1 /* GdkGraphicsEnvironment.java -- information about the graphics environment
2 Copyright (C) 2004, 2005, 2006 Free Software Foundation, Inc.
4 This file is part of GNU Classpath.
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)
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.
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
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
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. */
39 package gnu.java.awt.peer.gtk;
42 import java.awt.Graphics2D;
43 import java.awt.GraphicsDevice;
44 import java.awt.GraphicsEnvironment;
45 import java.awt.HeadlessException;
46 import java.awt.image.BufferedImage;
47 import java.awt.image.DataBuffer;
48 import java.util.Locale;
50 public class GdkGraphicsEnvironment extends GraphicsEnvironment
52 private final int native_state = GtkGenericPeer.getUniqueInteger ();
54 private GdkScreenGraphicsDevice defaultDevice;
56 private GdkScreenGraphicsDevice[] devices;
60 System.loadLibrary("gtkpeer");
65 static native void initStaticState();
67 public GdkGraphicsEnvironment ()
72 native void nativeInitState();
74 public GraphicsDevice[] getScreenDevices ()
78 devices = nativeGetScreenDevices();
81 return (GraphicsDevice[]) devices.clone();
84 private native GdkScreenGraphicsDevice[] nativeGetScreenDevices();
86 public GraphicsDevice getDefaultScreenDevice ()
88 if (GraphicsEnvironment.isHeadless ())
89 throw new HeadlessException ();
91 synchronized (GdkGraphicsEnvironment.class)
93 if (defaultDevice == null)
95 defaultDevice = nativeGetDefaultScreenDevice();
102 private native GdkScreenGraphicsDevice nativeGetDefaultScreenDevice();
104 public Graphics2D createGraphics (BufferedImage image)
106 DataBuffer db = image.getRaster().getDataBuffer();
107 if(db instanceof CairoSurface)
108 return ((CairoSurface)db).getGraphics();
110 return new BufferedImageGraphics( image );
113 private native int nativeGetNumFontFamilies();
114 private native void nativeGetFontFamilies(String[] family_names);
116 public Font[] getAllFonts ()
118 throw new java.lang.UnsupportedOperationException ();
121 public String[] getAvailableFontFamilyNames ()
123 String[] family_names;
126 array_size = nativeGetNumFontFamilies();
127 family_names = new String[array_size];
129 nativeGetFontFamilies(family_names);
133 public String[] getAvailableFontFamilyNames (Locale l)
135 throw new java.lang.UnsupportedOperationException ();
139 * Used by GtkMouseInfoPeer.
141 native int[] getMouseCoordinates();