layer ) )
 {
 ConvertShapeBasedRegions6ToFootprintItemOnLayer( aFootprint, aElem, klayer,
 aPrimitiveIndex );
 }
 }
 }
 else if( aElem.kind == ALTIUM_REGION_KIND::DASHED_OUTLINE
 || aElem.kind == ALTIUM_REGION_KIND::BOARD_CUTOUT )
 {
 PCB_LAYER_ID klayer = aElem.kind == ALTIUM_REGION_KIND::BOARD_CUTOUT
 ? Edge_Cuts
 : GetKicadLayer( aElem.layer );
 
 if( klayer == UNDEFINED_LAYER )
 {
 wxLogWarning(
 _( "Dashed outline found on an Altium layer (%d) with no KiCad equivalent. "
 "It has been moved to KiCad layer Eco1_User." ),
 aElem.layer );
 klayer = Eco1_User;
 }
 
 SHAPE_LINE_CHAIN linechain;
 HelperShapeLineChainFromAltiumVertices( linechain, aElem.outline );
 
 if( linechain.PointCount() < 3 )
 {
 // We have found multiple Altium files with polygon records containing nothing but
 // two coincident vertices. These polygons do not appear when opening the file in
 // Altium. https://gitlab.com/kicad/code/kicad/-/issues/8183
 // Also, polygons with less than 3 points are not supported in KiCad.
 return;
 }
 
 PCB_SHAPE* shape = new PCB_SHAPE( aFootprint, SHAPE_T::POLY );
 
 shape->SetPolyShape( linechain );
 shape->SetFilled( false );
 shape->SetLayer( klayer );
 
 if( aElem.kind == ALTIUM_REGION_KIND::DASHED_OUTLINE )
 shape->SetStroke( STROKE_PARAMS( pcbIUScale.mmToIU( 0.1 ), PLOT_DASH_TYPE::DASH ) );
 else
 shape->SetStroke( STROKE_PARAMS( pcbIUScale.mmToIU( 0.1 ), PLOT_DASH_TYPE::SOLID ) );
 
 aFootprint->Add( shape, ADD_MODE::APPEND );
 }
 else
 {
 wxLogError( _( "Ignored polygon shape of kind %d (not yet supported)." ), aElem.kind );
 }
}
 
 
void ALTIUM_PCB::ConvertShapeBasedRegions6ToBoardItemOnLayer( const AREGION6& aElem,
 PCB_LAYER_ID aLayer )
{
 SHAPE_LINE_CHAIN linechain;
 HelperShapeLineChainFromAltiumVertices( linechain, aElem.outline );
 
 if( linechain.PointCount() < 3 )
 {
 // We have found multiple Altium files with polygon records containing nothing
 // but two coincident vertices. These polygons do not appear when opening the
 // file in Altium. https://gitlab.com/kicad/code/kicad/-/issues/8183
 // Also, polygons with less than 3 points are not supported in KiCad.
 return;
 }
 
 SHAPE_POLY_SET polySet;
 polySet.AddOutline( linechain );
 
 for( const std::vector<ALTIUM_VERTICE>& hole : aElem.holes )
 {
 SHAPE_LINE_CHAIN hole_linechain;
 HelperShapeLineChainFromAltiumVertices( hole_linechain, hole );
 
 if( hole_linechain.PointCount() < 3 )
 continue;
 
 polySet.AddHole( hole_linechain );
 }
 
 PCB_SHAPE* shape = new PCB_SHAPE( m_board, SHAPE_T::POLY );
 
 shape->SetPolyShape( polySet );
 shape->SetFilled( true );
 shape->SetLayer( aLayer );
 shape->SetStroke( STROKE_PARAMS( 0 ) );
 
 if( IsCopperLayer( aLayer ) && aElem.net != ALTIUM_NET_UNCONNECTED )
 {
 shape->SetNetCode( GetNetCode( aElem.net ) );
 }
 
 m_board->Add( shape, ADD_MODE::APPEND );
}
 
 
void ALTIUM_PCB::ConvertShapeBasedRegions6ToFootprintItemOnLayer( FOOTPRINT* aFootprint,
 const AREGION6& aElem,
 PCB_LAYER_ID aLayer,
 const int aPrimitiveIndex )
{
 SHAPE_LINE_CHAIN linechain;
 HelperShapeLineChainFromAltiumVertices( linechain, aElem.outline );
 
 if( linechain.PointCount() < 3 )
 {
 // We have found multiple Altium files with polygon records containing nothing
 // but two coincident vertices. These polygons do not appear when opening the
 // file in Altium. https://gitlab.com/kicad/code/kicad/-/issues/8183
 // Also, polygons with less than 3 points are not supported in KiCad.
 return;
 }
 
 SHAPE_POLY_SET polySet;
 polySet.AddOutline( linechain );
 
 for( const std::vector<ALTIUM_VERTICE>& hole : aElem.holes )
 {
 SHAPE_LINE_CHAIN hole_linechain;
 HelperShapeLineChainFromAltiumVertices( hole_linechain, hole );
 
 if( hole_linechain.PointCount() < 3 )
 continue;
 
 polySet.AddHole( hole_linechain );
 }
 
 if( aLayer == F_Cu || aLayer == B_Cu )
 {
 PAD* pad = new PAD( aFootprint );
 
 LSET padLayers;
 padLayers.set( aLayer );
 
 pad->SetKeepTopBottom( false ); // TODO: correct? This seems to be KiCad default on import
 pad->SetAttribute( PAD_ATTRIB::SMD );
 pad->SetShape( PAD_SHAPE::CUSTOM );
 
 int anchorSize = 1;
 VECTOR2I anchorPos = linechain.CPoint( 0 );
 
 pad->SetShape( PAD_SHAPE::CUSTOM );
 pad->SetAnchorPadShape( PAD_SHAPE::CIRCLE );
 pad->SetSize( { anchorSize, anchorSize } );
 pad->SetPosition( anchorPos );
 
 SHAPE_POLY_SET shapePolys = polySet;
 shapePolys.Move( -anchorPos );
 pad->AddPrimitivePoly( shapePolys, 0, true );
 
 auto& map = m_extendedPrimitiveInformationMaps[ALTIUM_RECORD::REGION];
 auto it = map.find( aPrimitiveIndex );
 
 if( it != map.end() )
 {
 const AEXTENDED_PRIMITIVE_INFORMATION& info = it->second;
 
 if( info.pastemaskexpansionmode == ALTIUM_MODE::MANUAL )
 {
 pad->SetLocalSolderPasteMargin(
 info.pastemaskexpansionmanual ? info.pastemaskexpansionmanual : 1 );
 }
 
 if( info.soldermaskexpansionmode == ALTIUM_MODE::MANUAL )
 {
 pad->SetLocalSolderMaskMargin(
 info.soldermaskexpansionmanual ? info.soldermaskexpansionmanual : 1 );
 }
 
 if( info.pastemaskexpansionmode != ALTIUM_MODE::NONE )
 padLayers.set( aLayer == F_Cu ? F_Paste : B_Paste );
 
 if( info.soldermaskexpansionmode != ALTIUM_MODE::NONE )
 padLayers.set( aLayer == F_Cu ? F_Mask : B_Mask );
 }
 
 pad->SetLayerSet( padLayers );
 
 aFootprint->Add( pad, ADD_MODE::APPEND );
 }
 else
 {
 PCB_SHAPE* shape = new PCB_SHAPE( aFootprint, SHAPE_T::POLY );
 
 shape->SetPolyShape( polySet );
 shape->SetFilled( true );
 shape->SetLayer( aLayer );
 shape->SetStroke( STROKE_PARAMS( 0 ) );
 
 aFootprint->Add( shape, ADD_MODE::APPEND );
 }
}
 
 
void ALTIUM_PCB::ParseRegions6Data( const ALTIUM_COMPOUND_FILE& aAltiumPcbFile,
 const CFB::COMPOUND_FILE_ENTRY* aEntry )
{
 if( m_progressReporter )
 m_progressReporter->Report( _( "Loading zone fills..." ) );
 
 ALTIUM_PARSER reader( aAltiumPcbFile, aEntry );
 
 for( ZONE* zone : m_polygons )
 {
 if( zone )
 zone->UnFill(); // just to be sure
 }
 
 while( reader.GetRemainingBytes() >= 4 /* TODO: use Header section of file */ )
 {
 checkpoint();
 AREGION6 elem( reader, false );
 
 if( elem.subpolyindex != ALTIUM_POLYGON_NONE )
 {
 if( m_polygons.size() <= elem.subpolyindex )
 {
 THROW_IO_ERROR( wxString::Format( "Region stream tries to access polygon id %d "
 "of %d existing polygons.",
 elem.subpolyindex,
 m_polygons.size() ) );
 }
 
 ZONE *zone = m_polygons.at( elem.subpolyindex );
 
 if( zone == nullptr )
 {
 continue; // we know the zone id, but because we do not know the layer we did not
 // add it!
 }
 
 PCB_LAYER_ID klayer = GetKicadLayer( elem.layer );
 
 if( klayer == UNDEFINED_LAYER )
 continue; // Just skip it for now. Users can fill it themselves.
 
 SHAPE_LINE_CHAIN linechain;
 
 for( const ALTIUM_VERTICE& vertice : elem.outline )
 linechain.Append( vertice.position );
 
 linechain.Append( elem.outline.at( 0 ).position );
 linechain.SetClosed( true );
 
 SHAPE_POLY_SET fill;
 fill.AddOutline( linechain );
 
 for( const std::vector<ALTIUM_VERTICE>& hole : elem.holes )
 {
 SHAPE_LINE_CHAIN hole_linechain;
 
 for( const ALTIUM_VERTICE& vertice : hole )
 hole_linechain.Append( vertice.position );
 
 hole_linechain.Append( hole.at( 0 ).position );
 hole_linechain.SetClosed( true );
 fill.AddHole( hole_linechain );
 }
 
 if( zone->HasFilledPolysForLayer( klayer ) )
 fill.BooleanAdd( *zone->GetFill( klayer ), SHAPE_POLY_SET::PM_STRICTLY_SIMPLE );
 
 fill.Fracture( SHAPE_POLY_SET::PM_STRICTLY_SIMPLE );
 
 zone->SetFilledPolysList( klayer, fill );
 zone->SetIsFilled( true );
 zone->SetNeedRefill( false );
 }
 }
 
 if( reader.GetRemainingBytes() != 0 )
 THROW_IO_ERROR( wxT( "Regions6 stream is not fully parsed" ) );
}
 
 
void ALTIUM_PCB::ParseArcs6Data( const ALTIUM_COMPOUND_FILE& aAltiumPcbFile,
 const CFB::COMPOUND_FILE_ENTRY* aEntry )
{
 if( m_progressReporter )
 m_progressReporter->Report( _( "Loading arcs..." ) );
 
 ALTIUM_PARSER reader( aAltiumPcbFile, aEntry );
 
 for( int primitiveIndex = 0; reader.GetRemainingBytes() >= 4; primitiveIndex++ )
 {
 checkpoint();
 AARC6 elem( reader );
 
 if( elem.component == ALTIUM_COMPONENT_NONE )
 {
 ConvertArcs6ToBoardItem( elem, primitiveIndex );
 }
 else
 {
 FOOTPRINT* footprint = HelperGetFootprint( elem.component );
 ConvertArcs6ToFootprintItem( footprint, elem, primitiveIndex, true );
 }
 }
 
 if( reader.GetRemainingBytes() != 0 )
 THROW_IO_ERROR( "Arcs6 stream is not fully parsed" );
}
 
 
void ALTIUM_PCB::ConvertArcs6ToPcbShape( const AARC6& aElem, PCB_SHAPE* aShape )
{
 if( aElem.startangle == 0. && aElem.endangle == 360. )
 {
 aShape->SetShape( SHAPE_T::CIRCLE );
 
 // TODO: other variants to define circle?
 aShape->SetStart( aElem.center );
 aShape->SetEnd( aElem.center - VECTOR2I( 0, aElem.radius ) );
 }
 else
 {
 aShape->SetShape( SHAPE_T::ARC );
 
 EDA_ANGLE includedAngle( aElem.endangle - aElem.startangle, DEGREES_T );
 EDA_ANGLE startAngle( aElem.endangle, DEGREES_T );
 
 VECTOR2I startOffset = VECTOR2I( KiROUND( startAngle.Cos() * aElem.radius ),
 -KiROUND( startAngle.Sin() * aElem.radius ) );
 
 aShape->SetCenter( aElem.center );
 aShape->SetStart( aElem.center + startOffset );
 aShape->SetArcAngleAndEnd( includedAngle.Normalize(), true );
 }
}
 
 
void ALTIUM_PCB::ConvertArcs6ToBoardItem( const AARC6& aElem, const int aPrimitiveIndex )
{
 if( aElem.is_polygonoutline || aElem.subpolyindex != ALTIUM_POLYGON_NONE )
 return;
 
 if( aElem.is_keepout || aElem.layer == ALTIUM_LAYER::KEEP_OUT_LAYER
 || IsAltiumLayerAPlane( aElem.layer ) )
 {
 // This is not the actual board item. We can use it to create the polygon for the region
 PCB_SHAPE shape( nullptr );
 
 ConvertArcs6ToPcbShape( aElem, &shape );
 shape.SetStroke( STROKE_PARAMS( aElem.width, PLOT_DASH_TYPE::SOLID ) );
 
 HelperPcpShapeAsBoardKeepoutRegion( shape, aElem.layer, aElem.keepoutrestrictions );
 }
 else
 {
 for( PCB_LAYER_ID klayer : GetKicadLayersToIterate( aElem.layer ) )
 ConvertArcs6ToBoardItemOnLayer( aElem, klayer );
 }
 
 for( const auto& layerExpansionMask :
 HelperGetSolderAndPasteMaskExpansions( ALTIUM_RECORD::ARC, aPrimitiveIndex, aElem.layer ) )
 {
 int width = aElem.width + ( layerExpansionMask.second * 2 );
 
 if( width > 1 )
 {
 PCB_SHAPE* arc = new PCB_SHAPE( m_board );
 
 ConvertArcs6ToPcbShape( aElem, arc );
 arc->SetStroke( STROKE_PARAMS( width, PLOT_DASH_TYPE::SOLID ) );
 arc->SetLayer( layerExpansionMask.first );
 
 m_board->Add( arc, ADD_MODE::APPEND );
 }
 }
}
 
 
void ALTIUM_PCB::ConvertArcs6ToFootprintItem( FOOTPRINT* aFootprint, const AARC6& aElem,
 const int aPrimitiveIndex, const bool aIsBoardImport )
{
 if( aElem.is_polygonoutline || aElem.subpolyindex != ALTIUM_POLYGON_NONE )
 return;
 
 if( aElem.is_keepout || aElem.layer == ALTIUM_LAYER::KEEP_OUT_LAYER
 || IsAltiumLayerAPlane( aElem.layer ) )
 {
 // This is not the actual board item. We can use it to create the polygon for the region
 PCB_SHAPE shape( nullptr );
 
 ConvertArcs6ToPcbShape( aElem, &shape );
 shape.SetStroke( STROKE_PARAMS( aElem.width, PLOT_DASH_TYPE::SOLID ) );
 
 HelperPcpShapeAsFootprintKeepoutRegion( aFootprint, shape, aElem.layer,
 aElem.keepoutrestrictions );
 }
 else
 {
 for( PCB_LAYER_ID klayer : GetKicadLayersToIterate( aElem.layer ) )
 {
 if( aIsBoardImport && IsCopperLayer( klayer ) && aElem.net != ALTIUM_NET_UNCONNECTED )
 {
 // Special case: do to not lose net connections in footprints
 ConvertArcs6ToBoardItemOnLayer( aElem, klayer );
 }
 else
 {
 ConvertArcs6ToFootprintItemOnLayer( aFootprint, aElem, klayer );
 }
 }
 }
 
 for( const auto& layerExpansionMask :
 HelperGetSolderAndPasteMaskExpansions( ALTIUM_RECORD::ARC, aPrimitiveIndex, aElem.layer ) )
 {
 int width = aElem.width + ( layerExpansionMask.second * 2 );
 
 if( width > 1 )
 {
 PCB_SHAPE* arc = new PCB_SHAPE( aFootprint );
 
 ConvertArcs6ToPcbShape( aElem, arc );
 arc->SetStroke( STROKE_PARAMS( width, PLOT_DASH_TYPE::SOLID ) );
 arc->SetLayer( layerExpansionMask.first );
 
 aFootprint->Add( arc, ADD_MODE::APPEND );
 }
 }
}
 
 
void ALTIUM_PCB::ConvertArcs6ToBoardItemOnLayer( const AARC6& aElem, PCB_LAYER_ID aLayer )
{
 if( IsCopperLayer( aLayer ) && aElem.net != ALTIUM_NET_UNCONNECTED )
 {
 // TODO: This is not the actual board item. We use it for now to calculate the arc points. This could be improved!
 PCB_SHAPE shape( nullptr, SHAPE_T::ARC );
 
 EDA_ANGLE includedAngle( aElem.endangle - aElem.startangle, DEGREES_T );
 EDA_ANGLE startAngle( aElem.endangle, DEGREES_T );
 
 VECTOR2I startOffset = VECTOR2I( KiROUND( startAngle.Cos() * aElem.radius ),
 -KiROUND( startAngle.Sin() * aElem.radius ) );
 
 shape.SetCenter( aElem.center );
 shape.SetStart( aElem.center + startOffset );
 shape.SetArcAngleAndEnd( includedAngle.Normalize(), true );
 
 // Create actual arc
 SHAPE_ARC shapeArc( shape.GetCenter(), shape.GetStart(), shape.GetArcAngle(), aElem.width );
 PCB_ARC* arc = new PCB_ARC( m_board, &shapeArc );
 
 arc->SetWidth( aElem.width );
 arc->SetLayer( aLayer );
 arc->SetNetCode( GetNetCode( aElem.net ) );
 
 m_board->Add( arc, ADD_MODE::APPEND );
 }
 else
 {
 PCB_SHAPE* arc = new PCB_SHAPE( m_board );
 
 ConvertArcs6ToPcbShape( aElem, arc );
 arc->SetStroke( STROKE_PARAMS( aElem.width, PLOT_DASH_TYPE::SOLID ) );
 arc->SetLayer( aLayer );
 
 m_board->Add( arc, ADD_MODE::APPEND );
 }
}
 
 
void ALTIUM_PCB::ConvertArcs6ToFootprintItemOnLayer( FOOTPRINT* aFootprint, const AARC6& aElem,
 PCB_LAYER_ID aLayer )
{
 PCB_SHAPE* arc = new PCB_SHAPE( aFootprint );
 
 ConvertArcs6ToPcbShape( aElem, arc );
 arc->SetStroke( STROKE_PARAMS( aElem.width, PLOT_DASH_TYPE::SOLID ) );
 arc->SetLayer( aLayer );
 
 aFootprint->Add( arc, ADD_MODE::APPEND );
}
 
 
void ALTIUM_PCB::ParsePads6Data( const ALTIUM_COMPOUND_FILE& aAltiumPcbFile,
 const CFB::COMPOUND_FILE_ENTRY* aEntry )
{
 if( m_progressReporter )
 m_progressReporter->Report( _( "Loading pads..." ) );
 
 ALTIUM_PARSER reader( aAltiumPcbFile, aEntry );
 
 while( reader.GetRemainingBytes() >= 4 /* TODO: use Header section of file */ )
 {
 checkpoint();
 APAD6 elem( reader );
 
 if( elem.component == ALTIUM_COMPONENT_NONE )
 {
 ConvertPads6ToBoardItem( elem );
 }
 else
 {
 FOOTPRINT* footprint = HelperGetFootprint( elem.component );
 ConvertPads6ToFootprintItem( footprint, elem );
 }
 }
 
 if( reader.GetRemainingBytes() != 0 )
 THROW_IO_ERROR( wxT( "Pads6 stream is not fully parsed" ) );
}
 
 
void ALTIUM_PCB::ConvertPads6ToBoardItem( const APAD6& aElem )
{
 // It is possible to place altium pads on non-copper layers -> we need to interpolate them using drawings!
 if( !IsAltiumLayerCopper( aElem.layer ) && !IsAltiumLayerAPlane( aElem.layer )
 && aElem.layer != ALTIUM_LAYER::MULTI_LAYER )
 {
 ConvertPads6ToBoardItemOnNonCopper( aElem );
 }
 else
 {
 // We cannot add a pad directly into the PCB
 FOOTPRINT* footprint = new FOOTPRINT( m_board );
 footprint->SetPosition( aElem.position );
 
 ConvertPads6ToFootprintItemOnCopper( footprint, aElem );
 
 m_board->Add( footprint, ADD_MODE::APPEND );
 }
}
 
 
void ALTIUM_PCB::ConvertPads6ToFootprintItem( FOOTPRINT* aFootprint, const APAD6& aElem )
{
 // It is possible to place altium pads on non-copper layers -> we need to interpolate them using drawings!
 if( !IsAltiumLayerCopper( aElem.layer ) && !IsAltiumLayerAPlane( aElem.layer )
 && aElem.layer != ALTIUM_LAYER::MULTI_LAYER )
 {
 ConvertPads6ToFootprintItemOnNonCopper( aFootprint, aElem );
 }
 else
 {
 ConvertPads6ToFootprintItemOnCopper( aFootprint, aElem );
 }
}
 
 
void ALTIUM_PCB::ConvertPads6ToFootprintItemOnCopper( FOOTPRINT* aFootprint, const APAD6& aElem )
{
 PAD* pad = new PAD( aFootprint );
 
 pad->SetKeepTopBottom( false ); // TODO: correct? This seems to be KiCad default on import
 
 pad->SetNumber( aElem.name );
 pad->SetNetCode( GetNetCode( aElem.net ) );
 
 pad->SetPosition( aElem.position );
 pad->SetOrientationDegrees( aElem.direction );
 pad->SetSize( aElem.topsize );
 
 if( aElem.holesize == 0 )
 {
 pad->SetAttribute( PAD_ATTRIB::SMD );
 }
 else
 {
 if( aElem.layer != ALTIUM_LAYER::MULTI_LAYER )
 {
 // TODO: I assume other values are possible as well?
 wxLogError( _( "Footprint %s pad %s is not marked as multilayer, but is a TH pad." ),
 aFootprint->GetReference(),
 aElem.name );
 }
 
 pad->SetAttribute( aElem.plated ? PAD_ATTRIB::PTH : PAD_ATTRIB::NPTH );
 
 if( !aElem.sizeAndShape || aElem.sizeAndShape->holeshape == ALTIUM_PAD_HOLE_SHAPE::ROUND )
 {
 pad->SetDrillShape( PAD_DRILL_SHAPE_T::PAD_DRILL_SHAPE_CIRCLE );
 pad->SetDrillSize( VECTOR2I( aElem.holesize, aElem.holesize ) );
 }
 else
 {
 switch( aElem.sizeAndShape->holeshape )
 {
 case ALTIUM_PAD_HOLE_SHAPE::ROUND:
 wxFAIL_MSG( wxT( "Round holes are handled before the switch" ) );
 break;
 
 case ALTIUM_PAD_HOLE_SHAPE::SQUARE:
 wxLogWarning( _( "Footprint %s pad %s has a square hole (not yet supported)." ),
 aFootprint->GetReference(),
 aElem.name );
 
 pad->SetDrillShape( PAD_DRILL_SHAPE_T::PAD_DRILL_SHAPE_CIRCLE );
 pad->SetDrillSize( VECTOR2I( aElem.holesize, aElem.holesize ) ); // Workaround
 // TODO: elem.sizeAndShape->slotsize was 0 in testfile. Either use holesize in
 // this case or rect holes have a different id
 break;
 
 case ALTIUM_PAD_HOLE_SHAPE::SLOT:
 {
 pad->SetDrillShape( PAD_DRILL_SHAPE_T::PAD_DRILL_SHAPE_OBLONG );
 EDA_ANGLE slotRotation( aElem.sizeAndShape->slotrotation, DEGREES_T );
 
 slotRotation.Normalize();
 
 if( slotRotation.IsHorizontal() )
 {
 pad->SetDrillSize( VECTOR2I( aElem.sizeAndShape->slotsize, aElem.holesize ) );
 }
 else if( slotRotation.IsVertical() )
 {
 pad->SetDrillSize( VECTOR2I( aElem.holesize, aElem.sizeAndShape->slotsize ) );
 }
 else
 {
 wxLogWarning( _( "Footprint %s pad %s has a hole-rotation of %f degrees. "
 "KiCad only supports 90 degree rotations." ),
 aFootprint->GetReference(),
 aElem.name,
 slotRotation.AsDegrees() );
 }
 
 break;
 }
 
 default:
 case ALTIUM_PAD_HOLE_SHAPE::UNKNOWN:
 wxLogError( _( "Footprint %s pad %s uses a hole of unknown kind %d." ),
 aFootprint->GetReference(),
 aElem.name,
 aElem.sizeAndShape->holeshape );
 
 pad->SetDrillShape( PAD_DRILL_SHAPE_T::PAD_DRILL_SHAPE_CIRCLE );
 pad->SetDrillSize( VECTOR2I( aElem.holesize, aElem.holesize ) ); // Workaround
 break;
 }
 }
 
 if( aElem.sizeAndShape )
 pad->SetOffset( aElem.sizeAndShape->holeoffset[0] );
 }
 
 if( aElem.padmode != ALTIUM_PAD_MODE::SIMPLE )
 {
 wxLogError( _( "Footprint %s pad %s uses a complex pad stack (not yet supported.)" ),
 aFootprint->GetReference(), aElem.name );
 }
 
 switch( aElem.topshape )
 {
 case ALTIUM_PAD_SHAPE::RECT:
 pad->SetShape( PAD_SHAPE::RECTANGLE );
 break;
 
 case ALTIUM_PAD_SHAPE::CIRCLE:
 if( aElem.sizeAndShape
 && aElem.sizeAndShape->alt_shape[0] == ALTIUM_PAD_SHAPE_ALT::ROUNDRECT )
 {
 pad->SetShape( PAD_SHAPE::ROUNDRECT ); // 100 = round, 0 = rectangular
 double ratio = aElem.sizeAndShape->cornerradius[0] / 200.;
 pad->SetRoundRectRadiusRatio( ratio );
 }
 else if( aElem.topsize.x == aElem.topsize.y )
 {
 pad->SetShape( PAD_SHAPE::CIRCLE );
 }
 else
 {
 pad->SetShape( PAD_SHAPE::OVAL );
 }
 
 break;
 
 case ALTIUM_PAD_SHAPE::OCTAGONAL:
 pad->SetShape( PAD_SHAPE::CHAMFERED_RECT );
 pad->SetChamferPositions( RECT_CHAMFER_ALL );
 pad->SetChamferRectRatio( 0.25 );
 break;
 
 case ALTIUM_PAD_SHAPE::UNKNOWN:
 default:
 wxLogError( _( "Footprint %s pad %s uses an unknown pad-shape." ),
 aFootprint->GetReference(), aElem.name );
 break;
 }
 
 if( pad->GetAttribute() == PAD_ATTRIB::NPTH && pad->HasHole() )
 {
 // KiCad likes NPTH pads to be the same size & shape as their holes
 pad->SetShape( pad->GetDrillShape() == PAD_DRILL_SHAPE_CIRCLE ? PAD_SHAPE::CIRCLE
 : PAD_SHAPE::OVAL );
 pad->SetSize( pad->GetDrillSize() );
 }
 
 switch( aElem.layer )
 {
 case ALTIUM_LAYER::TOP_LAYER:
 pad->SetLayer( F_Cu );
 pad->SetLayerSet( PAD::SMDMask() );
 break;
 
 case ALTIUM_LAYER::BOTTOM_LAYER:
 pad->SetLayer( B_Cu );
 pad->SetLayerSet( FlipLayerMask( PAD::SMDMask() ) );
 break;
 
 case ALTIUM_LAYER::MULTI_LAYER:
 pad->SetLayerSet( aElem.plated ? PAD::PTHMask() : PAD::UnplatedHoleMask() );
 break;
 
 default:
 PCB_LAYER_ID klayer = GetKicadLayer( aElem.layer );
 pad->SetLayer( klayer );
 pad->SetLayerSet( LSET( 1, klayer ) );
 break;
 }
 
 if( aElem.pastemaskexpansionmode == ALTIUM_MODE::MANUAL )
 pad->SetLocalSolderPasteMargin( aElem.pastemaskexpansionmanual );
 
 if( aElem.soldermaskexpansionmode == ALTIUM_MODE::MANUAL )
 pad->SetLocalSolderMaskMargin( aElem.soldermaskexpansionmanual );
 
 if( aElem.is_tent_top )
 pad->SetLayerSet( pad->GetLayerSet().reset( F_Mask ) );
 
 if( aElem.is_tent_bottom )
 pad->SetLayerSet( pad->GetLayerSet().reset( B_Mask ) );
 
 aFootprint->Add( pad, ADD_MODE::APPEND );
}
 
 
void ALTIUM_PCB::ConvertPads6ToBoardItemOnNonCopper( const APAD6& aElem )
{
 PCB_LAYER_ID klayer = GetKicadLayer( aElem.layer );
 
 if( klayer == UNDEFINED_LAYER )
 {
 wxLogWarning( _( "Non-copper pad %s found on an Altium layer (%d) with no KiCad "
 "equivalent. It has been moved to KiCad layer Eco1_User." ),
 aElem.name, aElem.layer );
 klayer = Eco1_User;
 }
 
 PCB_SHAPE* pad = new PCB_SHAPE( m_board );
 
 HelperParsePad6NonCopper( aElem, klayer, pad );
 
 m_board->Add( pad, ADD_MODE::APPEND );
}
 
 
void ALTIUM_PCB::ConvertPads6ToFootprintItemOnNonCopper( FOOTPRINT* aFootprint, const APAD6& aElem )
{
 PCB_LAYER_ID klayer = GetKicadLayer( aElem.layer );
 
 if( klayer == UNDEFINED_LAYER )
 {
 wxLogWarning(
 _( "Non-copper pad %s found on an Altium layer (%d) with no KiCad equivalent. "
 "It has been moved to KiCad layer Eco1_User." ),
 aElem.name, aElem.layer );
 klayer = Eco1_User;
 }
 
 PCB_SHAPE* pad = new PCB_SHAPE( aFootprint );
 
 HelperParsePad6NonCopper( aElem, klayer, pad );
 
 aFootprint->Add( pad, ADD_MODE::APPEND );
}
 
 
void ALTIUM_PCB::HelperParsePad6NonCopper( const APAD6& aElem, PCB_LAYER_ID aLayer,
 PCB_SHAPE* aShape )
{
 if( aElem.net != ALTIUM_NET_UNCONNECTED )
 {
 wxLogError( _( "Non-copper pad %s is connected to a net, which is not supported." ),
 aElem.name );
 }
 
 if( aElem.holesize != 0 )
 {
 wxLogError( _( "Non-copper pad %s has a hole, which is not supported." ), aElem.name );
 }
 
 if( aElem.padmode != ALTIUM_PAD_MODE::SIMPLE )
 {
 wxLogWarning( _( "Non-copper pad %s has a complex pad stack (not yet supported)." ),
 aElem.name );
 }
 
 switch( aElem.topshape )
 {
 case ALTIUM_PAD_SHAPE::RECT:
 {
 // filled rect
 aShape->SetShape( SHAPE_T::POLY );
 aShape->SetFilled( true );
 aShape->SetLayer( aLayer );
 aShape->SetStroke( STROKE_PARAMS( 0 ) );
 
 aShape->SetPolyPoints(
 { aElem.position + VECTOR2I( aElem.topsize.x / 2, aElem.topsize.y / 2 ),
 aElem.position + VECTOR2I( aElem.topsize.x / 2, -aElem.topsize.y / 2 ),
 aElem.position + VECTOR2I( -aElem.topsize.x / 2, -aElem.topsize.y / 2 ),
 aElem.position + VECTOR2I( -aElem.topsize.x / 2, aElem.topsize.y / 2 ) } );
 
 if( aElem.direction != 0 )
 aShape->Rotate( aElem.position, EDA_ANGLE( aElem.direction, DEGREES_T ) );
 }
 break;
 
 case ALTIUM_PAD_SHAPE::CIRCLE:
 if( aElem.sizeAndShape
 && aElem.sizeAndShape->alt_shape[0] == ALTIUM_PAD_SHAPE_ALT::ROUNDRECT )
 {
 // filled roundrect
 int cornerradius = aElem.sizeAndShape->cornerradius[0];
 int offset = ( std::min( aElem.topsize.x, aElem.topsize.y ) * cornerradius ) / 200;
 
 aShape->SetLayer( aLayer );
 aShape->SetStroke( STROKE_PARAMS( offset * 2, PLOT_DASH_TYPE::SOLID ) );
 
 if( cornerradius < 100 )
 {
 int offsetX = aElem.topsize.x / 2 - offset;
 int offsetY = aElem.topsize.y / 2 - offset;
 
 VECTOR2I p11 = aElem.position + VECTOR2I( offsetX, offsetY );
 VECTOR2I p12 = aElem.position + VECTOR2I( offsetX, -offsetY );
 VECTOR2I p22 = aElem.position + VECTOR2I( -offsetX, -offsetY );
 VECTOR2I p21 = aElem.position + VECTOR2I( -offsetX, offsetY );
 
 aShape->SetShape( SHAPE_T::POLY );
 aShape->SetFilled( true );
 aShape->SetPolyPoints( { p11, p12, p22, p21 } );
 }
 else if( aElem.topsize.x == aElem.topsize.y )
 {
 // circle
 aShape->SetShape( SHAPE_T::CIRCLE );
 aShape->SetFilled( true );
 aShape->SetStart( aElem.position );
 aShape->SetEnd( aElem.position - VECTOR2I( 0, aElem.topsize.x / 4 ) );
 aShape->SetStroke( STROKE_PARAMS( aElem.topsize.x / 2, PLOT_DASH_TYPE::SOLID ) );
 }
 else if( aElem.topsize.x < aElem.topsize.y )
 {
 // short vertical line
 aShape->SetShape( SHAPE_T::SEGMENT );
 VECTOR2I pointOffset( 0, ( aElem.topsize.y - aElem.topsize.x ) / 2 );
 aShape->SetStart( aElem.position + pointOffset );
 aShape->SetEnd( aElem.position - pointOffset );
 }
 else
 {
 // short horizontal line
 aShape->SetShape( SHAPE_T::SEGMENT );
 VECTOR2I pointOffset( ( aElem.topsize.x - aElem.topsize.y ) / 2, 0 );
 aShape->SetStart( aElem.position + pointOffset );
 aShape->SetEnd( aElem.position - pointOffset );
 }
 
 if( aElem.direction != 0 )
 aShape->Rotate( aElem.position, EDA_ANGLE( aElem.direction, DEGREES_T ) );
 }
 else if( aElem.topsize.x == aElem.topsize.y )
 {
 // filled circle
 aShape->SetShape( SHAPE_T::CIRCLE );
 aShape->SetFilled( true );
 aShape->SetLayer( aLayer );
 aShape->SetStart( aElem.position );
 aShape->SetEnd( aElem.position - VECTOR2I( 0, aElem.topsize.x / 4 ) );
 aShape->SetStroke( STROKE_PARAMS( aElem.topsize.x / 2, PLOT_DASH_TYPE::SOLID ) );
 }
 else
 {
 // short line
 aShape->SetShape( SHAPE_T::SEGMENT );
 aShape->SetLayer( aLayer );
 aShape->SetStroke( STROKE_PARAMS( std::min( aElem.topsize.x, aElem.topsize.y ),
 PLOT_DASH_TYPE::SOLID ) );
 
 if( aElem.topsize.x < aElem.topsize.y )
 {
 VECTOR2I offset( 0, ( aElem.topsize.y - aElem.topsize.x ) / 2 );
 aShape->SetStart( aElem.position + offset );
 aShape->SetEnd( aElem.position - offset );
 }
 else
 {
 VECTOR2I offset( ( aElem.topsize.x - aElem.topsize.y ) / 2, 0 );
 aShape->SetStart( aElem.position + offset );
 aShape->SetEnd( aElem.position - offset );
 }
 
 if( aElem.direction != 0 )
 aShape->Rotate( aElem.position, EDA_ANGLE( aElem.direction, DEGREES_T ) );
 }
 break;
 
 case ALTIUM_PAD_SHAPE::OCTAGONAL:
 {
 // filled octagon
 aShape->SetShape( SHAPE_T::POLY );
 aShape->SetFilled( true );
 aShape->SetLayer( aLayer );
 aShape->SetStroke( STROKE_PARAMS( 0 ) );
 
 VECTOR2I p11 = aElem.position + VECTOR2I( aElem.topsize.x / 2, aElem.topsize.y / 2 );
 VECTOR2I p12 = aElem.position + VECTOR2I( aElem.topsize.x / 2, -aElem.topsize.y / 2 );
 VECTOR2I p22 = aElem.position + VECTOR2I( -aElem.topsize.x / 2, -aElem.topsize.y / 2 );
 VECTOR2I p21 = aElem.position + VECTOR2I( -aElem.topsize.x / 2, aElem.topsize.y / 2 );
 
 int chamfer = std::min( aElem.topsize.x, aElem.topsize.y ) / 4;
 VECTOR2I chamferX( chamfer, 0 );
 VECTOR2I chamferY( 0, chamfer );
 
 aShape->SetPolyPoints( { p11 - chamferX, p11 - chamferY, p12 + chamferY, p12 - chamferX,
 p22 + chamferX, p22 + chamferY, p21 - chamferY, p21 + chamferX } );
 
 if( aElem.direction != 0. )
 aShape->Rotate( aElem.position, EDA_ANGLE( aElem.direction, DEGREES_T ) );
 }
 break;
 
 case ALTIUM_PAD_SHAPE::UNKNOWN:
 default:
 wxLogError( _( "Non-copper pad %s uses an unknown pad-shape." ), aElem.name );
 break;
 }
}
 
 
void ALTIUM_PCB::ParseVias6Data( const ALTIUM_COMPOUND_FILE& aAltiumPcbFile,
 const CFB::COMPOUND_FILE_ENTRY* aEntry )
{
 if( m_progressReporter )
 m_progressReporter->Report( _( "Loading vias..." ) );
 
 ALTIUM_PARSER reader( aAltiumPcbFile, aEntry );
 
 while( reader.GetRemainingBytes() >= 4 /* TODO: use Header section of file */ )
 {
 checkpoint();
 AVIA6 elem( reader );
 
 PCB_VIA* via = new PCB_VIA( m_board );
 m_board->Add( via, ADD_MODE::APPEND );
 
 via->SetPosition( elem.position );
 via->SetWidth( elem.diameter );
 via->SetDrill( elem.holesize );
 via->SetNetCode( GetNetCode( elem.net ) );
 via->SetLocked( elem.is_locked );
 
 bool start_layer_outside = elem.layer_start == ALTIUM_LAYER::TOP_LAYER
 || elem.layer_start == ALTIUM_LAYER::BOTTOM_LAYER;
 bool end_layer_outside = elem.layer_end == ALTIUM_LAYER::TOP_LAYER
 || elem.layer_end == ALTIUM_LAYER::BOTTOM_LAYER;
 
 if( start_layer_outside && end_layer_outside )
 {
 via->SetViaType( VIATYPE::THROUGH );
 }
 else if( ( !start_layer_outside ) && ( !end_layer_outside ) )
 {
 via->SetViaType( VIATYPE::BLIND_BURIED );
 }
 else
 {
 via->SetViaType( VIATYPE::MICROVIA ); // TODO: always a microvia?
 }
 
 PCB_LAYER_ID start_klayer = GetKicadLayer( elem.layer_start );
 PCB_LAYER_ID end_klayer = GetKicadLayer( elem.layer_end );
 
 if( !IsCopperLayer( start_klayer ) || !IsCopperLayer( end_klayer ) )
 {
 wxLogError( _( "Via from layer %d to %d uses a non-copper layer, which is not "
 "supported." ),
 elem.layer_start,
 elem.layer_end );
 continue; // just assume through-hole instead.
 }
 
 // we need VIATYPE set!
 via->SetLayerPair( start_klayer, end_klayer );
 }
 
 if( reader.GetRemainingBytes() != 0 )
 THROW_IO_ERROR( wxT( "Vias6 stream is not fully parsed" ) );
}
 
void ALTIUM_PCB::ParseTracks6Data( const ALTIUM_COMPOUND_FILE& aAltiumPcbFile,
 const CFB::COMPOUND_FILE_ENTRY* aEntry )
{
 if( m_progressReporter )
 m_progressReporter->Report( _( "Loading tracks..." ) );
 
 ALTIUM_PARSER reader( aAltiumPcbFile, aEntry );
 
 for( int primitiveIndex = 0; reader.GetRemainingBytes() >= 4; primitiveIndex++ )
 {
 checkpoint();
 ATRACK6 elem( reader );
 
 if( elem.component == ALTIUM_COMPONENT_NONE )
 {
 ConvertTracks6ToBoardItem( elem, primitiveIndex );
 }
 else
 {
 FOOTPRINT* footprint = HelperGetFootprint( elem.component );
 ConvertTracks6ToFootprintItem( footprint, elem, primitiveIndex, true );
 }
 }
 
 if( reader.GetRemainingBytes() != 0 )
 THROW_IO_ERROR( "Tracks6 stream is not fully parsed" );
}
 
 
void ALTIUM_PCB::ConvertTracks6ToBoardItem( const ATRACK6& aElem, const int aPrimitiveIndex )
{
 if( aElem.is_polygonoutline || aElem.subpolyindex != ALTIUM_POLYGON_NONE )
 return;
 
 if( aElem.is_keepout || aElem.layer == ALTIUM_LAYER::KEEP_OUT_LAYER
 || IsAltiumLayerAPlane( aElem.layer ) )
 {
 // This is not the actual board item. We can use it to create the polygon for the region
 PCB_SHAPE shape( nullptr, SHAPE_T::SEGMENT );
 shape.SetStart( aElem.start );
 shape.SetEnd( aElem.end );
 shape.SetStroke( STROKE_PARAMS( aElem.width, PLOT_DASH_TYPE::SOLID ) );
 
 HelperPcpShapeAsBoardKeepoutRegion( shape, aElem.layer, aElem.keepoutrestrictions );
 }
 else
 {
 for( PCB_LAYER_ID klayer : GetKicadLayersToIterate( aElem.layer ) )
 ConvertTracks6ToBoardItemOnLayer( aElem, klayer );
 }
 
 for( const auto& layerExpansionMask : HelperGetSolderAndPasteMaskExpansions(
 ALTIUM_RECORD::TRACK, aPrimitiveIndex, aElem.layer ) )
 {
 int width = aElem.width + ( layerExpansionMask.second * 2 );
 if( width > 1 )
 {
 PCB_SHAPE* seg = new PCB_SHAPE( m_board, SHAPE_T::SEGMENT );
 
 seg->SetStart( aElem.start );
 seg->SetEnd( aElem.end );
 seg->SetStroke( STROKE_PARAMS( width, PLOT_DASH_TYPE::SOLID ) );
 seg->SetLayer( layerExpansionMask.first );
 
 m_board->Add( seg, ADD_MODE::APPEND );
 }
 }
}
 
 
void ALTIUM_PCB::ConvertTracks6ToFootprintItem( FOOTPRINT* aFootprint, const ATRACK6& aElem,
 const int aPrimitiveIndex,
 const bool aIsBoardImport )
{
 if( aElem.is_polygonoutline || aElem.subpolyindex != ALTIUM_POLYGON_NONE )
 return;
 
 if( aElem.is_keepout || aElem.layer == ALTIUM_LAYER::KEEP_OUT_LAYER
 || IsAltiumLayerAPlane( aElem.layer ) )
 {
 // This is not the actual board item. We can use it to create the polygon for the region
 PCB_SHAPE shape( nullptr, SHAPE_T::SEGMENT );
 shape.SetStart( aElem.start );
 shape.SetEnd( aElem.end );
 shape.SetStroke( STROKE_PARAMS( aElem.width, PLOT_DASH_TYPE::SOLID ) );
 
 HelperPcpShapeAsFootprintKeepoutRegion( aFootprint, shape, aElem.layer,
 aElem.keepoutrestrictions );
 }
 else
 {
 for( PCB_LAYER_ID klayer : GetKicadLayersToIterate( aElem.layer ) )
 {
 if( aIsBoardImport && IsCopperLayer( klayer ) && aElem.net != ALTIUM_NET_UNCONNECTED )
 {
 // Special case: do to not lose net connections in footprints
 ConvertTracks6ToBoardItemOnLayer( aElem, klayer );
 }
 else
 {
 ConvertTracks6ToFootprintItemOnLayer( aFootprint, aElem, klayer );
 }
 }
 }
 
 for( const auto& layerExpansionMask : HelperGetSolderAndPasteMaskExpansions(
 ALTIUM_RECORD::TRACK, aPrimitiveIndex, aElem.layer ) )
 {
 int width = aElem.width + ( layerExpansionMask.second * 2 );
 if( width > 1 )
 {
 PCB_SHAPE* seg = new PCB_SHAPE( aFootprint, SHAPE_T::SEGMENT );
 
 seg->SetStart( aElem.start );
 seg->SetEnd( aElem.end );
 seg->SetStroke( STROKE_PARAMS( width, PLOT_DASH_TYPE::SOLID ) );
 seg->SetLayer( layerExpansionMask.first );
 
 aFootprint->Add( seg, ADD_MODE::APPEND );
 }
 }
}
 
 
void ALTIUM_PCB::ConvertTracks6ToBoardItemOnLayer( const ATRACK6& aElem, PCB_LAYER_ID aLayer )
{
 if( IsCopperLayer( aLayer ) && aElem.net != ALTIUM_NET_UNCONNECTED )
 {
 PCB_TRACK* track = new PCB_TRACK( m_board );
 
 track->SetStart( aElem.start );
 track->SetEnd( aElem.end );
 track->SetWidth( aElem.width );
 track->SetLayer( aLayer );
 track->SetNetCode( GetNetCode( aElem.net ) );
 
 m_board->Add( track, ADD_MODE::APPEND );
 }
 else
 {
 PCB_SHAPE* seg = new PCB_SHAPE( m_board, SHAPE_T::SEGMENT );
 
 seg->SetStart( aElem.start );
 seg->SetEnd( aElem.end );
 seg->SetStroke( STROKE_PARAMS( aElem.width, PLOT_DASH_TYPE::SOLID ) );
 seg->SetLayer( aLayer );
 
 m_board->Add( seg, ADD_MODE::APPEND );
 }
}
 
 
void ALTIUM_PCB::ConvertTracks6ToFootprintItemOnLayer( FOOTPRINT* aFootprint, const ATRACK6& aElem,
 PCB_LAYER_ID aLayer )
{
 PCB_SHAPE* seg = new PCB_SHAPE( aFootprint, SHAPE_T::SEGMENT );
 
 seg->SetStart( aElem.start );
 seg->SetEnd( aElem.end );
 seg->SetStroke( STROKE_PARAMS( aElem.width, PLOT_DASH_TYPE::SOLID ) );
 seg->SetLayer( aLayer );
 
 aFootprint->Add( seg, ADD_MODE::APPEND );
}
 
 
void ALTIUM_PCB::ParseWideStrings6Data( const ALTIUM_COMPOUND_FILE& aAltiumPcbFile,
 const CFB::COMPOUND_FILE_ENTRY* aEntry )
{
 if( m_progressReporter )
 m_progressReporter->Report( _( "Loading unicode strings..." ) );
 
 ALTIUM_PARSER reader( aAltiumPcbFile, aEntry );
 
 m_unicodeStrings = reader.ReadWideStringTable();
 
 if( reader.GetRemainingBytes() != 0 )
 THROW_IO_ERROR( wxT( "WideStrings6 stream is not fully parsed" ) );
}
 
void ALTIUM_PCB::ParseTexts6Data( const ALTIUM_COMPOUND_FILE& aAltiumPcbFile,
 const CFB::COMPOUND_FILE_ENTRY* aEntry )
{
 if( m_progressReporter )
 m_progressReporter->Report( _( "Loading text..." ) );
 
 ALTIUM_PARSER reader( aAltiumPcbFile, aEntry );
 
 while( reader.GetRemainingBytes() >= 4 /* TODO: use Header section of file */ )
 {
 checkpoint();
 ATEXT6 elem( reader, m_unicodeStrings );
 
 if( elem.component == ALTIUM_COMPONENT_NONE )
 {
 ConvertTexts6ToBoardItem( elem );
 }
 else
 {
 FOOTPRINT* footprint = HelperGetFootprint( elem.component );
 ConvertTexts6ToFootprintItem( footprint, elem );
 }
 }
 
 if( reader.GetRemainingBytes() != 0 )
 THROW_IO_ERROR( wxT( "Texts6 stream is not fully parsed" ) );
}
 
 
void ALTIUM_PCB::ConvertTexts6ToBoardItem( const ATEXT6& aElem )
{
 if( aElem.fonttype == ALTIUM_TEXT_TYPE::BARCODE )
 {
 wxLogError( _( "Ignored barcode on Altium layer %d (not yet supported)." ), aElem.layer );
 return;
 }
 
 for( PCB_LAYER_ID klayer : GetKicadLayersToIterate( aElem.layer ) )
 ConvertTexts6ToBoardItemOnLayer( aElem, klayer );
}
 
 
void ALTIUM_PCB::ConvertTexts6ToFootprintItem( FOOTPRINT* aFootprint, const ATEXT6& aElem )
{
 if( aElem.fonttype == ALTIUM_TEXT_TYPE::BARCODE )
 {
 wxLogError( _( "Ignored barcode on Altium layer %d (not yet supported)." ), aElem.layer );
 return;
 }
 
 for( PCB_LAYER_ID klayer : GetKicadLayersToIterate( aElem.layer ) )
 ConvertTexts6ToFootprintItemOnLayer( aFootprint, aElem, klayer );
}
 
 
void ALTIUM_PCB::ConvertTexts6ToBoardItemOnLayer( const ATEXT6& aElem, PCB_LAYER_ID aLayer )
{
 PCB_TEXT* pcbText = new PCB_TEXT( m_board );
 
 // TODO: improve parsing of variables
 wxString trimmedText = aElem.text;
 trimmedText.Trim();
 
 if( trimmedText.CmpNoCase( wxT( ".Layer_Name" ) ) == 0 )
 pcbText->SetText( wxT( "${LAYER}" ) );
 else
 pcbText->SetText( aElem.text );
 
 pcbText->SetLayer( aLayer );
 pcbText->SetPosition( aElem.position );
 pcbText->SetTextAngle( EDA_ANGLE( aElem.rotation, DEGREES_T ) );
 
 ConvertTexts6ToEdaTextSettings( aElem, pcbText );
 
 m_board->Add( pcbText, ADD_MODE::APPEND );
}
 
 
void ALTIUM_PCB::ConvertTexts6ToFootprintItemOnLayer( FOOTPRINT* aFootprint, const ATEXT6& aElem,
 PCB_LAYER_ID aLayer )
{
 PCB_TEXT* fpText;
 
 if( aElem.isDesignator )
 {
 fpText = &aFootprint->Reference(); // TODO: handle multiple layers
 }
 else if( aElem.isComment )
 {
 fpText = &aFootprint->Value(); // TODO: handle multiple layers
 }
 else
 {
 fpText = new PCB_TEXT( aFootprint );
 aFootprint->Add( fpText, ADD_MODE::APPEND );
 }
 
 // TODO: improve parsing of variables
 wxString trimmedText = aElem.text;
 trimmedText.Trim();
 
 if( !aElem.isDesignator && trimmedText.CmpNoCase( wxT( ".Designator" ) ) == 0 )
 fpText->SetText( wxT( "${REFERENCE}" ) );
 else if( !aElem.isComment && trimmedText.CmpNoCase( wxT( ".Comment" ) ) == 0 )
 fpText->SetText( wxT( "${VALUE}" ) );
 else if( trimmedText.CmpNoCase( wxT( ".Layer_Name" ) ) == 0 )
 fpText->SetText( wxT( "${LAYER}" ) );
 else
 fpText->SetText( aElem.text );
 
 fpText->SetKeepUpright( false );
 fpText->SetLayer( aLayer );
 fpText->SetPosition( aElem.position );
 fpText->SetTextAngle( EDA_ANGLE( aElem.rotation, DEGREES_T ) );
 
 ConvertTexts6ToEdaTextSettings( aElem, fpText );
}
 
 
void ALTIUM_PCB::ConvertTexts6ToEdaTextSettings( const ATEXT6& aElem, EDA_TEXT* aEdaText )
{
 aEdaText->SetTextSize( VECTOR2I( aElem.height, aElem.height ) ); // TODO: parse text width
 
 if( aElem.fonttype == ALTIUM_TEXT_TYPE::TRUETYPE )
 {
 KIFONT::FONT* font = KIFONT::FONT::GetFont( aElem.fontname, aElem.isBold, aElem.isItalic );
 aEdaText->SetFont( font );
 
 if( font->IsOutline() )
 {
 // TODO: why is this required? Somehow, truetype size is calculated differently
 if( font->GetName().Contains( wxS( "Arial" ) ) )
 aEdaText->SetTextSize( VECTOR2I( aElem.height * 0.63, aElem.height * 0.63 ) );
 else
 aEdaText->SetTextSize( VECTOR2I( aElem.height * 0.5, aElem.height * 0.5 ) );
 }
 }
 
 aEdaText->SetTextThickness( aElem.strokewidth );
 aEdaText->SetBold( aElem.isBold );
 aEdaText->SetItalic( aElem.isItalic );
 aEdaText->SetMirrored( aElem.isMirrored );
 
 // Altium position always specifies the bottom left corner
 aEdaText->SetHorizJustify( GR_TEXT_H_ALIGN_LEFT );
 aEdaText->SetVertJustify( GR_TEXT_V_ALIGN_BOTTOM );
 
 // TODO: correct the position and set proper justification
}
 
 
void ALTIUM_PCB::ParseFills6Data( const ALTIUM_COMPOUND_FILE& aAltiumPcbFile,
 const CFB::COMPOUND_FILE_ENTRY* aEntry )
{
 if( m_progressReporter )
 m_progressReporter->Report( _( "Loading rectangles..." ) );
 
 ALTIUM_PARSER reader( aAltiumPcbFile, aEntry );
 
 while( reader.GetRemainingBytes() >= 4 /* TODO: use Header section of file */ )
 {
 checkpoint();
 AFILL6 elem( reader );
 
 if( elem.component == ALTIUM_COMPONENT_NONE )
 {
 ConvertFills6ToBoardItem( elem );
 }
 else
 {
 FOOTPRINT* footprint = HelperGetFootprint( elem.component );
 ConvertFills6ToFootprintItem( footprint, elem, true );
 }
 }
 
 if( reader.GetRemainingBytes() != 0 )
 THROW_IO_ERROR( "Fills6 stream is not fully parsed" );
}
 
 
void ALTIUM_PCB::ConvertFills6ToBoardItem( const AFILL6& aElem )
{
 if( aElem.is_keepout || aElem.layer == ALTIUM_LAYER::KEEP_OUT_LAYER )
 {
 // This is not the actual board item. We can use it to create the polygon for the region
 PCB_SHAPE shape( nullptr, SHAPE_T::RECTANGLE );
 
 shape.SetStart( aElem.pos1 );
 shape.SetEnd( aElem.pos2 );
 shape.SetFilled( true );
 shape.SetStroke( STROKE_PARAMS( 0, PLOT_DASH_TYPE::SOLID ) );
 
 if( aElem.rotation != 0. )
 {
 VECTOR2I center( ( aElem.pos1.x + aElem.pos2.x ) / 2,
 ( aElem.pos1.y + aElem.pos2.y ) / 2 );
 shape.Rotate( center, EDA_ANGLE( aElem.rotation, DEGREES_T ) );
 }
 
 HelperPcpShapeAsBoardKeepoutRegion( shape, aElem.layer, aElem.keepoutrestrictions );
 }
 else
 {
 for( PCB_LAYER_ID klayer : GetKicadLayersToIterate( aElem.layer ) )
 ConvertFills6ToBoardItemOnLayer( aElem, klayer );
 }
}
 
 
void ALTIUM_PCB::ConvertFills6ToFootprintItem( FOOTPRINT* aFootprint, const AFILL6& aElem,
 const bool aIsBoardImport )
{
 if( aElem.is_keepout
 || aElem.layer == ALTIUM_LAYER::KEEP_OUT_LAYER ) // TODO: what about plane layers?
 {
 // This is not the actual board item. We can use it to create the polygon for the region
 PCB_SHAPE shape( nullptr, SHAPE_T::RECTANGLE );
 
 shape.SetStart( aElem.pos1 );
 shape.SetEnd( aElem.pos2 );
 shape.SetFilled( true );
 shape.SetStroke( STROKE_PARAMS( 0, PLOT_DASH_TYPE::SOLID ) );
 
 if( aElem.rotation != 0. )
 {
 VECTOR2I center( ( aElem.pos1.x + aElem.pos2.x ) / 2,
 ( aElem.pos1.y + aElem.pos2.y ) / 2 );
 shape.Rotate( center, EDA_ANGLE( aElem.rotation, DEGREES_T ) );
 }
 
 HelperPcpShapeAsFootprintKeepoutRegion( aFootprint, shape, aElem.layer,
 aElem.keepoutrestrictions );
 }
 else if( aIsBoardImport && IsAltiumLayerCopper( aElem.layer )
 && aElem.net != ALTIUM_NET_UNCONNECTED )
 {
 // Special case: do to not lose net connections in footprints
 for( PCB_LAYER_ID klayer : GetKicadLayersToIterate( aElem.layer ) )
 ConvertFills6ToBoardItemOnLayer( aElem, klayer );
 }
 else
 {
 for( PCB_LAYER_ID klayer : GetKicadLayersToIterate( aElem.layer ) )
 ConvertFills6ToFootprintItemOnLayer( aFootprint, aElem, klayer );
 }
}
 
 
void ALTIUM_PCB::ConvertFills6ToBoardItemOnLayer( const AFILL6& aElem, PCB_LAYER_ID aLayer )
{
 PCB_SHAPE* fill = new PCB_SHAPE( m_board, SHAPE_T::RECTANGLE );
 
 fill->SetFilled( true );
 fill->SetLayer( aLayer );
 fill->SetStroke( STROKE_PARAMS( 0 ) );
 
 fill->SetStart( aElem.pos1 );
 fill->SetEnd( aElem.pos2 );
 
 if( IsCopperLayer( aLayer ) && aElem.net != ALTIUM_NET_UNCONNECTED )
 {
 fill->SetNetCode( GetNetCode( aElem.net ) );
 }
 
 if( aElem.rotation != 0. )
 {
 // TODO: Do we need SHAPE_T::POLY for non 90° rotations?
 VECTOR2I center( ( aElem.pos1.x + aElem.pos2.x ) / 2, ( aElem.pos1.y + aElem.pos2.y ) / 2 );
 fill->Rotate( center, EDA_ANGLE( aElem.rotation, DEGREES_T ) );
 }
 
 m_board->Add( fill, ADD_MODE::APPEND );
}
 
 
void ALTIUM_PCB::ConvertFills6ToFootprintItemOnLayer( FOOTPRINT* aFootprint, const AFILL6& aElem,
 PCB_LAYER_ID aLayer )
{
 PCB_SHAPE* fill = new PCB_SHAPE( aFootprint, SHAPE_T::RECTANGLE );
 
 fill->SetFilled( true );
 fill->SetLayer( aLayer );
 fill->SetStroke( STROKE_PARAMS( 0 ) );
 
 fill->SetStart( aElem.pos1 );
 fill->SetEnd( aElem.pos2 );
 
 if( aElem.rotation != 0. )
 {
 // TODO: Do we need SHAPE_T::POLY for non 90° rotations?
 VECTOR2I center( ( aElem.pos1.x + aElem.pos2.x ) / 2, ( aElem.pos1.y + aElem.pos2.y ) / 2 );
 fill->Rotate( center, EDA_ANGLE( aElem.rotation, DEGREES_T ) );
 }
 
 aFootprint->Add( fill, ADD_MODE::APPEND );
}
 
 
void ALTIUM_PCB::HelperSetZoneLayers( ZONE* aZone, const ALTIUM_LAYER aAltiumLayer )
{
 LSET layerSet;
 
 for( PCB_LAYER_ID klayer : GetKicadLayersToIterate( aAltiumLayer ) )
 layerSet.set( klayer );
 
 aZone->SetLayerSet( layerSet );
}
 
 
void ALTIUM_PCB::HelperSetZoneKeepoutRestrictions( ZONE* aZone, const uint8_t aKeepoutRestrictions )
{
 bool keepoutRestrictionVia = ( aKeepoutRestrictions & 0x01 ) != 0;
 bool keepoutRestrictionTrack = ( aKeepoutRestrictions & 0x02 ) != 0;
 bool keepoutRestrictionCopper = ( aKeepoutRestrictions & 0x04 ) != 0;
 bool keepoutRestrictionSMDPad = ( aKeepoutRestrictions & 0x08 ) != 0;
 bool keepoutRestrictionTHPad = ( aKeepoutRestrictions & 0x10 ) != 0;
 
 aZone->SetDoNotAllowVias( keepoutRestrictionVia );
 aZone->SetDoNotAllowTracks( keepoutRestrictionTrack );
 aZone->SetDoNotAllowCopperPour( keepoutRestrictionCopper );
 aZone->SetDoNotAllowPads( keepoutRestrictionSMDPad && keepoutRestrictionTHPad );
 aZone->SetDoNotAllowFootprints( false );
}
 
 
void ALTIUM_PCB::HelperPcpShapeAsBoardKeepoutRegion( const PCB_SHAPE& aShape,
 const ALTIUM_LAYER aAltiumLayer,
 const uint8_t aKeepoutRestrictions )
{
 ZONE* zone = new ZONE( m_board );
 
 zone->SetIsRuleArea( true );
 
 HelperSetZoneLayers( zone, aAltiumLayer );
 HelperSetZoneKeepoutRestrictions( zone, aKeepoutRestrictions );
 
 aShape.EDA_SHAPE::TransformShapeToPolygon( *zone->Outline(), 0, ARC_HIGH_DEF, ERROR_INSIDE );
 
 zone->SetBorderDisplayStyle( ZONE_BORDER_DISPLAY_STYLE::DIAGONAL_EDGE,
 ZONE::GetDefaultHatchPitch(), true );
 
 m_board->Add( zone, ADD_MODE::APPEND );
}
 
 
void ALTIUM_PCB::HelperPcpShapeAsFootprintKeepoutRegion( FOOTPRINT* aFootprint,
 const PCB_SHAPE& aShape,
 const ALTIUM_LAYER aAltiumLayer,
 const uint8_t aKeepoutRestrictions )
{
 ZONE* zone = new ZONE( aFootprint );
 
 zone->SetIsRuleArea( true );
 
 HelperSetZoneLayers( zone, aAltiumLayer );
 HelperSetZoneKeepoutRestrictions( zone, aKeepoutRestrictions );
 
 aShape.EDA_SHAPE::TransformShapeToPolygon( *zone->Outline(), 0, ARC_HIGH_DEF, ERROR_INSIDE );
 
 zone->SetBorderDisplayStyle( ZONE_BORDER_DISPLAY_STYLE::DIAGONAL_EDGE,
 ZONE::GetDefaultHatchPitch(), true );
 
 // TODO: zone->SetLocalCoord(); missing?
 aFootprint->Add( zone, ADD_MODE::APPEND );
}
 
 
std::vector<std::pair<PCB_LAYER_ID, int>> ALTIUM_PCB::HelperGetSolderAndPasteMaskExpansions(
 const ALTIUM_RECORD aType, const int aPrimitiveIndex, const ALTIUM_LAYER aAltiumLayer )
{
 if( m_extendedPrimitiveInformationMaps.count( aType ) == 0 )
 return {}; // there is nothing to parse
 
 auto elems =
 m_extendedPrimitiveInformationMaps[ALTIUM_RECORD::TRACK].equal_range( aPrimitiveIndex );
 
 if( elems.first == elems.second )
 return {}; // there is nothing to parse
 
 std::vector<std::pair<PCB_LAYER_ID, int>> layerExpansionPairs;
 
 for( auto it = elems.first; it != elems.second; ++it )
 {
 const AEXTENDED_PRIMITIVE_INFORMATION& pInf = it->second;
 
 if( pInf.type == AEXTENDED_PRIMITIVE_INFORMATION_TYPE::MASK )
 {
 if( pInf.soldermaskexpansionmode == ALTIUM_MODE::MANUAL
 || pInf.soldermaskexpansionmode == ALTIUM_MODE::RULE )
 {
 // TODO: what layers can lead to solder or paste mask usage? E.g. KEEP_OUT_LAYER and other top/bottom layers
 if( aAltiumLayer == ALTIUM_LAYER::TOP_LAYER
 || aAltiumLayer == ALTIUM_LAYER::MULTI_LAYER )
 {
 layerExpansionPairs.emplace_back( F_Mask, pInf.soldermaskexpansionmanual );
 }
 
 if( aAltiumLayer == ALTIUM_LAYER::BOTTOM_LAYER
 || aAltiumLayer == ALTIUM_LAYER::MULTI_LAYER )
 {
 layerExpansionPairs.emplace_back( B_Mask, pInf.soldermaskexpansionmanual );
 }
 }
 if( pInf.pastemaskexpansionmode == ALTIUM_MODE::MANUAL
 || pInf.pastemaskexpansionmode == ALTIUM_MODE::RULE )
 {
 if( aAltiumLayer == ALTIUM_LAYER::TOP_LAYER
 || aAltiumLayer == ALTIUM_LAYER::MULTI_LAYER )
 {
 layerExpansionPairs.emplace_back( F_Paste, pInf.pastemaskexpansionmanual );
 }
 
 if( aAltiumLayer == ALTIUM_LAYER::BOTTOM_LAYER
 || aAltiumLayer == ALTIUM_LAYER::MULTI_LAYER )
 {
 layerExpansionPairs.emplace_back( B_Paste, pInf.pastemaskexpansionmanual );
 }
 }
 }
 }
 
 return layerExpansionPairs;
}