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diff --git a/libjava/classpath/javax/imageio/stream/ImageOutputStream.java b/libjava/classpath/javax/imageio/stream/ImageOutputStream.java
new file mode 100644
index 00000000000..49a1bcf33be
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+++ b/libjava/classpath/javax/imageio/stream/ImageOutputStream.java
@@ -0,0 +1,269 @@
+/* ImageOutputStream.java
+   Copyright (C) 2004, 2005  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 javax.imageio.stream;
+
+import java.io.DataOutput;
+import java.io.IOException;
+
+
+/**
+ * An output stream for use by {@link javax.imageio.ImageWriter
+ * ImageWriters}.
+ *
+ * @since 1.4
+ *
+ * @author Sascha Brawer (brawer@dandelis.ch)
+ */
+public interface ImageOutputStream
+  extends ImageInputStream, DataOutput
+{
+  /**
+   * @param postion
+   *
+   * @throws IOException if an errror occurs
+   */
+  void flushBefore(long position) throws IOException;
+
+  /**
+   * Writes an array into the stream.
+   *
+   * @param data the data to be written
+   *
+   * @throws IOException if an errror occurs
+   */
+  void write(byte[] data) throws IOException;
+
+  /**
+   * Writes a region of data from an array into the stream.
+   *
+   * @param data the data to be written
+   * @param offset the offset in the array
+   * @param len the length in the array
+   *
+   * @throws IOException if an errror occurs
+   */
+  void write(byte[] data, int offset, int len) throws IOException;
+
+  /**
+   * Writes an <code>int</code> into the stream.
+   *
+   * @param data the data to be written
+   *
+   * @throws IOException if an errror occurs
+   */
+  void write(int data) throws IOException;
+
+  /**
+   * Writes a bit value to the stream.
+   *
+   * @throws IOException if an error occurs
+   */
+  void writeBit(int bit) throws IOException;
+
+  /**
+   * Writes a number of bit values to the stream.
+   *
+   * @throws IOException if an errror occurs
+   */
+  void writeBits(long bits, int numBits) throws IOException;
+
+  /**
+   * Writes a <code>boolean</code> value into the stream.
+   *
+   * @param data the data to be written
+   *
+   * @throws IOException if an errror occurs
+   */
+  void writeBoolean(boolean data) throws IOException;
+
+  /**
+   * Writes a <code>byte</code> value into the stream.
+   *
+   * @param data the data to be written
+   *
+   * @throws IOException if an errror occurs
+   */
+  void writeByte(int data) throws IOException;
+
+  /**
+   * @param data the data to be written
+   *
+   * @throws IOException if an errror occurs
+   */
+  void writeBytes(String data) throws IOException;
+
+  /**
+   * Writes a character into the stream.
+   *
+   * @param data the data to be written
+   *
+   * @throws IOException if an errror occurs
+   */
+  void writeChar(int data) throws IOException;
+
+  /**
+   * Writes characters to the stream.
+   *
+   * @param data the data to be written
+   * @param offset the offset in the array
+   * @param len the lenth in the array
+   *
+   * @throws IOException if an errror occurs
+   */
+  void writeChars(char[] data, int offset, int len) throws IOException;
+
+  /**
+   * Writes characters from a given <code>String</code> into the stream.
+   *
+   * @param data the data to be written
+   *
+   * @throws IOException if an errror occurs
+   */
+  void writeChars(String data) throws IOException;
+
+  /**
+   * Writes a <code>double</code> into the stream.
+   *
+   * @param data the data to be written
+   *
+   * @throws IOException if an errror occurs
+   */
+  void writeDouble(double data) throws IOException;
+
+  /**
+   * Writes an array of <code>double</code> into the stream.
+   *
+   * @param data the data to be written
+   * @param offset the offset in the array
+   * @param len the lenth in the array
+   *
+   * @throws IOException if an errror occurs
+   */
+  void writeDoubles(double[] data, int offset, int len)
+    throws IOException;
+
+  /**
+   * Writes a <code>float</code> into the stream.
+   *
+   * @param data the data to be written
+   *
+   * @throws IOException if an errror occurs
+   */
+  void writeFloat(float data) throws IOException;
+
+  /**
+   * Writes an array of <code>float</code> into the stream.
+   *
+   * @param data the data to be written
+   * @param offset the offset in the array
+   * @param len the lenth in the array
+   *
+   * @throws IOException if an errror occurs
+   */
+  void writeFloats(float[] data, int offset, int len) throws IOException;
+
+  /**
+   * Writes a <code>int</code> into the stream.
+   *
+   * @param data the data to be written
+   *
+   * @throws IOException if an errror occurs
+   */
+  void writeInt(int data) throws IOException;
+
+  /**
+   * Writes an array of <code>int</code> into the stream.
+   *
+   * @param data the data to be written
+   * @param offset the offset in the array
+   * @param len the lenth in the array
+   *
+   * @throws IOException if an errror occurs
+   */
+  void writeInts(int[] data, int offset, int len) throws IOException;
+
+  /**
+   * Writes a <code>long</code> into the stream.
+   *
+   * @param data the data to be written
+   *
+   * @throws IOException if an errror occurs
+   */
+  void writeLong(long data) throws IOException;
+
+  /**
+   * Writes an array of <code>long</code> into the stream.
+   *
+   * @param data the data to be written
+   * @param offset the offset in the array
+   * @param len the lenth in the array
+   *
+   * @throws IOException if an errror occurs
+   */
+  void writeLongs(long[] data, int offset, int len) throws IOException;
+
+  /**
+   * Writes a <code>short</code> into the stream.
+   *
+   * @param data the data to be written
+   *
+   * @throws IOException if an errror occurs
+   */
+  void writeShort(int data) throws IOException;
+
+  /**
+   * Writes an array of <code>short</code> into the stream.
+   *
+   * @param data the data to be written
+   * @param offset the offset in the array
+   * @param len the lenth in the array
+   *
+   * @throws IOException if an errror occurs
+   */
+  void writeShorts(short[] data, int offset, int len) throws IOException;
+
+  /**
+   * Writes a <code>String</code> into the stream.
+   *
+   * @param data the data to be written
+   *
+   * @throws IOException if an errror occurs
+   */
+  void writeUTF(String data) throws IOException;
+}