kicad/pcbnew/plugins/fabmaster/import_fabmaster.cpp

/*
 * This program source code file is part of KiCad, a free EDA CAD application.
 *
 * Copyright (C) 2020 BeagleBoard Foundation
 * Copyright (C) 2020-2021 KiCad Developers, see AUTHORS.txt for contributors.
 * Author: Seth Hillbrand <hillbrand@kipro-pcb.com>
 *
 * 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, you may find one here:
 * http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
 * or you may search the http://www.gnu.org website for the version 2 license,
 * or you may write to the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
 */

#include "import_fabmaster.h"

#include <algorithm>
#include <array>
#include <iostream>
#include <fstream>
#include <map>
#include <memory>
#include <string>
#include <sstream>
#include <vector>
#include <utility>

#include <wx/log.h>

#include <board.h>
#include <board_design_settings.h>
#include <board_item.h>
#include <convert_to_biu.h>
#include <footprint.h>
#include <fp_shape.h>
#include <pad.h>
#include <pad_shapes.h>
#include <pcb_shape.h>
#include <pcb_text.h>
#include <pcb_track.h>
#include <zone.h>
#include <common.h>
#include <geometry/shape_arc.h>
#include <string_utils.h>
#include <progress_reporter.h>
#include <math/util.h>
#include <wx/filename.h>


void FABMASTER::checkpoint()
{
    const unsigned PROGRESS_DELTA = 250;

    if( m_progressReporter )
    {
        if( ++m_doneCount > m_lastProgressCount + PROGRESS_DELTA )
        {
            m_progressReporter->SetCurrentProgress( ( (double) m_doneCount )
                                                            / std::max( 1U, m_totalCount ) );

            if( !m_progressReporter->KeepRefreshing() )
                THROW_IO_ERROR( ( "Open cancelled by user." ) );

            m_lastProgressCount = m_doneCount;
        }
    }
}


double FABMASTER::readDouble( const std::string& aStr ) const
{
    std::istringstream istr( aStr );
    istr.imbue( std::locale::classic() );

    double doubleValue;
    istr >> doubleValue;
    return doubleValue;
}


int FABMASTER::readInt( const std::string& aStr ) const
{
    std::istringstream istr( aStr );
    istr.imbue( std::locale::classic() );

    int intValue;
    istr >> intValue;
    return intValue;
}


bool FABMASTER::Read( const std::string& aFile )
{

    std::ifstream ifs( aFile, std::ios::in | std::ios::binary );

    if( !ifs.is_open() )
        return false;

    m_filename = aFile;

    // Read/ignore all bytes in the file to find the size and then go back to the beginning
    ifs.ignore( std::numeric_limits<std::streamsize>::max() );
    std::streamsize length = ifs.gcount();
    ifs.clear();
    ifs.seekg( 0, std::ios_base::beg );

    std::string buffer( std::istreambuf_iterator<char>{ ifs }, {} );

    std::vector < std::string > row;

    // Reserve an estimate of the number of rows to prevent continual re-allocation
    // crashing (Looking at you MSVC)
    row.reserve( length / 100 );
    std::string cell;
    cell.reserve( 100 );

    bool quoted = false;

    for( auto ch : buffer )
    {
        switch( ch )
        {
        case  '"':

            if( cell.empty() || cell[0] == '"' )
                quoted = !quoted;

            cell += ch;
            break;

        case '!':
            if( !quoted )
            {
                row.push_back( cell );
                cell.clear();
            }
            else
                cell += ch;

            break;

        case '\n':

            /// Rows end with "!" and we don't want to keep the empty cell
            if( !cell.empty() )
                row.push_back( cell );

            cell.clear();
            rows.push_back( row );
            row.clear();
            quoted = false;
            break;

        case '\r':
            break;

        default:
            cell += std::toupper( ch );
        }
    }

    // Handle last line without linebreak
    if( !cell.empty() || !row.empty() )
    {
        row.push_back( cell );
        cell.clear();
        rows.push_back( row );
        row.clear();
    }

    return true;
}

FABMASTER::section_type FABMASTER::detectType( size_t aOffset )
{
    single_row row;
    try
    {
        row = rows.at( aOffset );
    }
    catch( std::out_of_range& )
    {
        return UNKNOWN_EXTRACT;
    }

    if( row.size() < 3 )
        return UNKNOWN_EXTRACT;

    if( row[0].back() != 'A' )
        return UNKNOWN_EXTRACT;

    std::string row1 = row[1];
    std::string row2 = row[2];
    std::string row3{};

    /// We strip the underscores from all column names as some export variants use them and some do not
    alg::delete_if( row1, []( char c ){ return c == '_'; } );
    alg::delete_if( row2, []( char c ){ return c == '_'; } );

    if( row.size() > 3 )
    {
        row3 = row[3];
        alg::delete_if( row3, []( char c ){ return c == '_'; } );
    }

    if( row1 == "REFDES" && row2 == "COMPCLASS" )
        return EXTRACT_REFDES;

    if( row1 == "NETNAME" && row2 == "REFDES" )
        return EXTRACT_NETS;

    if( row1 == "CLASS" && row2 == "SUBCLASS" && row3.empty() )
        return EXTRACT_BASIC_LAYERS;

    if( row1 == "GRAPHICDATANAME" && row2 == "GRAPHICDATANUMBER" )
        return EXTRACT_GRAPHICS;

    if( row1 == "CLASS" && row2 == "SUBCLASS" && row3 == "GRAPHICDATANAME" )
        return EXTRACT_TRACES;

    if( row1 == "SYMNAME" && row2 == "PINNAME" )
        return FABMASTER_EXTRACT_PINS;

    if( row1 == "SYMNAME" && row2 == "SYMMIRROR" && row3 == "PINNAME" )
        return EXTRACT_PINS;

    if( row1 == "VIAX" && row2 == "VIAY" )
        return EXTRACT_VIAS;

    if( row1 == "SUBCLASS" && row2 == "PADSHAPENAME" )
        return EXTRACT_PAD_SHAPES;

    if( row1 == "PADNAME" )
        return EXTRACT_PADSTACKS;

    if( row1 == "LAYERSORT" )
        return EXTRACT_FULL_LAYERS;

    wxLogError( _( "Unknown FABMASTER section %s:%s at row %zu." ),
                row1.c_str(),
                row2.c_str(),
                aOffset );
    return UNKNOWN_EXTRACT;

}

double FABMASTER::processScaleFactor( size_t aRow )
{
    double retval = 0.0;

    if( aRow >= rows.size() )
        return -1.0;

    if( rows[aRow].size() < 11 )
    {
        wxLogError( _( "Invalid row size in J row %zu. Expecting 11 elements but found %zu." ),
                    aRow,
                    rows[aRow].size() );
        return -1.0;
    }

    for( int i = 7; i < 10 && retval < 1.0; ++i )
    {
        auto units = rows[aRow][i];
        std::transform(units.begin(), units.end(),units.begin(), ::toupper);

        if( units == "MILS" )
            retval = IU_PER_MILS;
        else if( units == "MILLIMETERS" )
            retval = IU_PER_MM;
        else if( units == "MICRONS" )
            retval = IU_PER_MM * 10.0;
        else if( units == "INCHES" )
            retval = IU_PER_MILS * 1000.0;
    }

    if( retval < 1.0 )
    {
        wxLogError( _( "Could not find units value, defaulting to mils." ) );
        retval = IU_PER_MILS;
    }

    return retval;
}

int FABMASTER::getColFromName( size_t aRow, const std::string& aStr )
{
    if( aRow >= rows.size() )
        return -1;

    std::vector<std::string> header = rows[aRow];

    for( size_t i = 0; i < header.size(); i++ )
    {
        /// Some Fabmaster headers include the underscores while others do not
        /// so we strip them uniformly before comparing
        alg::delete_if( header[i], []( const char c ) { return c == '_'; } );

        if( header[i] == aStr )
            return i;
    }

    THROW_IO_ERROR( wxString::Format( _( "Could not find column label %s." ), aStr.c_str() ) );
    return -1;
}


PCB_LAYER_ID FABMASTER::getLayer( const std::string& aLayerName )
{
    const auto& kicad_layer = layers.find( aLayerName);

    if( kicad_layer == layers.end() )
        return UNDEFINED_LAYER;
    else
        return static_cast<PCB_LAYER_ID>( kicad_layer->second.layerid );
}


size_t FABMASTER::processPadStackLayers( size_t aRow )
{
    size_t rownum = aRow + 2;

    if( rownum >= rows.size() )
        return -1;

    const single_row& header = rows[aRow];

    int pad_name_col        = getColFromName( aRow, "PADNAME" );
    int pad_num_col         = getColFromName( aRow, "RECNUMBER" );
    int pad_lay_col         = getColFromName( aRow, "LAYER" );
    int pad_fix_col         = getColFromName( aRow, "FIXFLAG" );
    int pad_via_col         = getColFromName( aRow, "VIAFLAG" );
    int pad_shape_col       = getColFromName( aRow, "PADSHAPE1" );
    int pad_width_col       = getColFromName( aRow, "PADWIDTH" );
    int pad_height_col      = getColFromName( aRow, "PADHGHT" );
    int pad_xoff_col        = getColFromName( aRow, "PADXOFF" );
    int pad_yoff_col        = getColFromName( aRow, "PADYOFF" );
    int pad_flash_col       = getColFromName( aRow, "PADFLASH" );
    int pad_shape_name_col  = getColFromName( aRow, "PADSHAPENAME" );

    for( ; rownum < rows.size() && rows[rownum].size() > 0 && rows[rownum][0] == "S"; ++rownum )
    {
        const single_row& row = rows[rownum];

        if( row.size() != header.size() )
        {
            wxLogError( _( "Invalid row size in row %zu. Expecting %zu elements but found %zu." ),
                        rownum,
                        header.size(),
                        row.size() );
            continue;
        }

        auto pad_name = row[pad_name_col];
        auto pad_num = row[pad_num_col];
        auto pad_layer = row[pad_lay_col];
        auto pad_is_fixed = row[pad_fix_col];
        auto pad_is_via = row[pad_via_col];
        auto pad_shape = row[pad_shape_col];
        auto pad_width = row[pad_width_col];
        auto pad_height = row[pad_height_col];
        auto pad_xoff = row[pad_xoff_col];
        auto pad_yoff = row[pad_yoff_col];
        auto pad_flash = row[pad_flash_col];
        auto pad_shapename = row[pad_shape_name_col];

        // This layer setting seems to be unused
        if( pad_layer == "INTERNAL_PAD_DEF" || pad_layer == "internal_pad_def" )
            continue;

        // Skip the technical layers
        if( pad_layer[0] == '~' )
            break;

        auto result = layers.emplace( pad_layer, FABMASTER_LAYER{} );
        FABMASTER_LAYER& layer = result.first->second;

        /// If the layer ids have not yet been assigned
        if( layer.id == 0 )
        {
            layer.name = pad_layer;
            layer.id = readInt( pad_num );
            layer.conductive = true;
        }
    }

    return 0;
}


/**
 * A!PADNAME!RECNUMBER!LAYER!FIXFLAG!VIAFLAG!PADSHAPE1!PADWIDTH!PADHGHT!
 *      PADXOFF!PADYOFF!PADFLASH!PADSHAPENAME!TRELSHAPE1!TRELWIDTH!TRELHGHT!
 *      TRELXOFF!TRELYOFF!TRELFLASH!TRELSHAPENAME!APADSHAPE1!APADWIDTH!APADHGHT!
 *      APADXOFF!APADYOFF!APADFLASH!APADSHAPENAME!
 */
size_t FABMASTER::processPadStacks( size_t aRow )
{
    size_t rownum = aRow + 2;

    if( rownum >= rows.size() )
        return -1;

    const single_row& header = rows[aRow];
    double scale_factor = processScaleFactor( aRow + 1 );

    if( scale_factor <= 0.0 )
        return -1;

    int pad_name_col        = getColFromName( aRow, "PADNAME" );
    int pad_num_col         = getColFromName( aRow, "RECNUMBER" );
    int pad_lay_col         = getColFromName( aRow, "LAYER" );
    int pad_fix_col         = getColFromName( aRow, "FIXFLAG" );
    int pad_via_col         = getColFromName( aRow, "VIAFLAG" );
    int pad_shape_col       = getColFromName( aRow, "PADSHAPE1" );
    int pad_width_col       = getColFromName( aRow, "PADWIDTH" );
    int pad_height_col      = getColFromName( aRow, "PADHGHT" );
    int pad_xoff_col        = getColFromName( aRow, "PADXOFF" );
    int pad_yoff_col        = getColFromName( aRow, "PADYOFF" );
    int pad_flash_col       = getColFromName( aRow, "PADFLASH" );
    int pad_shape_name_col  = getColFromName( aRow, "PADSHAPENAME" );

    for( ; rownum < rows.size() && rows[rownum].size() > 0 && rows[rownum][0] == "S"; ++rownum )
    {
        const single_row& row = rows[rownum];
        FM_PAD* pad;

        if( row.size() != header.size() )
        {
            wxLogError( _( "Invalid row size in row %zu. Expecting %zu elements but found %zu." ),
                        rownum,
                        header.size(),
                        row.size() );
            continue;
        }

        auto pad_name = row[pad_name_col];
        auto pad_num = row[pad_num_col];
        auto pad_layer = row[pad_lay_col];
        auto pad_is_fixed = row[pad_fix_col];
        auto pad_is_via = row[pad_via_col];
        auto pad_shape = row[pad_shape_col];
        auto pad_width = row[pad_width_col];
        auto pad_height = row[pad_height_col];
        auto pad_xoff = row[pad_xoff_col];
        auto pad_yoff = row[pad_yoff_col];
        auto pad_flash = row[pad_flash_col];
        auto pad_shapename = row[pad_shape_name_col];

        // This layer setting seems to be unused
        if( pad_layer == "INTERNAL_PAD_DEF" || pad_layer == "internal_pad_def" )
            continue;

        int recnum = KiROUND( readDouble( pad_num ) );

        auto new_pad = pads.find( pad_name );

        if( new_pad != pads.end() )
            pad = &new_pad->second;
        else
        {
            pads[pad_name] = FM_PAD();
            pad = &pads[pad_name];
            pad->name = pad_name;
        }

        /// Handle the drill layer
        if( pad_layer == "~DRILL" )
        {
            int drill_hit;
            int drill_x;
            int drill_y;

            try
            {
                drill_hit = KiROUND( std::fabs( readDouble( pad_shape ) * scale_factor ) );
                drill_x = KiROUND( std::fabs( readDouble( pad_width ) * scale_factor ) );
                drill_y = KiROUND( std::fabs( readDouble( pad_height ) * scale_factor ) );
            }
            catch( ... )
            {
                wxLogError( _( "Expecting drill size value but found %s!%s!%s in row %zu." ),
                            pad_shape.c_str(),
                            pad_width.c_str(),
                            pad_height.c_str(),
                            rownum );
                continue;
            }

            if( drill_hit == 0 )
            {
                pad->drill = false;
                continue;
            }

            pad->drill = true;

            /// This is to account for broken fabmaster outputs where circle drill hits don't actually get the
            /// drill hit value.
            if( drill_x == drill_y )
            {
                pad->drill_size_x = drill_hit;
                pad->drill_size_y = drill_hit;
            }
            else
            {
                pad->drill_size_x = drill_x;
                pad->drill_size_y = drill_y;
            }

            if( !pad_shapename.empty() && pad_shapename[0] == 'P' )
                pad->plated = true;

            continue;
        }

        if( pad_shape.empty() )
            continue;

        double w;
        double h;

        try
        {
            w = readDouble( pad_width ) * scale_factor;
            h = readDouble( pad_height ) * scale_factor;
        }
        catch( ... )
        {
            wxLogError( _( "Expecting pad size values but found %s : %s in row %zu." ),
                        pad_width.c_str(),
                        pad_height.c_str(),
                        rownum );
            continue;
        }

        if( w <= 0.0 )
            continue;

        auto layer = layers.find( pad_layer );

        if( layer != layers.end() )
        {
            if( layer->second.layerid == F_Cu )
                pad->top = true;
            else if( layer->second.layerid == B_Cu )
                pad->bottom = true;
        }

        if( w > std::numeric_limits<int>::max() || h > std::numeric_limits<int>::max() )
        {
            wxLogError( _( "Invalid pad size in row %zu." ), rownum );
            continue;
        }

        if( pad_layer == "~TSM" || pad_layer == "~BSM" )
        {
            if( w > 0.0 && h > 0.0 )
            {
                pad->mask_width = KiROUND( w );
                pad->mask_height = KiROUND( h );
            }
            continue;
        }

        if( pad_layer == "~TSP" || pad_layer == "~BSP" )
        {
            if( w > 0.0 && h > 0.0 )
            {
                pad->paste_width = KiROUND( w );
                pad->paste_height = KiROUND( h );
            }
            continue;
        }

        /// All remaining technical layers are not handled
        if( pad_layer[0] == '~' )
            continue;

        try
        {
            pad->x_offset = KiROUND( readDouble( pad_xoff ) * scale_factor );
            pad->y_offset = -KiROUND( readDouble( pad_yoff ) * scale_factor );
        }
        catch( ... )
        {
            wxLogError( _( "Expecting pad offset values but found %s:%s in row %zu." ),
                        pad_xoff.c_str(),
                        pad_yoff.c_str(),
                        rownum );
            continue;
        }

        if( w > 0.0 && h > 0.0 && recnum == 1 )
        {
            pad->width = KiROUND( w );
            pad->height = KiROUND( h );
            pad->via = ( std::toupper( pad_is_via[0] ) != 'V' );

            if( pad_shape == "CIRCLE" )
            {
                pad->height = pad->width;
                pad->shape = PAD_SHAPE::CIRCLE;
            }
            else if( pad_shape == "RECTANGLE" )
            {
                pad->shape = PAD_SHAPE::RECT;
            }
            else if( pad_shape == "ROUNDED_RECT" )
            {
                pad->shape = PAD_SHAPE::ROUNDRECT;
            }
            else if( pad_shape == "SQUARE" )
            {
                pad->shape = PAD_SHAPE::RECT;
                pad->height = pad->width;
            }
            else if( pad_shape == "OBLONG" || pad_shape == "OBLONG_X" || pad_shape == "OBLONG_Y" )
                pad->shape = PAD_SHAPE::OVAL;
            else if( pad_shape == "OCTAGON" )
            {
                pad->shape = PAD_SHAPE::RECT;
                pad->is_octogon = true;
            }
            else if( pad_shape == "SHAPE" )
            {
                pad->shape = PAD_SHAPE::CUSTOM;
                pad->custom_name = pad_shapename;
            }
            else
            {
                wxLogError( _( "Unknown pad shape name '%s' on layer '%s' in row %zu." ),
                            pad_shape.c_str(),
                            pad_layer.c_str(),
                            rownum );
                continue;
            }
        }
    }

    return rownum - aRow;
}


size_t FABMASTER::processSimpleLayers( size_t aRow )
{
    size_t rownum = aRow + 2;

     if( rownum >= rows.size() )
         return -1;

     auto header = rows[aRow];
     double scale_factor = processScaleFactor( aRow + 1 );

     if( scale_factor <= 0.0 )
         return -1;

     int layer_class_col     = getColFromName( aRow, "CLASS" );
     int layer_subclass_col  = getColFromName( aRow, "SUBCLASS" );

     if( layer_class_col < 0 || layer_subclass_col < 0 )
         return -1;

     for( ; rownum < rows.size() && rows[rownum].size() > 0 && rows[rownum][0] == "S"; ++rownum )
     {
         const single_row& row = rows[rownum];

         if( row.size() != header.size() )
         {
             wxLogError( _( "Invalid row size in row %zu. Expecting %zu elements but found %zu." ),
                         rownum,
                         header.size(),
                         row.size() );
             continue;
         }

         auto result = layers.emplace( row[layer_subclass_col], FABMASTER_LAYER{} );
         FABMASTER_LAYER& layer = result.first->second;

         layer.name = row[layer_subclass_col];
         layer.positive = true;
         layer.conductive = false;

         if( row[layer_class_col] == "ANTI ETCH" )
         {
             layer.positive = false;
             layer.conductive = true;
         }
         else if( row[layer_class_col] == "ETCH" )
         {
             layer.conductive = true;
         }
     }

     return rownum - aRow;
}


bool FABMASTER::assignLayers()
{
    bool has_l1 = false;
    int max_layer = 0;
    std::string max_layer_name;

    std::vector<std::pair<std::string, int>> extra_layers
    {
        { "ASSEMBLY_TOP", F_Fab },
        { "ASSEMBLY_BOTTOM", B_Fab },
        { "PLACE_BOUND_TOP", F_CrtYd },
        { "PLACE_BOUND_BOTTOM", B_CrtYd },
    };

    std::vector<FABMASTER_LAYER*> layer_order;

    for( auto& el : layers )
    {
        FABMASTER_LAYER& layer = el.second;
        layer.layerid = UNSELECTED_LAYER;

        if( layer.conductive )
        {
            layer_order.push_back( &layer );
        }
        else if( layer.name.find( "SILK" ) != std::string::npos &&
                 layer.name.find( "AUTOSILK" ) == std::string::npos ) // Skip the autosilk layer
        {
            if( layer.name.find( "B" ) != std::string::npos )
                layer.layerid = B_SilkS;
            else
                layer.layerid = F_SilkS;
        }
        else if( layer.name.find( "MASK" ) != std::string::npos ||
                 layer.name.find( "MSK" ) != std::string::npos )
        {
            if( layer.name.find( "B" ) != std::string::npos )
                layer.layerid = B_Mask;
            else
                layer.layerid = F_Mask;
        }
        else if( layer.name.find( "PAST" ) != std::string::npos )
        {
            if( layer.name.find( "B" ) != std::string::npos )
                layer.layerid = B_Paste;
            else
                layer.layerid = F_Paste;
        }
        else if( layer.name.find( "NCLEGEND" ) != std::string::npos )
            layer.layerid = Dwgs_User;
        else
            layer.disable = true;
    }

    std::sort( layer_order.begin(), layer_order.end(), FABMASTER_LAYER::BY_ID() );
    int layernum = 0;

    for( auto layer : layer_order )
        layer->layerid = layernum++;

    /// Back copper has a special id number, so assign that to the last copper layer
    /// in the stackup
    layer_order.back()->layerid = B_Cu;

    for( auto& new_pair : extra_layers )
    {
        FABMASTER_LAYER new_layer;

        new_layer.name = new_pair.first;
        new_layer.layerid = new_pair.second;
        new_layer.conductive = false;

        auto result = layers.emplace( new_pair.first, new_layer );

        if( !result.second )
        {
            result.first->second.layerid = new_pair.second;
            result.first->second.disable = false;
        }
    }

    return true;
}


/**
 * A!LAYER_SORT!LAYER_SUBCLASS!LAYER_ARTWORK!LAYER_USE!LAYER_CONDUCTOR!LAYER_DIELECTRIC_CONSTANT!
 * LAYER_ELECTRICAL_CONDUCTIVITY!LAYER_MATERIAL!LAYER_SHIELD_LAYER!LAYER_THERMAL_CONDUCTIVITY!
 * LAYER_THICKNESS!
 */
size_t FABMASTER::processLayers( size_t aRow )
{
    size_t rownum = aRow + 2;

    if( rownum >= rows.size() )
        return -1;

    auto header = rows[aRow];
    double scale_factor = processScaleFactor( aRow + 1 );

    if( scale_factor <= 0.0 )
        return -1;

    int layer_sort_col      = getColFromName( aRow, "LAYERSORT" );
    int layer_subclass_col  = getColFromName( aRow, "LAYERSUBCLASS" );
    int layer_art_col       = getColFromName( aRow, "LAYERARTWORK" );
    int layer_use_col       = getColFromName( aRow, "LAYERUSE" );
    int layer_cond_col      = getColFromName( aRow, "LAYERCONDUCTOR" );
    int layer_er_col        = getColFromName( aRow, "LAYERDIELECTRICCONSTANT" );
    int layer_rho_col       = getColFromName( aRow, "LAYERELECTRICALCONDUCTIVITY" );
    int layer_mat_col       = getColFromName( aRow, "LAYERMATERIAL" );

    if( layer_sort_col < 0 || layer_subclass_col < 0 || layer_art_col < 0 || layer_use_col < 0
            || layer_cond_col < 0 || layer_er_col < 0 || layer_rho_col < 0 || layer_mat_col < 0 )
        return -1;

    for( ; rownum < rows.size() && rows[rownum].size() > 0 && rows[rownum][0] == "S"; ++rownum )
    {
        const single_row& row = rows[rownum];

        if( row.size() != header.size() )
        {
            wxLogError( _( "Invalid row size in row %zu. Expecting %zu elements but found %zu." ),
                        rownum,
                        header.size(),
                        row.size() );
            continue;
        }

        auto layer_sort = row[layer_sort_col];
        auto layer_subclass = row[layer_subclass_col];
        auto layer_art = row[layer_art_col];
        auto layer_use = row[layer_use_col];
        auto layer_cond = row[layer_cond_col];
        auto layer_er = row[layer_er_col];
        auto layer_rho = row[layer_rho_col];
        auto layer_mat = row[layer_mat_col];

        if( layer_mat == "AIR" )
            continue;

        FABMASTER_LAYER layer;

        if( layer_subclass.empty() )
        {
            if( layer_cond != "NO" )
                layer.name = "In.Cu" + layer_sort;
            else
                layer.name = "Dielectric" + layer_sort;
        }

        layer.positive = ( layer_art != "NEGATIVE" );

        layers.emplace( layer.name, layer );
    }

    return rownum - aRow;
}


/**
 * A!SUBCLASS!PAD_SHAPE_NAME!GRAPHIC_DATA_NAME!GRAPHIC_DATA_NUMBER!RECORD_TAG!GRAPHIC_DATA_1!
 * GRAPHIC_DATA_2!GRAPHIC_DATA_3!GRAPHIC_DATA_4!GRAPHIC_DATA_5!GRAPHIC_DATA_6!GRAPHIC_DATA_7!
 * GRAPHIC_DATA_8!GRAPHIC_DATA_9!PAD_STACK_NAME!REFDES!PIN_NUMBER!
 */
size_t FABMASTER::processCustomPads( size_t aRow )
{
    size_t rownum = aRow + 2;

    if( rownum >= rows.size() )
        return -1;

    auto header = rows[aRow];
    double scale_factor = processScaleFactor( aRow + 1 );

    if( scale_factor <= 0.0 )
        return -1;

    int pad_subclass_col     = getColFromName( aRow, "SUBCLASS" );
    int pad_shape_name_col   = getColFromName( aRow, "PADSHAPENAME" );
    int pad_grdata_name_col  = getColFromName( aRow, "GRAPHICDATANAME" );
    int pad_grdata_num_col   = getColFromName( aRow, "GRAPHICDATANUMBER" );
    int pad_record_tag_col   = getColFromName( aRow, "RECORDTAG" );
    int pad_grdata1_col      = getColFromName( aRow, "GRAPHICDATA1" );
    int pad_grdata2_col      = getColFromName( aRow, "GRAPHICDATA2" );
    int pad_grdata3_col      = getColFromName( aRow, "GRAPHICDATA3" );
    int pad_grdata4_col      = getColFromName( aRow, "GRAPHICDATA4" );
    int pad_grdata5_col      = getColFromName( aRow, "GRAPHICDATA5" );
    int pad_grdata6_col      = getColFromName( aRow, "GRAPHICDATA6" );
    int pad_grdata7_col      = getColFromName( aRow, "GRAPHICDATA7" );
    int pad_grdata8_col      = getColFromName( aRow, "GRAPHICDATA8" );
    int pad_grdata9_col      = getColFromName( aRow, "GRAPHICDATA9" );
    int pad_stack_name_col   = getColFromName( aRow, "PADSTACKNAME" );
    int pad_refdes_col       = getColFromName( aRow, "REFDES" );
    int pad_pin_num_col      = getColFromName( aRow, "PINNUMBER" );

    if( pad_subclass_col < 0 || pad_shape_name_col < 0 || pad_grdata1_col < 0 || pad_grdata2_col < 0
            || pad_grdata3_col < 0 || pad_grdata4_col < 0 || pad_grdata5_col < 0
            || pad_grdata6_col < 0 || pad_grdata7_col < 0 || pad_grdata8_col < 0
            || pad_grdata9_col < 0 || pad_stack_name_col < 0 || pad_refdes_col < 0
            || pad_pin_num_col < 0 )
        return -1;

    for( ; rownum < rows.size() && rows[rownum].size() > 0 && rows[rownum][0] == "S"; ++rownum )
    {
        const single_row& row = rows[rownum];

        if( row.size() != header.size() )
        {
            wxLogError( _( "Invalid row size in row %zu. Expecting %zu elements but found %zu." ),
                        rownum,
                        header.size(),
                        row.size() );

            continue;
        }

        auto pad_layer          = row[pad_subclass_col];
        auto pad_shape_name     = row[pad_shape_name_col];
        auto pad_record_tag     = row[pad_record_tag_col];

        GRAPHIC_DATA gr_data;
        gr_data.graphic_dataname = row[pad_grdata_name_col];
        gr_data.graphic_datanum = row[pad_grdata_num_col];
        gr_data.graphic_data1 = row[pad_grdata1_col];
        gr_data.graphic_data2 = row[pad_grdata2_col];
        gr_data.graphic_data3 = row[pad_grdata3_col];
        gr_data.graphic_data4 = row[pad_grdata4_col];
        gr_data.graphic_data5 = row[pad_grdata5_col];
        gr_data.graphic_data6 = row[pad_grdata6_col];
        gr_data.graphic_data7 = row[pad_grdata7_col];
        gr_data.graphic_data8 = row[pad_grdata8_col];
        gr_data.graphic_data9 = row[pad_grdata9_col];

        auto pad_stack_name     = row[pad_stack_name_col];
        auto pad_refdes         = row[pad_refdes_col];
        auto pad_pin_num        = row[pad_pin_num_col];

        // N.B. We get the FIGSHAPE records as "FIG_SHAPE name".  We only want "name"
        // and we don't process other pad shape records
        std::string prefix( "FIG_SHAPE " );

        if( pad_shape_name.length() <= prefix.length()
                || !std::equal( prefix.begin(), prefix.end(), pad_shape_name.begin() ) )
        {
            continue;
        }

        // Custom pads are a series of records with the same record ID but incrementing
        // Sequence numbers.
        int id          = -1;
        int seq         = -1;

        if( std::sscanf( pad_record_tag.c_str(), "%d %d", &id, &seq ) != 2 )
        {
            wxLogError( _( "Invalid format for id string '%s' in custom pad row %zu." ),
                        pad_record_tag.c_str(),
                        rownum );
            continue;
        }

        auto name = pad_shape_name.substr( prefix.length() );
        name += "_" + pad_refdes + "_" + pad_pin_num;
        auto ret = pad_shapes.emplace( name, FABMASTER_PAD_SHAPE{} );

        auto& custom_pad = ret.first->second;

        // If we were able to insert the pad name, then we need to initialize the
        // record
        if( ret.second )
        {
            custom_pad.name = name;
            custom_pad.padstack = pad_stack_name;
            custom_pad.pinnum = pad_pin_num;
            custom_pad.refdes = pad_refdes;
        }

        // At this point we extract the individual graphical elements for processing the complex pad.  The
        // coordinates are in board origin format, so we'll need to fix the offset later when we assign them
        // to the modules.

        auto gr_item = std::unique_ptr<GRAPHIC_ITEM>( processGraphic( gr_data, scale_factor ) );

        if( gr_item )
        {
            gr_item->layer = pad_layer;
            gr_item->refdes = pad_refdes;
            gr_item->seq = seq;
            gr_item->subseq = 0;

            /// emplace may fail here, in which case, it returns the correct position to use for the existing map
            auto pad_it = custom_pad.elements.emplace( id, graphic_element{} );
            auto retval = pad_it.first->second.insert( std::move(gr_item ) );

            if( !retval.second )
            {
                wxLogError( _( "Could not insert graphical item %d into padstack '%s'." ),
                            seq,
                            pad_stack_name.c_str() );
            }
        }
        else
        {
            wxLogError( _( "Unrecognized pad shape primitive '%s' in row %zu." ),
                        gr_data.graphic_dataname,
                        rownum );
        }
    }

    return rownum - aRow;
}


FABMASTER::GRAPHIC_LINE* FABMASTER::processLine( const FABMASTER::GRAPHIC_DATA& aData, double aScale )
{
    GRAPHIC_LINE* new_line = new GRAPHIC_LINE ;

    new_line->shape   = GR_SHAPE_LINE;
    new_line->start_x = KiROUND( readDouble( aData.graphic_data1 ) * aScale );
    new_line->start_y = -KiROUND( readDouble( aData.graphic_data2 ) * aScale );
    new_line->end_x   = KiROUND( readDouble( aData.graphic_data3 ) * aScale );
    new_line->end_y   = -KiROUND( readDouble( aData.graphic_data4 ) * aScale );
    new_line->width   = KiROUND( readDouble( aData.graphic_data5 ) * aScale );

    return new_line;
}

FABMASTER::GRAPHIC_ARC* FABMASTER::processArc( const FABMASTER::GRAPHIC_DATA& aData, double aScale )
{
    GRAPHIC_ARC* new_arc = new GRAPHIC_ARC ;

    new_arc->shape    = GR_SHAPE_ARC;
    new_arc->start_x  = KiROUND( readDouble( aData.graphic_data1 ) * aScale );
    new_arc->start_y  = -KiROUND( readDouble( aData.graphic_data2 ) * aScale );
    new_arc->end_x    = KiROUND( readDouble( aData.graphic_data3 ) * aScale );
    new_arc->end_y    = -KiROUND( readDouble( aData.graphic_data4 ) * aScale );
    new_arc->center_x = KiROUND( readDouble( aData.graphic_data5 ) * aScale );
    new_arc->center_y = -KiROUND( readDouble( aData.graphic_data6 ) * aScale );
    new_arc->radius   = KiROUND( readDouble( aData.graphic_data7 ) * aScale );
    new_arc->width    = KiROUND( readDouble( aData.graphic_data8 ) * aScale );

    new_arc->clockwise = ( aData.graphic_data9 != "COUNTERCLOCKWISE" );

    double startangle = NormalizeAnglePos( RAD2DECIDEG(
                    atan2( new_arc->start_y - new_arc->center_y,
                           new_arc->start_x - new_arc->center_x ) ) );
    double endangle = NormalizeAnglePos( RAD2DECIDEG(
            atan2( new_arc->end_y - new_arc->center_y,
                   new_arc->end_x - new_arc->center_x ) ) );
    double angle;

    VECTOR2I center( new_arc->center_x, new_arc->center_y );
    VECTOR2I start( new_arc->start_x, new_arc->start_y );
    VECTOR2I mid( new_arc->start_x, new_arc->start_y );
    VECTOR2I end( new_arc->end_x, new_arc->end_y );

    angle = endangle - startangle;

    if( new_arc->clockwise && angle < 0.0 )
        angle += 3600.0;
    if( !new_arc->clockwise && angle > 0.0 )
        angle -= 3600.0;

    if( start == end )
        angle = -3600.0;

    RotatePoint( mid, center, -angle / 2.0 );

    new_arc->result = SHAPE_ARC( start, mid, end, 0 );

    return new_arc;
}

FABMASTER::GRAPHIC_RECTANGLE* FABMASTER::processRectangle( const FABMASTER::GRAPHIC_DATA& aData, double aScale )
{
    GRAPHIC_RECTANGLE* new_rect = new GRAPHIC_RECTANGLE;

    new_rect->shape   = GR_SHAPE_RECTANGLE;
    new_rect->start_x = KiROUND( readDouble( aData.graphic_data1 ) * aScale );
    new_rect->start_y = -KiROUND( readDouble( aData.graphic_data2 ) * aScale );
    new_rect->end_x   = KiROUND( readDouble( aData.graphic_data3 ) * aScale );
    new_rect->end_y   = -KiROUND( readDouble( aData.graphic_data4 ) * aScale );
    new_rect->fill    = aData.graphic_data5 == "1";
    new_rect->width   = 0;

    return new_rect;
}

FABMASTER::GRAPHIC_TEXT* FABMASTER::processText( const FABMASTER::GRAPHIC_DATA& aData, double aScale )
{
    GRAPHIC_TEXT* new_text = new GRAPHIC_TEXT;

    new_text->shape    = GR_SHAPE_TEXT;
    new_text->start_x  = KiROUND( readDouble( aData.graphic_data1 ) * aScale );
    new_text->start_y  = -KiROUND( readDouble( aData.graphic_data2 ) * aScale );
    new_text->rotation = KiROUND( readDouble( aData.graphic_data3 ) );
    new_text->mirror   = ( aData.graphic_data4 == "YES" );

    if( aData.graphic_data5 == "RIGHT" )
        new_text->orient = GR_TEXT_HJUSTIFY_RIGHT;
    else if( aData.graphic_data5 == "CENTER" )
        new_text->orient = GR_TEXT_HJUSTIFY_CENTER;
    else
        new_text->orient = GR_TEXT_HJUSTIFY_LEFT;

    std::vector<std::string> toks = split( aData.graphic_data6, " \t" );

    if( toks.size() < 8 )
    {
            // We log the error here but continue in the case of too few tokens
            wxLogError( _( "Invalid token count. Expected 8 but found %zu." ), toks.size() );
            new_text->height = 0;
            new_text->width  = 0;
            new_text->ital   = false;
            new_text->thickness = 0;
    }
    else
    {
        // 0 = size
        // 1 = font
        new_text->height = KiROUND( readDouble( toks[2] ) * aScale );
        new_text->width  = KiROUND( readDouble( toks[3] ) * aScale );
        new_text->ital   = readDouble( toks[4] ) != 0.0;
        // 5 = character spacing
        // 6 = line spacing
        new_text->thickness = KiROUND( readDouble( toks[7] ) * aScale );
    }

    new_text->text = aData.graphic_data7;
    return new_text;
}


FABMASTER::GRAPHIC_ITEM* FABMASTER::processGraphic( const GRAPHIC_DATA& aData, double aScale )
{
    GRAPHIC_ITEM* retval = nullptr;

    if( aData.graphic_dataname == "LINE" )
        retval = processLine( aData, aScale );
    else if( aData.graphic_dataname == "ARC" )
        retval = processArc( aData, aScale );
    else if( aData.graphic_dataname == "RECTANGLE" )
        retval = processRectangle( aData, aScale );
    else if( aData.graphic_dataname == "TEXT" )
        retval = processText( aData, aScale );

    if( retval && !aData.graphic_data10.empty() )
    {
        if( aData.graphic_data10 == "CONNECT" )
            retval->type = GR_TYPE_CONNECT;
        else if( aData.graphic_data10 == "NOTCONNECT" )
            retval->type = GR_TYPE_NOTCONNECT;
        else if( aData.graphic_data10 == "SHAPE" )
            retval->type = GR_TYPE_NOTCONNECT;
        else if( aData.graphic_data10 == "VOID" )
            retval->type = GR_TYPE_NOTCONNECT;
        else if( aData.graphic_data10 == "POLYGON" )
            retval->type = GR_TYPE_NOTCONNECT;
        else
            retval->type = GR_TYPE_NONE;
    }

    return retval;
}


/**
 * A!GRAPHIC_DATA_NAME!GRAPHIC_DATA_NUMBER!RECORD_TAG!GRAPHIC_DATA_1!GRAPHIC_DATA_2!GRAPHIC_DATA_3!
 * GRAPHIC_DATA_4!GRAPHIC_DATA_5!GRAPHIC_DATA_6!GRAPHIC_DATA_7!GRAPHIC_DATA_8!GRAPHIC_DATA_9!
 * SUBCLASS!SYM_NAME!REFDES!
 */
size_t FABMASTER::processGeometry( size_t aRow )
{
    size_t rownum = aRow + 2;

    if( rownum >= rows.size() )
        return -1;

    const single_row& header = rows[aRow];
    double scale_factor = processScaleFactor( aRow + 1 );

    if( scale_factor <= 0.0 )
        return -1;

    int geo_name_col = getColFromName( aRow, "GRAPHICDATANAME" );
    int geo_num_col = getColFromName( aRow, "GRAPHICDATANUMBER" );
    int geo_tag_col = getColFromName( aRow, "RECORDTAG" );
    int geo_grdata1_col = getColFromName( aRow, "GRAPHICDATA1" );
    int geo_grdata2_col = getColFromName( aRow, "GRAPHICDATA2" );
    int geo_grdata3_col = getColFromName( aRow, "GRAPHICDATA3" );
    int geo_grdata4_col = getColFromName( aRow, "GRAPHICDATA4" );
    int geo_grdata5_col = getColFromName( aRow, "GRAPHICDATA5" );
    int geo_grdata6_col = getColFromName( aRow, "GRAPHICDATA6" );
    int geo_grdata7_col = getColFromName( aRow, "GRAPHICDATA7" );
    int geo_grdata8_col = getColFromName( aRow, "GRAPHICDATA8" );
    int geo_grdata9_col = getColFromName( aRow, "GRAPHICDATA9" );
    int geo_subclass_col = getColFromName( aRow, "SUBCLASS" );
    int geo_sym_name_col = getColFromName( aRow, "SYMNAME" );
    int geo_refdes_col = getColFromName( aRow, "REFDES" );

    if( geo_name_col < 0 || geo_num_col < 0 || geo_grdata1_col < 0 || geo_grdata2_col < 0
            || geo_grdata3_col < 0 || geo_grdata4_col < 0 || geo_grdata5_col < 0
            || geo_grdata6_col < 0 || geo_grdata7_col < 0 || geo_grdata8_col < 0
            || geo_grdata9_col < 0 || geo_subclass_col < 0 || geo_sym_name_col < 0
            || geo_refdes_col < 0 )
        return -1;

    for( ; rownum < rows.size() && rows[rownum].size() > 0 && rows[rownum][0] == "S"; ++rownum )
    {
        const single_row& row = rows[rownum];

        if( row.size() != header.size() )
        {
            wxLogError( _( "Invalid row size in row %zu. Expecting %zu elements but found %zu." ),
                        rownum,
                        header.size(),
                        row.size() );
            continue;
        }

        auto geo_tag = row[geo_tag_col];

        GRAPHIC_DATA gr_data;
        gr_data.graphic_dataname = row[geo_name_col];
        gr_data.graphic_datanum = row[geo_num_col];
        gr_data.graphic_data1 = row[geo_grdata1_col];
        gr_data.graphic_data2 = row[geo_grdata2_col];
        gr_data.graphic_data3 = row[geo_grdata3_col];
        gr_data.graphic_data4 = row[geo_grdata4_col];
        gr_data.graphic_data5 = row[geo_grdata5_col];
        gr_data.graphic_data6 = row[geo_grdata6_col];
        gr_data.graphic_data7 = row[geo_grdata7_col];
        gr_data.graphic_data8 = row[geo_grdata8_col];
        gr_data.graphic_data9 = row[geo_grdata9_col];

        auto geo_refdes = row[geo_refdes_col];

        // Grouped graphics are a series of records with the same record ID but incrementing
        // Sequence numbers.
        int id          = -1;
        int seq         = -1;
        int subseq      = 0;

        if( std::sscanf( geo_tag.c_str(), "%d %d %d", &id, &seq, &subseq ) < 2 )
        {
            wxLogError( _( "Invalid format for record_tag string '%s' in row %zu." ),
                        geo_tag.c_str(),
                        rownum );
            continue;
        }

        auto gr_item = std::unique_ptr<GRAPHIC_ITEM>( processGraphic( gr_data, scale_factor ) );

        if( !gr_item )
        {
            wxLogDebug( "Unhandled graphic item '%s' in row %zu.",
                        gr_data.graphic_dataname.c_str(),
                        geo_tag.c_str(),
                        rownum );
            continue;
        }

        gr_item->layer = row[geo_subclass_col];
        gr_item->seq = seq;
        gr_item->subseq = subseq;

        if( geo_refdes.empty() )
        {
            if( board_graphics.empty() || board_graphics.back().id != id )
            {
                GEOM_GRAPHIC new_gr;
                new_gr.subclass = row[geo_subclass_col];
                new_gr.refdes   = row[geo_refdes_col];
                new_gr.name     = row[geo_sym_name_col];
                new_gr.id       = id;
                new_gr.elements = std::make_unique<graphic_element>();
                board_graphics.push_back( std::move( new_gr ) );
            }

            GEOM_GRAPHIC& graphic = board_graphics.back();
            graphic.elements->emplace( std::move( gr_item ) );
        }
        else
        {
            auto sym_gr_it = comp_graphics.emplace( geo_refdes,
                    std::map<int, GEOM_GRAPHIC>{} );
            auto map_it = sym_gr_it.first->second.emplace( id, GEOM_GRAPHIC{} );
            auto& gr = map_it.first;

            if( map_it.second )
            {
                gr->second.subclass = row[geo_subclass_col];
                gr->second.refdes   = row[geo_refdes_col];
                gr->second.name     = row[geo_sym_name_col];
                gr->second.id       = id;
                gr->second.elements = std::make_unique<graphic_element>();
            }

            auto result = gr->second.elements->emplace( std::move( gr_item ) );
        }
    }

    return rownum - aRow;
}


/**
 *  A!VIA_X!VIA_Y!PAD_STACK_NAME!NET_NAME!TEST_POINT!
 */
size_t FABMASTER::processVias( size_t aRow )
{
    size_t rownum = aRow + 2;

    if( rownum >= rows.size() )
        return -1;

    const single_row& header = rows[aRow];
    double scale_factor = processScaleFactor( aRow + 1 );

    if( scale_factor <= 0.0 )
        return -1;

    int viax_col = getColFromName( aRow, "VIAX" );
    int viay_col = getColFromName( aRow, "VIAY" );
    int padstack_name_col = getColFromName( aRow, "PADSTACKNAME" );
    int net_name_col = getColFromName( aRow, "NETNAME" );
    int test_point_col = getColFromName( aRow, "TESTPOINT" );

    if( viax_col < 0 || viay_col < 0 || padstack_name_col < 0 || net_name_col < 0
            || test_point_col < 0 )
        return -1;

    for( ; rownum < rows.size() && rows[rownum].size() > 0 && rows[rownum][0] == "S"; ++rownum )
    {
        const single_row& row = rows[rownum];

        if( row.size() != header.size() )
        {
            wxLogError( _( "Invalid row size in row %zu. Expecting %zu elements but found %zu." ),
                        rownum,
                        header.size(),
                        row.size() );
            continue;
        }

        vias.emplace_back( std::make_unique<FM_VIA>() );
        auto& via = vias.back();

        via->x = KiROUND( readDouble( row[viax_col] ) * scale_factor );
        via->y = -KiROUND( readDouble( row[viay_col] ) * scale_factor );
        via->padstack = row[padstack_name_col];
        via->net = row[net_name_col];
        via->test_point = ( row[test_point_col] == "YES" );
    }

    return rownum - aRow;
}


/**
 * A!CLASS!SUBCLASS!GRAPHIC_DATA_NAME!GRAPHIC_DATA_NUMBER!RECORD_TAG!GRAPHIC_DATA_1!GRAPHIC_DATA_2!
 * GRAPHIC_DATA_3!GRAPHIC_DATA_4!GRAPHIC_DATA_5!GRAPHIC_DATA_6!GRAPHIC_DATA_7!GRAPHIC_DATA_8!
 * GRAPHIC_DATA_9!NET_NAME!
 */
size_t FABMASTER::processTraces( size_t aRow )
{
    size_t rownum = aRow + 2;

    if( rownum >= rows.size() )
        return -1;

    const single_row& header = rows[aRow];
    double scale_factor = processScaleFactor( aRow + 1 );

    if( scale_factor <= 0.0 )
        return -1;

    int class_col = getColFromName( aRow, "CLASS" );
    int layer_col = getColFromName( aRow, "SUBCLASS" );
    int grdata_name_col = getColFromName( aRow, "GRAPHICDATANAME" );
    int grdata_num_col = getColFromName( aRow, "GRAPHICDATANUMBER" );
    int tag_col = getColFromName( aRow, "RECORDTAG" );
    int grdata1_col = getColFromName( aRow, "GRAPHICDATA1" );
    int grdata2_col = getColFromName( aRow, "GRAPHICDATA2" );
    int grdata3_col = getColFromName( aRow, "GRAPHICDATA3" );
    int grdata4_col = getColFromName( aRow, "GRAPHICDATA4" );
    int grdata5_col = getColFromName( aRow, "GRAPHICDATA5" );
    int grdata6_col = getColFromName( aRow, "GRAPHICDATA6" );
    int grdata7_col = getColFromName( aRow, "GRAPHICDATA7" );
    int grdata8_col = getColFromName( aRow, "GRAPHICDATA8" );
    int grdata9_col = getColFromName( aRow, "GRAPHICDATA9" );
    int netname_col = getColFromName( aRow, "NETNAME" );

    if( class_col < 0 || layer_col < 0 || grdata_name_col < 0 || grdata_num_col < 0
            || tag_col < 0 || grdata1_col < 0 || grdata2_col < 0 || grdata3_col < 0
            || grdata4_col < 0 || grdata5_col < 0 || grdata6_col < 0 || grdata7_col < 0
            || grdata8_col < 0 || grdata9_col < 0 || netname_col < 0 )
        return -1;

    for( ; rownum < rows.size() && rows[rownum].size() > 0 && rows[rownum][0] == "S"; ++rownum )
    {
        const single_row& row = rows[rownum];

        if( row.size() != header.size() )
        {
            wxLogError( _( "Invalid row size in row %zu.  Expecting %zu elements but found %zu." ),
                        rownum,
                        header.size(),
                        row.size() );
            continue;
        }

        GRAPHIC_DATA gr_data;
        gr_data.graphic_dataname = row[grdata_name_col];
        gr_data.graphic_datanum = row[grdata_num_col];
        gr_data.graphic_data1 = row[grdata1_col];
        gr_data.graphic_data2 = row[grdata2_col];
        gr_data.graphic_data3 = row[grdata3_col];
        gr_data.graphic_data4 = row[grdata4_col];
        gr_data.graphic_data5 = row[grdata5_col];
        gr_data.graphic_data6 = row[grdata6_col];
        gr_data.graphic_data7 = row[grdata7_col];
        gr_data.graphic_data8 = row[grdata8_col];
        gr_data.graphic_data9 = row[grdata9_col];

        const std::string& geo_tag = row[tag_col];
        // Grouped graphics are a series of records with the same record ID but incrementing
        // Sequence numbers.
        int id          = -1;
        int seq         = -1;
        int subseq      = 0;

        if( std::sscanf( geo_tag.c_str(), "%d %d %d", &id, &seq, &subseq ) < 2 )
        {
            wxLogError( _( "Invalid format for record_tag string '%s' in row %zu." ),
                        geo_tag.c_str(),
                        rownum );
            continue;
        }

        auto gr_item = std::unique_ptr<GRAPHIC_ITEM>( processGraphic( gr_data, scale_factor ) );

        if( !gr_item )
        {
            wxLogDebug( _( "Unhandled graphic item '%s' in row %zu." ),
                        gr_data.graphic_dataname.c_str(),
                        rownum );
            continue;
        }

        auto new_trace = std::make_unique<TRACE>();
        new_trace->id      = id;
        new_trace->layer   = row[layer_col];
        new_trace->netname = row[netname_col];
        new_trace->lclass  = row[class_col];

        gr_item->layer = row[layer_col];
        gr_item->seq = seq;
        gr_item->subseq = subseq;

        // Collect the reference designator positions for the footprints later
        if( new_trace->lclass == "REF DES" )
        {
            auto result = refdes.emplace( std::move( new_trace ) );
            auto& ref   = *result.first;
            ref->segment.emplace( std::move( gr_item ) );
        }
        else if( gr_item->width == 0 )
        {
            auto result = zones.emplace( std::move( new_trace ) );
            auto& zone  = *result.first;
            auto gr_result = zone->segment.emplace( std::move( gr_item ) );

            if( !gr_result.second )
            {
                wxLogError( _( "Duplicate item for ID %d and sequence %d in row %zu." ),
                            id,
                            seq,
                            rownum );
            }

        }
        else
        {
            auto result = traces.emplace( std::move( new_trace ) );
            auto& trace  = *result.first;
            auto gr_result = trace->segment.emplace( std::move( gr_item ) );

            if( !gr_result.second )
            {
                wxLogError( _( "Duplicate item for ID %d and sequence %d in row %zu." ),
                            id,
                            seq,
                            rownum );
            }
        }
    }

    return rownum - aRow;
}


FABMASTER::SYMTYPE FABMASTER::parseSymType( const std::string& aSymType )
{
    if( aSymType == "PACKAGE" )
        return SYMTYPE_PACKAGE;
    else if( aSymType == "DRAFTING")
        return SYMTYPE_DRAFTING;
    else if( aSymType == "MECHANICAL" )
        return SYMTYPE_MECH;
    else if( aSymType == "FORMAT" )
        return SYMTYPE_FORMAT;

    return SYMTYPE_NONE;
}


FABMASTER::COMPCLASS FABMASTER::parseCompClass( const std::string& aCmpClass )
{
    if( aCmpClass == "IO" )
        return COMPCLASS_IO;
    else if( aCmpClass == "IC" )
        return COMPCLASS_IC;
    else if( aCmpClass == "DISCRETE" )
        return COMPCLASS_DISCRETE;

    return COMPCLASS_NONE;
}

/**
 * A!REFDES!COMP_CLASS!COMP_PART_NUMBER!COMP_HEIGHT!COMP_DEVICE_LABEL!COMP_INSERTION_CODE!SYM_TYPE!
 * SYM_NAME!SYM_MIRROR!SYM_ROTATE!SYM_X!SYM_Y!COMP_VALUE!COMP_TOL!COMP_VOLTAGE!
 */
size_t FABMASTER::processFootprints( size_t aRow )
{
    size_t rownum = aRow + 2;

    if( rownum >= rows.size() )
        return -1;

    const single_row& header = rows[aRow];
    double scale_factor = processScaleFactor( aRow + 1 );

    if( scale_factor <= 0.0 )
        return -1;

    int refdes_col = getColFromName( aRow, "REFDES" );
    int compclass_col = getColFromName( aRow, "COMPCLASS" );
    int comppartnum_col = getColFromName( aRow, "COMPPARTNUMBER" );
    int compheight_col = getColFromName( aRow, "COMPHEIGHT" );
    int compdevlabelcol = getColFromName( aRow, "COMPDEVICELABEL" );
    int compinscode_col = getColFromName( aRow, "COMPINSERTIONCODE" );
    int symtype_col = getColFromName( aRow, "SYMTYPE" );
    int symname_col = getColFromName( aRow, "SYMNAME" );
    int symmirror_col = getColFromName( aRow, "SYMMIRROR" );
    int symrotate_col = getColFromName( aRow, "SYMROTATE" );
    int symx_col = getColFromName( aRow, "SYMX" );
    int symy_col = getColFromName( aRow, "SYMY" );
    int compvalue_col = getColFromName( aRow, "COMPVALUE" );
    int comptol_col = getColFromName( aRow, "COMPTOL" );
    int compvolt_col = getColFromName( aRow, "COMPVOLTAGE" );

    if( refdes_col < 0 || compclass_col < 0 || comppartnum_col < 0 || compheight_col < 0
            || compdevlabelcol < 0 || compinscode_col < 0 || symtype_col < 0 || symname_col < 0
            || symmirror_col < 0 || symrotate_col < 0 || symx_col < 0 || symy_col < 0
            || compvalue_col < 0 || comptol_col < 0 || compvolt_col < 0 )
        return -1;

    for( ; rownum < rows.size() && rows[rownum].size() > 0 && rows[rownum][0] == "S"; ++rownum )
    {
        const single_row& row = rows[rownum];

        if( row.size() != header.size() )
        {
            wxLogError( _( "Invalid row size in row %zu. Expecting %zu elements but found %zu." ),
                        rownum,
                        header.size(),
                        row.size() );
            continue;
        }

        auto cmp = std::make_unique<COMPONENT>();

        cmp->refdes = row[refdes_col];
        cmp->cclass = parseCompClass( row[compclass_col] );
        cmp->pn = row[comppartnum_col];
        cmp->height = row[compheight_col];
        cmp->dev_label = row[compdevlabelcol];
        cmp->insert_code = row[compinscode_col];
        cmp->type = parseSymType( row[symtype_col] );
        cmp->name = row[symname_col];
        cmp->mirror = ( row[symmirror_col] == "YES" );
        cmp->rotate = readDouble( row[symrotate_col] );
        cmp->x = KiROUND( readDouble( row[symx_col] ) * scale_factor );
        cmp->y = -KiROUND( readDouble( row[symy_col] ) * scale_factor );
        cmp->value = row[compvalue_col];
        cmp->tol = row[comptol_col];
        cmp->voltage = row[compvolt_col];

        auto vec = components.find( cmp->refdes );

        if( vec == components.end() )
        {
            auto retval = components.insert( std::make_pair( cmp->refdes, std::vector<std::unique_ptr<COMPONENT>>{} ) );

            vec = retval.first;
        }

        vec->second.push_back( std::move( cmp ) );
    }

    return rownum - aRow;
}


/**
 * A!SYM_NAME!SYM_MIRROR!PIN_NAME!PIN_NUMBER!PIN_X!PIN_Y!PAD_STACK_NAME!REFDES!PIN_ROTATION!TEST_POINT!
 */
size_t FABMASTER::processPins( size_t aRow )
{
    size_t rownum = aRow + 2;

    if( rownum >= rows.size() )
        return -1;

    const single_row& header = rows[aRow];
    double scale_factor = processScaleFactor( aRow + 1 );

    if( scale_factor <= 0.0 )
        return -1;

    int symname_col = getColFromName( aRow, "SYMNAME" );
    int symmirror_col = getColFromName( aRow, "SYMMIRROR" );
    int pinname_col = getColFromName( aRow, "PINNAME" );
    int pinnum_col = getColFromName( aRow, "PINNUMBER" );
    int pinx_col = getColFromName( aRow, "PINX" );
    int piny_col = getColFromName( aRow, "PINY" );
    int padstack_col = getColFromName( aRow, "PADSTACKNAME" );
    int refdes_col = getColFromName( aRow, "REFDES" );
    int pinrot_col = getColFromName( aRow, "PINROTATION" );
    int testpoint_col = getColFromName( aRow, "TESTPOINT" );

    if( symname_col < 0 ||symmirror_col < 0 || pinname_col < 0 || pinnum_col < 0 || pinx_col < 0
            || piny_col < 0 || padstack_col < 0 || refdes_col < 0 || pinrot_col < 0
            || testpoint_col < 0 )
        return -1;

    for( ; rownum < rows.size() && rows[rownum].size() > 0 && rows[rownum][0] == "S"; ++rownum )
    {
        const single_row& row = rows[rownum];

        if( row.size() != header.size() )
        {
            wxLogError( _( "Invalid row size in row %zu. Expecting %zu elements but found %zu." ),
                        rownum,
                        header.size(),
                        row.size() );
            continue;
        }

        auto pin = std::make_unique<PIN>();

        pin->name = row[symname_col];
        pin->mirror = ( row[symmirror_col] == "YES" );
        pin->pin_name = row[pinname_col];
        pin->pin_number = row[pinnum_col];
        pin->pin_x = KiROUND( readDouble( row[pinx_col] ) * scale_factor );
        pin->pin_y = -KiROUND( readDouble( row[piny_col] ) * scale_factor );
        pin->padstack = row[padstack_col];
        pin->refdes = row[refdes_col];
        pin->rotation = readDouble( row[pinrot_col] );

        auto map_it = pins.find( pin->refdes );

        if( map_it == pins.end() )
        {
            auto retval = pins.insert( std::make_pair( pin->refdes, std::set<std::unique_ptr<PIN>, PIN::BY_NUM>{} ) );
            map_it = retval.first;
        }

        map_it->second.insert( std::move( pin ) );
    }

    return rownum - aRow;
}


/**
 * A!NET_NAME!REFDES!PIN_NUMBER!PIN_NAME!PIN_GROUND!PIN_POWER!
 */
size_t FABMASTER::processNets( size_t aRow )
{
    size_t rownum = aRow + 2;

    if( rownum >= rows.size() )
        return -1;

    const single_row& header = rows[aRow];
    double scale_factor = processScaleFactor( aRow + 1 );

    if( scale_factor <= 0.0 )
        return -1;

    int netname_col = getColFromName( aRow, "NETNAME" );
    int refdes_col = getColFromName( aRow, "REFDES" );
    int pinnum_col = getColFromName( aRow, "PINNUMBER" );
    int pinname_col = getColFromName( aRow, "PINNAME" );
    int pingnd_col = getColFromName( aRow, "PINGROUND" );
    int pinpwr_col = getColFromName( aRow, "PINPOWER" );

    if( netname_col < 0 || refdes_col < 0 || pinnum_col < 0 || pinname_col < 0 || pingnd_col < 0
            || pinpwr_col < 0 )
        return -1;

    for( ; rownum < rows.size() && rows[rownum].size() > 0 && rows[rownum][0] == "S"; ++rownum )
    {
        const single_row& row = rows[rownum];

        if( row.size() != header.size() )
        {
            wxLogError( _( "Invalid row size in row %zu. Expecting %zu elements but found %zu." ),
                        rownum,
                        header.size(),
                        row.size() );
            continue;
        }

        NETNAME new_net;
        new_net.name = row[netname_col];
        new_net.refdes = row[refdes_col];
        new_net.pin_num = row[pinnum_col];
        new_net.pin_name = row[pinname_col];
        new_net.pin_gnd = ( row[pingnd_col] == "YES" );
        new_net.pin_pwr = ( row[pinpwr_col] == "YES" );

        pin_nets.emplace( std::make_pair( new_net.refdes, new_net.pin_num ), new_net );
        netnames.insert( row[netname_col] );
    }

    return rownum - aRow;
}


bool FABMASTER::Process()
{

    for( size_t i = 0; i < rows.size(); )
    {
        auto type = detectType( i );

        switch( type )
        {
        case EXTRACT_PADSTACKS:
        {
            /// We extract the basic layers from the padstacks first as this is the only place
            /// the stackup is kept in the basic fabmaster export
            processPadStackLayers( i );
            assignLayers();
            int retval = processPadStacks( i );

            i += std::max( retval, 1 );
            break;
        }

        case EXTRACT_FULL_LAYERS:
        {
            int retval = processLayers( i );

            i += std::max( retval, 1 );
            break;
        }

        case EXTRACT_BASIC_LAYERS:
        {
            int retval = processSimpleLayers( i );

            i += std::max( retval, 1 );
            break;
        }

        case EXTRACT_VIAS:
        {
            int retval = processVias( i );

            i += std::max( retval, 1 );
            break;
        }

        case EXTRACT_TRACES:
        {
            int retval = processTraces( i );

            i += std::max( retval, 1 );
            break;
        }

        case EXTRACT_REFDES:
        {
            int retval = processFootprints( i );

            i += std::max( retval, 1 );
            break;
        }

        case EXTRACT_NETS:
        {
            int retval = processNets( i );

            i += std::max( retval, 1 );
            break;
        }

        case EXTRACT_GRAPHICS:
        {
            int retval = processGeometry( i );

            i += std::max( retval, 1 );
            break;
        }

        case EXTRACT_PINS:
        {
            int retval = processPins( i );

            i += std::max( retval, 1 );
            break;
        }

        case EXTRACT_PAD_SHAPES:
        {
            int retval = processCustomPads( i );

            i += std::max( retval, 1 );
            break;
        }

        default:
            ++i;
            break;
        }

    }

    return true;
}


bool FABMASTER::loadZones( BOARD* aBoard )
{
    for( auto& zone : zones )
    {
        checkpoint();

        if( IsCopperLayer( getLayer( zone->layer ) ) || zone->layer == "ALL" )
        {
            loadZone( aBoard, zone );
        }
        else
        {
            if( zone->layer == "OUTLINE" || zone->layer == "DESIGN_OUTLINE" )
            {
                loadOutline( aBoard, zone );
            }
            else
            {
                loadPolygon( aBoard, zone );
            }
        }
    }

    /**
     * Zones in FABMASTER come in two varieties:
     * - Outlines with no net code attached
     * - Filled areas with net code attached
     *
     * In pcbnew, we want the outline with net code attached.  To determine which
     * outline should have which netcode, we look for overlapping areas.  Each unnetted zone
     * outline will be assigned the netcode that with the most hits on the edge of their
     * outline.
     */
    std::set<ZONE*> zones_to_delete;

    for( auto zone : aBoard->Zones() )
    {
        /// Remove the filled areas in favor of the outlines
        if( zone->GetNetCode() > 0 )
        {
            zones_to_delete.insert( zone );
        }
    }

    for( auto zone1 : aBoard->Zones() )
    {
        /// Zone1 will be the destination zone for the new net
        if( zone1->GetNetCode() > 0 )
            continue;

        SHAPE_LINE_CHAIN& outline1 = zone1->Outline()->Outline( 0 );
        std::vector<size_t> overlaps( aBoard->GetNetInfo().GetNetCount() + 1, 0 );
        std::vector<std::vector<ZONE*>> possible_deletions( overlaps.size() );

        for( auto zone2 : aBoard->Zones() )
        {
            if( zone2->GetNetCode() <= 0 )
                continue;

            SHAPE_LINE_CHAIN& outline2 = zone2->Outline()->Outline( 0 );

            if( zone1->GetLayer() != zone2->GetLayer() )
                continue;

            if( !outline1.BBox().Intersects( outline2.BBox() ) )
                continue;

            for( auto& pt1 : outline1.CPoints() )
            {
                /// We're looking for the netcode with the most overlaps to the un-netted zone
                if( outline2.PointOnEdge( pt1, 1 ) )
                    overlaps[ zone2->GetNetCode() ]++;
            }

            for( auto& pt2 : outline2.CPoints() )
            {
                /// The overlap between outline1 and outline2 isn't perfect, so look for overlaps
                /// in both directions
                if( outline1.PointOnEdge( pt2,  1 ) )
                    overlaps[ zone2->GetNetCode() ]++;
            }
        }

        size_t max_net = 0;
        size_t max_net_id = 0;

        for( size_t el = 1; el < overlaps.size(); ++el )
        {
            if( overlaps[el] > max_net )
            {
                max_net = overlaps[el];
                max_net_id = el;
            }
        }

        if( max_net > 0 )
            zone1->SetNetCode( max_net_id );
    }

    for( auto zone : zones_to_delete )
    {
        aBoard->Remove( zone );
        delete zone;
    }

    return true;
}


bool FABMASTER::loadFootprints( BOARD* aBoard )
{
    const NETNAMES_MAP& netinfo = aBoard->GetNetInfo().NetsByName();
    const auto& ds = aBoard->GetDesignSettings();

    for( auto& mod : components )
    {
        checkpoint();

        bool has_multiple = mod.second.size() > 1;

        for( int i = 0; i < mod.second.size(); ++i )
        {
            auto& src = mod.second[i];

            FOOTPRINT* fp = new FOOTPRINT( aBoard );

            wxString mod_ref = src->name;
            wxString lib_ref = m_filename.GetName();

            if( has_multiple )
                mod_ref.Append( wxString::Format( "_%d", i ) );

            ReplaceIllegalFileNameChars( lib_ref, '_' );
            ReplaceIllegalFileNameChars( mod_ref, '_' );

            wxString key = !lib_ref.empty() ? lib_ref + ":" + mod_ref : mod_ref;

            LIB_ID fpID;
            fpID.Parse( key, true );
            fp->SetFPID( fpID );

            fp->SetPosition( wxPoint( src->x, src->y ) );
            fp->SetOrientationDegrees( -src->rotate );

            // KiCad netlisting requires parts to have non-digit + digit annotation.
            // If the reference begins with a number, we prepend 'UNK' (unknown) for the source designator
            wxString reference = src->refdes;

            if( !std::isalpha( src->refdes[0] ) )
                reference.Prepend( "UNK" );

            fp->SetReference( reference );

            fp->SetValue( src->value );
            fp->Value().SetLayer( F_Fab );
            fp->Value().SetVisible( false );

            for( auto& ref : refdes )
            {
                const GRAPHIC_TEXT *lsrc =
                        static_cast<const GRAPHIC_TEXT*>( ( *( ref->segment.begin() ) ).get() );

                if( lsrc->text == src->refdes )
                {
                    FP_TEXT* txt = nullptr;
                    PCB_LAYER_ID layer = getLayer( ref->layer );

                    if( !IsPcbLayer( layer ) )
                    {
                        printf("The layer %s is not mapped?\n", ref->layer.c_str() );
                        continue;
                    }

                    if( layer == F_SilkS || layer == B_SilkS )
                        txt = &( fp->Reference() );
                    else
                        txt = new FP_TEXT( fp );

                    if( src->mirror )
                    {
                        txt->SetLayer( FlipLayer( layer ) );
                        txt->SetTextPos( wxPoint( lsrc->start_x, 2 * src->y - ( lsrc->start_y - lsrc->height / 2 ) ) );
                    }
                    else
                    {
                        txt->SetLayer( layer );
                        txt->SetTextPos( wxPoint( lsrc->start_x, lsrc->start_y - lsrc->height / 2 ) );
                    }

                    txt->SetText( lsrc->text );
                    txt->SetItalic( lsrc->ital );
                    txt->SetTextThickness( lsrc->thickness );
                    txt->SetTextHeight( lsrc->height );
                    txt->SetTextWidth( lsrc->width );
                    txt->SetHorizJustify( lsrc->orient );
                    txt->SetLocalCoord();

                    if( txt != &fp->Reference() )
                        fp->Add( txt, ADD_MODE::APPEND );
                }
            }

            /// Always set the module to the top and flip later if needed
            /// When flipping later, we get the full coordinate transform for free
            fp->SetLayer( F_Cu );

            auto gr_it = comp_graphics.find( src->refdes );

            if( gr_it == comp_graphics.end() )
            {
                continue;
                //TODO: Error
            }

            for( auto& gr_ref : gr_it->second )
            {
                auto& graphic = gr_ref.second;

                for( auto& seg : *graphic.elements )
                {
                    PCB_LAYER_ID layer = Dwgs_User;

                    if( IsPcbLayer( getLayer( seg->layer ) ) )
                        layer = getLayer( seg->layer );

                    switch( seg->shape )
                    {

                    case GR_SHAPE_LINE:
                    {
                        const GRAPHIC_LINE* lsrc = static_cast<const GRAPHIC_LINE*>( seg.get() );

                        FP_SHAPE* line = new FP_SHAPE( fp, SHAPE_T::SEGMENT );

                        if( src->mirror )
                        {
                            line->SetLayer( FlipLayer( layer ) );
                            line->SetStart( wxPoint( lsrc->start_x, 2 * src->y - lsrc->start_y ) );
                            line->SetEnd( wxPoint( lsrc->end_x, 2 * src->y - lsrc->end_y ) );
                        }
                        else
                        {
                            line->SetLayer( layer );
                            line->SetStart( wxPoint( lsrc->start_x, lsrc->start_y ) );
                            line->SetEnd( wxPoint( lsrc->end_x, lsrc->end_y ) );
                        }

                        line->SetWidth( lsrc->width );
                        line->SetLocalCoord();

                        if( lsrc->width == 0 )
                            line->SetWidth( ds.GetLineThickness( line->GetLayer() ) );

                        fp->Add( line, ADD_MODE::APPEND );
                        break;
                    }
                    case GR_SHAPE_ARC:
                    {
                        const GRAPHIC_ARC* lsrc = static_cast<const GRAPHIC_ARC*>( seg.get() );

                        FP_SHAPE* arc = new FP_SHAPE( fp, SHAPE_T::ARC );

                        arc->SetLayer( layer );
                        arc->SetArcGeometry( (wxPoint) lsrc->result.GetP0(),
                                             (wxPoint) lsrc->result.GetArcMid(),
                                             (wxPoint) lsrc->result.GetP1() );
                        arc->SetWidth( lsrc->width );
                        arc->SetLocalCoord();

                        if( lsrc->width == 0 )
                            arc->SetWidth( ds.GetLineThickness( arc->GetLayer() ) );

                        if( src->mirror )
                            arc->Flip( arc->GetCenter(), false );

                        fp->Add( arc, ADD_MODE::APPEND );
                        break;
                    }
                    case GR_SHAPE_RECTANGLE:
                    {
                        const GRAPHIC_RECTANGLE *lsrc =
                                static_cast<const GRAPHIC_RECTANGLE*>( seg.get() );

                        FP_SHAPE* rect = new FP_SHAPE( fp, SHAPE_T::RECT );

                        if( src->mirror )
                        {
                            rect->SetLayer( FlipLayer( layer ) );
                            rect->SetStart( wxPoint( lsrc->start_x, 2 * src->y - lsrc->start_y ) );
                            rect->SetEnd( wxPoint( lsrc->end_x, 2 * src->y - lsrc->end_y ) );
                        }
                        else
                        {
                            rect->SetLayer( layer );
                            rect->SetStart( wxPoint( lsrc->start_x, lsrc->start_y ) );
                            rect->SetEnd( wxPoint( lsrc->end_x, lsrc->end_y ) );
                        }

                        rect->SetWidth( ds.GetLineThickness( rect->GetLayer() ) );
                        rect->SetLocalCoord();

                        fp->Add( rect, ADD_MODE::APPEND );
                        break;
                    }
                    case GR_SHAPE_TEXT:
                    {
                        const GRAPHIC_TEXT *lsrc =
                                static_cast<const GRAPHIC_TEXT*>( seg.get() );

                        FP_TEXT* txt = new FP_TEXT( fp );

                        if( src->mirror )
                        {
                            txt->SetLayer( FlipLayer( layer ) );
                            txt->SetTextPos( wxPoint( lsrc->start_x, 2 * src->y - ( lsrc->start_y - lsrc->height / 2 ) ) );
                        }
                        else
                        {
                            txt->SetLayer( layer );
                            txt->SetTextPos( wxPoint( lsrc->start_x, lsrc->start_y - lsrc->height / 2 ) );
                        }

                        txt->SetText( lsrc->text );
                        txt->SetItalic( lsrc->ital );
                        txt->SetTextThickness( lsrc->thickness );
                        txt->SetTextHeight( lsrc->height );
                        txt->SetTextWidth( lsrc->width );
                        txt->SetHorizJustify( lsrc->orient );
                        txt->SetLocalCoord();

                        // FABMASTER doesn't have visibility flags but layers that are not silk should be hidden
                        // by default to prevent clutter.
                        if( txt->GetLayer() != F_SilkS && txt->GetLayer() != B_SilkS )
                            txt->SetVisible( false );

                        fp->Add( txt, ADD_MODE::APPEND );
                        break;
                    }
                    default:
                        continue;
                    }
                }
            }

            auto pin_it = pins.find( src->refdes );

            if( pin_it != pins.end() )
            {
                for( auto& pin : pin_it->second )
                {
                    auto pin_net_it = pin_nets.find( std::make_pair( pin->refdes, pin->pin_number ) );
                    auto padstack = pads.find( pin->padstack );
                    std::string netname = "";

                    if( pin_net_it != pin_nets.end() )
                        netname = pin_net_it->second.name;

                    auto net_it = netinfo.find( netname );

                    PAD* newpad = new PAD( fp );

                    if( net_it != netinfo.end() )
                        newpad->SetNet( net_it->second );
                    else
                        newpad->SetNetCode( 0 );

                    newpad->SetX( pin->pin_x );

                    if( src->mirror )
                        newpad->SetY( 2 * src->y - pin->pin_y );
                    else
                        newpad->SetY( pin->pin_y );

                    newpad->SetNumber( pin->pin_number );

                    if( padstack == pads.end() )
                    {
                        ///TODO:Warning
                        delete newpad;
                        continue;
                    }
                    else
                    {
                        auto& pad = padstack->second;

                        newpad->SetShape( pad.shape );

                        if( pad.shape == PAD_SHAPE::CUSTOM )
                        {
                            // Choose the smaller dimension to ensure the base pad
                            // is fully hidden by the custom pad
                            int pad_size = std::min( pad.width, pad.height );

                            newpad->SetSize( wxSize( pad_size / 2, pad_size / 2 ) );

                            std::string custom_name = pad.custom_name + "_" + pin->refdes + "_" + pin->pin_number;
                            auto custom_it = pad_shapes.find( custom_name );

                            if( custom_it != pad_shapes.end() )
                            {

                                SHAPE_POLY_SET poly_outline;
                                int last_subseq = 0;
                                int hole_idx = -1;

                                poly_outline.NewOutline();

                                // Custom pad shapes have a group of elements
                                // that are a list of graphical polygons
                                for( const auto& el : (*custom_it).second.elements )
                                {
                                    // For now, we are only processing the custom pad for the top layer
                                    // TODO: Use full padstacks when implementing in KiCad
                                    PCB_LAYER_ID primary_layer = src->mirror ? B_Cu : F_Cu;

                                    if( getLayer( ( *( el.second.begin() ) )->layer ) != primary_layer )
                                        continue;

                                    for( const auto& seg : el.second )
                                    {
                                        if( seg->subseq > 0 || seg->subseq != last_subseq )
                                        {
                                            poly_outline.Polygon(0).back().SetClosed( true );
                                            hole_idx = poly_outline.AddHole( SHAPE_LINE_CHAIN{} );
                                        }

                                        if( seg->shape == GR_SHAPE_LINE )
                                        {
                                            const GRAPHIC_LINE* src = static_cast<const GRAPHIC_LINE*>( seg.get() );

                                            if( poly_outline.VertexCount( 0, hole_idx ) == 0 )
                                                poly_outline.Append( src->start_x, src->start_y, 0, hole_idx );

                                            poly_outline.Append( src->end_x, src->end_y, 0, hole_idx );
                                        }
                                        else if( seg->shape == GR_SHAPE_ARC )
                                        {
                                            const GRAPHIC_ARC* src = static_cast<const GRAPHIC_ARC*>( seg.get() );
                                            SHAPE_LINE_CHAIN&  chain = poly_outline.Hole( 0, hole_idx );

                                            chain.Append( src->result );
                                        }
                                    }
                                }

                                if( poly_outline.OutlineCount() < 1
                                        || poly_outline.Outline( 0 ).PointCount() < 3 )
                                {
                                    wxLogError( _( "Invalid custom pad '%s'. Replacing with "
                                                   "circular pad." ),
                                                custom_name.c_str() );
                                    newpad->SetShape( PAD_SHAPE::CIRCLE );
                                }
                                else
                                {
                                    poly_outline.Fracture( SHAPE_POLY_SET::POLYGON_MODE::PM_FAST );

                                    poly_outline.Move( -newpad->GetPosition() );

                                    if( src->mirror )
                                    {
                                        poly_outline.Mirror( false, true, VECTOR2I( 0, ( pin->pin_y - src->y ) ) );
                                        poly_outline.Rotate( ( -src->rotate + pin->rotation ) * M_PI / 180.0 );
                                    }
                                    else
                                    {
                                        poly_outline.Rotate( ( src->rotate - pin->rotation ) * M_PI / 180.0 );
                                    }

                                    newpad->AddPrimitivePoly( poly_outline, 0, true );
                                }

                                SHAPE_POLY_SET mergedPolygon;
                                newpad->MergePrimitivesAsPolygon( &mergedPolygon );

                                if( mergedPolygon.OutlineCount() > 1 )
                                {
                                    wxLogError( _( "Invalid custom pad '%s'. Replacing with "
                                                   "circular pad." ),
                                                custom_name.c_str() );
                                    newpad->SetShape( PAD_SHAPE::CIRCLE );
                                }
                            }
                            else
                            {
                                wxLogError( _( "Could not find custom pad '%s'." ),
                                            custom_name.c_str() );
                            }
                        }
                        else
                            newpad->SetSize( wxSize( pad.width, pad.height ) );

                        if( pad.drill )
                        {
                            if( pad.plated )
                            {
                                newpad->SetAttribute( PAD_ATTRIB::PTH );
                                newpad->SetLayerSet( PAD::PTHMask() );
                            }
                            else
                            {
                                newpad->SetAttribute( PAD_ATTRIB::NPTH );
                                newpad->SetLayerSet( PAD::UnplatedHoleMask() );
                            }

                            if( pad.drill_size_x == pad.drill_size_y )
                                newpad->SetDrillShape( PAD_DRILL_SHAPE_CIRCLE );
                            else
                                newpad->SetDrillShape( PAD_DRILL_SHAPE_OBLONG );

                            newpad->SetDrillSize( wxSize( pad.drill_size_x, pad.drill_size_y ) );
                        }
                        else
                        {
                            newpad->SetAttribute( PAD_ATTRIB::SMD );

                            if( pad.top )
                                newpad->SetLayerSet( PAD::SMDMask() );
                            else if( pad.bottom )
                                newpad->SetLayerSet( FlipLayerMask( PAD::SMDMask() ) );
                        }
                    }

                    newpad->SetLocalCoord();

                    if( src->mirror )
                        newpad->SetOrientation( ( -src->rotate + pin->rotation ) * 10.0 );
                    else
                        newpad->SetOrientation( ( src->rotate - pin->rotation ) * 10.0 );

                    fp->Add( newpad, ADD_MODE::APPEND );
                }
            }

            if( src->mirror )
            {
                fp->SetOrientationDegrees( 180.0 - src->rotate );
                fp->Flip( fp->GetPosition(), true );
            }

            aBoard->Add( fp, ADD_MODE::APPEND );
        }
    }

    return true;
}


bool FABMASTER::loadLayers( BOARD* aBoard )
{
    LSET layer_set;

    /// The basic layers that get enabled for normal boards
    layer_set |= LSET::AllTechMask() | LSET::UserMask();

    for( auto& layer : layers )
    {
        checkpoint();

        if( layer.second.layerid >= PCBNEW_LAYER_ID_START )
            layer_set.set( layer.second.layerid );
    }

    aBoard->SetEnabledLayers( layer_set );

    for( auto& layer : layers )
    {
        if( layer.second.conductive )
        {
            aBoard->SetLayerName( static_cast<PCB_LAYER_ID>( layer.second.layerid ),
                    layer.second.name );
        }
    }

    return true;
}


bool FABMASTER::loadVias( BOARD* aBoard )
{
    const NETNAMES_MAP& netinfo = aBoard->GetNetInfo().NetsByName();
    const auto& ds = aBoard->GetDesignSettings();

    for( auto& via : vias )
    {
        checkpoint();

        auto net_it = netinfo.find( via->net );
        auto padstack = pads.find( via->padstack );

        PCB_VIA* new_via = new PCB_VIA( aBoard );

        new_via->SetPosition( wxPoint( via->x, via->y ) );

        if( net_it != netinfo.end() )
            new_via->SetNet( net_it->second );

        if( padstack == pads.end() )
        {
            new_via->SetDrillDefault();

            if( !ds.m_ViasDimensionsList.empty() )
            {
                new_via->SetWidth( ds.m_ViasDimensionsList[0].m_Diameter );
                new_via->SetDrill( ds.m_ViasDimensionsList[0].m_Drill );
            }
            else
            {
                new_via->SetDrillDefault();
                new_via->SetWidth( ds.m_ViasMinSize );
            }
        }
        else
        {
            new_via->SetDrill( padstack->second.drill_size_x );
            new_via->SetWidth( padstack->second.width );
        }

        aBoard->Add( new_via, ADD_MODE::APPEND );
    }

    return true;
}


bool FABMASTER::loadNets( BOARD* aBoard )
{
    for( auto& net : netnames )
    {
        checkpoint();

        NETINFO_ITEM *newnet = new NETINFO_ITEM( aBoard, net );
        aBoard->Add( newnet, ADD_MODE::APPEND );
    }

    return true;
}


bool FABMASTER::loadEtch( BOARD* aBoard, const std::unique_ptr<FABMASTER::TRACE>& aLine)
{
    const NETNAMES_MAP& netinfo = aBoard->GetNetInfo().NetsByName();
    auto net_it = netinfo.find( aLine->netname );

    int  last_subseq = 0;
    ZONE* new_zone = nullptr;

    for( const auto& seg : aLine->segment )
    {
        PCB_LAYER_ID layer = getLayer( seg->layer );

        if( IsCopperLayer( layer ) )
        {
            if( seg->shape == GR_SHAPE_LINE )
            {
                const GRAPHIC_LINE* src = static_cast<const GRAPHIC_LINE*>( seg.get() );

                PCB_TRACK* trk = new PCB_TRACK( aBoard );

                trk->SetLayer( layer );
                trk->SetStart( wxPoint( src->start_x, src->start_y ) );
                trk->SetEnd( wxPoint( src->end_x, src->end_y ) );
                trk->SetWidth( src->width );

                if( net_it != netinfo.end() )
                    trk->SetNet( net_it->second );

                aBoard->Add( trk, ADD_MODE::APPEND );
            }
            else if( seg->shape == GR_SHAPE_ARC )
            {
                const GRAPHIC_ARC* src = static_cast<const GRAPHIC_ARC*>( seg.get() );

                PCB_ARC* trk = new PCB_ARC( aBoard, &src->result );
                trk->SetLayer( layer );
                trk->SetWidth( src->width );

                if( net_it != netinfo.end() )
                    trk->SetNet( net_it->second );

                aBoard->Add( trk, ADD_MODE::APPEND );
            }
        }
        else
        {
            wxLogError( _( "Expecting etch data to be on copper layer. Row found on layer '%s'" ),
                        seg->layer.c_str() );
        }
    }

    return true;
}


SHAPE_POLY_SET FABMASTER::loadShapePolySet( const graphic_element& aElement )
{
    SHAPE_POLY_SET poly_outline;
    int last_subseq = 0;
    int hole_idx = -1;

    poly_outline.NewOutline();

    for( const auto& seg : aElement )
    {
        if( seg->subseq > 0 || seg->subseq != last_subseq )
            hole_idx = poly_outline.AddHole( SHAPE_LINE_CHAIN{} );

        if( seg->shape == GR_SHAPE_LINE )
        {
            const GRAPHIC_LINE* src = static_cast<const GRAPHIC_LINE*>( seg.get() );

            if( poly_outline.VertexCount( 0, hole_idx ) == 0 )
                poly_outline.Append( src->start_x, src->start_y, 0, hole_idx );

            poly_outline.Append( src->end_x, src->end_y, 0, hole_idx );
        }
        else if( seg->shape == GR_SHAPE_ARC )
        {
            const GRAPHIC_ARC* src = static_cast<const GRAPHIC_ARC*>( seg.get() );
            SHAPE_LINE_CHAIN&  chain = poly_outline.Hole( 0, hole_idx );

            chain.Append( src->result );
        }
    }

    poly_outline.Fracture( SHAPE_POLY_SET::POLYGON_MODE::PM_FAST );
    return poly_outline;
}


bool FABMASTER::loadPolygon( BOARD* aBoard, const std::unique_ptr<FABMASTER::TRACE>& aLine)
{
    if( aLine->segment.size() < 3 )
        return false;

    PCB_LAYER_ID layer = Cmts_User;

    auto new_layer = getLayer( aLine->layer );

    if( IsPcbLayer( new_layer ) )
        layer = new_layer;

    SHAPE_POLY_SET poly_outline = loadShapePolySet( aLine->segment );

    if( poly_outline.OutlineCount() < 1 || poly_outline.COutline( 0 ).PointCount() < 3 )
        return false;

    PCB_SHAPE* new_poly = new PCB_SHAPE( aBoard );

    new_poly->SetShape( SHAPE_T::POLY );
    new_poly->SetLayer( layer );

    // Polygons on the silk layer are filled but other layers are not/fill doesn't make sense
    if( layer == F_SilkS || layer == B_SilkS )
    {
        new_poly->SetFilled( true );
        new_poly->SetWidth( 0 );
    }
    else
    {
        new_poly->SetWidth( ( *( aLine->segment.begin() ) )->width );

        if( new_poly->GetWidth() == 0 )
            new_poly->SetWidth( aBoard->GetDesignSettings().GetLineThickness( layer ) );
    }

    new_poly->SetPolyShape( poly_outline );
    aBoard->Add( new_poly, ADD_MODE::APPEND );

    return true;

}


bool FABMASTER::loadZone( BOARD* aBoard, const std::unique_ptr<FABMASTER::TRACE>& aLine)
{
    if( aLine->segment.size() < 3 )
        return false;

    int last_subseq = 0;
    int hole_idx = -1;
    SHAPE_POLY_SET* zone_outline = nullptr;
    ZONE* zone = nullptr;

    const NETNAMES_MAP& netinfo = aBoard->GetNetInfo().NetsByName();
    auto net_it = netinfo.find( aLine->netname );
    PCB_LAYER_ID layer = Cmts_User;
    auto new_layer = getLayer( aLine->layer );

    if( IsPcbLayer( new_layer ) )
        layer = new_layer;

    zone = new ZONE( aBoard );
    zone_outline = new SHAPE_POLY_SET;

    if( net_it != netinfo.end() )
        zone->SetNet( net_it->second );

    if( aLine->layer == "ALL" )
        zone->SetLayerSet( aBoard->GetLayerSet() & LSET::AllCuMask() );
    else
        zone->SetLayer( layer );

    zone->SetIsRuleArea( false );
    zone->SetDoNotAllowTracks( false );
    zone->SetDoNotAllowVias( false );
    zone->SetDoNotAllowPads( false );
    zone->SetDoNotAllowFootprints( false );
    zone->SetDoNotAllowCopperPour( false );

    if( aLine->lclass == "ROUTE KEEPOUT")
    {
        zone->SetIsRuleArea( true );
        zone->SetDoNotAllowTracks( true );
    }
    else if( aLine->lclass == "VIA KEEPOUT")
    {
        zone->SetIsRuleArea( true );
        zone->SetDoNotAllowVias( true );
    }
    else
    {
        zone->SetPriority( 50 );
    }

    zone->SetLocalClearance( 0 );
    zone->SetPadConnection( ZONE_CONNECTION::FULL );

    zone_outline->NewOutline();


    for( const auto& seg : aLine->segment )
    {
        if( seg->subseq > 0 && seg->subseq != last_subseq )
        {
            /// Don't knock holes in the BOUNDARY systems.  These are the outer layers for zone fills.
            if( aLine->lclass == "BOUNDARY" )
                break;

            hole_idx = zone_outline->AddHole( SHAPE_LINE_CHAIN{} );
            last_subseq = seg->subseq;
            last_subseq = seg->subseq;
        }

        if( seg->shape == GR_SHAPE_LINE )
        {
            const GRAPHIC_LINE* src = static_cast<const GRAPHIC_LINE*>( seg.get() );

            if( zone_outline->VertexCount( 0, hole_idx ) == 0 )
                zone_outline->Append( src->start_x, src->start_y, 0, hole_idx );

            zone_outline->Append( src->end_x, src->end_y, 0, hole_idx );
        }
        else if( seg->shape == GR_SHAPE_ARC )
        {
            const GRAPHIC_ARC* src = static_cast<const GRAPHIC_ARC*>( seg.get() );
            zone_outline->Hole( 0, hole_idx ).Append( src->result );
        }
    }

    if( zone_outline->Outline( 0 ).PointCount() >= 3 )
    {
        zone->SetOutline( zone_outline );
        aBoard->Add( zone, ADD_MODE::APPEND );
    }
    else
    {
        delete( zone_outline );
        delete( zone );
    }

    return true;
}


bool FABMASTER::loadOutline( BOARD* aBoard, const std::unique_ptr<FABMASTER::TRACE>& aLine)
{
    PCB_LAYER_ID layer;

    if( aLine->lclass == "BOARD GEOMETRY" )
        layer = Edge_Cuts;
    else if( aLine->lclass == "DRAWING FORMAT" )
        layer = Dwgs_User;
    else
        layer = Cmts_User;

    for( auto& seg : aLine->segment )
    {
        switch( seg->shape )
        {

        case GR_SHAPE_LINE:
        {
            const GRAPHIC_LINE* src = static_cast<const GRAPHIC_LINE*>( seg.get() );

            PCB_SHAPE*     line = new PCB_SHAPE( aBoard, SHAPE_T::SEGMENT );
            line->SetLayer( layer );
            line->SetStart( wxPoint( src->start_x, src->start_y ) );
            line->SetEnd( wxPoint( src->end_x, src->end_y ) );
            line->SetWidth( src->width );

            if( line->GetWidth() == 0 )
                line->SetWidth( aBoard->GetDesignSettings().GetLineThickness( layer ) );

            aBoard->Add( line, ADD_MODE::APPEND );
            break;
        }
        case GR_SHAPE_ARC:
        {
            const GRAPHIC_ARC* src = static_cast<const GRAPHIC_ARC*>( seg.get() );

            PCB_SHAPE* arc = new PCB_SHAPE( aBoard, SHAPE_T::ARC );
            arc->SetLayer( layer );
            arc->SetArcGeometry( (wxPoint) src->result.GetP0(),
                                 (wxPoint) src->result.GetArcMid(),
                                 (wxPoint) src->result.GetP1() );
            arc->SetWidth( src->width );

            if( arc->GetWidth() == 0 )
                arc->SetWidth( aBoard->GetDesignSettings().GetLineThickness( layer ) );

            aBoard->Add( arc, ADD_MODE::APPEND );
            break;
        }
        case GR_SHAPE_RECTANGLE:
        {
            const GRAPHIC_RECTANGLE *src =
                    static_cast<const GRAPHIC_RECTANGLE*>( seg.get() );

            PCB_SHAPE* rect = new PCB_SHAPE( aBoard, SHAPE_T::RECT );
            rect->SetLayer( layer );
            rect->SetStart( wxPoint( src->start_x, src->start_y ) );
            rect->SetEnd( wxPoint( src->end_x, src->end_y ) );
            rect->SetWidth( aBoard->GetDesignSettings().GetLineThickness( layer ) );

            aBoard->Add( rect, ADD_MODE::APPEND );
            break;
        }
        case GR_SHAPE_TEXT:
        {
            const GRAPHIC_TEXT *src = static_cast<const GRAPHIC_TEXT*>( seg.get() );

            PCB_TEXT* txt = new PCB_TEXT( aBoard );
            txt->SetLayer( layer );
            txt->SetTextPos( wxPoint( src->start_x, src->start_y - src->height / 2 ) );
            txt->SetText( src->text );
            txt->SetItalic( src->ital );
            txt->SetTextThickness( src->thickness );
            txt->SetTextHeight( src->height );
            txt->SetTextWidth( src->width );
            txt->SetHorizJustify( src->orient );

            aBoard->Add( txt, ADD_MODE::APPEND );
            break;
        }
        default:
            return false;
        }
    }

    return true;
}


bool FABMASTER::loadGraphics( BOARD* aBoard )
{

    for( auto& geom : board_graphics )
    {
        checkpoint();

        PCB_LAYER_ID layer;

        // The pin numbers are not useful for us outside of the footprints
        if( geom.subclass == "PIN_NUMBER" )
            continue;

        layer = getLayer( geom.subclass );

        if( !IsPcbLayer( layer ) )
            layer = Cmts_User;

        if( !geom.elements->empty() )
        {
            /// Zero-width segments/arcs are polygon outlines
            if( ( *( geom.elements->begin() ) )->width == 0 )
            {
                SHAPE_POLY_SET poly_outline = loadShapePolySet( *( geom.elements ) );

                if( poly_outline.OutlineCount() < 1 || poly_outline.COutline( 0 ).PointCount() < 3 )
                    continue;

                PCB_SHAPE* new_poly = new PCB_SHAPE( aBoard, SHAPE_T::POLY );
                new_poly->SetLayer( layer );
                new_poly->SetPolyShape( poly_outline );
                new_poly->SetWidth( 0 );

                if( layer == F_SilkS || layer == B_SilkS )
                    new_poly->SetFilled( true );

                aBoard->Add( new_poly, ADD_MODE::APPEND );
            }
        }

        for( auto& seg : *geom.elements )
        {
            switch( seg->shape )
            {

            case GR_SHAPE_LINE:
            {
                const GRAPHIC_LINE* src = static_cast<const GRAPHIC_LINE*>( seg.get() );

                PCB_SHAPE*     line = new PCB_SHAPE( aBoard, SHAPE_T::SEGMENT );
                line->SetLayer( layer );
                line->SetStart( wxPoint( src->start_x, src->start_y ) );
                line->SetEnd( wxPoint( src->end_x, src->end_y ) );
                line->SetWidth( src->width );

                aBoard->Add( line, ADD_MODE::APPEND );
                break;
            }
            case GR_SHAPE_ARC:
            {
                const GRAPHIC_ARC* src = static_cast<const GRAPHIC_ARC*>( seg.get() );

                PCB_SHAPE* arc = new PCB_SHAPE( aBoard, SHAPE_T::ARC );
                arc->SetLayer( layer );
                arc->SetArcGeometry( (wxPoint) src->result.GetP0(),
                                     (wxPoint) src->result.GetArcMid(),
                                     (wxPoint) src->result.GetP1() );
                arc->SetWidth( src->width );

                aBoard->Add( arc, ADD_MODE::APPEND );
                break;
            }
            case GR_SHAPE_RECTANGLE:
            {
                const GRAPHIC_RECTANGLE *src =
                        static_cast<const GRAPHIC_RECTANGLE*>( seg.get() );

                PCB_SHAPE* rect = new PCB_SHAPE( aBoard, SHAPE_T::RECT );
                rect->SetLayer( layer );
                rect->SetStart( wxPoint( src->start_x, src->start_y ) );
                rect->SetEnd( wxPoint( src->end_x, src->end_y ) );
                rect->SetWidth( 0 );
                aBoard->Add( rect, ADD_MODE::APPEND );
                break;
            }
            case GR_SHAPE_TEXT:
            {
                const GRAPHIC_TEXT *src =
                        static_cast<const GRAPHIC_TEXT*>( seg.get() );

                PCB_TEXT* txt = new PCB_TEXT( aBoard );
                txt->SetLayer( layer );
                txt->SetTextPos( wxPoint( src->start_x, src->start_y - src->height / 2 ) );
                txt->SetText( src->text );
                txt->SetItalic( src->ital );
                txt->SetTextThickness( src->thickness );
                txt->SetTextHeight( src->height );
                txt->SetTextWidth( src->width );
                txt->SetHorizJustify( src->orient );
                aBoard->Add( txt, ADD_MODE::APPEND );
                break;
            }
            default:
                return false;
            }
        }
    }

    return true;

}


bool FABMASTER::orderZones( BOARD* aBoard )
{
    std::vector<ZONE*> zones = aBoard->Zones();

    std::sort( zones.begin(), zones.end(),
            [&]( const ZONE* a, const ZONE* b )
            {
                if( a->GetLayer() == b->GetLayer() )
                    return a->GetBoundingBox().GetArea() > b->GetBoundingBox().GetArea();

                return a->GetLayer() < b->GetLayer();
            } );

    PCB_LAYER_ID layer = UNDEFINED_LAYER;
    unsigned int priority = 0;

    for( ZONE* zone : zones )
    {
        /// Rule areas do not have priorities
        if( zone->GetIsRuleArea() )
            continue;

        if( zone->GetLayer() != layer )
        {
            layer = zone->GetLayer();
            priority = 0;
        }

        zone->SetPriority( priority );
        priority += 10;
    }

    return true;
}


bool FABMASTER::LoadBoard( BOARD* aBoard, PROGRESS_REPORTER* aProgressReporter )
{
    aBoard->SetFileName( m_filename.GetFullPath() );
    m_progressReporter = aProgressReporter;

    m_totalCount = netnames.size()
                    + layers.size()
                    + vias.size()
                    + components.size()
                    + zones.size()
                    + board_graphics.size()
                    + traces.size();
    m_doneCount = 0;

    loadNets( aBoard );
    loadLayers( aBoard );
    loadVias( aBoard );
    loadFootprints( aBoard );
    loadZones( aBoard );
    loadGraphics( aBoard );

    for( auto& track : traces )
    {
        checkpoint();

        if( track->lclass == "ETCH" )
            loadEtch( aBoard, track);
        else if( track->layer == "OUTLINE" )
            loadOutline( aBoard, track );
    }

    orderZones( aBoard );

    return true;
}