insure.java

Java开发的操作系统实验

package OS;

import java.awt.*;
import javax.swing.*;
import java.awt.Dimension;
import java.awt.BorderLayout;
import java.awt.Rectangle;
import java.math.*;
import java.awt.event.ActionListener;
import java.awt.event.ActionEvent;

/**
 * <p>Title: </p>
 *
 * <p>Description: </p>
 *
 * <p>Copyright: Copyright (c) 2008</p>
 *
 * <p>Company: </p>
 *
 * @author not attributable
 * @version 1.0
 */
public class Insure
    extends JFrame {
  int x[] = {
      70, 390, 390};
  int y[] = {
      270, 150, 270};

  JPanel contentPane;
  MyCanvas c;
  JButton jButton1 = new JButton();
  public Insure() {
    try {
      setDefaultCloseOperation(EXIT_ON_CLOSE);
      jbInit();
    }
    catch (Exception exception) {
      exception.printStackTrace();
    }
  }

  /**
   * Component initialization.
   *
   * @throws java.lang.Exception
   */
  private void jbInit() throws Exception {
    contentPane = (JPanel) getContentPane();
    contentPane.setLayout(null);
    c = new MyCanvas();
    c.setBackground(Color.white);
    setSize(new Dimension(800, 700));
    setLayout(null);
    c.setBackground(Color.white);
    c.setVisible(true);
    c.setBounds(new Rectangle(0, 0, 700, 700));
    jButton1.setBounds(new Rectangle(701, 324, 76, 28));
    jButton1.setText("重组");
    jButton1.addActionListener(new ActionListener() {
      public void actionPerformed(ActionEvent e) {
        jButton1_actionPerformed(e);
      }
    });
    contentPane.add(c, null);
    contentPane.add(jButton1);
  }

  public void jButton1_actionPerformed(ActionEvent e) {
    c.draw(c.getGraphics(), 5, 6, x, y, Color.red);
  }
}

class MyCanvas
    extends Canvas {
  Image buffer;
  Graphics pic;
  int w, h, k = 1;
  int x[] = {
      70, 390, 390};
  int y[] = {
      270, 150, 270};
  int a[] = {
      390, 590, 590};
  int b[] = {
      150, 70, 150};
  int c[] = {
      390, 590, 590, 470, 470, 390};
  int d[] = {
      150, 150, 190, 190, 230, 230};
  int e[] = {
      390, 470, 470, 590, 590, 390};
  int f[] = {
      230, 230, 190, 190, 270, 270};

  int x1[] = {
      270, 590, 590};
  int y1[] = {
      510, 390, 510};

  int a1[] = {
      70, 270, 270};
  int b1[] = {
      590, 510, 590};

  int c1[] = {
      270, 470, 470, 350, 350, 270};
  int d1[] = {
      510, 510, 550, 550, 590, 590};

  int e1[] = {
      390, 470, 470, 590, 590, 390};
  int f1[] = {
      550, 550, 510, 510, 590, 590};

  public MyCanvas() {

  }

  public void paint(Graphics g) {
    if (k == 1) {
      init(g);
      w = getWidth();
      h = getHeight();
      buffer = this.createImage(w, h);
      pic = buffer.getGraphics();
      init(pic);
      k = 2;
    }
    else {
      g.drawImage(buffer, 0, 0, this);
    }
  }

  public static void pause() {
    try {
      Thread.sleep(200);
    }
    catch (InterruptedException ex) {
    }
  }

  public void draw(Graphics gg, int offsetx, int offsety, int[] m, int[] n,Color color) {
    Graphics2D g = (Graphics2D) gg;
    int mode = AlphaComposite.SRC_OVER;
    float alpha =0.5f;
    AlphaComposite ac = AlphaComposite.getInstance(mode, alpha);
    g.setComposite(ac);
    for (int i = 0; i < Math.abs(offsety) * 8; i++) {
      this.pause();
      for (int j = 0; j < n.length; j++) {
        n[j] += (int) (5 * offsety / Math.abs(offsety));
      }
      g.setColor(color);
      g.fillPolygon(m, n, n.length);
      g.setColor(Color.BLACK);
      g.drawPolygon(m, n, n.length);
      this.paint(g);

    }
    for (int i = 0; i < Math.abs(offsetx) * 8; i++) {
      for (int j = 0; j < m.length; j++) {
        m[j] += (int) (5 * offsetx / Math.abs(offsetx));
      }
      this.pause();
      g.setColor(color);
      g.fillPolygon(m, n, m.length);
      g.setColor(Color.BLACK);
      g.drawPolygon(m, n, m.length);
      this.paint(g);
    }
    g.setColor(color);
    g.fillPolygon(m, n, m.length);
    g.setColor(Color.BLACK);
    g.drawPolygon(m, n, m.length);
  }

  public void update(Graphics g) {
    paint(g);
  }

  public void init(Graphics g) {
    g.setColor(Color.red);
    g.fillPolygon(x, y, 3);
    g.fillPolygon(x1, y1, 3);

    g.setColor(Color.blue);
    g.fillPolygon(a, b, 3);
    g.fillPolygon(a1, b1, 3);

    g.setColor(Color.orange);
    g.fillPolygon(c, d, 6);
    g.fillPolygon(c1, d1, 6);

    g.setColor(Color.green);
    g.fillPolygon(e, f, 6);
    g.fillPolygon(e1, f1, 6);

    g.setColor(Color.black);
    g.drawPolygon(x, y, 3);
    g.drawPolygon(a, b, 3);
    g.drawPolygon(c, d, 6);
    g.drawPolygon(e, f, 6);
    g.drawPolygon(x1, y1, 3);
    g.drawPolygon(a1, b1, 3);
    g.drawPolygon(c1, d1, 6);
    g.drawPolygon(e1, f1, 6);

    for (int i = 0; i < 17; i++) {
      g.drawLine(30, 30 + i * 40, 670, 30 + i * 40);
      if (i > 0) {
        g.drawString(i + "", 27 + 40 * i, 685);
      }
    }
    for (int j = 0; j < 17; j++) {
      g.drawLine(30 + j * 40, 30, 30 + j * 40, 670);
      if (j < 10) {
        g.drawString(" " + j, 10, 670 - j * 40);
      }
      else {
        g.drawString(j + "", 10, 677 - j * 40);
      }
    }
    g.setColor(Color.red);
    g.drawLine(70,270,590,70);
    g.drawLine(70,590,590,390);
  }
}