classes-Com-Tecnick-Pdf-Filter-Type-Lzw

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Lzw

Com\Tecnick\Pdf\Filter\Type\Lzw

LZWDecode Decompresses data encoded using the LZW (Lempel-Ziv-Welch) adaptive compression method, reproducing the original text or binary data.

Tags
since
2011-05-23
category

Library

author

Nicola Asuni info@tecnick.com

copyright

2011-2015 Nicola Asuni - Tecnick.com LTD

license

http://www.gnu.org/copyleft/lesser.html GNU-LGPL v3 (see LICENSE.TXT)

link
https://github.com/tecnickcom/tc-lib-pdf-filter

Table of Contents

decode()  : string
Decode the data
process()  : mixed
Internal processing

Methods

decode()

Decode the data

public decode(string $data) : string
Parameters
$data : string

Data to decode.

Return values
string

Decoded data string.

process()

Internal processing

protected process(string &$decoded, string &$bitstring, int &$bitlen, int &$data_length, int &$index, array<string|int, mixed> &$dictionary, int &$dix, int &$prev_index) : mixed
Parameters
$decoded : string
$bitstring : string
$bitlen : int
$data_length : int
$index : int
$dictionary : array<string|int, mixed>
$dix : int
$prev_index : int
Return values
mixed
 

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