| /* HeadlessGraphicsEnvironment.java -- A graphics environment for headless mode |
| Copyright (C) 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.headless; |
| |
| import gnu.java.awt.java2d.RasterGraphics; |
| |
| 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.Raster; |
| import java.lang.reflect.Constructor; |
| import java.lang.reflect.Method; |
| import java.util.Locale; |
| |
| public class HeadlessGraphicsEnvironment |
| extends GraphicsEnvironment |
| { |
| |
| public Graphics2D createGraphics(BufferedImage image) |
| { |
| Graphics2D g2d; |
| try |
| { |
| // Try to get a CairoGraphics (accellerated) when available. Do this |
| // via reflection to avoid having a hard compile time dependency. |
| Class cairoSurfaceCl = |
| Class.forName("gnu.java.awt.peer.gtk.CairoSurface"); |
| Raster raster = image.getRaster(); |
| if (cairoSurfaceCl.isInstance(raster)) |
| { |
| Method getGraphicsM = cairoSurfaceCl.getMethod("getGraphics", |
| new Class[0]); |
| g2d = (Graphics2D) getGraphicsM.invoke(raster, new Object[0]); |
| } |
| else |
| { |
| Class bigCl = |
| Class.forName("gnu.java.awt.peer.gtk.BufferedImageGraphics"); |
| Constructor bigC = |
| bigCl.getConstructor(new Class[]{BufferedImage.class }); |
| g2d = (Graphics2D) bigC.newInstance(new Object[]{ image}); |
| } |
| } |
| catch (Exception ex) |
| { |
| g2d = new RasterGraphics(image.getRaster(), image.getColorModel()); |
| } |
| return g2d; |
| } |
| |
| public Font[] getAllFonts() |
| { |
| // FIXME: Implement. |
| return null; |
| } |
| |
| public String[] getAvailableFontFamilyNames() |
| { |
| // FIXME: Implement. |
| return null; |
| } |
| |
| public String[] getAvailableFontFamilyNames(Locale l) |
| { |
| // FIXME: Implement. |
| return null; |
| } |
| |
| public GraphicsDevice getDefaultScreenDevice() |
| { |
| throw new HeadlessException(); |
| } |
| |
| public GraphicsDevice[] getScreenDevices() |
| { |
| throw new HeadlessException(); |
| } |
| |
| } |