welcomecanvas.java

用J2ME开发的卡片游戏

/**
 * 
 * 欢迎界面
 * 
 * 
 */

package card;

import javax.microedition.lcdui.*;
import javax.microedition.lcdui.Image;

import card.stringtable.ImageStringTable;

import java.io.IOException;

public class WelcomeCanvas extends Canvas implements Runnable{
	Image imgLogo, imgGroup = null;
	MainMenuCanvas cvsMainMenu = null;
	Thread thread = null;
	Display display = null;
	Alert alt;
	boolean bSuccess;
	int iPaint ;
	
	public WelcomeCanvas(Display display) {
		this.setFullScreenMode(true);
		this.display = display;

		cvsMainMenu = new MainMenuCanvas(display);	
		bSuccess = false;
		iPaint = 0;
	}
	
	public void init() {
		try {
			imgLogo = Image.createImage(ImageStringTable.getImgLogoString());
			imgGroup = Image.createImage(ImageStringTable.getImgGroupString());
			thread = new Thread(this);
			thread.start();	
		} catch (IOException e) { //图片载入错误处理
			ErrorHandling ehIOException = new ErrorHandling(display, ErrorHandling.IMGNOTFOUND);
		}
		bSuccess = true;
	}
	
	public void run() { //Logo和成员名单各显示等待2秒后进入主选择菜单
		repaint();
		try {
			Thread.sleep(2000);
		} catch (InterruptedException e) { //线程暂停错误处理
			ErrorHandling ehInterruptedException = new ErrorHandling(display, ErrorHandling.INTERRUPTEDERROR);
		}
		
		iPaint++;
		repaint();
		try {
			Thread.sleep(2000);
		} catch (InterruptedException e) { //线程暂停错误处理
			ErrorHandling ehInterruptedException = new ErrorHandling(display, ErrorHandling.INTERRUPTEDERROR);
		}
		
		display.setCurrent(cvsMainMenu);
		cvsMainMenu.init();
	}
	
	public void paint(Graphics g) {
		if (bSuccess) { //载入成功则绘制logo和成员
			if (iPaint == 0) { //绘制logo
				g.drawImage(imgLogo, 0, 0, Graphics.TOP | Graphics.LEFT);
			}else { //绘制成员
				g.drawImage(imgGroup, 0, 0, Graphics.TOP | Graphics.LEFT);
			}
		}
	}	
}