Pdf/Filter/Compression.php
Zend Framework
LICENSE
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with this package in the file LICENSE.txt.
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- Category
- Zend
- Copyright
- Copyright (c) 2005-2014 Zend Technologies USA Inc. (http://www.zend.com)
- License
- New BSD License
- Package
- Zend_Pdf
- Version
- $Id$
\Zend_Pdf_Filter_Compression
Package: Zend_PdfASCII85 stream filter
- Implements
- Children
- \Zend_Pdf_Filter_Compression_Flate
- \Zend_Pdf_Filter_Compression_Lzw
- Copyright
- Copyright (c) 2005-2014 Zend Technologies USA Inc. (http://www.zend.com)
- License
- New BSD License
Methods



_applyDecodeParams(string $data, array $params) : string
staticConvert stream data according to the filter params set after decoding.
ParametersName | Type | Description |
---|
$data | string | |
---|
$params | array | |
---|
Returns 


_applyEncodeParams(string $data, array $params) : string
staticConvert stream data according to the filter params set before encoding.
ParametersName | Type | Description |
---|
$data | string | |
---|
$params | array | |
---|
ReturnsThrows 


_getBitsPerComponentValue(array $params) : integer
staticGet BitsPerComponent decode param value
ParametersName | Type | Description |
---|
$params | array | |
---|
ReturnsThrows 


_getColorsValue(array $params) : integer
staticGet Colors decode param value
ParametersName | Type | Description |
---|
$params | array | |
---|
ReturnsThrows 


_getColumnsValue(array $params) : integer
staticGet Columns decode param value
ParametersName | Type | Description |
---|
$params | array | |
---|
Returns 


_getPredictorValue(array $params) : integer
staticGet Predictor decode param value
ParametersName | Type | Description |
---|
$params | array | |
---|
ReturnsThrows 


_paeth(integer $a, integer $b, integer $c) : integer
staticPaeth prediction function
ParametersName | Type | Description |
---|
$a | integer | |
---|
$b | integer | |
---|
$c | integer | |
---|
Returns