ImageAnnotationFrame.java 文件源码

public JLabel getPixelLabel() {
    if (pixelLabel == null) {
        pixelLabel = new JLabel("    ,     ");
        pixelLabel.setPreferredSize(new Dimension(200, 35));
        final JImageCanvas ic = getImageCanvas();
        ic.addMouseMotionListener(new MouseMotionAdapter() {
            @Override
            public void mouseMoved(MouseEvent e) {
                Point cp = e.getPoint();
                Point2D ip = ic.convertToImage(cp);
                String text = String.format("%4d, %4d", Math.round(ip.getX()), Math.round(ip.getY()));
                pixelLabel.setText("Current X, Y: " + text);
            }
        });
    }
    return pixelLabel;
}