renderingdemo9.java

来自「java 完全探索的随书源码」· Java 代码 · 共 35 行

// RenderingDemo9.java

import java.awt.*;
import java.awt.geom.*;

public class RenderingDemo9 extends java.applet.Applet
{
   Image im;

   public void init ()
   {
      String imageName = getParameter ("image");
      if (imageName != null)
          im = getImage (getCodeBase (), imageName);
   }

   public void paint (Graphics g)
   {
      int w = getSize ().width;
      int h = getSize ().height;

      g.fillRect (0, 0, w, h);

      Polygon p = new Polygon ();
      p.addPoint (0, 0);
      p.addPoint (w / 2, h);
      p.addPoint (w, 0);

      g.setClip (p);

      if (im != null)
          g.drawImage (im, 0, 0, this);
   }
}