void DRAWSEGMENT::Draw( EDA_DRAW_PANEL* panel, wxDC* DC, GR_DRAWMODE draw_mode,
                        const wxPoint& aOffset )
{
    int ux0, uy0, dx, dy;
    int l_trace;
    int mode;
    int radius;
    LAYER_NUM curr_layer = ( (PCB_SCREEN*) panel->GetScreen() )->m_Active_Layer;
    EDA_COLOR_T color;

    BOARD * brd =  GetBoard( );

    if( brd->IsLayerVisible( GetLayer() ) == false )
        return;

    color = brd->GetLayerColor( GetLayer() );

    if( ( draw_mode & GR_ALLOW_HIGHCONTRAST ) &&  DisplayOpt.ContrastModeDisplay )
    {
        if( !IsOnLayer( curr_layer ) && !IsOnLayer( EDGE_N ) )
            ColorTurnToDarkDarkGray( &color );
    }


    GRSetDrawMode( DC, draw_mode );
    l_trace = m_Width >> 1;  /* half trace width */

    // Line start point or Circle and Arc center
    ux0 = m_Start.x + aOffset.x;
    uy0 = m_Start.y + aOffset.y;

    // Line end point or circle and arc start point
    dx = m_End.x + aOffset.x;
    dy = m_End.y + aOffset.y;

    mode = DisplayOpt.DisplayDrawItems;

    if( m_Flags & FORCE_SKETCH )
        mode = SKETCH;

    if( DC->LogicalToDeviceXRel( l_trace ) <= MIN_DRAW_WIDTH )
        mode = LINE;

    switch( m_Shape )
    {
    case S_CIRCLE:
        radius = KiROUND( Distance( ux0, uy0, dx, dy ) );

        if( mode == LINE )
        {
            GRCircle( panel->GetClipBox(), DC, ux0, uy0, radius, color );
        }
        else if( mode == SKETCH )
        {
            GRCircle( panel->GetClipBox(), DC, ux0, uy0, radius - l_trace, color );
            GRCircle( panel->GetClipBox(), DC, ux0, uy0, radius + l_trace, color );
        }
        else
        {
            GRCircle( panel->GetClipBox(), DC, ux0, uy0, radius, m_Width, color );
        }

        break;

    case S_ARC:
        double StAngle, EndAngle;
        radius   = KiROUND( Distance( ux0, uy0, dx, dy ) );
        StAngle  = ArcTangente( dy - uy0, dx - ux0 );
        EndAngle = StAngle + m_Angle;

        if( !panel->GetPrintMirrored() )
        {
            if( StAngle > EndAngle )
                EXCHG( StAngle, EndAngle );
        }
        else    // Mirrored mode: arc orientation is reversed
        {
            if( StAngle < EndAngle )
                EXCHG( StAngle, EndAngle );
        }


        if( mode == LINE )
            GRArc( panel->GetClipBox(), DC, ux0, uy0, StAngle, EndAngle, radius, color );

        else if( mode == SKETCH )
        {
            GRArc( panel->GetClipBox(), DC, ux0, uy0, StAngle, EndAngle,
                   radius - l_trace, color );
            GRArc( panel->GetClipBox(), DC, ux0, uy0, StAngle, EndAngle,
                   radius + l_trace, color );
        }
        else
        {
            GRArc( panel->GetClipBox(), DC, ux0, uy0, StAngle, EndAngle,
                   radius, m_Width, color );
        }
        break;

    case S_CURVE:
//.........这里部分代码省略.........

void PCB_EDIT_FRAME::ReadPcbNetlist( const wxString& aNetlistFileName,
                                     const wxString& aCmpFileName,
                                     REPORTER*       aReporter,
                                     bool            aChangeFootprints,
                                     bool            aDeleteUnconnectedTracks,
                                     bool            aDeleteExtraFootprints,
                                     bool            aSelectByTimeStamp,
                                     bool            aDeleteSinglePadNets,
                                     bool            aIsDryRun )
{
    wxString        msg;
    NETLIST         netlist;
    NETLIST_READER* netlistReader;

    netlist.SetIsDryRun( aIsDryRun );
    netlist.SetFindByTimeStamp( aSelectByTimeStamp );
    netlist.SetDeleteExtraFootprints( aDeleteExtraFootprints );
    netlist.SetReplaceFootprints( aChangeFootprints );

    try
    {
        netlistReader = NETLIST_READER::GetNetlistReader( &netlist, aNetlistFileName,
                                                          aCmpFileName );

        if( netlistReader == NULL )
        {
            msg.Printf( _( "Cannot open netlist file \"%s\"." ), GetChars( aNetlistFileName ) );
            wxMessageBox( msg, _( "Netlist Load Error." ), wxOK | wxICON_ERROR, this );
            return;
        }

        std::auto_ptr< NETLIST_READER > nlr( netlistReader );
        SetLastNetListRead( aNetlistFileName );
        netlistReader->LoadNetlist();
        loadFootprints( netlist, aReporter );
    }
    catch( const IO_ERROR& ioe )
    {
        msg.Printf( _( "Error loading netlist.\n%s" ), ioe.errorText.GetData() );
        wxMessageBox( msg, _( "Netlist Load Error" ), wxOK | wxICON_ERROR );
        return;
    }

    // Clear undo and redo lists to avoid inconsistencies between lists
    if( !netlist.IsDryRun() )
        GetScreen()->ClearUndoRedoList();

    netlist.SortByReference();
    GetBoard()->ReplaceNetlist( netlist, aDeleteSinglePadNets, aReporter );

    // If it was a dry run, nothing has changed so we're done.
    if( netlist.IsDryRun() )
        return;

    OnModify();

    SetCurItem( NULL );

    if( aDeleteUnconnectedTracks && GetBoard()->m_Track )
    {
        // Remove erroneous tracks.  This should probably pushed down to the #BOARD object.
        RemoveMisConnectedTracks();
    }

    // Rebuild the board connectivity:
    Compile_Ratsnest( NULL, true );
    SetMsgPanel( GetBoard() );
    m_canvas->Refresh();
}

void FOOTPRINT_EDIT_FRAME::OnLeftClick( wxDC* DC, const wxPoint& MousePos )
{
    BOARD_ITEM* item = GetCurItem();

    m_canvas->CrossHairOff( DC );

    if( GetToolId() == ID_NO_TOOL_SELECTED )
    {
        if( item && item->GetFlags() ) // Move item command in progress
        {
            switch( item->Type() )
            {
            case PCB_MODULE_TEXT_T:
                PlaceTexteModule( (TEXTE_MODULE*) item, DC );
                break;

            case PCB_MODULE_EDGE_T:
                SaveCopyInUndoList( GetBoard()->m_Modules, UR_MODEDIT );
                Place_EdgeMod( (EDGE_MODULE*) item );
                break;

            case PCB_PAD_T:
                PlacePad( (D_PAD*) item, DC );
                break;

            default:
            {
                wxString msg;
                msg.Printf( wxT( "WinEDA_ModEditFrame::OnLeftClick err:Struct %d, m_Flag %X" ),
                            item->Type(), item->GetFlags() );
                DisplayError( this, msg );
                item->ClearFlags();
                break;
            }
            }
        }

        else
        {
            if( !wxGetKeyState( WXK_SHIFT ) && !wxGetKeyState( WXK_ALT )
               && !wxGetKeyState( WXK_CONTROL ) )
                item = ModeditLocateAndDisplay();

            SetCurItem( item );
        }
    }

    item = GetCurItem();
    bool no_item_edited = item == NULL || item->GetFlags() == 0;

    switch( GetToolId() )
    {
    case ID_NO_TOOL_SELECTED:
        break;

    case ID_MODEDIT_CIRCLE_TOOL:
    case ID_MODEDIT_ARC_TOOL:
    case ID_MODEDIT_LINE_TOOL:
        if( no_item_edited )
        {
            STROKE_T shape = S_SEGMENT;

            if( GetToolId() == ID_MODEDIT_CIRCLE_TOOL )
                shape = S_CIRCLE;

            if( GetToolId() == ID_MODEDIT_ARC_TOOL )
                shape = S_ARC;

            SetCurItem( Begin_Edge_Module( (EDGE_MODULE*) NULL, DC, shape ) );
        }
        else if( item->IsNew() )
        {
            if( ( (EDGE_MODULE*) item )->GetShape() == S_CIRCLE )
            {
                End_Edge_Module( (EDGE_MODULE*) item );
                SetCurItem( NULL );
                m_canvas->Refresh();
            }
            else if( ( (EDGE_MODULE*) item )->GetShape() == S_ARC )
            {
                End_Edge_Module( (EDGE_MODULE*) item );
                SetCurItem( NULL );
                m_canvas->Refresh();
            }
            else if( ( (EDGE_MODULE*) item )->GetShape() == S_SEGMENT )
            {
                SetCurItem( Begin_Edge_Module( (EDGE_MODULE*) item, DC, S_SEGMENT ) );
            }
            else
            {
                DisplayError( this, wxT( "ProcessCommand error: item flags error" ) );
            }
        }
        break;

    case ID_MODEDIT_DELETE_TOOL:
        if( ! no_item_edited )    // Item in edit, cannot delete it
            break;
        item = ModeditLocateAndDisplay();

//.........这里部分代码省略.........

void EDA_3D_CANVAS::CreateDrawGL_List( REPORTER* aErrorMessages, REPORTER* aActivity )
{
    BOARD* pcb = GetBoard();

    wxBusyCursor    dummy;

    // Build 3D board parameters:
    GetPrm3DVisu().InitSettings( pcb );

    glColorMaterial( GL_FRONT_AND_BACK, GL_AMBIENT_AND_DIFFUSE );

    // Create axis gl list (if it is not shown, the list will be not called
    draw3DAxis();

    // Create Board full gl lists:

    if( ! m_glLists[GL_ID_BOARD] )
    {
        DBG( unsigned strtime = GetRunningMicroSecs() );

        m_glLists[GL_ID_BOARD] = glGenLists( 1 );
        m_glLists[GL_ID_BODY] = glGenLists( 1 );
        buildBoard3DView(m_glLists[GL_ID_BOARD], m_glLists[GL_ID_BODY], aErrorMessages, aActivity );
        CheckGLError( __FILE__, __LINE__ );

        DBG( printf( "  buildBoard3DView total time %f ms\n", (double) (GetRunningMicroSecs() - strtime) / 1000.0 ) );
    }

    if( ! m_glLists[GL_ID_TECH_LAYERS] )
    {
        DBG( unsigned strtime = GetRunningMicroSecs() );

        m_glLists[GL_ID_TECH_LAYERS] = glGenLists( 1 );
        glNewList( m_glLists[GL_ID_TECH_LAYERS], GL_COMPILE );
        // when calling BuildTechLayers3DView,
        // do not show warnings, which are the same as buildBoard3DView
        buildTechLayers3DView( aErrorMessages, aActivity );
        glEndList();
        CheckGLError( __FILE__, __LINE__ );

        DBG( printf( "  buildTechLayers3DView total time %f ms\n", (double) (GetRunningMicroSecs() - strtime) / 1000.0 ) );
    }

    if( ! m_glLists[GL_ID_AUX_LAYERS] )
    {
        DBG( unsigned strtime = GetRunningMicroSecs() );

        m_glLists[GL_ID_AUX_LAYERS] = glGenLists( 1 );
        glNewList( m_glLists[GL_ID_AUX_LAYERS], GL_COMPILE );
        buildBoard3DAuxLayers( aErrorMessages, aActivity );
        glEndList();
        CheckGLError( __FILE__, __LINE__ );

        DBG( printf( "  buildBoard3DAuxLayers total time %f ms\n", (double) (GetRunningMicroSecs() - strtime) / 1000.0 ) );
    }

    // draw modules 3D shapes
    if( ! m_glLists[GL_ID_3DSHAPES_SOLID_FRONT] && isEnabled( FL_MODULE ) )
    {
        m_glLists[GL_ID_3DSHAPES_SOLID_FRONT] = glGenLists( 1 );

        // GL_ID_3DSHAPES_TRANSP_FRONT is an auxiliary list for 3D shapes;
        // Ensure it is cleared before rebuilding it
        if( m_glLists[GL_ID_3DSHAPES_TRANSP_FRONT] )
            glDeleteLists( m_glLists[GL_ID_3DSHAPES_TRANSP_FRONT], 1 );

        bool useMaterial = g_Parm_3D_Visu.GetFlag( FL_RENDER_MATERIAL );

        if( useMaterial )
            m_glLists[GL_ID_3DSHAPES_TRANSP_FRONT] = glGenLists( 1 );
        else
            m_glLists[GL_ID_3DSHAPES_TRANSP_FRONT] = 0;

        buildFootprintShape3DList( m_glLists[GL_ID_3DSHAPES_SOLID_FRONT],
                                   m_glLists[GL_ID_3DSHAPES_TRANSP_FRONT],
                                   aErrorMessages, aActivity );

        CheckGLError( __FILE__, __LINE__ );
    }

    calcBBox();

    // Create grid gl list
    if( ! m_glLists[GL_ID_GRID] )
    {
        m_glLists[GL_ID_GRID] = glGenLists( 1 );
        glNewList( m_glLists[GL_ID_GRID], GL_COMPILE );

        draw3DGrid( GetPrm3DVisu().m_3D_Grid );

        glEndList();
    }

    if( !m_glLists[GL_ID_SHADOW_FRONT] )
        m_glLists[GL_ID_SHADOW_FRONT] = glGenLists( 1 );

    if( !m_glLists[GL_ID_SHADOW_BACK] )
        m_glLists[GL_ID_SHADOW_BACK]  = glGenLists( 1 );

    if( !m_glLists[GL_ID_SHADOW_BOARD] )
//.........这里部分代码省略.........

void EDA_3D_CANVAS::buildFootprintShape3DList( GLuint aOpaqueList,
                                               GLuint aTransparentList,
                                               REPORTER* aErrorMessages,
                                               REPORTER* aActivity )
{
    DBG( unsigned strtime = GetRunningMicroSecs() );

    if( aActivity )
        aActivity->Report( _( "Load 3D Shapes" ) );

    // clean the parser list if it have any already loaded files
    m_model_parsers_list.clear();
    m_model_filename_list.clear();

    BOARD* pcb = GetBoard();

    for( MODULE* module = pcb->m_Modules; module; module = module->Next() )
        read3DComponentShape( module );

    DBG( printf( "  read3DComponentShape total time %f ms\n", (double) (GetRunningMicroSecs() - strtime) / 1000.0 ) );

    DBG( strtime = GetRunningMicroSecs() );

    bool useMaterial = g_Parm_3D_Visu.GetFlag( FL_RENDER_MATERIAL );

    if( useMaterial )
    {
        // aOpaqueList is the gl list for non transparent items
        // aTransparentList is the gl list for non transparent items,
        // which need to be drawn after all other items

        glNewList( aOpaqueList, GL_COMPILE );
        bool loadOpaqueObjects = true;

        for( MODULE* module = pcb->m_Modules; module; module = module->Next() )
            render3DComponentShape( module,  loadOpaqueObjects,
                                             !loadOpaqueObjects );

        glEndList();


        glNewList( aTransparentList, GL_COMPILE );
        bool loadTransparentObjects = true;

        for( MODULE* module = pcb->m_Modules; module; module = module->Next() )
            render3DComponentShape( module, !loadTransparentObjects,
                                            loadTransparentObjects );

        glEndList();
    }
    else
    {
        // Just create one list
        glNewList( aOpaqueList, GL_COMPILE );

        for( MODULE* module = pcb->m_Modules; module; module = module->Next() )
            render3DComponentShape( module, false, false );
        glEndList();
    }

    DBG( printf( "  render3DComponentShape total time %f ms\n", (double) (GetRunningMicroSecs() - strtime) / 1000.0 ) );
}

void EDA_3D_VIEWER::ReloadRequest()
{
    // This will schedule a request to load later
    if( m_canvas )
        m_canvas->ReloadRequest( GetBoard(), Prj().Get3DCacheManager() );
}

/*
 * This function starts a new track segment.
 * If a new track segment is in progress, ends this current new segment,
 * and created a new one.
 */
TRACK* PCB_EDIT_FRAME::Begin_Route( TRACK* aTrack, wxDC* aDC )
{
    TRACK*      TrackOnStartPoint = NULL;
    LAYER_MSK   layerMask = GetLayerMask( GetScreen()->m_Active_Layer );
    BOARD_CONNECTED_ITEM* LockPoint;
    wxPoint     pos = GetCrossHairPosition();

    if( aTrack == NULL )  // Starting a new track segment
    {
        m_canvas->SetMouseCapture( ShowNewTrackWhenMovingCursor, Abort_Create_Track );

        // Prepare the undo command info
        s_ItemsListPicker.ClearListAndDeleteItems();  // Should not be necessary, but...

        GetBoard()->PushHighLight();

        // erase old highlight
        if( GetBoard()->IsHighLightNetON() )
            HighLight( aDC );

        g_CurrentTrackList.PushBack( new TRACK( GetBoard() ) );
        g_CurrentTrackSegment->SetFlags( IS_NEW );

        GetBoard()->SetHighLightNet( 0 );

        // Search for a starting point of the new track, a track or pad
        LockPoint = GetBoard()->GetLockPoint( pos, layerMask );

        D_PAD* pad = NULL;
        if( LockPoint ) // An item (pad or track) is found
        {
            if( LockPoint->Type() == PCB_PAD_T )
            {
                pad = (D_PAD*) LockPoint;

                // A pad is found: put the starting point on pad center
                pos = pad->GetPosition();
                GetBoard()->SetHighLightNet( pad->GetNetCode() );
            }
            else // A track segment is found
            {
                TrackOnStartPoint    = (TRACK*) LockPoint;
                GetBoard()->SetHighLightNet( TrackOnStartPoint->GetNetCode() );
                GetBoard()->CreateLockPoint( pos, TrackOnStartPoint, &s_ItemsListPicker );
            }
        }
        else
        {
            // Not a starting point, but a filled zone area can exist. This is also a
            // good starting point.
            ZONE_CONTAINER* zone;
            zone = GetBoard()->HitTestForAnyFilledArea( pos,
                                                        GetScreen()-> m_Active_Layer,
                                                        GetScreen()-> m_Active_Layer,
                                                        -1 );

            if( zone )
                GetBoard()->SetHighLightNet( zone->GetNetCode() );
        }

        DBG( g_CurrentTrackList.VerifyListIntegrity() );

        BuildAirWiresTargetsList( LockPoint, wxPoint( 0, 0 ), true );

        DBG( g_CurrentTrackList.VerifyListIntegrity() );

        GetBoard()->HighLightON();
        GetBoard()->DrawHighLight( m_canvas, aDC, GetBoard()->GetHighLightNetCode() );

        // Display info about track Net class, and init track and vias sizes:
        g_CurrentTrackSegment->SetNetCode( GetBoard()->GetHighLightNetCode() );
        GetDesignSettings().SetCurrentNetClass( g_CurrentTrackSegment->GetNetClassName() );

        g_CurrentTrackSegment->SetLayer( GetScreen()->m_Active_Layer );
        g_CurrentTrackSegment->SetWidth( GetDesignSettings().GetCurrentTrackWidth() );

        if( GetDesignSettings().m_UseConnectedTrackWidth )
        {
            if( TrackOnStartPoint && TrackOnStartPoint->Type() == PCB_TRACE_T )
                g_CurrentTrackSegment->SetWidth( TrackOnStartPoint->GetWidth());
        }

        g_CurrentTrackSegment->SetStart( pos );
        g_CurrentTrackSegment->SetEnd( pos );

        if( pad )
        {
            g_CurrentTrackSegment->m_PadsConnected.push_back( pad );
            // Useful to display track length, if the pad has a die length:
            g_CurrentTrackSegment->SetState( BEGIN_ONPAD, true );
            g_CurrentTrackSegment->start = pad;
        }

        if( g_TwoSegmentTrackBuild )
        {
//.........这里部分代码省略.........

BOARD_DESIGN_SETTINGS& FOOTPRINT_EDIT_FRAME::GetDesignSettings() const
{
    return GetBoard()->GetDesignSettings();
}

FOOTPRINT_EDIT_FRAME::FOOTPRINT_EDIT_FRAME( KIWAY* aKiway, wxWindow* aParent,
                                            EDA_DRAW_PANEL_GAL::GAL_TYPE aBackend ) :
    PCB_BASE_EDIT_FRAME( aKiway, aParent, FRAME_PCB_MODULE_EDITOR, wxEmptyString,
                         wxDefaultPosition, wxDefaultSize,
                         KICAD_DEFAULT_DRAWFRAME_STYLE, GetFootprintEditorFrameName() )
{
    m_showBorderAndTitleBlock = false;   // true to show the frame references
    m_showAxis = true;                   // true to show X and Y axis on screen
    m_showGridAxis = true;               // show the grid origin axis
    m_hotkeysDescrList = g_Module_Editor_Hotkeys_Descr;
    m_FrameSize = ConvertDialogToPixels( wxSize( 500, 350 ) );    // default in case of no prefs
    m_canvasType = aBackend;
    m_AboutTitle = "ModEdit";

    // Give an icon
    wxIcon icon;
    icon.CopyFromBitmap( KiBitmap( icon_modedit_xpm ) );
    SetIcon( icon );

    // Create GAL canvas
    if( aBackend == EDA_DRAW_PANEL_GAL::GAL_TYPE_UNKNOWN )
        m_canvasType = LoadCanvasTypeSetting();
    else
        m_canvasType = aBackend;

    PCB_DRAW_PANEL_GAL* drawPanel = new PCB_DRAW_PANEL_GAL( this, -1, wxPoint( 0, 0 ), m_FrameSize,
                                                            GetGalDisplayOptions(), m_canvasType );
    SetGalCanvas( drawPanel );

    SetBoard( new BOARD() );
    // In modedit, the default net clearance is not known.
    // (it depends on the actual board)
    // So we do not show the default clearance, by setting it to 0
    // The footprint or pad specific clearance will be shown
    GetBoard()->GetDesignSettings().GetDefault()->SetClearance( 0 );

    // Don't show the default board solder mask clearance in the footprint editor.  Only the
    // footprint or pad clearance setting should be shown if it is not 0.
    GetBoard()->GetDesignSettings().m_SolderMaskMargin = 0;

    // restore the last footprint from the project, if any
    restoreLastFootprint();

    // Ensure all layers and items are visible:
    // In footprint editor, some layers have no meaning or
    // cannot be used, but we show all of them, at least to be able
    // to edit a bad layer
    GetBoard()->SetVisibleAlls();

    // However the "no net" mark on pads is useless, because there is
    // no net in footprint editor: make it non visible
    GetBoard()->SetElementVisibility( LAYER_NO_CONNECTS, false );

    m_Layers = new PCB_LAYER_WIDGET( this, GetCanvas(), true );

    // LoadSettings() *after* creating m_LayersManager, because LoadSettings()
    // initialize parameters in m_LayersManager
    LoadSettings( config() );
    GetGalDisplayOptions().m_axesEnabled = true;

    SetScreen( new PCB_SCREEN( GetPageSettings().GetSizeIU() ) );
    GetScreen()->SetMaxUndoItems( m_UndoRedoCountMax );

    GetScreen()->AddGrid( m_UserGridSize, EDA_UNITS_T::UNSCALED_UNITS, ID_POPUP_GRID_USER );
    GetScreen()->SetGrid( ID_POPUP_GRID_LEVEL_1000 + m_LastGridSizeId );

    // In modedit, set the default paper size to A4:
    // this should be OK for all footprint to plot/print
    SetPageSettings( PAGE_INFO( PAGE_INFO::A4 ) );

    SetSize( m_FramePos.x, m_FramePos.y, m_FrameSize.x, m_FrameSize.y );

    initLibraryTree();
    m_treePane = new FOOTPRINT_TREE_PANE( this );

    // Create the manager and dispatcher & route draw panel events to the dispatcher
    setupTools();

    // ReCreateMenuBar();       // UseGalCanvas() will do this for us.
    ReCreateHToolbar();
    ReCreateVToolbar();
    ReCreateOptToolbar();

    m_Layers->ReFill();
    m_Layers->ReFillRender();

    GetScreen()->m_Active_Layer = F_SilkS;
    m_Layers->SelectLayer( F_SilkS );
    m_Layers->OnLayerSelected();

    m_auimgr.SetManagedWindow( this );
    m_auimgr.SetArtProvider( new EDA_DOCKART( this ) );

    // Horizontal items; layers 4 - 6
    m_auimgr.AddPane( m_mainToolBar, EDA_PANE().HToolbar().Name( "MainToolbar" ).Top().Layer(6) );
    m_auimgr.AddPane( m_messagePanel, EDA_PANE().Messages().Name( "MsgPanel" ).Bottom().Layer(6) );

    // Vertical items; layers 1 - 3
    m_auimgr.AddPane( m_optionsToolBar, EDA_PANE().VToolbar().Name( "OptToolbar" ).Left().Layer(3) );
    m_auimgr.AddPane( m_treePane, EDA_PANE().Palette().Name( "Footprints" ).Left().Layer(1)
//.........这里部分代码省略.........

void PCB_EDIT_FRAME::Block_Rotate()
{
    wxPoint centre;                     // rotation cent-re for the rotation transform
    int     rotAngle = m_rotationAngle; // rotation angle in 0.1 deg.

    centre = GetScreen()->m_BlockLocate.Centre();

    OnModify();

    PICKED_ITEMS_LIST* itemsList = &GetScreen()->m_BlockLocate.GetItems();
    itemsList->m_Status = UR_CHANGED;

    for( unsigned ii = 0; ii < itemsList->GetCount(); ii++ )
    {
        BOARD_ITEM* item = (BOARD_ITEM*) itemsList->GetPickedItem( ii );
        wxASSERT( item );
        itemsList->SetPickedItemStatus( UR_CHANGED, ii );

        switch( item->Type() )
        {
        case PCB_MODULE_T:
            ( (MODULE*) item )->ClearFlags();
            m_Pcb->m_Status_Pcb = 0;
            break;

        // Move and rotate the track segments
        case PCB_TRACE_T:       // a track segment (segment on a copper layer)
        case PCB_VIA_T:         // a via (like track segment on a copper layer)
            m_Pcb->m_Status_Pcb = 0;
            break;

        case PCB_ZONE_AREA_T:
        case PCB_LINE_T:
        case PCB_TEXT_T:
        case PCB_TARGET_T:
        case PCB_DIMENSION_T:
            break;

        // This item is not put in undo list
        case PCB_ZONE_T:         // SEG_ZONE items are now deprecated
            itemsList->RemovePicker( ii );
            ii--;
            break;

        default:
            wxMessageBox( wxT( "PCB_EDIT_FRAME::Block_Rotate( ) error: unexpected type" ) );
            break;
        }
    }

    // Save all the block items in there current state before applying the rotation.
    SaveCopyInUndoList( *itemsList, UR_CHANGED, centre );

    // Now perform the rotation.
    for( unsigned ii = 0; ii < itemsList->GetCount(); ii++ )
    {
        BOARD_ITEM* item = (BOARD_ITEM*) itemsList->GetPickedItem( ii );
        wxASSERT( item );
        item->Rotate( centre, rotAngle );
        GetBoard()->GetConnectivity()->Update( item );
    }

    Compile_Ratsnest( NULL, true );
    m_canvas->Refresh( true );
}

//.........这里部分代码省略.........
        GetScreen()->ClearBlockCommand();
        return false;
    }

    // Show dialog if there are no selected items and we're not zooming
    if( !GetScreen()->m_BlockLocate.GetCount()
      && GetScreen()->m_BlockLocate.GetCommand() != BLOCK_ZOOM )
    {
        if( InstallBlockCmdFrame( this, _( "Block Operation" ) ) == false )
        {
            cancelCmd = true;

            // undraw block outline
            if( DC )
                m_canvas->CallMouseCapture( DC, wxDefaultPosition, false );
        }
        else
        {
            DrawAndSizingBlockOutlines( m_canvas, DC, wxDefaultPosition, false );
            Block_SelectItems();

            // Exit if no items found
            if( !GetScreen()->m_BlockLocate.GetCount() )
                cancelCmd = true;
        }
    }

    if( !cancelCmd && m_canvas->IsMouseCaptured() )
    {
        switch( GetScreen()->m_BlockLocate.GetCommand() )
        {
        case BLOCK_IDLE:
            DisplayError( this, wxT( "Error in HandleBlockPLace" ) );
            break;

        case BLOCK_DRAG:                // Drag (not used, for future enhancements)
        case BLOCK_MOVE:                // Move
        case BLOCK_DUPLICATE:           // Duplicate
        case BLOCK_DUPLICATE_AND_INCREMENT:  // Duplicate and increment relevant references
        case BLOCK_PRESELECT_MOVE:      // Move with preselection list
            GetScreen()->m_BlockLocate.SetState( STATE_BLOCK_MOVE );
            nextcmd = true;
            m_canvas->SetMouseCaptureCallback( drawMovingBlock );
            if( DC )
                m_canvas->CallMouseCapture( DC, wxDefaultPosition, false );
            break;

        case BLOCK_DELETE: // Delete
            m_canvas->SetMouseCaptureCallback( NULL );
            GetScreen()->m_BlockLocate.SetState( STATE_BLOCK_STOP );
            Block_Delete();
            break;

        case BLOCK_ROTATE: // Rotation
            m_canvas->SetMouseCaptureCallback( NULL );
            GetScreen()->m_BlockLocate.SetState( STATE_BLOCK_STOP );
            Block_Rotate();
            break;

        case BLOCK_FLIP: // Flip
            m_canvas->SetMouseCaptureCallback( NULL );
            GetScreen()->m_BlockLocate.SetState( STATE_BLOCK_STOP );
            Block_Flip();
            break;

        case BLOCK_COPY: // Copy
            GetScreen()->m_BlockLocate.SetState( STATE_BLOCK_STOP );

            if( GetScreen()->m_BlockLocate.GetCount() )
            {
                // @todo (if useful)         Save_Block( );
            }
            break;

        case BLOCK_PASTE:
            break;

        case BLOCK_ZOOM: // Window Zoom

            // Turn off the redraw block routine now so it is not displayed
            // with one corner at the new center of the screen
            m_canvas->SetMouseCaptureCallback( NULL );
            Window_Zoom( GetScreen()->m_BlockLocate );
            break;

        default:
            break;
        }
    }

    if( ! nextcmd )
    {
        GetBoard()->m_Status_Pcb |= DO_NOT_SHOW_GENERAL_RASTNEST;
        GetScreen()->ClearBlockCommand();
        m_canvas->EndMouseCapture( GetToolId(), m_canvas->GetCurrentCursor(), wxEmptyString,
                                   false );
    }

    return nextcmd;
}

bool PCB_EDIT_FRAME::Other_Layer_Route( TRACK* aTrack, wxDC* DC )
{
    unsigned    itmp;

    if( aTrack == NULL )
    {
        if( getActiveLayer() != ((PCB_SCREEN*)GetScreen())->m_Route_Layer_TOP )
            setActiveLayer( ((PCB_SCREEN*)GetScreen())->m_Route_Layer_TOP );
        else
            setActiveLayer(((PCB_SCREEN*)GetScreen())->m_Route_Layer_BOTTOM );

        UpdateStatusBar();
        return true;
    }

    // Avoid more than one via on the current location:
    if( GetBoard()->GetViaByPosition( g_CurrentTrackSegment->GetEnd(),
                                      g_CurrentTrackSegment->GetLayer() ) )
        return false;

    for( TRACK* segm = g_FirstTrackSegment;  segm;  segm = segm->Next() )
    {
        if( segm->Type() == PCB_VIA_T && g_CurrentTrackSegment->GetEnd() == segm->GetStart() )
            return false;
    }

    // Is the current segment Ok (no DRC error) ?
    if( g_Drc_On )
    {
        if( BAD_DRC==m_drc->Drc( g_CurrentTrackSegment, GetBoard()->m_Track ) )
            // DRC error, the change layer is not made
            return false;

        // Handle 2 segments.
        if( g_TwoSegmentTrackBuild && g_CurrentTrackSegment->Back() )
        {
            if( BAD_DRC == m_drc->Drc( g_CurrentTrackSegment->Back(), GetBoard()->m_Track ) )
                return false;
        }
    }

    /* Save current state before placing a via.
     * If the via cannot be placed this current state will be reused
     */
    itmp = g_CurrentTrackList.GetCount();
    Begin_Route( g_CurrentTrackSegment, DC );

    m_canvas->CallMouseCapture( DC, wxDefaultPosition, false );

    // create the via
    SEGVIA* via    = new SEGVIA( GetBoard() );
    via->SetFlags( IS_NEW );
    via->SetShape( GetDesignSettings().m_CurrentViaType );
    via->SetWidth( GetBoard()->GetCurrentViaSize());
    via->SetNet( GetBoard()->GetHighLightNetCode() );
    via->SetEnd( g_CurrentTrackSegment->GetEnd() );
    via->SetStart( g_CurrentTrackSegment->GetEnd() );

    // Usual via is from copper to component.
    // layer pair is LAYER_N_BACK and LAYER_N_FRONT.
    via->SetLayerPair( LAYER_N_BACK, LAYER_N_FRONT );
    via->SetDrill( GetBoard()->GetCurrentViaDrill() );

    LAYER_NUM first_layer = getActiveLayer();
    LAYER_NUM last_layer;

    // prepare switch to new active layer:
    if( first_layer != GetScreen()->m_Route_Layer_TOP )
        last_layer = GetScreen()->m_Route_Layer_TOP;
    else
        last_layer = GetScreen()->m_Route_Layer_BOTTOM;

    // Adjust the actual via layer pair
    switch ( via->GetShape() )
    {
        case VIA_BLIND_BURIED:
            via->SetLayerPair( first_layer, last_layer );
            break;

        case VIA_MICROVIA:  // from external to the near neighbor inner layer
        {
            LAYER_NUM last_inner_layer = FIRST_LAYER + (GetBoard()->GetCopperLayerCount() - 2);
            if ( first_layer == LAYER_N_BACK )
                last_layer = LAYER_N_2;
            else if ( first_layer == LAYER_N_FRONT )
                last_layer = last_inner_layer;
            else if ( first_layer == LAYER_N_2 )
                last_layer = LAYER_N_BACK;
            else if ( first_layer == last_inner_layer )
                last_layer = LAYER_N_FRONT;

            // else error: will be removed later
            via->SetLayerPair( first_layer, last_layer );
            {
                NETINFO_ITEM* net = GetBoard()->FindNet( via->GetNet() );
                via->SetWidth( net->GetMicroViaSize() );
            }
        }
            break;

//.........这里部分代码省略.........

/* Save modules in a library:
 * param aNewModulesOnly:
 *              true : save modules not already existing in this lib
 *              false: save all modules
 */
void PCB_EDIT_FRAME::ArchiveModulesOnBoard( const wxString& aLibName, bool aNewModulesOnly )
{
    wxString fileName = aLibName;
    wxString path;

    if( GetBoard()->m_Modules == NULL )
    {
        DisplayInfoMessage( this, FMT_NO_MODULES );
        return;
    }

    path = wxGetApp().ReturnLastVisitedLibraryPath();

    if( !aLibName )
    {
        wxFileDialog dlg( this, FMT_LIBRARY, path,
                          wxEmptyString,
                          wxGetTranslation( LegacyFootprintLibPathWildcard ),
                          wxFD_SAVE );

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

        fileName = dlg.GetPath();
    }

    wxFileName fn( fileName );
    wxGetApp().SaveLastVisitedLibraryPath( fn.GetPath() );
    bool       lib_exists = wxFileExists( fileName );

    if( !aNewModulesOnly && lib_exists )
    {
        wxString msg = wxString::Format( FMT_OK_OVERWRITE, GetChars( fileName ) );

        if( !IsOK( this, msg ) )
            return;
    }

    m_canvas->SetAbortRequest( false );

    try
    {
        PLUGIN::RELEASER pi( IO_MGR::PluginFind( IO_MGR::LEGACY ) );

        // Delete old library if we're replacing it entirely.
        if( lib_exists && !aNewModulesOnly )
        {
            pi->FootprintLibDelete( fileName );
            lib_exists = false;
        }

        if( !lib_exists )
        {
            pi->FootprintLibCreate( fileName );
        }

        if( !aNewModulesOnly )
        {
            for( MODULE* m = GetBoard()->m_Modules;  m;  m = m->Next() )
            {
                pi->FootprintSave( fileName, m );
            }
        }
        else
        {
            for( MODULE* m = GetBoard()->m_Modules;  m;  m = m->Next() )
            {
                if( !Save_Module_In_Library( fileName, m, false, false ) )
                    break;

                // Check for request to stop backup (ESCAPE key actuated)
                if( m_canvas->GetAbortRequest() )
                    break;
            }
        }
    }
    catch( IO_ERROR ioe )
    {
        DisplayError( this, ioe.errorText );
        return;
    }
}

void EDGE_MODULE::Draw( EDA_DRAW_PANEL* panel, wxDC* DC, GR_DRAWMODE draw_mode,
                        const wxPoint& offset )
{
    int         ux0, uy0, dx, dy, radius, StAngle, EndAngle;
    LAYER_ID    curr_layer = ( (PCB_SCREEN*) panel->GetScreen() )->m_Active_Layer;

    MODULE* module = (MODULE*) m_Parent;

    if( !module )
        return;

    BOARD* brd = GetBoard( );

    if( brd->IsLayerVisible( m_Layer ) == false )
        return;

    EDA_COLOR_T color = brd->GetLayerColor( m_Layer );
    DISPLAY_OPTIONS* displ_opts = (DISPLAY_OPTIONS*)panel->GetDisplayOptions();

    if(( draw_mode & GR_ALLOW_HIGHCONTRAST ) && displ_opts && displ_opts->m_ContrastModeDisplay )
    {
        if( !IsOnLayer( curr_layer ) )
            ColorTurnToDarkDarkGray( &color );
    }

    ux0 = m_Start.x - offset.x;
    uy0 = m_Start.y - offset.y;

    dx = m_End.x - offset.x;
    dy = m_End.y - offset.y;

    GRSetDrawMode( DC, draw_mode );
    bool filled = displ_opts ? displ_opts->m_DisplayModEdgeFill : FILLED;

    if( IsCopperLayer( m_Layer ) )
        filled = displ_opts ? displ_opts->m_DisplayPcbTrackFill : FILLED;

    switch( m_Shape )
    {
    case S_SEGMENT:
        if( filled )
            GRLine( panel->GetClipBox(), DC, ux0, uy0, dx, dy, m_Width, color );
        else
            // SKETCH Mode
            GRCSegm( panel->GetClipBox(), DC, ux0, uy0, dx, dy, m_Width, color );

        break;

    case S_CIRCLE:
        radius = KiROUND( Distance( ux0, uy0, dx, dy ) );

        if( filled )
        {
            GRCircle( panel->GetClipBox(), DC, ux0, uy0, radius, m_Width, color );
        }
        else        // SKETCH Mode
        {
            GRCircle( panel->GetClipBox(), DC, ux0, uy0, radius + (m_Width / 2), color );
            GRCircle( panel->GetClipBox(), DC, ux0, uy0, radius - (m_Width / 2), color );
        }

        break;

    case S_ARC:
        radius   = KiROUND( Distance( ux0, uy0, dx, dy ) );
        StAngle  = ArcTangente( dy - uy0, dx - ux0 );
        EndAngle = StAngle + m_Angle;

        if( !panel->GetPrintMirrored() )
        {
            if( StAngle > EndAngle )
                std::swap( StAngle, EndAngle );
        }
        else    // Mirrored mode: arc orientation is reversed
        {
            if( StAngle < EndAngle )
                std::swap( StAngle, EndAngle );
        }

        if( filled )
        {
            GRArc( panel->GetClipBox(), DC, ux0, uy0, StAngle, EndAngle, radius, m_Width, color );
        }
        else        // SKETCH Mode
        {
            GRArc( panel->GetClipBox(), DC, ux0, uy0, StAngle, EndAngle,
                   radius + (m_Width / 2), color );
            GRArc( panel->GetClipBox(), DC, ux0, uy0, StAngle, EndAngle,
                   radius - (m_Width / 2), color );
        }
        break;

    case S_POLYGON:
        {
        // We must compute true coordinates from m_PolyPoints
        // which are relative to module position, orientation 0
        std::vector<wxPoint> points = m_PolyPoints;

        for( unsigned ii = 0; ii < points.size(); ii++ )
        {
//.........这里部分代码省略.........

void FOOTPRINT_EDIT_FRAME::SetElementVisibility( GAL_LAYER_ID aElement, bool aNewState )
{
    GetGalCanvas()->GetView()->SetLayerVisible( aElement , aNewState );
    GetBoard()->SetElementVisibility( aElement, aNewState );
    m_Layers->SetRenderState( aElement, aNewState );
}

/**
 * Function buildBoard3DAuxLayers
 * Called by CreateDrawGL_List()
 * Fills the OpenGL GL_ID_BOARD draw list with items
 * on aux layers only
 */
void EDA_3D_CANVAS::buildBoard3DAuxLayers( REPORTER* aErrorMessages, REPORTER* aActivity )
{
    const int   segcountforcircle   = 18;
    double      correctionFactor    = 1.0 / cos( M_PI / (segcountforcircle * 2) );
    BOARD*      pcb = GetBoard();

    SHAPE_POLY_SET  bufferPolys;

    static const LAYER_ID sequence[] = {
        Dwgs_User,
        Cmts_User,
        Eco1_User,
        Eco2_User,
        Edge_Cuts,
        Margin
    };

    for( LSEQ aux( sequence, sequence+DIM(sequence) );  aux;  ++aux )
    {
        LAYER_ID layer = *aux;

        if( !is3DLayerEnabled( layer ) )
            continue;

        if( aActivity )
            aActivity->Report( wxString::Format( _( "Build layer %s" ), LSET::Name( layer ) ) );

        bufferPolys.RemoveAllContours();

        for( BOARD_ITEM* item = pcb->m_Drawings; item; item = item->Next() )
        {
            if( !item->IsOnLayer( layer ) )
                continue;

            switch( item->Type() )
            {
            case PCB_LINE_T:
                ( (DRAWSEGMENT*) item )->TransformShapeWithClearanceToPolygon(
                    bufferPolys, 0, segcountforcircle, correctionFactor );
                break;

            case PCB_TEXT_T:
                ( (TEXTE_PCB*) item )->TransformShapeWithClearanceToPolygonSet(
                    bufferPolys, 0, segcountforcircle, correctionFactor );
                break;

            default:
                break;
            }
        }

        for( MODULE* module = pcb->m_Modules; module; module = module->Next() )
        {
            module->TransformPadsShapesWithClearanceToPolygon( layer,
                                                               bufferPolys,
                                                               0,
                                                               segcountforcircle,
                                                               correctionFactor );

            module->TransformGraphicShapesWithClearanceToPolygonSet( layer,
                                                                     bufferPolys,
                                                                     0,
                                                                     segcountforcircle,
                                                                     correctionFactor );
        }

        // bufferPolys contains polygons to merge. Many overlaps .
        // Calculate merged polygons and remove pads and vias holes
        if( bufferPolys.IsEmpty() )
            continue;

        bufferPolys.Simplify( polygonsCalcMode );

        int         thickness = GetPrm3DVisu().GetLayerObjectThicknessBIU( layer );
        int         zpos = GetPrm3DVisu().GetLayerZcoordBIU( layer );
        // for Draw3D_SolidHorizontalPolyPolygons,
        // zpos it the middle between bottom and top sides.
        // However for top layers, zpos should be the bottom layer pos,
        // and for bottom layers, zpos should be the top layer pos.
        if( Get3DLayer_Z_Orientation( layer ) > 0 )
            zpos += thickness/2;
        else
            zpos -= thickness/2 ;

        float zNormal = 1.0f; // When using thickness it will draw first the top and then botton (with z inverted)

        // If we are not using thickness, then the znormal must face the layer direction
        // because it will draw just one plane
        if( !thickness )
            zNormal = Get3DLayer_Z_Orientation( layer );

        setGLTechLayersColor( layer );
        Draw3D_SolidHorizontalPolyPolygons( bufferPolys, zpos,