scencemanger.java

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package like.scence2D;

import java.awt.*;
import java.util.*;

/**
 *实现场景全屏和窗口模式的切换以及场景间的切换
 */
public class ScenceManger
{
	private Hashtable htPros;
	private GraphicsDevice device;
	
	/**
        Creates a new SimpleScreenManager object.
    */
    public ScenceManger()
    {
        GraphicsEnvironment environment =
            GraphicsEnvironment.getLocalGraphicsEnvironment();
        device = environment.getDefaultScreenDevice();
       	htPros = new Hashtable();
    }
	
	public Hashtable getHtPros()	{return this.htPros;}
	
	public boolean changeMode(Scence scence,int width,int height)
	{
		if(scence.ifFullScreen)
		{
			device.setFullScreenWindow(null);
			return true;
		}
		else 
		{
	        //scence.setUndecorated(true);
       		scence.setResizable(false);
			device.setFullScreenWindow(scence);
			DisplayMode displayMode = new DisplayMode(width,
				height,16,DisplayMode.REFRESH_RATE_UNKNOWN);
			
			if (device.isDisplayChangeSupported())
	        {
	            try 
	            {
	                device.setDisplayMode(displayMode);
	            }
	            catch (IllegalArgumentException ex) 
	            {
	                ex.printStackTrace();
	            }
	            return true;
	        }
		}
		return false;
	}//end method changeMode()
	
	public void changeScence(Scence scence)
	{
		Window window = device.getFullScreenWindow();
        if (window != null) {window.dispose();}
        device.setFullScreenWindow(null);
        
        //初始化新场景
        if(scence!=null)
        	scence.init();
	}
}