Initial Contribution
diff --git a/awt/javax/imageio/ImageTranscoder.java b/awt/javax/imageio/ImageTranscoder.java
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+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+/**
+ * @author Rustem V. Rafikov
+ * @version $Revision: 1.3 $
+ */
+package javax.imageio;
+
+import javax.imageio.metadata.IIOMetadata;
+import javax.imageio.ImageTypeSpecifier;
+
+/**
+ * The ImageTranscoder interface is to be implemented by classes that
+ * perform image transcoding operations, that is, take images written
+ * in one format and write them in another format using
+ * read/write operations. Some image data can be lost in such processes.
+ * The ImageTranscoder interface converts metadata objects (IIOMetadata)
+ * of ImageReader to apropriate metadata object for ImageWriter.
+ */
+public interface ImageTranscoder {
+
+ /**
+ * Converts the specified IIOMetadata object using the specified
+ * ImageWriteParam for obtaining writer's metadata structure.
+ *
+ * @param inData the IIOMetadata.
+ * @param param the ImageWriteParam.
+ *
+ * @return the IIOMetadata, or null.
+ */
+ IIOMetadata convertStreamMetadata(IIOMetadata inData, ImageWriteParam param);
+
+ /**
+ * Converts the specified IIOMetadata object using the specified
+ * ImageWriteParam for obtaining writer's metadata structure
+ * and ImageTypeSpecifier object for obtaining the layout and
+ * color information of the image for this metadata.
+ *
+ * @param inData the IIOMetadata.
+ * @param imageType the ImageTypeSpecifier.
+ * @param param the ImageWriteParam.
+ *
+ * @return the IIOMetadata, or null.
+ */
+ IIOMetadata convertImageMetadata(IIOMetadata inData, ImageTypeSpecifier imageType, ImageWriteParam param);
+}