example17_16.java

不错的教程 适合中高级人员的使用

import java.awt.*;import java.applet.*;
import java.awt.geom.*;
public class Example17_16 extends Applet
{  public void paint(Graphics g)
   {  Graphics2D g_2d=(Graphics2D)g;
      g_2d.setColor(Color.cyan);
      Rectangle2D rect=new Rectangle2D.Double(0,0,200,200);
      g_2d.fill(rect);
      Arc2D arc1=new Arc2D.Double(0,0,200,200,0,180,Arc2D.CHORD),
         arc2=new Arc2D.Double(0,0,200,200,0,-180,Arc2D.CHORD);
      RoundRectangle2D roundR1=new RoundRectangle2D.Double
                            (0,50,100,100,100,100),
                    roundR2=new RoundRectangle2D.Double
                            (100,50,100,100,100,100),
                    roundR3=new RoundRectangle2D.Double
                            (37.5,87.8,25,25,25,25),
                    roundR4=new RoundRectangle2D.Double
                            (137.5,87.8,25,25,25,25);
      g_2d.setColor(Color.white);  g_2d.fill(arc1);
      g_2d.setColor(Color.black);  g_2d.fill(arc2);
      g_2d.fill(roundR1);
      g_2d.setColor(Color.white);
      g_2d.fill(roundR2);  g_2d.fill(roundR3);
      g_2d.setColor(Color.black);
      g_2d.fill(roundR4);
   }
}