We were required to make the following changes to the GenCAD exporter after our contract manufacturer rejected the exported GenCAD file.

 * Don't make new shape for every reference designator. Instead, create
   shapes based on modules and assign to devices based on reference
   designators.
 * Don't allow pins without numbers to have duplicate pin numbers.
 * Correctly implement MIRRORX.
 * Correctly implement flip.

I've attached the only file that was modified. Additionally, I've attached a patch file.

Best Regards,
David


/*
 * This program source code file is part of KiCad, a free EDA CAD application.
 *
 * Copyright (C) 2012 Jean-Pierre Charras, [email protected]
 * Copyright (C) 2012 SoftPLC Corporation, Dick Hollenbeck <[email protected]>
 * Copyright (C) 2012 Wayne Stambaugh <[email protected]>
 * Copyright (C) 1992-2012 KiCad Developers, see AUTHORS.txt for contributors.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, you may find one here:
 * http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
 * or you may search the http://www.gnu.org website for the version 2 license,
 * or you may write to the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
 */

/**
 * @file export_gencad.cpp
 * @brief Export GenCAD 1.4 format.
 */

#include <fctsys.h>
#include <class_drawpanel.h>
#include <confirm.h>
#include <gestfich.h>
#include <appl_wxstruct.h>
#include <wxPcbStruct.h>
#include <trigo.h>
#include <build_version.h>
#include <macros.h>

#include <pcbnew.h>

#include <class_board.h>
#include <class_module.h>
#include <class_track.h>
#include <class_edge_mod.h>

#include <vector>
#include <map>

typedef std::vector<MODULE*> MODPTRVEC;
typedef std::vector<MODULE*>::iterator MODPTRVECITR;

typedef struct ModLib
{
        int                     InLib;
        MODPTRVEC       Modules;
} MODLIB;

typedef std::map<wxString, MODLIB> MODMAP;
typedef std::map<wxString, MODLIB>::iterator MODMAPITR;

static bool CreateHeaderInfoData( FILE* aFile, PCB_EDIT_FRAME* frame );
static void CreateArtworksSection( FILE* aFile );
static void CreateTracksInfoData( FILE* aFile, BOARD* aPcb );
static void CreateBoardSection( FILE* aFile, BOARD* aPcb );
static void CreateComponentsSection( FILE* aFile, BOARD* aPcb, MODMAP* 
ModuleMap, MODMAPITR ModMapItr, MODPTRVECITR ModuleItr );
static void CreateDevicesSection( FILE* aFile, BOARD* aPcb );
static void CreateRoutesSection( FILE* aFile, BOARD* aPcb );
static void CreateSignalsSection( FILE* aFile, BOARD* aPcb );
static void CreateShapesSection( FILE* aFile, BOARD* aPcb, PCB_EDIT_FRAME* 
aPcbFrame, MODMAP* ModuleMap, MODMAPITR ModMapItr, MODPTRVECITR ModuleItr );
static void CreatePadsShapesSection( FILE* aFile, BOARD* aPcb );
static void FootprintWriteShape( FILE* File, MODULE* module, wxString ShapeName 
);
static void FootprintAddMap( MODULE* module, PCB_EDIT_FRAME* aPcbFrame, MODMAP* 
ModuleMap, MODMAPITR ModMapItr, MODPTRVECITR ModuleItr );
static int ComparePadPosition( D_PAD* pad, D_PAD* OldPad );
static int ComparePadSize( D_PAD* pad, D_PAD* OldPad );

// layer name for Gencad export
static const wxString GenCADLayerName[32] =
{
    wxT( "BOTTOM" ),             wxT( "INNER1" ),          wxT( "INNER2" ),
    wxT( "INNER3" ),             wxT( "INNER4" ),          wxT( "INNER5" ),
    wxT( "INNER6" ),             wxT( "INNER7" ),          wxT( "INNER8" ),
    wxT( "INNER9" ),             wxT( "INNER10" ),         wxT( "INNER11" ),
    wxT( "INNER12" ),            wxT( "INNER13" ),         wxT( "INNER14" ),
    wxT( "TOP" ),                wxT( "LAYER17" ),         wxT( "LAYER18" ),
    wxT( "SOLDERPASTE_BOTTOM" ), wxT( "SOLDERPASTE_TOP" ),
    wxT( "SILKSCREEN_BOTTOM" ),  wxT( "SILKSCREEN_TOP" ),
    wxT( "SOLDERMASK_BOTTOM" ),  wxT( "SOLDERMASK_TOP" ),  wxT( "LAYER25" ),
    wxT( "LAYER26" ),            wxT( "LAYER27" ),         wxT( "LAYER28" ),
    wxT( "LAYER29" ),            wxT( "LAYER30" ),         wxT( "LAYER31" ),
    wxT( "LAYER32" )
};

// flipped layer name for Gencad export (to make CAM350 imports correct)
static const wxString GenCADLayerNameFlipped[32] =
{
    wxT( "TOP" ),             wxT( "INNER14" ),            wxT( "INNER13" ),
    wxT( "INNER12" ),         wxT( "INNER11" ),            wxT( "INNER10" ),
    wxT( "INNER9" ),          wxT( "INNER8" ),             wxT( "INNER7" ),
    wxT( "INNER6" ),          wxT( "INNER5" ),             wxT( "INNER4" ),
    wxT( "INNER3" ),          wxT( "INNER2" ),             wxT( "INNER1" ),
    wxT( "BOTTOM" ),          wxT( "LAYER17" ),            wxT( "LAYER18" ),
    wxT( "SOLDERPASTE_TOP" ), wxT( "SOLDERPASTE_BOTTOM" ),
    wxT( "SILKSCREEN_TOP" ),  wxT( "SILKSCREEN_BOTTOM" ),
    wxT( "SOLDERMASK_TOP" ),  wxT( "SOLDERMASK_BOTTOM" ),  wxT( "LAYER25" ),
    wxT( "LAYER26" ),         wxT( "LAYER27" ),            wxT( "LAYER28" ),
    wxT( "LAYER29" ),         wxT( "LAYER30" ),            wxT( "LAYER31" ),
    wxT( "LAYER32" )
};

// These are the export origin (the auxiliary axis)
static int GencadOffsetX, GencadOffsetY;

/* GerbTool chokes on units different than INCH so this is the conversion
 *  factor */
const static double SCALE_FACTOR = 10000.0 * IU_PER_DECIMILS;


/* Two helper functions to calculate coordinates of modules in gencad values
 * (GenCAD Y axis from bottom to top)
 */
static double MapXTo( int aX )
{
    return (aX - GencadOffsetX) / SCALE_FACTOR;
}


static double MapYTo( int aY )
{
    return (GencadOffsetY - aY) / SCALE_FACTOR;
}


/* Driver function: processing starts here */
void PCB_EDIT_FRAME::ExportToGenCAD( wxCommandEvent& aEvent )
{
    wxFileName fn = GetBoard()->GetFileName();
    wxString   msg, ext, wildcard;
    FILE*      file;

    ext = wxT( "cad" );
    wildcard = _( "GenCAD 1.4 board files (.cad)|*.cad" );
    fn.SetExt( ext );

        MODMAP*                 ModuleMap;
        MODMAPITR               ModMapItr;
        MODPTRVECITR    ModuleItr;
        
        ModuleMap = new MODMAP;
        
    wxFileDialog dlg( this, _( "Save GenCAD Board File" ), wxGetCwd(),
                      fn.GetFullName(), wildcard,
                      wxFD_SAVE | wxFD_OVERWRITE_PROMPT );

    if( dlg.ShowModal() == wxID_CANCEL )
        return;

    if( ( file = wxFopen( dlg.GetPath(), wxT( "wt" ) ) ) == NULL )
    {
        msg.Printf( _( "Unable to create <%s>" ), GetChars( dlg.GetPath() ) );
        DisplayError( this, msg ); return;
    }

    SetLocaleTo_C_standard(); // No pesky decimal separators in gencad

    // Update some board data, to ensure a reliable gencad export
    GetBoard()->ComputeBoundingBox();

    // Save the auxiliary origin for the rest of the module
    GencadOffsetX = GetAuxOrigin().x;
    GencadOffsetY = GetAuxOrigin().y;

    // No idea on *why* this should be needed... maybe to fix net names?
    Compile_Ratsnest( NULL, true );

    /* Temporary modification of footprints that are flipped (i.e. on bottom
     * layer) to convert them to non flipped footprints.
     *  This is necessary to easily export shapes to GenCAD,
     *  that are given as normal orientation (non flipped, rotation = 0))
     * these changes will be undone later
     */
    BOARD*  pcb = GetBoard();
    MODULE* module;

    for( module = pcb->m_Modules; module != NULL; module = module->Next() )
    {
        module->SetFlag( 0 );

        if( module->GetLayer() == LAYER_N_BACK )
        {
            module->Flip( module->GetPosition() );
            module->SetFlag( 1 );
        }
    }

    /* Gencad has some mandatory and some optional sections: some importer
     *  need the padstack section (which is optional) anyway. Also the
     *  order of the section *is* important */

    CreateHeaderInfoData( file, this );     // Gencad header
    CreateBoardSection( file, pcb );        // Board perimeter

    CreatePadsShapesSection( file, pcb );   // Pads and padstacks
    CreateArtworksSection( file );          // Empty but mandatory

    /* Gencad splits a component info in shape, component and device.
     *  We don't do any sharing (it would be difficult since each module is
     *  customizable after placement) */
    CreateShapesSection( file, pcb, this, ModuleMap, ModMapItr, ModuleItr );
    CreateComponentsSection( file, pcb, ModuleMap, ModMapItr, ModuleItr );
    CreateDevicesSection( file, pcb );

    // In a similar way the netlist is split in net, track and route
    CreateSignalsSection( file, pcb );
    CreateTracksInfoData( file, pcb );
    CreateRoutesSection( file, pcb );

    fclose( file );
    SetLocaleTo_Default();  // revert to the current locale

    // Undo the footprints modifications (flipped footprints)
    for( module = pcb->m_Modules; module != NULL; module = module->Next() )
    {
        if( module->GetFlag() )
        {
            module->Flip( module->GetPosition() );
            module->SetFlag( 0 );
        }
    }
}


// Comparator for sorting pads with qsort
static int PadListSortByShape( const void* aRefptr, const void* aObjptr )
{
    const D_PAD* padref = *(D_PAD**) aRefptr;
    const D_PAD* padcmp = *(D_PAD**) aObjptr;

    return D_PAD::Compare( padref, padcmp );
}


// Sort vias for uniqueness
static int ViaSort( const void* aRefptr, const void* aObjptr )
{
    TRACK* padref = *(TRACK**) aRefptr;
    TRACK* padcmp = *(TRACK**) aObjptr;

    if( padref->GetWidth() != padcmp->GetWidth() )
        return padref->GetWidth() - padcmp->GetWidth();

    if( padref->GetDrillValue() != padcmp->GetDrillValue() )
        return padref->GetDrillValue() - padcmp->GetDrillValue();

    if( padref->GetLayerMask() != padcmp->GetLayerMask() )
        return padref->GetLayerMask() - padcmp->GetLayerMask();

    return 0;
}


// The ARTWORKS section is empty but (officially) mandatory
static void CreateArtworksSection( FILE* aFile )
{
    /* The artworks section is empty */
    fputs( "$ARTWORKS\n", aFile );
    fputs( "$ENDARTWORKS\n\n", aFile );
}


// Emit PADS and PADSTACKS. They are sorted and emitted uniquely.
// Via name is synthesized from their attributes, pads are numbered
static void CreatePadsShapesSection( FILE* aFile, BOARD* aPcb )
{
    std::vector<D_PAD*> pads;
    std::vector<D_PAD*> padstacks;
    std::vector<TRACK*> vias;
    std::vector<TRACK*> viastacks;
    padstacks.resize( 1 ); // We count pads from 1

    // The master layermask (i.e. the enabled layers) for padstack generation
    LAYER_MSK master_layermask = aPcb->GetDesignSettings().GetEnabledLayers();

    fputs( "$PADS\n", aFile );

    // Enumerate and sort the pads
    if( aPcb->GetPadCount() > 0 )
    {
        pads = aPcb->GetPads();
        qsort( &pads[0], aPcb->GetPadCount(), sizeof( D_PAD* ),
               PadListSortByShape );
    }

    // The same for vias
    for( TRACK* track = aPcb->m_Track; track != NULL; track = track->Next() )
    {
        if( track->Type() == PCB_VIA_T )
        {
            vias.push_back( track );
        }
    }

    qsort( &vias[0], vias.size(), sizeof(TRACK*), ViaSort );

    // Emit vias pads
    TRACK* old_via = 0;
    for( unsigned i = 0; i < vias.size(); i++ )
    {
        TRACK* via = vias[i];
        if( old_via && 0 == ViaSort( &old_via, &via ) )
            continue;

        old_via = via;
        viastacks.push_back( via );
        fprintf( aFile, "PAD V%d.%d.%X ROUND %g\nCIRCLE 0 0 %g\n",
                via->GetWidth(), via->GetDrillValue(),
                via->GetLayerMask(),
                via->GetDrillValue() / SCALE_FACTOR,
                via->GetWidth() / (SCALE_FACTOR * 2) );
    }

    // Emit component pads
    D_PAD* old_pad = 0;
    int    pad_name_number = 0;
    for( unsigned i = 0; i<pads.size(); ++i )
    {
        D_PAD* pad = pads[i];

        pad->SetSubRatsnest( pad_name_number );

        if( old_pad && 0==D_PAD::Compare( old_pad, pad ) )
            continue;  // already created

        old_pad = pad;

        pad_name_number++;
        pad->SetSubRatsnest( pad_name_number );

        fprintf( aFile, "PAD P%d", pad->GetSubRatsnest() );

        padstacks.push_back( pad ); // Will have its own padstack later
        int dx = pad->GetSize().x / 2;
        int dy = pad->GetSize().y / 2;

        switch( pad->GetShape() )
        {
        default:
        case PAD_CIRCLE:
            fprintf( aFile, " ROUND %g\n",
                     pad->GetDrillSize().x / SCALE_FACTOR );
            /* Circle is center, radius */
            fprintf( aFile, "CIRCLE %g %g %g\n",
                    pad->GetOffset().x / SCALE_FACTOR,
                    -pad->GetOffset().y / SCALE_FACTOR,
                    pad->GetSize().x / (SCALE_FACTOR * 2) );
            break;

        case PAD_RECT:
            fprintf( aFile, " RECTANGULAR %g\n",
                     pad->GetDrillSize().x / SCALE_FACTOR );

            // Rectangle is begin, size *not* begin, end!
            fprintf( aFile, "RECTANGLE %g %g %g %g\n",
                    (-dx + pad->GetOffset().x ) / SCALE_FACTOR,
                    (-dy - pad->GetOffset().y ) / SCALE_FACTOR,
                    dx / (SCALE_FACTOR / 2), dy / (SCALE_FACTOR / 2) );
            break;

        case PAD_OVAL:     // Create outline by 2 lines and 2 arcs
        {
            // OrCAD Layout call them OVAL or OBLONG - GenCAD call them FINGERs
            fprintf( aFile, " FINGER %g\n",
                     pad->GetDrillSize().x / SCALE_FACTOR );
            int dr = dx - dy;

            if( dr >= 0 )       // Horizontal oval
            {
                int radius = dy;
                fprintf( aFile, "LINE %g %g %g %g\n",
                         (-dr + pad->GetOffset().x) / SCALE_FACTOR,
                         (-pad->GetOffset().y - radius) / SCALE_FACTOR,
                         (dr + pad->GetOffset().x ) / SCALE_FACTOR,
                         (-pad->GetOffset().y - radius) / SCALE_FACTOR );

                // GenCAD arcs are (start, end, center)
                fprintf( aFile, "ARC %g %g %g %g %g %g\n",
                         (dr + pad->GetOffset().x) / SCALE_FACTOR,
                         (-pad->GetOffset().y - radius) / SCALE_FACTOR,
                         (dr + pad->GetOffset().x) / SCALE_FACTOR,
                         (-pad->GetOffset().y + radius) / SCALE_FACTOR,
                         (dr + pad->GetOffset().x) / SCALE_FACTOR,
                         -pad->GetOffset().y / SCALE_FACTOR );

                fprintf( aFile, "LINE %g %g %g %g\n",
                         (dr + pad->GetOffset().x) / SCALE_FACTOR,
                         (-pad->GetOffset().y + radius) / SCALE_FACTOR,
                         (-dr + pad->GetOffset().x) / SCALE_FACTOR,
                         (-pad->GetOffset().y + radius) / SCALE_FACTOR );
                fprintf( aFile, "ARC %g %g %g %g %g %g\n",
                         (-dr + pad->GetOffset().x) / SCALE_FACTOR,
                         (-pad->GetOffset().y + radius) / SCALE_FACTOR,
                         (-dr + pad->GetOffset().x) / SCALE_FACTOR,
                         (-pad->GetOffset().y - radius) / SCALE_FACTOR,
                         (-dr + pad->GetOffset().x) / SCALE_FACTOR,
                         -pad->GetOffset().y / SCALE_FACTOR );
            }
            else        // Vertical oval
            {
                dr = -dr;
                int radius = dx;
                fprintf( aFile, "LINE %g %g %g %g\n",
                         (-radius + pad->GetOffset().x) / SCALE_FACTOR,
                         (-pad->GetOffset().y - dr) / SCALE_FACTOR,
                         (-radius + pad->GetOffset().x ) / SCALE_FACTOR,
                         (-pad->GetOffset().y + dr) / SCALE_FACTOR );
                fprintf( aFile, "ARC %g %g %g %g %g %g\n",
                         (-radius + pad->GetOffset().x ) / SCALE_FACTOR,
                         (-pad->GetOffset().y + dr) / SCALE_FACTOR,
                         (radius + pad->GetOffset().x ) / SCALE_FACTOR,
                         (-pad->GetOffset().y + dr) / SCALE_FACTOR,
                         pad->GetOffset().x / SCALE_FACTOR,
                         (-pad->GetOffset().y + dr) / SCALE_FACTOR );

                fprintf( aFile, "LINE %g %g %g %g\n",
                         (radius + pad->GetOffset().x) / SCALE_FACTOR,
                         (-pad->GetOffset().y + dr) / SCALE_FACTOR,
                         (radius + pad->GetOffset().x) / SCALE_FACTOR,
                         (-pad->GetOffset().y - dr) / SCALE_FACTOR );
                fprintf( aFile, "ARC %g %g %g %g %g %g\n",
                         (radius + pad->GetOffset().x) / SCALE_FACTOR,
                         (-pad->GetOffset().y - dr) / SCALE_FACTOR,
                         (-radius + pad->GetOffset().x) / SCALE_FACTOR,
                         (-pad->GetOffset().y - dr) / SCALE_FACTOR,
                         pad->GetOffset().x / SCALE_FACTOR,
                         (-pad->GetOffset().y - dr) / SCALE_FACTOR );
            }
            break;
        }

        case PAD_TRAPEZOID:
            fprintf( aFile, " POLYGON %g\n",
                     pad->GetDrillSize().x / SCALE_FACTOR );

            // XXX TO BE IMPLEMENTED! and I don't know if it could be actually 
imported by something
            break;
        }
    }

    fputs( "\n$ENDPADS\n\n", aFile );

    // Now emit the padstacks definitions, using the combined layer masks
    fputs( "$PADSTACKS\n", aFile );

    // Via padstacks
    for( unsigned i = 0; i < viastacks.size(); i++ )
    {
        TRACK*   via  = viastacks[i];
        LAYER_MSK mask = via->GetLayerMask() & master_layermask;
        fprintf( aFile, "PADSTACK VIA%d.%d.%X %g\n",
                 via->GetWidth(), via->GetDrillValue(), mask,
                 via->GetDrillValue() / SCALE_FACTOR );

        for( LAYER_NUM layer = FIRST_LAYER; layer < NB_LAYERS; ++layer )
        {
            if( mask & GetLayerMask( layer ) )
            {
                fprintf( aFile, "PAD V%d.%d.%X %s 0 0\n",
                        via->GetWidth(), via->GetDrillValue(),
                        mask,
                        TO_UTF8( GenCADLayerName[layer] ) );
            }
        }
    }

    /* Component padstacks
     *  CAM350 don't apply correctly the FLIP semantics for padstacks, i.e. 
doesn't
     *  swap the top and bottom layers... so I need to define the shape as 
MIRRORX
     *  and define a separate 'flipped' padstack... until it appears yet another
     *  noncompliant importer */
    for( unsigned i = 1; i < padstacks.size(); i++ )
    {
        D_PAD* pad = padstacks[i];

        // Straight padstack
        fprintf( aFile, "PADSTACK PAD%d %g\n", i,
                 pad->GetDrillSize().x / SCALE_FACTOR );
        for( LAYER_NUM layer = FIRST_LAYER; layer < NB_LAYERS; ++layer )
        {
            if( pad->GetLayerMask() & GetLayerMask( layer ) & master_layermask )
            {
                fprintf( aFile, "PAD P%d %s 0 0\n", i,
                        TO_UTF8( GenCADLayerName[layer] ) );
            }
        }

        // Flipped padstack
        fprintf( aFile, "PADSTACK PAD%dF %g\n", i,
                 pad->GetDrillSize().x / SCALE_FACTOR );
        for( LAYER_NUM layer = FIRST_LAYER; layer < NB_LAYERS; ++layer )
        {
            if( pad->GetLayerMask() & GetLayerMask( layer ) & master_layermask )
            {
                fprintf( aFile, "PAD P%d %s 0 0\n", i,
                        TO_UTF8( GenCADLayerNameFlipped[layer] ) );
            }
        }
    }

    fputs( "$ENDPADSTACKS\n\n", aFile );
}


/* Creates the footprint shape list.
 * Since module shape is customizable after the placement we cannot share them;
 * instead we opt for the one-module-one-shape-one-component-one-device approach
 */
static void CreateShapesSection( FILE* aFile, BOARD* aPcb, PCB_EDIT_FRAME* 
aPcbFrame, MODMAP* ModuleMap, MODMAPITR ModMapItr, MODPTRVECITR ModuleItr )
{
    MODULE*     module;
    D_PAD*      pad;
    const char* layer;
    wxString    pinname;
        wxString        pinlist;
        wxString        ShapeName;
        int                     i;
    const char* mirror = "0";

    fputs( "$SHAPES\n", aFile );

    for( module = aPcb->m_Modules; module != NULL; module = module->Next() )
    {
        FootprintAddMap( module, aPcbFrame, ModuleMap, ModMapItr, ModuleItr );
        }
        for( ModMapItr = ModuleMap->begin(); ModMapItr != ModuleMap->end(); 
ModMapItr++ )
        {
                module = ModMapItr->second.Modules.front();
                ShapeName = ModMapItr->first;
                
                FootprintWriteShape( aFile, module, ShapeName );
                
                i = 0;
                pinlist = _T("");
        
                for( pad = module->Pads(); pad != NULL; pad = pad->Next() )
                {
                        /* Funny thing: GenCAD requires the pad side even if 
you use
                        *  padstacks (which are theorically optional but 
gerbtools
                        *  requires* them). Now the trouble thing is that 
'BOTTOM'
                        *  is interpreted by someone as a padstack flip even
                        *  if the spec explicitly says it's not... */
                        layer = "ALL";

                        if( ( pad->GetLayerMask() & ALL_CU_LAYERS ) ==  
LAYER_BACK )
                        {
                                //layer = ( module->GetFlag() ) ? "TOP" : 
"BOTTOM";
                                layer = "TOP";
                        }
                        else if( ( pad->GetLayerMask() & ALL_CU_LAYERS ) == 
LAYER_FRONT )
                        {
                                //layer = ( module->GetFlag() ) ? "BOTTOM" : 
"TOP";
                                layer = "TOP";
                        }
                
                        pad->ReturnStringPadName( pinname );

                        if( pinname.IsEmpty() )
                                pinname = wxT( "none" );

                        if( pinlist.Find( " " + pinname + " " ) == wxNOT_FOUND )
                        {
                                pinlist = pinlist + " " + pinname + " ";
                        }
                        else
                        {
                                i++;
                                pinname = pinname + 
wxString::Format(_T("_z%d"), i);
                                pinlist = pinlist + " " + pinname;
                        }
                
                        double orient = pad->GetOrientation() - 
module->GetOrientation();
                        NORMALIZE_ANGLE_POS( orient );

                        // Bottom side modules use the flipped padstack
                        /*
                        fprintf( aFile, (module->GetFlag()) ?
                                 "PIN %s PAD%dF %g %g %s %g %s\n" :
                                 "PIN %s PAD%d %g %g %s %g %s\n",
                                 TO_UTF8( pinname ), pad->GetSubRatsnest(),
                                 pad->GetPos0().x / SCALE_FACTOR,
                                 -pad->GetPos0().y / SCALE_FACTOR,
                                 layer, orient / 10.0, mirror );
                        */
                        fprintf( aFile, "PIN %s PAD%d %g %g %s %g %s\n", 
                                 TO_UTF8( pinname ), pad->GetSubRatsnest(),
                                 pad->GetPos0().x / SCALE_FACTOR,
                                 -pad->GetPos0().y / SCALE_FACTOR,
                                 layer, orient / 10.0, mirror );
                }
        }
    fputs( "$ENDSHAPES\n\n", aFile );
}


/* Creates the section $COMPONENTS (Footprints placement)
 * Bottom side components are difficult to handle: shapes must be mirrored or
 * flipped, silk layers need to be handled correctly and so on. Also it seems
 * that *noone* follows the specs...
 */
static void CreateComponentsSection( FILE* aFile, BOARD* aPcb, MODMAP* 
ModuleMap, MODMAPITR ModMapItr, MODPTRVECITR ModuleItr )
{
        TEXTE_MODULE*   textmod;
        const char*             mirror;
        const char*             flip;
        double                  orient;
        MODULE*                 module;
        wxString                ShapeName;
        MODLIB                  ModLib;
        
        fputs( "$COMPONENTS\n", aFile );

        for( ModMapItr = ModuleMap->begin(); ModMapItr != ModuleMap->end(); 
ModMapItr++ )
        {
                ShapeName = ModMapItr->first;
                ModLib = ModMapItr->second;
                for( ModuleItr = ModLib.Modules.begin(); ModuleItr != 
ModLib.Modules.end(); ++ModuleItr )
                {
                        
                        module = *ModuleItr;
                        orient = module->GetOrientation();

                        if( module->GetFlag() )
                        {
                                mirror = "MIRRORX";
                                flip   = "FLIP";
                                NEGATE_AND_NORMALIZE_ANGLE_POS( orient );
                        }
                        else
                        {
                                mirror = "0";
                                flip   = "0";
                        }

                        fprintf( aFile, "\nCOMPONENT %s\n",
                                         TO_UTF8( module->GetReference() ) );
                        fprintf( aFile, "DEVICE %s_%s\n",
                                         TO_UTF8( module->GetReference() ),
                                         TO_UTF8( module->GetValue() ) );
                        fprintf( aFile, "PLACE %g %g\n",
                                         MapXTo( module->GetPosition().x ),
                                         MapYTo( module->GetPosition().y ) );
                        fprintf( aFile, "LAYER %s\n",
                                         (module->GetFlag()) ? "BOTTOM" : "TOP" 
);
                        fprintf( aFile, "ROTATION %g\n",
                                         orient / 10.0 );
                        fprintf( aFile, "SHAPE %s %s %s\n",
                                         TO_UTF8( ShapeName ),
                                         mirror, flip );

                        // Text on silk layer: RefDes and value (are they 
actually useful?)
                        textmod = &module->Reference();

                        for( int ii = 0; ii < 2; ii++ )
                        {
                                double   orient = textmod->GetOrientation();
                                wxString layer  = 
GenCADLayerName[(module->GetFlag()) ?
                                                                                
                  SILKSCREEN_N_BACK : SILKSCREEN_N_FRONT];

                                fprintf( aFile, "TEXT %g %g %g %g %s %s \"%s\"",
                                                 textmod->GetPos0().x / 
SCALE_FACTOR,
                                                -textmod->GetPos0().y / 
SCALE_FACTOR,
                                                 textmod->GetSize().x / 
SCALE_FACTOR,
                                                 orient / 10.0,
                                                 mirror,
                                                 TO_UTF8( layer ),
                                                 TO_UTF8( textmod->GetText() ) 
);

                                // Please note, the width is approx
                                fprintf( aFile, " 0 0 %g %g\n",
                                                 ( textmod->GetSize().x * 
textmod->GetLength() ) / SCALE_FACTOR,
                                                 textmod->GetSize().y / 
SCALE_FACTOR );

                                textmod = &module->Value(); // Dirty trick for 
the second iteration
                        }

                        // The SHEET is a 'generic description' for referencing 
the component
                        fprintf( aFile, "SHEET \"RefDes: %s, Value: %s\"\n",
                                         TO_UTF8( module->GetReference() ),
                                         TO_UTF8( module->GetValue() ) );
                }
        }

    fputs( "$ENDCOMPONENTS\n\n", aFile );
}


/* Emit the netlist (which is actually the thing for which GenCAD is used these
 * days!); tracks are handled later */
static void CreateSignalsSection( FILE* aFile, BOARD* aPcb )
{
    wxString      msg;
    NETINFO_ITEM* net;
    D_PAD*        pad;
    MODULE*       module;
    int           NbNoConn = 1;

    fputs( "$SIGNALS\n", aFile );

    for( unsigned ii = 0; ii < aPcb->GetNetCount(); ii++ )
    {
        net = aPcb->FindNet( ii );

        if( net->GetNetname() == wxEmptyString ) // dummy netlist (no 
connection)
        {
            wxString msg; msg << wxT( "NoConnection" ) << NbNoConn++;
            net->SetNetname( msg );
        }

        if( net->GetNet() <= 0 )  // dummy netlist (no connection)
            continue;

        msg = wxT( "SIGNAL " ) + net->GetNetname();

        fputs( TO_UTF8( msg ), aFile );
        fputs( "\n", aFile );

        for( module = aPcb->m_Modules; module != NULL; module = module->Next() )
        {
            for( pad = module->Pads(); pad != NULL; pad = pad->Next() )
            {
                wxString padname;

                if( pad->GetNet() != net->GetNet() )
                    continue;

                pad->ReturnStringPadName( padname );
                msg.Printf( wxT( "NODE %s %s" ),
                            GetChars( module->GetReference() ),
                            GetChars( padname ) );

                fputs( TO_UTF8( msg ), aFile );
                fputs( "\n", aFile );
            }
        }
    }

    fputs( "$ENDSIGNALS\n\n", aFile );
}


// Creates the header section
static bool CreateHeaderInfoData( FILE* aFile, PCB_EDIT_FRAME* aFrame )
{
    wxString    msg;
    BOARD *board = aFrame->GetBoard();

    fputs( "$HEADER\n", aFile );
    fputs( "GENCAD 1.4\n", aFile );

    // Please note: GenCAD syntax requires quoted strings if they can contain 
spaces
    msg.Printf( wxT( "USER \"%s %s\"\n" ),
               GetChars( wxGetApp().GetAppName() ),
               GetChars( GetBuildVersion() ) );
    fputs( TO_UTF8( msg ), aFile );

    msg = wxT( "DRAWING \"" ) + board->GetFileName() + wxT( "\"\n" );
    fputs( TO_UTF8( msg ), aFile );

    const TITLE_BLOCK&  tb = aFrame->GetTitleBlock();

    msg = wxT( "REVISION \"" ) + tb.GetRevision() + wxT( " " ) + tb.GetDate() + 
wxT( "\"\n" );

    fputs( TO_UTF8( msg ), aFile );
    fputs( "UNITS INCH\n", aFile );

    msg.Printf( wxT( "ORIGIN %g %g\n" ),
                MapXTo( aFrame->GetAuxOrigin().x ),
                MapYTo( aFrame->GetAuxOrigin().y ) );
    fputs( TO_UTF8( msg ), aFile );

    fputs( "INTERTRACK 0\n", aFile );
    fputs( "$ENDHEADER\n\n", aFile );

    return true;
}


/*
 *  Sort function used to sort tracks segments:
 *   items are sorted by netcode, then by width then by layer
 */
static int TrackListSortByNetcode( const void* refptr, const void* objptr )
{
    const TRACK* ref, * cmp;
    int          diff;

    ref = *( (TRACK**) refptr );
    cmp = *( (TRACK**) objptr );

    if( ( diff = ref->GetNet() - cmp->GetNet() ) )
        return diff;

    if( ( diff = ref->GetWidth() - cmp->GetWidth() ) )
        return diff;

    if( ( diff = ref->GetLayer() - cmp->GetLayer() ) )
        return diff;

    return 0;
}


/* Creates the section ROUTES
 * that handles tracks, vias
 * TODO: add zones
 *  section:
 *  $ROUTE
 *  ...
 *  $ENROUTE
 *  Track segments must be sorted by nets
 */
static void CreateRoutesSection( FILE* aFile, BOARD* aPcb )
{
    TRACK*   track, ** tracklist;
    int      vianum = 1;
    int      old_netcode, old_width, old_layer;
    int      nbitems, ii;
    LAYER_MSK master_layermask = aPcb->GetDesignSettings().GetEnabledLayers();

    // Count items
    nbitems = 0;

    for( track = aPcb->m_Track; track != NULL; track = track->Next() )
        nbitems++;

    for( track = aPcb->m_Zone; track != NULL; track = track->Next() )
    {
        if( track->Type() == PCB_ZONE_T )
            nbitems++;
    }

    tracklist = (TRACK**) operator new( (nbitems + 1)* sizeof( TRACK* ) );

    nbitems = 0;

    for( track = aPcb->m_Track; track != NULL; track = track->Next() )
        tracklist[nbitems++] = track;

    for( track = aPcb->m_Zone; track != NULL; track = track->Next() )
    {
        if( track->Type() == PCB_ZONE_T )
            tracklist[nbitems++] = track;
    }

    tracklist[nbitems] = NULL;

    qsort( tracklist, nbitems, sizeof(TRACK*), TrackListSortByNetcode );

    fputs( "$ROUTES\n", aFile );

    old_netcode = -1; old_width = -1; old_layer = -1;

    for( ii = 0; ii < nbitems; ii++ )
    {
        track = tracklist[ii];

        if( old_netcode != track->GetNet() )
        {
            old_netcode = track->GetNet();
            NETINFO_ITEM* net = aPcb->FindNet( track->GetNet() );
            wxString      netname;

            if( net && (net->GetNetname() != wxEmptyString) )
                netname = net->GetNetname();
            else
                netname = wxT( "_noname_" );

            fprintf( aFile, "ROUTE %s\n", TO_UTF8( netname ) );
        }

        if( old_width != track->GetWidth() )
        {
            old_width = track->GetWidth();
            fprintf( aFile, "TRACK TRACK%d\n", track->GetWidth() );
        }

        if( (track->Type() == PCB_TRACE_T) || (track->Type() == PCB_ZONE_T) )
        {
            if( old_layer != track->GetLayer() )
            {
                old_layer = track->GetLayer();
                fprintf( aFile, "LAYER %s\n",
                        TO_UTF8( GenCADLayerName[track->GetLayer() & 0x1F] ) );
            }

            fprintf( aFile, "LINE %g %g %g %g\n",
                    MapXTo( track->GetStart().x ), MapYTo( track->GetStart().y 
),
                    MapXTo( track->GetEnd().x ), MapYTo( track->GetEnd().y ) );
        }
        if( track->Type() == PCB_VIA_T )
        {
            fprintf( aFile, "VIA VIA%d.%d.%X %g %g ALL %g via%d\n",
                     track->GetWidth(), track->GetDrillValue(),
                     track->GetLayerMask() & master_layermask,
                     MapXTo( track->GetStart().x ), MapYTo( track->GetStart().y 
),
                     track->GetDrillValue() / SCALE_FACTOR, vianum++ );
        }
    }

    fputs( "$ENDROUTES\n\n", aFile );

    delete tracklist;
}


/* Creates the section $DEVICES
 * This is a list of footprints properties
 *  ( Shapes are in section $SHAPE )
 */
static void CreateDevicesSection( FILE* aFile, BOARD* aPcb )
{
    MODULE* module;

    fputs( "$DEVICES\n", aFile );

    for( module = aPcb->m_Modules; module != NULL; module = module->Next() )
    {
        fprintf( aFile, "DEVICE \"%s\"\n", TO_UTF8( module->GetReference() ) );
        fprintf( aFile, "PART \"%s\"\n", TO_UTF8( module->GetValue() ) );
        fprintf( aFile, "PACKAGE \"%s\"\n", module->GetFPID().Format().c_str() 
);

        // The TYPE attribute is almost freeform
        const char* ty = "TH";

        if( module->GetAttributes() & MOD_CMS )
            ty = "SMD";

        if( module->GetAttributes() & MOD_VIRTUAL )
            ty = "VIRTUAL";

        fprintf( aFile, "TYPE %s\n", ty );
    }

    fputs( "$ENDDEVICES\n\n", aFile );
}


/* Creates the section $BOARD.
 *  We output here only the board perimeter
 */
static void CreateBoardSection( FILE* aFile, BOARD* aPcb )
{
    fputs( "$BOARD\n", aFile );

    // Extract the board edges
    for( EDA_ITEM* drawing = aPcb->m_Drawings;
        drawing != 0;
        drawing = drawing->Next() )
    {
        if( drawing->Type() == PCB_LINE_T )
        {
            DRAWSEGMENT* drawseg = dynamic_cast<DRAWSEGMENT*>( drawing );
            if( drawseg->GetLayer() == EDGE_N )
            {
                // XXX GenCAD supports arc boundaries but I've seen nothing 
that reads them
                fprintf( aFile, "LINE %g %g %g %g\n",
                         MapXTo( drawseg->GetStart().x ), MapYTo( 
drawseg->GetStart().y ),
                         MapXTo( drawseg->GetEnd().x ), MapYTo( 
drawseg->GetEnd().y ) );
            }
        }
    }

    fputs( "$ENDBOARD\n\n", aFile );
}


/* Creates the section "$TRACKS"
 *  This sections give the list of widths (tools) used in tracks and vias
 *  format:
 *  $TRACK
 *  TRACK <name> <width>
 *  $ENDTRACK
 *
 *  Each tool name is build like this: "TRACK" + track width.
 *  For instance for a width = 120 : name = "TRACK120".
 */
static void CreateTracksInfoData( FILE* aFile, BOARD* aPcb )
{
    TRACK* track;
    int    last_width = -1;

    // Find thickness used for traces
    // XXX could use the same sorting approach used for pads

    std::vector <int> trackinfo;

    unsigned          ii;

    for( track = aPcb->m_Track; track != NULL; track = track->Next() )
    {
        if( last_width != track->GetWidth() ) // Find a thickness already used.
        {
            for( ii = 0; ii < trackinfo.size(); ii++ )
            {
                if( trackinfo[ii] == track->GetWidth() )
                    break;
            }

            if( ii == trackinfo.size() )    // not found
                trackinfo.push_back( track->GetWidth() );

            last_width = track->GetWidth();
        }
    }

    for( track = aPcb->m_Zone; track != NULL; track = track->Next() )
    {
        if( last_width != track->GetWidth() ) // Find a thickness already used.
        {
            for( ii = 0; ii < trackinfo.size(); ii++ )
            {
                if( trackinfo[ii] == track->GetWidth() )
                    break;
            }

            if( ii == trackinfo.size() )    // not found
                trackinfo.push_back( track->GetWidth() );

            last_width = track->GetWidth();
        }
    }

    // Write data
    fputs( "$TRACKS\n", aFile );

    for( ii = 0; ii < trackinfo.size(); ii++ )
    {
        fprintf( aFile, "TRACK TRACK%d %g\n", trackinfo[ii],
                 trackinfo[ii] / SCALE_FACTOR );
    }

    fputs( "$ENDTRACKS\n\n", aFile );
}


/* Creates the shape of a footprint (section SHAPE)
 *  The shape is always given "normal" (Orient 0, not mirrored)
 * It's almost guaranteed that the silk layer will be imported wrong but
 * the shape also contains the pads!
 */
static void FootprintWriteShape( FILE* aFile, MODULE* module, wxString 
ShapeName )
{
    EDGE_MODULE* PtEdge;
    EDA_ITEM*    PtStruct;

    // Control Y axis change sign for flipped modules
    int          Yaxis_sign = -1;

    // DO NOT Flip for bottom side components
    //if( module->GetFlag() )
        //Yaxis_sign = 1;
                
        fprintf( aFile, "\nSHAPE %s\n", TO_UTF8( ShapeName ) );

        if( module->GetAttributes() & MOD_VIRTUAL )
        {
                fprintf( aFile, "INSERT SMD\n" );
        }
        else
        {
                if( module->GetAttributes() & MOD_CMS )
                {
                        fprintf( aFile, "INSERT SMD\n" );
                }
                else
                {
                        fprintf( aFile, "INSERT TH\n" );
                }
        }

#if 0 /* ATTRIBUTE name and value is unspecified and the original exporter
           * got the syntax wrong, so CAM350 rejected the whole shape! */

        if( module->m_Attributs != MOD_DEFAULT )
        {
                fprintf( aFile, "ATTRIBUTE" );

                if( module->m_Attributs & MOD_CMS )
                        fprintf( aFile, " PAD_SMD" );

                if( module->m_Attributs & MOD_VIRTUAL )
                        fprintf( aFile, " VIRTUAL" );

                fprintf( aFile, "\n" );
        }
#endif

        // Silk outline; wildly interpreted by various importers:
        // CAM350 read it right but only closed shapes
        // ProntoPlace double-flip it (at least the pads are correct)
        // GerberTool usually get it right...
        for( PtStruct = module->GraphicalItems(); PtStruct != NULL; PtStruct = 
PtStruct->Next() )
        {
                switch( PtStruct->Type() )
                {
                case PCB_MODULE_TEXT_T:

                        // If we wanted to export text, this is not the correct 
section
                        break;

                case PCB_MODULE_EDGE_T:
                        PtEdge = (EDGE_MODULE*) PtStruct;
                        if( PtEdge->GetLayer() == SILKSCREEN_N_FRONT
                                || PtEdge->GetLayer() == SILKSCREEN_N_BACK )
                        {
                                switch( PtEdge->GetShape() )
                                {
                                case S_SEGMENT:
                                        fprintf( aFile, "LINE %g %g %g %g\n",
                                                         (PtEdge->m_Start0.x) / 
SCALE_FACTOR,
                                                         (Yaxis_sign * 
PtEdge->m_Start0.y) / SCALE_FACTOR,
                                                         (PtEdge->m_End0.x) / 
SCALE_FACTOR,
                                                         (Yaxis_sign * 
PtEdge->m_End0.y ) / SCALE_FACTOR );
                                        break;

                                case S_CIRCLE:
                                {
                                        int radius = KiROUND( GetLineLength( 
PtEdge->m_End0,
                                                                                
                                 PtEdge->m_Start0 ) );
                                        fprintf( aFile, "CIRCLE %g %g %g\n",
                                                         PtEdge->m_Start0.x / 
SCALE_FACTOR,
                                                         Yaxis_sign * 
PtEdge->m_Start0.y / SCALE_FACTOR,
                                                         radius / SCALE_FACTOR 
);
                                        break;
                                }

                                case S_ARC:
                                {
                                        int arcendx, arcendy;
                                        arcendx = PtEdge->m_End0.x - 
PtEdge->m_Start0.x;
                                        arcendy = PtEdge->m_End0.y - 
PtEdge->m_Start0.y;
                                        RotatePoint( &arcendx, &arcendy, 
-PtEdge->GetAngle() );
                                        arcendx += PtEdge->GetStart0().x;
                                        arcendy += PtEdge->GetStart0().y;
                                        if( Yaxis_sign == -1 )
                                        {
                                                // Flipping Y flips the arc 
direction too
                                                fprintf( aFile, "ARC %g %g %g 
%g %g %g\n",
                                                                 (arcendx) / 
SCALE_FACTOR,
                                                                 (Yaxis_sign * 
arcendy) / SCALE_FACTOR,
                                                                 
(PtEdge->m_End0.x) / SCALE_FACTOR,
                                                                 (Yaxis_sign * 
PtEdge->GetEnd0().y) / SCALE_FACTOR,
                                                                 
(PtEdge->GetStart0().x) / SCALE_FACTOR,
                                                                 (Yaxis_sign * 
PtEdge->GetStart0().y) / SCALE_FACTOR );
                                        }
                                        else
                                        {
                                                fprintf( aFile, "ARC %g %g %g 
%g %g %g\n",
                                                                 
(PtEdge->GetEnd0().x) / SCALE_FACTOR,
                                                                 (Yaxis_sign * 
PtEdge->GetEnd0().y) / SCALE_FACTOR,
                                                                 (arcendx) / 
SCALE_FACTOR,
                                                                 (Yaxis_sign * 
arcendy) / SCALE_FACTOR,
                                                                 
(PtEdge->GetStart0().x) / SCALE_FACTOR,
                                                                 (Yaxis_sign * 
PtEdge->GetStart0().y) / SCALE_FACTOR );
                                        }
                                        break;
                                }

                                default:
                                        DisplayError( NULL, wxT( "Type Edge 
Module invalid." ) );
                                        break;
                                }
                        }
                        break;

                default:
                        break;
                }
        }
}

static void FootprintAddMap( MODULE* module, PCB_EDIT_FRAME* aPcbFrame, MODMAP* 
ModuleMap, MODMAPITR ModMapItr, MODPTRVECITR ModuleItr )
{
        MODULE*         CheckModule;
        FPID            ModuleFPID;
        wxString        ModuleName;
        wxString        CheckModuleName;
        int                     PadMatch = 0;
        int                     InLibrary;
        
        //Compare to Library
        ModuleFPID = module->GetFPID();
        CheckModule = aPcbFrame->LoadFootprint( ModuleFPID );
        ModuleName = wxString::FromUTF8(module->GetFPID().GetFootprintName());
        
        if ( CheckModule == NULL )
        {
                //Module mismatch add to new module list
                (*ModuleMap)[ ModuleName + "_" + ( module->GetReference() ) 
].InLib = 0;
                (*ModuleMap)[ ModuleName + "_" + ( module->GetReference() ) 
].Modules.push_back(module);
        }
        else
        {
                PadMatch = 0;
                D_PAD* OldPad = module->Pads();
                for( D_PAD*     pad = CheckModule->Pads(); pad != NULL; pad = 
pad->Next())
                {
                        PadMatch = 0;
                        for( OldPad = module->Pads(); OldPad != NULL; OldPad = 
OldPad->Next())
                        {
                                if( pad->PadNameEqual( OldPad ) && 
ComparePadPosition( pad, OldPad ) && ComparePadSize( pad, OldPad ) )
                                {
                                        PadMatch = 1;
                                        break;
                                }
                        }
                        if ( !PadMatch )
                        {
                                break;
                        }
                }
        }
        
        if( PadMatch )
        {
                //Module match add only if not already defined
                (*ModuleMap)[ ModuleName ].InLib = 1;
                (*ModuleMap)[ ModuleName ].Modules.push_back( module );
        }
        else
        {
                PadMatch = 0;
                //Check to see if exists within the list of differing modules
                for( ModMapItr = ModuleMap->begin(); ModMapItr != 
ModuleMap->end(); ModMapItr++ )
                {
                        CheckModuleName = ModMapItr->first;
                        CheckModule = ModMapItr->second.Modules.front();
                        InLibrary = ModMapItr->second.InLib;
                        
                        if ( !InLibrary )
                        {
                                D_PAD* OldPad = module->Pads();
                                for( D_PAD*     pad = CheckModule->Pads(); pad 
!= NULL; pad = pad->Next())
                                {
                                        PadMatch = 0;
                                        for( OldPad = module->Pads(); OldPad != 
NULL; OldPad = OldPad->Next())
                                        {
                                                if( pad->PadNameEqual( OldPad ) 
&& ComparePadPosition( pad, OldPad ) && ComparePadSize( pad, OldPad ) )
                                                {
                                                        PadMatch = 1;
                                                        break;
                                                }
                                        }
                                        if ( !PadMatch )
                                        {
                                                break;
                                        }
                                }
                                if( PadMatch )
                                {
                                        //Module match add to existing group
                                        (*ModuleMap)[ CheckModuleName 
].Modules.push_back( module );
                                        break;
                                }
                        }
                }
                if ( !PadMatch )
                {
                        //Module mismatch add to new module list
                        (*ModuleMap)[ ModuleName + "_" + ( 
module->GetReference() ) ].InLib = 0;
                        (*ModuleMap)[ ModuleName + "_" + ( 
module->GetReference() ) ].Modules.  push_back(module);
                }
        }
}

static int ComparePadPosition( D_PAD* pad, D_PAD* OldPad )
{
        return ( ( pad->GetPos0().x == OldPad->GetPos0().x ) && ( 
pad->GetPos0().y == OldPad->GetPos0().y ) );
}

static int ComparePadSize( D_PAD* pad, D_PAD* OldPad )
{
        return ( ( pad->GetSize().x == OldPad->GetSize().x ) && ( 
pad->GetSize().y == OldPad->GetSize().y ) && ( pad->GetDrillSize().x == 
OldPad->GetDrillSize().x ) && ( pad->GetDrillSize().y == 
OldPad->GetDrillSize().y ) );
}
48a49,62
> #include <vector>
> #include <map>
> 
> typedef std::vector<MODULE*> MODPTRVEC;
> typedef std::vector<MODULE*>::iterator MODPTRVECITR;
> 
> typedef struct ModLib
> {
>       int                     InLib;
>       MODPTRVEC       Modules;
> } MODLIB;
> 
> typedef       std::map<wxString, MODLIB> MODMAP;
> typedef       std::map<wxString, MODLIB>::iterator MODMAPITR;
54c68
< static void CreateComponentsSection( FILE* aFile, BOARD* aPcb );
---
> static void CreateComponentsSection( FILE* aFile, BOARD* aPcb, MODMAP* 
> ModuleMap, MODMAPITR ModMapItr, MODPTRVECITR ModuleItr );
58c72
< static void CreateShapesSection( FILE* aFile, BOARD* aPcb );
---
> static void CreateShapesSection( FILE* aFile, BOARD* aPcb, PCB_EDIT_FRAME* 
> aPcbFrame, MODMAP* ModuleMap, MODMAPITR ModMapItr, MODPTRVECITR ModuleItr );
60c74,77
< static void FootprintWriteShape( FILE* File, MODULE* module );
---
> static void FootprintWriteShape( FILE* File, MODULE* module, wxString 
> ShapeName );
> static void FootprintAddMap( MODULE* module, PCB_EDIT_FRAME* aPcbFrame, 
> MODMAP* ModuleMap, MODMAPITR ModMapItr, MODPTRVECITR ModuleItr );
> static int ComparePadPosition( D_PAD* pad, D_PAD* OldPad );
> static int ComparePadSize( D_PAD* pad, D_PAD* OldPad );
129a147,152
>       MODMAP*                 ModuleMap;
>       MODMAPITR               ModMapItr;
>       MODPTRVECITR    ModuleItr;
>       
>       ModuleMap = new MODMAP;
>       
188,189c211,212
<     CreateShapesSection( file, pcb );
<     CreateComponentsSection( file, pcb );
---
>     CreateShapesSection( file, pcb, this, ModuleMap, ModMapItr, ModuleItr );
>     CreateComponentsSection( file, pcb, ModuleMap, ModMapItr, ModuleItr );
496c519
< static void CreateShapesSection( FILE* aFile, BOARD* aPcb )
---
> static void CreateShapesSection( FILE* aFile, BOARD* aPcb, PCB_EDIT_FRAME* 
> aPcbFrame, MODMAP* ModuleMap, MODMAPITR ModMapItr, MODPTRVECITR ModuleItr )
501a525,527
>       wxString        pinlist;
>       wxString        ShapeName;
>       int                     i;
508,546c534,601
<         FootprintWriteShape( aFile, module );
< 
<         for( pad = module->Pads(); pad != NULL; pad = pad->Next() )
<         {
<             /* Funny thing: GenCAD requires the pad side even if you use
<              *  padstacks (which are theorically optional but gerbtools
<              *requires* them). Now the trouble thing is that 'BOTTOM'
<              *  is interpreted by someone as a padstack flip even
<              *  if the spec explicitly says it's not... */
<             layer = "ALL";
< 
<             if( ( pad->GetLayerMask() & ALL_CU_LAYERS ) == LAYER_BACK )
<             {
<                 layer = ( module->GetFlag() ) ? "TOP" : "BOTTOM";
<             }
<             else if( ( pad->GetLayerMask() & ALL_CU_LAYERS ) == LAYER_FRONT )
<             {
<                 layer = ( module->GetFlag() ) ? "BOTTOM" : "TOP";
<             }
< 
<             pad->ReturnStringPadName( pinname );
< 
<             if( pinname.IsEmpty() )
<                 pinname = wxT( "none" );
< 
<             double orient = pad->GetOrientation() - module->GetOrientation();
<             NORMALIZE_ANGLE_POS( orient );
< 
<             // Bottom side modules use the flipped padstack
<             fprintf( aFile, (module->GetFlag()) ?
<                      "PIN %s PAD%dF %g %g %s %g %s\n" :
<                      "PIN %s PAD%d %g %g %s %g %s\n",
<                      TO_UTF8( pinname ), pad->GetSubRatsnest(),
<                      pad->GetPos0().x / SCALE_FACTOR,
<                      -pad->GetPos0().y / SCALE_FACTOR,
<                      layer, orient / 10.0, mirror );
<         }
<     }
< 
---
>         FootprintAddMap( module, aPcbFrame, ModuleMap, ModMapItr, ModuleItr );
>       }
>       for( ModMapItr = ModuleMap->begin(); ModMapItr != ModuleMap->end(); 
> ModMapItr++ )
>       {
>               module = ModMapItr->second.Modules.front();
>               ShapeName = ModMapItr->first;
>               
>               FootprintWriteShape( aFile, module, ShapeName );
>               
>               i = 0;
>               pinlist = _T("");
>       
>               for( pad = module->Pads(); pad != NULL; pad = pad->Next() )
>               {
>                       /* Funny thing: GenCAD requires the pad side even if 
> you use
>                       *  padstacks (which are theorically optional but 
> gerbtools
>                       *  requires* them). Now the trouble thing is that 
> 'BOTTOM'
>                       *  is interpreted by someone as a padstack flip even
>                       *  if the spec explicitly says it's not... */
>                       layer = "ALL";
> 
>                       if( ( pad->GetLayerMask() & ALL_CU_LAYERS ) ==  
> LAYER_BACK )
>                       {
>                               //layer = ( module->GetFlag() ) ? "TOP" : 
> "BOTTOM";
>                               layer = "TOP";
>                       }
>                       else if( ( pad->GetLayerMask() & ALL_CU_LAYERS ) == 
> LAYER_FRONT )
>                       {
>                               //layer = ( module->GetFlag() ) ? "BOTTOM" : 
> "TOP";
>                               layer = "TOP";
>                       }
>               
>                       pad->ReturnStringPadName( pinname );
> 
>                       if( pinname.IsEmpty() )
>                               pinname = wxT( "none" );
> 
>                       if( pinlist.Find( " " + pinname + " " ) == wxNOT_FOUND )
>                       {
>                               pinlist = pinlist + " " + pinname + " ";
>                       }
>                       else
>                       {
>                               i++;
>                               pinname = pinname + 
> wxString::Format(_T("_z%d"), i);
>                               pinlist = pinlist + " " + pinname;
>                       }
>               
>                       double orient = pad->GetOrientation() - 
> module->GetOrientation();
>                       NORMALIZE_ANGLE_POS( orient );
> 
>                       // Bottom side modules use the flipped padstack
>                       /*
>                       fprintf( aFile, (module->GetFlag()) ?
>                                "PIN %s PAD%dF %g %g %s %g %s\n" :
>                                "PIN %s PAD%d %g %g %s %g %s\n",
>                                TO_UTF8( pinname ), pad->GetSubRatsnest(),
>                                pad->GetPos0().x / SCALE_FACTOR,
>                                -pad->GetPos0().y / SCALE_FACTOR,
>                                layer, orient / 10.0, mirror );
>                       */
>                       fprintf( aFile, "PIN %s PAD%d %g %g %s %g %s\n", 
>                                TO_UTF8( pinname ), pad->GetSubRatsnest(),
>                                pad->GetPos0().x / SCALE_FACTOR,
>                                -pad->GetPos0().y / SCALE_FACTOR,
>                                layer, orient / 10.0, mirror );
>               }
>       }
556c611
< static void CreateComponentsSection( FILE* aFile, BOARD* aPcb )
---
> static void CreateComponentsSection( FILE* aFile, BOARD* aPcb, MODMAP* 
> ModuleMap, MODMAPITR ModMapItr, MODPTRVECITR ModuleItr )
558,625c613,692
<     fputs( "$COMPONENTS\n", aFile );
< 
<     for( MODULE* module = aPcb->m_Modules; module != NULL; module = 
module->Next() )
<     {
<         TEXTE_MODULE* textmod;
<         const char*   mirror;
<         const char*   flip;
<         double        orient = module->GetOrientation();
< 
<         if( module->GetFlag() )
<         {
<             mirror = "0";
<             flip   = "FLIP";
<             NEGATE_AND_NORMALIZE_ANGLE_POS( orient );
<         }
<         else
<         {
<             mirror = "0";
<             flip   = "0";
<         }
< 
<         fprintf( aFile, "\nCOMPONENT %s\n",
<                  TO_UTF8( module->GetReference() ) );
<         fprintf( aFile, "DEVICE %s_%s\n",
<                  TO_UTF8( module->GetReference() ),
<                  TO_UTF8( module->GetValue() ) );
<         fprintf( aFile, "PLACE %g %g\n",
<                  MapXTo( module->GetPosition().x ),
<                  MapYTo( module->GetPosition().y ) );
<         fprintf( aFile, "LAYER %s\n",
<                  (module->GetFlag()) ? "BOTTOM" : "TOP" );
<         fprintf( aFile, "ROTATION %g\n",
<                  orient / 10.0 );
<         fprintf( aFile, "SHAPE %s %s %s\n",
<                  TO_UTF8( module->GetReference() ),
<                  mirror, flip );
< 
<         // Text on silk layer: RefDes and value (are they actually useful?)
<         textmod = &module->Reference();
< 
<         for( int ii = 0; ii < 2; ii++ )
<         {
<             double   orient = textmod->GetOrientation();
<             wxString layer  = GenCADLayerName[(module->GetFlag()) ?
<                                               SILKSCREEN_N_BACK : 
SILKSCREEN_N_FRONT];
< 
<             fprintf( aFile, "TEXT %g %g %g %g %s %s \"%s\"",
<                      textmod->GetPos0().x / SCALE_FACTOR,
<                     -textmod->GetPos0().y / SCALE_FACTOR,
<                      textmod->GetSize().x / SCALE_FACTOR,
<                      orient / 10.0,
<                      mirror,
<                      TO_UTF8( layer ),
<                      TO_UTF8( textmod->GetText() ) );
< 
<             // Please note, the width is approx
<             fprintf( aFile, " 0 0 %g %g\n",
<                      ( textmod->GetSize().x * textmod->GetLength() ) / 
SCALE_FACTOR,
<                      textmod->GetSize().y / SCALE_FACTOR );
< 
<             textmod = &module->Value(); // Dirty trick for the second 
iteration
<         }
< 
<         // The SHEET is a 'generic description' for referencing the component
<         fprintf( aFile, "SHEET \"RefDes: %s, Value: %s\"\n",
<                  TO_UTF8( module->GetReference() ),
<                  TO_UTF8( module->GetValue() ) );
<     }
---
>       TEXTE_MODULE*   textmod;
>       const char*             mirror;
>       const char*             flip;
>       double                  orient;
>       MODULE*                 module;
>       wxString                ShapeName;
>       MODLIB                  ModLib;
>       
>       fputs( "$COMPONENTS\n", aFile );
> 
>       for( ModMapItr = ModuleMap->begin(); ModMapItr != ModuleMap->end(); 
> ModMapItr++ )
>       {
>               ShapeName = ModMapItr->first;
>               ModLib = ModMapItr->second;
>               for( ModuleItr = ModLib.Modules.begin(); ModuleItr != 
> ModLib.Modules.end(); ++ModuleItr )
>               {
>                       
>                       module = *ModuleItr;
>                       orient = module->GetOrientation();
> 
>                       if( module->GetFlag() )
>                       {
>                               mirror = "MIRRORX";
>                               flip   = "FLIP";
>                               NEGATE_AND_NORMALIZE_ANGLE_POS( orient );
>                       }
>                       else
>                       {
>                               mirror = "0";
>                               flip   = "0";
>                       }
> 
>                       fprintf( aFile, "\nCOMPONENT %s\n",
>                                        TO_UTF8( module->GetReference() ) );
>                       fprintf( aFile, "DEVICE %s_%s\n",
>                                        TO_UTF8( module->GetReference() ),
>                                        TO_UTF8( module->GetValue() ) );
>                       fprintf( aFile, "PLACE %g %g\n",
>                                        MapXTo( module->GetPosition().x ),
>                                        MapYTo( module->GetPosition().y ) );
>                       fprintf( aFile, "LAYER %s\n",
>                                        (module->GetFlag()) ? "BOTTOM" : "TOP" 
> );
>                       fprintf( aFile, "ROTATION %g\n",
>                                        orient / 10.0 );
>                       fprintf( aFile, "SHAPE %s %s %s\n",
>                                        TO_UTF8( ShapeName ),
>                                        mirror, flip );
> 
>                       // Text on silk layer: RefDes and value (are they 
> actually useful?)
>                       textmod = &module->Reference();
> 
>                       for( int ii = 0; ii < 2; ii++ )
>                       {
>                               double   orient = textmod->GetOrientation();
>                               wxString layer  = 
> GenCADLayerName[(module->GetFlag()) ?
>                                                                               
>                   SILKSCREEN_N_BACK : SILKSCREEN_N_FRONT];
> 
>                               fprintf( aFile, "TEXT %g %g %g %g %s %s \"%s\"",
>                                                textmod->GetPos0().x / 
> SCALE_FACTOR,
>                                               -textmod->GetPos0().y / 
> SCALE_FACTOR,
>                                                textmod->GetSize().x / 
> SCALE_FACTOR,
>                                                orient / 10.0,
>                                                mirror,
>                                                TO_UTF8( layer ),
>                                                TO_UTF8( textmod->GetText() ) 
> );
> 
>                               // Please note, the width is approx
>                               fprintf( aFile, " 0 0 %g %g\n",
>                                                ( textmod->GetSize().x * 
> textmod->GetLength() ) / SCALE_FACTOR,
>                                                textmod->GetSize().y / 
> SCALE_FACTOR );
> 
>                               textmod = &module->Value(); // Dirty trick for 
> the second iteration
>                       }
> 
>                       // The SHEET is a 'generic description' for referencing 
> the component
>                       fprintf( aFile, "SHEET \"RefDes: %s, Value: %s\"\n",
>                                        TO_UTF8( module->GetReference() ),
>                                        TO_UTF8( module->GetValue() ) );
>               }
>       }
985c1052
< static void FootprintWriteShape( FILE* aFile, MODULE* module )
---
> static void FootprintWriteShape( FILE* aFile, MODULE* module, wxString 
> ShapeName )
993,1014c1060,1080
<     // Flip for bottom side components
<     if( module->GetFlag() )
<         Yaxis_sign = 1;
< 
<     /* creates header: */
<     fprintf( aFile, "\nSHAPE %s\n", TO_UTF8( module->GetReference() ) );
< 
<     if( module->GetAttributes() & MOD_VIRTUAL )
<     {
<         fprintf( aFile, "INSERT SMD\n" );
<     }
<     else
<     {
<         if( module->GetAttributes() & MOD_CMS )
<         {
<             fprintf( aFile, "INSERT SMD\n" );
<         }
<         else
<         {
<             fprintf( aFile, "INSERT TH\n" );
<         }
<     }
---
>     // DO NOT Flip for bottom side components
>     //if( module->GetFlag() )
>         //Yaxis_sign = 1;
>               
>       fprintf( aFile, "\nSHAPE %s\n", TO_UTF8( ShapeName ) );
> 
>       if( module->GetAttributes() & MOD_VIRTUAL )
>       {
>               fprintf( aFile, "INSERT SMD\n" );
>       }
>       else
>       {
>               if( module->GetAttributes() & MOD_CMS )
>               {
>                       fprintf( aFile, "INSERT SMD\n" );
>               }
>               else
>               {
>                       fprintf( aFile, "INSERT TH\n" );
>               }
>       }
1017c1083
<        * got the syntax wrong, so CAM350 rejected the whole shape! */
---
>          * got the syntax wrong, so CAM350 rejected the whole shape! */
1019,1021c1085,1087
<     if( module->m_Attributs != MOD_DEFAULT )
<     {
<         fprintf( aFile, "ATTRIBUTE" );
---
>       if( module->m_Attributs != MOD_DEFAULT )
>       {
>               fprintf( aFile, "ATTRIBUTE" );
1023,1024c1089,1090
<         if( module->m_Attributs & MOD_CMS )
<             fprintf( aFile, " PAD_SMD" );
---
>               if( module->m_Attributs & MOD_CMS )
>                       fprintf( aFile, " PAD_SMD" );
1026,1027c1092,1093
<         if( module->m_Attributs & MOD_VIRTUAL )
<             fprintf( aFile, " VIRTUAL" );
---
>               if( module->m_Attributs & MOD_VIRTUAL )
>                       fprintf( aFile, " VIRTUAL" );
1029,1030c1095,1096
<         fprintf( aFile, "\n" );
<     }
---
>               fprintf( aFile, "\n" );
>       }
1033,1102c1099,1181
<     // Silk outline; wildly interpreted by various importers:
<     // CAM350 read it right but only closed shapes
<     // ProntoPlace double-flip it (at least the pads are correct)
<     // GerberTool usually get it right...
<     for( PtStruct = module->GraphicalItems(); PtStruct != NULL; PtStruct = 
PtStruct->Next() )
<     {
<         switch( PtStruct->Type() )
<         {
<         case PCB_MODULE_TEXT_T:
< 
<             // If we wanted to export text, this is not the correct section
<             break;
< 
<         case PCB_MODULE_EDGE_T:
<             PtEdge = (EDGE_MODULE*) PtStruct;
<             if( PtEdge->GetLayer() == SILKSCREEN_N_FRONT
<                 || PtEdge->GetLayer() == SILKSCREEN_N_BACK )
<             {
<                 switch( PtEdge->GetShape() )
<                 {
<                 case S_SEGMENT:
<                     fprintf( aFile, "LINE %g %g %g %g\n",
<                              (PtEdge->m_Start0.x) / SCALE_FACTOR,
<                              (Yaxis_sign * PtEdge->m_Start0.y) / SCALE_FACTOR,
<                              (PtEdge->m_End0.x) / SCALE_FACTOR,
<                              (Yaxis_sign * PtEdge->m_End0.y ) / SCALE_FACTOR 
);
<                     break;
< 
<                 case S_CIRCLE:
<                 {
<                     int radius = KiROUND( GetLineLength( PtEdge->m_End0,
<                                                          PtEdge->m_Start0 ) );
<                     fprintf( aFile, "CIRCLE %g %g %g\n",
<                              PtEdge->m_Start0.x / SCALE_FACTOR,
<                              Yaxis_sign * PtEdge->m_Start0.y / SCALE_FACTOR,
<                              radius / SCALE_FACTOR );
<                     break;
<                 }
< 
<                 case S_ARC:
<                 {
<                     int arcendx, arcendy;
<                     arcendx = PtEdge->m_End0.x - PtEdge->m_Start0.x;
<                     arcendy = PtEdge->m_End0.y - PtEdge->m_Start0.y;
<                     RotatePoint( &arcendx, &arcendy, -PtEdge->GetAngle() );
<                     arcendx += PtEdge->GetStart0().x;
<                     arcendy += PtEdge->GetStart0().y;
<                     if( Yaxis_sign == -1 )
<                     {
<                         // Flipping Y flips the arc direction too
<                         fprintf( aFile, "ARC %g %g %g %g %g %g\n",
<                                  (arcendx) / SCALE_FACTOR,
<                                  (Yaxis_sign * arcendy) / SCALE_FACTOR,
<                                  (PtEdge->m_End0.x) / SCALE_FACTOR,
<                                  (Yaxis_sign * PtEdge->GetEnd0().y) / 
SCALE_FACTOR,
<                                  (PtEdge->GetStart0().x) / SCALE_FACTOR,
<                                  (Yaxis_sign * PtEdge->GetStart0().y) / 
SCALE_FACTOR );
<                     }
<                     else
<                     {
<                         fprintf( aFile, "ARC %g %g %g %g %g %g\n",
<                                  (PtEdge->GetEnd0().x) / SCALE_FACTOR,
<                                  (Yaxis_sign * PtEdge->GetEnd0().y) / 
SCALE_FACTOR,
<                                  (arcendx) / SCALE_FACTOR,
<                                  (Yaxis_sign * arcendy) / SCALE_FACTOR,
<                                  (PtEdge->GetStart0().x) / SCALE_FACTOR,
<                                  (Yaxis_sign * PtEdge->GetStart0().y) / 
SCALE_FACTOR );
<                     }
<                     break;
<                 }
---
>       // Silk outline; wildly interpreted by various importers:
>       // CAM350 read it right but only closed shapes
>       // ProntoPlace double-flip it (at least the pads are correct)
>       // GerberTool usually get it right...
>       for( PtStruct = module->GraphicalItems(); PtStruct != NULL; PtStruct = 
> PtStruct->Next() )
>       {
>               switch( PtStruct->Type() )
>               {
>               case PCB_MODULE_TEXT_T:
> 
>                       // If we wanted to export text, this is not the correct 
> section
>                       break;
> 
>               case PCB_MODULE_EDGE_T:
>                       PtEdge = (EDGE_MODULE*) PtStruct;
>                       if( PtEdge->GetLayer() == SILKSCREEN_N_FRONT
>                               || PtEdge->GetLayer() == SILKSCREEN_N_BACK )
>                       {
>                               switch( PtEdge->GetShape() )
>                               {
>                               case S_SEGMENT:
>                                       fprintf( aFile, "LINE %g %g %g %g\n",
>                                                        (PtEdge->m_Start0.x) / 
> SCALE_FACTOR,
>                                                        (Yaxis_sign * 
> PtEdge->m_Start0.y) / SCALE_FACTOR,
>                                                        (PtEdge->m_End0.x) / 
> SCALE_FACTOR,
>                                                        (Yaxis_sign * 
> PtEdge->m_End0.y ) / SCALE_FACTOR );
>                                       break;
> 
>                               case S_CIRCLE:
>                               {
>                                       int radius = KiROUND( GetLineLength( 
> PtEdge->m_End0,
>                                                                               
>                                  PtEdge->m_Start0 ) );
>                                       fprintf( aFile, "CIRCLE %g %g %g\n",
>                                                        PtEdge->m_Start0.x / 
> SCALE_FACTOR,
>                                                        Yaxis_sign * 
> PtEdge->m_Start0.y / SCALE_FACTOR,
>                                                        radius / SCALE_FACTOR 
> );
>                                       break;
>                               }
> 
>                               case S_ARC:
>                               {
>                                       int arcendx, arcendy;
>                                       arcendx = PtEdge->m_End0.x - 
> PtEdge->m_Start0.x;
>                                       arcendy = PtEdge->m_End0.y - 
> PtEdge->m_Start0.y;
>                                       RotatePoint( &arcendx, &arcendy, 
> -PtEdge->GetAngle() );
>                                       arcendx += PtEdge->GetStart0().x;
>                                       arcendy += PtEdge->GetStart0().y;
>                                       if( Yaxis_sign == -1 )
>                                       {
>                                               // Flipping Y flips the arc 
> direction too
>                                               fprintf( aFile, "ARC %g %g %g 
> %g %g %g\n",
>                                                                (arcendx) / 
> SCALE_FACTOR,
>                                                                (Yaxis_sign * 
> arcendy) / SCALE_FACTOR,
>                                                                
> (PtEdge->m_End0.x) / SCALE_FACTOR,
>                                                                (Yaxis_sign * 
> PtEdge->GetEnd0().y) / SCALE_FACTOR,
>                                                                
> (PtEdge->GetStart0().x) / SCALE_FACTOR,
>                                                                (Yaxis_sign * 
> PtEdge->GetStart0().y) / SCALE_FACTOR );
>                                       }
>                                       else
>                                       {
>                                               fprintf( aFile, "ARC %g %g %g 
> %g %g %g\n",
>                                                                
> (PtEdge->GetEnd0().x) / SCALE_FACTOR,
>                                                                (Yaxis_sign * 
> PtEdge->GetEnd0().y) / SCALE_FACTOR,
>                                                                (arcendx) / 
> SCALE_FACTOR,
>                                                                (Yaxis_sign * 
> arcendy) / SCALE_FACTOR,
>                                                                
> (PtEdge->GetStart0().x) / SCALE_FACTOR,
>                                                                (Yaxis_sign * 
> PtEdge->GetStart0().y) / SCALE_FACTOR );
>                                       }
>                                       break;
>                               }
> 
>                               default:
>                                       DisplayError( NULL, wxT( "Type Edge 
> Module invalid." ) );
>                                       break;
>                               }
>                       }
>                       break;
> 
>               default:
>                       break;
>               }
>       }
> }
1104,1109c1183,1275
<                 default:
<                     DisplayError( NULL, wxT( "Type Edge Module invalid." ) );
<                     break;
<                 }
<             }
<             break;
---
> static void FootprintAddMap( MODULE* module, PCB_EDIT_FRAME* aPcbFrame, 
> MODMAP* ModuleMap, MODMAPITR ModMapItr, MODPTRVECITR ModuleItr )
> {
>       MODULE*         CheckModule;
>       FPID            ModuleFPID;
>       wxString        ModuleName;
>       wxString        CheckModuleName;
>       int                     PadMatch = 0;
>       int                     InLibrary;
>       
>       //Compare to Library
>       ModuleFPID = module->GetFPID();
>       CheckModule = aPcbFrame->LoadFootprint( ModuleFPID );
>       ModuleName = wxString::FromUTF8(module->GetFPID().GetFootprintName());
>       
>       if ( CheckModule == NULL )
>       {
>               //Module mismatch add to new module list
>               (*ModuleMap)[ ModuleName + "_" + ( module->GetReference() ) 
> ].InLib = 0;
>               (*ModuleMap)[ ModuleName + "_" + ( module->GetReference() ) 
> ].Modules.push_back(module);
>       }
>       else
>       {
>               PadMatch = 0;
>               D_PAD* OldPad = module->Pads();
>               for( D_PAD*     pad = CheckModule->Pads(); pad != NULL; pad = 
> pad->Next())
>               {
>                       PadMatch = 0;
>                       for( OldPad = module->Pads(); OldPad != NULL; OldPad = 
> OldPad->Next())
>                       {
>                               if( pad->PadNameEqual( OldPad ) && 
> ComparePadPosition( pad, OldPad ) && ComparePadSize( pad, OldPad ) )
>                               {
>                                       PadMatch = 1;
>                                       break;
>                               }
>                       }
>                       if ( !PadMatch )
>                       {
>                               break;
>                       }
>               }
>       }
>       
>       if( PadMatch )
>       {
>               //Module match add only if not already defined
>               (*ModuleMap)[ ModuleName ].InLib = 1;
>               (*ModuleMap)[ ModuleName ].Modules.push_back( module );
>       }
>       else
>       {
>               PadMatch = 0;
>               //Check to see if exists within the list of differing modules
>               for( ModMapItr = ModuleMap->begin(); ModMapItr != 
> ModuleMap->end(); ModMapItr++ )
>               {
>                       CheckModuleName = ModMapItr->first;
>                       CheckModule = ModMapItr->second.Modules.front();
>                       InLibrary = ModMapItr->second.InLib;
>                       
>                       if ( !InLibrary )
>                       {
>                               D_PAD* OldPad = module->Pads();
>                               for( D_PAD*     pad = CheckModule->Pads(); pad 
> != NULL; pad = pad->Next())
>                               {
>                                       PadMatch = 0;
>                                       for( OldPad = module->Pads(); OldPad != 
> NULL; OldPad = OldPad->Next())
>                                       {
>                                               if( pad->PadNameEqual( OldPad ) 
> && ComparePadPosition( pad, OldPad ) && ComparePadSize( pad, OldPad ) )
>                                               {
>                                                       PadMatch = 1;
>                                                       break;
>                                               }
>                                       }
>                                       if ( !PadMatch )
>                                       {
>                                               break;
>                                       }
>                               }
>                               if( PadMatch )
>                               {
>                                       //Module match add to existing group
>                                       (*ModuleMap)[ CheckModuleName 
> ].Modules.push_back( module );
>                                       break;
>                               }
>                       }
>               }
>               if ( !PadMatch )
>               {
>                       //Module mismatch add to new module list
>                       (*ModuleMap)[ ModuleName + "_" + ( 
> module->GetReference() ) ].InLib = 0;
>                       (*ModuleMap)[ ModuleName + "_" + ( 
> module->GetReference() ) ].Modules.  push_back(module);
>               }
>       }
> }
1111,1114c1277,1279
<         default:
<             break;
<         }
<     }
---
> static int ComparePadPosition( D_PAD* pad, D_PAD* OldPad )
> {
>       return ( ( pad->GetPos0().x == OldPad->GetPos0().x ) && ( 
> pad->GetPos0().y == OldPad->GetPos0().y ) );
1115a1281,1285
> 
> static int ComparePadSize( D_PAD* pad, D_PAD* OldPad )
> {
>       return ( ( pad->GetSize().x == OldPad->GetSize().x ) && ( 
> pad->GetSize().y == OldPad->GetSize().y ) && ( pad->GetDrillSize().x == 
> OldPad->GetDrillSize().x ) && ( pad->GetDrillSize().y == 
> OldPad->GetDrillSize().y ) );
> }
\ No newline at end of file
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