C++ LSET::count方法代码示例

wxString LayerMaskDescribe( const BOARD *aBoard, LSET aMask )
{
    // Try to be smart and useful.  Check all copper first.
    if( aMask[F_Cu] && aMask[B_Cu] )
        return _( "All copper layers" );

    // Check for copper.
    auto layer = aBoard->GetEnabledLayers().AllCuMask() & aMask;

    for( int i = 0; i < 2; i++ )
    {
        for( int bit = PCBNEW_LAYER_ID_START; bit < PCB_LAYER_ID_COUNT; ++bit )
        {
            if( layer[ bit ] )
            {
                wxString layerInfo = aBoard->GetLayerName( static_cast<PCB_LAYER_ID>( bit ) );

                if( aMask.count() > 1 )
                    layerInfo << _( " and others" );

                return layerInfo;
            }
        }

        // No copper; check for technicals.
        layer = aBoard->GetEnabledLayers().AllTechMask() & aMask;
    }

    // No copper, no technicals: no layer
    return _( "no layers" );
}

bool BOARD_PRINTOUT_CONTROLLER::OnPrintPage( int aPage )
{
    LSET lset = m_PrintParams.m_PrintMaskLayer;
    int pageCount = lset.count();
    wxString layer;
    LAYER_ID extractLayer;

    // compute layer mask from page number if we want one page per layer
    if( m_PrintParams.m_OptionPrintPage == 0 )  // One page per layer
    {
        // This sequence is TBD, call a different
        // sequencer if needed, such as Seq().  Could not find documentation on
        // page order.
        LSEQ seq = lset.UIOrder();

        // aPage starts at 1, not 0
        if( unsigned( aPage-1 ) < seq.size() )
            m_PrintParams.m_PrintMaskLayer = LSET( seq[aPage-1] );
    }

    if( !m_PrintParams.m_PrintMaskLayer.any() )
        return false;

    extractLayer = m_PrintParams.m_PrintMaskLayer.ExtractLayer();
    if( extractLayer == UNDEFINED_LAYER )
        layer = _( "Multiple Layers" );
    else
        layer = LSET::Name( extractLayer );

    // In Pcbnew we can want the layer EDGE always printed
    if( m_PrintParams.m_Flags == 1 )
        m_PrintParams.m_PrintMaskLayer.set( Edge_Cuts );

    DrawPage( layer, aPage, pageCount );

    m_PrintParams.m_PrintMaskLayer = lset;

    return true;
}

void DIALOG_LAYERS_SETUP::OnPresetsChoice( wxCommandEvent& event )
{
    unsigned presetNdx = m_PresetsChoice->GetCurrentSelection();

    if( presetNdx == 0 )        // the Custom setting controls nothing.
        return;

    if( presetNdx < DIM(presets) )
    {
        m_EnabledLayers = presets[ presetNdx ];

        LSET copperSet = m_EnabledLayers & LSET::AllCuMask();

        int copperCount = copperSet.count();

        m_CopperLayerCount = copperCount;

        showCopperChoice( m_CopperLayerCount );

        showSelectedLayerCheckBoxes( m_EnabledLayers );

        setCopperLayerCheckBoxes( m_CopperLayerCount );
    }
}