Class GZip2Compressor<T extends Buffer>
java.lang.Object
nom.tam.fits.compression.algorithm.gzip.GZipCompressor<T>
nom.tam.fits.compression.algorithm.gzip2.GZip2Compressor<T>
- Type Parameters:
T
- The genetic type of element buffer to compress
- All Implemented Interfaces:
ICompressor<T>
- Direct Known Subclasses:
GZip2Compressor.DoubleGZip2Compressor
,GZip2Compressor.FloatGZip2Compressor
,GZip2Compressor.IntGZip2Compressor
,GZip2Compressor.LongGZip2Compressor
,GZip2Compressor.ShortGZip2Compressor
(for internal use) The GZIP2 compression algorithm.
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Nested Class Summary
Nested ClassesModifier and TypeClassDescriptionstatic class
static class
static class
static class
static class
static class
Nested classes/interfaces inherited from class nom.tam.fits.compression.algorithm.gzip.GZipCompressor
GZipCompressor.ByteGZipCompressor, GZipCompressor.DoubleGZipCompressor, GZipCompressor.FloatGZipCompressor, GZipCompressor.IntGZipCompressor, GZipCompressor.LongGZipCompressor, GZipCompressor.ShortGZipCompressor
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Field Summary
Fields inherited from class nom.tam.fits.compression.algorithm.gzip.GZipCompressor
buffer, nioBuffer, primitiveSize
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Constructor Summary
Constructors -
Method Summary
Modifier and TypeMethodDescriptionboolean
compress
(T pixelData, ByteBuffer compressed) compress the buffer into the byte buffer.void
decompress
(ByteBuffer compressed, T pixelData) Decompress the byte buffer and restore the buffer from it, again enough space must already be allocated.byte[]
shuffle
(byte[] byteArray) byte[]
unshuffle
(byte[] byteArray) Methods inherited from class nom.tam.fits.compression.algorithm.gzip.GZipCompressor
createGZipInputStream, createGZipOutputStream, getPixel, setPixel
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Constructor Details
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GZip2Compressor
public GZip2Compressor(int primitiveSize)
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Method Details
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compress
Description copied from interface:ICompressor
compress the buffer into the byte buffer. Attention enough space must already be allocated.- Specified by:
compress
in interfaceICompressor<T extends Buffer>
- Overrides:
compress
in classGZipCompressor<T extends Buffer>
- Parameters:
pixelData
- the buffer to compress.compressed
- the compressed data- Returns:
- true if the compression succeeded.
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decompress
Description copied from interface:ICompressor
Decompress the byte buffer and restore the buffer from it, again enough space must already be allocated.- Specified by:
decompress
in interfaceICompressor<T extends Buffer>
- Overrides:
decompress
in classGZipCompressor<T extends Buffer>
- Parameters:
compressed
- the compressed datapixelData
- the buffer to fill with the uncompressed data.
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shuffle
public byte[] shuffle(byte[] byteArray) -
unshuffle
public byte[] unshuffle(byte[] byteArray)
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