Finds and displays available fonts
/*
* Copyright (c) Ian F. Darwin, http://www.darwinsys.com/, 1996-2002.
* All rights reserved. Software written by Ian F. Darwin and others.
* $Id: LICENSE,v 1.8 2004/02/09 03:33:38 ian Exp $
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. 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.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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.
*
* Java, the Duke mascot, and all variants of Sun's Java "steaming coffee
* cup" logo are trademarks of Sun Microsystems. Sun's, and James Gosling's,
* pioneering role in inventing and promulgating (and standardizing) the Java
* language and environment is gratefully acknowledged.
*
* The pioneering role of Dennis Ritchie and Bjarne Stroustrup, of AT&T, for
* inventing predecessor languages C and C++ is also gratefully acknowledged.
*/
import java.awt.Dimension;
import java.awt.Font;
import java.awt.Graphics;
import java.awt.GraphicsEnvironment;
import java.awt.Toolkit;
import javax.swing.JComponent;
import javax.swing.JFrame;
import javax.swing.JScrollPane;
/**
* Finds and displays available fonts
* <p>
* TODO: should be a JTable with the text name in one column and the demo in a
* JLabel in the other.
*
* @author Ian Darwin (original)
*/
public class FontDemo extends JComponent {
/** The list of Fonts */
protected String[] fontNames;
/** The fonts themselves */
protected Font[] fonts;
/** How much space between each name */
static final int YINCR = 20;
/**
* Construct a FontDemo -- Sets title and gets array of fonts on the system
*/
public FontDemo() {
Toolkit toolkit = Toolkit.getDefaultToolkit();
// For JDK 1.1: returns about 10 names (Serif, SansSerif, etc.)
// fontNames = toolkit.getFontList();
// For JDK 1.2: a much longer list; most of the names that come
// with your OS (e.g., Arial, Lucida, Lucida Bright, Lucida Sans...)
fontNames = GraphicsEnvironment.getLocalGraphicsEnvironment()
.getAvailableFontFamilyNames();
fonts = new Font[fontNames.length];
}
public Dimension getPreferredSize() {
return new Dimension(500, fontNames.length * YINCR);
}
/**
* Draws the font names in its font. Called by AWT when painting is needed
* Does lazy evaluation of Font creation, caching the results (without this,
* scrolling performance suffers even on a P3-750).
*/
public void paint(Graphics g) {
for (int i = 0; i < fontNames.length; i += 1) {
if (fonts[i] == null) {
fonts[i] = new Font(fontNames[i], Font.BOLD, 14);
}
g.setFont(fonts[i]);
int x = 20;
int y = 20 + (YINCR * i);
g.drawString(fontNames[i], x, y);
}
}
/** Simple main program to start it running */
public static void main(String[] args) {
JFrame f = new JFrame("Font Demo");
f.getContentPane().add(new JScrollPane(new FontDemo()));
f.setSize(600, 700);
f.setVisible(true);
f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
}
}
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