extend_by_stroke_width
extend_by_stroke_width(r, fPainter->PenSize());
extend_by_stroke_width(r, fPainter->PenSize());
extend_by_stroke_width(clipped, fPainter->PenSize());
extend_by_stroke_width(clipped, fPainter->PenSize());
extend_by_stroke_width(touched, fPainter->PenSize());
extend_by_stroke_width(touched, fPainter->PenSize());
extend_by_stroke_width(touched, fPainter->PenSize());
extend_by_stroke_width(clipped, fPainter->PenSize());
extend_by_stroke_width(clipped, fPainter->PenSize());
extend_by_stroke_width(clipped, fPainter->PenSize());
extend_by_stroke_width(bounds, fPainter->PenSize());
extend_by_stroke_width(bounds, fPainter->PenSize());
extend_by_stroke_width(clipped, fPainter->PenSize());
extend_by_stroke_width(clipped, fPainter->PenSize());