import java.awt.*;
import java.applet.Applet;

public class Mogura extends Applet
{
	private Image moguraImage;

	public void init() {
		moguraImage = getImage(getDocumentBase(), "mogura.gif");
		MediaTracker mt = new MediaTracker(this);
		mt.addImage(moguraImage, 5000);
		try	{
			mt.waitForID(5000);
		}
		catch(Exception e)	{
			System.out.println(e.getMessage());
		}
		AnimatedCanvas ac;							//修正個所
		add(ac = new AnimatedCanvas(moguraImage));	//修正個所
		ac.start();									//修正個所
	}
}

class ImageCanvas extends Canvas
{
	Image presenImage;
	int w, h;
	
	public ImageCanvas(Image img)	{
		presenImage = img;
		w = presenImage.getWidth(this);
		h = presenImage.getHeight(this);
		this.setSize(w, h);
	}
	
	public void paint(Graphics g)	{
		g.drawImage(presenImage, 0, 0, this);
	}
}

class AnimatedCanvas extends ImageCanvas
	implements Runnable
{
	Thread myTh;
	Color backColor = Color.pink;
	float visibleArea;
	
	public AnimatedCanvas(Image img)	{
		super(img);
		myTh = new Thread(this);
//		myTh.start();		//修正個所
	}
	
	public void start()	{		//修正個所
		myTh.start();			//修正個所
	}						//修正個所
	
	public void run()	{
		Graphics g = getGraphics();
		g.setColor(backColor);
		for(visibleArea = 0; visibleArea<=1.0; visibleArea +=0.1)	{
			g.fillRect(0,0,w,h);
			g.drawImage(presenImage, 0, (int)(h*(1-visibleArea)), this);
			try	{
				Thread.sleep(100);
			}
			catch(Exception e)	{
				System.out.println(e.getMessage());
			}
		}
	}
	
	public void paint(Graphics g)	{	}
}