ne.java~21~

很好得jbuilder100例源代码

package font;

import java.awt.*;
import java.awt.event.*;
import java.applet.*;
import javax.swing.*;
import com.borland.jbcl.layout.*;

public class ne extends Applet {
  Color mycolor;
  int height;
  Font myfont;
  boolean isStandalone = false;
  JTextField theight = new JTextField();
  JButton but = new JButton();
  XYLayout xYLayout1 = new XYLayout();
  JTextField r = new JTextField();
  JTextField g = new JTextField();
  JTextField b = new JTextField();
  JLabel jLabel1 = new JLabel();
  JLabel jLabel2 = new JLabel();
  JLabel jLabel3 = new JLabel();
  JLabel jLabel4 = new JLabel();
  /**Get a parameter value*/
  public String getParameter(String key, String def) {
    return isStandalone ? System.getProperty(key, def) :
      (getParameter(key) != null ? getParameter(key) : def);
  }

  /**Construct the applet*/
  public ne() {
  }
  /**Initialize the applet*/
  public void init() {
    try {
      jbInit();
    }
    catch(Exception e) {
      e.printStackTrace();
    }
  }
  /**Component initialization*/
  private void jbInit() throws Exception {
    but.setText("确定");
    but.addActionListener(new java.awt.event.ActionListener() {
      public void actionPerformed(ActionEvent e) {
        but_actionPerformed(e);
      }
    });
    this.setLayout(xYLayout1);
    r.setText("0");
    r.setHorizontalAlignment(SwingConstants.LEFT);
    g.setText("0");
    g.setHorizontalAlignment(SwingConstants.LEFT);
    b.setText("0");
    b.setHorizontalAlignment(SwingConstants.LEFT);
    jLabel1.setFont(new java.awt.Font("Dialog", 0, 16));
    jLabel1.setText("大小");
    jLabel2.setFont(new java.awt.Font("Dialog", 0, 16));
    jLabel2.setText("R");
    jLabel3.setFont(new java.awt.Font("Dialog", 0, 16));
    jLabel3.setText("G");
    jLabel4.setFont(new java.awt.Font("Dialog", 0, 16));
    jLabel4.setText("B");
    theight.setText("32");
    this.add(theight,  new XYConstraints(50, 6, 60, 30));
    this.add(r,  new XYConstraints(172, 6, 60, 30));
    this.add(g,    new XYConstraints(49, 53, 60, 30));
    this.add(b,     new XYConstraints(172, 52, 60, 30));
    this.add(jLabel1,   new XYConstraints(4, 6, 40, 30));
    this.add(jLabel2,    new XYConstraints(129, 6, 40, 30));
    this.add(jLabel3,    new XYConstraints(4, 53, 40, 33));
    this.add(jLabel4,    new XYConstraints(129, 52, 40, 30));
    this.add(but, new XYConstraints(245, 53, -1, -1));
  }
  /**Get Applet information*/
  public String getAppletInfo() {
    return "Applet Information";
  }
  /**Get parameter info*/
  public String[][] getParameterInfo() {
    return null;
  }

  void but_actionPerformed(ActionEvent e) {
    String s=theight.getText();
      if(s==null)
          theight.setText("32");
      try{
          s=theight.getText();
          height=Integer.parseInt(s);
          if(height>=60){
             height=60;
             theight.setText("60");
          }
      }
       catch(Exception ex){
          ex.printStackTrace();
       }
     myfont=new Font("TimesRoman",Font.PLAIN,height);
      String cr=r.getText();
       if(cr==null)
          r.setText("0");
        cr=r.getText();
        int pr=Integer.parseInt(cr);
        if(pr>=255){
            pr=255;
            r.setText("255");
         }
        String cg=g.getText();
       if(cg==null)
          g.setText("0");
        cg=g.getText();
        int pg=Integer.parseInt(cg);
        if(pg>=255){
            pg=255;
            g.setText("255");
         }
         String cb=b.getText();
       if(cb==null)
          b.setText("0");
        cb=b.getText();
        int pb=Integer.parseInt(cb);
        if(pb>=255){
            pb=255;
            b.setText("255");
         }
         mycolor=new Color(pr,pg,pb);
         repaint();
  }
  public void paint(Graphics g){
      g.setColor(mycolor);
      g.setFont(myfont);
      if(height<=40)
      g.drawString("HAPPY TIME",10,150);
      else
      g.drawString("HAPPY TIME",10,3*height);
  }

}