C++ EDA_RECT类代码示例

bool LIB_CIRCLE::Inside( EDA_RECT& aRect ) const
{
    /*
     * FIXME: This fails to take into account the radius around the center
     *        point.
     */
    return aRect.Contains( m_Pos.x, -m_Pos.y );
}

bool LIB_TEXT::Inside( EDA_RECT& rect ) const
{
    /*
     * FIXME: This should calculate the text size and justification and
     *        use rectangle intersect.
     */
    return rect.Contains( m_Pos.x, -m_Pos.y );
}

bool LIB_FIELD::Inside( EDA_RECT& rect ) const
{
    /*
     * FIXME: This fails to take into account the size and/or orientation of
     *        the text.
     */
    return rect.Contains( m_Pos.x, -m_Pos.y );
}

bool TEXTE_MODULE::HitTest( const wxPoint& aPosition )
{
    wxPoint  rel_pos;
    EDA_RECT area = GetTextBox( -1, -1 );

    /* Rotate refPos to - angle
     * to test if refPos is within area (which is relative to an horizontal
     * text)
     */
    rel_pos = aPosition;
    RotatePoint( &rel_pos, m_Pos, -GetDrawRotation() );

    if( area.Contains( rel_pos ) )
        return true;

    return false;
}

void EDA_DRAW_PANEL::EraseScreen( wxDC* DC )
{
    GRSetDrawMode( DC, GR_COPY );

    EDA_COLOR_T bgColor = GetParent()->GetDrawBgColor();

    GRSFilledRect( NULL, DC, m_ClipBox.GetX(), m_ClipBox.GetY(),
                   m_ClipBox.GetRight(), m_ClipBox.GetBottom(),
                   0, bgColor, bgColor );

    // Set to one (1) to draw bounding box validate bounding box calculation.
#if DEBUG_SHOW_CLIP_RECT
    EDA_RECT bBox = m_ClipBox;
    GRRect( NULL, DC, bBox.GetOrigin().x, bBox.GetOrigin().y,
            bBox.GetEnd().x, bBox.GetEnd().y, 0, LIGHTMAGENTA );
#endif
}

double LIB_EDIT_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;
     */
    int      dx, dy;

    LIB_PART*      part = GetCurPart();

    if( part )
    {
        EDA_RECT boundingBox = part->GetBoundingBox( m_unit, m_convert );

        dx = boundingBox.GetWidth();
        dy = boundingBox.GetHeight();
        SetScrollCenterPosition( wxPoint( 0, 0 ) );
    }
    else
    {
        const PAGE_INFO& pageInfo = GetScreen()->GetPageSettings();

        dx = pageInfo.GetSizeIU().x;
        dy = pageInfo.GetSizeIU().y;

        SetScrollCenterPosition( wxPoint( 0, 0 ) );
    }

    wxSize size = m_canvas->GetClientSize();

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

    double bestzoom = std::max( zx, zy );

    // keep it >= minimal existing zoom (can happen for very small components
    // for instance when starting a new component
    if( bestzoom  < GetScreen()->m_ZoomList[0] )
        bestzoom  = GetScreen()->m_ZoomList[0];

    return bestzoom;
}

void LIB_CIRCLE::drawGraphic( EDA_DRAW_PANEL* aPanel, wxDC* aDC, const wxPoint& aOffset,
                              COLOR4D aColor, GR_DRAWMODE aDrawMode, void* aData,
                              const TRANSFORM& aTransform )
{
    wxPoint pos1;

    COLOR4D color = GetLayerColor( LAYER_DEVICE );

    if( aColor == COLOR4D::UNSPECIFIED )       // Used normal color or selected color
    {
        if( IsSelected() )
            color = GetItemSelectedColor();
    }
    else
    {
        color = aColor;
    }

    pos1 = aTransform.TransformCoordinate( m_Pos ) + aOffset;
    GRSetDrawMode( aDC, aDrawMode );

    FILL_T fill = aData ? NO_FILL : m_Fill;
    if( aColor != COLOR4D::UNSPECIFIED )
        fill = NO_FILL;

    EDA_RECT* const clipbox  = aPanel? aPanel->GetClipBox() : NULL;
    if( fill == FILLED_WITH_BG_BODYCOLOR )
        GRFilledCircle( clipbox, aDC, pos1.x, pos1.y, m_Radius, GetPenSize(),
                        (m_Flags & IS_MOVED) ? color : GetLayerColor( LAYER_DEVICE_BACKGROUND ),
                        GetLayerColor( LAYER_DEVICE_BACKGROUND ) );
    else if( fill == FILLED_SHAPE )
        GRFilledCircle( clipbox, aDC, pos1.x, pos1.y, m_Radius, 0, color, color );
    else
        GRCircle( clipbox, aDC, pos1.x, pos1.y, m_Radius, GetPenSize(), color );

    /* Set to one (1) to draw bounding box around circle to validate bounding
     * box calculation. */
#if 0
    EDA_RECT bBox = GetBoundingBox();
    bBox.RevertYAxis();
    bBox = aTransform.TransformCoordinate( bBox );
    bBox.Move( aOffset );
    GRRect( clipbox, aDC, bBox, 0, LIGHTMAGENTA );
#endif
}

EDA_RECT SCH_FIELD::GetBoundingBox() const
{
    SCH_COMPONENT* parentComponent = (SCH_COMPONENT*) m_Parent;
    int linewidth = ( m_Thickness == 0 ) ? GetDefaultLineThickness() : m_Thickness;

    // We must pass the effective text thickness to GetTextBox
    // when calculating the bounding box
    linewidth = Clamp_Text_PenSize( linewidth, m_Size, m_Bold );

    // Calculate the text bounding box:
    EDA_RECT rect;

    // set USE_TEXT_JUSTIFY_INITIAL_BEHAVIOR to 0 to use
    // a justification relative to the text itself
    // i.e. justification relative to an horizontal text
    // or to 1 to keep the initial behavior
#if (USE_TEXT_JUSTIFY_INITIAL_BEHAVIOR == 1 )
    if( m_Orient == TEXT_ORIENT_VERT )
    {
        // For vertical texts, exchange the horizontal and the vertical justification
        // The idea is to keep the justification always left or top for instance,
        // no matter the text orientation
        SCH_FIELD text( *this );    // Make a local copy to swap justifications
                                    // because GetBoundingBox() is const
        int tmp = (int)text.m_VJustify;
        NEGATE( tmp );
        text.m_VJustify  = (EDA_TEXT_VJUSTIFY_T)text.m_HJustify;
        text.m_HJustify = (EDA_TEXT_HJUSTIFY_T)tmp;
        rect = text.GetTextBox( -1, linewidth );
    }
    else
#endif
        rect = GetTextBox( -1, linewidth );

    // Calculate the bounding box position relative to the component:
    wxPoint origin = parentComponent->GetPosition();
    wxPoint pos = m_Pos - origin;
    wxPoint begin = rect.GetOrigin() - origin;
    wxPoint end = rect.GetEnd() - origin;
    RotatePoint( &begin, pos, m_Orient );
    RotatePoint( &end, pos, m_Orient );

    // Due to the Y axis direction, we must mirror the bounding box,
    // relative to the text position:
    begin.y -= pos.y;
    end.y -= pos.y;
    NEGATE( begin.y );
    NEGATE( end.y );
    begin.y += pos.y;
    end.y += pos.y;

    // Now, apply the component transform (mirror/rot)
    begin = parentComponent->GetTransform().TransformCoordinate( begin );
    end = parentComponent->GetTransform().TransformCoordinate( end );
    rect.SetOrigin( begin);
    rect.SetEnd( end);
    rect.Move( origin );
    rect.Normalize();
    return rect;
}

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;
}

void EDA_DRAW_PANEL::RefreshDrawingRect( const EDA_RECT& aRect, bool aEraseBackground )
{
    INSTALL_UNBUFFERED_DC( dc, this );

    wxRect rect = aRect;

    rect.x = dc.LogicalToDeviceX( rect.x );
    rect.y = dc.LogicalToDeviceY( rect.y );
    rect.width = dc.LogicalToDeviceXRel( rect.width );
    rect.height = dc.LogicalToDeviceYRel( rect.height );

    wxLogTrace( kicadTraceCoords,
                wxT( "Refresh area: drawing (%d, %d, %d, %d), device (%d, %d, %d, %d)" ),
                aRect.GetX(), aRect.GetY(), aRect.GetWidth(), aRect.GetHeight(),
                rect.x, rect.y, rect.width, rect.height );

    RefreshRect( rect, aEraseBackground );
}

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;
}

void LIB_CIRCLE::GetMsgPanelInfo( EDA_UNITS_T aUnits, MSG_PANEL_ITEMS& aList )
{
    wxString msg;
    EDA_RECT bBox = GetBoundingBox();

    LIB_ITEM::GetMsgPanelInfo( aUnits, aList );

    msg = MessageTextFromValue( aUnits, m_Width, true );

    aList.push_back( MSG_PANEL_ITEM(  _( "Line Width" ), msg, BLUE ) );

    msg = MessageTextFromValue( aUnits, m_Radius, true );
    aList.push_back( MSG_PANEL_ITEM( _( "Radius" ), msg, RED ) );

    msg.Printf( wxT( "(%d, %d, %d, %d)" ), bBox.GetOrigin().x,
                bBox.GetOrigin().y, bBox.GetEnd().x, bBox.GetEnd().y );

    aList.push_back( MSG_PANEL_ITEM( _( "Bounding Box" ), msg, BROWN ) );
}

bool LIB_POLYLINE::Inside( EDA_RECT& aRect ) const
{
    for( size_t i = 0; i < m_PolyPoints.size(); i++ )
    {
        if( aRect.Contains( m_PolyPoints[i].x, -m_PolyPoints[i].y ) )
            return true;
    }

    return false;
}

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;
}

const EDA_RECT MODULE::GetBoundingBox() const
{
    EDA_RECT area = GetFootprintRect();

    // Calculate extended area including text fields
    area.Merge( m_Reference->GetBoundingBox() );
    area.Merge( m_Value->GetBoundingBox() );

    // Add the Clearance shape size: (shape around the pads when the
    // clearance is shown.  Not optimized, but the draw cost is small
    // (perhaps smaller than optimization).
    BOARD* board = GetBoard();
    if( board )
    {
        int biggest_clearance = board->GetDesignSettings().GetBiggestClearanceValue();
        area.Inflate( biggest_clearance );
    }

    return area;
}