/*
* @(#)AllFonts.java 1.25 99/09/07
*
* Copyright (c) 1998, 1999 by Sun Microsystems, Inc. All Rights Reserved.
*
* Sun grants you ("Licensee") a non-exclusive, royalty free, license to use,
* modify and redistribute this software in source and binary code form,
* provided that i) this copyright notice and license appear on all copies of
* the software; and ii) Licensee does not utilize the software in a manner
* which is disparaging to Sun.
*
* This software is provided "AS IS," without a warranty of any kind. ALL
* EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES, INCLUDING ANY
* IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE OR
* NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN AND ITS LICENSORS SHALL NOT BE
* LIABLE FOR ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING
* OR DISTRIBUTING THE SOFTWARE OR ITS DERIVATIVES. IN NO EVENT WILL SUN OR ITS
* LICENSORS BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA, OR FOR DIRECT,
* INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR PUNITIVE DAMAGES, HOWEVER
* CAUSED AND REGARDLESS OF THE THEORY OF LIABILITY, ARISING OUT OF THE USE OF
* OR INABILITY TO USE SOFTWARE, EVEN IF SUN HAS BEEN ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGES.
*
* This software is not designed or intended for use in on-line control of
* aircraft, air traffic, aircraft navigation or aircraft communications; or in
* the design, construction, operation or maintenance of any nuclear
* facility. Licensee represents and warrants that it will not use or
* redistribute the Software for such purposes.
*/
package demos.Fonts;
import java.awt.*;
import java.awt.event.*;
import java.awt.font.FontRenderContext;
import java.awt.font.TextLayout;
import java.util.Vector;
import javax.swing.*;
import javax.swing.border.*;
import javax.swing.event.*;
import AnimatingControlsSurface;
import CustomControls;
/**
* Scrolling text of fonts returned from GraphicsEnvironment.getAllFonts().
*/
public class AllFonts extends AnimatingControlsSurface {
private static Vector fonts = new Vector();
static {
GraphicsEnvironment ge =
GraphicsEnvironment.getLocalGraphicsEnvironment();
Font allfonts[] = ge.getAllFonts();
for (int i = 0; i < allfonts.length; i++) {
if (allfonts[i].canDisplayUpTo(allfonts[i].getName()) > 0) {
fonts.addElement(allfonts[i]);
}
}
}
private int nStrs;
private int strH;
private int fi;
protected int fsize = 14;
protected Vector v = new Vector();
public AllFonts() {
setBackground(Color.white);
setSleepAmount(500);
setControls(new Component[] { new DemoControls(this) });
}
public void handleThread(int state) { }
public void reset(int w, int h) {
v.clear();
Font f = ((Font) fonts.get(0)).deriveFont(Font.PLAIN,fsize);
FontMetrics fm = getFontMetrics(f);
strH = (int) (fm.getAscent()+fm.getDescent());
nStrs = h/strH + 1;
fi = 0;
}
public void step(int w, int h) {
if (fi < fonts.size()) {
v.addElement(((Font) fonts.get(fi)).deriveFont(Font.PLAIN,fsize));
}
if (v.size() == nStrs && v.size() != 0 || fi > fonts.size()) {
v.removeElementAt(0);
}
fi = (v.size() == 0) ? 0 : ++fi;
}
public void render(int w, int h, Graphics2D g2) {
g2.setColor(Color.black);
int yy = (fi >= fonts.size()) ? 0 : h - v.size() * strH - strH/2;
for (int i = 0; i < v.size(); i++) {
Font f = (Font) v.get(i);
int sw = getFontMetrics(f).stringWidth(f.getName());
g2.setFont(f);
g2.drawString(f.getName(), (int) (w/2-sw/2),yy += strH);
}
}
public static void main(String argv[]) {
createDemoFrame(new AllFonts());
}
static class DemoControls extends CustomControls implements ActionListener, ChangeListener {
AllFonts demo;
JSlider slider;
int fsize[] = { 8, 14, 18, 24 };
JMenuItem menuitem[] = new JMenuItem[fsize.length];
Font font[] = new Font[fsize.length];
public DemoControls(AllFonts demo) {
this.demo = demo;
setBackground(Color.gray);
int sleepAmount = (int) demo.getSleepAmount();
slider = new JSlider(JSlider.HORIZONTAL, 0, 999, sleepAmount);
slider.setBorder(new EtchedBorder());
slider.setPreferredSize(new Dimension(90,22));
slider.addChangeListener(this);
add(slider);
JMenuBar menubar = new JMenuBar();
add(menubar);
JMenu menu = (JMenu) menubar.add(new JMenu("Font Size"));
for (int i = 0; i < fsize.length; i++) {
font[i] = new Font("serif", Font.PLAIN, fsize[i]);
menuitem[i] = menu.add(new JMenuItem(String.valueOf(fsize[i])));
menuitem[i].setFont(font[i]);
menuitem[i].addActionListener(this);
}
}
public void actionPerformed(ActionEvent e) {
for (int i = 0; i < fsize.length; i++) {
if (e.getSource().equals(menuitem[i])) {
demo.fsize = fsize[i];
Dimension d = demo.getSize();
demo.reset(d.width, d.height);
break;
}
}
}
public void stateChanged(ChangeEvent e) {
demo.setSleepAmount(slider.getValue());
}
}
}
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