C++ EDA_RECT::Centre方法代码示例

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

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

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

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

    wxPoint offset =  bBox.Centre();
    NEGATE( offset.x );
    NEGATE( offset.y );

    GRResetPenAndBrush( &dc );
    m_dummyPin->Draw( NULL, &dc, offset, UNSPECIFIED_COLOR, GR_COPY,
                      NULL, DefaultTransform );

    m_dummyPin->SetParent(NULL);

    event.Skip();
}

void LIB_FIELD::Plot( PLOTTER* aPlotter, const wxPoint& aOffset, bool aFill,
                      const TRANSFORM& aTransform )
{
    if( IsVoid() )
        return;

    /* Calculate the text orientation, according to the component
     * orientation/mirror */
    int orient = m_Orient;

    if( aTransform.y1 )  // Rotate component 90 deg.
    {
        if( orient == TEXT_ORIENT_HORIZ )
            orient = TEXT_ORIENT_VERT;
        else
            orient = TEXT_ORIENT_HORIZ;
    }

    EDA_RECT BoundaryBox = GetBoundingBox();
    EDA_TEXT_HJUSTIFY_T hjustify = GR_TEXT_HJUSTIFY_CENTER;
    EDA_TEXT_VJUSTIFY_T vjustify = GR_TEXT_VJUSTIFY_CENTER;
    wxPoint textpos = aTransform.TransformCoordinate( BoundaryBox.Centre() )
                      + aOffset;

    aPlotter->Text( textpos, GetDefaultColor(), m_Text, orient, m_Size,
                    hjustify, vjustify,
                    GetPenSize(), m_Italic, m_Bold );
}

wxPoint BOARD_NETLIST_UPDATER::estimateComponentInsertionPosition()
{
    wxPoint bestPosition;

    if( !m_board->IsEmpty() )
    {
        // Position new components below any existing board features.
        EDA_RECT bbox = m_board->ComputeBoundingBox( true );

        if( bbox.GetWidth() || bbox.GetHeight() )
        {
            bestPosition.x = bbox.Centre().x;
            bestPosition.y = bbox.GetBottom() + Millimeter2iu( 10 );
        }
    }
    else
    {
        // Position new components in the center of the page when the board is empty.
        wxSize pageSize = m_board->GetPageSettings().GetSizeIU();

        bestPosition.x = pageSize.GetWidth() / 2;
        bestPosition.y = pageSize.GetHeight() / 2;
    }

    return bestPosition;
}

void LIB_TEXT::Plot( PLOTTER* plotter, const wxPoint& offset, bool fill,
                     const TRANSFORM& aTransform )
{
    wxASSERT( plotter != NULL );

    EDA_RECT bBox = GetBoundingBox();
    // convert coordinates from draw Y axis to libedit Y axis
    bBox.RevertYAxis();
    wxPoint txtpos = bBox.Centre();

    /* The text orientation may need to be flipped if the
     * transformation matrix causes xy axes to be flipped. */
    int t1  = ( aTransform.x1 != 0 ) ^ ( GetTextAngle() != 0 );
    wxPoint pos = aTransform.TransformCoordinate( txtpos ) + offset;

    // Get color
    COLOR4D color;

    if( plotter->GetColorMode() )       // Used normal color or selected color
        color = IsSelected() ? GetItemSelectedColor() : GetDefaultColor();
    else
        color = COLOR4D::BLACK;

    plotter->Text( pos, color, GetShownText(),
                   t1 ? TEXT_ANGLE_HORIZ : TEXT_ANGLE_VERT,
                   GetTextSize(), GR_TEXT_HJUSTIFY_CENTER, GR_TEXT_VJUSTIFY_CENTER,
                   GetPenSize(), IsItalic(), IsBold() );
}

// Render the preview in our m_componentView. If this gets more complicated, we should
// probably have a derived class from wxPanel; but this keeps things local.
void DIALOG_CHOOSE_COMPONENT::renderPreview( LIB_PART* aComponent, int aUnit )
{
    wxPaintDC dc( m_componentView );
    EDA_COLOR_T bgcolor = m_parent->GetDrawBgColor();

    dc.SetBackground( bgcolor == BLACK ? *wxBLACK_BRUSH : *wxWHITE_BRUSH );
    dc.Clear();

    if( aComponent == NULL )
        return;

    if( aUnit <= 0 )
        aUnit = 1;

    const wxSize dc_size = dc.GetSize();
    dc.SetDeviceOrigin( dc_size.x / 2, dc_size.y / 2 );

    // Find joint bounding box for everything we are about to draw.
    EDA_RECT bBox = aComponent->GetBoundingBox( aUnit, m_deMorganConvert );
    const double xscale = (double) dc_size.x / bBox.GetWidth();
    const double yscale = (double) dc_size.y / bBox.GetHeight();
    const double scale  = std::min( xscale, yscale ) * 0.85;

    dc.SetUserScale( scale, scale );

    wxPoint offset =  bBox.Centre();
    NEGATE( offset.x );
    NEGATE( offset.y );

    aComponent->Draw( NULL, &dc, offset, aUnit, m_deMorganConvert, GR_COPY,
                      UNSPECIFIED_COLOR, DefaultTransform, true, true, false );
}

void SCH_FIELD::Plot( PLOTTER* aPlotter )
{
    SCH_COMPONENT* parent = ( SCH_COMPONENT* ) GetParent();

    wxCHECK_RET( parent != NULL && parent->Type() == SCH_COMPONENT_T,
                 wxT( "Cannot plot field with invalid parent." ) );

    EDA_COLOR_T color = ReturnLayerColor( GetLayer() );

    if( m_Attributs & TEXT_NO_VISIBLE )
        return;

    if( IsVoid() )
        return;

    /* Calculate the text orientation, according to the component
     * orientation/mirror */
    int orient = m_Orient;

    if( parent->GetTransform().y1 )  // Rotate component 90 deg.
    {
        if( orient == TEXT_ORIENT_HORIZ )
            orient = TEXT_ORIENT_VERT;
        else
            orient = TEXT_ORIENT_HORIZ;
    }

    /* Calculate the text justification, according to the component
     * orientation/mirror
     * this is a bit complicated due to cumulative calculations:
     * - numerous cases (mirrored or not, rotation)
     * - the DrawGraphicText function recalculate also H and H justifications
     *      according to the text orientation.
     * - When a component is mirrored, the text is not mirrored and
     *   justifications are complicated to calculate
     * so the more easily way is to use no justifications ( Centered text )
     * and use GetBoundaryBox to know the text coordinate considered as centered
     */
    EDA_RECT BoundaryBox = GetBoundingBox();
    EDA_TEXT_HJUSTIFY_T hjustify = GR_TEXT_HJUSTIFY_CENTER;
    EDA_TEXT_VJUSTIFY_T vjustify = GR_TEXT_VJUSTIFY_CENTER;
    wxPoint  textpos = BoundaryBox.Centre();

    int      thickness = GetPenSize();

    if( (parent->GetPartCount() <= 1) || (m_id != REFERENCE) )
    {
        aPlotter->Text( textpos, color, m_Text, orient, m_Size, hjustify, vjustify,
                        thickness, m_Italic, m_Bold );
    }
    else    /* We plot the reference, for a multiple parts per package */
    {
        /* Adding A, B ... to the reference */
        wxString Text = m_Text + LIB_COMPONENT::ReturnSubReference( parent->GetUnit() );

        aPlotter->Text( textpos, color, Text, orient, m_Size, hjustify, vjustify,
                        thickness, m_Italic, m_Bold );
    }
}

double FOOTPRINT_EDIT_FRAME::BestZoom()
{
    EDA_RECT    ibbbox  = GetBoardBoundingBox();

    double sizeX = (double) ibbbox.GetWidth();
    double sizeY = (double) ibbbox.GetHeight();

    wxPoint centre = ibbbox.Centre();

    // Reserve a 20% margin around "board" bounding box.
    double margin_scale_factor = 1.2;
    return bestZoom( sizeX, sizeY, margin_scale_factor, centre );
}

void SCH_FIELD::Plot( PLOTTER* aPlotter )
{
    SCH_COMPONENT* parent = ( SCH_COMPONENT* ) GetParent();

    wxCHECK_RET( parent != NULL && parent->Type() == SCH_COMPONENT_T,
                 wxT( "Cannot plot field with invalid parent." ) );

    COLOR4D color = GetLayerColor( GetLayer() );

    if( !IsVisible() )
        return;

    if( IsVoid() )
        return;

    /* Calculate the text orientation, according to the component
     * orientation/mirror */
    int orient = GetTextAngle();

    if( parent->GetTransform().y1 )  // Rotate component 90 deg.
    {
        if( orient == TEXT_ANGLE_HORIZ )
            orient = TEXT_ANGLE_VERT;
        else
            orient = TEXT_ANGLE_HORIZ;
    }

    /* Calculate the text justification, according to the component
     * orientation/mirror
     * this is a bit complicated due to cumulative calculations:
     * - numerous cases (mirrored or not, rotation)
     * - the DrawGraphicText function recalculate also H and H justifications
     *      according to the text orientation.
     * - When a component is mirrored, the text is not mirrored and
     *   justifications are complicated to calculate
     * so the more easily way is to use no justifications ( Centered text )
     * and use GetBoundaryBox to know the text coordinate considered as centered
     */
    EDA_RECT BoundaryBox = GetBoundingBox();
    EDA_TEXT_HJUSTIFY_T hjustify = GR_TEXT_HJUSTIFY_CENTER;
    EDA_TEXT_VJUSTIFY_T vjustify = GR_TEXT_VJUSTIFY_CENTER;
    wxPoint  textpos = BoundaryBox.Centre();

    int      thickness = GetPenSize();

    aPlotter->Text( textpos, color, GetFullyQualifiedText(), orient, GetTextSize(),
            hjustify, vjustify,
            thickness, IsItalic(), IsBold() );
}

bool SCH_TEXT::Matches( wxFindReplaceData& aSearchData, void* aAuxData, wxPoint * aFindLocation )
{
    wxLogTrace( traceFindItem, wxT( "  item " ) + GetSelectMenuText( MILLIMETRES ) );

    if( SCH_ITEM::Matches( m_Text, aSearchData ) )
    {
        EDA_RECT BoundaryBox = GetBoundingBox();

        if( aFindLocation )
            *aFindLocation = BoundaryBox.Centre();

        return true;
    }

    return false;
}

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

    LIB_COMPONENT*  component = NULL;
    double          bestzoom = 16.0;      // default value for bestzoom
    CMP_LIBRARY*    lib = CMP_LIBRARY::FindLibrary( m_libraryName );

    if( lib  )
        component = lib->FindComponent( m_entryName );

    if( component == NULL )
    {
        SetScrollCenterPosition( wxPoint( 0, 0 ) );
        return bestzoom;
    }

    wxSize size = m_canvas->GetClientSize();

    EDA_RECT BoundaryBox = component->GetBoundingBox( m_unit, m_convert );

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

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

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

    SetScrollCenterPosition( BoundaryBox.Centre() );

    return bestzoom;
}

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

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

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

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

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

    return bestzoom;
}

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

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

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

    wxSize  size = m_canvas->GetClientSize();

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

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

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

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

    LIB_ALIAS* alias = nullptr;

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

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

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

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

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

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

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

double GERBVIEW_FRAME::BestZoom()
{
    EDA_RECT bbox = GetGerberLayout()->ComputeBoundingBox();

    // gives a size to bbox (current page size), if no item in list
    if( bbox.GetWidth() == 0 || bbox.GetHeight() == 0 )
    {
        wxSize pagesize = GetPageSettings().GetSizeMils();
        bbox.SetSize( wxSize( Mils2iu( pagesize.x ), Mils2iu( pagesize.y ) ) );
    }

    // Compute best zoom:
    wxSize  size = m_canvas->GetClientSize();
    double  x   = (double) bbox.GetWidth() / (double) size.x;
    double  y   = (double) bbox.GetHeight() / (double) size.y;
    double  best_zoom = std::max( x, y ) * 1.1;

    SetScrollCenterPosition( bbox.Centre() );

    return best_zoom;
}

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

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

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

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

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

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