replicant-frameworks_native/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 appropriate metadata object for
* ImageWriter.
*
* @since Android 1.0
*/
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);
}