String.java, [...]: Merge from GNU Classpath HEAD.

2006-06-09  Thomas Fitzsimmons  <fitzsim@redhat.com>

	* java/lang/String.java, classpath/native/jni/classpath/jcl.h,
	classpath/native/jni/qt-peer/eventmethods.h,
	classpath/native/jni/qt-peer/qtmenupeer.cpp,
	classpath/native/jni/qt-peer/.cvsignore,
	classpath/native/jni/gtk-peer/gdkdisplay.h,
	classpath/native/jni/gtk-peer/cairographics2d.h,
	classpath/native/jni/gtk-peer/gnu_java_awt_peer_gtk_CairoGraphics2D.c,
	classpath/native/jni/gtk-peer/gnu_java_awt_peer_gtk_GdkFontPeer.c,
	classpath/native/jni/gtk-peer/gnu_java_awt_peer_gtk_FreetypeGlyphVector.c,
	classpath/native/jni/gtk-peer/gnu_java_awt_peer_gtk_GdkGraphicsEnvironment.c,
	classpath/native/jni/gtk-peer/gnu_java_awt_peer_gtk_ComponentGraphicsCopy.c,
	classpath/native/jni/gtk-peer/gnu_java_awt_peer_gtk_ComponentGraphics.c,
	classpath/native/jni/gtk-peer/.cvsignore,
	classpath/native/jni/gtk-peer/gnu_java_awt_peer_gtk_GtkImage.c,
	classpath/native/jni/gtk-peer/gnu_java_awt_peer_gtk_GtkVolatileImage.c,
	classpath/native/jni/gtk-peer/gnu_java_awt_peer_gtk_GtkToolkit.c,
	classpath/native/jni/gtk-peer/gnu_java_awt_peer_gtk_GtkCanvasPeer.c,
	classpath/native/jni/gtk-peer/gtkpeer.h,
	classpath/native/jni/gtk-peer/gnu_java_awt_peer_gtk_GtkClipboard.c,
	classpath/native/jni/gtk-peer/gnu_java_awt_peer_gtk_CairoSurface.c,
	classpath/native/jni/gtk-peer/gnu_java_awt_peer_gtk_GdkScreenGraphicsDevice.c,
	classpath/native/jni/gtk-peer/gnu_java_awt_peer_gtk_GdkTextLayout.c,
	classpath/native/jni/gtk-peer/gnu_java_awt_peer_gtk_GtkFramePeer.c,
	classpath/native/jni/gtk-peer/Makefile.am,
	classpath/native/jni/gtk-peer/gnu_java_awt_peer_gtk_GtkComponentPeer.c,
	classpath/native/jawt/Makefile.am,
	classpath/native/jawt/.cvsignore,
	classpath/native/target/Linux/Makefile.in,
	classpath/native/plugin/gcjwebplugin.cc,
	classpath/native/plugin/Makefile.am,
	classpath/native/plugin/.cvsignore,
	classpath/resource/Makefile.in,
	classpath/gnu/java/awt/peer/gtk/VolatileImageGraphics.java,
	classpath/gnu/java/awt/peer/gtk/CairoGraphics2D.java,
	classpath/gnu/java/awt/peer/gtk/CairoSurface.java,
	classpath/gnu/java/awt/peer/gtk/GdkFontPeer.java,
	classpath/gnu/java/awt/peer/gtk/GdkPixbufDecoder.java,
	classpath/gnu/java/awt/peer/gtk/FreetypeGlyphVector.java,
	classpath/gnu/java/awt/peer/gtk/GdkGraphicsEnvironment.java,
	classpath/gnu/java/awt/peer/gtk/GdkGraphics2D.java,
	classpath/gnu/java/awt/peer/gtk/ComponentGraphicsCopy.java,
	classpath/gnu/java/awt/peer/gtk/GtkComponentPeer.java,
	classpath/gnu/java/awt/peer/gtk/GdkGraphics.java,
	classpath/gnu/java/awt/peer/gtk/GtkToolkit.java,
	classpath/gnu/java/awt/peer/gtk/GdkScreenGraphicsDevice.java,
	classpath/gnu/java/awt/peer/gtk/BufferedImageGraphics.java,
	classpath/gnu/java/awt/peer/gtk/GdkTextLayout.java,
	classpath/gnu/java/awt/peer/gtk/GdkGraphicsConfiguration.java,
	classpath/gnu/java/awt/peer/gtk/ComponentGraphics.java,
	classpath/gnu/java/awt/peer/gtk/CairoSurfaceGraphics.java,
	classpath/gnu/java/awt/peer/gtk/GtkImage.java,
	classpath/gnu/java/awt/peer/gtk/GtkVolatileImage.java,
	classpath/gnu/java/awt/peer/gtk/GdkGlyphVector.java,
	classpath/gnu/java/awt/peer/gtk/GtkCanvasPeer.java,
	classpath/gnu/java/awt/peer/swing/SwingContainerPeer.java,
	classpath/gnu/java/awt/peer/swing/SwingComponent.java,
	classpath/gnu/java/awt/peer/swing/SwingTextFieldPeer.java,
	classpath/gnu/java/awt/peer/swing/SwingMenuBarPeer.java,
	classpath/gnu/java/awt/peer/swing/SwingFramePeer.java,
	classpath/gnu/java/awt/peer/swing/SwingComponentPeer.java,
	classpath/gnu/java/awt/peer/swing/SwingWindowPeer.java,
	classpath/gnu/java/awt/print/JavaPrinterJob.java,
	classpath/gnu/java/awt/print/PostScriptGraphics2D.java,
	classpath/gnu/java/awt/print/SpooledDocument.java,
	classpath/gnu/java/awt/print/JavaPrinterGraphics.java,
	classpath/gnu/java/awt/BitwiseXORComposite.java,
	classpath/gnu/java/awt/font/GNUGlyphVector.java,
	classpath/gnu/java/awt/font/opentype/NameDecoder.java,
	classpath/gnu/java/awt/java2d/RasterGraphics.java,
	classpath/gnu/java/awt/java2d/TexturePaintContext.java,
	classpath/gnu/java/awt/java2d/PolyEdge.java,
	classpath/gnu/java/awt/java2d/AbstractGraphics2D.java,
	classpath/gnu/java/awt/java2d/AlphaCompositeContext.java,
	classpath/gnu/java/awt/java2d/ImagePaint.java,
	classpath/gnu/java/awt/Buffers.java,
	classpath/gnu/classpath/Configuration.java.in,
	classpath/gnu/javax/swing/text/html/CombinedAttributes.java,
	classpath/gnu/javax/swing/text/html/CharacterAttributeTranslator.java,
	classpath/gnu/javax/swing/text/html/parser/htmlAttributeSet.java,
	classpath/gnu/javax/swing/text/html/parser/SmallHtmlAttributeSet.java,
	classpath/gnu/javax/swing/text/html/ImageViewIconFactory.java,
	classpath/tools/toolwrapper.c,
	classpath/tools/gnu/classpath/tools/native2ascii/Native2ASCII.java,
	classpath/tools/gnu/classpath/tools/native2ascii/Messages.java,
	classpath/tools/gnu/classpath/tools/getopt/FileArgumentCallback.java,
	classpath/tools/gnu/classpath/tools/getopt/OptionGroup.java,
	classpath/tools/gnu/classpath/tools/getopt/OptionException.java,
	classpath/tools/gnu/classpath/tools/getopt/Messages.java,
	classpath/tools/gnu/classpath/tools/getopt/Option.java,
	classpath/tools/gnu/classpath/tools/getopt/Parser.java,
	classpath/tools/gnu/classpath/tools/getopt/ClasspathToolParser.java,
	classpath/tools/gnu/classpath/tools/jarsigner/JarSigner.java,
	classpath/tools/gnu/classpath/tools/jarsigner/Main.java,
	classpath/tools/gnu/classpath/tools/jarsigner/Messages.java,
	classpath/tools/gnu/classpath/tools/jarsigner/package.html,
	classpath/tools/gnu/classpath/tools/keytool/ListCmd.java,
	classpath/tools/gnu/classpath/tools/keytool/StorePasswdCmd.java,
	classpath/tools/gnu/classpath/tools/keytool/ExportCmd.java,
	classpath/tools/gnu/classpath/tools/keytool/GenKeyCmd.java,
	classpath/tools/gnu/classpath/tools/keytool/Messages.java,
	classpath/tools/gnu/classpath/tools/keytool/package.html,
	classpath/tools/gnu/classpath/tools/keytool/Command.java,
	classpath/tools/gnu/classpath/tools/keytool/IdentityDBCmd.java,
	classpath/tools/gnu/classpath/tools/keytool/Main.java,
	classpath/tools/gnu/classpath/tools/keytool/DeleteCmd.java,
	classpath/tools/gnu/classpath/tools/keytool/CertReqCmd.java,
	classpath/tools/gnu/classpath/tools/keytool/SelfCertCmd.java,
	classpath/tools/gnu/classpath/tools/keytool/KeyCloneCmd.java,
	classpath/tools/gnu/classpath/tools/keytool/KeyPasswdCmd.java,
	classpath/tools/gnu/classpath/tools/keytool/ImportCmd.java,
	classpath/tools/gnu/classpath/tools/keytool/PrintCertCmd.java,
	classpath/tools/gnu/classpath/tools/rmi/registry/package.html,
	classpath/tools/gnu/classpath/tools/rmi/RMIC.txt,
	classpath/tools/gnu/classpath/tools/rmi/RMIC.java,
	classpath/tools/gnu/classpath/tools/appletviewer/ErrorApplet.java,
	classpath/tools/gnu/classpath/tools/appletviewer/AppletClassLoader.java,
	classpath/tools/gnu/classpath/tools/appletviewer/CommonAppletContext.java,
	classpath/tools/gnu/classpath/tools/appletviewer/StandaloneAppletContext.java,
	classpath/tools/gnu/classpath/tools/appletviewer/AppletSecurityManager.java,
	classpath/tools/gnu/classpath/tools/appletviewer/PluginAppletContext.java,
	classpath/tools/gnu/classpath/tools/appletviewer/AppletWarning.java,
	classpath/tools/gnu/classpath/tools/appletviewer/StandaloneAppletViewer.java,
	classpath/tools/gnu/classpath/tools/appletviewer/AppletTag.java,
	classpath/tools/gnu/classpath/tools/appletviewer/ConsoleDialog.java,
	classpath/tools/gnu/classpath/tools/appletviewer/Main.java,
	classpath/tools/gnu/classpath/tools/appletviewer/StandaloneAppletWindow.java,
	classpath/tools/gnu/classpath/tools/appletviewer/PluginAppletViewer.java,
	classpath/tools/gnu/classpath/tools/appletviewer/TagParser.java,
	classpath/tools/gnu/classpath/tools/appletviewer/PluginAppletWindow.java,
	classpath/tools/gnu/classpath/tools/appletviewer/CommonAppletStub.java,
	classpath/tools/gnu/classpath/tools/serialver/Messages.java,
	classpath/tools/gnu/classpath/tools/serialver/SerialVer.java,
	classpath/tools/gnu/classpath/tools/jar/Creator.java,
	classpath/tools/gnu/classpath/tools/jar/Entry.java,
	classpath/tools/gnu/classpath/tools/jar/Lister.java,
	classpath/tools/gnu/classpath/tools/jar/Main.java,
	classpath/tools/gnu/classpath/tools/jar/Updater.java,
	classpath/tools/gnu/classpath/tools/jar/Messages.java,
	classpath/tools/gnu/classpath/tools/jar/Extractor.java,
	classpath/tools/gnu/classpath/tools/jar/Action.java,
	classpath/tools/gnu/classpath/tools/jar/Indexer.java,
	classpath/tools/gnu/classpath/tools/jar/WorkSet.java,
	classpath/tools/gnu/classpath/tools/giop/GRMIC.txt,
	classpath/tools/gnu/classpath/tools/giop/grmic/GiopRmicCompiler.java,
	classpath/tools/gnu/classpath/tools/giop/GRMIC.java,
	classpath/tools/Makefile.am, classpath/tools/jarsigner.in,
	classpath/tools/keytool.in, classpath/tools/appletviewer.in,
	classpath/tools/.cvsignore, classpath/configure.ac,
	classpath/javax/swing/JTabbedPane.java,
	classpath/javax/swing/AbstractButton.java,
	classpath/javax/swing/JViewport.java,
	classpath/javax/swing/KeyboardManager.java,
	classpath/javax/swing/JMenuItem.java,
	classpath/javax/swing/JMenuBar.java,
	classpath/javax/swing/MenuSelectionManager.java,
	classpath/javax/swing/JOptionPane.java,
	classpath/javax/swing/JSpinner.java,
	classpath/javax/swing/JCheckBoxMenuItem.java,
	classpath/javax/swing/JEditorPane.java,
	classpath/javax/swing/JFormattedTextField.java,
	classpath/javax/swing/JTree.java,
	classpath/javax/swing/CellRendererPane.java,
	classpath/javax/swing/JScrollPane.java,
	classpath/javax/swing/tree/VariableHeightLayoutCache.java,
	classpath/javax/swing/tree/TreeNode.java,
	classpath/javax/swing/tree/FixedHeightLayoutCache.java,
	classpath/javax/swing/tree/DefaultTreeCellEditor.java,
	classpath/javax/swing/tree/TreePath.java,
	classpath/javax/swing/tree/RowMapper.java,
	classpath/javax/swing/tree/DefaultMutableTreeNode.java,
	classpath/javax/swing/tree/DefaultTreeModel.java,
	classpath/javax/swing/tree/AbstractLayoutCache.java,
	classpath/javax/swing/tree/TreeSelectionModel.java,
	classpath/javax/swing/tree/DefaultTreeSelectionModel.java,
	classpath/javax/swing/tree/DefaultTreeCellRenderer.java,
	classpath/javax/swing/tree/ExpandVetoException.java,
	classpath/javax/swing/JList.java,
	classpath/javax/swing/table/JTableHeader.java,
	classpath/javax/swing/table/AbstractTableModel.java,
	classpath/javax/swing/table/DefaultTableModel.java,
	classpath/javax/swing/table/TableCellEditor.java,
	classpath/javax/swing/table/TableCellRenderer.java,
	classpath/javax/swing/ProgressMonitor.java,
	classpath/javax/swing/JToolBar.java,
	classpath/javax/swing/TransferHandler.java,
	classpath/javax/swing/DefaultCellEditor.java,
	classpath/javax/swing/DefaultButtonModel.java,
	classpath/javax/swing/JLayeredPane.java,
	classpath/javax/swing/text/DefaultEditorKit.java,
	classpath/javax/swing/text/DefaultCaret.java,
	classpath/javax/swing/text/FieldView.java,
	classpath/javax/swing/text/JTextComponent.java,
	classpath/javax/swing/text/TextAction.java,
	classpath/javax/swing/text/StyleContext.java,
	classpath/javax/swing/text/html/HTMLDocument.java,
	classpath/javax/swing/text/html/MinimalHTMLWriter.java,
	classpath/javax/swing/text/html/ImageView.java,
	classpath/javax/swing/text/html/HTMLEditorKit.java,
	classpath/javax/swing/text/AbstractWriter.java,
	classpath/javax/swing/text/GapContent.java,
	classpath/javax/swing/text/Utilities.java,
	classpath/javax/swing/text/PlainView.java,
	classpath/javax/swing/UIManager.java,
	classpath/javax/swing/JSplitPane.java,
	classpath/javax/swing/JComponent.java,
	classpath/javax/swing/SwingUtilities.java,
	classpath/javax/swing/border/AbstractBorder.java,
	classpath/javax/swing/border/CompoundBorder.java,
	classpath/javax/swing/border/TitledBorder.java,
	classpath/javax/swing/border/MatteBorder.java,
	classpath/javax/swing/border/BevelBorder.java,
	classpath/javax/swing/RepaintManager.java,
	classpath/javax/swing/JTable.java,
	classpath/javax/swing/UIDefaults.java,
	classpath/javax/swing/DefaultDesktopManager.java,
	classpath/javax/swing/JMenu.java,
	classpath/javax/swing/JLabel.java,
	classpath/javax/swing/JSlider.java,
	classpath/javax/swing/plaf/basic/BasicToolBarUI.java,
	classpath/javax/swing/plaf/basic/BasicButtonUI.java,
	classpath/javax/swing/plaf/basic/BasicOptionPaneUI.java,
	classpath/javax/swing/plaf/basic/BasicTextAreaUI.java,
	classpath/javax/swing/plaf/basic/BasicToggleButtonUI.java,
	classpath/javax/swing/plaf/basic/BasicSpinnerUI.java,
	classpath/javax/swing/plaf/basic/BasicSliderUI.java,
	classpath/javax/swing/plaf/basic/BasicTabbedPaneUI.java,
	classpath/javax/swing/plaf/basic/BasicComboPopup.java,
	classpath/javax/swing/plaf/basic/BasicCheckBoxUI.java,
	classpath/javax/swing/plaf/basic/BasicInternalFrameUI.java,
	classpath/javax/swing/plaf/basic/BasicProgressBarUI.java,
	classpath/javax/swing/plaf/basic/BasicRadioButtonUI.java,
	classpath/javax/swing/plaf/basic/BasicPanelUI.java,
	classpath/javax/swing/plaf/basic/BasicSplitPaneUI.java,
	classpath/javax/swing/plaf/basic/BasicTreeUI.java,
	classpath/javax/swing/plaf/basic/BasicTableHeaderUI.java,
	classpath/javax/swing/plaf/basic/BasicFileChooserUI.java,
	classpath/javax/swing/plaf/basic/BasicScrollPaneUI.java,
	classpath/javax/swing/plaf/basic/BasicComboBoxUI.java,
	classpath/javax/swing/plaf/basic/BasicListUI.java,
	classpath/javax/swing/plaf/basic/BasicIconFactory.java,
	classpath/javax/swing/plaf/basic/BasicTextUI.java,
	classpath/javax/swing/plaf/basic/BasicLookAndFeel.java,
	classpath/javax/swing/plaf/basic/BasicDirectoryModel.java,
	classpath/javax/swing/plaf/basic/BasicRootPaneUI.java,
	classpath/javax/swing/plaf/basic/BasicTableUI.java,
	classpath/javax/swing/plaf/basic/SharedUIDefaults.java,
	classpath/javax/swing/plaf/multi/MultiComboBoxUI.java,
	classpath/javax/swing/plaf/multi/MultiListUI.java,
	classpath/javax/swing/plaf/multi/MultiSplitPaneUI.java,
	classpath/javax/swing/plaf/multi/MultiFileChooserUI.java,
	classpath/javax/swing/plaf/multi/MultiOptionPaneUI.java,
	classpath/javax/swing/plaf/multi/MultiTabbedPaneUI.java,
	classpath/javax/swing/plaf/multi/MultiLookAndFeel.java,
	classpath/javax/swing/plaf/metal/MetalSliderUI.java,
	classpath/javax/swing/plaf/metal/MetalIconFactory.java,
	classpath/javax/swing/plaf/metal/MetalComboBoxIcon.java,
	classpath/javax/swing/plaf/metal/MetalTabbedPaneUI.java,
	classpath/javax/swing/plaf/metal/MetalLookAndFeel.java,
	classpath/javax/swing/plaf/metal/MetalCheckBoxUI.java,
	classpath/javax/swing/plaf/metal/MetalSeparatorUI.java,
	classpath/javax/swing/plaf/metal/MetalBorders.java,
	classpath/javax/swing/plaf/metal/MetalSplitPaneDivider.java,
	classpath/javax/swing/plaf/metal/MetalScrollBarUI.java,
	classpath/javax/swing/plaf/metal/MetalRootPaneUI.java,
	classpath/javax/swing/plaf/metal/MetalInternalFrameUI.java,
	classpath/javax/swing/plaf/metal/MetalRadioButtonUI.java,
	classpath/javax/swing/plaf/metal/MetalToolTipUI.java,
	classpath/javax/swing/plaf/metal/MetalInternalFrameTitlePane.java,
	classpath/javax/swing/plaf/metal/MetalFileChooserUI.java,
	classpath/javax/swing/plaf/metal/MetalUtils.java,
	classpath/javax/swing/plaf/metal/MetalComboBoxButton.java,
	classpath/javax/swing/plaf/metal/MetalPopupMenuSeparatorUI.java,
	classpath/javax/swing/plaf/metal/MetalButtonUI.java,
	classpath/javax/swing/JPopupMenu.java,
	classpath/javax/swing/JProgressBar.java,
	classpath/javax/swing/WindowConstants.java,
	classpath/javax/swing/JFrame.java,
	classpath/javax/swing/JFileChooser.java,
	classpath/javax/swing/JComboBox.java,
	classpath/javax/swing/event/EventListenerList.java,
	classpath/javax/swing/ListSelectionModel.java,
	classpath/javax/swing/JScrollBar.java,
	classpath/java/text/SimpleDateFormat.java,
	classpath/java/text/NumberFormat.java,
	classpath/java/text/class-dependencies.conf,
	classpath/java/awt/image/ColorModel.java,
	classpath/java/awt/image/BufferedImage.java,
	classpath/java/awt/Window.java,
	classpath/java/awt/ContainerOrderFocusTraversalPolicy.java,
	classpath/java/awt/LightweightDispatcher.java,
	classpath/java/awt/EventDispatchThread.java,
	classpath/java/awt/BasicStroke.java,
	classpath/java/awt/ColorPaintContext.java,
	classpath/java/awt/Container.java,
	classpath/java/awt/TexturePaint.java,
	classpath/java/awt/Component.java, classpath/java/awt/Font.java,
	classpath/java/awt/GraphicsConfiguration.java,
	classpath/java/awt/DefaultKeyboardFocusManager.java,
	classpath/java/awt/print/PrinterJob.java,
	classpath/java/awt/im/InputContext.java,
	classpath/java/awt/dnd/DragGestureRecognizer.java,
	classpath/java/awt/Toolkit.java,
	classpath/java/awt/font/GraphicAttribute.java,
	classpath/java/awt/font/ImageGraphicAttribute.java,
	classpath/java/awt/font/GlyphVector.java,
	classpath/java/awt/font/GlyphMetrics.java,
	classpath/java/awt/font/ShapeGraphicAttribute.java,
	classpath/java/awt/Graphics2D.java,
	classpath/include/gnu_java_awt_peer_gtk_GdkGraphicsEnvironment.h,
	classpath/include/gnu_java_awt_peer_gtk_ComponentGraphics.h,
	classpath/include/gnu_java_awt_peer_gtk_CairoGraphics2D.h,
	classpath/include/gnu_java_awt_peer_gtk_FreetypeGlyphVector.h,
	classpath/include/gnu_java_awt_peer_gtk_GtkCanvasPeer.h,
	classpath/include/config.h.in,
	classpath/include/gnu_java_awt_peer_gtk_GdkTextLayout.h,
	classpath/include/gnu_java_awt_peer_gtk_GtkComponentPeer.h,
	classpath/include/gnu_java_awt_peer_gtk_GdkFontPeer.h,
	classpath/include/gnu_java_awt_peer_gtk_ComponentGraphicsCopy.h,
	classpath/include/gnu_java_awt_peer_gtk_GtkVolatileImage.h,
	classpath/include/gnu_java_awt_peer_gtk_GtkImage.h,
	classpath/include/gnu_java_awt_peer_gtk_CairoSurface.h,
	classpath/include/gnu_java_awt_peer_gtk_GdkScreenGraphicsDevice.h:
	Merge from GNU Classpath HEAD.

From-SVN: r114510

1 files changed, 258 insertions, 0 deletions

diff --git a/libjava/classpath/gnu/java/awt/peer/gtk/BufferedImageGraphics.java b/libjava/classpath/gnu/java/awt/peer/gtk/BufferedImageGraphics.java
new file mode 100644
index 00000000000..d9d300d9103
--- /dev/null
+++ b/libjava/classpath/gnu/java/awt/peer/gtk/BufferedImageGraphics.java
@@ -0,0 +1,258 @@
+/* BufferedImageGraphics.java
+   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.gtk;
+
+import java.awt.Color;
+import java.awt.Graphics;
+import java.awt.Graphics2D;
+import java.awt.GraphicsConfiguration;
+import java.awt.Image;
+import java.awt.Point;
+import java.awt.Rectangle;
+import java.awt.Shape;
+import java.awt.font.GlyphVector;
+import java.awt.geom.AffineTransform;
+import java.awt.geom.Rectangle2D;
+import java.awt.image.BufferedImage;
+import java.awt.image.DataBuffer;
+import java.awt.image.DataBufferInt;
+import java.awt.image.ColorModel;
+import java.awt.image.DirectColorModel;
+import java.awt.image.RenderedImage;
+import java.awt.image.ImageObserver;
+import java.util.WeakHashMap;
+
+/**
+ * Implementation of Graphics2D on a Cairo surface.
+ *
+ * Simutanously maintains a CairoSurface and updates the 
+ * BufferedImage from that after each drawing operation.
+ */
+public class BufferedImageGraphics extends CairoGraphics2D
+{
+  /**
+   * the buffered Image.
+   */
+  private BufferedImage image;
+
+  /**
+   * Image size.
+   */
+  private int imageWidth, imageHeight;
+
+  /**
+   * The cairo surface that we actually draw on.
+   */
+  CairoSurface surface;
+
+  /**
+   * Cache BufferedImageGraphics surfaces.
+   */
+  static WeakHashMap bufferedImages = new WeakHashMap();
+
+  /**
+   * Its corresponding cairo_t.
+   */
+  private long cairo_t;
+
+  /**
+   * Colormodels we recognize for fast copying.
+   */  
+  static ColorModel rgb32 = new DirectColorModel(32, 0xFF0000, 0xFF00, 0xFF);
+  static ColorModel argb32 = new DirectColorModel(32, 0xFF0000, 0xFF00, 0xFF,
+						  0xFF000000);
+  private boolean hasFastCM;
+  private boolean hasAlpha;
+
+
+  public BufferedImageGraphics(BufferedImage bi)
+  {
+    this.image = bi;
+    imageWidth = bi.getWidth();
+    imageHeight = bi.getHeight();
+    if(bi.getColorModel().equals(rgb32))
+      {
+	hasFastCM = true;
+	hasAlpha = false;
+      }
+    else if(bi.getColorModel().equals(argb32))
+      {
+	hasFastCM = true;
+	hasAlpha = false;
+      }
+    else
+      hasFastCM = false;
+
+    // Cache surfaces.
+    if( bufferedImages.get( bi ) != null )
+      surface = (CairoSurface)bufferedImages.get( bi );
+    else
+      {
+	surface = new CairoSurface( imageWidth, imageHeight );
+	bufferedImages.put(bi, surface);
+      }
+
+    cairo_t = surface.newCairoContext();
+
+    DataBuffer db = bi.getRaster().getDataBuffer();
+    int[] pixels;
+    // get pixels
+
+    if(db instanceof CairoSurface)
+      pixels = ((CairoSurface)db).getPixels(imageWidth * imageHeight);
+    else
+      {
+	if( hasFastCM )
+	  {
+	    pixels = ((DataBufferInt)db).getData();
+	    if( !hasAlpha )
+	      for(int i = 0; i < pixels.length; i++)
+		pixels[i] &= 0xFFFFFFFF;
+	  }
+	else
+	  {
+	    pixels = CairoGraphics2D.findSimpleIntegerArray
+	      (image.getColorModel(),image.getData());
+	  }
+      }
+    surface.setPixels( pixels );
+
+    setup( cairo_t );
+    setClip(0, 0, imageWidth, imageHeight);
+  }
+  
+  BufferedImageGraphics(BufferedImageGraphics copyFrom)
+  {
+    surface = copyFrom.surface;
+    cairo_t = surface.newCairoContext();
+    imageWidth = copyFrom.imageWidth;
+    imageHeight = copyFrom.imageHeight;
+    copy( copyFrom, cairo_t );
+    setClip(0, 0, surface.width, surface.height);
+  }
+
+  /**
+   * Update a rectangle of the bufferedImage. This can be improved upon a lot.
+   */
+  private void updateBufferedImage(int x, int y, int width, int height)
+  {  
+    int[] pixels = surface.getPixels(imageWidth * imageHeight);
+
+    if( x > imageWidth || y > imageHeight )
+      return;
+    // Clip edges.
+    if( x < 0 ){ width = width + x; x = 0; }
+    if( y < 0 ){ height = height + y; y = 0; }
+    if( x + width > imageWidth ) 
+      width = imageWidth - x;
+    if( y + height > imageHeight ) 
+      height = imageHeight - y;
+
+    if( !hasFastCM )
+      image.setRGB(x, y, width, height, pixels, 
+		   x + y * imageWidth, imageWidth);
+    else
+      System.arraycopy(pixels, y * imageWidth, 
+		       ((DataBufferInt)image.getRaster().getDataBuffer()).
+		       getData(), y * imageWidth, height * imageWidth);
+  }
+
+  /**
+   * Abstract methods.
+   */  
+  public Graphics create()
+  {
+    return new BufferedImageGraphics(this);
+  }
+  
+  public GraphicsConfiguration getDeviceConfiguration()
+  {
+    return null;
+  }
+
+  protected Rectangle2D getRealBounds()
+  {
+    return new Rectangle2D.Double(0.0, 0.0, imageWidth, imageHeight);
+  }
+  
+  public void copyAreaImpl(int x, int y, int width, int height, int dx, int dy)
+  {
+    surface.copyAreaNative(x, y, width, height, dx, dy, surface.width);
+    updateBufferedImage(x + dx, y + dy, width, height);
+  }
+
+  /**
+   * Overloaded methods that do actual drawing need to enter the gdk threads 
+   * and also do certain things before and after.
+   */
+  public void draw(Shape s)
+  {
+    super.draw(s);
+    Rectangle r = s.getBounds();
+    updateBufferedImage(r.x, r.y, r.width, r.height);
+  }
+
+  public void fill(Shape s)
+  {
+    super.fill(s);
+    Rectangle r = s.getBounds();
+    updateBufferedImage(r.x, r.y, r.width, r.height);
+  }
+
+  public void drawRenderedImage(RenderedImage image, AffineTransform xform)
+  {
+    super.drawRenderedImage(image, xform);
+    updateBufferedImage(0, 0, imageWidth, imageHeight);
+  }
+
+  protected boolean drawImage(Image img, AffineTransform xform,
+			      Color bgcolor, ImageObserver obs)
+  {
+    boolean rv = super.drawImage(img, xform, bgcolor, obs);
+    updateBufferedImage(0, 0, imageWidth, imageHeight);
+    return rv;
+  }
+
+  public void drawGlyphVector(GlyphVector gv, float x, float y)
+  {
+    super.drawGlyphVector(gv, x, y);
+    updateBufferedImage(0, 0, imageWidth, imageHeight);
+  }
+}
+