gamesplash.java

J2ME的游戏原代码!希望能帮助有需要帮助的师兄弟们！

/*
 * GameSplash.java
 *
 * Created on den 8 augusti 2003, 11:21
 */

package DXBenchmarker;

/*
 * GameSplash.java
 *
 * Created on den 8 augusti 2003, 08:48
 */


import javax.microedition.lcdui.*;
import javax.microedition.midlet.MIDlet;
import java.io.IOException;

public class GameSplash extends Canvas implements Runnable
{
  private static final int COLOR_WHITE = 0xFFFFFFFF;
  private static final int COLOR_BLACK = 0x00000000;
  private static final int COLOR_YELLOW = 0x00FFFF00;
  
  private Display display;
  private Displayable previousDisplay;
  
  private Image splashImage;
  
  private boolean run;
  
  public GameSplash(Display display, Displayable previousDisplay)
  {
    this.display = display;
    this.previousDisplay = previousDisplay;
    
    try
    {
      splashImage = Image.createImage("/biorythmsplash.png");
    }
    catch (IOException ioe)
    {
      System.out.println("Can't load splash image. " + ioe);
    }
 
    repaint();
    
    run = true;
  }
  
  public void run()
  {
    long startStamp =  System.currentTimeMillis();
    long endStamp = System.currentTimeMillis();
    while (run) 
    {
      if (endStamp - startStamp < 5000)
      {
        endStamp = System.currentTimeMillis();
      }
      else
      {
        run = false;
      }
      
      Thread.currentThread().yield();
    }
    
    terminateSplash();
  }
  
  protected void paint(Graphics g)
  {
    g.setColor(COLOR_BLACK);
    g.fillRect(0, 0, getWidth(), getHeight());
    if (getHeight() > splashImage.getHeight() && getWidth() > splashImage.getWidth())
    {
      g.drawImage(splashImage, (getWidth() - splashImage.getWidth()) / 2, (getHeight() - splashImage.getHeight()) / 2, g.TOP | g.LEFT);
    }
    else if (getHeight() > splashImage.getHeight())
    {
      g.drawImage(splashImage, 0, (getWidth() - splashImage.getWidth()) / 2, g.TOP | g.LEFT);
    }
    else if (getWidth() > splashImage.getWidth())
    {
      g.drawImage(splashImage, (getHeight() - splashImage.getHeight()) / 2, 0, g.TOP | g.LEFT);
    }
    else
    {
      g.drawImage(splashImage, 0, 0, g.TOP | g.LEFT);
    }
    System.out.println("W: " + getWidth() + " H: " + getHeight() + " IW: " + splashImage.getWidth() + " IH: " + splashImage.getHeight());
  }
  
  public void terminateSplash()
  {
    display.setCurrent(previousDisplay);
  }
  
  protected void keyPressed(int keyCode)
  {
    if (keyCode > -1 || getGameAction(keyCode) > -1)
    {
      run = false;
    }
  }
}