vendarsplash.java

一款新手改造的J2me手机游戏项目

package com.ejoy;

import java.io.IOException;
import java.util.Timer;
import java.util.TimerTask;
import javax.microedition.lcdui.*;

public class VendarSplash extends Canvas{
	//Download by http://www.codefans.net
	
	 GameMIDlet m_gmid;
	 Image vimg;  //原图片
	 Image tempimg; //处理过的图片
	 Timer timer;
	 int[] pixelone;
	 int imglength;
	
	public VendarSplash(GameMIDlet gmid)
	{
		
		m_gmid=gmid;
		timer=new Timer();
		timer.schedule(new myTimerTask(this), 100, 200);
		try
		{
			vimg=Image.createImage("/res/igs_rotate.png");
			imglength=vimg.getHeight()*vimg.getWidth();
			pixelone=new int[imglength];
			
			vimg.getRGB(pixelone, 0, vimg.getWidth(), 0, 0, vimg.getWidth(), vimg.getHeight());
			for(int i=0;i<imglength;i++)
			{
				pixelone[i]=pixelone[i]&0x00ffffff;
			}
			tempimg=Image.createRGBImage(pixelone, vimg.getWidth(), vimg.getHeight(), true);
		}
		catch(IOException e)
		{
			e.printStackTrace();
		}
	}

	
	public void paint(Graphics g)
	{
		setFullScreenMode(true);
		clearScreen(g);
		g.drawImage(tempimg, (getWidth()-tempimg.getWidth())/2, (GameMIDlet.SCREEN_HEIGHT-tempimg.getHeight())/2, Graphics.TOP|Graphics.LEFT);
	}
	
	/**
	 * 清屏函数
	 * @param g
	 */
	public void clearScreen(Graphics g)
	{
		g.setColor(0x000000);
		g.fillRect(0, 0, getWidth(), GameMIDlet.SCREEN_HEIGHT);
	}
	
}

/**
 * 计时器类，实现渐变效果
 * @author net.app
 *
 */
class myTimerTask extends TimerTask
{
//	private long currentTime,lastTime;
	private VendarSplash m_vs;
	private int step=0;
	
	public myTimerTask(VendarSplash vs)
	{
		m_vs=vs;
	}
	
	
	public void run()
	{
//		lastTime=System.currentTimeMillis();
		for(int i=0;i<m_vs.imglength;i++)
		{
			/*if((m_vs.pixelone[i]>>16&0x0000ff)==0&&(m_vs.pixelone[i]>>8&0x0000ff)==0&&(m_vs.pixelone[i]&0x0000ff)==0)
				continue;*/
			m_vs.pixelone[i]+=0x11000000;
		}
		step++;
		if(step>=15)
		{
			m_vs.timer.cancel();
			m_vs.timer=null;
			m_vs.vimg=null;
			m_vs.tempimg=null;
			System.gc();
								
			GameAniSplash gas=new GameAniSplash(m_vs.m_gmid);
			//new Thread(gas).start();
			m_vs.m_gmid.setCurrent(gas);
		}
		m_vs.tempimg=Image.createRGBImage(m_vs.pixelone, m_vs.vimg.getWidth(), m_vs.vimg.getHeight(), true);
		m_vs.repaint();
	
	}
}