mypanel.java

很好得jbuilder100例源代码

package texturepaint;

import java.awt.*;
import java.awt.geom.*;
import java.awt.image.*;
import java.net.*;
import javax.swing.*;

/**
 * Title:
 * Description:
 * Copyright:    Copyright (c) 2001
 * Company:
 * @author
 * @version 1.0
 */

public class MyPanel extends JPanel {
  BorderLayout borderLayout1 = new BorderLayout();

  public MyPanel() {
    try {
      jbInit();
    }
    catch(Exception ex) {
      ex.printStackTrace();
    }
  }
  void jbInit() throws Exception {
    this.setLayout(borderLayout1);
  }

  public void paintComponent(Graphics g) {
    clear(g);
    Graphics2D g2d = (Graphics2D)g;
    URL imageFile1 = MyPanel.class.getResource("FACE.JPG");
    URL imageFile2 = MyPanel.class.getResource("COFFEE.JPG");
    Image faceImage = this.getToolkit().getImage(imageFile1);
    Image coffeeImage = this.getToolkit().getImage(imageFile2);
    BufferedImage bf1 = new BufferedImage(faceImage.getWidth(this),faceImage.getHeight(this),BufferedImage.TYPE_INT_RGB);
    Graphics2D g2d1 = bf1.createGraphics();
    g2d1.drawImage(faceImage, 0, 0, this);
    Rectangle imageRect =
      new Rectangle(0, 0, faceImage.getWidth(this), faceImage.getHeight(this));
    TexturePaint imagePaint = new TexturePaint(bf1, imageRect);
    g2d.setPaint(imagePaint);
    Rectangle fillArea = new Rectangle(0, 0, this.getWidth(), this.getHeight());
    g2d.fill(fillArea);
    g2d.drawImage(coffeeImage, (this.getWidth()-coffeeImage.getWidth(this))/2, (this.getHeight()-coffeeImage.getHeight(this))/2, this);
  }

  protected void clear(Graphics g) {
    super.paintComponent(g);
  }
}