eclipse下面实现的java扫雷游戏

				/*
				 * Created on 2005-5-10
				 *
				 * TODO To change the template for this generated file go to
				 * Window - Preferences - Java - Code Style - Code Templates
				 */
				package view;
				
				import java.awt.AlphaComposite;
				import java.awt.Composite;
				import java.awt.Graphics;
				import java.awt.Graphics2D;
				import java.awt.Image;
				import java.awt.event.ActionEvent;
				import java.awt.event.ActionListener;
				import java.util.ArrayList;
				import javax.swing.Timer;
				import javax.swing.JPanel;
				
				/**
				 * @author mqqqvpppm
				 * 
				 * TODO To change the template for this generated type comment go to Window -
				 * Preferences - Java - Code Style - Code Templates
				 */
				public class ImagePanel extends JPanel implements ActionListener {
				
					/**
					 *  
					 */
					public ImagePanel(Image image) {
						super();
						imageArray = new ArrayList();
						imageArray.add(image);
						this.image = image;
						width = image.getWidth(null);
						height = image.getHeight(null);
						setSize(width, height);
						sign = 1;
						amount = 1;
						waitTime = 100;
						waitTime2 = 5;
						i = 0;
						alpha = 100;
						timer = new Timer(50, this);
				
						// TODO Auto-generated constructor stub
					}
				
					public void setInterval(int interval) {
						timer.setDelay(interval);
					}
				
					public void start() {
						timer.start();
				
					}
				
					public void stop() {
						try {
							timer.wait();
						} catch (Exception e) {
				
						}
					}
				
					public void add(Image image) {
						imageArray.add(image);
						amount++;
					}
				
					public void setBounds(int x, int y, int width, int height) {
						this.width = width;
						this.height = height;
						super.setBounds(x, y, width, height);
					}
				
					public void setSize(int width, int height) {
						this.width = width;
						this.height = height;
						super.setSize(width, height);
					}
				
					public void paintComponent(Graphics g) {
						super.paintComponent(g);
						Graphics2D g2 = (Graphics2D) g;
						if (image == null)
							return;
						//draw image with alpha
						Composite comp = AlphaComposite.getInstance(AlphaComposite.SRC_OVER,
								(float) alpha / 100f);
						Composite c = g2.getComposite();
						g2.setComposite(comp);
						g2.drawImage(image, 0, 0, width, height, null);
						g2.setComposite(c);
					}
				
					/*
					 * (non-Javadoc)
					 * 
					 * @see java.awt.event.ActionListener#actionPerformed(java.awt.event.ActionEvent)
					 */
					public void actionPerformed(ActionEvent e) {
						if (alpha == 100) {//alpha of image will be decreased
							sign = -1;
				
							//the delay before the alpha of image will be decreased
							--waitTime;
							if (waitTime != 0)
								return;
							waitTime = 100;
						} else if (alpha == 0) {//image will change
				
							//the delay before the next image appear
							--waitTime2;
							if (waitTime2 != 0)
								return;
							waitTime2 = 5;
				
							//change the sign go add the alpha
							sign = 1;
				
							//calculate i to load the image circularly
							i++;
							if (i == amount)
								i = 0;
							image = (Image) imageArray.get(i);
						}
				
						alpha = alpha + 10 * sign;
						repaint();
					}
				
					private Timer timer;
				
					private Image image;
				
					private int alpha;
				
					private int width;
				
					private int height;
				
					private int amount;
				
					private int sign;
				
					private int i;
				
					private int interval;
				
					private int waitTime;
				
					private int waitTime2;
				
					private ArrayList imageArray;
				}