drowpolygonframe.java

java灵感设计

package drowpolygon;

import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import java.util.*;

/**
 * <p>Title: Drow Polygon Demo</p>
 * <p>Description: This is a Drow Polygon demo</p>
 * <p>Copyright: Copyright (c) 2002</p>
 * <p>Company: d6-125</p>
 * @author Liujun
 * @version 1.0
 */

public class DrowPolygonFrame extends JFrame {
  JPanel contentPane;
  BorderLayout borderLayout1 = new BorderLayout();
  Random generator = new Random();

  //Construct the frame
  public DrowPolygonFrame() {
    enableEvents(AWTEvent.WINDOW_EVENT_MASK);
    try {
      jbInit();
    }
    catch(Exception e) {
      e.printStackTrace();
    }
  }
  //Component initialization
  private void jbInit() throws Exception  {
    //setIconImage(Toolkit.getDefaultToolkit().createImage(DrowPolygonFrame.class.getResource("[Your Icon]")));
    contentPane = (JPanel) this.getContentPane();
    contentPane.setLayout(borderLayout1);
    this.setForeground(Color.black);
    this.setSize(new Dimension(400, 300));
    this.setTitle("Drow Polygon Frame Demo");
  }
  //Overridden so we can exit when window is closed
  protected void processWindowEvent(WindowEvent e) {
    super.processWindowEvent(e);
    if (e.getID() == WindowEvent.WINDOW_CLOSING) {
      System.exit(0);
    }
  }
  public void paint(Graphics g) {
    /**@todo: Override this java.awt.Container method*/
    //重载该方法，来刷新屏幕
   super.paint( g);
   int x[]={10,20,30,40,50,60,70,80,90,100};//设置数组X的初始值
   int y[]={10,20,30,40,50,60,70,80,90,100};//设置数组Y的初始值
     for (int i = 0; i < 10; i++)//使用随机数设置X和Y的值
      {
        x[i]=generator.nextInt(200) ;
        y[i]=generator.nextInt(200) ;
      }
      Polygon Poly = new Polygon(x,y,10);//创建多边形
      g.setColor(Color.red);//设置多边形颜色
      g.drawPolygon(Poly);//绘制多边形
      g.setColor(Color.orange);//设置字符串颜色
      Font font1=new Font("宋体",Font.BOLD,36);
      g.setFont(font1);//设置字符串字体
      g.drawString("画多边形和文字演示。",60,60);//输出字符串
  }
}