cadstar_sch_archive_loader.cpp

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/*
 * This program source code file is part of KiCad, a free EDA CAD application.
 *
 * Copyright (C) 2020-2021 Roberto Fernandez Bautista <[email protected]>
 * Copyright (C) 2020-2023 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 3 of the License, or (at your
 * option) any later version.
 *
 * This program is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License along
 * with this program. If not, see <http://www.gnu.org/licenses/>.
 */
 
#include <sch_plugins/cadstar/cadstar_sch_archive_loader.h>
#include <plugins/cadstar/cadstar_parts_lib_parser.h>
 
#include <bus_alias.h>
#include <core/mirror.h>
#include <core/kicad_algo.h>
#include <eda_text.h>
#include <lib_shape.h>
#include <lib_text.h>
#include <macros.h>
#include <progress_reporter.h>
#include <string_utils.h>
#include <sch_bus_entry.h>
#include <sch_edit_frame.h> //SYMBOL_ORIENTATION_T
#include <sch_io_mgr.h>
#include <sch_junction.h>
#include <sch_line.h>
#include <sch_screen.h>
#include <sch_shape.h>
#include <sch_sheet.h>
#include <sch_sheet_path.h>
#include <sch_sheet_pin.h>
#include <sch_label.h>
#include <schematic.h>
#include <sim/sim_model.h>
#include <trigo.h>
#include <wildcards_and_files_ext.h>
 
 
const wxString PartNameFieldName = "Part Name";
const wxString PartNumberFieldName = "Part Number";
const wxString PartVersionFieldName = "Part Version";
const wxString PartAcceptanceFieldName = "Part Acceptance";
 
 
std::vector<LIB_SYMBOL*> CADSTAR_SCH_ARCHIVE_LOADER::LoadPartsLib( const wxString& aFilename )
{
 if( m_progressReporter )
 m_progressReporter->SetNumPhases( 3 ); // (0) Read csa, (1) Parse csa, (3) Load lib
 
 Parse();
 
 CADSTAR_PARTS_LIB_PARSER p;
 
 if( !p.CheckFileHeader( aFilename.utf8_string() ) )
 THROW_IO_ERROR(
 _( "The selected file does not appear to be a CADSTAR parts Library file" ) );
 
 // TODO: we could add progress reporting for reading .lib
 CADSTAR_PARTS_LIB_MODEL csLib = p.ReadFile( aFilename.utf8_string() );
 
 if( m_progressReporter )
 {
 m_progressReporter->BeginPhase( 2 );
 long numSteps = csLib.m_PartEntries.size();
 m_progressReporter->SetMaxProgress( numSteps );
 }
 
 std::vector<LIB_SYMBOL*> retVal;
 
 for( const CADSTAR_PART_ENTRY& part : csLib.m_PartEntries )
 {
 std::unique_ptr<LIB_SYMBOL> loadedPart = loadLibPart( part );
 
 checkPoint();
 
 if( loadedPart )
 retVal.push_back( loadedPart.release() );
 }
 
 return retVal;
}
 
 
std::unique_ptr<LIB_SYMBOL>
CADSTAR_SCH_ARCHIVE_LOADER::loadLibPart( const CADSTAR_PART_ENTRY& aPart )
{
 wxString escapedPartName = EscapeString( aPart.m_Name, CTX_LIBID );
 std::unique_ptr<LIB_SYMBOL> retSym;
 
 int unit = 0;
 
 for( const CADSTAR_PART_SYMBOL_ENTRY& sym : aPart.m_Symbols )
 {
 ++unit;
 wxString alternateName = sym.m_SymbolAlternateName.value_or( "" );
 SYMDEF_ID symbolID = getSymDefFromName( sym.m_SymbolName, alternateName );
 
 if( !Library.SymbolDefinitions.count( symbolID ) )
 {
 m_reporter->Report(
 wxString::Format( _( "Unable to find symbol %s, referenced by part %s. The "
 "part was not loaded." ),
 generateLibName( sym.m_SymbolName, alternateName ),
 aPart.m_Name ),
 RPT_SEVERITY_ERROR );
 
 return nullptr;
 }
 
 // Load the graphical symbol for this gate
 std::unique_ptr<LIB_SYMBOL> kiSymDef( loadSymdef( symbolID )->Duplicate() );
 
 if( (int)sym.m_Pins.size() != kiSymDef->GetPinCount() )
 {
 m_reporter->Report(
 wxString::Format( _( "Inconsistent pin numbers in symbol %s compared to the one "
 "defined in part %s. The part was not loaded." ),
 generateLibName( sym.m_SymbolName, alternateName ),
 aPart.m_Name ),
 RPT_SEVERITY_ERROR );
 
 return nullptr;
 }
 
 wxASSERT( m_symDefTerminalsMap.count( symbolID ) ); //loadSymDef should have populated this
 
 
 // Update the pin numbers to match those defined in the Cadstar part
 for( auto& [storedPinNum, termID] : m_symDefTerminalsMap[symbolID] )
 {
 wxCHECK( termID > 0 && sym.m_Pins.size() >= size_t( termID ), nullptr );
 LIB_PIN* pin = kiSymDef->GetPin( storedPinNum );
 size_t termIdx = size_t( termID ) - 1;
 
 // For now leave numerical pin number. Otherwise, when loading the
 // .cpa file we won't be able to link up to the footprint pads, but if
 // we solve this, we could then load alphanumeric pin numbers as below:
 //
 // if( aPart.m_PinNamesMap.count( termID ) )
 // partPinNum = wxString( aPart.m_PinNamesMap.at( termID ) );
 //
 wxString partPinNum = wxString::Format( "%ld", sym.m_Pins[termIdx].m_Identifier );
 pin->SetNumber( partPinNum );
 
 if( aPart.m_PinNamesMap.count( termID ) )
 pin->SetName( HandleTextOverbar( aPart.m_PinNamesMap.at( termID ) ) );
 else if( aPart.m_PinLabelsMap.count( termID ) )
 pin->SetName( HandleTextOverbar( aPart.m_PinLabelsMap.at( termID ) ) );
 
 pin->SetType( getKiCadPinType( sym.m_Pins[termIdx].m_Type ) );
 
 // @todo: Load pin/gate swapping information once kicad supports this
 }
 
 if( unit == 1 )
 {
 wxCHECK( kiSymDef->GetUnitCount() == 1, nullptr );
 // The first unit can just be moved to the part symbol
 retSym = std::move( kiSymDef );
 
 retSym->SetUnitCount( aPart.m_Symbols.size(), true );
 
 retSym->SetName( escapedPartName );
 retSym->GetReferenceField().SetText( aPart.m_ComponentStem );
 retSym->GetValueField().SetText( aPart.m_Value.value_or( "" ) );
 addNewFieldToSymbol( PartNameFieldName, retSym )->SetText( aPart.m_Name );
 retSym->SetDescription( aPart.m_Description.value_or( "" ) );
 
 auto addFieldIfHasValue =
 [&]( const wxString& aFieldName, const std::optional<std::string>& aFieldValue )
 {
 if( aFieldValue.has_value() )
 addNewFieldToSymbol( aFieldName, retSym )->SetText( aFieldValue.value() );
 };
 
 addFieldIfHasValue( PartNumberFieldName, aPart.m_Number );
 addFieldIfHasValue( PartVersionFieldName, aPart.m_Version );
 addFieldIfHasValue( PartAcceptanceFieldName, aPart.m_AcceptancePartName );
 
 setFootprintOnSymbol( retSym, aPart.m_Pcb_component,
 aPart.m_Pcb_alternate.value_or( "" ) );
 
 if(aPart.m_SpiceModel.has_value())
 {
 wxString modelVal = wxString::Format( "model=\"%s\"", aPart.m_SpiceModel.value() );
 addNewFieldToSymbol( SIM_DEVICE_TYPE_FIELD, retSym )->SetText( "SPICE" );
 addNewFieldToSymbol( SIM_PARAMS_FIELD, retSym )->SetText( modelVal );
 }
 
 // Load all part attributes, regardless of original cadstar type, to the symbol
 
 // @todo some cadstar part attributes have a "read-only" flag. We should load this
 // when KiCad supports read-only fields.
 
 for( auto& [fieldName, value] : aPart.m_UserAttributes )
 addNewFieldToSymbol( fieldName, retSym )->SetText( value );
 
 for( auto& [fieldName, attrValue] : aPart.m_SchAttributes )
 addNewFieldToSymbol( fieldName, retSym )->SetText( attrValue.m_Value );
 
 for( auto& [fieldName, attrValue] : aPart.m_PcbAttributes )
 addNewFieldToSymbol( fieldName, retSym )->SetText( attrValue.m_Value );
 
 for( auto& [fieldName, attrValue] : aPart.m_SchAndPcbAttributes )
 addNewFieldToSymbol( fieldName, retSym )->SetText( attrValue.m_Value );
 
 for( auto& [fieldName, attrValue] : aPart.m_PartAttributes )
 addNewFieldToSymbol( fieldName, retSym )->SetText( attrValue.m_Value );
 
 // Load all hidden pins onto the first unit of the symbol in KiCad
 // We load them in a spiral sequence, starting at the center of the symbol BBOX
 VECTOR2I symCenter = retSym->GetBodyBoundingBox( unit, 0, false, false ).GetCenter();
 symCenter.y = -symCenter.y; // need to invert the y coord for lib symbols.
 
 VECTOR2I delta( 0, 1 );
 VECTOR2I direction( 0, -1 );
 int spacing = schIUScale.MilsToIU( 50 ); // for now, place on a 50mil grid
 
 for( auto& [signalName, csPinVector] : aPart.m_HiddenPins )
 {
 for( const CADSTAR_PART_PIN& csPin : csPinVector )
 {
 std::unique_ptr<LIB_PIN> pin = std::make_unique<LIB_PIN>( retSym.get() );
 
 long pinNum = csPin.m_Identifier;
 pin->SetNumber( wxString::Format( "%ld", pinNum ) );
 pin->SetName( signalName );
 pin->SetType( ELECTRICAL_PINTYPE::PT_POWER_IN );
 
 pin->SetVisible( false );
 
 // Generate the coordinate for the pin. We don't want overlapping pins
 // and ideally close to the center of the symbol, so we load pins
 // in a spiral sequence around the center
 if( delta.x == delta.y || ( delta.x < 0 && delta.x == -delta.y )
 || ( delta.x > 0 && delta.x == 1 - delta.y ) )
 {
 // change direction
 direction = { -direction.y, direction.x };
 }
 
 delta += direction;
 VECTOR2I offset = delta * spacing;
 pin->SetPosition( symCenter + offset );
 pin->SetLength( 0 ); //CADSTAR Pins are just a point (have no length)
 pin->SetShape( GRAPHIC_PINSHAPE::LINE );
 pin->SetUnit( unit );
 retSym->AddDrawItem( pin.release() );
 }
 }
 }
 else
 { // Source: Dest:
 copySymbolItems( kiSymDef, retSym, unit, false /* aOverrideFields */ );
 }
 
 
 retSym->SetShowPinNames( aPart.m_PinsVisible );
 retSym->SetShowPinNumbers( aPart.m_PinsVisible );
 }
 
 
 return retSym;
}
 
 
void CADSTAR_SCH_ARCHIVE_LOADER::copySymbolItems( std::unique_ptr<LIB_SYMBOL>& aSourceSym,
 std::unique_ptr<LIB_SYMBOL>& aDestSym,
 int aDestUnit, bool aOverrideFields )
{
 // Ensure there are no items on the unit we want to load onto
 for( LIB_ITEM* item : aDestSym->GetUnitDrawItems( aDestUnit, 0 /*aConvert*/ ) )
 aDestSym->RemoveDrawItem( item );
 
 // Copy all draw items
 for( LIB_ITEM* newItem : aSourceSym->GetUnitDrawItems( 1, 0 /*aConvert*/ ) )
 {
 LIB_ITEM* itemCopy = static_cast<LIB_ITEM*>( newItem->Clone() );
 itemCopy->SetParent( aDestSym.get() );
 itemCopy->SetUnit( aDestUnit );
 aDestSym->AddDrawItem( itemCopy );
 }
 
 //Copy / override all fields
 if( aOverrideFields )
 {
 std::vector<LIB_FIELD*> fieldsToCopy;
 aSourceSym->GetFields( fieldsToCopy );
 
 for( LIB_FIELD* templateField : fieldsToCopy )
 {
 LIB_FIELD* appliedField = addNewFieldToSymbol( templateField->GetName(), aDestSym );
 templateField->Copy( appliedField );
 }
 }
}
 
 
void CADSTAR_SCH_ARCHIVE_LOADER::Load( SCHEMATIC* aSchematic, SCH_SHEET* aRootSheet )
{
 wxCHECK( aSchematic, /* void */ );
 
 if( m_progressReporter )
 m_progressReporter->SetNumPhases( 3 ); // (0) Read file, (1) Parse file, (2) Load file
 
 Parse();
 
 checkDesignLimits(); // Throws if error found
 
 // Assume the center at 0,0 since we are going to be translating the design afterwards anyway
 m_designCenter = { 0, 0 };
 
 m_schematic = aSchematic;
 m_rootSheet = aRootSheet;
 
 if( m_progressReporter )
 {
 m_progressReporter->BeginPhase( 2 );
 long numSteps = 11; // one step for each of below functions + one at the end of import
 
 // Step 4 is by far the longest - add granularity in reporting
 numSteps += Parts.PartDefinitions.size();
 
 m_progressReporter->SetMaxProgress( numSteps );
 }
 
 loadTextVariables(); // Load text variables right at the start to ensure bounding box
 // calculations work correctly for text items
 checkPoint(); // Step 1
 loadSheets();
 checkPoint(); // Step 2
 loadHierarchicalSheetPins();
 checkPoint(); // Step 3
 loadPartsLibrary();
 checkPoint(); // Step 4, Subdivided into extra steps
 loadSchematicSymbolInstances();
 checkPoint(); // Step 5
 loadBusses();
 checkPoint(); // Step 6
 loadNets();
 checkPoint(); // Step 7
 loadFigures();
 checkPoint(); // Step 8
 loadTexts();
 checkPoint(); // Step 9
 loadDocumentationSymbols();
 checkPoint(); // Step 10
 
 if( Schematic.VariantHierarchy.Variants.size() > 0 )
 {
 m_reporter->Report( wxString::Format( _( "The CADSTAR design contains variants which has "
 "no KiCad equivalent. Only the master variant "
 "('%s') was loaded." ),
 Schematic.VariantHierarchy.Variants.at( "V0" ).Name ),
 RPT_SEVERITY_WARNING );
 }
 
 if( Schematic.Groups.size() > 0 )
 {
 m_reporter->Report( _( "The CADSTAR design contains grouped items which has no KiCad "
 "equivalent. Any grouped items have been ungrouped." ),
 RPT_SEVERITY_WARNING );
 }
 
 if( Schematic.ReuseBlocks.size() > 0 )
 {
 m_reporter->Report( _( "The CADSTAR design contains re-use blocks which has no KiCad "
 "equivalent. The re-use block information has been discarded during "
 "the import." ),
 RPT_SEVERITY_WARNING );
 }
 
 
 // For all sheets, center all elements and re calculate the page size:
 for( std::pair<LAYER_ID, SCH_SHEET*> sheetPair : m_sheetMap )
 {
 SCH_SHEET* sheet = sheetPair.second;
 
 // Calculate the new sheet size.
 BOX2I sheetBoundingBox;
 
 for( SCH_ITEM* item : sheet->GetScreen()->Items() )
 {
 BOX2I bbox;
 
 // Only use the visible fields of the symbols to calculate their bounding box
 // (hidden fields could be very long and artificially enlarge the sheet bounding box)
 if( item->Type() == SCH_SYMBOL_T )
 {
 SCH_SYMBOL* comp = static_cast<SCH_SYMBOL*>( item );
 bbox = comp->GetBodyAndPinsBoundingBox();
 
 for( const SCH_FIELD& field : comp->GetFields() )
 {
 if( field.IsVisible() )
 bbox.Merge( field.GetBoundingBox() );
 }
 }
 else if( item->Type() == SCH_TEXT_T )
 {
 SCH_TEXT* txtItem = static_cast<SCH_TEXT*>( item );
 wxString txt = txtItem->GetText();
 
 if( txt.Contains( "${" ) )
 continue; // We can't calculate bounding box of text items with variables
 else
 bbox = txtItem->GetBoundingBox();
 }
 else
 {
 bbox = item->GetBoundingBox();
 }
 
 sheetBoundingBox.Merge( bbox );
 }
 
 // Find the screen grid of the original CADSTAR design
 int grid = Assignments.Grids.ScreenGrid.Param1;
 
 if( Assignments.Grids.ScreenGrid.Type == GRID_TYPE::FRACTIONALGRID )
 grid = grid / Assignments.Grids.ScreenGrid.Param2;
 else if( Assignments.Grids.ScreenGrid.Param2 > grid )
 grid = Assignments.Grids.ScreenGrid.Param2;
 
 grid = getKiCadLength( grid );
 
 auto roundToNearestGrid =
 [&]( int aNumber ) -> int
 {
 int error = aNumber % grid;
 int absError = sign( error ) * error;
 
 if( absError > ( grid / 2 ) )
 return aNumber + ( sign( error ) * grid ) - error;
 else
 return aNumber - error;
 };
 
 // When exporting to pdf, CADSTAR applies a margin of 3% of the longest dimension (height
 // or width) to all 4 sides (top, bottom, left right). For the import, we are also rounding
 // the margin to the nearest grid, ensuring all items remain on the grid.
 VECTOR2I targetSheetSize = sheetBoundingBox.GetSize();
 int longestSide = std::max( targetSheetSize.x, targetSheetSize.y );
 int margin = ( (double) longestSide * 0.03 );
 margin = roundToNearestGrid( margin );
 targetSheetSize += margin * 2;
 
 // Update page size always
 PAGE_INFO pageInfo = sheet->GetScreen()->GetPageSettings();
 pageInfo.SetWidthMils( schIUScale.IUToMils( targetSheetSize.x ) );
 pageInfo.SetHeightMils( schIUScale.IUToMils( targetSheetSize.y ) );
 
 // Set the new sheet size.
 sheet->GetScreen()->SetPageSettings( pageInfo );
 
 VECTOR2I pageSizeIU = sheet->GetScreen()->GetPageSettings().GetSizeIU( schIUScale.IU_PER_MILS );
 VECTOR2I sheetcentre( pageSizeIU.x / 2, pageSizeIU.y / 2 );
 VECTOR2I itemsCentre = sheetBoundingBox.Centre();
 
 // round the translation to nearest point on the grid
 VECTOR2I translation = sheetcentre - itemsCentre;
 translation.x = roundToNearestGrid( translation.x );
 translation.y = roundToNearestGrid( translation.y );
 
 // Translate the items.
 std::vector<SCH_ITEM*> allItems;
 
 std::copy( sheet->GetScreen()->Items().begin(), sheet->GetScreen()->Items().end(),
 std::back_inserter( allItems ) );
 
 for( SCH_ITEM* item : allItems )
 {
 item->Move( translation );
 item->ClearFlags();
 sheet->GetScreen()->Update( item );
 }
 }
 
 checkPoint();
 
 m_reporter->Report( _( "CADSTAR fonts are different to the ones in KiCad. This will likely "
 "result in alignment issues. Please review the imported text elements "
 "carefully and correct manually if required." ),
 RPT_SEVERITY_WARNING );
 
 m_reporter->Report( _( "The CADSTAR design has been imported successfully.\n"
 "Please review the import errors and warnings (if any)." ) );
}
 
 
void CADSTAR_SCH_ARCHIVE_LOADER::checkDesignLimits()
{
 LONGPOINT designLimit = Assignments.Settings.DesignLimit;
 
 //Note: can't use getKiCadPoint() due VECTOR2I being int - need long long to make the check
 long long designSizeXkicad = (long long) designLimit.x / KiCadUnitDivider;
 long long designSizeYkicad = (long long) designLimit.y / KiCadUnitDivider;
 
 // Max size limited by the positive dimension of VECTOR2I (which is an int)
 constexpr long long maxDesignSizekicad = std::numeric_limits<int>::max();
 
 if( designSizeXkicad > maxDesignSizekicad || designSizeYkicad > maxDesignSizekicad )
 {
 THROW_IO_ERROR( wxString::Format(
 _( "The design is too large and cannot be imported into KiCad. \n"
 "Please reduce the maximum design size in CADSTAR by navigating to: \n"
 "Design Tab -> Properties -> Design Options -> Maximum Design Size. \n"
 "Current Design size: %.2f, %.2f millimeters. \n"
 "Maximum permitted design size: %.2f, %.2f millimeters.\n" ),
 (double) designSizeXkicad / SCH_IU_PER_MM,
 (double) designSizeYkicad / SCH_IU_PER_MM,
 (double) maxDesignSizekicad / SCH_IU_PER_MM,
 (double) maxDesignSizekicad / SCH_IU_PER_MM ) );
 }
}
 
 
void CADSTAR_SCH_ARCHIVE_LOADER::loadSheets()
{
 const std::vector<LAYER_ID>& orphanSheets = findOrphanSheets();
 SCH_SHEET_PATH rootPath;
 rootPath.push_back( m_rootSheet );
 rootPath.SetPageNumber( wxT( "1" ) );
 
 if( orphanSheets.size() > 1 )
 {
 int x = 1;
 int y = 1;
 
 for( LAYER_ID sheetID : orphanSheets )
 {
 VECTOR2I pos( x * schIUScale.MilsToIU( 1000 ), y * schIUScale.MilsToIU( 1000 ) );
 VECTOR2I siz( schIUScale.MilsToIU( 1000 ), schIUScale.MilsToIU( 1000 ) );
 
 loadSheetAndChildSheets( sheetID, pos, siz, rootPath );
 
 x += 2;
 
 if( x > 10 ) // start next row
 {
 x = 1;
 y += 2;
 }
 }
 }
 else if( orphanSheets.size() > 0 )
 {
 LAYER_ID rootSheetID = orphanSheets.at( 0 );
 
 wxFileName loadedFilePath = wxFileName( Filename );
 
 std::string filename = wxString::Format( "%s_%02d", loadedFilePath.GetName(),
 getSheetNumber( rootSheetID ) )
 .ToStdString();
 ReplaceIllegalFileNameChars( &filename );
 filename += wxT( "." ) + KiCadSchematicFileExtension;
 
 wxFileName fn( m_schematic->Prj().GetProjectPath() + filename );
 m_rootSheet->GetScreen()->SetFileName( fn.GetFullPath() );
 
 m_sheetMap.insert( { rootSheetID, m_rootSheet } );
 loadChildSheets( rootSheetID, rootPath );
 }
 else if( Header.Format.Type == "SYMBOL" )
 {
 THROW_IO_ERROR( _( "The selected file is a CADSTAR symbol library. It does not contain a "
 "schematic design so cannot be imported/opened in this way." ) );
 }
 else
 {
 THROW_IO_ERROR( _( "The CADSTAR schematic might be corrupt: there is no root sheet." ) );
 }
}
 
 
void CADSTAR_SCH_ARCHIVE_LOADER::loadHierarchicalSheetPins()
{
 for( std::pair<BLOCK_ID, BLOCK> blockPair : Schematic.Blocks )
 {
 BLOCK& block = blockPair.second;
 LAYER_ID sheetID = "";
 
 if( block.Type == BLOCK::TYPE::PARENT )
 sheetID = block.LayerID;
 else if( block.Type == BLOCK::TYPE::CHILD )
 sheetID = block.AssocLayerID;
 else
 continue;
 
 if( m_sheetMap.find( sheetID ) != m_sheetMap.end() )
 {
 SCH_SHEET* sheet = m_sheetMap.at( sheetID );
 
 for( std::pair<TERMINAL_ID, TERMINAL> termPair : block.Terminals )
 {
 TERMINAL term = termPair.second;
 wxString name = "YOU SHOULDN'T SEE THIS TEXT. THIS IS A BUG.";
 
 SCH_HIERLABEL* sheetPin = nullptr;
 
 if( block.Type == BLOCK::TYPE::PARENT )
 sheetPin = new SCH_HIERLABEL();
 else if( block.Type == BLOCK::TYPE::CHILD )
 sheetPin = new SCH_SHEET_PIN( sheet );
 
 sheetPin->SetText( name );
 sheetPin->SetShape( LABEL_FLAG_SHAPE::L_UNSPECIFIED );
 sheetPin->SetSpinStyle( getSpinStyle( term.OrientAngle, false ) );
 sheetPin->SetPosition( getKiCadPoint( term.Position ) );
 
 if( sheetPin->Type() == SCH_SHEET_PIN_T )
 sheet->AddPin( (SCH_SHEET_PIN*) sheetPin );
 else
 sheet->GetScreen()->Append( sheetPin );
 
 BLOCK_PIN_ID blockPinID = std::make_pair( block.ID, term.ID );
 m_sheetPinMap.insert( { blockPinID, sheetPin } );
 }
 }
 }
}
 
 
void CADSTAR_SCH_ARCHIVE_LOADER::loadPartsLibrary()
{
 for( std::pair<PART_ID, PART> partPair : Parts.PartDefinitions )
 {
 PART_ID partID = partPair.first;
 PART part = partPair.second;
 
 wxString escapedPartName = EscapeString( part.Name, CTX_LIBID );
 LIB_SYMBOL* kiSym = new LIB_SYMBOL( escapedPartName );
 
 kiSym->SetUnitCount( part.Definition.GateSymbols.size() );
 bool ok = true;
 
 for( std::pair<GATE_ID, PART::DEFINITION::GATE> gatePair : part.Definition.GateSymbols )
 {
 GATE_ID gateID = gatePair.first;
 PART::DEFINITION::GATE gate = gatePair.second;
 SYMDEF_ID symbolID = getSymDefFromName( gate.Name, gate.Alternate );
 
 if( symbolID.IsEmpty() )
 {
 m_reporter->Report( wxString::Format( _( "Part definition '%s' references symbol "
 "'%s' (alternate '%s') which could not be "
 "found in the symbol library. The part has "
 "not been loaded into the KiCad library." ),
 part.Name,
 gate.Name,
 gate.Alternate ),
 RPT_SEVERITY_WARNING);
 
 ok = false;
 break;
 }
 
 m_partSymbolsMap.insert( { { partID, gateID }, symbolID } );
 loadSymbolGateAndPartFields( symbolID, part, gateID, kiSym );
 }
 
 if( ok && part.Definition.GateSymbols.size() != 0 )
 {
 m_loadedSymbols.push_back( kiSym );
 }
 else
 {
 if( part.Definition.GateSymbols.size() == 0 )
 {
 m_reporter->Report(
 wxString::Format( _( "Part definition '%s' has an incomplete definition (no"
 " symbol definitions are associated with it). The part"
 " has not been loaded into the KiCad library." ),
 part.Name ),
 RPT_SEVERITY_WARNING );
 }
 
 // Don't save in the library, but still keep it cached as some of the units might have
 // been loaded correctly (saving us time later on), plus the part definition contains
 // the part name, which is important to load
 }
 
 m_partMap.insert( { partID, kiSym } );
 
 checkPoint();
 }
}
 
 
void CADSTAR_SCH_ARCHIVE_LOADER::loadSchematicSymbolInstances()
{
 for( std::pair<SYMBOL_ID, SYMBOL> symPair : Schematic.Symbols )
 {
 SYMBOL sym = symPair.second;
 
 if( !sym.VariantID.empty() && sym.VariantParentSymbolID != sym.ID )
 continue; // Only load master Variant
 
 if( sym.IsComponent )
 {
 if( m_partMap.find( sym.PartRef.RefID ) == m_partMap.end() )
 {
 m_reporter->Report( wxString::Format( _( "Symbol '%s' references part '%s' which "
 "could not be found in the library. The "
 "symbol was not loaded" ),
 sym.ComponentRef.Designator,
 sym.PartRef.RefID ),
 RPT_SEVERITY_ERROR );
 
 continue;
 }
 
 if( sym.GateID.IsEmpty() )
 sym.GateID = wxT( "A" ); // Assume Gate "A" if unspecified
 
 PART_GATE_ID partSymbolID = { sym.PartRef.RefID, sym.GateID };
 LIB_SYMBOL* kiSym = m_partMap.at( sym.PartRef.RefID );
 bool copy = false;
 
 // The symbol definition in the part either does not exist for this gate number
 // or is different to the symbol instance. We need to reload the gate for this
 // symbol
 if( m_partSymbolsMap.find( partSymbolID ) == m_partSymbolsMap.end()
 || m_partSymbolsMap.at( partSymbolID ) != sym.SymdefID )
 {
 kiSym = new LIB_SYMBOL( *kiSym ); // Make a copy
 copy = true;
 const PART& part = Parts.PartDefinitions.at( sym.PartRef.RefID );
 loadSymbolGateAndPartFields( sym.SymdefID, part, sym.GateID, kiSym );
 }
 
 LIB_SYMBOL* scaledPart = getScaledLibPart( kiSym, sym.ScaleRatioNumerator,
 sym.ScaleRatioDenominator );
 
 EDA_ANGLE symOrient = ANGLE_0;
 SCH_SYMBOL* symbol = loadSchematicSymbol( sym, *scaledPart, symOrient );
 
 delete scaledPart;
 
 if( copy )
 delete kiSym;
 
 SCH_FIELD* refField = symbol->GetField( REFERENCE_FIELD );
 
 sym.ComponentRef.Designator.Replace( wxT( "\n" ), wxT( "\\n" ) );
 sym.ComponentRef.Designator.Replace( wxT( "\r" ), wxT( "\\r" ) );
 sym.ComponentRef.Designator.Replace( wxT( "\t" ), wxT( "\\t" ) );
 sym.ComponentRef.Designator.Replace( wxT( " " ), wxT( "_" ) );
 
 refField->SetText( sym.ComponentRef.Designator );
 loadSymbolFieldAttribute( sym.ComponentRef.AttrLoc, symOrient, sym.Mirror, refField );
 
 if( sym.HasPartRef )
 {
 SCH_FIELD* partField = symbol->FindField( PartNameFieldName );
 
 if( !partField )
 {
 int fieldID = symbol->GetFieldCount();
 partField = symbol->AddField( SCH_FIELD( VECTOR2I(), fieldID, symbol,
 PartNameFieldName ) );
 }
 
 wxASSERT( partField->GetName() == PartNameFieldName );
 
 wxString partname = getPart( sym.PartRef.RefID ).Name;
 partname.Replace( wxT( "\n" ), wxT( "\\n" ) );
 partname.Replace( wxT( "\r" ), wxT( "\\r" ) );
 partname.Replace( wxT( "\t" ), wxT( "\\t" ) );
 partField->SetText( partname );
 
 loadSymbolFieldAttribute( sym.PartRef.AttrLoc, symOrient, sym.Mirror, partField );
 
 partField->SetVisible( SymbolPartNameColor.IsVisible );
 }
 
 for( auto& attr : sym.AttributeValues )
 {
 ATTRIBUTE_VALUE attrVal = attr.second;
 
 if( attrVal.HasLocation )
 {
 wxString attrName = getAttributeName( attrVal.AttributeID );
 SCH_FIELD* attrField = symbol->FindField( attrName );
 
 if( !attrField )
 {
 int fieldID = symbol->GetFieldCount();
 attrField = symbol->AddField(
 SCH_FIELD( VECTOR2I(), fieldID, symbol, attrName ) );
 }
 
 wxASSERT( attrField->GetName() == attrName );
 
 attrVal.Value.Replace( wxT( "\n" ), wxT( "\\n" ) );
 attrVal.Value.Replace( wxT( "\r" ), wxT( "\\r" ) );
 attrVal.Value.Replace( wxT( "\t" ), wxT( "\\t" ) );
 attrField->SetText( attrVal.Value );
 
 loadSymbolFieldAttribute( attrVal.AttributeLocation, symOrient, sym.Mirror,
 attrField );
 attrField->SetVisible( isAttributeVisible( attrVal.AttributeID ) );
 }
 }
 }
 else if( sym.IsSymbolVariant )
 {
 if( Library.SymbolDefinitions.find( sym.SymdefID ) == Library.SymbolDefinitions.end() )
 {
 THROW_IO_ERROR( wxString::Format(
 _( "Symbol ID '%s' references library symbol '%s' which could not be "
 "found in the library. Did you export all items of the design?" ),
 sym.ID, sym.PartRef.RefID ) );
 }
 
 SYMDEF_SCM libSymDef = Library.SymbolDefinitions.at( sym.SymdefID );
 
 if( libSymDef.Terminals.size() != 1 )
 {
 THROW_IO_ERROR( wxString::Format(
 _( "Symbol ID '%s' is a signal reference or global signal but it has too "
 "many pins. The expected number of pins is 1 but %d were found." ),
 sym.ID, libSymDef.Terminals.size() ) );
 }
 
 if( sym.SymbolVariant.Type == SYMBOLVARIANT::TYPE::GLOBALSIGNAL )
 {
 SYMDEF_ID symID = sym.SymdefID;
 LIB_SYMBOL* kiPart = nullptr;
 
 // In CADSTAR "GlobalSignal" is a special type of symbol which defines
 // a Power Symbol. The "Alternate" name defines the default net name of
 // the power symbol but this can be overridden in the design itself.
 wxString libraryNetName = Library.SymbolDefinitions.at( symID ).Alternate;
 
 // Name of the net that the symbol instance in CADSTAR refers to:
 wxString symbolInstanceNetName = sym.SymbolVariant.Reference;
 symbolInstanceNetName = EscapeString( symbolInstanceNetName, CTX_LIBID );
 
 // Name of the symbol we will use for saving the part in KiCad
 // Note: In CADSTAR all power symbols will start have the reference name be
 // "GLOBALSIGNAL" followed by the default net name, so it makes sense to save
 // the symbol in KiCad as the default net name as well.
 wxString libPartName = libraryNetName;
 
 // In CADSTAR power symbol instances can refer to a different net to that defined
 // in the library. This causes problems in KiCad v6 as it breaks connectivity when
 // the user decides to update all symbols from library. We handle this by creating
 // individual versions of the power symbol for each net name.
 if( libPartName != symbolInstanceNetName )
 {
 libPartName += wxT( " (" ) + symbolInstanceNetName + wxT( ")" );
 }
 
 if( m_powerSymLibMap.find( libPartName ) == m_powerSymLibMap.end() )
 {
 const LIB_SYMBOL* templatePart = loadSymdef( symID );
 wxCHECK( templatePart, /*void*/ );
 
 kiPart = new LIB_SYMBOL( *templatePart );
 kiPart->SetPower();
 kiPart->SetName( libPartName );
 kiPart->GetValueField().SetText( symbolInstanceNetName );
 kiPart->SetShowPinNames( false );
 kiPart->SetShowPinNumbers( false );
 
 LIB_PINS pins = kiPart->GetAllLibPins();
 wxCHECK( pins.size() == 1, /*void*/ );
 
 pins.at( 0 )->SetType( ELECTRICAL_PINTYPE::PT_POWER_IN );
 pins.at( 0 )->SetName( symbolInstanceNetName );
 
 if( libSymDef.TextLocations.find( SIGNALNAME_ORIGIN_ATTRID )
 != libSymDef.TextLocations.end() )
 {
 TEXT_LOCATION& txtLoc =
 libSymDef.TextLocations.at( SIGNALNAME_ORIGIN_ATTRID );
 
 VECTOR2I valPos = getKiCadLibraryPoint( txtLoc.Position, libSymDef.Origin );
 
 kiPart->GetValueField().SetPosition( valPos );
 kiPart->GetValueField().SetVisible( true );
 }
 else
 {
 kiPart->GetValueField().SetVisible( false );
 }
 
 kiPart->GetReferenceField().SetText( "#PWR" );
 kiPart->GetReferenceField().SetVisible( false );
 m_loadedSymbols.push_back( kiPart );
 m_powerSymLibMap.insert( { libPartName, kiPart } );
 }
 else
 {
 kiPart = m_powerSymLibMap.at( libPartName );
 wxASSERT( kiPart->GetValueField().GetText() == symbolInstanceNetName );
 }
 
 LIB_SYMBOL* scaledPart = getScaledLibPart( kiPart, sym.ScaleRatioNumerator,
 sym.ScaleRatioDenominator );
 
 EDA_ANGLE returnedOrient = ANGLE_0;
 SCH_SYMBOL* symbol = loadSchematicSymbol( sym, *scaledPart, returnedOrient );
 m_powerSymMap.insert( { sym.ID, symbol } );
 
 delete scaledPart;
 }
 else if( sym.SymbolVariant.Type == SYMBOLVARIANT::TYPE::SIGNALREF )
 {
 // There should only be one pin and we'll use that to set the position
 TERMINAL& symbolTerminal = libSymDef.Terminals.begin()->second;
 VECTOR2I terminalPosOffset = symbolTerminal.Position - libSymDef.Origin;
 EDA_ANGLE rotate = getAngle( sym.OrientAngle );
 
 if( sym.Mirror )
 rotate += ANGLE_180;
 
 RotatePoint( terminalPosOffset, -rotate );
 
 SCH_GLOBALLABEL* netLabel = new SCH_GLOBALLABEL;
 netLabel->SetPosition( getKiCadPoint( (VECTOR2I)sym.Origin + terminalPosOffset ) );
 netLabel->SetText( "***UNKNOWN NET****" ); // This should be later updated when we load the netlist
 netLabel->SetTextSize( VECTOR2I( schIUScale.MilsToIU( 50 ), schIUScale.MilsToIU( 50 ) ) );
 
 SYMDEF_SCM symbolDef = Library.SymbolDefinitions.at( sym.SymdefID );
 
 if( symbolDef.TextLocations.count( LINK_ORIGIN_ATTRID ) )
 {
 TEXT_LOCATION linkOrigin = symbolDef.TextLocations.at( LINK_ORIGIN_ATTRID );
 applyTextSettings( netLabel, linkOrigin.TextCodeID, linkOrigin.Alignment,
 linkOrigin.Justification );
 }
 
 netLabel->SetSpinStyle( getSpinStyle( sym.OrientAngle, sym.Mirror ) );
 
 if( libSymDef.Alternate.Lower().Contains( "in" ) )
 netLabel->SetShape( LABEL_FLAG_SHAPE::L_INPUT );
 else if( libSymDef.Alternate.Lower().Contains( "bi" ) )
 netLabel->SetShape( LABEL_FLAG_SHAPE::L_BIDI );
 else if( libSymDef.Alternate.Lower().Contains( "out" ) )
 netLabel->SetShape( LABEL_FLAG_SHAPE::L_OUTPUT );
 else
 netLabel->SetShape( LABEL_FLAG_SHAPE::L_UNSPECIFIED );
 
 SCH_SCREEN* screen = m_sheetMap.at( sym.LayerID )->GetScreen();
 
 // autoplace intersheet refs
 netLabel->AutoplaceFields( screen, false );
 
 screen->Append( netLabel );
 m_globalLabelsMap.insert( { sym.ID, netLabel } );
 }
 else
 {
 wxASSERT_MSG( false, "Unknown Symbol Variant." );
 }
 }
 else
 {
 m_reporter->Report( wxString::Format( _( "Symbol ID '%s' is of an unknown type. It is "
 "neither a symbol or a net power / symbol. "
 "The symbol was not loaded." ),
 sym.ID ),
 RPT_SEVERITY_ERROR );
 }
 
 if( sym.ScaleRatioDenominator != 1 || sym.ScaleRatioNumerator != 1 )
 {
 wxString symbolName = sym.ComponentRef.Designator;
 
 if( symbolName.empty() )
 symbolName = wxString::Format( "ID: %s", sym.ID );
 else
 symbolName += sym.GateID;
 
 m_reporter->Report( wxString::Format( _( "Symbol '%s' is scaled in the original "
 "CADSTAR schematic but this is not supported "
 "in KiCad. When the symbol is reloaded from "
 "the library, it will revert to the original "
 "1:1 scale." ),
 symbolName,
 sym.PartRef.RefID ),
 RPT_SEVERITY_ERROR );
 }
 }
}
 
 
void CADSTAR_SCH_ARCHIVE_LOADER::loadBusses()
{
 for( std::pair<BUS_ID, BUS> busPair : Schematic.Buses )
 {
 BUS bus = busPair.second;
 bool firstPt = true;
 VERTEX last;
 
 if( bus.LayerID != wxT( "NO_SHEET" ) )
 {
 SCH_SCREEN* screen = m_sheetMap.at( bus.LayerID )->GetScreen();
 std::shared_ptr<BUS_ALIAS> kiBusAlias = std::make_shared<BUS_ALIAS>();
 
 kiBusAlias->SetName( bus.Name );
 kiBusAlias->SetParent( screen );
 screen->AddBusAlias( kiBusAlias );
 m_busesMap.insert( { bus.ID, kiBusAlias } );
 
 SCH_LABEL* label = new SCH_LABEL();
 
 wxString busname = HandleTextOverbar( bus.Name );
 
 label->SetText( wxT( "{" ) + busname + wxT( "}" ) );
 label->SetVisible( true );
 screen->Append( label );
 
 SHAPE_LINE_CHAIN busLineChain; // to compute nearest segment to bus label
 
 for( const VERTEX& cur : bus.Shape.Vertices )
 {
 busLineChain.Append( getKiCadPoint( cur.End ) );
 
 if( firstPt )
 {
 last = cur;
 firstPt = false;
 
 if( !bus.HasBusLabel )
 {
 // Add a bus label on the starting point if the original CADSTAR design
 // does not have an explicit label
 label->SetPosition( getKiCadPoint( last.End ) );
 }
 
 continue;
 }
 
 
 SCH_LINE* kiBus = new SCH_LINE();
 
 kiBus->SetStartPoint( getKiCadPoint( last.End ) );
 kiBus->SetEndPoint( getKiCadPoint( cur.End ) );
 kiBus->SetLayer( LAYER_BUS );
 kiBus->SetLineWidth( getLineThickness( bus.LineCodeID ) );
 screen->Append( kiBus );
 
 last = cur;
 }
 
 if( bus.HasBusLabel )
 {
 //lets find the closest point in the busline to the label
 VECTOR2I busLabelLoc = getKiCadPoint( bus.BusLabel.Position );
 VECTOR2I nearestPt = busLineChain.NearestPoint( busLabelLoc );
 
 label->SetPosition( nearestPt );
 
 applyTextSettings( label,
 bus.BusLabel.TextCodeID,
 bus.BusLabel.Alignment,
 bus.BusLabel.Justification );
 
 // Re-set bus name as it might have been "double-escaped" after applyTextSettings
 label->SetText( wxT( "{" ) + busname + wxT( "}" ) );
 
 // Note orientation of the bus label will be determined in loadNets
 // (the position of the wire will determine how best to place the bus label)
 }
 }
 }
}
 
 
void CADSTAR_SCH_ARCHIVE_LOADER::loadNets()
{
 for( std::pair<NET_ID, NET_SCH> netPair : Schematic.Nets )
 {
 NET_SCH net = netPair.second;
 wxString netName = net.Name;
 std::map<NETELEMENT_ID, SCH_LABEL*> netlabels;
 
 if( netName.IsEmpty() )
 netName = wxString::Format( "$%ld", net.SignalNum );
 
 netName = HandleTextOverbar( netName );
 
 for( std::pair<NETELEMENT_ID, NET_SCH::SYM_TERM> terminalPair : net.Terminals )
 {
 NET_SCH::SYM_TERM netTerm = terminalPair.second;
 
 if( m_powerSymMap.find( netTerm.SymbolID ) != m_powerSymMap.end() )
 {
 SCH_FIELD* val = m_powerSymMap.at( netTerm.SymbolID )->GetField( VALUE_FIELD );
 val->SetText( netName );
 val->SetBold( false );
 val->SetVisible( false );
 
 if( netTerm.HasNetLabel )
 {
 val->SetVisible( true );
 val->SetPosition( getKiCadPoint( netTerm.NetLabel.Position ) );
 
 applyTextSettings( val,
 netTerm.NetLabel.TextCodeID,
 netTerm.NetLabel.Alignment,
 netTerm.NetLabel.Justification,
 netTerm.NetLabel.OrientAngle,
 netTerm.NetLabel.Mirror );
 }
 }
 else if( m_globalLabelsMap.find( netTerm.SymbolID ) != m_globalLabelsMap.end() )
 {
 m_globalLabelsMap.at( netTerm.SymbolID )->SetText( netName );
 
 LAYER_ID sheet = Schematic.Symbols.at( netTerm.SymbolID ).LayerID;
 
 if( m_sheetMap.count( sheet ) )
 {
 SCH_SCREEN* screen = m_sheetMap.at( sheet )->GetScreen();
 
 // autoplace intersheet refs again since we've changed the name
 m_globalLabelsMap.at( netTerm.SymbolID )->AutoplaceFields( screen, false );
 }
 }
 else if( !net.Name.IsEmpty() && Schematic.Symbols.count( netTerm.SymbolID )
 && netTerm.HasNetLabel )
 {
 // This is a named net that connects to a schematic symbol pin - we need to put a label
 SCH_LABEL* label = new SCH_LABEL();
 label->SetText( netName );
 
 POINT pinLocation = getLocationOfNetElement( net, netTerm.ID );
 label->SetPosition( getKiCadPoint( pinLocation ) );
 label->SetVisible( true );
 
 applyTextSettings( label, netTerm.NetLabel.TextCodeID, netTerm.NetLabel.Alignment,
 netTerm.NetLabel.Justification );
 
 netlabels.insert( { netTerm.ID, label } );
 
 LAYER_ID sheet = Schematic.Symbols.at( netTerm.SymbolID ).LayerID;
 m_sheetMap.at( sheet )->GetScreen()->Append( label );
 }
 }
 
 auto getHierarchicalLabel =
 [&]( NETELEMENT_ID aNode ) -> SCH_HIERLABEL*
 {
 if( aNode.Contains( "BLKT" ) )
 {
 NET_SCH::BLOCK_TERM blockTerm = net.BlockTerminals.at( aNode );
 BLOCK_PIN_ID blockPinID = std::make_pair( blockTerm.BlockID,
 blockTerm.TerminalID );
 
 if( m_sheetPinMap.find( blockPinID ) != m_sheetPinMap.end() )
 return m_sheetPinMap.at( blockPinID );
 }
 
 return nullptr;
 };
 
 //Add net name to all hierarchical pins (block terminals in CADSTAR)
 for( std::pair<NETELEMENT_ID, NET_SCH::BLOCK_TERM> blockPair : net.BlockTerminals )
 {
 SCH_HIERLABEL* label = getHierarchicalLabel( blockPair.first );
 
 if( label )
 label->SetText( netName );
 }
 
 // Load all bus entries and add net label if required
 for( std::pair<NETELEMENT_ID, NET_SCH::BUS_TERM> busPair : net.BusTerminals )
 {
 NET_SCH::BUS_TERM busTerm = busPair.second;
 BUS bus = Schematic.Buses.at( busTerm.BusID );
 
 if( !alg::contains( m_busesMap.at( bus.ID )->Members(), netName ) )
 m_busesMap.at( bus.ID )->Members().emplace_back( netName );
 
 SCH_BUS_WIRE_ENTRY* busEntry =
 new SCH_BUS_WIRE_ENTRY( getKiCadPoint( busTerm.FirstPoint ), false );
 
 VECTOR2I size =
 getKiCadPoint( busTerm.SecondPoint ) - getKiCadPoint( busTerm.FirstPoint );
 busEntry->SetSize( VECTOR2I( size.x, size.y ) );
 
 m_sheetMap.at( bus.LayerID )->GetScreen()->Append( busEntry );
 
 // Always add a label at bus terminals to ensure connectivity.
 // If the original design does not have a label, just make it very small
 // to keep connectivity but make the design look visually similar to
 // the original.
 SCH_LABEL* label = new SCH_LABEL();
 label->SetText( netName );
 label->SetPosition( getKiCadPoint( busTerm.SecondPoint ) );
 label->SetVisible( true );
 
 if( busTerm.HasNetLabel )
 {
 applyTextSettings( label,
 busTerm.NetLabel.TextCodeID,
 busTerm.NetLabel.Alignment,
 busTerm.NetLabel.Justification );
 }
 else
 {
 label->SetTextSize( VECTOR2I( SMALL_LABEL_SIZE, SMALL_LABEL_SIZE ) );
 }
 
 netlabels.insert( { busTerm.ID, label } );
 m_sheetMap.at( bus.LayerID )->GetScreen()->Append( label );
 }
 
 for( std::pair<NETELEMENT_ID, NET_SCH::DANGLER> danglerPair : net.Danglers )
 {
 NET_SCH::DANGLER dangler = danglerPair.second;
 
 SCH_LABEL* label = new SCH_LABEL();
 label->SetPosition( getKiCadPoint( dangler.Position ) );
 label->SetVisible( true );
 
 if( dangler.HasNetLabel )
 {
 applyTextSettings( label,
 dangler.NetLabel.TextCodeID,
 dangler.NetLabel.Alignment,
 dangler.NetLabel.Justification );
 }
 
 label->SetText( netName ); // set text after applying settings to avoid double-escaping
 netlabels.insert( { dangler.ID, label } );
 
 m_sheetMap.at( dangler.LayerID )->GetScreen()->Append( label );
 }
 
 for( NET_SCH::CONNECTION_SCH conn : net.Connections )
 {
 if( conn.LayerID == wxT( "NO_SHEET" ) )
 continue; // No point loading virtual connections. KiCad handles that internally
 
 POINT start = getLocationOfNetElement( net, conn.StartNode );
 POINT end = getLocationOfNetElement( net, conn.EndNode );
 
 if( start.x == UNDEFINED_VALUE || end.x == UNDEFINED_VALUE )
 continue;
 
 // Connections in CADSTAR are always implied between symbols even if the route
 // doesn't start and end exactly at the connection points
 if( conn.Path.size() < 1 || conn.Path.front() != start )
 conn.Path.insert( conn.Path.begin(), start );
 
 if( conn.Path.size() < 2 || conn.Path.back() != end )
 conn.Path.push_back( end );
 
 bool firstPt = true;
 bool secondPt = false;
 VECTOR2I last;
 SCH_LINE* wire = nullptr;
 
 SHAPE_LINE_CHAIN wireChain; // Create a temp. line chain representing the connection
 
 for( POINT pt : conn.Path )
 {
 wireChain.Append( getKiCadPoint( pt ) );
 }
 
 // AUTO-FIX SHEET PINS
 //--------------------
 // KiCad constrains the sheet pin on the edge of the sheet object whereas in
 // CADSTAR it can be anywhere. Let's find the intersection of the wires with the sheet
 // and place the hierarchical
 std::vector<NETELEMENT_ID> nodes;
 nodes.push_back( conn.StartNode );
 nodes.push_back( conn.EndNode );
 
 for( NETELEMENT_ID node : nodes )
 {
 SCH_HIERLABEL* sheetPin = getHierarchicalLabel( node );
 
 if( sheetPin )
 {
 if( sheetPin->Type() == SCH_SHEET_PIN_T
 && SCH_SHEET::ClassOf( sheetPin->GetParent() ) )
 {
 SCH_SHEET* parentSheet = static_cast<SCH_SHEET*>( sheetPin->GetParent() );
 VECTOR2I sheetSize = parentSheet->GetSize();
 VECTOR2I sheetPosition = parentSheet->GetPosition();
 
 int leftSide = sheetPosition.x;
 int rightSide = sheetPosition.x + sheetSize.x;
 int topSide = sheetPosition.y;
 int botSide = sheetPosition.y + sheetSize.y;
 
 SHAPE_LINE_CHAIN sheetEdge;
 
 sheetEdge.Append( leftSide, topSide );
 sheetEdge.Append( rightSide, topSide );
 sheetEdge.Append( rightSide, botSide );
 sheetEdge.Append( leftSide, botSide );
 sheetEdge.Append( leftSide, topSide );
 
 SHAPE_LINE_CHAIN::INTERSECTIONS wireToSheetIntersects;
 
 if( !wireChain.Intersect( sheetEdge, wireToSheetIntersects ) )
 {
 // The block terminal is outside the block shape in the original
 // CADSTAR design. Since KiCad's Sheet Pin will already be constrained
 // on the edge, we will simply join to it with a straight line.
 if( node == conn.StartNode )
 wireChain = wireChain.Reverse();
 
 wireChain.Append( sheetPin->GetPosition() );
 
 if( node == conn.StartNode )
 wireChain = wireChain.Reverse();
 }
 else
 {
 // The block terminal is either inside or on the shape edge. Lets use
 // the first intersection point.
 VECTOR2I intsctPt = wireToSheetIntersects.at( 0 ).p;
 int intsctIndx = wireChain.FindSegment( intsctPt );
 wxASSERT_MSG( intsctIndx != -1, "Can't find intersecting segment" );
 
 if( node == conn.StartNode )
 wireChain.Replace( 0, intsctIndx, intsctPt );
 else
 wireChain.Replace( intsctIndx + 1, /*end index*/ -1, intsctPt );
 
 sheetPin->SetPosition( intsctPt );
 }
 }
 }
 }
 
 auto fixNetLabelsAndSheetPins =
 [&]( const EDA_ANGLE& aWireAngle, NETELEMENT_ID& aNetEleID )
 {
 SPIN_STYLE spin = getSpinStyle( aWireAngle );
 
 if( netlabels.find( aNetEleID ) != netlabels.end() )
 netlabels.at( aNetEleID )->SetSpinStyle( spin.MirrorY() );
 
 SCH_HIERLABEL* sheetPin = getHierarchicalLabel( aNetEleID );
 
 if( sheetPin )
 sheetPin->SetSpinStyle( spin.MirrorX() );
 };
 
 // Now we can load the wires and fix the label orientations
 for( const VECTOR2I& pt : wireChain.CPoints() )
 {
 if( firstPt )
 {
 last = pt;
 firstPt = false;
 secondPt = true;
 continue;
 }
 
 if( secondPt )
 {
 secondPt = false;
 
 EDA_ANGLE wireAngle( last - pt );
 fixNetLabelsAndSheetPins( wireAngle, conn.StartNode );
 }
 
 wire = new SCH_LINE();
 
 wire->SetStartPoint( last );
 wire->SetEndPoint( pt );
 wire->SetLayer( LAYER_WIRE );
 
 if( !conn.ConnectionLineCode.IsEmpty() )
 wire->SetLineWidth( getLineThickness( conn.ConnectionLineCode ) );
 
 last = pt;
 
 m_sheetMap.at( conn.LayerID )->GetScreen()->Append( wire );
 }
 
 //Fix labels on the end wire
 if( wire )
 {
 EDA_ANGLE wireAngle( wire->GetEndPoint() - wire->GetStartPoint() );
 fixNetLabelsAndSheetPins( wireAngle, conn.EndNode );
 }
 }
 
 for( std::pair<NETELEMENT_ID, NET_SCH::JUNCTION_SCH> juncPair : net.Junctions )
 {
 NET_SCH::JUNCTION_SCH junc = juncPair.second;
 
 SCH_JUNCTION* kiJunc = new SCH_JUNCTION();
 
 kiJunc->SetPosition( getKiCadPoint( junc.Location ) );
 m_sheetMap.at( junc.LayerID )->GetScreen()->Append( kiJunc );
 
 if( junc.HasNetLabel )
 {
 // In CADSTAR the label can be placed anywhere, but in KiCad it has to be placed
 // in the same location as the junction for it to be connected to it.
 SCH_LABEL* label = new SCH_LABEL();
 label->SetText( netName );
 label->SetPosition( getKiCadPoint( junc.Location ) );
 label->SetVisible( true );
 
 EDA_ANGLE labelAngle = getAngle( junc.NetLabel.OrientAngle );
 SPIN_STYLE spin = getSpinStyle( labelAngle );
 
 label->SetSpinStyle( spin );
 
 m_sheetMap.at( junc.LayerID )->GetScreen()->Append( label );
 }
 }
 }
}
 
 
void CADSTAR_SCH_ARCHIVE_LOADER::loadFigures()
{
 for( std::pair<FIGURE_ID, FIGURE> figPair : Schematic.Figures )
 {
 FIGURE fig = figPair.second;
 
 loadFigure( fig, fig.LayerID, LAYER_NOTES );
 }
}
 
 
void CADSTAR_SCH_ARCHIVE_LOADER::loadTexts()
{
 for( std::pair<TEXT_ID, TEXT> textPair : Schematic.Texts )
 {
 TEXT txt = textPair.second;
 
 SCH_TEXT* kiTxt = getKiCadSchText( txt );
 loadItemOntoKiCadSheet( txt.LayerID, kiTxt );
 }
}
 
 
void CADSTAR_SCH_ARCHIVE_LOADER::loadDocumentationSymbols()
{
 for( std::pair<DOCUMENTATION_SYMBOL_ID, DOCUMENTATION_SYMBOL> docSymPair :
 Schematic.DocumentationSymbols )
 {
 DOCUMENTATION_SYMBOL docSym = docSymPair.second;
 
 if( Library.SymbolDefinitions.find( docSym.SymdefID ) == Library.SymbolDefinitions.end() )
 {
 m_reporter->Report( wxString::Format( _( "Documentation Symbol '%s' refers to symbol "
 "definition ID '%s' which does not exist in "
 "the library. The symbol was not loaded." ),
 docSym.ID,
 docSym.SymdefID ),
 RPT_SEVERITY_ERROR );
 continue;
 }
 
 SYMDEF_SCM docSymDef = Library.SymbolDefinitions.at( docSym.SymdefID );
 VECTOR2I moveVector = getKiCadPoint( docSym.Origin ) - getKiCadPoint( docSymDef.Origin );
 EDA_ANGLE rotationAngle = getAngle( docSym.OrientAngle );
 double scalingFactor = (double) docSym.ScaleRatioNumerator
 / (double) docSym.ScaleRatioDenominator;
 VECTOR2I centreOfTransform = getKiCadPoint( docSymDef.Origin );
 bool mirrorInvert = docSym.Mirror;
 
 for( std::pair<FIGURE_ID, FIGURE> figPair : docSymDef.Figures )
 {
 FIGURE fig = figPair.second;
 
 loadFigure( fig, docSym.LayerID, LAYER_NOTES, moveVector, rotationAngle, scalingFactor,
 centreOfTransform, mirrorInvert );
 }
 
 for( std::pair<TEXT_ID, TEXT> textPair : docSymDef.Texts )
 {
 TEXT txt = textPair.second;
 
 txt.Mirror = ( txt.Mirror ) ? !mirrorInvert : mirrorInvert;
 txt.OrientAngle = docSym.OrientAngle - txt.OrientAngle;
 
 SCH_TEXT* kiTxt = getKiCadSchText( txt );
 
 VECTOR2I newPosition = applyTransform( kiTxt->GetPosition(), moveVector, rotationAngle,
 scalingFactor, centreOfTransform, mirrorInvert );
 
 int newTxtWidth = KiROUND( kiTxt->GetTextWidth() * scalingFactor );
 int newTxtHeight = KiROUND( kiTxt->GetTextHeight() * scalingFactor );
 int newTxtThickness = KiROUND( kiTxt->GetTextThickness() * scalingFactor );
 
 kiTxt->SetPosition( newPosition );
 kiTxt->SetTextWidth( newTxtWidth );
 kiTxt->SetTextHeight( newTxtHeight );
 kiTxt->SetTextThickness( newTxtThickness );
 
 loadItemOntoKiCadSheet( docSym.LayerID, kiTxt );
 }
 }
}
 
 
void CADSTAR_SCH_ARCHIVE_LOADER::loadTextVariables()
{
 auto findAndReplaceTextField =
 [&]( TEXT_FIELD_NAME aField, wxString aValue )
 {
 if( m_context.TextFieldToValuesMap.find( aField ) != m_context.TextFieldToValuesMap.end() )
 {
 if( m_context.TextFieldToValuesMap.at( aField ) != aValue )
 {
 m_context.TextFieldToValuesMap.at( aField ) = aValue;
 m_context.InconsistentTextFields.insert( aField );
 return false;
 }
 }
 else
 {
 m_context.TextFieldToValuesMap.insert( { aField, aValue } );
 }
 
 return true;
 };
 
 PROJECT* pj = &m_schematic->Prj();
 
 if( pj )
 {
 std::map<wxString, wxString>& txtVars = pj->GetTextVars();
 
 // Most of the design text fields can be derived from other elements
 if( Schematic.VariantHierarchy.Variants.size() > 0 )
 {
 VARIANT loadedVar = Schematic.VariantHierarchy.Variants.begin()->second;
 
 findAndReplaceTextField( TEXT_FIELD_NAME::VARIANT_NAME, loadedVar.Name );
 findAndReplaceTextField( TEXT_FIELD_NAME::VARIANT_DESCRIPTION, loadedVar.Description );
 }
 
 findAndReplaceTextField( TEXT_FIELD_NAME::DESIGN_TITLE, Header.JobTitle );
 
 for( std::pair<TEXT_FIELD_NAME, wxString> txtvalue : m_context.TextFieldToValuesMap )
 {
 wxString varName = CADSTAR_TO_KICAD_FIELDS.at( txtvalue.first );
 wxString varValue = txtvalue.second;
 
 txtVars.insert( { varName, varValue } );
 }
 
 for( std::pair<wxString, wxString> txtvalue : m_context.FilenamesToTextMap )
 {
 wxString varName = txtvalue.first;
 wxString varValue = txtvalue.second;
 
 txtVars.insert( { varName, varValue } );
 }
 }
 else
 {
 m_reporter->Report( _( "Text Variables could not be set as there is no project attached." ),
 RPT_SEVERITY_ERROR );
 }
}
 
 
LIB_FIELD*
CADSTAR_SCH_ARCHIVE_LOADER::addNewFieldToSymbol( const wxString& aFieldName,
 std::unique_ptr<LIB_SYMBOL>& aKiCadSymbol )
{
 // First Check if field already exists
 LIB_FIELD* existingField = aKiCadSymbol->FindField( aFieldName );
 
 if( existingField != nullptr )
 return existingField;
 
 int newfieldID = aKiCadSymbol->GetFieldCount();
 LIB_FIELD* newfield = new LIB_FIELD( aKiCadSymbol.get(), newfieldID );
 newfield->SetName( aFieldName );
 newfield->SetVisible( false );
 aKiCadSymbol->AddField( newfield );
 /*
 @todo we should load that a field is a URL by checking if it starts with "Link"
 e.g.:
 if( aFieldName.Lower().StartsWith( "link" ) )
 newfield->SetAsURL*/
 
 return newfield;
}
 
 
const LIB_SYMBOL* CADSTAR_SCH_ARCHIVE_LOADER::loadSymdef( const SYMDEF_ID& aSymdefID )
{
 wxCHECK( Library.SymbolDefinitions.find( aSymdefID ) != Library.SymbolDefinitions.end(), nullptr );
 
 if( m_symDefMap.count( aSymdefID ) )
 return m_symDefMap.at( aSymdefID ).get(); // return a non-owning ptr
 
 SYMDEF_SCM csSym = Library.SymbolDefinitions.at( aSymdefID );
 std::unique_ptr<LIB_SYMBOL> kiSym = std::make_unique<LIB_SYMBOL>( csSym.BuildLibName() );
 const int gateNumber = 1; // Always load to gate "A" - we will change the unit later
 
 // Load Graphical Figures
 for( std::pair<FIGURE_ID, FIGURE> figPair : csSym.Figures )
 {
 FIGURE fig = figPair.second;
 int lineThickness = getLineThickness( fig.LineCodeID );
 LINE_STYLE linestyle = getLineStyle( fig.LineCodeID );
 
 if( fig.Shape.Type == SHAPE_TYPE::OPENSHAPE )
 {
 loadLibrarySymbolShapeVertices( fig.Shape.Vertices, csSym.Origin, kiSym.get(),
 gateNumber,
 lineThickness );
 }
 else
 {
 LIB_SHAPE* shape = new LIB_SHAPE( kiSym.get(), SHAPE_T::POLY );
 shape->SetPolyShape( fig.Shape.ConvertToPolySet(
 [&]( const VECTOR2I& aPt )
 {
 return getKiCadLibraryPoint( aPt, csSym.Origin );
 },
 ARC_ACCURACY ) );
 
 shape->SetUnit( gateNumber );
 
 shape->SetStroke( STROKE_PARAMS( lineThickness, linestyle ) );
 
 if( fig.Shape.Type == SHAPE_TYPE::SOLID )
 shape->SetFillMode( FILL_T::FILLED_SHAPE );
 else if( fig.Shape.Type == SHAPE_TYPE::OUTLINE )
 shape->SetFillMode( FILL_T::NO_FILL );
 else if( fig.Shape.Type == SHAPE_TYPE::HATCHED ) // We don't have an equivalent
 shape->SetFillMode( FILL_T::FILLED_WITH_BG_BODYCOLOR );
 
 kiSym->AddDrawItem( shape );
 }
 }
 
 PINNUM_TO_TERMINAL_MAP pinNumToTerminals;
 
 // Load Pins
 for( std::pair<TERMINAL_ID, TERMINAL> termPair : csSym.Terminals )
 {
 TERMINAL term = termPair.second;
 wxString pinNum = wxString::Format( "%ld", term.ID );
 wxString pinName = wxEmptyString;
 std::unique_ptr<LIB_PIN> pin = std::make_unique<LIB_PIN>( kiSym.get() );
 
 // Assume passive pin for now (we will set it later once we load the parts)
 pin->SetType( ELECTRICAL_PINTYPE::PT_PASSIVE );
 
 pin->SetPosition( getKiCadLibraryPoint( term.Position, csSym.Origin ) );
 pin->SetLength( 0 ); //CADSTAR Pins are just a point (have no length)
 pin->SetShape( GRAPHIC_PINSHAPE::LINE );
 pin->SetUnit( gateNumber );
 pin->SetNumber( pinNum );
 pin->SetName( pinName );
 
 // TC0 is the default CADSTAR text size for name/number if none specified
 int pinNumberHeight = getTextHeightFromTextCode( wxT( "TC0" ) );
 int pinNameHeight = getTextHeightFromTextCode( wxT( "TC0" ) );
 
 if( csSym.PinNumberLocations.count( term.ID ) )
 {
 PIN_NUM_LABEL_LOC pinNumLocation = csSym.PinNumberLocations.at( term.ID );
 pinNumberHeight = getTextHeightFromTextCode( pinNumLocation.TextCodeID );
 }
 
 if( csSym.PinLabelLocations.count( term.ID ) )
 {
 PIN_NUM_LABEL_LOC pinNameLocation = csSym.PinLabelLocations.at( term.ID );
 pinNameHeight = getTextHeightFromTextCode( pinNameLocation.TextCodeID );
 }
 
 pin->SetNumberTextSize( pinNumberHeight );
 pin->SetNameTextSize( pinNameHeight );
 
 pinNumToTerminals.insert( { pin->GetNumber(), term.ID } );
 kiSym->AddDrawItem( pin.release() );
 }
 
 m_symDefTerminalsMap.insert( { aSymdefID, pinNumToTerminals } );
 fixUpLibraryPins( kiSym.get(), gateNumber );
 
 
 // Load Text items
 for( std::pair<TEXT_ID, TEXT> textPair : csSym.Texts )
 {
 TEXT csText = textPair.second;
 
 std::unique_ptr<LIB_TEXT> libtext = std::make_unique<LIB_TEXT>( kiSym.get() );
 libtext->SetText( csText.Text );
 libtext->SetUnit( gateNumber );
 libtext->SetPosition( getKiCadLibraryPoint( csText.Position, csSym.Origin ) );
 libtext->SetMultilineAllowed( true ); // temporarily so that we calculate bbox correctly
 
 applyTextSettings( libtext.get(), csText.TextCodeID, csText.Alignment, csText.Justification,
 csText.OrientAngle, csText.Mirror );
 
 // Split out multi line text items into individual text elements
 if( csText.Text.Contains( "\n" ) )
 {
 wxArrayString strings;
 wxStringSplit( csText.Text, strings, '\n' );
 wxPoint firstLinePos;
 
 for( size_t ii = 0; ii < strings.size(); ++ii )
 {
 BOX2I bbox = libtext->GetTextBox( ii, true );
 VECTOR2I linePos = { bbox.GetLeft(), -bbox.GetBottom() };
 
 RotatePoint( linePos, libtext->GetTextPos(), -libtext->GetTextAngle() );
 
 LIB_TEXT* textLine = static_cast<LIB_TEXT*>( libtext->Duplicate() );
 textLine->SetText( strings[ii] );
 textLine->SetHorizJustify( GR_TEXT_H_ALIGN_LEFT );
 textLine->SetVertJustify( GR_TEXT_V_ALIGN_BOTTOM );
 textLine->SetTextPos( linePos );
 
 // Multiline text not allowed in LIB_TEXT
 textLine->SetMultilineAllowed( false );
 kiSym->AddDrawItem( textLine );
 }
 }
 else
 {
 // Multiline text not allowed in LIB_TEXT
 libtext->SetMultilineAllowed( false );
 kiSym->AddDrawItem( libtext.release() );
 }
 }
 
 // CADSTAR uses TC1 when fields don't have explicit text/attribute location
 static const TEXTCODE_ID defaultTextCode = "TC1";
 
 // Load field locations (Attributes in CADSTAR)
 
 // Symbol name (e.g. R1)
 if( csSym.TextLocations.count( SYMBOL_NAME_ATTRID ) )
 {
 TEXT_LOCATION& textLoc = csSym.TextLocations.at( SYMBOL_NAME_ATTRID );
 applyToLibraryFieldAttribute( textLoc, csSym.Origin, &kiSym->GetReferenceField() );
 }
 else
 {
 applyTextCodeIfExists( &kiSym->GetReferenceField(), defaultTextCode );
 }
 
 // Always add the part name field (even if it doesn't have a specific location defined)
 LIB_FIELD* partField = addNewFieldToSymbol( PartNameFieldName, kiSym );
 wxCHECK( partField, nullptr );
 wxASSERT( partField->GetName() == PartNameFieldName );
 
 if( csSym.TextLocations.count( PART_NAME_ATTRID ) )
 {
 TEXT_LOCATION& textLoc = csSym.TextLocations.at( PART_NAME_ATTRID );
 applyToLibraryFieldAttribute( textLoc, csSym.Origin, partField );
 }
 else
 {
 applyTextCodeIfExists( partField, defaultTextCode );
 }
 
 partField->SetVisible( SymbolPartNameColor.IsVisible );
 
 
 for( auto& [attributeId, textLocation] : csSym.TextLocations )
 {
 if( attributeId == PART_NAME_ATTRID || attributeId == SYMBOL_NAME_ATTRID
 || attributeId == SIGNALNAME_ORIGIN_ATTRID || attributeId == LINK_ORIGIN_ATTRID )
 {
 continue;
 }
 
 wxString attributeName = getAttributeName( attributeId );
 LIB_FIELD* field = addNewFieldToSymbol( attributeName, kiSym );
 applyToLibraryFieldAttribute( textLocation, csSym.Origin, field );
 }
 
 
 for( auto& [attributeId, attrValue] : csSym.AttributeValues )
 {
 if( attributeId == PART_NAME_ATTRID || attributeId == SYMBOL_NAME_ATTRID
 || attributeId == SIGNALNAME_ORIGIN_ATTRID || attributeId == LINK_ORIGIN_ATTRID )
 {
 continue;
 }
 
 wxString attributeName = getAttributeName( attributeId );
 LIB_FIELD* field = addNewFieldToSymbol( attributeName, kiSym );
 
 if( attrValue.HasLocation )
 applyToLibraryFieldAttribute( attrValue.AttributeLocation, csSym.Origin, field );
 else
 applyTextCodeIfExists( field, defaultTextCode );
 }
 
 
 m_symDefMap.insert( { aSymdefID, std::move( kiSym ) } );
 
 return m_symDefMap.at( aSymdefID ).get(); // return a non-owning ptr
}
 
 
void CADSTAR_SCH_ARCHIVE_LOADER::loadSymbolGateAndPartFields( const SYMDEF_ID& aSymdefID,
 const PART& aCadstarPart,
 const GATE_ID& aGateID,
 LIB_SYMBOL* aSymbol )
{
 wxCHECK( Library.SymbolDefinitions.find( aSymdefID ) != Library.SymbolDefinitions.end(), /*void*/ );
 
 std::unique_ptr<LIB_SYMBOL> kiSymDef( loadSymdef( aSymdefID )->Duplicate() );
 wxCHECK( kiSymDef, /*void*/ );
 
 //todo: need to use unique_ptr more. For now just create it here and release at end of function
 std::unique_ptr<LIB_SYMBOL> tempSymbol( aSymbol );
 
 // Update the pin numbers to match those defined in the Cadstar part
 TERMINAL_TO_PINNUM_MAP pinNumMap;
 
 for( auto&& [storedPinNum, termID] : m_symDefTerminalsMap[aSymdefID] )
 {
 PART::DEFINITION::PIN csPin = getPartDefinitionPin( aCadstarPart, aGateID, termID );
 LIB_PIN* pin = kiSymDef->GetPin( storedPinNum );
 
 wxString pinName = HandleTextOverbar( csPin.Label );
 wxString pinNum = HandleTextOverbar( csPin.Name );
 
 if( pinNum.IsEmpty() )
 {
 if( !csPin.Identifier.IsEmpty() )
 pinNum = csPin.Identifier;
 else if( csPin.ID == UNDEFINED_VALUE )
 pinNum = wxString::Format( "%ld", termID );
 else
 pinNum = wxString::Format( "%ld", csPin.ID );
 }
 
 pin->SetType( getKiCadPinType( csPin.Type ) );
 pin->SetNumber( pinNum );
 pin->SetName( pinName );
 
 pinNumMap.insert( { termID, pinNum } );
 }
 
 m_pinNumsMap.insert( { aCadstarPart.ID + aGateID, pinNumMap } );
 
 // COPY ITEMS
 int gateNumber = getKiCadUnitNumberFromGate( aGateID );
 copySymbolItems( kiSymDef, tempSymbol, gateNumber );
 
 // Hide the value field for now (it might get unhidden if an attribute exists in the cadstar
 // design with the text "Value"
 tempSymbol->GetValueField().SetVisible( false );
 
 
 LIB_FIELD* partNameField = tempSymbol->FindField( PartNameFieldName );
 
 if( partNameField )
 partNameField->SetText( EscapeFieldText( aCadstarPart.Name ) );
 
 const POINT& symDefOrigin = Library.SymbolDefinitions.at( aSymdefID ).Origin;
 wxString footprintRefName = wxEmptyString;
 wxString footprintAlternateName = wxEmptyString;
 
 auto loadLibraryField = [&]( const ATTRIBUTE_VALUE& aAttributeVal )
 {
 wxString attrName = getAttributeName( aAttributeVal.AttributeID );
 
 // Remove invalid field characters
 wxString attributeValue = aAttributeVal.Value;
 attributeValue.Replace( wxT( "\n" ), wxT( "\\n" ) );
 attributeValue.Replace( wxT( "\r" ), wxT( "\\r" ) );
 attributeValue.Replace( wxT( "\t" ), wxT( "\\t" ) );
 
 //TODO: Handle "links": In cadstar a field can be a "link" if its name starts
 // with the characters "Link ". Need to figure out how to convert them to
 // equivalent in KiCad.
 
 if( attrName == wxT( "(PartDefinitionNameStem)" ) )
 {
 //Space not allowed in Reference field
 attributeValue.Replace( wxT( " " ), "_" );
 tempSymbol->GetReferenceField().SetText( attributeValue );
 return;
 }
 else if( attrName == wxT( "(PartDescription)" ) )
 {
 tempSymbol->SetDescription( attributeValue );
 return;
 }
 else if( attrName == wxT( "(PartDefinitionReferenceName)" ) )
 {
 footprintRefName = attributeValue;
 return;
 }
 else if( attrName == wxT( "(PartDefinitionAlternateName)" ) )
 {
 footprintAlternateName = attributeValue;
 return;
 }
 
 bool attrIsNew = tempSymbol->FindField( attrName ) == nullptr;
 LIB_FIELD* attrField = addNewFieldToSymbol( attrName, tempSymbol );
 
 wxASSERT( attrField->GetName() == attrName );
 attrField->SetText( aAttributeVal.Value );
 attrField->SetUnit( gateNumber );
 
 const ATTRIBUTE_ID& attrid = aAttributeVal.AttributeID;
 attrField->SetVisible( isAttributeVisible( attrid ) );
 
 if( aAttributeVal.HasLocation )
 {
 // Check if the part itself defined a location for the field
 applyToLibraryFieldAttribute( aAttributeVal.AttributeLocation, symDefOrigin,
 attrField );
 }
 else if( attrIsNew )
 {
 attrField->SetVisible( false );
 applyTextSettings( attrField, wxT( "TC1" ), ALIGNMENT::NO_ALIGNMENT,
 JUSTIFICATION::LEFT );
 }
 };
 
 // Load all attributes in the Part Definition
 for( auto& [attrId, attrVal] : aCadstarPart.Definition.AttributeValues )
 loadLibraryField( attrVal );
 
 // Load all attributes in the Part itself.
 for( auto& [attrId, attrVal] : aCadstarPart.AttributeValues )
 loadLibraryField( attrVal );
 
 setFootprintOnSymbol( tempSymbol, footprintRefName, footprintAlternateName );
 
 if( aCadstarPart.Definition.HidePinNames )
 {
 tempSymbol->SetShowPinNames( false );
 tempSymbol->SetShowPinNumbers( false );
 }
 
 aSymbol = tempSymbol.release();
}
 
 
void CADSTAR_SCH_ARCHIVE_LOADER::setFootprintOnSymbol( std::unique_ptr<LIB_SYMBOL>& aKiCadSymbol,
 const wxString& aFootprintName,
 const wxString& aFootprintAlternate )
{
 wxString fpNameInLibrary = generateLibName( aFootprintName, aFootprintAlternate );
 
 if( !fpNameInLibrary.IsEmpty() )
 {
 wxArrayString fpFilters;
 fpFilters.Add( aFootprintName ); // In cadstar one footprint has several "alternates"
 
 if( !aFootprintAlternate.IsEmpty() )
 fpFilters.Add( fpNameInLibrary );
 
 aKiCadSymbol->SetFPFilters( fpFilters );
 
 LIB_ID libID( m_footprintLibName, fpNameInLibrary );
 aKiCadSymbol->GetFootprintField().SetText( libID.Format() );
 }
}
 
 
void CADSTAR_SCH_ARCHIVE_LOADER::loadLibrarySymbolShapeVertices( const std::vector<VERTEX>& aCadstarVertices,
 VECTOR2I aSymbolOrigin,
 LIB_SYMBOL* aSymbol,
 int aGateNumber,
 int aLineThickness )
{
 const VERTEX* prev = &aCadstarVertices.at( 0 );
 const VERTEX* cur;
 
 wxASSERT_MSG( prev->Type == VERTEX_TYPE::POINT, "First vertex should always be a point." );
 
 for( size_t i = 1; i < aCadstarVertices.size(); i++ )
 {
 cur = &aCadstarVertices.at( i );
 
 LIB_SHAPE* shape = nullptr;
 bool cw = false;
 VECTOR2I startPoint = getKiCadLibraryPoint( prev->End, aSymbolOrigin );
 VECTOR2I endPoint = getKiCadLibraryPoint( cur->End, aSymbolOrigin );
 VECTOR2I centerPoint;
 
 if( cur->Type == VERTEX_TYPE::ANTICLOCKWISE_SEMICIRCLE
 || cur->Type == VERTEX_TYPE::CLOCKWISE_SEMICIRCLE )
 {
 centerPoint = ( startPoint + endPoint ) / 2;
 }
 else
 {
 centerPoint = getKiCadLibraryPoint( cur->Center, aSymbolOrigin );
 }
 
 
 switch( cur->Type )
 {
 case VERTEX_TYPE::POINT:
 shape = new LIB_SHAPE( aSymbol, SHAPE_T::POLY );
 shape->AddPoint( startPoint );
 shape->AddPoint( endPoint );
 break;
 
 case VERTEX_TYPE::CLOCKWISE_SEMICIRCLE:
 case VERTEX_TYPE::CLOCKWISE_ARC:
 cw = true;
 KI_FALLTHROUGH;
 
 case VERTEX_TYPE::ANTICLOCKWISE_SEMICIRCLE:
 case VERTEX_TYPE::ANTICLOCKWISE_ARC:
 shape = new LIB_SHAPE( aSymbol, SHAPE_T::ARC );
 
 shape->SetPosition( centerPoint );
 
 if( cw )
 {
 shape->SetStart( endPoint );
 shape->SetEnd( startPoint );
 }
 else
 {
 shape->SetStart( startPoint );
 shape->SetEnd( endPoint );
 }
 
 break;
 }
 
 shape->SetUnit( aGateNumber );
 shape->SetStroke( STROKE_PARAMS( aLineThickness, LINE_STYLE::SOLID ) );
 aSymbol->AddDrawItem( shape, false );
 
 prev = cur;
 }
 
 aSymbol->GetDrawItems().sort();
}
 
 
void CADSTAR_SCH_ARCHIVE_LOADER::applyToLibraryFieldAttribute(
 const ATTRIBUTE_LOCATION& aCadstarAttrLoc, VECTOR2I aSymbolOrigin, LIB_FIELD* aKiCadField )
{
 aKiCadField->SetTextPos( getKiCadLibraryPoint( aCadstarAttrLoc.Position, aSymbolOrigin ) );
 
 applyTextSettings( aKiCadField,
 aCadstarAttrLoc.TextCodeID,
 aCadstarAttrLoc.Alignment,
 aCadstarAttrLoc.Justification,
 aCadstarAttrLoc.OrientAngle,
 aCadstarAttrLoc.Mirror );
}
 
 
SCH_SYMBOL* CADSTAR_SCH_ARCHIVE_LOADER::loadSchematicSymbol( const SYMBOL& aCadstarSymbol,
 const LIB_SYMBOL& aKiCadPart,
 EDA_ANGLE& aComponentOrientation )
{
 LIB_ID libId;
 libId.SetLibItemName( aKiCadPart.GetName() );
 
 int unit = getKiCadUnitNumberFromGate( aCadstarSymbol.GateID );
 
 SCH_SHEET_PATH sheetpath;
 SCH_SHEET* kiSheet = m_sheetMap.at( aCadstarSymbol.LayerID );
 m_rootSheet->LocatePathOfScreen( kiSheet->GetScreen(), &sheetpath );
 
 SCH_SYMBOL* symbol = new SCH_SYMBOL( aKiCadPart, libId, &sheetpath, unit );
 
 if( aCadstarSymbol.IsComponent )
 {
 symbol->SetRef( &sheetpath, aCadstarSymbol.ComponentRef.Designator );
 }
 
 symbol->SetPosition( getKiCadPoint( aCadstarSymbol.Origin ) );
 
 EDA_ANGLE compAngle = getAngle( aCadstarSymbol.OrientAngle );
 int compOrientation = 0;
 
 if( aCadstarSymbol.Mirror )
 {
 compAngle = -compAngle;
 compOrientation += SYMBOL_ORIENTATION_T::SYM_MIRROR_Y;
 }
 
 compOrientation += getComponentOrientation( compAngle, aComponentOrientation );
 EDA_ANGLE test1( compAngle );
 EDA_ANGLE test2( aComponentOrientation );
 
 if( test1.Normalize180() != test2.Normalize180() )
 {
 m_reporter->Report( wxString::Format( _( "Symbol '%s' is rotated by an angle of %.1f "
 "degrees in the original CADSTAR design but "
 "KiCad only supports rotation angles multiples "
 "of 90 degrees. The connecting wires will need "
 "manual fixing." ),
 aCadstarSymbol.ComponentRef.Designator,
 compAngle.AsDegrees() ),
 RPT_SEVERITY_ERROR );
 }
 
 symbol->SetOrientation( compOrientation );
 
 if( m_sheetMap.find( aCadstarSymbol.LayerID ) == m_sheetMap.end() )
 {
 m_reporter->Report( wxString::Format( _( "Symbol '%s' references sheet ID '%s' which does "
 "not exist in the design. The symbol was not "
 "loaded." ),
 aCadstarSymbol.ComponentRef.Designator,
 aCadstarSymbol.LayerID ),
 RPT_SEVERITY_ERROR );
 
 delete symbol;
 return nullptr;
 }
 
 wxString gate = ( aCadstarSymbol.GateID.IsEmpty() ) ? wxString( wxT( "A" ) ) : aCadstarSymbol.GateID;
 wxString partGateIndex = aCadstarSymbol.PartRef.RefID + gate;
 
 //Handle pin swaps
 if( m_pinNumsMap.find( partGateIndex ) != m_pinNumsMap.end() )
 {
 TERMINAL_TO_PINNUM_MAP termNumMap = m_pinNumsMap.at( partGateIndex );
 
 std::map<wxString, LIB_PIN*> pinNumToLibPinMap;
 
 for( auto& term : termNumMap )
 {
 wxString pinNum = term.second;
 pinNumToLibPinMap.insert( { pinNum,
 symbol->GetLibSymbolRef()->GetPin( term.second ) } );
 }
 
 auto replacePinNumber =
 [&]( wxString aOldPinNum, wxString aNewPinNum )
 {
 if( aOldPinNum == aNewPinNum )
 return;
 
 LIB_PIN* libpin = pinNumToLibPinMap.at( aOldPinNum );
 libpin->SetNumber( HandleTextOverbar( aNewPinNum ) );
 };
 
 //Older versions of Cadstar used pin numbers
 for( auto& pinPair : aCadstarSymbol.PinNumbers )
 {
 SYMBOL::PIN_NUM pin = pinPair.second;
 
 replacePinNumber( termNumMap.at( pin.TerminalID ),
 wxString::Format( "%ld", pin.PinNum ) );
 }
 
 //Newer versions of Cadstar use pin names
 for( auto& pinPair : aCadstarSymbol.PinNames )
 {
 SYMPINNAME_LABEL pin = pinPair.second;
 replacePinNumber( termNumMap.at( pin.TerminalID ), pin.NameOrLabel );
 }
 
 symbol->UpdatePins();
 }
 
 kiSheet->GetScreen()->Append( symbol );
 
 return symbol;
}
 
 
void CADSTAR_SCH_ARCHIVE_LOADER::loadSymbolFieldAttribute( const ATTRIBUTE_LOCATION& aCadstarAttrLoc,
 const EDA_ANGLE& aComponentOrientation,
 bool aIsMirrored,
 SCH_FIELD* aKiCadField )
{
 aKiCadField->SetPosition( getKiCadPoint( aCadstarAttrLoc.Position ) );
 aKiCadField->SetVisible( true );
 
 ALIGNMENT alignment = aCadstarAttrLoc.Alignment;
 EDA_ANGLE textAngle = getAngle( aCadstarAttrLoc.OrientAngle );
 
 if( aIsMirrored )
 {
 // We need to change the aligment when the symbol is mirrored based on the text orientation
 // To ensure the anchor point is the same in KiCad.
 
 int textIsVertical = KiROUND( textAngle.AsDegrees() / 90.0 ) % 2;
 
 if( textIsVertical )
 alignment = rotate180( alignment );
 
 alignment = mirrorX( alignment );
 }
 
 applyTextSettings( aKiCadField,
 aCadstarAttrLoc.TextCodeID,
 alignment,
 aCadstarAttrLoc.Justification,
 getCadstarAngle( textAngle - aComponentOrientation ),
 aCadstarAttrLoc.Mirror );
}
 
 
int CADSTAR_SCH_ARCHIVE_LOADER::getComponentOrientation( const EDA_ANGLE& aOrientAngle,
 EDA_ANGLE& aReturnedOrientation )
{
 int compOrientation = SYMBOL_ORIENTATION_T::SYM_ORIENT_0;
 
 EDA_ANGLE oDeg = aOrientAngle;
 oDeg.Normalize180();
 
 if( oDeg >= -ANGLE_45 && oDeg <= ANGLE_45 )
 {
 compOrientation = SYMBOL_ORIENTATION_T::SYM_ORIENT_0;
 aReturnedOrientation = ANGLE_0;
 }
 else if( oDeg >= ANGLE_45 && oDeg <= ANGLE_135 )
 {
 compOrientation = SYMBOL_ORIENTATION_T::SYM_ORIENT_90;
 aReturnedOrientation = ANGLE_90;
 }
 else if( oDeg >= ANGLE_135 || oDeg <= -ANGLE_135 )
 {
 compOrientation = SYMBOL_ORIENTATION_T::SYM_ORIENT_180;
 aReturnedOrientation = ANGLE_180;
 }
 else
 {
 compOrientation = SYMBOL_ORIENTATION_T::SYM_ORIENT_270;
 aReturnedOrientation = ANGLE_270;
 }
 
 return compOrientation;
}
 
 
CADSTAR_SCH_ARCHIVE_LOADER::POINT
CADSTAR_SCH_ARCHIVE_LOADER::getLocationOfNetElement( const NET_SCH& aNet,
 const NETELEMENT_ID& aNetElementID )
{
 // clang-format off
 auto logUnknownNetElementError =
 [&]()
 {
 m_reporter->Report( wxString::Format( _( "Net %s references unknown net element %s. "
 "The net was not properly loaded and may "
 "require manual fixing." ),
 getNetName( aNet ),
 aNetElementID ),
 RPT_SEVERITY_ERROR );
 
 return POINT();
 };
 // clang-format on
 
 if( aNetElementID.Contains( "J" ) ) // Junction
 {
 if( aNet.Junctions.find( aNetElementID ) == aNet.Junctions.end() )
 return logUnknownNetElementError();
 
 return aNet.Junctions.at( aNetElementID ).Location;
 }
 else if( aNetElementID.Contains( "P" ) ) // Terminal/Pin of a symbol
 {
 if( aNet.Terminals.find( aNetElementID ) == aNet.Terminals.end() )
 return logUnknownNetElementError();
 
 SYMBOL_ID symid = aNet.Terminals.at( aNetElementID ).SymbolID;
 TERMINAL_ID termid = aNet.Terminals.at( aNetElementID ).TerminalID;
 
 if( Schematic.Symbols.find( symid ) == Schematic.Symbols.end() )
 return logUnknownNetElementError();
 
 SYMBOL sym = Schematic.Symbols.at( symid );
 SYMDEF_ID symdefid = sym.SymdefID;
 VECTOR2I symbolOrigin = sym.Origin;
 
 if( Library.SymbolDefinitions.find( symdefid ) == Library.SymbolDefinitions.end() )
 return logUnknownNetElementError();
 
 VECTOR2I libpinPosition =
 Library.SymbolDefinitions.at( symdefid ).Terminals.at( termid ).Position;
 VECTOR2I libOrigin = Library.SymbolDefinitions.at( symdefid ).Origin;
 
 VECTOR2I pinOffset = libpinPosition - libOrigin;
 pinOffset.x = ( pinOffset.x * sym.ScaleRatioNumerator ) / sym.ScaleRatioDenominator;
 pinOffset.y = ( pinOffset.y * sym.ScaleRatioNumerator ) / sym.ScaleRatioDenominator;
 
 VECTOR2I pinPosition = symbolOrigin + pinOffset;
 EDA_ANGLE compAngle = getAngle( sym.OrientAngle );
 
 if( sym.Mirror )
 pinPosition.x = ( 2 * symbolOrigin.x ) - pinPosition.x;
 
 EDA_ANGLE adjustedOrientation;
 getComponentOrientation( compAngle, adjustedOrientation );
 
 RotatePoint( pinPosition, symbolOrigin, -adjustedOrientation );
 
 POINT retval;
 retval.x = pinPosition.x;
 retval.y = pinPosition.y;
 
 return retval;
 }
 else if( aNetElementID.Contains( "BT" ) ) // Bus Terminal
 {
 if( aNet.BusTerminals.find( aNetElementID ) == aNet.BusTerminals.end() )
 return logUnknownNetElementError();
 
 return aNet.BusTerminals.at( aNetElementID ).SecondPoint;
 }
 else if( aNetElementID.Contains( "BLKT" ) ) // Block Terminal (sheet hierarchy connection)
 {
 if( aNet.BlockTerminals.find( aNetElementID ) == aNet.BlockTerminals.end() )
 return logUnknownNetElementError();
 
 BLOCK_ID blockid = aNet.BlockTerminals.at( aNetElementID ).BlockID;
 TERMINAL_ID termid = aNet.BlockTerminals.at( aNetElementID ).TerminalID;
 
 if( Schematic.Blocks.find( blockid ) == Schematic.Blocks.end() )
 return logUnknownNetElementError();
 
 return Schematic.Blocks.at( blockid ).Terminals.at( termid ).Position;
 }
 else if( aNetElementID.Contains( "D" ) ) // Dangler
 {
 if( aNet.Danglers.find( aNetElementID ) == aNet.Danglers.end() )
 return logUnknownNetElementError();
 
 return aNet.Danglers.at( aNetElementID ).Position;
 }
 else
 {
 return logUnknownNetElementError();
 }
}
 
 
wxString CADSTAR_SCH_ARCHIVE_LOADER::getNetName( const NET_SCH& aNet )
{
 wxString netname = aNet.Name;
 
 if( netname.IsEmpty() )
 netname = wxString::Format( "$%ld", aNet.SignalNum );
 
 return netname;
}
 
 
void CADSTAR_SCH_ARCHIVE_LOADER::loadShapeVertices( const std::vector<VERTEX>& aCadstarVertices,
 LINECODE_ID aCadstarLineCodeID,
 LAYER_ID aCadstarSheetID,
 SCH_LAYER_ID aKiCadSchLayerID,
 const VECTOR2I& aMoveVector,
 const EDA_ANGLE& aRotation,
 const double& aScalingFactor,
 const VECTOR2I& aTransformCentre,
 const bool& aMirrorInvert )
{
 int lineWidth = KiROUND( getLineThickness( aCadstarLineCodeID ) * aScalingFactor );
 LINE_STYLE lineStyle = getLineStyle( aCadstarLineCodeID );
 
 const VERTEX* prev = &aCadstarVertices.at( 0 );
 const VERTEX* cur;
 
 wxASSERT_MSG( prev->Type == VERTEX_TYPE::POINT,
 "First vertex should always be a point vertex" );
 
 auto pointTransform =
 [&]( const VECTOR2I& aV )
 {
 return applyTransform( getKiCadPoint( aV ), aMoveVector, aRotation,
 aScalingFactor, aTransformCentre, aMirrorInvert );
 };
 
 for( size_t ii = 1; ii < aCadstarVertices.size(); ii++ )
 {
 cur = &aCadstarVertices.at( ii );
 
 VECTOR2I transformedStartPoint = pointTransform( prev->End );
 VECTOR2I transformedEndPoint = pointTransform( cur->End );
 
 switch( cur->Type )
 {
 case VERTEX_TYPE::CLOCKWISE_SEMICIRCLE:
 case VERTEX_TYPE::CLOCKWISE_ARC:
 case VERTEX_TYPE::ANTICLOCKWISE_SEMICIRCLE:
 case VERTEX_TYPE::ANTICLOCKWISE_ARC:
 {
 SHAPE_ARC tempArc = cur->BuildArc( transformedStartPoint, pointTransform );
 
 SCH_SHAPE* arcShape = new SCH_SHAPE( SHAPE_T::ARC, lineWidth );
 arcShape->SetArcGeometry( tempArc.GetP0(), tempArc.GetArcMid(), tempArc.GetP1() );
 
 loadItemOntoKiCadSheet( aCadstarSheetID, arcShape );
 }
 break;
 
 case VERTEX_TYPE::POINT:
 {
 SCH_LINE* segment = new SCH_LINE();
 
 segment->SetLayer( aKiCadSchLayerID );
 segment->SetLineWidth( lineWidth );
 segment->SetLineStyle( lineStyle );
 
 segment->SetStartPoint( transformedStartPoint );
 segment->SetEndPoint( transformedEndPoint );
 
 loadItemOntoKiCadSheet( aCadstarSheetID, segment );
 }
 break;
 
 default:
 wxFAIL_MSG( "Unknown CADSTAR Vertex type" );
 }
 
 
 prev = cur;
 }
}
 
 
void CADSTAR_SCH_ARCHIVE_LOADER::loadFigure( const FIGURE& aCadstarFigure,
 const LAYER_ID& aCadstarSheetIDOverride,
 SCH_LAYER_ID aKiCadSchLayerID,
 const VECTOR2I& aMoveVector,
 const EDA_ANGLE& aRotation,
 const double& aScalingFactor,
 const VECTOR2I& aTransformCentre,
 const bool& aMirrorInvert )
{
 loadShapeVertices( aCadstarFigure.Shape.Vertices, aCadstarFigure.LineCodeID,
 aCadstarSheetIDOverride, aKiCadSchLayerID, aMoveVector, aRotation,
 aScalingFactor, aTransformCentre, aMirrorInvert );
 
 for( CUTOUT cutout : aCadstarFigure.Shape.Cutouts )
 {
 loadShapeVertices( cutout.Vertices, aCadstarFigure.LineCodeID, aCadstarSheetIDOverride,
 aKiCadSchLayerID, aMoveVector, aRotation, aScalingFactor,
 aTransformCentre, aMirrorInvert );
 }
}
 
 
void CADSTAR_SCH_ARCHIVE_LOADER::loadSheetAndChildSheets( LAYER_ID aCadstarSheetID,
 const VECTOR2I& aPosition,
 VECTOR2I aSheetSize,
 const SCH_SHEET_PATH& aParentSheet )
{
 wxCHECK_MSG( m_sheetMap.find( aCadstarSheetID ) == m_sheetMap.end(), ,
 "Sheet already loaded!" );
 
 SCH_SHEET* sheet = new SCH_SHEET(
 /* aParent */ aParentSheet.Last(),
 /* aPosition */ aPosition,
 /* aSize */ VECTOR2I( aSheetSize ) );
 SCH_SCREEN* screen = new SCH_SCREEN( m_schematic );
 SCH_SHEET_PATH instance( aParentSheet );
 
 sheet->SetScreen( screen );
 
 wxString name = Sheets.SheetNames.at( aCadstarSheetID );
 
 SCH_FIELD& sheetNameField = sheet->GetFields()[SHEETNAME];
 SCH_FIELD& filenameField = sheet->GetFields()[SHEETFILENAME];
 
 sheetNameField.SetText( name );
 
 int sheetNum = getSheetNumber( aCadstarSheetID );
 wxString loadedFilename = wxFileName( Filename ).GetName();
 std::string filename = wxString::Format( "%s_%02d", loadedFilename, sheetNum ).ToStdString();
 
 ReplaceIllegalFileNameChars( &filename );
 filename += wxT( "." ) + KiCadSchematicFileExtension;
 
 filenameField.SetText( filename );
 
 wxFileName fn( m_schematic->Prj().GetProjectPath() + filename );
 sheet->GetScreen()->SetFileName( fn.GetFullPath() );
 aParentSheet.Last()->GetScreen()->Append( sheet );
 instance.push_back( sheet );
 
 wxString pageNumStr = wxString::Format( "%d", getSheetNumber( aCadstarSheetID ) );
 instance.SetPageNumber( pageNumStr );
 
 sheet->AutoplaceFields( /* aScreen */ nullptr, /* aManual */ false );
 
 m_sheetMap.insert( { aCadstarSheetID, sheet } );
 
 loadChildSheets( aCadstarSheetID, instance );
}
 
 
void CADSTAR_SCH_ARCHIVE_LOADER::loadChildSheets( LAYER_ID aCadstarSheetID,
 const SCH_SHEET_PATH& aSheet )
{
 wxCHECK_MSG( m_sheetMap.find( aCadstarSheetID ) != m_sheetMap.end(), ,
 "FIXME! Parent sheet should be loaded before attempting to load subsheets" );
 
 for( std::pair<BLOCK_ID, BLOCK> blockPair : Schematic.Blocks )
 {
 BLOCK& block = blockPair.second;
 
 if( block.LayerID == aCadstarSheetID && block.Type == BLOCK::TYPE::CHILD )
 {
 if( block.AssocLayerID == wxT( "NO_LINK" ) )
 {
 if( block.Figures.size() > 0 )
 {
 m_reporter->Report( wxString::Format( _( "The block ID %s (Block name: '%s') "
 "is drawn on sheet '%s' but is not "
 "linked to another sheet in the "
 "design. KiCad requires all sheet "
 "symbols to be associated to a sheet, "
 "so the block was not loaded." ),
 block.ID, block.Name,
 Sheets.SheetNames.at( aCadstarSheetID ) ),
 RPT_SEVERITY_ERROR );
 }
 
 continue;
 }
 
 // In KiCad you can only draw rectangular shapes whereas in Cadstar arbitrary shapes
 // are allowed. We will calculate the extents of the Cadstar shape and draw a rectangle
 
 std::pair<VECTOR2I, VECTOR2I> blockExtents;
 
 if( block.Figures.size() > 0 )
 {
 blockExtents = getFigureExtentsKiCad( block.Figures.begin()->second );
 }
 else
 {
 THROW_IO_ERROR( wxString::Format( _( "The CADSTAR schematic might be corrupt: "
 "Block %s references a child sheet but has no "
 "Figure defined." ),
 block.ID ) );
 }
 
 loadSheetAndChildSheets( block.AssocLayerID, blockExtents.first, blockExtents.second,
 aSheet );
 
 // Hide all KiCad sheet properties (sheet name/filename is not applicable in CADSTAR)
 SCH_SHEET* loadedSheet = m_sheetMap.at( block.AssocLayerID );
 SCH_FIELDS fields = loadedSheet->GetFields();
 
 for( SCH_FIELD& field : fields )
 {
 field.SetVisible( false );
 }
 
 if( block.HasBlockLabel )
 {
 //@todo use below code when KiCad supports multi-line fields
 /*
 // Add the block label as a separate field
 SCH_FIELD blockNameField( getKiCadPoint( block.BlockLabel.Position ), 2,
 loadedSheet, wxString( "Block name" ) );
 blockNameField.SetText( block.Name );
 blockNameField.SetVisible( true );
 
 applyTextSettings( &blockNameField,
 block.BlockLabel.TextCodeID,
 block.BlockLabel.Alignment,
 block.BlockLabel.Justification,
 block.BlockLabel.OrientAngle,
 block.BlockLabel.Mirror );
 
 fields.push_back( blockNameField );*/
 
 // For now as as a text item (supports multi-line properly)
 SCH_TEXT* kiTxt = new SCH_TEXT();
 
 kiTxt->SetParent( m_schematic );
 kiTxt->SetPosition( getKiCadPoint( block.BlockLabel.Position ) );
 kiTxt->SetText( block.Name );
 
 applyTextSettings( kiTxt,
 block.BlockLabel.TextCodeID,
 block.BlockLabel.Alignment,
 block.BlockLabel.Justification,
 block.BlockLabel.OrientAngle,
 block.BlockLabel.Mirror );
 
 loadItemOntoKiCadSheet( aCadstarSheetID, kiTxt );
 }
 
 loadedSheet->SetFields( fields );
 }
 }
}
 
 
std::vector<CADSTAR_SCH_ARCHIVE_LOADER::LAYER_ID> CADSTAR_SCH_ARCHIVE_LOADER::findOrphanSheets()
{
 std::vector<LAYER_ID> childSheets, orphanSheets;
 
 //Find all sheets that are child of another
 for( std::pair<BLOCK_ID, BLOCK> blockPair : Schematic.Blocks )
 {
 BLOCK& block = blockPair.second;
 LAYER_ID& assocSheetID = block.AssocLayerID;
 
 if( block.Type == BLOCK::TYPE::CHILD )
 childSheets.push_back( assocSheetID );
 }
 
 //Add sheets that do not have a parent
 for( LAYER_ID sheetID : Sheets.SheetOrder )
 {
 if( std::find( childSheets.begin(), childSheets.end(), sheetID ) == childSheets.end() )
 orphanSheets.push_back( sheetID );
 }
 
 return orphanSheets;
}
 
 
int CADSTAR_SCH_ARCHIVE_LOADER::getSheetNumber( LAYER_ID aCadstarSheetID )
{
 int i = 1;
 
 for( LAYER_ID sheetID : Sheets.SheetOrder )
 {
 if( sheetID == aCadstarSheetID )
 return i;
 
 ++i;
 }
 
 return -1;
}
 
 
void CADSTAR_SCH_ARCHIVE_LOADER::loadItemOntoKiCadSheet( LAYER_ID aCadstarSheetID, SCH_ITEM* aItem )
{
 wxCHECK_MSG( aItem, /*void*/, "aItem is null" );
 
 if( aCadstarSheetID == "ALL_SHEETS" )
 {
 SCH_ITEM* duplicateItem = nullptr;
 
 for( std::pair<LAYER_ID, SHEET_NAME> sheetPair : Sheets.SheetNames )
 {
 LAYER_ID sheetID = sheetPair.first;
 duplicateItem = aItem->Duplicate();
 m_sheetMap.at( sheetID )->GetScreen()->Append( aItem->Duplicate() );
 }
 
 //Get rid of the extra copy:
 delete aItem;
 aItem = duplicateItem;
 }
 else if( aCadstarSheetID == "NO_SHEET" )
 {
 wxASSERT_MSG( false,
 "Trying to add an item to NO_SHEET? This might be a documentation symbol." );
 }
 else
 {
 if( m_sheetMap.find( aCadstarSheetID ) != m_sheetMap.end() )
 {
 m_sheetMap.at( aCadstarSheetID )->GetScreen()->Append( aItem );
 }
 else
 {
 delete aItem;
 wxASSERT_MSG( false, "Unknown Sheet ID." );
 }
 }
}
 
 
CADSTAR_SCH_ARCHIVE_LOADER::SYMDEF_ID
CADSTAR_SCH_ARCHIVE_LOADER::getSymDefFromName( const wxString& aSymdefName,
 const wxString& aSymDefAlternate )
{
 if( m_SymDefNamesCache.size() != Library.SymbolDefinitions.size() )
 {
 // Re-initialise
 m_SymDefNamesCache.clear();
 m_DefaultSymDefNamesCache.clear();
 
 // Create a lower case cache to avoid searching each time
 for( auto& [id, symdef] : Library.SymbolDefinitions )
 {
 wxString refKey = symdef.ReferenceName.Lower();
 wxString altKey = symdef.Alternate.Lower();
 
 m_SymDefNamesCache[{ refKey, altKey }] = id;
 
 // Secondary cache to find symbols just by the Name (e.g. if the alternate
 // does not exist, we still want to return a symbo - the same behaviour
 // as CADSTAR
 
 if( !m_DefaultSymDefNamesCache.count( refKey ) )
 {
 m_DefaultSymDefNamesCache.insert( { refKey, id } );
 }
 else if( altKey.IsEmpty() )
 {
 // Always use the empty alternate if it exists
 m_DefaultSymDefNamesCache[refKey] = id;
 }
 }
 }
 
 wxString refKeyToFind = aSymdefName.Lower();
 wxString altKeyToFind = aSymDefAlternate.Lower();
 
 if( m_SymDefNamesCache.count( { refKeyToFind, altKeyToFind } ) )
 {
 return m_SymDefNamesCache[{ refKeyToFind, altKeyToFind }];
 }
 else if( m_DefaultSymDefNamesCache.count( refKeyToFind ) )
 {
 return m_DefaultSymDefNamesCache[refKeyToFind];
 }
 
 
 return SYMDEF_ID();
}
 
 
bool CADSTAR_SCH_ARCHIVE_LOADER::isAttributeVisible( const ATTRIBUTE_ID& aCadstarAttributeID )
{
 // Use CADSTAR visibility settings to determine if an attribute is visible
 if( AttrColors.AttributeColors.find( aCadstarAttributeID ) != AttrColors.AttributeColors.end() )
 {
 return AttrColors.AttributeColors.at( aCadstarAttributeID ).IsVisible;
 }
 
 return false; // If there is no visibility setting, assume not displayed
}
 
 
int CADSTAR_SCH_ARCHIVE_LOADER::getLineThickness( const LINECODE_ID& aCadstarLineCodeID )
{
 wxCHECK( Assignments.Codedefs.LineCodes.find( aCadstarLineCodeID )
 != Assignments.Codedefs.LineCodes.end(),
 schIUScale.MilsToIU( DEFAULT_WIRE_WIDTH_MILS ) );
 
 return getKiCadLength( Assignments.Codedefs.LineCodes.at( aCadstarLineCodeID ).Width );
}
 
 
LINE_STYLE CADSTAR_SCH_ARCHIVE_LOADER::getLineStyle( const LINECODE_ID& aCadstarLineCodeID )
{
 wxCHECK( Assignments.Codedefs.LineCodes.find( aCadstarLineCodeID )
 != Assignments.Codedefs.LineCodes.end(),
 LINE_STYLE::SOLID );
 
 // clang-format off
 switch( Assignments.Codedefs.LineCodes.at( aCadstarLineCodeID ).Style )
 {
 case LINESTYLE::DASH: return LINE_STYLE::DASH;
 case LINESTYLE::DASHDOT: return LINE_STYLE::DASHDOT;
 case LINESTYLE::DASHDOTDOT: return LINE_STYLE::DASHDOT; //TODO: update in future
 case LINESTYLE::DOT: return LINE_STYLE::DOT;
 case LINESTYLE::SOLID: return LINE_STYLE::SOLID;
 default: return LINE_STYLE::DEFAULT;
 }
 // clang-format on
}
 
 
CADSTAR_SCH_ARCHIVE_LOADER::TEXTCODE
CADSTAR_SCH_ARCHIVE_LOADER::getTextCode( const TEXTCODE_ID& aCadstarTextCodeID )
{
 wxCHECK( Assignments.Codedefs.TextCodes.find( aCadstarTextCodeID )
 != Assignments.Codedefs.TextCodes.end(),
 TEXTCODE() );
 
 return Assignments.Codedefs.TextCodes.at( aCadstarTextCodeID );
}
 
 
int CADSTAR_SCH_ARCHIVE_LOADER::getTextHeightFromTextCode( const TEXTCODE_ID& aCadstarTextCodeID )
{
 TEXTCODE txtCode = getTextCode( aCadstarTextCodeID );
 
 return KiROUND( (double) getKiCadLength( txtCode.Height ) * TXT_HEIGHT_RATIO );
}
 
 
wxString CADSTAR_SCH_ARCHIVE_LOADER::getAttributeName( const ATTRIBUTE_ID& aCadstarAttributeID )
{
 wxCHECK( Assignments.Codedefs.AttributeNames.find( aCadstarAttributeID )
 != Assignments.Codedefs.AttributeNames.end(),
 aCadstarAttributeID );
 
 return Assignments.Codedefs.AttributeNames.at( aCadstarAttributeID ).Name;
}
 
 
CADSTAR_SCH_ARCHIVE_LOADER::PART
CADSTAR_SCH_ARCHIVE_LOADER::getPart( const PART_ID& aCadstarPartID )
{
 wxCHECK( Parts.PartDefinitions.find( aCadstarPartID ) != Parts.PartDefinitions.end(), PART() );
 
 return Parts.PartDefinitions.at( aCadstarPartID );
}
 
 
CADSTAR_SCH_ARCHIVE_LOADER::ROUTECODE
CADSTAR_SCH_ARCHIVE_LOADER::getRouteCode( const ROUTECODE_ID& aCadstarRouteCodeID )
{
 wxCHECK( Assignments.Codedefs.RouteCodes.find( aCadstarRouteCodeID )
 != Assignments.Codedefs.RouteCodes.end(),
 ROUTECODE() );
 
 return Assignments.Codedefs.RouteCodes.at( aCadstarRouteCodeID );
}
 
 
CADSTAR_SCH_ARCHIVE_LOADER::PART::DEFINITION::PIN
CADSTAR_SCH_ARCHIVE_LOADER::getPartDefinitionPin( const PART& aCadstarPart, const GATE_ID& aGateID,
 const TERMINAL_ID& aTerminalID )
{
 for( std::pair<PART_DEFINITION_PIN_ID, PART::DEFINITION::PIN> pinPair :
 aCadstarPart.Definition.Pins )
 {
 PART::DEFINITION::PIN partPin = pinPair.second;
 
 if( partPin.TerminalGate == aGateID && partPin.TerminalPin == aTerminalID )
 return partPin;
 }
 
 return PART::DEFINITION::PIN();
}
 
 
ELECTRICAL_PINTYPE CADSTAR_SCH_ARCHIVE_LOADER::getKiCadPinType( const CADSTAR_PIN_TYPE& aPinType )
{
 switch( aPinType )
 {
 case CADSTAR_PIN_TYPE::UNCOMMITTED: return ELECTRICAL_PINTYPE::PT_PASSIVE;
 case CADSTAR_PIN_TYPE::INPUT: return ELECTRICAL_PINTYPE::PT_INPUT;
 case CADSTAR_PIN_TYPE::OUTPUT_OR: return ELECTRICAL_PINTYPE::PT_OPENCOLLECTOR;
 case CADSTAR_PIN_TYPE::OUTPUT_NOT_OR: return ELECTRICAL_PINTYPE::PT_OUTPUT;
 case CADSTAR_PIN_TYPE::OUTPUT_NOT_NORM_OR: return ELECTRICAL_PINTYPE::PT_OUTPUT;
 case CADSTAR_PIN_TYPE::POWER: return ELECTRICAL_PINTYPE::PT_POWER_IN;
 case CADSTAR_PIN_TYPE::GROUND: return ELECTRICAL_PINTYPE::PT_POWER_IN;
 case CADSTAR_PIN_TYPE::TRISTATE_BIDIR: return ELECTRICAL_PINTYPE::PT_BIDI;
 case CADSTAR_PIN_TYPE::TRISTATE_INPUT: return ELECTRICAL_PINTYPE::PT_INPUT;
 case CADSTAR_PIN_TYPE::TRISTATE_DRIVER: return ELECTRICAL_PINTYPE::PT_OUTPUT;
 }
 
 return ELECTRICAL_PINTYPE::PT_UNSPECIFIED;
}
 
int CADSTAR_SCH_ARCHIVE_LOADER::getKiCadUnitNumberFromGate( const GATE_ID& aCadstarGateID )
{
 if( aCadstarGateID.IsEmpty() )
 return 1;
 
 return (int) aCadstarGateID.Upper().GetChar( 0 ) - (int) wxUniChar( 'A' ) + 1;
}
 
 
SPIN_STYLE CADSTAR_SCH_ARCHIVE_LOADER::getSpinStyle( const long long& aCadstarOrientation,
 bool aMirror )
{
 EDA_ANGLE orientation = getAngle( aCadstarOrientation );
 SPIN_STYLE spinStyle = getSpinStyle( orientation );
 
 if( aMirror )
 {
 spinStyle = spinStyle.RotateCCW();
 spinStyle = spinStyle.RotateCCW();
 }
 
 return spinStyle;
}
 
 
SPIN_STYLE CADSTAR_SCH_ARCHIVE_LOADER::getSpinStyle( const EDA_ANGLE& aOrientation )
{
 SPIN_STYLE spinStyle = SPIN_STYLE::LEFT;
 
 EDA_ANGLE oDeg = aOrientation;
 oDeg.Normalize180();
 
 if( oDeg >= -ANGLE_45 && oDeg <= ANGLE_45 )
 spinStyle = SPIN_STYLE::RIGHT; // 0deg
 else if( oDeg >= ANGLE_45 && oDeg <= ANGLE_135 )
 spinStyle = SPIN_STYLE::UP; // 90deg
 else if( oDeg >= ANGLE_135 || oDeg <= -ANGLE_135 )
 spinStyle = SPIN_STYLE::LEFT; // 180deg
 else
 spinStyle = SPIN_STYLE::BOTTOM; // 270deg
 
 return spinStyle;
}
 
 
CADSTAR_SCH_ARCHIVE_LOADER::ALIGNMENT
CADSTAR_SCH_ARCHIVE_LOADER::mirrorX( const ALIGNMENT& aCadstarAlignment )
{
 switch( aCadstarAlignment )
 {
 // Change left to right:
 case ALIGNMENT::NO_ALIGNMENT:
 case ALIGNMENT::BOTTOMLEFT: return ALIGNMENT::BOTTOMRIGHT;
 case ALIGNMENT::CENTERLEFT: return ALIGNMENT::CENTERRIGHT;
 case ALIGNMENT::TOPLEFT: return ALIGNMENT::TOPRIGHT;
 
 //Change right to left:
 case ALIGNMENT::BOTTOMRIGHT: return ALIGNMENT::BOTTOMLEFT;
 case ALIGNMENT::CENTERRIGHT: return ALIGNMENT::CENTERLEFT;
 case ALIGNMENT::TOPRIGHT: return ALIGNMENT::TOPLEFT;
 
 // Center alignment does not mirror:
 case ALIGNMENT::BOTTOMCENTER:
 case ALIGNMENT::CENTERCENTER:
 case ALIGNMENT::TOPCENTER: return aCadstarAlignment;
 
 // Shouldn't be here
 default: wxFAIL_MSG( "Unknown Cadstar Alignment" ); return aCadstarAlignment;
 }
}
 
 
CADSTAR_SCH_ARCHIVE_LOADER::ALIGNMENT
CADSTAR_SCH_ARCHIVE_LOADER::rotate180( const ALIGNMENT& aCadstarAlignment )
{
 switch( aCadstarAlignment )
 {
 case ALIGNMENT::NO_ALIGNMENT:
 case ALIGNMENT::BOTTOMLEFT: return ALIGNMENT::TOPRIGHT;
 case ALIGNMENT::BOTTOMCENTER: return ALIGNMENT::TOPCENTER;
 case ALIGNMENT::BOTTOMRIGHT: return ALIGNMENT::TOPLEFT;
 case ALIGNMENT::TOPLEFT: return ALIGNMENT::BOTTOMRIGHT;
 case ALIGNMENT::TOPCENTER: return ALIGNMENT::BOTTOMCENTER;
 case ALIGNMENT::TOPRIGHT: return ALIGNMENT::BOTTOMLEFT;
 case ALIGNMENT::CENTERLEFT: return ALIGNMENT::CENTERRIGHT;
 case ALIGNMENT::CENTERCENTER: return ALIGNMENT::CENTERCENTER;
 case ALIGNMENT::CENTERRIGHT: return ALIGNMENT::CENTERLEFT;
 
 // Shouldn't be here
 default: wxFAIL_MSG( "Unknown Cadstar Alignment" ); return aCadstarAlignment;
 }
}
 
 
void CADSTAR_SCH_ARCHIVE_LOADER::applyTextCodeIfExists( EDA_TEXT* aKiCadTextItem,
 const TEXTCODE_ID& aCadstarTextCodeID )
{
 // Ensure we have no Cadstar overbar characters
 wxString escapedText = HandleTextOverbar( aKiCadTextItem->GetText() );
 aKiCadTextItem->SetText( escapedText );
 
 if( !Assignments.Codedefs.TextCodes.count( aCadstarTextCodeID ) )
 return;
 
 TEXTCODE textCode = getTextCode( aCadstarTextCodeID );
 int textHeight = KiROUND( (double) getKiCadLength( textCode.Height ) * TXT_HEIGHT_RATIO );
 int textWidth = getKiCadLength( textCode.Width );
 
 // The width is zero for all non-cadstar fonts. Using a width equal to 2/3 the height seems
 // to work well for most fonts.
 if( textWidth == 0 )
 textWidth = getKiCadLength( 2LL * textCode.Height / 3LL );
 
 aKiCadTextItem->SetTextWidth( textWidth );
 aKiCadTextItem->SetTextHeight( textHeight );
 
#if 0
 // EEschema currently supports only normal vs bold for text thickness.
 aKiCadTextItem->SetTextThickness( getKiCadLength( textCode.LineWidth ) );
#endif
 
 aKiCadTextItem->SetBold( textCode.Font.Modifier1 == FONT_BOLD );
 aKiCadTextItem->SetItalic( textCode.Font.Italic );
}
 
 
void CADSTAR_SCH_ARCHIVE_LOADER::applyTextSettings( EDA_TEXT* aKiCadTextItem,
 const TEXTCODE_ID& aCadstarTextCodeID,
 const ALIGNMENT& aCadstarAlignment,
 const JUSTIFICATION& aCadstarJustification,
 const long long aCadstarOrientAngle,
 bool aMirrored )
{
 applyTextCodeIfExists( aKiCadTextItem, aCadstarTextCodeID );
 aKiCadTextItem->SetTextAngle( getAngle( aCadstarOrientAngle ) );
 
 // Justification ignored for now as not supported in Eeschema, but leaving this code in
 // place for future upgrades.
 // TODO update this when Eeschema supports justification independent of anchor position.
 ALIGNMENT textAlignment = aCadstarAlignment;
 
 // KiCad mirrors the justification and alignment when the symbol is mirrored but CADSTAR
 // specifies it post-mirroring. In contrast, if the text item itself is mirrored (not
 // supported in KiCad), CADSTAR specifies the alignment and justification pre-mirroring
 if( aMirrored )
 textAlignment = mirrorX( aCadstarAlignment );
 
 auto setAlignment =
 [&]( EDA_TEXT* aText, ALIGNMENT aAlignment )
 {
 switch( aAlignment )
 {
 case ALIGNMENT::NO_ALIGNMENT: // Bottom left of the first line
 //No exact KiCad equivalent, so lets move the position of the text
 FixTextPositionNoAlignment( aText );
 KI_FALLTHROUGH;
 case ALIGNMENT::BOTTOMLEFT:
 aText->SetVertJustify( GR_TEXT_V_ALIGN_BOTTOM );
 aText->SetHorizJustify( GR_TEXT_H_ALIGN_LEFT );
 break;
 
 case ALIGNMENT::BOTTOMCENTER:
 aText->SetVertJustify( GR_TEXT_V_ALIGN_BOTTOM );
 aText->SetHorizJustify( GR_TEXT_H_ALIGN_CENTER );
 break;
 
 case ALIGNMENT::BOTTOMRIGHT:
 aText->SetVertJustify( GR_TEXT_V_ALIGN_BOTTOM );
 aText->SetHorizJustify( GR_TEXT_H_ALIGN_RIGHT );
 break;
 
 case ALIGNMENT::CENTERLEFT:
 aText->SetVertJustify( GR_TEXT_V_ALIGN_CENTER );
 aText->SetHorizJustify( GR_TEXT_H_ALIGN_LEFT );
 break;
 
 case ALIGNMENT::CENTERCENTER:
 aText->SetVertJustify( GR_TEXT_V_ALIGN_CENTER );
 aText->SetHorizJustify( GR_TEXT_H_ALIGN_CENTER );
 break;
 
 case ALIGNMENT::CENTERRIGHT:
 aText->SetVertJustify( GR_TEXT_V_ALIGN_CENTER );
 aText->SetHorizJustify( GR_TEXT_H_ALIGN_RIGHT );
 break;
 
 case ALIGNMENT::TOPLEFT:
 aText->SetVertJustify( GR_TEXT_V_ALIGN_TOP );
 aText->SetHorizJustify( GR_TEXT_H_ALIGN_LEFT );
 break;
 
 case ALIGNMENT::TOPCENTER:
 aText->SetVertJustify( GR_TEXT_V_ALIGN_TOP );
 aText->SetHorizJustify( GR_TEXT_H_ALIGN_CENTER );
 break;
 
 case ALIGNMENT::TOPRIGHT:
 aText->SetVertJustify( GR_TEXT_V_ALIGN_TOP );
 aText->SetHorizJustify( GR_TEXT_H_ALIGN_RIGHT );
 break;
 }
 };
 
 SPIN_STYLE spin = getSpinStyle( aCadstarOrientAngle, aMirrored );
 EDA_ITEM* textEdaItem = dynamic_cast<EDA_ITEM*>( aKiCadTextItem );
 wxCHECK( textEdaItem, /* void */ ); // ensure this is a EDA_ITEM
 
 switch( textEdaItem->Type() )
 {
 // Some KiCad schematic text items only permit a limited amount of angles
 // and text justifications
 case LIB_TEXT_T:
 case SCH_FIELD_T:
 case LIB_FIELD_T:
 {
 // Spin style not used. All text justifications are permitted. However, only orientations
 // of 0 deg or 90 deg are supported
 EDA_ANGLE angle = aKiCadTextItem->GetTextAngle();
 angle.Normalize();
 
 int quadrant = KiROUND( angle.AsDegrees() / 90.0 );
 quadrant %= 4;
 
 switch( quadrant )
 {
 case 0:
 angle = ANGLE_HORIZONTAL;
 break;
 case 1:
 angle = ANGLE_VERTICAL;
 break;
 case 2:
 angle = ANGLE_HORIZONTAL;
 textAlignment = rotate180( textAlignment );
 break;
 case 3:
 angle = ANGLE_VERTICAL;
 textAlignment = rotate180( textAlignment );
 break;
 default:
 wxFAIL_MSG( "Unknown Quadrant" );
 }
 
 aKiCadTextItem->SetTextAngle( angle );
 setAlignment( aKiCadTextItem, textAlignment );
 return;
 }
 
 case SCH_TEXT_T:
 {
 // Note spin style in a SCH_TEXT results in a vertical alignment GR_TEXT_V_ALIGN_BOTTOM
 // so need to adjust the location of the text element based on Cadstar's original text
 // alignment (anchor position).
 setAlignment( aKiCadTextItem, textAlignment );
 BOX2I bb = textEdaItem->GetBoundingBox();
 int off = static_cast<SCH_TEXT*>( aKiCadTextItem )->GetTextOffset();
 VECTOR2I pos;
 
 // Change the anchor point of the text item to make it match the same bounding box
 // And correct the error introduced by the text offsetting in KiCad
 switch( spin )
 {
 case SPIN_STYLE::BOTTOM: pos = { bb.GetRight() - off, bb.GetTop() }; break;
 case SPIN_STYLE::UP: pos = { bb.GetRight() - off, bb.GetBottom() }; break;
 case SPIN_STYLE::LEFT: pos = { bb.GetRight() , bb.GetBottom() + off }; break;
 case SPIN_STYLE::RIGHT: pos = { bb.GetLeft() , bb.GetBottom() + off }; break;
 }
 
 aKiCadTextItem->SetTextPos( pos );
 }
 KI_FALLTHROUGH;
 
 // We don't want to change position of net labels as that would break connectivity
 case SCH_LABEL_T:
 case SCH_GLOBAL_LABEL_T:
 case SCH_HIER_LABEL_T:
 case SCH_SHEET_PIN_T:
 static_cast<SCH_LABEL_BASE*>( aKiCadTextItem )->SetSpinStyle( spin );
 return;
 
 default:
 wxFAIL_MSG( "Unexpected item type" );
 return;
 }
}
 
 
SCH_TEXT* CADSTAR_SCH_ARCHIVE_LOADER::getKiCadSchText( const TEXT& aCadstarTextElement )
{
 SCH_TEXT* kiTxt = new SCH_TEXT();
 
 kiTxt->SetParent( m_schematic ); // set to the schematic for now to avoid asserts
 kiTxt->SetPosition( getKiCadPoint( aCadstarTextElement.Position ) );
 kiTxt->SetText( aCadstarTextElement.Text );
 
 applyTextSettings( kiTxt,
 aCadstarTextElement.TextCodeID,
 aCadstarTextElement.Alignment,
 aCadstarTextElement.Justification,
 aCadstarTextElement.OrientAngle,
 aCadstarTextElement.Mirror );
 
 return kiTxt;
}
 
 
LIB_SYMBOL* CADSTAR_SCH_ARCHIVE_LOADER::getScaledLibPart( const LIB_SYMBOL* aSymbol,
 long long aScalingFactorNumerator,
 long long aScalingFactorDenominator )
{
 LIB_SYMBOL* retval = new LIB_SYMBOL( *aSymbol );
 
 if( aScalingFactorNumerator == aScalingFactorDenominator )
 return retval; // 1:1 scale, nothing to do
 
 auto scaleLen =
 [&]( int aLength ) -> int
 {
 return( aLength * aScalingFactorNumerator ) / aScalingFactorDenominator;
 };
 
 auto scalePt =
 [&]( VECTOR2I aCoord ) -> VECTOR2I
 {
 return VECTOR2I( scaleLen( aCoord.x ), scaleLen( aCoord.y ) );
 };
 
 auto scaleSize =
 [&]( VECTOR2I aSize ) -> VECTOR2I
 {
 return VECTOR2I( scaleLen( aSize.x ), scaleLen( aSize.y ) );
 };
 
 LIB_ITEMS_CONTAINER& items = retval->GetDrawItems();
 
 for( LIB_ITEM& item : items )
 {
 switch( item.Type() )
 {
 case KICAD_T::LIB_SHAPE_T:
 {
 LIB_SHAPE& shape = static_cast<LIB_SHAPE&>( item );
 
 if( shape.GetShape() == SHAPE_T::ARC )
 {
 shape.SetPosition( scalePt( shape.GetPosition() ) );
 shape.SetStart( scalePt( shape.GetStart() ) );
 shape.SetEnd( scalePt( shape.GetEnd() ) );
 }
 else if( shape.GetShape() == SHAPE_T::POLY )
 {
 SHAPE_LINE_CHAIN& poly = shape.GetPolyShape().Outline( 0 );
 
 for( size_t ii = 0; ii < poly.GetPointCount(); ++ii )
 poly.SetPoint( ii, scalePt( poly.CPoint( ii ) ) );
 }
 break;
 }
 
 case KICAD_T::LIB_PIN_T:
 {
 LIB_PIN& pin = static_cast<LIB_PIN&>( item );
 
 pin.SetPosition( scalePt( pin.GetPosition() ) );
 pin.SetLength( scaleLen( pin.GetLength() ) );
 break;
 }
 
 case KICAD_T::LIB_TEXT_T:
 {
 LIB_TEXT& txt = static_cast<LIB_TEXT&>( item );
 
 txt.SetPosition( scalePt( txt.GetPosition() ) );
 txt.SetTextSize( scaleSize( txt.GetTextSize() ) );
 break;
 }
 
 default:
 break;
 }
 
 }
 
 return retval;
}
 
 
void CADSTAR_SCH_ARCHIVE_LOADER::fixUpLibraryPins( LIB_SYMBOL* aSymbolToFix, int aGateNumber )
{
 auto compLambda = []( const VECTOR2I& aA, const VECTOR2I& aB )
 {
 return LexicographicalCompare( aA, aB ) < 0;
 };
 
 // Store a list of vertical or horizontal segments in the symbol
 // Note: Need the custom comparison function to ensure the map is sorted correctly
 std::map<VECTOR2I, SHAPE_LINE_CHAIN, decltype( compLambda )> uniqueSegments( compLambda );
 
 LIB_ITEMS_CONTAINER::ITERATOR shapeIt = aSymbolToFix->GetDrawItems().begin( LIB_SHAPE_T );
 
 for( ; shapeIt != aSymbolToFix->GetDrawItems().end( LIB_SHAPE_T ); ++shapeIt )
 {
 LIB_SHAPE& shape = static_cast<LIB_SHAPE&>( *shapeIt );
 
 if( aGateNumber > 0 && shape.GetUnit() != aGateNumber )
 continue;
 
 if( shape.GetShape() != SHAPE_T::POLY )
 continue;
 
 SHAPE_LINE_CHAIN poly = shape.GetPolyShape().Outline( 0 );
 
 if( poly.GetPointCount() == 2 )
 {
 VECTOR2I pt0 = poly.CPoint( 0 );
 VECTOR2I pt1 = poly.CPoint( 1 );
 
 if( pt0 != pt1 && uniqueSegments.count( pt0 ) == 0 && uniqueSegments.count( pt1 ) == 0 )
 {
 // we are only interested in vertical or horizontal segments
 if( pt0.x == pt1.x || pt0.y == pt1.y )
 {
 uniqueSegments.insert( { pt0, poly } );
 uniqueSegments.insert( { pt1, poly } );
 }
 }
 }
 }
 
 LIB_PINS pins;
 aSymbolToFix->GetPins( pins, aGateNumber );
 
 for( auto& pin : pins )
 {
 auto setPinOrientation =
 [&]( const EDA_ANGLE& aAngle )
 {
 EDA_ANGLE angle( aAngle );
 angle.Normalize180();
 
 if( angle >= -ANGLE_45 && angle <= ANGLE_45 )
 pin->SetOrientation( PIN_ORIENTATION::PIN_RIGHT ); // 0 degrees
 else if( angle >= ANGLE_45 && angle <= ANGLE_135 )
 pin->SetOrientation( PIN_ORIENTATION::PIN_UP ); // 90 degrees
 else if( angle >= ANGLE_135 || angle <= -ANGLE_135 )
 pin->SetOrientation( PIN_ORIENTATION::PIN_LEFT ); // 180 degrees
 else
 pin->SetOrientation( PIN_ORIENTATION::PIN_DOWN ); // -90 degrees
 };
 
 if( uniqueSegments.count( pin->GetPosition() ) )
 {
 SHAPE_LINE_CHAIN& poly = uniqueSegments.at( pin->GetPosition() );
 
 VECTOR2I otherPt = poly.CPoint( 0 );
 
 if( otherPt == pin->GetPosition() )
 otherPt = poly.CPoint( 1 );
 
 VECTOR2I vec( otherPt - pin->GetPosition() );
 
 pin->SetLength( vec.EuclideanNorm() );
 setPinOrientation( EDA_ANGLE( vec ) );
 }
 }
}
 
 
std::pair<VECTOR2I, VECTOR2I>
CADSTAR_SCH_ARCHIVE_LOADER::getFigureExtentsKiCad( const FIGURE& aCadstarFigure )
{
 VECTOR2I upperLeft( Assignments.Settings.DesignLimit.x, 0 );
 VECTOR2I lowerRight( 0, Assignments.Settings.DesignLimit.y );
 
 for( const VERTEX& v : aCadstarFigure.Shape.Vertices )
 {
 if( upperLeft.x > v.End.x )
 upperLeft.x = v.End.x;
 
 if( upperLeft.y < v.End.y )
 upperLeft.y = v.End.y;
 
 if( lowerRight.x < v.End.x )
 lowerRight.x = v.End.x;
 
 if( lowerRight.y > v.End.y )
 lowerRight.y = v.End.y;
 }
 
 for( CUTOUT cutout : aCadstarFigure.Shape.Cutouts )
 {
 for( const VERTEX& v : aCadstarFigure.Shape.Vertices )
 {
 if( upperLeft.x > v.End.x )
 upperLeft.x = v.End.x;
 
 if( upperLeft.y < v.End.y )
 upperLeft.y = v.End.y;
 
 if( lowerRight.x < v.End.x )
 lowerRight.x = v.End.x;
 
 if( lowerRight.y > v.End.y )
 lowerRight.y = v.End.y;
 }
 }
 
 VECTOR2I upperLeftKiCad = getKiCadPoint( upperLeft );
 VECTOR2I lowerRightKiCad = getKiCadPoint( lowerRight );
 
 VECTOR2I size = lowerRightKiCad - upperLeftKiCad;
 
 return { upperLeftKiCad, VECTOR2I( abs( size.x ), abs( size.y ) ) };
}
 
 
VECTOR2I CADSTAR_SCH_ARCHIVE_LOADER::getKiCadPoint( const VECTOR2I& aCadstarPoint )
{
 VECTOR2I retval;
 
 retval.x = getKiCadLength( aCadstarPoint.x - m_designCenter.x );
 retval.y = -getKiCadLength( aCadstarPoint.y - m_designCenter.y );
 
 return retval;
}
 
 
VECTOR2I CADSTAR_SCH_ARCHIVE_LOADER::getKiCadLibraryPoint( const VECTOR2I& aCadstarPoint,
 const VECTOR2I& aCadstarCentre )
{
 VECTOR2I retval;
 
 retval.x = getKiCadLength( aCadstarPoint.x - aCadstarCentre.x );
 retval.y = getKiCadLength( aCadstarPoint.y - aCadstarCentre.y );
 
 return retval;
}
 
 
VECTOR2I CADSTAR_SCH_ARCHIVE_LOADER::applyTransform( const VECTOR2I& aPoint,
 const VECTOR2I& aMoveVector,
 const EDA_ANGLE& aRotation,
 const double& aScalingFactor,
 const VECTOR2I& aTransformCentre,
 const bool& aMirrorInvert )
{
 VECTOR2I retVal = aPoint;
 
 if( aScalingFactor != 1.0 )
 {
 //scale point
 retVal -= aTransformCentre;
 retVal.x = KiROUND( retVal.x * aScalingFactor );
 retVal.y = KiROUND( retVal.y * aScalingFactor );
 retVal += aTransformCentre;
 }
 
 if( aMirrorInvert )
 MIRROR( retVal.x, aTransformCentre.x );
 
 if( !aRotation.IsZero() )
 RotatePoint( retVal, aTransformCentre, aRotation );
 
 if( aMoveVector != VECTOR2I{ 0, 0 } )
 retVal += aMoveVector;
 
 return retVal;
}
 
 
double CADSTAR_SCH_ARCHIVE_LOADER::getPolarRadius( const VECTOR2I& aPoint )
{
 return sqrt( ( (double) aPoint.x * (double) aPoint.x )
 + ( (double) aPoint.y * (double) aPoint.y ) );
}