sch_io_ltspice_parser.cpp

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/*
 * This program source code file is part of KiCad, a free EDA CAD application.
 *
 * Copyright (C) 2022 Chetan Subhash Shinde<[email protected]>
 * Copyright (C) 2023 CERN
 * Copyright (C) 2022-2024 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_io/ltspice/sch_io_ltspice_parser.h>
#include <sch_io/ltspice/ltspice_schematic.h>
#include <schematic.h>
#include <sch_line.h>
#include <sch_label.h>
#include <sch_edit_frame.h>
#include <sch_shape.h>
#include <sch_bus_entry.h>
 
 
void SCH_IO_LTSPICE_PARSER::Parse( SCH_SHEET_PATH* aSheet,
 std::vector<LTSPICE_SCHEMATIC::LT_ASC>& outLT_ASCs,
 const std::vector<wxString>& aAsyFileNames )
{
 // Center created objects in Kicad page
 BOX2I bbox;
 
 for( const LTSPICE_SCHEMATIC::LT_ASC& asc : outLT_ASCs )
 bbox.Merge( asc.BoundingBox );
 
 m_originOffset = { 0, 0 };
 bbox.SetOrigin( ToKicadCoords( bbox.GetOrigin() ) );
 bbox.SetSize( ToKicadCoords( bbox.GetSize() ) );
 
 VECTOR2I pageSize = aSheet->LastScreen()->GetPageSettings().GetSizeIU( schIUScale.IU_PER_MILS );
 int grid = schIUScale.MilsToIU( 50 );
 int margin = grid * 10;
 
 m_originOffset = ( pageSize / 2 ) - bbox.GetCenter();
 
 if( bbox.GetWidth() > pageSize.x - margin )
 m_originOffset.x = margin - bbox.GetLeft();
 
 if( bbox.GetHeight() > pageSize.y - margin )
 m_originOffset.y = margin - bbox.GetTop();
 
 m_originOffset = ( m_originOffset / grid ) * grid;
 
 readIncludes( outLT_ASCs );
 CreateKicadSYMBOLs( aSheet, outLT_ASCs, aAsyFileNames );
 CreateKicadSCH_ITEMs( aSheet, outLT_ASCs );
}
 
 
void SCH_IO_LTSPICE_PARSER::readIncludes( std::vector<LTSPICE_SCHEMATIC::LT_ASC>& outLT_ASCs )
{
 wxFileName ltSubDir( m_lt_schematic->GetLTspiceDataDir().GetFullPath(), wxEmptyString );
 ltSubDir.AppendDir( wxS( "sub" ) );
 
 for( const LTSPICE_SCHEMATIC::LT_ASC& asc : outLT_ASCs )
 {
 for( const LTSPICE_SCHEMATIC::TEXT& lt_text : asc.Texts )
 {
 for( wxString& line : wxSplit( lt_text.Value, '\n' ) )
 {
 if( line.StartsWith( wxS( ".include " ) ) || line.StartsWith( wxS( ".inc " ) )
 || line.StartsWith( wxS( ".lib " ) ) )
 {
 wxString path = line.AfterFirst( ' ' );
 
 path.Replace( '\\', '/' );
 wxFileName fileName( path );
 
 if( fileName.IsAbsolute() )
 {
 m_includes[fileName.GetName()] = fileName.GetFullPath();
 }
 else
 {
 fileName.MakeAbsolute( ltSubDir.GetFullPath() );
 m_includes[fileName.GetName()] = fileName.GetFullPath();
 }
 }
 }
 }
 }
}
 
 
void SCH_IO_LTSPICE_PARSER::CreateLines( LIB_SYMBOL* aSymbol,
 LTSPICE_SCHEMATIC::LT_SYMBOL& aLTSymbol,
 int aIndex, SCH_SHAPE* shape )
{
 LTSPICE_SCHEMATIC::LINE& lt_line = aLTSymbol.Lines[aIndex];
 
 shape->AddPoint( ToInvertedKicadCoords( lt_line.End ) );
 shape->AddPoint( ToInvertedKicadCoords( lt_line.Start ) );
 shape->SetStroke( getStroke( lt_line.LineWidth, lt_line.LineStyle ) );
}
 
 
void SCH_IO_LTSPICE_PARSER::CreateLines( LTSPICE_SCHEMATIC::LT_SYMBOL& aLTSymbol, int aIndex,
 SCH_SHEET_PATH* aSheet )
{
 LTSPICE_SCHEMATIC::LINE& lt_line = aLTSymbol.Lines[aIndex];
 SCH_SHAPE* shape = new SCH_SHAPE( SHAPE_T::POLY );
 
 shape->AddPoint( ToKicadCoords( lt_line.End ) );
 shape->AddPoint( ToKicadCoords( lt_line.Start ) );
 shape->SetStroke( getStroke( lt_line.LineWidth, lt_line.LineStyle ) );
 
 shape->Move( ToKicadCoords( aLTSymbol.Offset ) + m_originOffset );
 RotateMirrorShape( aLTSymbol, shape );
 
 aSheet->LastScreen()->Append( shape );
}
 
 
void SCH_IO_LTSPICE_PARSER::CreateKicadSYMBOLs( SCH_SHEET_PATH* aSheet,
 std::vector<LTSPICE_SCHEMATIC::LT_ASC>& outLT_ASCs,
 const std::vector<wxString>& aAsyFiles )
{
 for( LTSPICE_SCHEMATIC::LT_ASC& lt_asc : outLT_ASCs )
 {
 std::vector<LTSPICE_SCHEMATIC::LT_SYMBOL> symbols = lt_asc.Symbols;
 std::map<wxString, LIB_SYMBOL*> existingSymbol;
 std::map<wxString, SCH_SYMBOL*> existingSchematicSymbol;
 
 for( LTSPICE_SCHEMATIC::LT_SYMBOL& lt_symbol : symbols )
 {
 if( !alg::contains( aAsyFiles, lt_symbol.Name ) )
 {
 LIB_SYMBOL* lib_symbol;
 
 if( existingSymbol.count( lt_symbol.Name ) == 0 )
 {
 lib_symbol = new LIB_SYMBOL( lt_symbol.Name );
 
 CreateSymbol( lt_symbol, lib_symbol );
 
 existingSymbol.emplace( lt_symbol.Name, lib_symbol );
 }
 else
 {
 lib_symbol = existingSymbol[lt_symbol.Name];
 }
 
 LIB_ID libId( wxS( "ltspice" ), lt_symbol.Name );
 SCH_SYMBOL* sch_symbol = new SCH_SYMBOL( *lib_symbol, libId, aSheet, 1 );
 
 CreateFields( lt_symbol, sch_symbol, aSheet );
 
 for( int j = 0; j < (int) lt_symbol.Wires.size(); j++ )
 CreateWires( lt_symbol, j, aSheet );
 
 sch_symbol->Move( ToKicadCoords( lt_symbol.Offset ) + m_originOffset );
 RotateMirror( lt_symbol, sch_symbol );
 
 aSheet->LastScreen()->Append( sch_symbol );
 }
 else
 {
 for( int j = 0; j < (int) lt_symbol.Lines.size(); j++ )
 CreateLines( lt_symbol, j, aSheet );
 
 for( int j = 0; j < (int) lt_symbol.Circles.size(); j++ )
 CreateCircle( lt_symbol, j, aSheet );
 
 for( int j = 0; j < (int) lt_symbol.Arcs.size(); j++ )
 CreateArc( lt_symbol, j, aSheet );
 
 for( int j = 0; j < (int) lt_symbol.Rectangles.size(); j++ )
 CreateRect( lt_symbol, j, aSheet );
 
 // Calculating bounding box
 BOX2I bbox;
 
 LTSPICE_SCHEMATIC::LT_SYMBOL tempSymbol;
 LTSPICE_FILE tempAsyFile( lt_symbol.Name + ".asy", { 0, 0 } );
 LTSPICE_SCHEMATIC::LT_ASC dummyAsc;
 
 tempSymbol = m_lt_schematic->SymbolBuilder( lt_symbol.Name, dummyAsc );
 
 LIB_SYMBOL* tempLibSymbol = new LIB_SYMBOL( lt_symbol.Name );
 CreateSymbol( tempSymbol, tempLibSymbol );
 
 bbox = tempLibSymbol->GetBoundingBox();
 
 int topLeftX = lt_symbol.Offset.x + ToLtSpiceCoords( bbox.GetOrigin().x );
 int topLeftY = lt_symbol.Offset.y + ToLtSpiceCoords( bbox.GetOrigin().y );
 int botRightX = lt_symbol.Offset.x
 + ToLtSpiceCoords( bbox.GetOrigin().x )
 + ToLtSpiceCoords( bbox.GetSize().x );
 int botRightY = lt_symbol.Offset.y
 + ToLtSpiceCoords( bbox.GetOrigin().y )
 + ToLtSpiceCoords( bbox.GetSize().y );
 
 for( LTSPICE_SCHEMATIC::LT_PIN& pin : lt_symbol.Pins )
 {
 VECTOR2I pinPos = pin.PinLocation;
 
 for( LTSPICE_SCHEMATIC::WIRE& wire : lt_asc.Wires )
 {
 if( wire.Start == ( pinPos + lt_symbol.Offset ) )
 {
 //wire is vertical
 if( wire.End.x == ( pinPos + lt_symbol.Offset ).x )
 {
 if( wire.End.y <= topLeftY )
 wire.Start = VECTOR2I( wire.Start.x, topLeftY + 3 );
 else if( wire.End.y >= botRightY )
 wire.Start = VECTOR2I( wire.Start.x, botRightY );
 else if( wire.End.y < botRightY && wire.End.y > topLeftY )
 wire.Start = VECTOR2I( topLeftX, wire.Start.y );
 }
 //wire is horizontal
 else if( wire.End.y == ( pinPos + lt_symbol.Offset ).y )
 {
 if( wire.End.x <= topLeftX )
 wire.Start = VECTOR2I( topLeftX, wire.Start.y );
 else if( wire.End.x >= botRightX )
 wire.Start = VECTOR2I( botRightX, wire.Start.y );
 else if( wire.End.x < botRightX && wire.End.x > topLeftX )
 wire.Start = VECTOR2I( botRightX, wire.Start.y );
 }
 }
 else if( wire.End == ( pinPos + lt_symbol.Offset ) )
 {
 //wire is Vertical
 if( wire.Start.x == ( pinPos + lt_symbol.Offset ).x )
 {
 if( wire.Start.y <= topLeftY )
 wire.End = VECTOR2I( wire.End.x, topLeftY );
 else if( wire.Start.y > botRightY )
 wire.End = VECTOR2I( wire.End.x, botRightY );
 else if( wire.Start.y < botRightY && wire.End.y > topLeftY )
 wire.End = VECTOR2I( wire.End.x, botRightY );
 }
 //wire is Horizontal
 else if( wire.Start.y == ( pinPos + lt_symbol.Offset ).y )
 {
 if( wire.Start.x <= topLeftX )
 wire.End = VECTOR2I( topLeftX, wire.End.y );
 else if( wire.Start.x >= botRightX )
 wire.End = VECTOR2I( botRightX, wire.End.y );
 else if( wire.Start.x < botRightX && wire.Start.x > topLeftX )
 wire.End = VECTOR2I( botRightX, wire.End.y );
 }
 }
 }
 }
 }
 }
 }
}
 
 
void SCH_IO_LTSPICE_PARSER::CreateSymbol( LTSPICE_SCHEMATIC::LT_SYMBOL& aLtSymbol,
 LIB_SYMBOL* aLibSymbol )
{
 for( int j = 0; j < (int) aLtSymbol.Lines.size(); j++ )
 {
 SCH_SHAPE* line = new SCH_SHAPE( SHAPE_T::POLY, LAYER_DEVICE );
 
 CreateLines( aLibSymbol, aLtSymbol, j, line );
 aLibSymbol->AddDrawItem( line );
 }
 
 for( int j = 0; j < (int) aLtSymbol.Circles.size(); j++ )
 {
 SCH_SHAPE* circle = new SCH_SHAPE( SHAPE_T::CIRCLE, LAYER_DEVICE );
 
 CreateCircle( aLtSymbol, j, circle );
 aLibSymbol->AddDrawItem( circle );
 }
 
 for( int j = 0; j < (int) aLtSymbol.Arcs.size(); j++ )
 {
 SCH_SHAPE* arc = new SCH_SHAPE( SHAPE_T::ARC, LAYER_DEVICE );
 
 CreateArc( aLtSymbol, j, arc );
 aLibSymbol->AddDrawItem( arc );
 }
 
 for( int j = 0; j < (int) aLtSymbol.Rectangles.size(); j++ )
 {
 SCH_SHAPE* rectangle = new SCH_SHAPE( SHAPE_T::RECTANGLE, LAYER_DEVICE );
 
 CreateRect( aLtSymbol, j, rectangle );
 aLibSymbol->AddDrawItem( rectangle );
 }
 
 for( int j = 0; j < (int) aLtSymbol.Pins.size(); j++ )
 {
 SCH_PIN* pin = new SCH_PIN( aLibSymbol );
 
 CreatePin( aLtSymbol, j, pin );
 aLibSymbol->AddDrawItem( pin );
 }
 
 aLibSymbol->SetShowPinNumbers( false );
}
 
 
int SCH_IO_LTSPICE_PARSER::ToKicadCoords( int aCoordinate )
{
 return schIUScale.MilsToIU( rescale( 50, aCoordinate, 16 ) );
}
 
 
VECTOR2I SCH_IO_LTSPICE_PARSER::ToKicadCoords( const VECTOR2I& aPos )
{
 return VECTOR2I( ToKicadCoords( aPos.x ), ToKicadCoords( aPos.y ) );
}
 
 
VECTOR2I SCH_IO_LTSPICE_PARSER::ToInvertedKicadCoords( const VECTOR2I& aPos )
{
 return VECTOR2I( ToKicadCoords( aPos.x ), -ToKicadCoords( aPos.y ) );
}
 
 
VECTOR2I SCH_IO_LTSPICE_PARSER::ToKicadFontSize( int aLTFontSize )
{
 auto MILS_SIZE =
 []( int mils )
 {
 return VECTOR2I( schIUScale.MilsToIU( mils ), schIUScale.MilsToIU( mils ) );
 };
 
 if( aLTFontSize == 1 ) return MILS_SIZE( 36 );
 else if( aLTFontSize == 2 ) return MILS_SIZE( 42 );
 else if( aLTFontSize == 3 ) return MILS_SIZE( 50 );
 else if( aLTFontSize == 4 ) return MILS_SIZE( 60 );
 else if( aLTFontSize == 5 ) return MILS_SIZE( 72 );
 else if( aLTFontSize == 6 ) return MILS_SIZE( 88 );
 else if( aLTFontSize == 7 ) return MILS_SIZE( 108 );
 else return ToKicadFontSize( 2 );
}
 
 
int SCH_IO_LTSPICE_PARSER::ToLtSpiceCoords( int aCoordinate )
{
 return schIUScale.IUToMils( rescale( 16, aCoordinate, 50 ) );
}
 
 
void SCH_IO_LTSPICE_PARSER::RotateMirrorShape( LTSPICE_SCHEMATIC::LT_SYMBOL& aLTSymbol,
 SCH_SHAPE* aShape )
{
 if( aLTSymbol.SymbolOrientation == LTSPICE_SCHEMATIC::ORIENTATION::R90 )
 {
 aShape->Rotate( VECTOR2I(), true );
 }
 else if( aLTSymbol.SymbolOrientation == LTSPICE_SCHEMATIC::ORIENTATION::R180 )
 {
 aShape->Rotate( VECTOR2I(), false );
 aShape->Rotate( VECTOR2I(), false );
 }
 else if( aLTSymbol.SymbolOrientation == LTSPICE_SCHEMATIC::ORIENTATION::R270 )
 {
 aShape->Rotate( VECTOR2I(), false );
 }
 else if( aLTSymbol.SymbolOrientation == LTSPICE_SCHEMATIC::ORIENTATION::M0 )
 {
 aShape->MirrorVertically( 0 );
 }
 else if( aLTSymbol.SymbolOrientation == LTSPICE_SCHEMATIC::ORIENTATION::M90 )
 {
 aShape->MirrorVertically( 0 );
 aShape->Rotate( VECTOR2I(), false );
 }
 else if( aLTSymbol.SymbolOrientation == LTSPICE_SCHEMATIC::ORIENTATION::M180 )
 {
 aShape->MirrorHorizontally( 0 );
 }
 else if( aLTSymbol.SymbolOrientation == LTSPICE_SCHEMATIC::ORIENTATION::M270 )
 {
 aShape->MirrorVertically( 0 );
 aShape->Rotate( VECTOR2I(), true );
 }
}
 
 
void SCH_IO_LTSPICE_PARSER::RotateMirror( LTSPICE_SCHEMATIC::LT_SYMBOL& aLTSymbol,
 SCH_SYMBOL* aSchSymbol )
{
 if( aLTSymbol.SymbolOrientation == LTSPICE_SCHEMATIC::ORIENTATION::R0 )
 {
 aSchSymbol->SetOrientation( SYM_ORIENT_0 );
 }
 else if( aLTSymbol.SymbolOrientation == LTSPICE_SCHEMATIC::ORIENTATION::R90 )
 {
 aSchSymbol->SetOrientation( SYM_ORIENT_180 );
 aSchSymbol->SetOrientation( SYM_ROTATE_COUNTERCLOCKWISE );
 }
 else if( aLTSymbol.SymbolOrientation == LTSPICE_SCHEMATIC::ORIENTATION::R180 )
 {
 aSchSymbol->SetOrientation( SYM_ORIENT_180 );
 }
 else if( aLTSymbol.SymbolOrientation == LTSPICE_SCHEMATIC::ORIENTATION::R270 )
 {
 aSchSymbol->SetOrientation( SYM_ROTATE_COUNTERCLOCKWISE );
 }
 else if( aLTSymbol.SymbolOrientation == LTSPICE_SCHEMATIC::ORIENTATION::M0 )
 {
 aSchSymbol->SetOrientation( SYM_MIRROR_Y );
 }
 else if( aLTSymbol.SymbolOrientation == LTSPICE_SCHEMATIC::ORIENTATION::M90 )
 {
 aSchSymbol->SetOrientation( SYM_MIRROR_Y );
 aSchSymbol->SetOrientation( SYM_ROTATE_COUNTERCLOCKWISE );
 }
 else if( aLTSymbol.SymbolOrientation == LTSPICE_SCHEMATIC::ORIENTATION::M180 )
 {
 aSchSymbol->SetOrientation( SYM_MIRROR_X );
 }
 else if( aLTSymbol.SymbolOrientation == LTSPICE_SCHEMATIC::ORIENTATION::M270 )
 {
 aSchSymbol->SetOrientation( SYM_MIRROR_Y );
 aSchSymbol->SetOrientation( SYM_ROTATE_CLOCKWISE );
 }
}
 
 
void SCH_IO_LTSPICE_PARSER::CreateWires( LTSPICE_SCHEMATIC::LT_SYMBOL& aLTSymbol, int aIndex,
 SCH_SHEET_PATH* aSheet )
{
 SCH_LINE* segment = new SCH_LINE();
 
 segment->SetLineWidth( getLineWidth( LTSPICE_SCHEMATIC::LINEWIDTH::Normal ) );
 segment->SetLineStyle( LINE_STYLE::SOLID );
 
 segment->SetStartPoint( aLTSymbol.Wires[aIndex].Start );
 segment->SetEndPoint( aLTSymbol.Wires[aIndex].End );
 
 aSheet->LastScreen()->Append( segment );
}
 
 
void SCH_IO_LTSPICE_PARSER::CreateKicadSCH_ITEMs( SCH_SHEET_PATH* aSheet,
 std::vector<LTSPICE_SCHEMATIC::LT_ASC>& outLT_ASCs )
{
 SCH_SCREEN* screen = aSheet->LastScreen();
 
 for( LTSPICE_SCHEMATIC::LT_ASC& lt_asc : outLT_ASCs )
 {
 for( int j = 0; j < (int) lt_asc.Lines.size(); j++ )
 CreateLine( lt_asc, j, aSheet );
 
 for( int j = 0; j < (int) lt_asc.Circles.size(); j++ )
 CreateCircle( lt_asc, j, aSheet );
 
 for( int j = 0; j < (int) lt_asc.Arcs.size(); j++ )
 CreateArc( lt_asc, j, aSheet );
 
 for( int j = 0; j < (int) lt_asc.Rectangles.size(); j++ )
 CreateRect( lt_asc, j, aSheet );
 
 for( int j = 0; j < (int) lt_asc.Bustap.size(); j++ )
 CreateBusEntry( lt_asc, j, aSheet );
 
 for( int j = 0; j < (int) lt_asc.Wires.size(); j++ )
 CreateWire( lt_asc, j, aSheet, SCH_LAYER_ID::LAYER_WIRE );
 
 for( int j = 0; j < (int) lt_asc.Iopins.size(); j++ )
 CreatePin( lt_asc, j, aSheet );
 
 for( const LTSPICE_SCHEMATIC::FLAG& lt_flag : lt_asc.Flags )
 {
 if( lt_flag.Value == wxS( "0" ) )
 {
 screen->Append( CreatePowerSymbol( lt_flag.Offset, lt_flag.Value, lt_flag.FontSize,
 aSheet, lt_asc.Wires ) );
 }
 else
 {
 screen->Append( CreateSCH_LABEL( SCH_GLOBAL_LABEL_T, lt_flag.Offset, lt_flag.Value,
 lt_flag.FontSize ) );
 }
 }
 
 for( const LTSPICE_SCHEMATIC::TEXT& lt_text : lt_asc.Texts )
 {
 wxString textVal = lt_text.Value;
 
 // Includes are already handled through Sim.Library, comment them out
 if( textVal.StartsWith( ".include " ) || textVal.StartsWith( ".inc " )
 || textVal.StartsWith( ".lib " ) )
 {
 textVal = wxS( "* " ) + textVal;
 }
 
 screen->Append( CreateSCH_TEXT( lt_text.Offset, textVal, lt_text.FontSize,
 lt_text.Justification ) );
 }
 
 for( const LTSPICE_SCHEMATIC::DATAFLAG& lt_flag : lt_asc.DataFlags )
 {
 screen->Append( CreateSCH_LABEL( SCH_DIRECTIVE_LABEL_T, lt_flag.Offset,
 lt_flag.Expression, lt_flag.FontSize ) );
 }
 }
}
 
 
void SCH_IO_LTSPICE_PARSER::CreateBusEntry( LTSPICE_SCHEMATIC::LT_ASC& aAscfile, int aIndex,
 SCH_SHEET_PATH* aSheet )
{
 LTSPICE_SCHEMATIC::BUSTAP& bustap = aAscfile.Bustap[aIndex];
 
 for( int k = 0; k < (int) aAscfile.Wires.size(); k++ )
 {
 if( ( aAscfile.Wires[k].Start == bustap.Start )
 || ( aAscfile.Wires[k].End == bustap.Start ) )
 {
 CreateWire( aAscfile, k, aSheet, SCH_LAYER_ID::LAYER_BUS );
 aAscfile.Wires.erase( aAscfile.Wires.begin() + k );
 }
 }
 
 SCH_BUS_WIRE_ENTRY* busEntry = new SCH_BUS_WIRE_ENTRY( ToKicadCoords( { bustap.Start.x,
 bustap.Start.y - 16 } ) );
 
 busEntry->SetSize( { ToKicadCoords( 16 ), ToKicadCoords( 16 ) } );
 
 aSheet->LastScreen()->Append( busEntry );
}
 
 
LABEL_FLAG_SHAPE getLabelShape( LTSPICE_SCHEMATIC::POLARITY aPolarity )
{
 if( aPolarity == LTSPICE_SCHEMATIC::POLARITY::INPUT )
 return LABEL_FLAG_SHAPE::L_INPUT;
 else if( aPolarity == LTSPICE_SCHEMATIC::POLARITY::OUTPUT )
 return LABEL_FLAG_SHAPE::L_OUTPUT;
 else
 return LABEL_FLAG_SHAPE::L_BIDI;
}
 
 
void SCH_IO_LTSPICE_PARSER::CreatePin( LTSPICE_SCHEMATIC::LT_ASC& aAscfile, int aIndex,
 SCH_SHEET_PATH* aSheet )
{
 LTSPICE_SCHEMATIC::IOPIN& iopin = aAscfile.Iopins[aIndex];
 wxString ioPinName;
 
 for( unsigned int k = 0; k < aAscfile.Flags.size(); k++ )
 {
 if( ( aAscfile.Flags[k].Offset.x == iopin.Location.x )
 && ( aAscfile.Flags[k].Offset.y == iopin.Location.y ) )
 {
 ioPinName = aAscfile.Flags[k].Value;
 aAscfile.Flags.erase( aAscfile.Flags.begin() + k );
 }
 }
 
 SCH_HIERLABEL* sheetPin =
 new SCH_HIERLABEL( ToKicadCoords( iopin.Location ), ioPinName, SCH_HIER_LABEL_T );
 
 sheetPin->Move( m_originOffset );
 
 sheetPin->SetShape( getLabelShape( iopin.Polarity ) );
 aSheet->LastScreen()->Append( sheetPin );
}
 
 
void SCH_IO_LTSPICE_PARSER::CreateLine( LTSPICE_SCHEMATIC::LT_ASC& aAscfile, int aIndex,
 SCH_SHEET_PATH* aSheet )
{
 LTSPICE_SCHEMATIC::LINE& lt_line = aAscfile.Lines[aIndex];
 SCH_LINE* line = new SCH_LINE( ToKicadCoords( lt_line.Start ), SCH_LAYER_ID::LAYER_NOTES );
 
 line->SetEndPoint( ToKicadCoords( lt_line.End ) );
 line->SetStroke( getStroke( lt_line.LineWidth, lt_line.LineStyle ) );
 line->Move( m_originOffset );
 
 aSheet->LastScreen()->Append( line );
}
 
 
void SCH_IO_LTSPICE_PARSER::CreateCircle( LTSPICE_SCHEMATIC::LT_ASC& aAscfile, int aIndex,
 SCH_SHEET_PATH* aSheet )
{
 LTSPICE_SCHEMATIC::CIRCLE& lt_circle = aAscfile.Circles[aIndex];
 SCH_SHAPE* circle = new SCH_SHAPE( SHAPE_T::CIRCLE );
 
 VECTOR2I c = ( lt_circle.TopLeft + lt_circle.BotRight ) / 2;
 int r = ( lt_circle.TopLeft.x - lt_circle.BotRight.x ) / 2;
 
 circle->SetPosition( ToKicadCoords( c ) );
 circle->SetEnd( ToKicadCoords( c ) + VECTOR2I( abs( ToKicadCoords( r ) ), 0 ) );
 circle->SetStroke( getStroke( lt_circle.LineWidth, lt_circle.LineStyle ) );
 circle->Move( m_originOffset );
 
 aSheet->LastScreen()->Append( circle );
}
 
 
void SCH_IO_LTSPICE_PARSER::CreateArc( LTSPICE_SCHEMATIC::LT_ASC& aAscfile, int aIndex,
 SCH_SHEET_PATH* aSheet )
{
 LTSPICE_SCHEMATIC::ARC& lt_arc = aAscfile.Arcs[aIndex];
 SCH_SHAPE* arc = new SCH_SHAPE( SHAPE_T::ARC );
 
 arc->SetCenter( ToKicadCoords( ( lt_arc.TopLeft + lt_arc.BotRight ) / 2 ) );
 arc->SetEnd( ToKicadCoords( lt_arc.ArcEnd ) );
 arc->SetStart( ToKicadCoords( lt_arc.ArcStart ) );
 arc->SetStroke( getStroke( lt_arc.LineWidth, lt_arc.LineStyle ) );
 arc->Move( m_originOffset );
 
 aSheet->LastScreen()->Append( arc );
}
 
 
void SCH_IO_LTSPICE_PARSER::CreateRect( LTSPICE_SCHEMATIC::LT_ASC& aAscfile, int aIndex,
 SCH_SHEET_PATH* aSheet )
{
 LTSPICE_SCHEMATIC::RECTANGLE& lt_rect = aAscfile.Rectangles[aIndex];
 SCH_SHAPE* rectangle = new SCH_SHAPE( SHAPE_T::RECTANGLE );
 
 rectangle->SetPosition( ToKicadCoords( lt_rect.TopLeft ) );
 rectangle->SetEnd( ToKicadCoords( lt_rect.BotRight ) );
 rectangle->SetStroke( getStroke( lt_rect.LineWidth, lt_rect.LineStyle ) );
 rectangle->Move( m_originOffset );
 
 aSheet->LastScreen()->Append( rectangle );
}
 
 
int SCH_IO_LTSPICE_PARSER::getLineWidth( const LTSPICE_SCHEMATIC::LINEWIDTH& aLineWidth )
{
 if( aLineWidth == LTSPICE_SCHEMATIC::LINEWIDTH::Normal )
 return schIUScale.MilsToIU( 6 );
 else if( aLineWidth == LTSPICE_SCHEMATIC::LINEWIDTH::Wide )
 return schIUScale.MilsToIU( 12 );
 else
 return schIUScale.MilsToIU( 6 );
}
 
 
LINE_STYLE SCH_IO_LTSPICE_PARSER::getLineStyle( const LTSPICE_SCHEMATIC::LINESTYLE& aLineStyle )
{
 switch( aLineStyle )
 {
 case LTSPICE_SCHEMATIC::LINESTYLE::SOLID: return LINE_STYLE::SOLID;
 case LTSPICE_SCHEMATIC::LINESTYLE::DOT: return LINE_STYLE::DOT;
 case LTSPICE_SCHEMATIC::LINESTYLE::DASHDOTDOT: return LINE_STYLE::DASHDOTDOT;
 case LTSPICE_SCHEMATIC::LINESTYLE::DASHDOT: return LINE_STYLE::DASHDOT;
 case LTSPICE_SCHEMATIC::LINESTYLE::DASH: return LINE_STYLE::DASH;
 default: return LINE_STYLE::SOLID;
 }
}
 
 
STROKE_PARAMS SCH_IO_LTSPICE_PARSER::getStroke( const LTSPICE_SCHEMATIC::LINEWIDTH& aLineWidth,
 const LTSPICE_SCHEMATIC::LINESTYLE& aLineStyle )
{
 return STROKE_PARAMS( getLineWidth( aLineWidth ), getLineStyle( aLineStyle ) );
}
 
 
void SCH_IO_LTSPICE_PARSER::setTextJustification( EDA_TEXT* aText,
 LTSPICE_SCHEMATIC::JUSTIFICATION aJustification )
{
 switch( aJustification )
 {
 case LTSPICE_SCHEMATIC::JUSTIFICATION::LEFT:
 case LTSPICE_SCHEMATIC::JUSTIFICATION::VLEFT:
 aText->SetHorizJustify( GR_TEXT_H_ALIGN_LEFT );
 aText->SetVertJustify( GR_TEXT_V_ALIGN_CENTER );
 break;
 
 case LTSPICE_SCHEMATIC::JUSTIFICATION::CENTER:
 case LTSPICE_SCHEMATIC::JUSTIFICATION::VCENTER:
 aText->SetHorizJustify( GR_TEXT_H_ALIGN_CENTER );
 aText->SetVertJustify( GR_TEXT_V_ALIGN_CENTER );
 break;
 
 case LTSPICE_SCHEMATIC::JUSTIFICATION::RIGHT:
 case LTSPICE_SCHEMATIC::JUSTIFICATION::VRIGHT:
 aText->SetHorizJustify( GR_TEXT_H_ALIGN_RIGHT );
 aText->SetVertJustify( GR_TEXT_V_ALIGN_CENTER );
 break;
 
 case LTSPICE_SCHEMATIC::JUSTIFICATION::BOTTOM:
 case LTSPICE_SCHEMATIC::JUSTIFICATION::VBOTTOM:
 aText->SetHorizJustify( GR_TEXT_H_ALIGN_CENTER );
 aText->SetVertJustify( GR_TEXT_V_ALIGN_BOTTOM );
 break;
 
 case LTSPICE_SCHEMATIC::JUSTIFICATION::TOP:
 case LTSPICE_SCHEMATIC::JUSTIFICATION::VTOP:
 aText->SetHorizJustify( GR_TEXT_H_ALIGN_CENTER );
 aText->SetVertJustify( GR_TEXT_V_ALIGN_TOP );
 break;
 
 default: break;
 }
 
 switch( aJustification )
 {
 case LTSPICE_SCHEMATIC::JUSTIFICATION::LEFT:
 case LTSPICE_SCHEMATIC::JUSTIFICATION::CENTER:
 case LTSPICE_SCHEMATIC::JUSTIFICATION::RIGHT:
 case LTSPICE_SCHEMATIC::JUSTIFICATION::BOTTOM:
 case LTSPICE_SCHEMATIC::JUSTIFICATION::TOP:
 aText->SetTextAngle( ANGLE_HORIZONTAL );
 break;
 
 case LTSPICE_SCHEMATIC::JUSTIFICATION::VLEFT:
 case LTSPICE_SCHEMATIC::JUSTIFICATION::VCENTER:
 case LTSPICE_SCHEMATIC::JUSTIFICATION::VRIGHT:
 case LTSPICE_SCHEMATIC::JUSTIFICATION::VBOTTOM:
 case LTSPICE_SCHEMATIC::JUSTIFICATION::VTOP:
 aText->SetTextAngle( ANGLE_VERTICAL );
 break;
 
 default: break;
 }
 
 // Center, Left, Right aligns by first line in multiline text
 if( wxSplit( aText->GetText(), '\n', '\0' ).size() > 1 )
 {
 switch( aJustification )
 {
 case LTSPICE_SCHEMATIC::JUSTIFICATION::LEFT:
 case LTSPICE_SCHEMATIC::JUSTIFICATION::CENTER:
 case LTSPICE_SCHEMATIC::JUSTIFICATION::RIGHT:
 aText->SetVertJustify( GR_TEXT_V_ALIGN_TOP );
 aText->Offset( VECTOR2I( 0, -aText->GetTextHeight() / 2 ) );
 break;
 
 case LTSPICE_SCHEMATIC::JUSTIFICATION::VLEFT:
 case LTSPICE_SCHEMATIC::JUSTIFICATION::VCENTER:
 case LTSPICE_SCHEMATIC::JUSTIFICATION::VRIGHT:
 aText->SetVertJustify( GR_TEXT_V_ALIGN_TOP );
 aText->Offset( VECTOR2I( -aText->GetTextHeight() / 2, 0 ) );
 break;
 
 default: break;
 }
 }
}
 
 
SCH_TEXT* SCH_IO_LTSPICE_PARSER::CreateSCH_TEXT( VECTOR2I aOffset, const wxString& aText,
 int aFontSize,
 LTSPICE_SCHEMATIC::JUSTIFICATION aJustification )
{
 VECTOR2I pos = ToKicadCoords( aOffset ) + m_originOffset;
 SCH_TEXT* textItem = new SCH_TEXT( pos, aText );
 
 textItem->SetTextSize( ToKicadFontSize( aFontSize ) );
 textItem->SetVisible( true );
 textItem->SetMultilineAllowed( true );
 
 setTextJustification( textItem, aJustification );
 
 return textItem;
}
 
 
void SCH_IO_LTSPICE_PARSER::CreateWire( LTSPICE_SCHEMATIC::LT_ASC& aAscfile, int aIndex,
 SCH_SHEET_PATH* aSheet, SCH_LAYER_ID aLayer )
{
 SCH_LINE* segment = new SCH_LINE();
 
 segment->SetLineWidth( getLineWidth( LTSPICE_SCHEMATIC::LINEWIDTH::Normal ) );
 segment->SetLineStyle( LINE_STYLE::SOLID );
 segment->SetLayer( aLayer );
 
 segment->SetStartPoint( ToKicadCoords( aAscfile.Wires[aIndex].Start ) + m_originOffset );
 segment->SetEndPoint( ToKicadCoords( aAscfile.Wires[aIndex].End ) + m_originOffset );
 
 aSheet->LastScreen()->Append( segment );
}
 
 
SCH_SYMBOL* SCH_IO_LTSPICE_PARSER::CreatePowerSymbol( const VECTOR2I& aOffset,
 const wxString& aValue,
 int aFontSize, SCH_SHEET_PATH* aSheet,
 std::vector<LTSPICE_SCHEMATIC::WIRE>& aWires )
{
 LIB_SYMBOL* lib_symbol = new LIB_SYMBOL( wxS( "GND" ) );
 SCH_SHAPE* shape = new SCH_SHAPE( SHAPE_T::POLY,LAYER_DEVICE );
 
 shape->AddPoint( ToInvertedKicadCoords( { 16, 0 } ) );
 shape->AddPoint( ToInvertedKicadCoords( { -16, 0 } ) );
 shape->AddPoint( ToInvertedKicadCoords( { 0, 15 } ) );
 shape->AddPoint( ToInvertedKicadCoords( { 16, 0 } ) );
 shape->AddPoint( ToInvertedKicadCoords( { -16, 0 } ) );
 shape->AddPoint( ToInvertedKicadCoords( { 0, 15 } ) );
 
 shape->SetStroke( STROKE_PARAMS( getLineWidth( LTSPICE_SCHEMATIC::LINEWIDTH::Normal ),
 LINE_STYLE::SOLID ) );
 
 lib_symbol->AddDrawItem( shape );
 lib_symbol->SetPower();
 
 SCH_PIN* pin = new SCH_PIN( lib_symbol );
 
 pin->SetType( ELECTRICAL_PINTYPE::PT_POWER_IN );
 pin->SetPosition( ToInvertedKicadCoords( { 0, 0 } ) );
 pin->SetLength( 5 );
 pin->SetShape( GRAPHIC_PINSHAPE::LINE );
 lib_symbol->AddDrawItem( pin );
 
 LIB_ID libId( wxS( "ltspice" ), wxS( "GND" ) );
 SCH_SYMBOL* sch_symbol = new SCH_SYMBOL( *lib_symbol, libId, aSheet, 1 );
 
 sch_symbol->SetRef( aSheet, wxString::Format( wxS( "#GND%03d" ), m_powerSymbolIndex++ ) );
 sch_symbol->GetField( REFERENCE_FIELD )->SetVisible( false );
 sch_symbol->SetValueFieldText( wxS( "0" ) );
 sch_symbol->GetField( VALUE_FIELD )->SetTextSize( ToKicadFontSize( aFontSize ) );
 sch_symbol->GetField( VALUE_FIELD )->SetVisible( false );
 
 sch_symbol->Move( ToKicadCoords( aOffset ) + m_originOffset );
 
 for( LTSPICE_SCHEMATIC::WIRE& wire : aWires )
 {
 if( aOffset == wire.Start )
 {
 if( wire.Start.x == wire.End.x )
 {
 if( wire.Start.y < wire.End.y )
 {
 sch_symbol->SetOrientation( SYM_ROTATE_COUNTERCLOCKWISE );
 sch_symbol->SetOrientation( SYM_ROTATE_COUNTERCLOCKWISE );
 }
 }
 else
 {
 if( wire.Start.x < wire.End.x )
 sch_symbol->SetOrientation( SYM_ROTATE_CLOCKWISE );
 else if( wire.Start.x > wire.End.x )
 sch_symbol->SetOrientation( SYM_ROTATE_COUNTERCLOCKWISE );
 }
 }
 else if( aOffset == wire.End )
 {
 if( wire.Start.x == wire.End.x )
 {
 if( wire.Start.y > wire.End.y )
 {
 sch_symbol->SetOrientation( SYM_ROTATE_COUNTERCLOCKWISE );
 sch_symbol->SetOrientation( SYM_ROTATE_COUNTERCLOCKWISE );
 }
 }
 else
 {
 if( wire.Start.x < wire.End.x )
 sch_symbol->SetOrientation( SYM_ROTATE_COUNTERCLOCKWISE );
 else if( wire.Start.x > wire.End.x )
 sch_symbol->SetOrientation( SYM_ROTATE_CLOCKWISE );
 }
 }
 }
 
 return sch_symbol;
}
 
 
SCH_LABEL_BASE* SCH_IO_LTSPICE_PARSER::CreateSCH_LABEL( KICAD_T aType, const VECTOR2I& aOffset,
 const wxString& aValue, int aFontSize )
{
 SCH_LABEL_BASE* label = nullptr;
 
 if( aType == SCH_GLOBAL_LABEL_T )
 {
 label = new SCH_GLOBALLABEL();
 
 label->SetText( aValue );
 label->SetTextSize( ToKicadFontSize( aFontSize ) );
 label->SetSpinStyle( SPIN_STYLE::UP );
 }
 else if( aType == SCH_DIRECTIVE_LABEL_T )
 {
 label = new SCH_DIRECTIVE_LABEL();
 
 label->SetSpinStyle( SPIN_STYLE::RIGHT );
 
 SCH_FIELD field( { 0, 0 }, -1, label, wxS( "DATAFLAG" ) );
 field.SetText( aValue );
 field.SetTextSize( ToKicadFontSize( aFontSize ) );
 field.SetVisible( true );
 
 label->AddField( field );
 label->AutoplaceFields( nullptr, false );
 }
 else
 {
 UNIMPLEMENTED_FOR( aType );
 }
 
 if( label )
 {
 label->SetPosition( ToKicadCoords( aOffset ) + m_originOffset );
 label->SetVisible( true );
 }
 
 return label;
}
 
 
void SCH_IO_LTSPICE_PARSER::CreateFields( LTSPICE_SCHEMATIC::LT_SYMBOL& aLTSymbol,
 SCH_SYMBOL* aSymbol, SCH_SHEET_PATH* aSheet )
{
 wxString libPath = m_lt_schematic->GetLTspiceDataDir().GetFullPath();
 wxString symbolName = aLTSymbol.Name.Upper();
 wxString type = aLTSymbol.SymAttributes[wxS( "TYPE" )].Upper();
 wxString prefix = aLTSymbol.SymAttributes[wxS( "PREFIX" )].Upper();
 wxString instName = aLTSymbol.SymAttributes[wxS( "INSTNAME" )].Upper();
 wxString value = aLTSymbol.SymAttributes[wxS( "VALUE" )];
 wxString value2 = aLTSymbol.SymAttributes[wxS( "VALUE2" )];
 
 if( value.IsEmpty() )
 {
 value = value2;
 value2 = wxEmptyString;
 }
 
 aSymbol->SetRef( aSheet, instName );
 aSymbol->SetValueFieldText( value );
 
 if( !value2.IsEmpty() )
 {
 SCH_FIELD paramsField( { 0, 0 }, -1, aSymbol, wxS( "Value2" ) );
 paramsField.SetText( value2 );
 aSymbol->AddField( paramsField );
 }
 
 auto setupNonInferredPassive = [&]( const wxString& aDevice, const wxString& aValueKey )
 {
 SCH_FIELD deviceField( { 0, 0 }, -1, aSymbol, wxS( "Sim.Device" ) );
 deviceField.SetText( aDevice );
 aSymbol->AddField( deviceField );
 
 SCH_FIELD paramsField( { 0, 0 }, -1, aSymbol, wxS( "Sim.Params" ) );
 paramsField.SetText( aValueKey + wxS( "=${VALUE}" ) );
 aSymbol->AddField( paramsField );
 };
 
 auto setupBehavioral = [&]( const wxString& aDevice, const wxString& aType )
 {
 aSymbol->SetValueFieldText( wxS( "${Sim.Params}" ) );
 
 SCH_FIELD deviceField( { 0, 0 }, -1, aSymbol, wxS( "Sim.Device" ) );
 deviceField.SetText( aDevice );
 aSymbol->AddField( deviceField );
 
 SCH_FIELD typeField( { 0, 0 }, -1, aSymbol, wxS( "Sim.Type" ) );
 typeField.SetText( aType );
 aSymbol->AddField( typeField );
 
 SCH_FIELD paramsField( { 0, 0 }, -1, aSymbol, wxS( "Sim.Params" ) );
 paramsField.SetText( value );
 aSymbol->AddField( paramsField );
 };
 
 static const std::set<wxString> prefixWithGain = { wxS( "E" ), wxS( "F" ), wxS( "G" ),
 wxS( "H" ) };
 
 if( prefix == wxS( "R" ) )
 {
 setupNonInferredPassive( prefix, wxS( "R" ) );
 }
 else if( prefix == wxS( "C" ) )
 {
 setupNonInferredPassive( prefix, wxS( "C" ) );
 }
 else if( prefix == wxS( "L" ) )
 {
 setupNonInferredPassive( prefix, wxS( "L" ) );
 }
 else if( prefixWithGain.count( prefix ) > 0 )
 {
 setupNonInferredPassive( prefix, wxS( "gain" ) );
 }
 else if( prefix == wxS( "B" ) )
 {
 if( symbolName.StartsWith( wxS( "BV" ) ) )
 {
 setupBehavioral( wxS( "V" ), wxS( "=" ) );
 }
 else if( symbolName.StartsWith( wxS( "BI" ) ) )
 {
 setupBehavioral( wxS( "I" ), wxS( "=" ) );
 }
 }
 else if( prefix == wxS( "V" ) || symbolName == wxS( "I" ) )
 {
 SCH_FIELD deviceField( { 0, 0 }, -1, aSymbol, wxS( "Sim.Device" ) );
 deviceField.SetText( wxS( "SPICE" ) );
 aSymbol->AddField( deviceField );
 
 wxString simParams;
 simParams << "type=" << '"' << prefix << '"' << ' ';
 
 if( value2.IsEmpty() )
 simParams << "model=" << '"' << "${VALUE}" << '"' << ' ';
 else
 simParams << "model=" << '"' << "${VALUE} ${VALUE2}" << '"' << ' ';
 
 SCH_FIELD paramsField( { 0, 0 }, -1, aSymbol, wxS( "Sim.Params" ) );
 paramsField.SetText( simParams );
 aSymbol->AddField( paramsField );
 }
 else
 {
 wxString libFile = aLTSymbol.SymAttributes[wxS( "MODELFILE" )];
 
 if( prefix == wxS( "X" ) )
 {
 // A prefix of X overrides the simulation model for other symbols (npn, etc.)
 type = wxS( "X" );
 }
 else if( libFile.IsEmpty() )
 {
 if( type.IsEmpty() )
 type = symbolName;
 
 if( value == "DIODE" )
 libFile = libPath + wxS( "cmp/standard.dio" );
 else if( value == "NPN" || value == "PNP" )
 libFile = libPath + wxS( "cmp/standard.bjt" );
 else if( value == "NJF" || value == "PJF" )
 libFile = libPath + wxS( "cmp/standard.jft" );
 else if( value == "NMOS" || value == "PMOS" )
 libFile = libPath + wxS( "cmp/standard.mos" );
 }
 
 if( libFile.IsEmpty() )
 libFile = m_includes[value];
 
 if( !libFile.IsEmpty() )
 {
 SCH_FIELD libField( { 0, 0 }, -1, aSymbol, wxS( "Sim.Library" ) );
 libField.SetText( libFile );
 aSymbol->AddField( libField );
 }
 
 if( type == wxS( "X" ) )
 {
 SCH_FIELD deviceField( { 0, 0 }, -1, aSymbol, wxS( "Sim.Device" ) );
 deviceField.SetText( wxS( "SUBCKT" ) );
 aSymbol->AddField( deviceField );
 }
 else
 {
 SCH_FIELD deviceField( { 0, 0 }, -1, aSymbol, wxS( "Sim.Device" ) );
 deviceField.SetText( wxS( "SPICE" ) );
 aSymbol->AddField( deviceField );
 }
 
 wxString spiceLine = aLTSymbol.SymAttributes[wxS( "SPICELINE" )];
 
 if( !spiceLine.IsEmpty() )
 {
 // TODO: append value
 SCH_FIELD paramsField( { 0, 0 }, -1, aSymbol, wxS( "Sim.Params" ) );
 paramsField.SetText( spiceLine );
 aSymbol->AddField( paramsField );
 }
 else
 {
 SCH_FIELD modelField( { 0, 0 }, -1, aSymbol, wxS( "Sim.Params" ) );
 modelField.SetText( "model=\"" + value + "\"" );
 aSymbol->AddField( modelField );
 }
 }
 
 for( LTSPICE_SCHEMATIC::LT_WINDOW& lt_window : aLTSymbol.Windows )
 {
 SCH_FIELD* field = nullptr;
 
 switch( lt_window.WindowNumber )
 {
 case -1: /* PartNum */ break;
 case 0: /* InstName */ field = aSymbol->GetField( REFERENCE_FIELD ); break;
 case 1: /* Type */ break;
 case 2: /* RefName */ break;
 case 3: /* Value */ field = aSymbol->GetField( VALUE_FIELD ); break;
 
 case 5: /* QArea */ break;
 
 case 8: /* Width */ break;
 case 9: /* Length */ break;
 case 10: /* Multi */ break;
 
 case 16: /* Nec */ break;
 
 case 38: /* SpiceModel */ field = aSymbol->FindField( wxS( "Sim.Name" ) ); break;
 case 39: /* SpiceLine */ field = aSymbol->FindField( wxS( "Sim.Params" ) ); break;
 case 40: /* SpiceLine2 */ break;
 
 /*
 47 Def_Sub
 
 50 Digital_Timing_Model
 51 Digital_Extracts
 52 Digital_IO_Model
 53 Digital_Line
 54 Digital_Primitive
 55 Digital_MNTYMXDLY
 56 Digital_IO_LEVEL
 57 Digital_StdCell
 58 Digital_File
 
 105 Cell
 106 W/L
 107 PSIZE
 108 NSIZE
 109 sheets
 110 sh#
 111 Em_Scale
 112 Epi
 113 Sinker
 114 Multi5
 
 118 AQ
 119 AQSUB
 120 ZSIZE
 121 ESR
 123 Value2
 124 COUPLE
 125 Voltage
 126 Area1
 127 Area2
 128 Area3
 129 Area4
 130 Multi1
 131 Multi2
 132 Multi3
 133 Multi4
 134 DArea
 135 DPerim
 136 CArea
 137 CPerim
 138 Shrink
 139 Gate_Resize
 
 142 BP
 143 BN
 144 Sim_Level
 
 146 G_Voltage
 
 150 SpiceLine3
 
 153 D_VOLTAGES
 
 156 Version
 157 Comment
 158 XDef_Sub
 159 LVS_Area
 
 162 User1
 163 User2
 164 User3
 165 User4
 166 User5
 167 Root
 168 Class
 169 Geometry
 170 WL_Delimiter
 
 175 T1
 176 T2
 
 184 DsgnName
 185 Designer
 
 190 RTN
 191 PWR
 192 BW
 
 201 CAPROWS
 202 CAPCOLS
 203 NF
 204 SLICES
 205 CUR
 206 TEMPRISE
 207 STRIPS
 208 WEM
 209 LEM
 210 BASES
 211 COLS
 212 XDef_Tub
 */
 default: break;
 }
 
 if( field )
 {
 field->SetPosition( ToKicadCoords( lt_window.Position ) );
 field->SetTextSize( ToKicadFontSize( lt_window.FontSize ) );
 
 if( lt_window.FontSize == 0 )
 field->SetVisible( false );
 
 setTextJustification( field, lt_window.Justification );
 }
 }
}
 
 
void SCH_IO_LTSPICE_PARSER::CreateRect( LTSPICE_SCHEMATIC::LT_SYMBOL& aLTSymbol, int aIndex,
 SCH_SHAPE* aRectangle )
{
 LTSPICE_SCHEMATIC::RECTANGLE& lt_rect = aLTSymbol.Rectangles[aIndex];
 
 aRectangle->SetPosition( ToInvertedKicadCoords( lt_rect.BotRight ) );
 aRectangle->SetEnd( ToInvertedKicadCoords( lt_rect.TopLeft ) );
 aRectangle->SetStroke( getStroke( lt_rect.LineWidth, lt_rect.LineStyle ) );
 
 if( aLTSymbol.SymAttributes[wxS( "Prefix" )] == wxS( "X" ) )
 aRectangle->SetFillMode( FILL_T::FILLED_WITH_BG_BODYCOLOR );
}
 
 
void SCH_IO_LTSPICE_PARSER::CreateRect( LTSPICE_SCHEMATIC::LT_SYMBOL& aLTSymbol, int aIndex,
 SCH_SHEET_PATH* aSheet )
{
 LTSPICE_SCHEMATIC::RECTANGLE& lt_rect = aLTSymbol.Rectangles[aIndex];
 SCH_SHAPE* rectangle = new SCH_SHAPE( SHAPE_T::RECTANGLE );
 
 rectangle->SetPosition( ToInvertedKicadCoords( lt_rect.BotRight ) );
 rectangle->SetEnd( ToInvertedKicadCoords( lt_rect.TopLeft ) );
 rectangle->SetStroke( getStroke( lt_rect.LineWidth, lt_rect.LineStyle ) );
 
 rectangle->Move( aLTSymbol.Offset );
 RotateMirrorShape( aLTSymbol, rectangle );
 
 aSheet->LastScreen()->Append( rectangle );
}
 
 
void SCH_IO_LTSPICE_PARSER::CreatePin( LTSPICE_SCHEMATIC::LT_SYMBOL& aLTSymbol, int aIndex,
 SCH_PIN* aPin )
{
 LTSPICE_SCHEMATIC::LT_PIN& lt_pin = aLTSymbol.Pins[aIndex];
 wxString device = aLTSymbol.Name.Lower();
 
 if( aLTSymbol.Pins.size() == 2 && ( device == wxS( "res" )
 || device == wxS( "cap" )
 || device == wxS( "ind" ) ) )
 {
 // drop A/B pin names from simple LRCs as they're not terribly useful (and prevent
 // other pin names on the net from driving the net name).
 }
 else
 {
 aPin->SetName( lt_pin.PinAttribute[ wxS( "PinName" ) ] );
 
 if( lt_pin.PinJustification == LTSPICE_SCHEMATIC::JUSTIFICATION::NONE )
 aPin->SetNameTextSize( 0 );
 }
 
 aPin->SetNumber( wxString::Format( wxS( "%d" ), aIndex + 1 ) );
 aPin->SetType( ELECTRICAL_PINTYPE::PT_PASSIVE );
 aPin->SetPosition( ToInvertedKicadCoords( lt_pin.PinLocation ) );
 aPin->SetLength( 5 );
 aPin->SetShape( GRAPHIC_PINSHAPE::LINE );
 
 switch( lt_pin.PinJustification )
 {
 case LTSPICE_SCHEMATIC::JUSTIFICATION::LEFT:
 case LTSPICE_SCHEMATIC::JUSTIFICATION::VLEFT:
 aPin->SetOrientation( PIN_ORIENTATION::PIN_RIGHT );
 break;
 
 case LTSPICE_SCHEMATIC::JUSTIFICATION::RIGHT:
 case LTSPICE_SCHEMATIC::JUSTIFICATION::VRIGHT:
 aPin->SetOrientation( PIN_ORIENTATION::PIN_LEFT );
 break;
 
 case LTSPICE_SCHEMATIC::JUSTIFICATION::BOTTOM:
 case LTSPICE_SCHEMATIC::JUSTIFICATION::VBOTTOM:
 aPin->SetOrientation( PIN_ORIENTATION::PIN_UP );
 break;
 
 case LTSPICE_SCHEMATIC::JUSTIFICATION::TOP:
 case LTSPICE_SCHEMATIC::JUSTIFICATION::VTOP:
 aPin->SetOrientation( PIN_ORIENTATION::PIN_DOWN );
 break;
 
 default: break;
 }
}
 
 
void SCH_IO_LTSPICE_PARSER::CreateArc( LTSPICE_SCHEMATIC::LT_SYMBOL& aLTSymbol, int aIndex,
 SCH_SHAPE* aArc )
{
 LTSPICE_SCHEMATIC::ARC& lt_arc = aLTSymbol.Arcs[aIndex];
 
 aArc->SetCenter( ToInvertedKicadCoords( ( lt_arc.TopLeft + lt_arc.BotRight ) / 2 ) );
 aArc->SetEnd( ToInvertedKicadCoords( lt_arc.ArcEnd ) );
 aArc->SetStart( ToInvertedKicadCoords( lt_arc.ArcStart ) );
 aArc->SetStroke( getStroke( lt_arc.LineWidth, lt_arc.LineStyle ) );
}
 
 
void SCH_IO_LTSPICE_PARSER::CreateArc( LTSPICE_SCHEMATIC::LT_SYMBOL& aLTSymbol, int aIndex,
 SCH_SHEET_PATH* aSheet )
{
 LTSPICE_SCHEMATIC::ARC& lt_arc = aLTSymbol.Arcs[aIndex];
 SCH_SHAPE* arc = new SCH_SHAPE( SHAPE_T::ARC );
 
 arc->SetCenter( ToInvertedKicadCoords( ( lt_arc.TopLeft + lt_arc.BotRight ) / 2 ) );
 arc->SetEnd( ToInvertedKicadCoords( lt_arc.ArcEnd ) );
 arc->SetStart( ToInvertedKicadCoords( lt_arc.ArcStart ) );
 arc->SetStroke( getStroke( lt_arc.LineWidth, lt_arc.LineStyle ) );
 
 arc->Move( ToKicadCoords( aLTSymbol.Offset ) + m_originOffset );
 RotateMirrorShape( aLTSymbol, arc );
 
 aSheet->LastScreen()->Append( arc );
}
 
 
void SCH_IO_LTSPICE_PARSER::CreateCircle( LTSPICE_SCHEMATIC::LT_SYMBOL& aLTSymbol, int aIndex,
 SCH_SHEET_PATH* aSheet )
{
 LTSPICE_SCHEMATIC::CIRCLE& lt_circle = aLTSymbol.Circles[aIndex];
 SCH_SHAPE* circle = new SCH_SHAPE( SHAPE_T::CIRCLE );
 
 VECTOR2I c = ( lt_circle.TopLeft + lt_circle.BotRight ) / 2;
 int r = ( lt_circle.TopLeft.x - lt_circle.BotRight.x ) / 2;
 
 circle->SetPosition( ToInvertedKicadCoords( c ) );
 circle->SetEnd( ToInvertedKicadCoords( c ) + VECTOR2I( abs( ToKicadCoords( r ) ), 0 ) );
 circle->SetStroke( getStroke( lt_circle.LineWidth, lt_circle.LineStyle ) );
 
 circle->Move( aLTSymbol.Offset );
 RotateMirrorShape( aLTSymbol, circle );
 
 aSheet->LastScreen()->Append( circle );
}
 
 
void SCH_IO_LTSPICE_PARSER::CreateCircle( LTSPICE_SCHEMATIC::LT_SYMBOL& aLTSymbol, int aIndex,
 SCH_SHAPE* aCircle )
{
 LTSPICE_SCHEMATIC::CIRCLE& lt_circle = aLTSymbol.Circles[aIndex];
 
 VECTOR2I c = ( lt_circle.TopLeft + lt_circle.BotRight ) / 2;
 int r = ( lt_circle.TopLeft.x - lt_circle.BotRight.x ) / 2;
 
 aCircle->SetPosition( ToInvertedKicadCoords( c ) );
 aCircle->SetEnd( ToInvertedKicadCoords( c ) + VECTOR2I( abs( ToKicadCoords( r ) ), 0 ) );
 aCircle->SetStroke( getStroke( lt_circle.LineWidth, lt_circle.LineStyle ) );
}