Source for gnu.java.awt.font.FontFactory

   1: /* FontFactory.java -- Factory for font delegates.
   2:    Copyright (C) 2006 Free Software Foundation, Inc.
   3: 
   4: This file is part of GNU Classpath.
   5: 
   6: GNU Classpath is free software; you can redistribute it and/or modify
   7: it under the terms of the GNU General Public License as published by
   8: the Free Software Foundation; either version 2, or (at your option)
   9: any later version.
  10: 
  11: GNU Classpath is distributed in the hope that it will be useful, but
  12: WITHOUT ANY WARRANTY; without even the implied warranty of
  13: MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14: General Public License for more details.
  15: 
  16: You should have received a copy of the GNU General Public License
  17: along with GNU Classpath; see the file COPYING.  If not, write to the
  18: Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
  19: 02110-1301 USA.
  20: 
  21: Linking this library statically or dynamically with other modules is
  22: making a combined work based on this library.  Thus, the terms and
  23: conditions of the GNU General Public License cover the whole
  24: combination.
  25: 
  26: As a special exception, the copyright holders of this library give you
  27: permission to link this library with independent modules to produce an
  28: executable, regardless of the license terms of these independent
  29: modules, and to copy and distribute the resulting executable under
  30: terms of your choice, provided that you also meet, for each linked
  31: independent module, the terms and conditions of the license of that
  32: module.  An independent module is a module which is not derived from
  33: or based on this library.  If you modify this library, you may extend
  34: this exception to your version of the library, but you are not
  35: obligated to do so.  If you do not wish to do so, delete this
  36: exception statement from your version. */
  37: 
  38: 
  39: package gnu.java.awt.font;
  40: 
  41: import java.nio.ByteBuffer;
  42: 
  43: import java.awt.FontFormatException;
  44: import gnu.java.awt.font.opentype.OpenTypeFontFactory;
  45: 
  46: 
  47: /**
  48:  * A factory for creating font delegate objects.
  49:  *
  50:  * @author Sascha Brawer (brawer@dandelis.ch)
  51:  */
  52: public final class FontFactory
  53: {
  54:   /**
  55:    * The constructor is private so nobody can construct an instance
  56:    */
  57:   private FontFactory()
  58:   {
  59:   }
  60: 
  61: 
  62:   /**
  63:    * Creates FontDelegate objects for the fonts in the specified buffer.
  64:    * The following font formats are currently recognized:
  65:    * recognized font formats are:
  66:    *
  67:    * <p><ul>
  68:    * <li>OpenType (*.otf);</li>
  69:    * <li>TrueType (*.ttf);</li>
  70:    * <li>TrueType Collections (*.ttc);</li>
  71:    * <li>Apple MacOS X data-fork font (*.dfont).</li></ul>
  72:    *
  73:    * <p>Some formats may contain more than a single font, for example
  74:    * *.ttc and *.dfont files. This is the reason why this function
  75:    * returns an array.
  76:    *
  77:    * <p>The implementation reads data from the buffer only when
  78:    * needed. Therefore, it greatly increases efficiency if
  79:    * <code>buf</code> has been obtained through mapping a file into
  80:    * the virtual address space.
  81:    *
  82:    * @throws FontFormatException if the font data is not in one of the
  83:    * known formats.
  84:    */
  85:   public static FontDelegate[] createFonts(ByteBuffer buf)
  86:     throws FontFormatException
  87:   {
  88:     return OpenTypeFontFactory.createFonts(buf);
  89:   }
  90: }