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176

Chapter 7 Generating the Server Response: HTTP Response Headers

Listing 7.11  ShadowedTextFrame.java 

package coreservlets;

import java.awt.*;

import javax.swing.*;

import java.awt.geom.*;

/** Interactive interface to MessageImage class.

 *  Enter message, font name, and font size on the command

 *  line. Requires Java2.

 */

public class ShadowedTextFrame extends JPanel {

  private Image messageImage;

  public static void main(String[] args) {

    String message = "Shadowed Text";

    if (args.length > 0) {

      message = args[0];

    }

    String fontName = "Serif";

    if (args.length > 1) {

      fontName = args[1];

    }

    int fontSize = 90;

    if (args.length > 2) {

      try {

        fontSize = Integer.parseInt(args[2]);

      } catch(NumberFormatException nfe) {}

    }

    JFrame frame = new JFrame("Shadowed Text");

    frame.addWindowListener(new ExitListener());

    JPanel panel =

      new ShadowedTextFrame(message, fontName, fontSize);

    frame.setContentPane(panel);

    frame.pack();

    frame.setVisible(true);

  }

  public ShadowedTextFrame(String message,

                           String fontName,

                           int fontSize) {

    messageImage = MessageImage.makeMessageImage(message,

                                                 fontName,

                                                 fontSize);

    int width = messageImage.getWidth(this);

    int height = messageImage.getHeight(this);

    setPreferredSize(new Dimension(width, height));

  }

Second edition of this book: www.coreservlets.com; Sequel: www.moreservlets.com.

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