transformfrm.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 transform;

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

/**
 * <p>Title: Transform</p>
 * <p>Description: 应用Java 2D API实现几何图形的变换</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 TransformFrm extends JFrame {
  private TransformPanel canvas;
  private static final int WIDTH = 300;
  private static final int HEIGHT = 300;
  //Construct the frame
  public TransformFrm() {
    enableEvents(AWTEvent.WINDOW_EVENT_MASK);
    try {
      jbInit();
    }
    catch(Exception e) {
      e.printStackTrace();
    }
  }
  //Component initialization
  private void jbInit() throws Exception  {
    //setIconImage(Toolkit.getDefaultToolkit().createImage(TransformFrm.class.getResource("[Your Icon]")));
    this.setTitle("应用Java 2D API实现几何图形的变换");
    this.setSize(new Dimension(WIDTH, HEIGHT));
    Container contentPane = getContentPane();
    canvas = new TransformPanel();
    contentPane.add(canvas, BorderLayout.CENTER);
    JPanel buttonPanel = new JPanel();
    ButtonGroup group = new ButtonGroup();
    JRadioButton rotateButton = new JRadioButton("Rotate", true);
    buttonPanel.add(rotateButton);
    group.add(rotateButton);
    rotateButton.addActionListener(new ActionListener() {
      public void actionPerformed(ActionEvent event) {
        canvas.setRotate();
      }
    });
    JRadioButton translateButton = new JRadioButton("Translate", false);
    buttonPanel.add(translateButton);
    group.add(translateButton);
    translateButton.addActionListener(new ActionListener() {
      public void actionPerformed(ActionEvent event) {
        canvas.setTranslate();
      }
    });
    JRadioButton scaleButton = new JRadioButton("Scale", false);
    buttonPanel.add(scaleButton);
    group.add(scaleButton);
    scaleButton.addActionListener(new ActionListener() {
      public void actionPerformed(ActionEvent event) {
        canvas.setScale();
      }
    });
    JRadioButton shearButton = new JRadioButton("Shear", false);
    buttonPanel.add(shearButton);
    group.add(shearButton);
    shearButton.addActionListener(new ActionListener() {
      public void actionPerformed(ActionEvent event){
        canvas.setShear();
      }
    });
    contentPane.add(buttonPanel, BorderLayout.NORTH);
  }
  //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);
    }
  }
}