libjava/classpath/ChangeLog.gcj:

[pf3gnuchains/gcc-fork.git] / libjava / classpath / gnu / java / awt / ClasspathGraphicsEnvironment.java

diff --git a/libjava/classpath/gnu/java/awt/ClasspathGraphicsEnvironment.java b/libjava/classpath/gnu/java/awt/ClasspathGraphicsEnvironment.java
new file mode 100644 (file)
index 0000000..865da1d
--- /dev/null
+++ b/libjava/classpath/gnu/java/awt/ClasspathGraphicsEnvironment.java
@@ -0,0 +1,67 @@
+/* ClasspathGraphicsEnvironment.java
+   Copyright (C) 2007 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;
+
+import java.awt.GraphicsEnvironment;
+import java.awt.image.ColorModel;
+import java.awt.image.SampleModel;
+import java.awt.image.WritableRaster;
+
+/**
+ * This class extends the GraphicsEnvironment API with some Classpath-specific
+ * methods, in order to provide optimized graphics handling.
+ * 
+ * @author Francis Kung <fkung@redhat.com>
+ */
+public abstract class ClasspathGraphicsEnvironment
+    extends GraphicsEnvironment
+{
+  /**
+   * Returns an appropriate Raster that can efficiently back a
+   * BufferedImage with the given ColorModel and SampleModel.
+   * 
+   * @param cm The color model.
+   * @param sm The samepl model.
+   * @return An appropriate WritableRaster, or null if acceleration/optimization
+   *         is not available for the given colour model / sample model.
+   */
+  public WritableRaster createRaster(ColorModel cm, SampleModel sm)
+  {
+    return null;
+  }
+}