Method getLayerPane

src/test/Test_Video.java:439–486

(Dimension dim)

	//private StateHelper helper;

	private JPanel getLayerPane(Dimension dim) {
		lockDim(label, dim);
		label.setBounds(0, 0, dim.width, dim.height);

		drawLayer = new JPanel() {
			@Override
			public void paintComponent(Graphics g) {
				super.paintComponent(g); // takes care of the background clearing
				g.setColor(Color.red);
				for (int i = 0, n = points.size(); i < n; i++) {
					Point p = points.get(i);
					g.drawLine(p.x - 5, p.y, p.x + 5, p.y);
					g.drawLine(p.x, p.y - 5, p.x, p.y + 5);
				}
			}
		};
		drawLayer.setBounds(0, 0, dim.width, dim.height);
		drawLayer.setOpaque(false);
		// drawLayer.setBackground(new Color(255,255,255,0));
		// note -- setting this to opaque/{255 255 255 0} does not quite work as
		// expected.
		// rather than paint a white background over the image in Java, Java paints
		// the default background color. This of course makes no sense; I consider it a
		// Java bug.
		//
		drawLayer.putClientProperty("jscanvas", "true");

		drawLayer.addMouseListener(new MouseAdapter() {

			@Override
			public void mouseClicked(MouseEvent e) {
				System.out.println("Draw layer mouse click " + e.getX() + " " + e.getY());
				points.add(new Point(e.getX(), e.getY()));
				drawLayer.repaint();
			}
		});

		layerPane = new JLayeredPane();
		lockDim(layerPane, dim);
		layerPane.add(drawLayer, JLayeredPane.PALETTE_LAYER);
		layerPane.add(label, JLayeredPane.DEFAULT_LAYER);

		JPanel p = new JPanel();
		p.add(layerPane, BorderLayout.CENTER);
		lockDim(p, dim);

		return p;
	}

	private void lockDim(JComponent c, Dimension dim) {
		c.setPreferredSize(dim);