C++ BOX2I::Inflate方法代码示例

bool SHAPE_LINE_CHAIN::PointInside( const VECTOR2I& aPt, int aAccuracy ) const
{
    BOX2I bbox = BBox();
    bbox.Inflate( aAccuracy );

    if( !m_closed || PointCount() < 3 || !BBox().Contains( aPt ) )
        return false;

    bool inside = false;

    /**
     * To check for interior points, we draw a line in the positive x direction from
     * the point.  If it intersects an even number of segments, the point is outside the
     * line chain (it had to first enter and then exit).  Otherwise, it is inside the chain.
     *
     * Note: slope might be denormal here in the case of a horizontal line but we require our
     * y to move from above to below the point (or vice versa)
     */
    for( int i = 0; i < PointCount(); i++ )
    {
        const auto p1 = CPoint( i );
        const auto p2 = CPoint( i + 1 ); // CPoint wraps, so ignore counts
        const auto diff = p2 - p1;

        if( diff.y != 0 )
        {
            const int d = rescale( diff.x, ( aPt.y - p1.y ), diff.y );

            if( ( ( p1.y > aPt.y ) != ( p2.y > aPt.y ) ) && ( aPt.x - p1.x < d ) )
                inside = !inside;
        }
    }
    return inside && !PointOnEdge( aPt, aAccuracy );
}

void DIALOG_PAD_PROPERTIES::redraw()
{
    if( m_parent->IsGalCanvasActive() )
    {
        m_dummyPad->ViewUpdate();

        BOX2I bbox = m_dummyPad->ViewBBox();

        if( bbox.GetSize().x > 0 && bbox.GetSize().y > 0 )
        {
            // gives a size to the full drawable area
            BOX2I drawbox;
            drawbox.Move( m_dummyPad->GetPosition() );
            drawbox.Inflate( bbox.GetSize().x*2, bbox.GetSize().y*2 );
            m_panelShowPadGal->GetView()->SetBoundary( drawbox );

            // Autozoom
            m_panelShowPadGal->GetView()->SetViewport( BOX2D( bbox.GetOrigin(), bbox.GetSize() ) );

            // Add a margin
            m_panelShowPadGal->GetView()->SetScale( m_panelShowPadGal->GetView()->GetScale() * 0.7 );

            m_panelShowPadGal->Refresh();
        }
    }
    else
    {
        m_panelShowPad->Refresh();
    }
}

const BOX2I SHAPE_ARC::BBox( int aClearance ) const
{
    BOX2I bbox;
    std::vector<VECTOR2I> points;
    points.push_back( m_pc );
    points.push_back( m_p0 );
    points.push_back( GetP1() );

    bbox.Compute( points );

    if( aClearance != 0 )
        bbox.Inflate( aClearance );

    return bbox;
}

const BOX2I SHAPE_POLY_SET::BBox( int aClearance ) const
{
    BOX2I bb;

    for( unsigned i = 0; i < m_polys.size(); i++ )
    {
        if( i == 0 )
            bb = m_polys[i][0].BBox();
        else
            bb.Merge( m_polys[i][0].BBox() );
    }

    bb.Inflate( aClearance );
    return bb;
}

bool GERBVIEW_SELECTION_TOOL::selectionContains( const VECTOR2I& aPoint ) const
{
    const unsigned GRIP_MARGIN = 20;
    VECTOR2D margin = getView()->ToWorld( VECTOR2D( GRIP_MARGIN, GRIP_MARGIN ), false );

    // Check if the point is located within any of the currently selected items bounding boxes
    for( auto item : m_selection )
    {
        BOX2I itemBox = item->ViewBBox();
        itemBox.Inflate( margin.x, margin.y );    // Give some margin for gripping an item

        if( itemBox.Contains( aPoint ) )
            return true;
    }

    return false;
}

bool SELECTION_TOOL::selectionContains( const VECTOR2I& aPoint ) const
{
    const unsigned GRIP_MARGIN = 20;
    VECTOR2D margin = getView()->ToWorld( VECTOR2D( GRIP_MARGIN, GRIP_MARGIN ), false );

    // Check if the point is located within any of the currently selected items bounding boxes
    for( unsigned int i = 0; i < m_selection.items.GetCount(); ++i )
    {
        BOARD_ITEM* item = m_selection.Item<BOARD_ITEM>( i );
        BOX2I itemBox = item->ViewBBox();
        itemBox.Inflate( margin.x, margin.y );    // Give some margin for gripping an item

        if( itemBox.Contains( aPoint ) )
            return true;
    }

    return false;
}

const BOX2I ROUTER_PREVIEW_ITEM::ViewBBox() const
{
    BOX2I bbox;

    switch( m_type )
    {
    case PR_SHAPE:
        bbox = m_shape->BBox();
        bbox.Inflate( m_width / 2 );
        return bbox;

    case PR_POINT:
        bbox = BOX2I ( m_pos - VECTOR2I( 100000, 100000 ), VECTOR2I( 200000, 200000 ) );
        return bbox;

    default:
        break;
    }

    return bbox;
}

void ZONE_FILLER::buildUnconnectedThermalStubsPolygonList( SHAPE_POLY_SET& aCornerBuffer,
                                              const ZONE_CONTAINER*       aZone,
                                              const SHAPE_POLY_SET&       aRawFilledArea,
                                              double                aArcCorrection,
                                              double                aRoundPadThermalRotation ) const
{
    SHAPE_LINE_CHAIN spokes;
    BOX2I itemBB;
    VECTOR2I ptTest[4];
    auto zoneBB = aRawFilledArea.BBox();


    int      zone_clearance = aZone->GetZoneClearance();

    int      biggest_clearance = m_board->GetDesignSettings().GetBiggestClearanceValue();
    biggest_clearance = std::max( biggest_clearance, zone_clearance );
    zoneBB.Inflate( biggest_clearance );

    // half size of the pen used to draw/plot zones outlines
    int pen_radius = aZone->GetMinThickness() / 2;

    for( auto module : m_board->Modules() )
    {
        for( auto pad : module->Pads() )
        {
            // Rejects non-standard pads with tht-only thermal reliefs
            if( aZone->GetPadConnection( pad ) == PAD_ZONE_CONN_THT_THERMAL
             && pad->GetAttribute() != PAD_ATTRIB_STANDARD )
                continue;

            if( aZone->GetPadConnection( pad ) != PAD_ZONE_CONN_THERMAL
             && aZone->GetPadConnection( pad ) != PAD_ZONE_CONN_THT_THERMAL )
                continue;

            if( !pad->IsOnLayer( aZone->GetLayer() ) )
                continue;

            if( pad->GetNetCode() != aZone->GetNetCode() )
                continue;

            // Calculate thermal bridge half width
            int thermalBridgeWidth = aZone->GetThermalReliefCopperBridge( pad )
                                     - aZone->GetMinThickness();
            if( thermalBridgeWidth <= 0 )
                continue;

            // we need the thermal bridge half width
            // with a small extra size to be sure we create a stub
            // slightly larger than the actual stub
            thermalBridgeWidth = ( thermalBridgeWidth + 4 ) / 2;

            int thermalReliefGap = aZone->GetThermalReliefGap( pad );

            itemBB = pad->GetBoundingBox();
            itemBB.Inflate( thermalReliefGap );
            if( !( itemBB.Intersects( zoneBB ) ) )
                continue;

            // Thermal bridges are like a segment from a starting point inside the pad
            // to an ending point outside the pad

            // calculate the ending point of the thermal pad, outside the pad
            VECTOR2I endpoint;
            endpoint.x = ( pad->GetSize().x / 2 ) + thermalReliefGap;
            endpoint.y = ( pad->GetSize().y / 2 ) + thermalReliefGap;

            // Calculate the starting point of the thermal stub
            // inside the pad
            VECTOR2I startpoint;
            int copperThickness = aZone->GetThermalReliefCopperBridge( pad )
                                  - aZone->GetMinThickness();

            if( copperThickness < 0 )
                copperThickness = 0;

            // Leave a small extra size to the copper area inside to pad
            copperThickness += KiROUND( IU_PER_MM * 0.04 );

            startpoint.x = std::min( pad->GetSize().x, copperThickness );
            startpoint.y = std::min( pad->GetSize().y, copperThickness );

            startpoint.x /= 2;
            startpoint.y /= 2;

            // This is a CIRCLE pad tweak
            // for circle pads, the thermal stubs orientation is 45 deg
            double fAngle = pad->GetOrientation();
            if( pad->GetShape() == PAD_SHAPE_CIRCLE )
            {
                endpoint.x     = KiROUND( endpoint.x * aArcCorrection );
                endpoint.y     = endpoint.x;
                fAngle = aRoundPadThermalRotation;
            }

            // contour line width has to be taken into calculation to avoid "thermal stub bleed"
            endpoint.x += pen_radius;
            endpoint.y += pen_radius;
            // compute north, south, west and east points for zone connection.
            ptTest[0] = VECTOR2I( 0, endpoint.y );       // lower point
            ptTest[1] = VECTOR2I( 0, -endpoint.y );      // upper point
//.........这里部分代码省略.........

OPT_BOX2I PNS_LINE::ChangedArea( const PNS_LINE* aOther ) const
{
    BOX2I area;
    bool areaDefined = false;

    int i_start = -1;
    int i_end_self = -1, i_end_other = -1;

    SHAPE_LINE_CHAIN self( m_line );
    self.Simplify();
    SHAPE_LINE_CHAIN other( aOther->m_line );
    other.Simplify();

    int np_self = self.PointCount();
    int np_other = other.PointCount();

    int n = std::min( np_self, np_other );

    for( int i = 0; i < n; i++ )
    {
        const VECTOR2I p1 = self.CPoint( i );
        const VECTOR2I p2 = other.CPoint( i );

        if( p1 != p2 )
        {
            if( i != n - 1 )
            {
                SEG s = self.CSegment( i );

                if( !s.Contains( p2 ) )
                {
                    i_start = i;
                    break;
                }
            } else {
                i_start = i;
                break;
            }
        }
    }

    for( int i = 0; i < n; i++ )
    {
        const VECTOR2I p1 = self.CPoint( np_self - 1 - i );
        const VECTOR2I p2 = other.CPoint( np_other - 1 - i );

        if( p1 != p2 )
        {
            i_end_self = np_self - 1 - i;
            i_end_other = np_other - 1 - i;
            break;
        }
    }

    if( i_start < 0 )
        i_start = n;

    if( i_end_self < 0 )
        i_end_self = np_self - 1;

    if( i_end_other < 0 )
        i_end_other = np_other - 1;

    for( int i = i_start; i <= i_end_self; i++ )
        extendBox( area, areaDefined, self.CPoint( i ) );

    for( int i = i_start; i <= i_end_other; i++ )
        extendBox( area, areaDefined, other.CPoint( i ) );

    if( areaDefined )
    {
        area.Inflate( std::max( Width(), aOther->Width() ) );
        return area;
    }

    return OPT_BOX2I();
}