attributedtext.java

java tutorial.sun公司官方出品。java入门书籍。最新版

/*
 * Copyright (c) 1995 - 2008 Sun Microsystems, Inc.  All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 *   - Redistributions of source code must retain the above copyright
 *     notice, this list of conditions and the following disclaimer.
 *
 *   - Redistributions in binary form must reproduce the above copyright
 *     notice, this list of conditions and the following disclaimer in the
 *     documentation and/or other materials provided with the distribution.
 *
 *   - Neither the name of Sun Microsystems nor the names of its
 *     contributors may be used to endorse or promote products derived
 *     from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
 * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */ 


import javax.swing.*;
import java.applet.*;
import java.awt.*;
import java.awt.event.*;
import java.util.Hashtable;

import java.awt.font.TextAttribute;

/**
 * This class demonstrates how to use Text Attributes to style text.
 */
public class AttributedText extends Applet {
          
    public void paint(Graphics g) {

        Font font = new Font(Font.SERIF, Font.PLAIN, 24);
        g.setFont(font); 
        String text = "Too WAVY";
        g.drawString(text, 45, 30);

        Hashtable<TextAttribute, Object> map =
            new Hashtable<TextAttribute, Object>();

        /* Kerning makes the text spacing more natural */
        map.put(TextAttribute.KERNING, TextAttribute.KERNING_ON);
        font = font.deriveFont(map);
        g.setFont(font); 
        g.drawString(text, 45, 60);

        /* Underlining is easy */
        map.put(TextAttribute.UNDERLINE, TextAttribute.UNDERLINE_ON);
        font = font.deriveFont(map);
        g.setFont(font); 
        g.drawString(text, 45, 90);

        /* Strikethrouh is easy */
        map.put(TextAttribute.STRIKETHROUGH, TextAttribute.STRIKETHROUGH_ON);
        font = font.deriveFont(map);
        g.setFont(font); 
        g.drawString(text, 45, 120);

        /* This colour applies just to the font, not other rendering */
        map.put(TextAttribute.FOREGROUND, Color.BLUE);
        font = font.deriveFont(map);
        g.setFont(font);
        g.drawString(text, 45, 150);
    }

    public static void main(String[] args) {

        Frame f = new Frame("Attributed Text Sample");
            
        f.addWindowListener(new WindowAdapter(){
                public void windowClosing(WindowEvent e) {
                    System.exit(0);
                }
            });

        f.add("Center",  new AttributedText());
        f.setSize(new Dimension(250, 200));
        f.setVisible(true);
    }
}