drawframe.java

Java 多媒体技术(附源码) Java 3D API JavaSound API 各种格式的多媒体数据文件 JBuilder开发环境

package drawr_e;

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

/**
 * <p>Title: Draw_Fill_Rectangle_Ellipse</p>
 * <p>Description: 应用Java 2D API绘制矩形和椭圆以及填充颜色</p>
 * <p>Copyright: Copyright (c) 2004</p>
 * <p>Company: 北京师范大学计算机系</p>
 * @author 张良博
 * @version 1.0
 */

public class DrawFrame extends JFrame {

  public static final int DEFAULT_WIDTH = 400;
  public static final int DEFAULT_HEIGHT = 300;
  DrawPanel panel;
  Container contentPane;
//  JPanel contentPane;
  BorderLayout borderLayout1 = new BorderLayout();

  //Construct the frame
  public DrawFrame() {
    enableEvents(AWTEvent.WINDOW_EVENT_MASK);
    try {
      jbInit();
    }
    catch(Exception e) {
      e.printStackTrace();
    }
  }
  //Component initialization
  private void jbInit() throws Exception  {
    panel = new DrawPanel();
    contentPane = getContentPane();
    contentPane.add(panel);
    this.setSize(new Dimension(DEFAULT_WIDTH, DEFAULT_HEIGHT));
    this.setTitle("绘制矩形和椭圆以及填充颜色");
  }
  //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);
    }
  }
}