Source for gnu.java.awt.peer.gtk.GdkGraphicsEnvironment

   1: /* GdkGraphicsEnvironment.java -- information about the graphics environment
   2:    Copyright (C) 2004, 2005  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.peer.gtk;
  40: 
  41: import java.awt.Font;
  42: import java.awt.Graphics2D;
  43: import java.awt.GraphicsDevice;
  44: import java.awt.GraphicsEnvironment;
  45: import java.awt.HeadlessException;
  46: import java.awt.Toolkit;
  47: import java.awt.image.BufferedImage;
  48: import java.util.Locale;
  49: 
  50: public class GdkGraphicsEnvironment extends GraphicsEnvironment
  51: {
  52:   public GdkGraphicsEnvironment ()
  53:   {
  54:   }
  55: 
  56:   public GraphicsDevice[] getScreenDevices ()
  57:   {
  58:     // FIXME: Support multiple screens, since GDK can.
  59:     return new GraphicsDevice[] { new GdkScreenGraphicsDevice (this) };
  60:   }
  61: 
  62:   public GraphicsDevice getDefaultScreenDevice ()
  63:   {
  64:     if (GraphicsEnvironment.isHeadless ())
  65:       throw new HeadlessException ();
  66: 
  67:     return new GdkScreenGraphicsDevice (this);
  68:   }
  69: 
  70:   public Graphics2D createGraphics (BufferedImage image)
  71:   {
  72:     return new GdkGraphics2D (image);
  73:   }
  74:   
  75:   private native int nativeGetNumFontFamilies();
  76:   private native void nativeGetFontFamilies(String[] family_names);
  77: 
  78:   public Font[] getAllFonts ()
  79:   {
  80:     throw new java.lang.UnsupportedOperationException ();
  81:   }
  82: 
  83:     public String[] getAvailableFontFamilyNames ()
  84:     {
  85:     String[] family_names;
  86:     int array_size;
  87: 
  88:     array_size = nativeGetNumFontFamilies();
  89:     family_names = new String[array_size];
  90: 
  91:     nativeGetFontFamilies(family_names);
  92:     return family_names;
  93:     }
  94: 
  95:   public String[] getAvailableFontFamilyNames (Locale l)
  96:   {
  97:     throw new java.lang.UnsupportedOperationException ();
  98:   }
  99: }