问在处理语言时制作透明的背景(应用程序)

EN

import processing.awt.PSurfaceAWT;
import processing.awt.PSurfaceAWT.SmoothCanvas;
import javax.swing.JFrame;

void setup() {
  size(200, 200);
  PSurfaceAWT awtSurface = (PSurfaceAWT) surface;
  SmoothCanvas smoothCanvas = (SmoothCanvas) awtSurface.getNative();
  JFrame jframe = (JFrame)smoothCanvas.getFrame();
  jframe.dispose();
  jframe.setUndecorated(true);
  jframe.setOpacity(.5f);
  jframe.setVisible(true);
}

void draw() {
  background(0, 128);
}

import static java.awt.GraphicsDevice.WindowTranslucency.PERPIXEL_TRANSPARENT;
import static java.awt.GraphicsDevice.WindowTranslucency.TRANSLUCENT;

import java.awt.Color;
import java.awt.Font;
import java.awt.GraphicsDevice;
import java.awt.GraphicsEnvironment;
import java.awt.GridBagLayout;
import java.awt.event.ComponentAdapter;
import java.awt.event.ComponentEvent;
import java.awt.geom.RoundRectangle2D;

import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.SwingUtilities;

/**
 *
 * @author Coder ACJHP
 */
public class NotifyMe extends JFrame {

    /**
     * 
     */
    private static final long serialVersionUID = 1L;

    private JLabel label;
    public NotifyMe() {
        super("NotifyMe");
        setLayout(new GridBagLayout());
        addComponentListener(new ComponentAdapter() {
            @Override
            public void componentResized(ComponentEvent e) {
                setShape(new RoundRectangle2D.Double(0, 0, getWidth(), getHeight(),15,15));
            }
        });

        setUndecorated(true);
        setSize(250, 80);
        setAlwaysOnTop(true);
        setLocationRelativeTo(null);
        setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);
        label = new JLabel();
        label.setFont(new Font("Adobe Arabic", Font.BOLD, 14));
        label.setBounds(0, 0, getWidth(), getHeight());

        label.setForeground(Color.RED);
        add(label);
    }

    public void setNotifiyNote(String note) {
        this.label.setText(note);
    }

    public static void main(String[] args) {

        GraphicsEnvironment ge = GraphicsEnvironment.getLocalGraphicsEnvironment();
        GraphicsDevice gd = ge.getDefaultScreenDevice();
        final boolean isTranslucencySupported = gd.isWindowTranslucencySupported(TRANSLUCENT);

        if (!gd.isWindowTranslucencySupported(PERPIXEL_TRANSPARENT)) {
            System.err.println("Shaped windows are not supported");
            System.exit(0);
        }

        if (!isTranslucencySupported) {
            System.out.println("Translucency is not supported, creating an opaque window");
        }

        SwingUtilities.invokeLater(() -> {
            NotifyMe sw = new NotifyMe();

            if (isTranslucencySupported) {
                sw.setOpacity(0.7f);
            }
        });
    }
}