int PCBNEW_CONTROL::ZoomFitScreen( const TOOL_EVENT& aEvent )
{
    KIGFX::VIEW* view = getView();
    EDA_DRAW_PANEL_GAL* galCanvas = m_frame->GetGalCanvas();
    BOARD* board = getModel<BOARD>();
    board->ComputeBoundingBox();

    BOX2I boardBBox = board->ViewBBox();
    VECTOR2D scrollbarSize = VECTOR2D( galCanvas->GetSize() - galCanvas->GetClientSize() );
    VECTOR2D screenSize = view->ToWorld( galCanvas->GetClientSize(), false );

    if( boardBBox.GetWidth() == 0 || boardBBox.GetHeight() == 0 )
    {
        // Empty view
        view->SetScale( 17.0 );     // works fine for the standard worksheet frame

        view->SetCenter( screenSize / 2.0 );
    }
    else
    {
        VECTOR2D vsize = boardBBox.GetSize();
        double scale = view->GetScale() / std::max( fabs( vsize.x / screenSize.x ),
                                                    fabs( vsize.y / screenSize.y ) );

        view->SetScale( scale );
        view->SetCenter( boardBBox.Centre() );
    }


    // Take scrollbars into account
    VECTOR2D worldScrollbarSize = view->ToWorld( scrollbarSize, false );
    view->SetCenter( view->GetCenter() + worldScrollbarSize / 2.0 );

    return 0;
}
void EDA_DRAW_FRAME::UseGalCanvas( bool aEnable )
{
    KIGFX::VIEW* view = GetGalCanvas()->GetView();
    KIGFX::GAL* gal = GetGalCanvas()->GetGAL();

    double zoomFactor = gal->GetWorldScale() / gal->GetZoomFactor();

    // Display the same view after canvas switching
    if( aEnable )
    {
        BASE_SCREEN* screen = GetScreen();

        // Switch to GAL rendering
        if( !IsGalCanvasActive() )
        {
            // Set up viewport
            double zoom = 1.0 / ( zoomFactor * m_canvas->GetZoom() );
            view->SetScale( zoom );
            view->SetCenter( VECTOR2D( m_canvas->GetScreenCenterLogicalPosition() ) );
        }

        // Set up grid settings
        gal->SetGridVisibility( IsGridVisible() );
        gal->SetGridSize( VECTOR2D( screen->GetGridSize().x, screen->GetGridSize().y ) );
        gal->SetGridOrigin( VECTOR2D( GetGridOrigin() ) );
    }
    else
    {
        // Switch to standard rendering
        if( IsGalCanvasActive() )
        {
            // Change view settings only if GAL was active previously
            double zoom = 1.0 / ( zoomFactor * view->GetScale() );
            m_canvas->SetZoom( zoom );

            VECTOR2D center = view->GetCenter();
            RedrawScreen( wxPoint( center.x, center.y ), false );
        }
    }

    m_canvas->SetEvtHandlerEnabled( !aEnable );
    GetGalCanvas()->SetEvtHandlerEnabled( aEnable );

    // Switch panes
    m_auimgr.GetPane( wxT( "DrawFrame" ) ).Show( !aEnable );
    m_auimgr.GetPane( wxT( "DrawFrameGal" ) ).Show( aEnable );
    m_auimgr.Update();

    // Reset current tool on switch();
    SetToolID( ID_NO_TOOL_SELECTED, wxCURSOR_DEFAULT, wxEmptyString );

    m_galCanvasActive = aEnable;
}
Exemple #3
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void EDA_DRAW_FRAME::UseGalCanvas( bool aEnable )
{
    KIGFX::VIEW* view = GetGalCanvas()->GetView();
    KIGFX::GAL* gal = GetGalCanvas()->GetGAL();

    // Display the same view after canvas switching
    if( aEnable )
    {
        // Switch to GAL renderer from legacy
        if( !m_galCanvasActive )
        {
            // Set up viewport
            double zoomFactor = gal->GetWorldScale() / gal->GetZoomFactor();
            double zoom = 1.0 / ( zoomFactor * m_canvas->GetZoom() );
            view->SetScale( zoom );
            view->SetCenter( VECTOR2D( m_canvas->GetScreenCenterLogicalPosition() ) );
        }

        // Set up grid settings
        gal->SetGridVisibility( IsGridVisible() );
        gal->SetGridSize( VECTOR2D( GetScreen()->GetGridSize() ) );
        gal->SetGridOrigin( VECTOR2D( GetGridOrigin() ) );

        // Transfer EDA_DRAW_PANEL settings
        GetGalCanvas()->GetViewControls()->EnableCursorWarping( !m_canvas->GetEnableZoomNoCenter() );
        GetGalCanvas()->GetViewControls()->EnableMousewheelPan( m_canvas->GetEnableMousewheelPan() );
        GetGalCanvas()->GetViewControls()->EnableAutoPan( m_canvas->GetEnableAutoPan() );
    }
    else if( m_galCanvasActive )
    {
        // Switch to legacy renderer from GAL
        double zoomFactor = gal->GetWorldScale() / gal->GetZoomFactor();
        // TODO replace it with EDA_DRAW_PANEL_GAL::GetLegacyZoom
        m_canvas->SetZoom( 1.0 / ( zoomFactor * view->GetScale() ) );
        VECTOR2D center = view->GetCenter();
        AdjustScrollBars( wxPoint( center.x, center.y ) );
    }

    m_canvas->SetEvtHandlerEnabled( !aEnable );
    GetGalCanvas()->SetEvtHandlerEnabled( aEnable );

    // Switch panes
    m_auimgr.GetPane( wxT( "DrawFrame" ) ).Show( !aEnable );
    m_auimgr.GetPane( wxT( "DrawFrameGal" ) ).Show( aEnable );
    m_auimgr.Update();

    // Reset current tool on switch();
    SetNoToolSelected();

    m_galCanvasActive = aEnable;
}
int PCBNEW_CONTROL::ZoomInOutCenter( const TOOL_EVENT& aEvent )
{
    KIGFX::VIEW* view = getView();
    double zoomScale = 1.0;

    if( aEvent.IsAction( &COMMON_ACTIONS::zoomInCenter ) )
        zoomScale = 1.3;
    else if( aEvent.IsAction( &COMMON_ACTIONS::zoomOutCenter ) )
        zoomScale = 0.7;

    view->SetScale( view->GetScale() * zoomScale );

    return 0;
}
int PCBNEW_CONTROL::ZoomInOut( const TOOL_EVENT& aEvent )
{
    KIGFX::VIEW* view = m_frame->GetGalCanvas()->GetView();
    double zoomScale = 1.0;

    if( aEvent.IsAction( &COMMON_ACTIONS::zoomIn ) )
        zoomScale = 1.3;
    else if( aEvent.IsAction( &COMMON_ACTIONS::zoomOut ) )
        zoomScale = 0.7;

    view->SetScale( view->GetScale() * zoomScale, getViewControls()->GetCursorPosition() );

    return 0;
}
Exemple #6
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const wxString EDA_DRAW_FRAME::GetZoomLevelIndicator() const
{
    wxString Line;
    double level = 0.0;

    if( IsGalCanvasActive() )
    {
        KIGFX::GAL* gal = m_galCanvas->GetGAL();
        KIGFX::VIEW* view = m_galCanvas->GetView();
        double zoomFactor = gal->GetWorldScale() / gal->GetZoomFactor();
        level = m_zoomLevelCoeff * zoomFactor * view->GetScale();
    }
    else if( BASE_SCREEN* screen = GetScreen() )
    {
        level = m_zoomLevelCoeff / (double) screen->GetZoom();
    }

    // returns a human readable value which can be displayed as zoom
    // level indicator in dialogs.
    Line.Printf( wxT( "Z %.2f" ), level );

    return Line;
}