// Sort vias for uniqueness
static int ViaSort( const void* aRefptr, const void* aObjptr )
{
VIA* padref = *(VIA**) aRefptr;
VIA* padcmp = *(VIA**) aObjptr;
if( padref->GetWidth() != padcmp->GetWidth() )
return padref->GetWidth() - padcmp->GetWidth();
if( padref->GetDrillValue() != padcmp->GetDrillValue() )
return padref->GetDrillValue() - padcmp->GetDrillValue();
if( padref->GetLayerSet() != padcmp->GetLayerSet() )
return padref->GetLayerSet().FmtBin().compare( padcmp->GetLayerSet().FmtBin() );
return 0;
}
VIA* TRACK::GetVia( TRACK* aEndTrace, const wxPoint& aPosition, LSET aLayerMask )
{
for( VIA* via = GetFirstVia( this, aEndTrace ); via; via = GetFirstVia( via->Next() ) )
{
if( via->HitTest( aPosition ) &&
!via->GetState( BUSY | IS_DELETED ) &&
( aLayerMask & via->GetLayerSet() ).any()
)
{
return via;
}
}
return NULL;
}
// 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<VIA*> vias;
std::vector<VIA*> viastacks;
padstacks.resize( 1 ); // We count pads from 1
// The master layermask (i.e. the enabled layers) for padstack generation
LSET master_layermask = aPcb->GetDesignSettings().GetEnabledLayers();
int cu_count = aPcb->GetCopperLayerCount();
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( VIA* via = GetFirstVia( aPcb->m_Track ); via;
via = GetFirstVia( via->Next() ) )
{
vias.push_back( via );
}
qsort( &vias[0], vias.size(), sizeof(VIA*), ViaSort );
// Emit vias pads
TRACK* old_via = 0;
for( unsigned i = 0; i < vias.size(); i++ )
{
VIA* 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.%s ROUND %g\nCIRCLE 0 0 %g\n",
via->GetWidth(), via->GetDrillValue(),
fmt_mask( via->GetLayerSet() ).c_str(),
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_SHAPE_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_SHAPE_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_SHAPE_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_SHAPE_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( "$PADSTACKS\n", aFile );
// Via padstacks
for( unsigned i = 0; i < viastacks.size(); i++ )
{
VIA* via = viastacks[i];
LSET mask = via->GetLayerSet() & master_layermask;
fprintf( aFile, "PADSTACK VIA%d.%d.%s %g\n",
via->GetWidth(), via->GetDrillValue(),
fmt_mask( mask ).c_str(),
via->GetDrillValue() / SCALE_FACTOR );
for( LSEQ seq = mask.Seq( gc_seq, DIM( gc_seq ) ); seq; ++seq )
{
LAYER_ID layer = *seq;
fprintf( aFile, "PAD V%d.%d.%s %s 0 0\n",
via->GetWidth(), via->GetDrillValue(),
fmt_mask( mask ).c_str(),
GenCADLayerName( cu_count, layer ).c_str()
);
}
}
/* Component padstacks
* CAM350 don't apply correctly the FLIP semantics for padstacks, i.e. doesn't
* swap the top and bottom layers... so I need to define the shape as MIRRORX
* and define a separate 'flipped' padstack... until it appears yet another
* noncompliant importer */
for( unsigned i = 1; i < padstacks.size(); i++ )
{
D_PAD* pad = padstacks[i];
// Straight padstack
fprintf( aFile, "PADSTACK PAD%u %g\n", i, pad->GetDrillSize().x / SCALE_FACTOR );
LSET pad_set = pad->GetLayerSet() & master_layermask;
// the special gc_seq
for( LSEQ seq = pad_set.Seq( gc_seq, DIM( gc_seq ) ); seq; ++seq )
{
LAYER_ID layer = *seq;
fprintf( aFile, "PAD P%u %s 0 0\n", i, GenCADLayerName( cu_count, layer ).c_str() );
}
// Flipped padstack
fprintf( aFile, "PADSTACK PAD%uF %g\n", i, pad->GetDrillSize().x / SCALE_FACTOR );
// the normal LAYER_ID sequence is inverted from gc_seq[]
for( LSEQ seq = pad_set.Seq(); seq; ++seq )
{
LAYER_ID layer = *seq;
fprintf( aFile, "PAD P%u %s 0 0\n", i, GenCADLayerNameFlipped( cu_count, layer ).c_str() );
}
}
fputs( "$ENDPADSTACKS\n\n", aFile );
}