@Override
		public void paint(Graphics g) {
			Color oldColor = g.getColor();
			g.setColor(lensColor);
			((Graphics2D) g).draw(rect);
			g.setColor(oldColor);
		}
a Paintable to draw the rectangle used to pick multiple
Vertices
@author Tom Nelson
Ghidra/Framework/Graph/src/main/java/ghidra/graph/viewer/event/mouse/JungPickingGraphMousePlugin.java