Manual Reference Pages - COMPRESS::LZW::COMPRESSOR (3)
Compress::LZW::Compressor - Scaling LZW compressor class
my $c = Compress::LZW::Compressor->new();
my $lzw = $c->compress( $some_data );
Block mode is a feature added to LZW by compress(1). Once the maximum code size
has been reached, if the compression ratio falls (NYI) the code table and code
size can be reset, and a code indicating this reset is embedded in the output
May be 0 or 1.
Maximum size in bits that code output may scale up to. This value is stored in
byte 3 of the compressed output so the decompressor can also stop at the same
size automatically. Maximum code size implies a maximum code table size of 2
** max_code_size, which can be emptied and restarted mid-stream in
May be between 9 and 31, inclusive. The default of 16 is the largest supported
by compress(1), but Compress::LZW can handle up to 31 bits.
compress ( CW$input )
Compresses $input with the current settings and returns the result.
Resets the compressor state for another round of compression. Automatically
called at the beginning of compress().
Resets the following internal state: Code table, next code number, code size,
output buffer, buffer position
Meredith Howard <email@example.com>
COPYRIGHT AND LICENSE
This software is copyright (c) 2015 by Meredith Howard.
This is free software; you can redistribute it and/or modify it under
the same terms as the Perl 5 programming language system itself.
|perl v5.20.3 ||COMPRESS::LZW::COMPRESSOR (3) ||2015-02-10 |
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