example14_14.java

来自「不错的教程 适合中高级人员的使用」· Java 代码 · 共 31 行

import java.applet.*;import java.awt.*;
import java.awt.event.*;
class Imagecanvas extends Canvas 
{  Toolkit tool;  Image image;
   Imagecanvas()
   { setSize(200,200);
     tool=getToolkit();//得到一个Toolkit对象。
     image=tool.getImage("Water lilies.jpg");//由tool负责获取图像。
   }
   public void paint(Graphics g)
   {
     g.drawImage(image,10,10,image.getWidth(this),image.getHeight(this),this);
   }
   public Image getImage()
	{return image;}
}
public class Example14_14
{ public static void main(String args[])
  {Imagecanvas canvas=new Imagecanvas();
   Frame frame=new Frame();   
   frame.add(canvas,BorderLayout.CENTER);      
   frame.setIconImage(canvas.getImage());
   frame.setSize(800,600);frame.setVisible(true);
   frame.validate();
   frame.addWindowListener(new WindowAdapter()
     {public void windowClosing(WindowEvent e)
         {System.exit(0);}
         });
   }
}