Class TIFFLZWCompressor
java.lang.Object
com.github.jaiimageio.plugins.tiff.TIFFCompressor
com.github.jaiimageio.impl.plugins.tiff.TIFFLZWCompressor
LZW Compressor.
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Field Summary
FieldsFields inherited from class com.github.jaiimageio.plugins.tiff.TIFFCompressor
compressionTagValue, compressionType, isCompressionLossless, metadata, stream, writer
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Constructor Summary
Constructors -
Method Summary
Modifier and TypeMethodDescriptionint
encode
(byte[] b, int off, int width, int height, int[] bitsPerSample, int scanlineStride) Encodes the supplied image data, writing to the currently setImageOutputStream
.void
setStream
(ImageOutputStream stream) Sets theImageOutputStream
to be written.Methods inherited from class com.github.jaiimageio.plugins.tiff.TIFFCompressor
dispose, getCompressionTagValue, getCompressionType, getMetadata, getStream, getWriter, isCompressionLossless, setMetadata, setWriter
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Field Details
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predictor
int predictor
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Constructor Details
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TIFFLZWCompressor
public TIFFLZWCompressor(int predictorValue)
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Method Details
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setStream
Description copied from class:TIFFCompressor
Sets theImageOutputStream
to be written.- Overrides:
setStream
in classTIFFCompressor
- Parameters:
stream
- anImageOutputStream
to be written.- See Also:
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encode
public int encode(byte[] b, int off, int width, int height, int[] bitsPerSample, int scanlineStride) throws IOException Description copied from class:TIFFCompressor
Encodes the supplied image data, writing to the currently setImageOutputStream
.- Specified by:
encode
in classTIFFCompressor
- Parameters:
b
- an array ofbyte
s containing the packed but uncompressed image data.off
- the starting offset of the data to be written in the arrayb
.width
- the width of the rectangle of pixels to be written.height
- the height of the rectangle of pixels to be written.bitsPerSample
- an array ofint
s indicting the number of bits used to represent each image sample within a pixel.scanlineStride
- the number of bytes separating each row of the input data.- Returns:
- the number of bytes written.
- Throws:
IOException
- if the supplied data cannot be encoded by thisTIFFCompressor
, or if any I/O error occurs during writing.
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