JSlider 个性化

[java]
package com.han;

import java.awt.BasicStroke;
import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.Container;
import java.awt.Graphics2D;
import java.awt.GridLayout;
import java.awt.Image;
import java.awt.RenderingHints;
import java.awt.Toolkit;

import javax.swing.BorderFactory;
import javax.swing.JComponent;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.JRootPane;
import javax.swing.JSlider;
import javax.swing.Painter;
import javax.swing.SwingUtilities;
import javax.swing.UIDefaults;
import javax.swing.UIManager;
import javax.swing.UnsupportedLookAndFeelException;
import javax.swing.UIManager.LookAndFeelInfo;

@SuppressWarnings("serial")
public class JSlider_customized extends JFrame {

    public JSlider_customized() {
        // TODO Auto-generated constructor stub
        for (LookAndFeelInfo laf : UIManager.getInstalledLookAndFeels()) {
            if (laf.getName().equals("Nimbus")) {
                try {
                    UIManager.setLookAndFeel(laf.getClassName());
                } catch (ClassNotFoundException | InstantiationException
                        | IllegalAccessException
                        | UnsupportedLookAndFeelException e) {
                    // TODO Auto-generated catch block
                    e.printStackTrace();
                }
            }
        }

        JPanel panel = new JPanel(new GridLayout(0, 1, 20, 20));
        JSlider slider = new JSlider(0, 100, 50);
        Container c = getContentPane();
        c.add(panel, BorderLayout.CENTER);
        panel.setBackground(Color.DARK_GRAY);
        panel.setBorder(BorderFactory.createEmptyBorder(20, 20, 20, 20));
        panel.add(slider);
        UIDefaults sliderDefaults = new UIDefaults();
        sliderDefaults.put("Slider.thumbWidth", 20);
        sliderDefaults.put("Slider.thumbHeight", 20);
        sliderDefaults.put("Slider:SliderThumb.backgroundPainter",
                new Painter<JComponent>() {
                    public void paint(Graphics2D g, JComponent c, int w, int h) {
                        g.setRenderingHint(RenderingHints.KEY_ANTIALIASING,
                                RenderingHints.VALUE_ANTIALIAS_ON);
                        g.setStroke(new BasicStroke(2f));

                        g.setColor(Color.RED);
                        g.fillOval(1, 1, w - 3, h - 3);
                        g.setColor(Color.WHITE);
                        g.drawOval(1, 1, w - 3, h - 3);
                         Image img = Toolkit.getDefaultToolkit().getImage(
                         JSlider_customized.class
                         .getResource("/images/Luxun.jpg"));

                         g.drawImage(img, 0, 0, w, h, null);
                    }
                });
        sliderDefaults.put("Slider:SliderTrack.backgroundPainter",
                new Painter<JComponent>() {
                    public void paint(Graphics2D g, JComponent c, int w, int h) {
                        g.setRenderingHint(RenderingHints.KEY_ANTIALIASING,
                                RenderingHints.VALUE_ANTIALIAS_ON);
                        g.setStroke(new BasicStroke(2f));

补充：软件开发 , Java ,