C++ EDA_ITEM::Next方法代码示例

bool SCH_SHEET::HasUndefinedPins()
{
    for( const SCH_SHEET_PIN& pin : m_pins )
    {
        /* Search the schematic for a hierarchical label corresponding to this sheet label. */
        EDA_ITEM* DrawStruct  = m_screen->GetDrawItems();
        const SCH_HIERLABEL* HLabel = NULL;

        for( ; DrawStruct != NULL; DrawStruct = DrawStruct->Next() )
        {
            if( DrawStruct->Type() != SCH_HIERARCHICAL_LABEL_T )
                continue;

            HLabel = static_cast<SCH_HIERLABEL*>( DrawStruct );

            if( pin.GetText().CmpNoCase( HLabel->GetText() ) == 0 )
                break;  // Found!

            HLabel = NULL;
        }

        if( HLabel == NULL )   // Corresponding hierarchical label not found.
            return true;
    }

    return false;
}

static void export_vrml_drawings( MODEL_VRML& aModel, BOARD* pcb )
{
    // draw graphic items
    for( EDA_ITEM* drawing = pcb->m_Drawings; drawing != 0; drawing = drawing->Next() )
    {
        LAYER_ID layer = ( (DRAWSEGMENT*) drawing )->GetLayer();

        if( layer != F_Cu && layer != B_Cu && layer != B_SilkS && layer != F_SilkS )
            continue;

        switch( drawing->Type() )
        {
        case PCB_LINE_T:
            export_vrml_drawsegment( aModel, (DRAWSEGMENT*) drawing );
            break;

        case PCB_TEXT_T:
            export_vrml_pcbtext( aModel, (TEXTE_PCB*) drawing );
            break;

        default:
            break;
        }
    }
}

void SCH_SHEET_PATH::AnnotatePowerSymbols( PART_LIBS* aLibs, int* aReference )
{
    int ref = 1;

    if( aReference )
        ref = *aReference;

    for( EDA_ITEM* item = LastDrawList();  item;  item = item->Next() )
    {
        if( item->Type() != SCH_COMPONENT_T )
                continue;

        SCH_COMPONENT*  component = (SCH_COMPONENT*) item;
        LIB_PART*       part = aLibs->FindLibPart( component->GetPartName() );

        if( !part || !part->IsPower() )
            continue;

        wxString refstr = component->GetPrefix();

        //str will be "C?" or so after the ClearAnnotation call.
        while( refstr.Last() == '?' )
            refstr.RemoveLast();

        if( !refstr.StartsWith( wxT( "#" ) ) )
            refstr = wxT( "#" ) + refstr;

        refstr << wxT( "0" ) << ref;
        component->SetRef( this, refstr );
        ref++;
    }

    if( aReference )
        *aReference = ref;
}

void SCH_SHEET::CleanupSheet()
{
    SCH_SHEET_PINS::iterator i = m_pins.begin();

    while( i != m_pins.end() )
    {
        /* Search the schematic for a hierarchical label corresponding to this sheet label. */
        EDA_ITEM* DrawStruct = m_screen->GetDrawItems();
        const SCH_HIERLABEL* HLabel = NULL;

        for( ; DrawStruct != NULL; DrawStruct = DrawStruct->Next() )
        {
            if( DrawStruct->Type() != SCH_HIERARCHICAL_LABEL_T )
                continue;

            HLabel = static_cast<SCH_HIERLABEL*>( DrawStruct );

            if( i->GetText().CmpNoCase( HLabel->GetText() ) == 0 )
                break;  // Found!

            HLabel = NULL;
        }

        if( HLabel == NULL )   // Hlabel not found: delete sheet label.
            i = m_pins.erase( i );
        else
            ++i;
    }
}

void FOOTPRINT_EDIT_FRAME::SaveCopyInUndoList( BOARD_ITEM*    aItem,
                                               UNDO_REDO_T    aTypeCommand,
                                               const wxPoint& aTransformPoint )
{
    EDA_ITEM*          item;
    MODULE*            CopyItem;
    PICKED_ITEMS_LIST* lastcmd;

    CopyItem = new MODULE( *( (MODULE*) aItem ) );
    CopyItem->SetParent( GetBoard() );

    lastcmd = new PICKED_ITEMS_LIST();
    ITEM_PICKER wrapper( CopyItem, UR_MODEDIT );
    lastcmd->PushItem( wrapper );

    GetScreen()->PushCommandToUndoList( lastcmd );

    /* Clear current flags (which can be temporary set by a current edit command) */
    for( item = CopyItem->GraphicalItems(); item != NULL; item = item->Next() )
        item->ClearFlags();

    for( D_PAD* pad = CopyItem->Pads();  pad;  pad = pad->Next() )
        pad->ClearFlags();

    CopyItem->Reference().ClearFlags();
    CopyItem->Value().ClearFlags();

    /* Clear redo list, because after new save there is no redo to do */
    GetScreen()->ClearUndoORRedoList( GetScreen()->m_RedoList );
}

bool SCH_SHEET::SearchHierarchy( const wxString& aFilename, SCH_SCREEN** aScreen )
{
    if( m_screen )
    {
        EDA_ITEM* item = m_screen->GetDrawItems();

        while( item )
        {
            if( item->Type() == SCH_SHEET_T )
            {
                SCH_SHEET* sheet = (SCH_SHEET*) item;

                if( sheet->m_screen
                    && sheet->m_screen->GetFileName().CmpNoCase( aFilename ) == 0 )
                {
                    *aScreen = sheet->m_screen;
                    return true;
                }

                if( sheet->SearchHierarchy( aFilename, aScreen ) )
                    return true;
            }

            item = item->Next();
        }
    }

    return false;
}

bool SCH_SHEET::LocatePathOfScreen( SCH_SCREEN* aScreen, SCH_SHEET_PATH* aList )
{
    if( m_screen )
    {
        aList->push_back( this );

        if( m_screen == aScreen )
            return true;

        EDA_ITEM* strct = m_screen->GetDrawItems();

        while( strct )
        {
            if( strct->Type() == SCH_SHEET_T )
            {
                SCH_SHEET* ss = (SCH_SHEET*) strct;

                if( ss->LocatePathOfScreen( aScreen, aList ) )
                    return true;
            }

            strct = strct->Next();
        }

        aList->pop_back();
    }

    return false;
}

void SCH_SCREENS::BuildScreenList( EDA_ITEM* aItem )
{
    if( aItem && aItem->Type() == SCH_SHEET_T )
    {
        SCH_SHEET* ds = (SCH_SHEET*) aItem;
        aItem = ds->GetScreen();
    }

    if( aItem && aItem->Type() == SCH_SCREEN_T )
    {
        SCH_SCREEN*     screen = (SCH_SCREEN*) aItem;
        AddScreenToList( screen );
        EDA_ITEM* strct = screen->GetDrawItems();

        while( strct )
        {
            if( strct->Type() == SCH_SHEET_T )
            {
                BuildScreenList( strct );
            }

            strct = strct->Next();
        }
    }
}

void SCH_SCREENS::BuildScreenList( EDA_ITEM* aItem )
{
    if( aItem && aItem->Type() == SCH_SHEET_T )
    {
        SCH_SHEET* ds = (SCH_SHEET*) aItem;
        aItem = ds->GetScreen();
    }

    if( aItem && aItem->Type() == SCH_SCREEN_T )
    {
        SCH_SCREEN*     screen = (SCH_SCREEN*) aItem;

        // Ensure each component has its pointer to its part lib LIB_PART
        // up to date (the cost is low if this is the case)
        // We do this update here, because most of time this function is called
        // to create a netlist, or an ERC, which need this update
        screen->BuildSchCmpLinksToLibCmp();

        AddScreenToList( screen );
        EDA_ITEM* strct = screen->GetDrawItems();

        while( strct )
        {
            if( strct->Type() == SCH_SHEET_T )
            {
                BuildScreenList( strct );
            }

            strct = strct->Next();
        }
    }
}

int SCH_SHEET::ComponentCount()
{
    int n = 0;

    if( m_screen )
    {
        EDA_ITEM* bs;

        for( bs = m_screen->GetDrawItems(); bs != NULL; bs = bs->Next() )
        {
            if( bs->Type() == SCH_COMPONENT_T )
            {
                SCH_COMPONENT* Cmp = (SCH_COMPONENT*) bs;

                if( Cmp->GetField( VALUE )->GetText().GetChar( 0 ) != '#' )
                    n++;
            }

            if( bs->Type() == SCH_SHEET_T )
            {
                SCH_SHEET* sheet = (SCH_SHEET*) bs;
                n += sheet->ComponentCount();
            }
        }
    }

    return n;
}

void MODULE::MoveAnchorPosition( const wxPoint& aMoveVector )
{
    /* Move the reference point of the footprint
     * the footprints elements (pads, outlines, edges .. ) are moved
     * but:
     * - the footprint position is not modified.
     * - the relative (local) coordinates of these items are modified
     */

    wxPoint footprintPos = GetPosition();

    /* Update the relative coordinates:
     * The coordinates are relative to the anchor point.
     * Calculate deltaX and deltaY from the anchor. */
    wxPoint moveVector = aMoveVector;
    RotatePoint( &moveVector, -GetOrientation() );

    // Update of the reference and value.
    m_Reference->SetPos0( m_Reference->GetPos0() + moveVector );
    m_Reference->SetDrawCoord();
    m_Value->SetPos0( m_Value->GetPos0() + moveVector );
    m_Value->SetDrawCoord();

    // Update the pad local coordinates.
    for( D_PAD* pad = Pads(); pad; pad = pad->Next() )
    {
        pad->SetPos0( pad->GetPos0() + moveVector );
        pad->SetPosition( pad->GetPos0() + footprintPos );
    }

    // Update the draw element coordinates.
    for( EDA_ITEM* item = GraphicalItems(); item; item = item->Next() )
    {
        switch( item->Type() )
        {
        case PCB_MODULE_EDGE_T:
            {
                EDGE_MODULE* edge = static_cast<EDGE_MODULE*>( item );
                edge->m_Start0 += moveVector;
                edge->m_End0   += moveVector;
                edge->SetDrawCoord();
                break;
            }

        case PCB_MODULE_TEXT_T:
            {
                TEXTE_MODULE* text = static_cast<TEXTE_MODULE*>( item );
                text->SetPos0( text->GetPos0() + moveVector );
                text->SetDrawCoord();
                break;
            }

        default:
            break;
        }
    }

    CalculateBoundingBox();
}

/* Mark items inside rect.
 *  Items are inside rect when an end point is inside rect
 */
int MarkItemsInBloc( MODULE* module, EDA_RECT& Rect )
{
    EDA_ITEM* item;
    int       ItemsCount = 0;
    wxPoint   pos;
    D_PAD*    pad;

    if( module == NULL )
        return 0;

    pad = module->Pads();

    for( ; pad != NULL; pad = pad->Next() )
    {
        pad->ClearFlags( SELECTED );
        pos = pad->GetPosition();

        if( Rect.Contains( pos ) )
        {
            pad->SetFlags( SELECTED );
            ItemsCount++;
        }
    }

    item = module->GraphicalItems();

    for( ; item != NULL; item = item->Next() )
    {
        item->ClearFlags( SELECTED );

        switch( item->Type() )
        {
        case PCB_MODULE_EDGE_T:
            if( ((EDGE_MODULE*)item )->HitTest( Rect ) )
            {
                item->SetFlags( SELECTED );
                ItemsCount++;
            }

            break;

        case PCB_MODULE_TEXT_T:
            pos = ( (TEXTE_MODULE*) item )->GetTextPosition();

            if( Rect.Contains( pos ) )
            {
                item->SetFlags( SELECTED );
                ItemsCount++;
            }

            break;

        default:
            break;
        }
    }

    return ItemsCount;
}

// Same as function TransformGraphicShapesWithClearanceToPolygonSet but
// this only render text
void MODULE::TransformGraphicTextWithClearanceToPolygonSet(
        PCB_LAYER_ID aLayer, SHAPE_POLY_SET& aCornerBuffer, int aInflateValue, int aError ) const
{
    std::vector<TEXTE_MODULE *> texts;  // List of TEXTE_MODULE to convert

    for( EDA_ITEM* item = GraphicalItemsList(); item != NULL; item = item->Next() )
    {
        switch( item->Type() )
        {
        case PCB_MODULE_TEXT_T:
            {
                TEXTE_MODULE* text = static_cast<TEXTE_MODULE*>( item );

                if( text->GetLayer() == aLayer && text->IsVisible() )
                    texts.push_back( text );

                break;
            }

        case PCB_MODULE_EDGE_T:
                // This function does not render this
                break;

            default:
                break;
        }
    }

    // Convert texts sur modules
    if( Reference().GetLayer() == aLayer && Reference().IsVisible() )
        texts.push_back( &Reference() );

    if( Value().GetLayer() == aLayer && Value().IsVisible() )
        texts.push_back( &Value() );

    prms.m_cornerBuffer = &aCornerBuffer;

    for( unsigned ii = 0; ii < texts.size(); ii++ )
    {
        TEXTE_MODULE *textmod = texts[ii];
        prms.m_textWidth = textmod->GetThickness() + ( 2 * aInflateValue );
        prms.m_error = aError;
        wxSize size = textmod->GetTextSize();

        if( textmod->IsMirrored() )
            size.x = -size.x;

        DrawGraphicText( NULL, NULL, textmod->GetTextPos(), BLACK,
                         textmod->GetShownText(), textmod->GetDrawRotation(), size,
                         textmod->GetHorizJustify(), textmod->GetVertJustify(),
                         textmod->GetThickness(), textmod->IsItalic(),
                         true, addTextSegmToPoly, &prms );
    }

}

/* Move marked items, at new position = old position + offset
 */
void MoveMarkedItems( MODULE* module, wxPoint offset )
{
    EDA_ITEM* item;

    if( module == NULL )
        return;

    if( module->Reference().IsSelected() )
        module->Reference().Move( offset );

    if( module->Value().IsSelected() )
        module->Value().Move( offset );

    D_PAD* pad = module->Pads();

    for( ; pad != NULL; pad = pad->Next() )
    {
        if( !pad->IsSelected() )
            continue;

        pad->SetPosition( pad->GetPosition() + offset );
        pad->SetPos0( pad->GetPos0() + offset );
    }

    item = module->GraphicalItems();

    for( ; item != NULL; item = item->Next() )
    {
        if( !item->IsSelected() )
            continue;

        switch( item->Type() )
        {
        case PCB_MODULE_TEXT_T:
            static_cast<TEXTE_MODULE*>( item )->Move( offset );
            break;

        case PCB_MODULE_EDGE_T:
        {
            EDGE_MODULE* em = (EDGE_MODULE*) item;
            em->SetStart( em->GetStart() + offset );
            em->SetEnd( em->GetEnd() + offset );
            em->SetStart0( em->GetStart0() + offset );
            em->SetEnd0( em->GetEnd0() + offset );
        }
        break;

        default:
            ;
        }
    }

    ClearMarkItems( module );
}

void ClearMarkItems( MODULE* module )
{
    EDA_ITEM* item;

    if( module == NULL )
        return;

    item = module->GraphicalItems();

    for( ; item != NULL; item = item->Next() )
    {
        item->ClearFlags();
    }

    item = module->Pads();

    for( ; item != NULL; item = item->Next() )
    {
        item->ClearFlags();
    }
}