javax.imageio
Interface ImageTranscoder
- ImageWriter
An ImageTranscoder translates IIOMetadata objects provided by an
ImageReader into corresponding IIOMetadata objects that can be
understood by a given ImageWriter.
Usually an ImageWriter will implement ImageTranscoder directly in
which case the conversion methods will return IIOMetadata objects
appropriate for this ImageWriter.
Independent transcoders are also allowed; they must have knowledge
of both the source IIOMetadata provided by the reader and the
returned IIOMetadata expected by the writer.
convertImageMetadata
public IIOMetadata convertImageMetadata(IIOMetadata inData,
ImageTypeSpecifier imageType,
ImageWriteParam param) Converts IIOMetadata from an input reader format, returning an
IIOMetadata suitable for use by an image writer.
The ImageTypeSpecifier specifies the destination image type.
An optional ImageWriteParam argument is available in case the
image writing parameters affect the metadata conversion.
inData - the metadata coming from an image readerimageType - the output image type of the writerparam - the image writing parameters or null
- the converted metadata that should be used by the image
writer, or null if this ImageTranscoder has no knowledge of the
input metadata
convertStreamMetadata
public IIOMetadata convertStreamMetadata(IIOMetadata inData,
ImageWriteParam param) Converts IIOMetadata from an input stream format, returning an
IIOMetadata suitable for use by an image writer.
An optional ImageWriteParam argument is available in case the
image writing parameters affect the metadata conversion.
inData - the metadata coming from an input image streamparam - the image writing parameters or null
- the converted metadata that should be used by the image
writer, or null if this ImageTranscoder has no knowledge of the
input metadata
ImageTranscoder.java -- Image metadata transcoder.
Copyright (C) 2004 Free Software Foundation, Inc.
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