示例#1
0
/* This function is used to extract a board outlines (3D view, automatic zones build ...)
 * Any closed outline inside the main outline is a hole
 * All contours should be closed, i.e. valid closed polygon vertices
 */
bool BuildBoardPolygonOutlines( BOARD* aBoard, SHAPE_POLY_SET& aOutlines,
        wxString* aErrorText, unsigned int aTolerance, wxPoint* aErrorLocation )
{
    PCB_TYPE_COLLECTOR  items;

    // Get all the DRAWSEGMENTS and module graphics into 'items',
    // then keep only those on layer == Edge_Cuts.
    static const KICAD_T  scan_graphics[] = { PCB_LINE_T, PCB_MODULE_EDGE_T, EOT };
    items.Collect( aBoard, scan_graphics );

    // Make a working copy of aSegList, because the list is modified during calculations
    std::vector< DRAWSEGMENT* > segList;

    for( int ii = 0; ii < items.GetCount(); ii++ )
    {
        if( items[ii]->GetLayer() == Edge_Cuts )
            segList.push_back( static_cast< DRAWSEGMENT* >( items[ii] ) );
    }

    bool success = ConvertOutlineToPolygon( segList, aOutlines, aErrorText, aTolerance, aErrorLocation );

    if( !success || !aOutlines.OutlineCount() )
    {
        // Creates a valid polygon outline is not possible.
        // So uses the board edge cuts bounding box to create a
        // rectangular outline
        // When no edge cuts items, build a contour
        // from global bounding box

        EDA_RECT bbbox = aBoard->GetBoardEdgesBoundingBox();

        // If null area, uses the global bounding box.
        if( ( bbbox.GetWidth() ) == 0 || ( bbbox.GetHeight() == 0 ) )
            bbbox = aBoard->ComputeBoundingBox();

        // Ensure non null area. If happen, gives a minimal size.
        if( ( bbbox.GetWidth() ) == 0 || ( bbbox.GetHeight() == 0 ) )
            bbbox.Inflate( Millimeter2iu( 1.0 ) );

        aOutlines.RemoveAllContours();
        aOutlines.NewOutline();

        wxPoint corner;
        aOutlines.Append( bbbox.GetOrigin() );

        corner.x = bbbox.GetOrigin().x;
        corner.y = bbbox.GetEnd().y;
        aOutlines.Append( corner );

        aOutlines.Append( bbbox.GetEnd() );

        corner.x = bbbox.GetEnd().x;
        corner.y = bbbox.GetOrigin().y;
        aOutlines.Append( corner );
    }

    return success;
}
示例#2
0
std::vector<LAYER_PAIR> EXCELLON_WRITER::getUniqueLayerPairs() const
{
    wxASSERT( m_pcb );

    static const KICAD_T interesting_stuff_to_collect[] = {
        PCB_VIA_T,
        EOT
    };

    PCB_TYPE_COLLECTOR  vias;

    vias.Collect( m_pcb, interesting_stuff_to_collect );

    std::set< LAYER_PAIR >  unique;

    LAYER_PAIR  layer_pair;

    for( int i = 0; i < vias.GetCount(); ++i )
    {
        VIA*  v = (VIA*) vias[i];

        v->LayerPair( &layer_pair.first, &layer_pair.second );

        // only make note of blind buried.
        // thru hole is placed unconditionally as first in fetched list.
        if( layer_pair != LAYER_PAIR( F_Cu, B_Cu ) )
        {
            unique.insert( layer_pair );
        }
    }

    std::vector<LAYER_PAIR>    ret;

    ret.push_back( LAYER_PAIR( F_Cu, B_Cu ) );      // always first in returned list

    for( std::set< LAYER_PAIR >::const_iterator it = unique.begin();  it != unique.end(); ++it )
        ret.push_back( *it );

    return ret;
}