mirror of git://gcc.gnu.org/git/gcc.git
103 lines
4.0 KiB
Java
103 lines
4.0 KiB
Java
/* ImageTranscoder.java -- Image metadata transcoder.
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Copyright (C) 2004 Free Software Foundation, Inc.
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This file is part of GNU Classpath.
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GNU Classpath is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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GNU Classpath is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GNU Classpath; see the file COPYING. If not, write to the
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Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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02110-1301 USA.
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Linking this library statically or dynamically with other modules is
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making a combined work based on this library. Thus, the terms and
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conditions of the GNU General Public License cover the whole
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combination.
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As a special exception, the copyright holders of this library give you
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permission to link this library with independent modules to produce an
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executable, regardless of the license terms of these independent
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modules, and to copy and distribute the resulting executable under
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terms of your choice, provided that you also meet, for each linked
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independent module, the terms and conditions of the license of that
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module. An independent module is a module which is not derived from
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or based on this library. If you modify this library, you may extend
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this exception to your version of the library, but you are not
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obligated to do so. If you do not wish to do so, delete this
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exception statement from your version. */
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package javax.imageio;
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import javax.imageio.metadata.IIOMetadata;
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/**
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* An ImageTranscoder translates IIOMetadata objects provided by an
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* ImageReader into corresponding IIOMetadata objects that can be
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* understood by a given ImageWriter.
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*
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* Usually an ImageWriter will implement ImageTranscoder directly in
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* which case the conversion methods will return IIOMetadata objects
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* appropriate for this ImageWriter.
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*
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* Independent transcoders are also allowed; they must have knowledge
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* of both the source IIOMetadata provided by the reader and the
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* returned IIOMetadata expected by the writer.
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*
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* @author Michael Koch (konqueror@gmx.de)
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*/
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public interface ImageTranscoder
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{
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/**
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* Converts IIOMetadata from an input reader format, returning an
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* IIOMetadata suitable for use by an image writer.
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*
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* The ImageTypeSpecifier specifies the destination image type.
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*
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* An optional ImageWriteParam argument is available in case the
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* image writing parameters affect the metadata conversion.
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*
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* @param inData the metadata coming from an image reader
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* @param imageType the output image type of the writer
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* @param param the image writing parameters or null
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*
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* @return the converted metadata that should be used by the image
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* writer, or null if this ImageTranscoder has no knowledge of the
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* input metadata
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*
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* @exception IllegalArgumentException if either inData or imageType
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* is null
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*/
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IIOMetadata convertImageMetadata(IIOMetadata inData,
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ImageTypeSpecifier imageType,
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ImageWriteParam param);
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/**
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* Converts IIOMetadata from an input stream format, returning an
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* IIOMetadata suitable for use by an image writer.
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*
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* An optional ImageWriteParam argument is available in case the
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* image writing parameters affect the metadata conversion.
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*
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* @param inData the metadata coming from an input image stream
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* @param param the image writing parameters or null
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*
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* @return the converted metadata that should be used by the image
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* writer, or null if this ImageTranscoder has no knowledge of the
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* input metadata
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*
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* @exception IllegalArgumentException if inData is null
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*/
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IIOMetadata convertStreamMetadata(IIOMetadata inData,
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ImageWriteParam param);
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}
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