C++ EDA_RECT::GetHeight方法代码示例

double LIB_EDIT_FRAME::BestZoom()
{
    /* Please, note: wxMSW before version 2.9 seems have
     * problems with zoom values < 1 ( i.e. userscale > 1) and needs to be patched:
     * edit file <wxWidgets>/src/msw/dc.cpp
     * search for line static const int VIEWPORT_EXTENT = 1000;
     * and replace by static const int VIEWPORT_EXTENT = 10000;
     */
    int      dx, dy;
    wxSize   size;
    EDA_RECT BoundaryBox;

    if( m_component )
    {
        BoundaryBox = m_component->GetBoundingBox( m_unit, m_convert );
        dx = BoundaryBox.GetWidth();
        dy = BoundaryBox.GetHeight();
        SetScrollCenterPosition( wxPoint( 0, 0 ) );
    }
    else
    {
        const PAGE_INFO& pageInfo = GetScreen()->GetPageSettings();

        dx = pageInfo.GetSizeIU().x;
        dy = pageInfo.GetSizeIU().y;

        SetScrollCenterPosition( wxPoint( 0, 0 ) );
    }

    size = m_canvas->GetClientSize();

    // Reserve a 10% margin around component bounding box.
    double margin_scale_factor = 0.8;
    double zx =(double) dx / ( margin_scale_factor * (double)size.x );
    double zy = (double) dy / ( margin_scale_factor * (double)size.y );

    double bestzoom = std::max( zx, zy );

    // keep it >= minimal existing zoom (can happen for very small components
    // for instance when starting a new component
    if( bestzoom  < GetScreen()->m_ZoomList[0] )
        bestzoom  = GetScreen()->m_ZoomList[0];

    return bestzoom;
}

double LIB_VIEW_FRAME::BestZoom()
{
    /* Please, note: wxMSW before version 2.9 seems have
     * problems with zoom values < 1 ( i.e. userscale > 1) and needs to be patched:
     * edit file <wxWidgets>/src/msw/dc.cpp
     * search for line static const int VIEWPORT_EXTENT = 1000;
     * and replace by static const int VIEWPORT_EXTENT = 10000;
     */

    LIB_PART*   part = NULL;
    double      bestzoom = 16.0;      // default value for bestzoom
    PART_LIB*   lib = Prj().SchLibs()->FindLibrary( m_libraryName );

    if( lib  )
        part = lib->FindPart( m_entryName );

    if( !part )
    {
        SetScrollCenterPosition( wxPoint( 0, 0 ) );
        return bestzoom;
    }

    wxSize size = m_canvas->GetClientSize();

    EDA_RECT boundingBox = part->GetBoundingBox( m_unit, m_convert );

    // Reserve a 10% margin around component bounding box.
    double margin_scale_factor = 0.8;
    double zx =(double) boundingBox.GetWidth() /
               ( margin_scale_factor * (double)size.x );
    double zy = (double) boundingBox.GetHeight() /
                ( margin_scale_factor * (double)size.y);

    // Calculates the best zoom
    bestzoom = std::max( zx, zy );

    // keep it >= minimal existing zoom (can happen for very small components
    // like small power symbols
    if( bestzoom  < GetScreen()->m_ZoomList[0] )
        bestzoom  = GetScreen()->m_ZoomList[0];

    SetScrollCenterPosition( boundingBox.Centre() );

    return bestzoom;
}

void EDA_DRAW_PANEL::RefreshDrawingRect( const EDA_RECT& aRect, bool aEraseBackground )
{
    INSTALL_UNBUFFERED_DC( dc, this );

    wxRect rect = aRect;

    rect.x = dc.LogicalToDeviceX( rect.x );
    rect.y = dc.LogicalToDeviceY( rect.y );
    rect.width = dc.LogicalToDeviceXRel( rect.width );
    rect.height = dc.LogicalToDeviceYRel( rect.height );

    wxLogTrace( kicadTraceCoords,
                wxT( "Refresh area: drawing (%d, %d, %d, %d), device (%d, %d, %d, %d)" ),
                aRect.GetX(), aRect.GetY(), aRect.GetWidth(), aRect.GetHeight(),
                rect.x, rect.y, rect.width, rect.height );

    RefreshRect( rect, aEraseBackground );
}

double PCB_BASE_FRAME::BestZoom()
{
    if( m_Pcb == NULL )
        return 1.0;

    EDA_RECT    ibbbox  = GetBoardBoundingBox();
    DSIZE       clientz = m_canvas->GetClientSize();
    DSIZE       boardz( ibbbox.GetWidth(), ibbbox.GetHeight() );

    double iu_per_du_X = clientz.x ? boardz.x / clientz.x : 1.0;
    double iu_per_du_Y = clientz.y ? boardz.y / clientz.y : 1.0;

    double bestzoom = std::max( iu_per_du_X, iu_per_du_Y );

    GetScreen()->SetScrollCenterPosition( ibbbox.Centre() );

    return bestzoom;
}

double GERBVIEW_FRAME::BestZoom()
{
    GERBER_DRAW_ITEM* item = GetGerberLayout()->m_Drawings;

    // gives a minimal value to zoom, if no item in list
    if( item == NULL  )
        return ZOOM_FACTOR( 350.0 );

    EDA_RECT bbox = GetGerberLayout()->ComputeBoundingBox();

    wxSize  size = m_canvas->GetClientSize();

    double  x   = (double) bbox.GetWidth() / (double) size.x;
    double  y   = (double) bbox.GetHeight() / (double) size.y;
    SetScrollCenterPosition( bbox.Centre() );

    double  best_zoom = std::max( x, y );
    return best_zoom;
}

double LIB_VIEW_FRAME::BestZoom()
{
    LIB_PART*   part = NULL;
    double      defaultLibraryZoom = 7.33;

    if( m_libraryName.IsEmpty() || m_entryName.IsEmpty() )
    {
        SetScrollCenterPosition( wxPoint( 0, 0 ) );
        return defaultLibraryZoom;
    }

    LIB_ALIAS* alias = nullptr;

    try
    {
        alias = Prj().SchSymbolLibTable()->LoadSymbol( m_libraryName, m_entryName );
    }
    catch( ... )
    {
    }

    if( alias )
        part = alias->GetPart();

    if( !part )
    {
        SetScrollCenterPosition( wxPoint( 0, 0 ) );
        return defaultLibraryZoom;
    }

    EDA_RECT boundingBox = part->GetUnitBoundingBox( m_unit, m_convert );

    double  sizeX  = (double) boundingBox.GetWidth();
    double  sizeY  = (double) boundingBox.GetHeight();
    wxPoint centre = boundingBox.Centre();

    // Reserve a 20% margin around component bounding box.
    double  margin_scale_factor = 1.2;

    return bestZoom( sizeX, sizeY, margin_scale_factor, centre );
}

void WORKSHEET_DATAITEM_TEXT::SetConstrainedTextSize()
{
    m_ConstrainedTextSize = m_TextSize;

    if( m_ConstrainedTextSize.x == 0  )
        m_ConstrainedTextSize.x = m_DefaultTextSize.x;

    if( m_ConstrainedTextSize.y == 0 )
        m_ConstrainedTextSize.y = m_DefaultTextSize.y;

    if( m_BoundingBoxSize.x || m_BoundingBoxSize.y )
    {
        int linewidth = 0;
        // to know the X and Y size of the line, we should use
        // EDA_TEXT::GetTextBox()
        // but this function uses integers
        // So, to avoid truncations with our unit in mm, use microns.
        wxSize size_micron;
        size_micron.x = KiROUND( m_ConstrainedTextSize.x * 1000.0 );
        size_micron.y = KiROUND( m_ConstrainedTextSize.y * 1000.0 );
        WS_DRAW_ITEM_TEXT dummy( WS_DRAW_ITEM_TEXT( this, this->m_FullText,
                                               wxPoint(0,0),
                                               size_micron,
                                               linewidth, BLACK,
                                               IsItalic(), IsBold() ) );
        dummy.SetMultilineAllowed( true );
        TransfertSetupToGraphicText( &dummy );
        EDA_RECT rect = dummy.GetTextBox();
        DSIZE size;
        size.x = rect.GetWidth() / 1000.0;
        size.y = rect.GetHeight() / 1000.0;

        if( m_BoundingBoxSize.x && size.x > m_BoundingBoxSize.x )
            m_ConstrainedTextSize.x *= m_BoundingBoxSize.x / size.x;

        if( m_BoundingBoxSize.y &&  size.y > m_BoundingBoxSize.y )
            m_ConstrainedTextSize.y *= m_BoundingBoxSize.y / size.y;
    }
}

double LIB_EDIT_FRAME::BestZoom()
{
    LIB_PART*  part = GetCurPart();
    double     defaultLibraryZoom = 7.33;

    if( !part )
    {
        SetScrollCenterPosition( wxPoint( 0, 0 ) );
        return defaultLibraryZoom;
    }

    EDA_RECT boundingBox = part->GetUnitBoundingBox( m_unit, m_convert );

    double  sizeX  = (double) boundingBox.GetWidth();
    double  sizeY  = (double) boundingBox.GetHeight();
    wxPoint centre = boundingBox.Centre();

    // Reserve a 20% margin around component bounding box.
    double margin_scale_factor = 1.2;

    return bestZoom( sizeX, sizeY, margin_scale_factor, centre);
}

/*
 * Draw (on m_panelShowPin) the pin currently edited
 * accroding to current settings in dialog
 */
void DIALOG_LIB_EDIT_PIN::OnPaintShowPanel( wxPaintEvent& event )
{
    wxPaintDC    dc( m_panelShowPin );
    wxSize dc_size = dc.GetSize();
    dc.SetDeviceOrigin( dc_size.x / 2, dc_size.y / 2 );

    // Give a parent to m_dummyPin only from draw purpose.
    // In fact m_dummyPin should not have a parent, but draw functions need a parent
    // to know some options, about pin texts
    LIB_EDIT_FRAME* libframe = (LIB_EDIT_FRAME*) GetParent();
    m_dummyPin->SetParent( libframe->GetCurPart() );

    // Calculate a suitable scale to fit the available draw area
    EDA_RECT bBox = m_dummyPin->GetBoundingBox();
    double xscale    = (double) dc_size.x / bBox.GetWidth();
    double yscale = (double) dc_size.y / bBox.GetHeight();
    double scale = std::min( xscale, yscale );

    // Give a 10% margin
    scale *= 0.9;
    dc.SetUserScale( scale, scale );

    wxPoint offset = -bBox.Centre();

    GRResetPenAndBrush( &dc );

    // This is a flag for m_dummyPin->Draw
    uintptr_t flags = uintptr_t( PIN_DRAW_TEXTS | PIN_DRAW_DANGLING );

    m_dummyPin->Draw( NULL, &dc, offset, COLOR4D::UNSPECIFIED, GR_COPY,
                      (void*)flags, DefaultTransform );

    m_dummyPin->SetParent(NULL);

    event.Skip();
}

EDA_RECT PCB_BASE_FRAME::GetBoardBoundingBox( bool aBoardEdgesOnly ) const
{
    wxASSERT( m_Pcb );

    EDA_RECT area = m_Pcb->ComputeBoundingBox( aBoardEdgesOnly );

    if( area.GetWidth() == 0 && area.GetHeight() == 0 )
    {
        wxSize pageSize = GetPageSizeIU();

        if( m_showBorderAndTitleBlock )
        {
            area.SetOrigin( 0, 0 );
            area.SetEnd( pageSize.x, pageSize.y );
        }
        else
        {
            area.SetOrigin( -pageSize.x / 2, -pageSize.y / 2 );
            area.SetEnd( pageSize.x / 2, pageSize.y / 2 );
        }
    }

    return area;
}

int genPlacementRoutingMatrix( BOARD* aBrd, EDA_MSG_PANEL* messagePanel )
{
    wxString msg;

    RoutingMatrix.UnInitRoutingMatrix();

    EDA_RECT bbox = aBrd->ComputeBoundingBox( true );

    if( bbox.GetWidth() == 0 || bbox.GetHeight() == 0 )
    {
        DisplayError( NULL, _( "No PCB edge found, unknown board size!" ) );
        return 0;
    }

    RoutingMatrix.ComputeMatrixSize( aBrd, true );
    int nbCells = RoutingMatrix.m_Ncols * RoutingMatrix.m_Nrows;

    messagePanel->EraseMsgBox();
    msg.Printf( wxT( "%d" ), RoutingMatrix.m_Ncols );
    messagePanel->SetMessage( 1, _( "Cols" ), msg, GREEN );
    msg.Printf( wxT( "%d" ), RoutingMatrix.m_Nrows );
    messagePanel->SetMessage( 7, _( "Lines" ), msg, GREEN );
    msg.Printf( wxT( "%d" ), nbCells );
    messagePanel->SetMessage( 14, _( "Cells." ), msg, YELLOW );

    // Choose the number of board sides.
    RoutingMatrix.m_RoutingLayersCount = 2;

    RoutingMatrix.InitRoutingMatrix();

    // Display memory usage.
    msg.Printf( wxT( "%d" ), RoutingMatrix.m_MemSize / 1024 );
    messagePanel->SetMessage( 24, wxT( "Mem(Kb)" ), msg, CYAN );

    g_Route_Layer_BOTTOM = F_Cu;

    if( RoutingMatrix.m_RoutingLayersCount > 1 )
        g_Route_Layer_BOTTOM = B_Cu;

    g_Route_Layer_TOP = F_Cu;

    // Place the edge layer segments
    TRACK TmpSegm( NULL );

    TmpSegm.SetLayer( UNDEFINED_LAYER );
    TmpSegm.SetNetCode( -1 );
    TmpSegm.SetWidth( RoutingMatrix.m_GridRouting / 2 );

    EDA_ITEM* PtStruct = aBrd->m_Drawings;

    for( ; PtStruct != NULL; PtStruct = PtStruct->Next() )
    {
        DRAWSEGMENT* DrawSegm;

        switch( PtStruct->Type() )
        {
        case PCB_LINE_T:
            DrawSegm = (DRAWSEGMENT*) PtStruct;

            if( DrawSegm->GetLayer() != Edge_Cuts )
                break;

            TraceSegmentPcb( DrawSegm, HOLE | CELL_is_EDGE,
                             RoutingMatrix.m_GridRouting, WRITE_CELL );
            break;

        case PCB_TEXT_T:
        default:
            break;
        }
    }

    // Mark cells of the routing matrix to CELL_is_ZONE
    // (i.e. availlable cell to place a module )
    // Init a starting point of attachment to the area.
    RoutingMatrix.OrCell( RoutingMatrix.m_Nrows / 2, RoutingMatrix.m_Ncols / 2,
                          BOTTOM, CELL_is_ZONE );

    // find and mark all other availlable cells:
    for( int ii = 1; ii != 0; )
        ii = propagate();

    // Initialize top layer. to the same value as the bottom layer
    if( RoutingMatrix.m_BoardSide[TOP] )
        memcpy( RoutingMatrix.m_BoardSide[TOP], RoutingMatrix.m_BoardSide[BOTTOM],
                nbCells * sizeof(MATRIX_CELL) );

    return 1;
}

void BOARD_PRINTOUT_CONTROLLER::DrawPage()
{
    wxPoint       offset;
    double        userscale;
    EDA_RECT      boardBoundingBox;
    EDA_RECT      drawRect;
    wxDC*         dc = GetDC();
    BASE_SCREEN*  screen = m_Parent->GetScreen();
    bool          printMirror = m_PrintParams.m_PrintMirror;
    wxSize        pageSizeIU = m_Parent->GetPageSizeIU();

    wxBusyCursor  dummy;

#if defined (PCBNEW)
    BOARD * brd = ((PCB_BASE_FRAME*) m_Parent)->GetBoard();
    boardBoundingBox = brd->ComputeBoundingBox();
    wxString titleblockFilename = brd->GetFileName();
#elif defined (GERBVIEW)
    boardBoundingBox = ((GERBVIEW_FRAME*) m_Parent)->GetGerberLayoutBoundingBox();
    wxString titleblockFilename;    // TODO see if we uses the gerber file name
#else
    #error BOARD_PRINTOUT_CONTROLLER::DrawPage() works only for PCBNEW or GERBVIEW
#endif

    // Use the page size as the drawing area when the board is shown or the user scale
    // is less than 1.
    if( m_PrintParams.PrintBorderAndTitleBlock() )
        boardBoundingBox = EDA_RECT( wxPoint( 0, 0 ), pageSizeIU );

    wxLogTrace( tracePrinting, wxT( "Drawing bounding box:                 x=%d, y=%d, w=%d, h=%d" ),
                boardBoundingBox.GetX(), boardBoundingBox.GetY(),
                boardBoundingBox.GetWidth(), boardBoundingBox.GetHeight() );

    // Compute the PCB size in internal units
    userscale = m_PrintParams.m_PrintScale;

    if( m_PrintParams.m_PrintScale == 0 )   //  fit in page option
    {
        if(boardBoundingBox.GetWidth() && boardBoundingBox.GetHeight())
        {
            int margin = Millimeter2iu( 10.0 ); // add a margin around the drawings
            double scaleX = (double)(pageSizeIU.x - (2 * margin)) /
                            boardBoundingBox.GetWidth();
            double scaleY = (double)(pageSizeIU.y - (2 * margin)) /
                            boardBoundingBox.GetHeight();
            userscale = (scaleX < scaleY) ? scaleX : scaleY;
        }
        else
            userscale = 1.0;
    }

    wxSize scaledPageSize = pageSizeIU;
    drawRect.SetSize( scaledPageSize );
    scaledPageSize.x = wxRound( scaledPageSize.x / userscale );
    scaledPageSize.y = wxRound( scaledPageSize.y / userscale );


    if( m_PrintParams.m_PageSetupData )
    {
        wxLogTrace( tracePrinting, wxT( "Fit size to page margins:         x=%d, y=%d" ),
                    scaledPageSize.x, scaledPageSize.y );

        // Always scale to the size of the paper.
        FitThisSizeToPageMargins( scaledPageSize, *m_PrintParams.m_PageSetupData );
    }

    // Compute Accurate scale 1
    if( m_PrintParams.m_PrintScale == 1.0 )
    {
        // We want a 1:1 scale, regardless the page setup
        // like page size, margin ...
        MapScreenSizeToPaper(); // set best scale and offset (scale is not used)
        int w, h;
        GetPPIPrinter( &w, &h );
        double accurate_Xscale = (double) w / (IU_PER_MILS*1000);
        double accurate_Yscale = (double) h / (IU_PER_MILS*1000);

        if( IsPreview() )  // Scale must take in account the DC size in Preview
        {
            // Get the size of the DC in pixels
            wxSize       PlotAreaSize;
            dc->GetSize( &PlotAreaSize.x, &PlotAreaSize.y );
            GetPageSizePixels( &w, &h );
            accurate_Xscale *= (double)PlotAreaSize.x / w;
            accurate_Yscale *= (double)PlotAreaSize.y / h;
        }
        // Fine scale adjust
        accurate_Xscale *= m_PrintParams.m_XScaleAdjust;
        accurate_Yscale *= m_PrintParams.m_YScaleAdjust;

        // Set print scale for 1:1 exact scale
        dc->SetUserScale( accurate_Xscale, accurate_Yscale );
    }

    // Get the final size of the DC in pixels
    wxSize       PlotAreaSizeInPixels;
    dc->GetSize( &PlotAreaSizeInPixels.x, &PlotAreaSizeInPixels.y );
    wxLogTrace( tracePrinting, wxT( "Plot area in pixels:              x=%d, y=%d" ),
                PlotAreaSizeInPixels.x, PlotAreaSizeInPixels.y );
    double scalex, scaley;
//.........这里部分代码省略.........

//.........这里部分代码省略.........
        {

        wxPoint poly[4];
        BuildPadPolygon( poly, wxSize( 0, 0 ), 0 );

        wxPoint corners[4];

        corners[0] = wxPoint( arect.GetLeft(),  arect.GetTop() );
        corners[1] = wxPoint( arect.GetRight(), arect.GetTop() );
        corners[2] = wxPoint( arect.GetRight(), arect.GetBottom() );
        corners[3] = wxPoint( arect.GetLeft(),  arect.GetBottom() );

        for( int i=0; i<4; i++ )
        {
            RotatePoint( &poly[i], m_Orient );
            poly[i] += shapePos;
        }

        for( int ii=0; ii<4; ii++ )
        {
            if( TestPointInsidePolygon( poly, 4, corners[ii] ) )
            {
                return true;
            }

            if( arect.Contains( poly[ii] ) )
            {
                return true;
            }

            if( arect.Intersects( poly[ii], poly[(ii+1) % 4] ) )
            {
                return true;
            }
        }

        return false;

        }
    case PAD_SHAPE_ROUNDRECT:
        /* RoundRect intersection can be broken up into simple tests:
         * a) Test intersection of horizontal rect
         * b) Test intersection of vertical rect
         * c) Test intersection of each corner
         */


        r = GetRoundRectCornerRadius();

        /* Test A - intersection of horizontal rect */
        shapeRect.SetSize( 0, 0 );
        shapeRect.SetOrigin( shapePos );
        shapeRect.Inflate( m_Size.x / 2, m_Size.y / 2 - r );

        // Short-circuit test for zero width or height
        if( shapeRect.GetWidth() > 0 && shapeRect.GetHeight() > 0 &&
            arect.Intersects( shapeRect, m_Orient ) )
        {
            return true;
        }

        /* Test B - intersection of vertical rect */
        shapeRect.SetSize( 0, 0 );
        shapeRect.SetOrigin( shapePos );
        shapeRect.Inflate( m_Size.x / 2 - r, m_Size.y / 2 );

        // Short-circuit test for zero width or height
        if( shapeRect.GetWidth() > 0 && shapeRect.GetHeight() > 0 &&
            arect.Intersects( shapeRect, m_Orient ) )
        {
            return true;
        }

        /* Test C - intersection of each corner */

        endCenter = wxPoint( m_Size.x / 2 - r, m_Size.y / 2 - r );
        RotatePoint( &endCenter, m_Orient );

        if( arect.IntersectsCircle( shapePos + endCenter, r ) ||
            arect.IntersectsCircle( shapePos - endCenter, r ) )
        {
            return true;
        }

        endCenter = wxPoint( m_Size.x / 2 - r, -m_Size.y / 2 + r );
        RotatePoint( &endCenter, m_Orient );

        if( arect.IntersectsCircle( shapePos + endCenter, r ) ||
            arect.IntersectsCircle( shapePos - endCenter, r ) )
        {
            return true;
        }

        break;
    default:
        break;
    }

    return false;
}

bool GENDRILL_WRITER_BASE::genDrillMapFile( const wxString& aFullFileName,
                                            PlotFormat aFormat )
{
    // Remark:
    // Hole list must be created before calling this function, by buildHolesList(),
    // for the right holes set (PTH, NPTH, buried/blind vias ...)

    double          scale = 1.0;
    wxPoint         offset;
    PLOTTER*        plotter = NULL;
    PAGE_INFO dummy( PAGE_INFO::A4, false );

    PCB_PLOT_PARAMS plot_opts;  // starts plotting with default options

    LOCALE_IO       toggle;     // use standard C notation for float numbers

    const PAGE_INFO& page_info =  m_pageInfo ? *m_pageInfo : dummy;

    // Calculate dimensions and center of PCB
    EDA_RECT        bbbox = m_pcb->GetBoardEdgesBoundingBox();

    // Calculate the scale for the format type, scale 1 in HPGL, drawing on
    // an A4 sheet in PS, + text description of symbols
    switch( aFormat )
    {
    case PLOT_FORMAT_GERBER:
        offset  = GetOffset();
        plotter = new GERBER_PLOTTER();
        plotter->SetViewport( offset, IU_PER_MILS/10, scale, false );
        plotter->SetGerberCoordinatesFormat( 5 );   // format x.5 unit = mm
        break;

    case PLOT_FORMAT_HPGL:    // Scale for HPGL format.
    {
        HPGL_PLOTTER* hpgl_plotter = new HPGL_PLOTTER;
        plotter = hpgl_plotter;
        hpgl_plotter->SetPenNumber( plot_opts.GetHPGLPenNum() );
        hpgl_plotter->SetPenSpeed( plot_opts.GetHPGLPenSpeed() );
        plotter->SetPageSettings( page_info );
        plotter->SetViewport( offset, IU_PER_MILS/10, scale, false );
    }
        break;


    default:
        wxASSERT( false );
        // fall through
    case PLOT_FORMAT_PDF:
    case PLOT_FORMAT_POST:
    {
        PAGE_INFO   pageA4( wxT( "A4" ) );
        wxSize      pageSizeIU = pageA4.GetSizeIU();

        // Reserve a margin around the page.
        int         margin = KiROUND( 20 * IU_PER_MM );

        // Calculate a scaling factor to print the board on the sheet
        double      Xscale = double( pageSizeIU.x - ( 2 * margin ) ) / bbbox.GetWidth();

        // We should print the list of drill sizes, so reserve room for it
        // 60% height for board 40% height for list
        int     ypagesize_for_board = KiROUND( pageSizeIU.y * 0.6 );
        double  Yscale = double( ypagesize_for_board - margin ) / bbbox.GetHeight();

        scale = std::min( Xscale, Yscale );

        // Experience shows the scale should not to large, because texts
        // create problem (can be to big or too small).
        // So the scale is clipped at 3.0;
        scale = std::min( scale, 3.0 );

        offset.x    = KiROUND( double( bbbox.Centre().x ) -
                               ( pageSizeIU.x / 2.0 ) / scale );
        offset.y    = KiROUND( double( bbbox.Centre().y ) -
                               ( ypagesize_for_board / 2.0 ) / scale );

        if( aFormat == PLOT_FORMAT_PDF )
            plotter = new PDF_PLOTTER;
        else
            plotter = new PS_PLOTTER;

        plotter->SetPageSettings( pageA4 );
        plotter->SetViewport( offset, IU_PER_MILS/10, scale, false );
    }
        break;

    case PLOT_FORMAT_DXF:
    {
        DXF_PLOTTER* dxf_plotter = new DXF_PLOTTER;
        plotter = dxf_plotter;
        plotter->SetPageSettings( page_info );
        plotter->SetViewport( offset, IU_PER_MILS/10, scale, false );
    }
        break;

    case PLOT_FORMAT_SVG:
    {
        SVG_PLOTTER* svg_plotter = new SVG_PLOTTER;
        plotter = svg_plotter;
        plotter->SetPageSettings( page_info );
//.........这里部分代码省略.........

//.........这里部分代码省略.........
            // Create holes, that are the mirrored from the previous holes
            for( unsigned ic = 0; ic < corners_buffer.size(); ic++ )
            {
                wxPoint swap = corners_buffer[ic];
                swap.x = -swap.x;
                corners_buffer[ic] = swap;
            }

            // Now add corner 4 and 2 (2 is the corner 4 rotated by 180 deg
            for( int irect = 0; irect < 2; irect++ )
            {
                aCornerBuffer.NewOutline();

                for( unsigned ic = 0; ic < corners_buffer.size(); ic++ )
                {
                    wxPoint cpos = corners_buffer[ic];
                    RotatePoint( &cpos, angle );
                    cpos += padShapePos;
                    aCornerBuffer.Append( cpos.x, cpos.y );
                }

                angle = AddAngles( angle, 1800 );
            }
        }
        break;

    case PAD_SHAPE_TRAPEZOID:
        {
        SHAPE_POLY_SET antipad;       // The full antipad area

        // We need a length to build the stubs of the thermal reliefs
        // the value is not very important. The pad bounding box gives a reasonable value
        EDA_RECT bbox = aPad.GetBoundingBox();
        int stub_len = std::max( bbox.GetWidth(), bbox.GetHeight() );

        aPad.TransformShapeWithClearanceToPolygon( antipad, aThermalGap );

        SHAPE_POLY_SET stub;          // A basic stub ( a rectangle)
        SHAPE_POLY_SET stubs;        // the full stubs shape


        // We now substract the stubs (connections to the copper zone)
        //ClipperLib::Clipper clip_engine;
        // Prepare a clipping transform
        //clip_engine.AddPath( antipad, ClipperLib::ptSubject, true );

        // Create stubs and add them to clipper engine
        wxPoint stubBuffer[4];
        stubBuffer[0].x = stub_len;
        stubBuffer[0].y = copper_thickness.y/2;
        stubBuffer[1] = stubBuffer[0];
        stubBuffer[1].y = -copper_thickness.y/2;
        stubBuffer[2] = stubBuffer[1];
        stubBuffer[2].x = -stub_len;
        stubBuffer[3] = stubBuffer[2];
        stubBuffer[3].y = copper_thickness.y/2;

        stub.NewOutline();

        for( unsigned ii = 0; ii < arrayDim( stubBuffer ); ii++ )
        {
            wxPoint cpos = stubBuffer[ii];
            RotatePoint( &cpos, aPad.GetOrientation() );
            cpos += padShapePos;
            stub.Append( cpos.x, cpos.y );
        }