C++ DRAWSEGMENT::GetShape方法代码示例

/* Redraw segment during cursor movement
 */
static void DrawSegment( EDA_DRAW_PANEL* aPanel, wxDC* aDC, const wxPoint& aPosition, bool aErase )
{
    DRAWSEGMENT* Segment = (DRAWSEGMENT*) aPanel->GetScreen()->GetCurItem();
    auto frame = (PCB_EDIT_FRAME*) ( aPanel->GetParent() );
    if( Segment == NULL )
        return;

    auto displ_opts = (PCB_DISPLAY_OPTIONS*) ( aPanel->GetDisplayOptions() );
    bool tmp = displ_opts->m_DisplayDrawItemsFill;

    displ_opts->m_DisplayDrawItemsFill = SKETCH;

    if( aErase )
        Segment->Draw( aPanel, aDC, GR_XOR );

    if( frame->Settings().m_use45DegreeGraphicSegments && Segment->GetShape() == S_SEGMENT )
    {
        wxPoint pt;

        pt = CalculateSegmentEndPoint( aPanel->GetParent()->GetCrossHairPosition(),
                                       Segment->GetStart() );
        Segment->SetEnd( pt );
    }
    else    // here the angle is arbitrary
    {
        Segment->SetEnd( aPanel->GetParent()->GetCrossHairPosition() );
    }

    Segment->Draw( aPanel, aDC, GR_XOR );
    displ_opts->m_DisplayDrawItemsFill = tmp;
}

/* Redraw segment during cursor movement
 */
static void DrawSegment( EDA_DRAW_PANEL* aPanel, wxDC* aDC, const wxPoint& aPosition, bool aErase )
{
    DRAWSEGMENT* Segment = (DRAWSEGMENT*) aPanel->GetScreen()->GetCurItem();
    int          t_fill = DisplayOpt.DisplayDrawItems;

    if( Segment == NULL )
        return;

    DisplayOpt.DisplayDrawItems = SKETCH;

    if( aErase )
        Segment->Draw( aPanel, aDC, GR_XOR );

    if( g_Segments_45_Only && Segment->GetShape() == S_SEGMENT )
    {
        wxPoint pt;

        CalculateSegmentEndPoint( aPanel->GetParent()->GetCrossHairPosition(),
                                  Segment->GetStart().x, Segment->GetStart().y,
                                  &pt.x, &pt.y );
        Segment->SetEnd( pt );
    }
    else    // here the angle is arbitrary
    {
        Segment->SetEnd( aPanel->GetParent()->GetCrossHairPosition() );
    }

    Segment->Draw( aPanel, aDC, GR_XOR );
    DisplayOpt.DisplayDrawItems = t_fill;
}

/* Initialize the drawing of a segment of type other than trace.
 */
DRAWSEGMENT* PCB_EDIT_FRAME::Begin_DrawSegment( DRAWSEGMENT* Segment, STROKE_T shape, wxDC* DC )
{
    int          lineWidth;
    DRAWSEGMENT* DrawItem;

    lineWidth = GetDesignSettings().GetLineThickness( GetActiveLayer() );

    if( Segment == NULL )        // Create new segment.
    {
        SetCurItem( Segment = new DRAWSEGMENT( GetBoard() ) );
        Segment->SetFlags( IS_NEW );
        Segment->SetLayer( GetActiveLayer() );
        Segment->SetWidth( lineWidth );
        Segment->SetShape( shape );
        Segment->SetAngle( 900 );
        Segment->SetStart( GetCrossHairPosition() );
        Segment->SetEnd( GetCrossHairPosition() );
        m_canvas->SetMouseCapture( DrawSegment, Abort_EditEdge );
    }
    else
    {
        // The ending point coordinate Segment->m_End was updated by the function
        // DrawSegment() called on a move mouse event during the segment creation
        if( Segment->GetStart() != Segment->GetEnd() )
        {
            if( Segment->GetShape() == S_SEGMENT )
            {
                SaveCopyInUndoList( Segment, UR_NEW );
                GetBoard()->Add( Segment );

                OnModify();
                Segment->ClearFlags();

                Segment->Draw( m_canvas, DC, GR_OR );

                DrawItem = Segment;

                SetCurItem( Segment = new DRAWSEGMENT( GetBoard() ) );

                Segment->SetFlags( IS_NEW );
                Segment->SetLayer( DrawItem->GetLayer() );
                Segment->SetWidth( lineWidth );
                Segment->SetShape( DrawItem->GetShape() );
                Segment->SetType( DrawItem->GetType() );
                Segment->SetAngle( DrawItem->GetAngle() );
                Segment->SetStart( DrawItem->GetEnd() );
                Segment->SetEnd( DrawItem->GetEnd() );
                DrawSegment( m_canvas, DC, wxDefaultPosition, false );
            }
            else
            {
                End_Edge( Segment, DC );
                Segment = NULL;
            }
        }
    }

    return Segment;
}

void DIALOG_GRAPHIC_ITEM_PROPERTIES::OnOkClick( wxCommandEvent& event )
{
    if( !itemValuesOK() )
        return;

    m_parent->SaveCopyInUndoList( m_item, UR_CHANGED );

    wxString msg;

    if( m_DC )
        m_item->Draw( m_parent->GetCanvas(), m_DC, GR_XOR );

    msg = m_Center_StartXCtrl->GetValue();
    m_item->SetStartX( ValueFromString( g_UserUnit, msg ) );

    msg = m_Center_StartYCtrl->GetValue();
    m_item->SetStartY( ValueFromString( g_UserUnit, msg ) );

    msg = m_EndX_Radius_Ctrl->GetValue();
    m_item->SetEndX( ValueFromString( g_UserUnit, msg ) );

    msg = m_EndY_Ctrl->GetValue();
    m_item->SetEndY( ValueFromString( g_UserUnit, msg ) );

    msg = m_ThicknessCtrl->GetValue();
    m_item->SetWidth( ValueFromString( g_UserUnit, msg ) );

    msg = m_DefaultThicknessCtrl->GetValue();
    int thickness = ValueFromString( g_UserUnit, msg );

    m_item->SetLayer( ToLAYER_ID( m_LayerSelectionCtrl->GetLayerSelection() ) );

    if( m_item->GetLayer() == Edge_Cuts )
        m_brdSettings.m_EdgeSegmentWidth = thickness;
    else
        m_brdSettings.m_DrawSegmentWidth = thickness;

    if( m_item->GetShape() == S_ARC )
    {
        double angle;
        m_Angle_Ctrl->GetValue().ToDouble( &angle );
        NORMALIZE_ANGLE_360( angle );
        m_item->SetAngle( angle );
    }

    m_parent->OnModify();

    if( m_DC )
        m_item->Draw( m_parent->GetCanvas(), m_DC, GR_OR );

    m_parent->SetMsgPanel( m_item );

    m_parent->SetDesignSettings( m_brdSettings );

    Close( true );
}

void DIALOG_GRAPHIC_ITEM_PROPERTIES::OnOkClick( wxCommandEvent& event )
/*******************************************************************/
/* Copy values in text control to the item parameters
*/
{
    m_parent->SaveCopyInUndoList( m_Item, UR_CHANGED );

    wxString msg;

    if( m_DC )
        m_Item->Draw( m_parent->GetCanvas(), m_DC, GR_XOR );

    msg = m_Center_StartXCtrl->GetValue();
    m_Item->SetStartX( ReturnValueFromString( g_UserUnit, msg, m_parent->GetInternalUnits() ));

    msg = m_Center_StartYCtrl->GetValue();
    m_Item->SetStartY( ReturnValueFromString( g_UserUnit, msg, m_parent->GetInternalUnits() ));

    msg = m_EndX_Radius_Ctrl->GetValue();
    m_Item->SetEndX( ReturnValueFromString( g_UserUnit, msg, m_parent->GetInternalUnits() ));

    msg = m_EndY_Ctrl->GetValue();
    m_Item->SetEndY( ReturnValueFromString( g_UserUnit, msg, m_parent->GetInternalUnits() ));

    msg = m_ThicknessCtrl->GetValue();
    m_Item->SetWidth( ReturnValueFromString( g_UserUnit, msg, m_parent->GetInternalUnits() ));

    msg = m_DefaultThicknessCtrl->GetValue();
    int thickness = ReturnValueFromString( g_UserUnit, msg, m_parent->GetInternalUnits() );

    m_Item->SetLayer( m_LayerSelectionCtrl->GetCurrentSelection() + FIRST_NO_COPPER_LAYER);

    if( m_Item->GetLayer() == EDGE_N )
         m_brdSettings.m_EdgeSegmentWidth = thickness;
    else
         m_brdSettings.m_DrawSegmentWidth = thickness;

    if( m_Item->GetShape() == S_ARC )
    {
        double angle;
        m_Angle_Ctrl->GetValue().ToDouble( &angle );
        NORMALIZE_ANGLE_360(angle);
        m_Item->SetAngle( angle );
    }

    m_parent->OnModify();

    if( m_DC )
        m_Item->Draw( m_parent->GetCanvas(), m_DC, GR_OR );

    m_Item->DisplayInfo( m_parent );

    m_parent->SetDesignSettings( m_brdSettings );

    Close( true );
}

bool DIALOG_GRAPHIC_ITEM_PROPERTIES::TransferDataFromWindow()
{
    if( !DIALOG_GRAPHIC_ITEM_PROPERTIES_BASE::TransferDataFromWindow() )
        return false;

    m_parent->SaveCopyInUndoList( m_item, UR_CHANGED );

    wxString msg;

    if( m_DC )
        m_item->Draw( m_parent->GetCanvas(), m_DC, GR_XOR );

    msg = m_Center_StartXCtrl->GetValue();
    m_item->SetStartX( ValueFromString( g_UserUnit, msg ) );

    msg = m_Center_StartYCtrl->GetValue();
    m_item->SetStartY( ValueFromString( g_UserUnit, msg ) );

    msg = m_EndX_Radius_Ctrl->GetValue();
    m_item->SetEndX( ValueFromString( g_UserUnit, msg ) );

    msg = m_EndY_Ctrl->GetValue();
    m_item->SetEndY( ValueFromString( g_UserUnit, msg ) );

    msg = m_ThicknessCtrl->GetValue();
    m_item->SetWidth( ValueFromString( g_UserUnit, msg ) );

    msg = m_DefaultThicknessCtrl->GetValue();
    int thickness = ValueFromString( g_UserUnit, msg );

    m_item->SetLayer( ToLAYER_ID( m_LayerSelectionCtrl->GetLayerSelection() ) );

    if( m_item->GetLayer() == Edge_Cuts )
        m_brdSettings.m_EdgeSegmentWidth = thickness;
    else
        m_brdSettings.m_DrawSegmentWidth = thickness;

    if( m_item->GetShape() == S_ARC )
    {
        m_item->SetAngle( m_AngleValue * 10.0 );
    }

    m_parent->OnModify();

    if( m_DC )
        m_item->Draw( m_parent->GetCanvas(), m_DC, GR_OR );

    m_parent->SetMsgPanel( m_item );

    m_parent->SetDesignSettings( m_brdSettings );

    return true;
}

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 = LAYER_N_FRONT;

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

    g_Route_Layer_TOP = LAYER_N_FRONT;

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

    TmpSegm.SetLayer( UNDEFINED_LAYER );
    TmpSegm.SetNet( -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_N )
                break;

            TmpSegm.SetStart( DrawSegm->GetStart() );
            TmpSegm.SetEnd( DrawSegm->GetEnd() );
            TmpSegm.SetShape( DrawSegm->GetShape() );
            TmpSegm.m_Param = DrawSegm->GetAngle();

            TraceSegmentPcb( &TmpSegm, 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 POINT_EDITOR::addCorner( const VECTOR2I& aBreakPoint )
{
    EDA_ITEM* item = m_editPoints->GetParent();
    const SELECTION& selection = m_selectionTool->GetSelection();

    if( item->Type() == PCB_ZONE_AREA_T )
    {
        getEditFrame<PCB_BASE_FRAME>()->OnModify();
        getEditFrame<PCB_BASE_FRAME>()->SaveCopyInUndoList( selection.items, UR_CHANGED );

        ZONE_CONTAINER* zone = static_cast<ZONE_CONTAINER*>( item );
        CPolyLine* outline = zone->Outline();

        // Handle the last segment, so other segments can be easily handled in a loop
        unsigned int nearestIdx = outline->GetCornersCount() - 1, nextNearestIdx = 0;
        SEG side( VECTOR2I( outline->GetPos( nearestIdx ) ),
                  VECTOR2I( outline->GetPos( nextNearestIdx ) ) );
        unsigned int nearestDist = side.Distance( aBreakPoint );

        for( int i = 0; i < outline->GetCornersCount() - 1; ++i )
        {
            side = SEG( VECTOR2I( outline->GetPos( i ) ), VECTOR2I( outline->GetPos( i + 1 ) ) );

            unsigned int distance = side.Distance( aBreakPoint );
            if( distance < nearestDist )
            {
                nearestDist = distance;
                nearestIdx = i;
                nextNearestIdx = i + 1;
            }
        }

        // Find the point on the closest segment
        VECTOR2I sideOrigin( outline->GetPos( nearestIdx ) );
        VECTOR2I sideEnd( outline->GetPos( nextNearestIdx ) );
        SEG nearestSide( sideOrigin, sideEnd );
        VECTOR2I nearestPoint = nearestSide.NearestPoint( aBreakPoint );

        // Do not add points that have the same coordinates as ones that already belong to polygon
        // instead, add a point in the middle of the side
        if( nearestPoint == sideOrigin || nearestPoint == sideEnd )
            nearestPoint = ( sideOrigin + sideEnd ) / 2;

        outline->InsertCorner( nearestIdx, nearestPoint.x, nearestPoint.y );
    }

    else if( item->Type() == PCB_LINE_T || item->Type() == PCB_MODULE_EDGE_T )
    {
        bool moduleEdge = item->Type() == PCB_MODULE_EDGE_T;
        PCB_BASE_FRAME* frame = getEditFrame<PCB_BASE_FRAME>();

        frame->OnModify();

        if( moduleEdge )
            frame->SaveCopyInUndoList( getModel<BOARD>()->m_Modules, UR_MODEDIT );
        else
            frame->SaveCopyInUndoList( selection.items, UR_CHANGED );

        DRAWSEGMENT* segment = static_cast<DRAWSEGMENT*>( item );

        if( segment->GetShape() == S_SEGMENT )
        {
            SEG seg( segment->GetStart(), segment->GetEnd() );
            VECTOR2I nearestPoint = seg.NearestPoint( aBreakPoint );

            // Move the end of the line to the break point..
            segment->SetEnd( wxPoint( nearestPoint.x, nearestPoint.y ) );

            // and add another one starting from the break point
            DRAWSEGMENT* newSegment;

            if( moduleEdge )
            {
                EDGE_MODULE* edge = static_cast<EDGE_MODULE*>( segment );
                assert( segment->GetParent()->Type() == PCB_MODULE_T );
                newSegment = new EDGE_MODULE( *edge );
                edge->SetLocalCoord();
            }
            else
            {
                newSegment = new DRAWSEGMENT( *segment );
            }

            newSegment->ClearSelected();
            newSegment->SetStart( wxPoint( nearestPoint.x, nearestPoint.y ) );
            newSegment->SetEnd( wxPoint( seg.B.x, seg.B.y ) );

            if( moduleEdge )
            {
                static_cast<EDGE_MODULE*>( newSegment )->SetLocalCoord();
                getModel<BOARD>()->m_Modules->Add( newSegment );
            }
            else
            {
                getModel<BOARD>()->Add( newSegment );
            }

            getView()->Add( newSegment );
        }
    }
//.........这里部分代码省略.........

void POINT_EDITOR::updateItem() const
{
    EDA_ITEM* item = m_editPoints->GetParent();

    switch( item->Type() )
    {
    case PCB_LINE_T:
    case PCB_MODULE_EDGE_T:
    {
        DRAWSEGMENT* segment = static_cast<DRAWSEGMENT*>( item );
        switch( segment->GetShape() )
        {
        case S_SEGMENT:
            if( isModified( m_editPoints->Point( SEG_START ) ) )
                segment->SetStart( wxPoint( m_editPoints->Point( SEG_START ).GetPosition().x,
                                            m_editPoints->Point( SEG_START ).GetPosition().y ) );

            else if( isModified( m_editPoints->Point( SEG_END ) ) )
                segment->SetEnd( wxPoint( m_editPoints->Point( SEG_END ).GetPosition().x,
                                          m_editPoints->Point( SEG_END ).GetPosition().y ) );

            break;

        case S_ARC:
        {
            const VECTOR2I& center = m_editPoints->Point( ARC_CENTER ).GetPosition();
            const VECTOR2I& start = m_editPoints->Point( ARC_START ).GetPosition();
            const VECTOR2I& end = m_editPoints->Point( ARC_END ).GetPosition();

            if( center != segment->GetCenter() )
            {
                wxPoint moveVector = wxPoint( center.x, center.y ) - segment->GetCenter();
                segment->Move( moveVector );

                m_editPoints->Point( ARC_START ).SetPosition( segment->GetArcStart() );
                m_editPoints->Point( ARC_END ).SetPosition( segment->GetArcEnd() );
            }

            else
            {
                segment->SetArcStart( wxPoint( start.x, start.y ) );

                VECTOR2D startLine = start - center;
                VECTOR2I endLine = end - center;
                double newAngle = RAD2DECIDEG( endLine.Angle() - startLine.Angle() );

                // Adjust the new angle to (counter)clockwise setting
                bool clockwise = ( segment->GetAngle() > 0 );

                if( clockwise && newAngle < 0.0 )
                    newAngle += 3600.0;
                else if( !clockwise && newAngle > 0.0 )
                    newAngle -= 3600.0;

                segment->SetAngle( newAngle );
            }

            break;
        }

        case S_CIRCLE:
        {
            const VECTOR2I& center = m_editPoints->Point( CIRC_CENTER ).GetPosition();
            const VECTOR2I& end = m_editPoints->Point( CIRC_END ).GetPosition();

            if( isModified( m_editPoints->Point( CIRC_CENTER ) ) )
            {
                wxPoint moveVector = wxPoint( center.x, center.y ) - segment->GetCenter();
                segment->Move( moveVector );
            }
            else
            {
                segment->SetEnd( wxPoint( end.x, end.y ) );
            }

            break;
        }

        default:        // suppress warnings
            break;
        }

        // Update relative coordinates for module edges
        if( EDGE_MODULE* edge = dyn_cast<EDGE_MODULE*>( item ) )
            edge->SetLocalCoord();

        break;
    }

    case PCB_ZONE_AREA_T:
    {
        ZONE_CONTAINER* zone = static_cast<ZONE_CONTAINER*>( item );
        zone->ClearFilledPolysList();
        CPolyLine* outline = zone->Outline();

        for( int i = 0; i < outline->GetCornersCount(); ++i )
        {
            VECTOR2I point = m_editPoints->Point( i ).GetPosition();
            outline->SetX( i, point.x );
            outline->SetY( i, point.y );
//.........这里部分代码省略.........

/**
 * Function ConvertOutlineToPolygon
 * build a polygon (with holes) from a DRAWSEGMENT list, which is expected to be
 * a outline, therefore a closed main outline with perhaps closed inner outlines.
 * These closed inner outlines are considered as holes in the main outline
 * @param aSegList the initial list of drawsegments (only lines, circles and arcs).
 * @param aPolygons will contain the complex polygon.
 * @param aTolerance is the max distance between points that is still accepted as connected (internal units)
 * @param aErrorText is a wxString to return error message.
 * @param aErrorLocation is the optional position of the error in the outline
 */
bool ConvertOutlineToPolygon( std::vector<DRAWSEGMENT*>& aSegList, SHAPE_POLY_SET& aPolygons,
                              wxString* aErrorText, unsigned int aTolerance, wxPoint* aErrorLocation )
{
    if( aSegList.size() == 0 )
        return true;

    wxString msg;

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

    DRAWSEGMENT* graphic;
    wxPoint prevPt;

    // Find edge point with minimum x, this should be in the outer polygon
    // which will define the perimeter Edge.Cuts polygon.
    wxPoint xmin    = wxPoint( INT_MAX, 0 );
    int     xmini   = 0;

    for( size_t i = 0; i < segList.size(); i++ )
    {
        graphic = (DRAWSEGMENT*) segList[i];

        switch( graphic->GetShape() )
        {
        case S_SEGMENT:
            {
                if( graphic->GetStart().x < xmin.x )
                {
                    xmin    = graphic->GetStart();
                    xmini   = i;
                }

                if( graphic->GetEnd().x < xmin.x )
                {
                    xmin    = graphic->GetEnd();
                    xmini   = i;
                }
            }
            break;

        case S_ARC:
            // Freerouter does not yet understand arcs, so approximate
            // an arc with a series of short lines and put those
            // line segments into the !same! PATH.
            {
                wxPoint  pstart = graphic->GetArcStart();
                wxPoint  center = graphic->GetCenter();
                double   angle  = -graphic->GetAngle();
                double   radius = graphic->GetRadius();
                int      steps  = GetArcToSegmentCount( radius, ARC_LOW_DEF, angle / 10.0 );
                wxPoint  pt;

                for( int step = 1; step<=steps; ++step )
                {
                    double rotation = ( angle * step ) / steps;

                    pt = pstart;

                    RotatePoint( &pt, center, rotation );

                    if( pt.x < xmin.x )
                    {
                        xmin  = pt;
                        xmini = i;
                    }
                }
            }
            break;

        case S_CIRCLE:
            {
                wxPoint pt = graphic->GetCenter();

                // pt has minimum x point
                pt.x -= graphic->GetRadius();

                // when the radius <= 0, this is a mal-formed circle. Skip it
                if( graphic->GetRadius() > 0 && pt.x < xmin.x )
                {
                    xmin  = pt;
                    xmini = i;
                }
            }
            break;

        case S_CURVE:
            {
                graphic->RebuildBezierToSegmentsPointsList( graphic->GetWidth() );
//.........这里部分代码省略.........

/**
 * Function idf_export_outline
 * retrieves line segment information from the edge layer and compiles
 * the data into a form which can be output as an IDFv3 compliant
 * BOARD_OUTLINE section.
 */
static void idf_export_outline( BOARD* aPcb, IDF3_BOARD& aIDFBoard )
{
    double scale = aIDFBoard.GetUserScale();

    DRAWSEGMENT* graphic;               // KiCad graphical item
    IDF_POINT sp, ep;                   // start and end points from KiCad item

    std::list< IDF_SEGMENT* > lines;    // IDF intermediate form of KiCad graphical item
    IDF_OUTLINE* outline = NULL;        // graphical items forming an outline or cutout

    // NOTE: IMPLEMENTATION
    // If/when component cutouts are allowed, we must implement them separately. Cutouts
    // must be added to the board outline section and not to the Other Outline section.
    // The module cutouts should be handled via the idf_export_module() routine.

    double offX, offY;
    aIDFBoard.GetUserOffset( offX, offY );

    // Retrieve segments and arcs from the board
    for( BOARD_ITEM* item = aPcb->m_Drawings; item; item = item->Next() )
    {
        if( item->Type() != PCB_LINE_T || item->GetLayer() != Edge_Cuts )
            continue;

        graphic = (DRAWSEGMENT*) item;

        switch( graphic->GetShape() )
        {
        case S_SEGMENT:
            {
                if( ( graphic->GetStart().x == graphic->GetEnd().x )
                    && ( graphic->GetStart().y == graphic->GetEnd().y ) )
                    break;

                sp.x    = graphic->GetStart().x * scale + offX;
                sp.y    = -graphic->GetStart().y * scale + offY;
                ep.x    = graphic->GetEnd().x * scale + offX;
                ep.y    = -graphic->GetEnd().y * scale + offY;
                IDF_SEGMENT* seg = new IDF_SEGMENT( sp, ep );

                if( seg )
                    lines.push_back( seg );
            }
            break;

        case S_ARC:
            {
                if( ( graphic->GetCenter().x == graphic->GetArcStart().x )
                    && ( graphic->GetCenter().y == graphic->GetArcStart().y ) )
                    break;

                sp.x = graphic->GetCenter().x * scale + offX;
                sp.y = -graphic->GetCenter().y * scale + offY;
                ep.x = graphic->GetArcStart().x * scale + offX;
                ep.y = -graphic->GetArcStart().y * scale + offY;
                IDF_SEGMENT* seg = new IDF_SEGMENT( sp, ep, -graphic->GetAngle() / 10.0, true );

                if( seg )
                    lines.push_back( seg );
            }
            break;

        case S_CIRCLE:
            {
                if( graphic->GetRadius() == 0 )
                    break;

                sp.x = graphic->GetCenter().x * scale + offX;
                sp.y = -graphic->GetCenter().y * scale + offY;
                ep.x = sp.x - graphic->GetRadius() * scale;
                ep.y = sp.y;
                // Circles must always have an angle of +360 deg. to appease
                // quirky MCAD implementations of IDF.
                IDF_SEGMENT* seg = new IDF_SEGMENT( sp, ep, 360.0, true );

                if( seg )
                    lines.push_back( seg );
            }
            break;

        default:
            break;
        }
    }

    // if there is no outline then use the bounding box
    if( lines.empty() )
    {
        goto UseBoundingBox;
    }

    // get the board outline and write it out
    // note: we do not use a try/catch block here since we intend
    // to simply ignore unclosed loops and continue processing
//.........这里部分代码省略.........

bool DIALOG_GRAPHIC_ITEM_PROPERTIES::Validate()
{
    wxArrayString error_msgs;

    if( !DIALOG_GRAPHIC_ITEM_PROPERTIES_BASE::Validate() )
        return false;

    // Load the start and end points -- all types use these in the checks.
    int startx = ValueFromString( g_UserUnit, m_Center_StartXCtrl->GetValue() );
    int starty = ValueFromString( g_UserUnit, m_Center_StartYCtrl->GetValue() );
    int endx   = ValueFromString( g_UserUnit, m_EndX_Radius_Ctrl->GetValue() );
    int endy   = ValueFromString( g_UserUnit, m_EndY_Ctrl->GetValue() );

    // Type specific checks.
    switch( m_item->GetShape() )
    {
    case S_ARC:
        // Check angle of arc.
        if( m_AngleValue == 0.0 )
        {
            error_msgs.Add( _( "The arc angle must be greater than zero." ) );
        }

        // Fall through.
    case S_CIRCLE:

        // Check radius.
        if( (startx == endx) && (starty == endy) )
        {
            error_msgs.Add( _( "The radius must be greater than zero." ) );
        }

        break;

    default:

        // Check start and end are not the same.
        if( (startx == endx) && (starty == endy) )
        {
            error_msgs.Add( _( "The start and end points cannot be the same." ) );
        }

        break;
    }

    // Check the item thickness.
    int thickness = ValueFromString( g_UserUnit, m_ThicknessCtrl->GetValue() );

    if( thickness <= 0 )
        error_msgs.Add( _( "The item thickness must be greater than zero." ) );

    // And the default thickness.
    thickness = ValueFromString( g_UserUnit, m_DefaultThicknessCtrl->GetValue() );

    if( thickness <= 0 )
        error_msgs.Add( _( "The default thickness must be greater than zero." ) );

    if( error_msgs.GetCount() )
    {
        HTML_MESSAGE_BOX dlg( this, _( "Error List" ) );
        dlg.ListSet( error_msgs );
        dlg.ShowModal();
    }

    return error_msgs.GetCount() == 0;
}

bool DIALOG_GRAPHIC_ITEM_PROPERTIES::TransferDataToWindow()
{
    // Set unit symbol
    wxStaticText* texts_unit[] =
    {
        m_StartPointXUnit,
        m_StartPointYUnit,
        m_EndPointXUnit,
        m_EndPointYUnit,
        m_ThicknessTextUnit,
        m_DefaulThicknessTextUnit,
    };

    for( size_t ii = 0; ii < DIM( texts_unit ); ii++ )
    {
        texts_unit[ii]->SetLabel( GetAbbreviatedUnitsLabel() );
    }

    wxString msg;

    // Change texts according to the segment shape:
    switch( m_item->GetShape() )
    {
    case S_CIRCLE:
        SetTitle( _( "Circle Properties" ) );
        m_StartPointXLabel->SetLabel( _( "Center X:" ) );
        m_StartPointYLabel->SetLabel( _( "Center Y:" ) );
        m_EndPointXLabel->SetLabel( _( "Point X:" ) );
        m_EndPointYLabel->SetLabel( _( "Point Y:" ) );
        m_AngleText->Show( false );
        m_AngleCtrl->Show( false );
        m_AngleUnit->Show( false );
        break;

    case S_ARC:
        SetTitle( _( "Arc Properties" ) );
        m_StartPointXLabel->SetLabel( _( "Center X:" ) );
        m_StartPointYLabel->SetLabel( _( "Center Y:" ) );
        m_EndPointXLabel->SetLabel( _( "Start Point X:" ) );
        m_EndPointYLabel->SetLabel( _( "Start Point Y:" ) );

        m_AngleValue = m_item->GetAngle() / 10.0;
        break;

    case S_SEGMENT:
        SetTitle( _( "Line Segment Properties" ) );

        // Fall through.
    default:
        m_AngleText->Show( false );
        m_AngleCtrl->Show( false );
        m_AngleUnit->Show( false );
        break;
    }

    PutValueInLocalUnits( *m_Center_StartXCtrl, m_item->GetStart().x );

    PutValueInLocalUnits( *m_Center_StartYCtrl, m_item->GetStart().y );

    PutValueInLocalUnits( *m_EndX_Radius_Ctrl, m_item->GetEnd().x );

    PutValueInLocalUnits( *m_EndY_Ctrl, m_item->GetEnd().y );

    PutValueInLocalUnits( *m_ThicknessCtrl, m_item->GetWidth() );

    int thickness;

    if( m_item->GetLayer() == Edge_Cuts )
        thickness = m_brdSettings.m_EdgeSegmentWidth;
    else
        thickness = m_brdSettings.m_DrawSegmentWidth;

    PutValueInLocalUnits( *m_DefaultThicknessCtrl, thickness );

    // Configure the layers list selector
    m_LayerSelectionCtrl->SetLayersHotkeys( false );
    m_LayerSelectionCtrl->SetLayerSet( LSET::AllCuMask() );
    m_LayerSelectionCtrl->SetBoardFrame( m_parent );
    m_LayerSelectionCtrl->Resync();

    if( m_LayerSelectionCtrl->SetLayerSelection( m_item->GetLayer() ) < 0 )
    {
        wxMessageBox( _( "This item was on an unknown layer.\n"
                         "It has been moved to the drawings layer. Please fix it." ) );
        m_LayerSelectionCtrl->SetLayerSelection( Dwgs_User );
    }

    return DIALOG_GRAPHIC_ITEM_PROPERTIES_BASE::TransferDataToWindow();
}

//.........这里部分代码省略.........
                break;
            }
        }

        else if ( evt->IsClick( BUT_RIGHT ) )
        {
            showContextMenu();
        }

        else if( evt->IsClick( BUT_LEFT ) )
        {
            // Place the drawing
            BOARD_ITEM_CONTAINER* parent = m_frame->GetModel();

            for( auto item : preview )
            {
                if( m_editModules )
                {
                    // Modules use different types for the same things,
                    // so we need to convert imported items to appropriate classes.
                    BOARD_ITEM* converted = NULL;

                    switch( item->Type() )
                    {
                    case PCB_TEXT_T:
                    {
                        TEXTE_PCB* text = static_cast<TEXTE_PCB*>( item );
                        TEXTE_MODULE* textMod = new TEXTE_MODULE( (MODULE*) parent );
                        // Assignment operator also copies the item PCB_TEXT_T type,
                        // so it cannot be added to a module which handles PCB_MODULE_TEXT_T
                        textMod->SetPosition( text->GetPosition() );
                        textMod->SetText( text->GetText() );
                        textMod->SetSize( text->GetSize() );
                        textMod->SetThickness( text->GetThickness() );
                        textMod->SetOrientation( text->GetOrientation() );
                        textMod->SetTextPosition( text->GetTextPosition() );
                        textMod->SetSize( text->GetSize() );
                        textMod->SetMirrored( text->IsMirrored() );
                        textMod->SetAttributes( text->GetAttributes() );
                        textMod->SetItalic( text->IsItalic() );
                        textMod->SetBold( text->IsBold() );
                        textMod->SetHorizJustify( text->GetHorizJustify() );
                        textMod->SetVertJustify( text->GetVertJustify() );
                        textMod->SetMultilineAllowed( text->IsMultilineAllowed() );
                        converted = textMod;
                        break;
                    }

                    case PCB_LINE_T:
                    {
                        DRAWSEGMENT* seg = static_cast<DRAWSEGMENT*>( item );
                        EDGE_MODULE* modSeg = new EDGE_MODULE( (MODULE*) parent );

                        // Assignment operator also copies the item PCB_LINE_T type,
                        // so it cannot be added to a module which handles PCB_MODULE_EDGE_T
                        modSeg->SetWidth( seg->GetWidth() );
                        modSeg->SetStart( seg->GetStart() );
                        modSeg->SetEnd( seg->GetEnd() );
                        modSeg->SetAngle( seg->GetAngle() );
                        modSeg->SetShape( seg->GetShape() );
                        modSeg->SetType( seg->GetType() );
                        modSeg->SetBezControl1( seg->GetBezControl1() );
                        modSeg->SetBezControl2( seg->GetBezControl2() );
                        modSeg->SetBezierPoints( seg->GetBezierPoints() );
                        modSeg->SetPolyPoints( seg->GetPolyPoints() );
                        converted = modSeg;
                        break;
                    }

                    default:
                        assert( false );
                        break;
                    }

                    if( converted )
                        converted->SetLayer( item->GetLayer() );

                    delete item;
                    item = converted;
                }

                if( item )
                    commit.Add( item );
            }

            commit.Push( _( "Place a DXF drawing" ) );
            break;
        }
    }

    preview.Clear();

    m_controls->ShowCursor( false );
    m_controls->SetSnapping( false );
    m_controls->SetAutoPan( false );
    m_controls->CaptureCursor( false );
    m_view->Remove( &preview );

    return 0;
}

void DIALOG_GRAPHIC_ITEM_PROPERTIES::initDlg()
{
    m_StandardButtonsSizerOK->SetDefault();

    // Set unit symbol
    wxStaticText* texts_unit[] =
    {
        m_StartPointXUnit,
        m_StartPointYUnit,
        m_EndPointXUnit,
        m_EndPointYUnit,
        m_ThicknessTextUnit,
        m_DefaulThicknessTextUnit,
        NULL
    };

    for( int ii = 0; ; ii++ )
    {
        if( texts_unit[ii] == NULL )
            break;

        texts_unit[ii]->SetLabel( GetAbbreviatedUnitsLabel() );
    }

    wxString msg;

    // Change texts according to the segment shape:
    switch( m_item->GetShape() )
    {
    case S_CIRCLE:
        SetTitle( _( "Circle Properties" ) );
        m_StartPointXLabel->SetLabel( _( "Center X" ) );
        m_StartPointYLabel->SetLabel( _( "Center Y" ) );
        m_EndPointXLabel->SetLabel( _( "Point X" ) );
        m_EndPointYLabel->SetLabel( _( "Point Y" ) );
        m_Angle_Text->Show( false );
        m_Angle_Ctrl->Show( false );
        m_AngleUnit->Show( false );
        break;

    case S_ARC:
        SetTitle( _( "Arc Properties" ) );
        m_StartPointXLabel->SetLabel( _( "Center X" ) );
        m_StartPointYLabel->SetLabel( _( "Center Y" ) );
        m_EndPointXLabel->SetLabel( _( "Start Point X" ) );
        m_EndPointYLabel->SetLabel( _( "Start Point Y" ) );

        // Here the angle is a double, but the UI is still working with integers.
        msg << int( m_item->GetAngle() );
        m_Angle_Ctrl->SetValue( msg );
        break;

    case S_SEGMENT:
        SetTitle( _( "Line Segment Properties" ) );

        // Fall through.
    default:
        m_Angle_Text->Show( false );
        m_Angle_Ctrl->Show( false );
        m_AngleUnit->Show( false );
        break;
    }

    PutValueInLocalUnits( *m_Center_StartXCtrl, m_item->GetStart().x );

    PutValueInLocalUnits( *m_Center_StartYCtrl, m_item->GetStart().y );

    PutValueInLocalUnits( *m_EndX_Radius_Ctrl, m_item->GetEnd().x );

    PutValueInLocalUnits( *m_EndY_Ctrl, m_item->GetEnd().y );

    PutValueInLocalUnits( *m_ThicknessCtrl, m_item->GetWidth() );

    int thickness;

    if( m_item->GetLayer() == Edge_Cuts )
        thickness = m_brdSettings.m_EdgeSegmentWidth;
    else
        thickness = m_brdSettings.m_DrawSegmentWidth;

    PutValueInLocalUnits( *m_DefaultThicknessCtrl, thickness );

    // Configure the layers list selector
    m_LayerSelectionCtrl->SetLayersHotkeys( false );
    m_LayerSelectionCtrl->SetLayerSet( LSET::AllCuMask() );
    m_LayerSelectionCtrl->SetBoardFrame( m_parent );
    m_LayerSelectionCtrl->Resync();

    if( m_LayerSelectionCtrl->SetLayerSelection( m_item->GetLayer() ) < 0 )
    {
        wxMessageBox( _( "This item was on an unknown layer.\n"
                         "It has been moved to the drawings layer. Please fix it." ) );
        m_LayerSelectionCtrl->SetLayerSelection( Dwgs_User );
    }
}