| /* GdkGraphicsEnvironment.java -- information about the graphics environment |
| Copyright (C) 2004, 2005, 2006 Free Software Foundation, Inc. |
| |
| This file is part of GNU Classpath. |
| |
| GNU Classpath is free software; you can redistribute it and/or modify |
| it under the terms of the GNU General Public License as published by |
| the Free Software Foundation; either version 2, or (at your option) |
| any later version. |
| |
| GNU Classpath is distributed in the hope that it will be useful, but |
| WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| General Public License for more details. |
| |
| You should have received a copy of the GNU General Public License |
| along with GNU Classpath; see the file COPYING. If not, write to the |
| Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA |
| 02110-1301 USA. |
| |
| Linking this library statically or dynamically with other modules is |
| making a combined work based on this library. Thus, the terms and |
| conditions of the GNU General Public License cover the whole |
| combination. |
| |
| As a special exception, the copyright holders of this library give you |
| permission to link this library with independent modules to produce an |
| executable, regardless of the license terms of these independent |
| modules, and to copy and distribute the resulting executable under |
| terms of your choice, provided that you also meet, for each linked |
| independent module, the terms and conditions of the license of that |
| module. An independent module is a module which is not derived from |
| or based on this library. If you modify this library, you may extend |
| this exception to your version of the library, but you are not |
| obligated to do so. If you do not wish to do so, delete this |
| exception statement from your version. */ |
| |
| |
| package gnu.java.awt.peer.gtk; |
| |
| import java.awt.Font; |
| import java.awt.Graphics2D; |
| import java.awt.GraphicsDevice; |
| import java.awt.GraphicsEnvironment; |
| import java.awt.HeadlessException; |
| import java.awt.image.BufferedImage; |
| import java.awt.image.DataBuffer; |
| import java.util.Locale; |
| |
| public class GdkGraphicsEnvironment extends GraphicsEnvironment |
| { |
| private final int native_state = GtkGenericPeer.getUniqueInteger (); |
| |
| private GdkScreenGraphicsDevice defaultDevice; |
| |
| private GdkScreenGraphicsDevice[] devices; |
| |
| static |
| { |
| System.loadLibrary("gtkpeer"); |
| |
| initStaticState (); |
| } |
| |
| static native void initStaticState(); |
| |
| public GdkGraphicsEnvironment () |
| { |
| nativeInitState(); |
| } |
| |
| native void nativeInitState(); |
| |
| public GraphicsDevice[] getScreenDevices () |
| { |
| if (devices == null) |
| { |
| devices = nativeGetScreenDevices(); |
| } |
| |
| return (GraphicsDevice[]) devices.clone(); |
| } |
| |
| private native GdkScreenGraphicsDevice[] nativeGetScreenDevices(); |
| |
| public GraphicsDevice getDefaultScreenDevice () |
| { |
| if (GraphicsEnvironment.isHeadless ()) |
| throw new HeadlessException (); |
| |
| synchronized (GdkGraphicsEnvironment.class) |
| { |
| if (defaultDevice == null) |
| { |
| defaultDevice = nativeGetDefaultScreenDevice(); |
| } |
| } |
| |
| return defaultDevice; |
| } |
| |
| private native GdkScreenGraphicsDevice nativeGetDefaultScreenDevice(); |
| |
| public Graphics2D createGraphics (BufferedImage image) |
| { |
| DataBuffer db = image.getRaster().getDataBuffer(); |
| if(db instanceof CairoSurface) |
| return ((CairoSurface)db).getGraphics(); |
| |
| return new BufferedImageGraphics( image ); |
| } |
| |
| private native int nativeGetNumFontFamilies(); |
| private native void nativeGetFontFamilies(String[] family_names); |
| |
| public Font[] getAllFonts () |
| { |
| throw new java.lang.UnsupportedOperationException (); |
| } |
| |
| public String[] getAvailableFontFamilyNames () |
| { |
| String[] family_names; |
| int array_size; |
| |
| array_size = nativeGetNumFontFamilies(); |
| family_names = new String[array_size]; |
| |
| nativeGetFontFamilies(family_names); |
| return family_names; |
| } |
| |
| public String[] getAvailableFontFamilyNames (Locale l) |
| { |
| throw new java.lang.UnsupportedOperationException (); |
| } |
| |
| /** |
| * Used by GtkMouseInfoPeer. |
| */ |
| native int[] getMouseCoordinates(); |
| } |