| /* |
| * |
| * Copyright (c) 2007, 2011, Oracle and/or its affiliates. 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 Oracle 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. |
| */ |
| package java2d.demos.Fonts; |
| |
| |
| import static java.awt.Color.BLACK; |
| import static java.awt.Color.GRAY; |
| import static java.awt.Color.WHITE; |
| import java.awt.Component; |
| import java.awt.Dimension; |
| import java.awt.Font; |
| import java.awt.FontMetrics; |
| import java.awt.Graphics2D; |
| import java.awt.GraphicsEnvironment; |
| import java.awt.event.ActionEvent; |
| import java.awt.event.ActionListener; |
| import java.util.ArrayList; |
| import java.util.List; |
| import java2d.AnimatingControlsSurface; |
| import java2d.CustomControls; |
| import javax.swing.JMenu; |
| import javax.swing.JMenuBar; |
| import javax.swing.JMenuItem; |
| import javax.swing.JSlider; |
| import javax.swing.SwingConstants; |
| import javax.swing.border.EtchedBorder; |
| import javax.swing.event.ChangeEvent; |
| import javax.swing.event.ChangeListener; |
| |
| |
| /** |
| * Scrolling text of fonts returned from GraphicsEnvironment.getAllFonts(). |
| */ |
| @SuppressWarnings("serial") |
| public class AllFonts extends AnimatingControlsSurface { |
| |
| private static final List<Font> fonts = new ArrayList<Font>(); |
| |
| static { |
| GraphicsEnvironment ge = |
| GraphicsEnvironment.getLocalGraphicsEnvironment(); |
| for (Font font : ge.getAllFonts()) { |
| if (font.canDisplayUpTo(font.getName()) != 0) { |
| fonts.add(font); |
| } |
| } |
| } |
| private int nStrs; |
| private int strH; |
| private int fi; |
| protected int fsize = 14; |
| protected List<Font> v = new ArrayList<Font>(); |
| |
| public AllFonts() { |
| setBackground(WHITE); |
| setSleepAmount(500); |
| setControls(new Component[] { new DemoControls(this) }); |
| } |
| |
| public void handleThread(int state) { |
| } |
| |
| @Override |
| public void reset(int w, int h) { |
| v.clear(); |
| Font f = fonts.get(0).deriveFont(Font.PLAIN, fsize); |
| FontMetrics fm = getFontMetrics(f); |
| strH = (fm.getAscent() + fm.getDescent()); |
| nStrs = h / strH + 1; |
| fi = 0; |
| } |
| |
| @Override |
| public void step(int w, int h) { |
| if (fi < fonts.size()) { |
| v.add(fonts.get(fi).deriveFont(Font.PLAIN, fsize)); |
| } |
| if (v.size() == nStrs && !v.isEmpty() || fi > fonts.size()) { |
| v.remove(0); |
| } |
| fi = v.isEmpty() ? 0 : ++fi; |
| } |
| |
| @Override |
| public void render(int w, int h, Graphics2D g2) { |
| |
| g2.setColor(BLACK); |
| |
| int yy = (fi >= fonts.size()) ? 0 : h - v.size() * strH - strH / 2; |
| |
| for (int i = 0; i < v.size(); i++) { |
| Font f = v.get(i); |
| int sw = getFontMetrics(f).stringWidth(f.getName()); |
| g2.setFont(f); |
| g2.drawString(f.getName(), (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]; |
| |
| @SuppressWarnings("LeakingThisInConstructor") |
| public DemoControls(AllFonts demo) { |
| this.demo = demo; |
| setBackground(GRAY); |
| |
| int sleepAmount = (int) demo.getSleepAmount(); |
| slider = new JSlider(SwingConstants.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 = menubar.add(new JMenu("Font Size")); |
| for (int i = 0; i < fsize.length; i++) { |
| font[i] = new Font(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); |
| } |
| } |
| |
| @Override |
| 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; |
| } |
| } |
| } |
| |
| @Override |
| public void stateChanged(ChangeEvent e) { |
| demo.setSleepAmount(slider.getValue()); |
| } |
| } |
| } |