g.setLineWidth(getLineWidth());
Rectangle r = new Rectangle(getBounds());
int zoom = this.configManager.getDiagramEditor().getPart().getZoomLevel();
int scaledInset = -getLineOffset() * zoom / 100;
r.shrink(scaledInset, scaledInset);
r = FigureUtil.getAdjustedRectangle(r, 1.0, getLineWidth());
prepareForDrawing(g, PositionConstants.NORTH);
g.drawLine(r.getTopLeft(), r.getTopRight());
prepareForDrawing(g, PositionConstants.SOUTH);