Class Bit in namespace setasign\SetaPDF2\Core\Image\Gif\Reader in SetaPDF v2 API Reference

Index

\setasign\SetaPDF2
1. Core
  1. Image
    1. Gif
    2. Gif
      1. Reader
      2. Reader
        
        Bit
        
        Sequence

setasign\SetaPDF2\Core\Image\Gif\Reader

Bit Class used to read single bits.

File: /SetaPDF v2/Core/Image/Gif/Reader/Bit.php
Old class name (alias): \SetaPDF_Core_Image_Gif_Reader_Bit

Class hierarchy

Summary

Properties

$_bitOffset
$_currentByte
$_numBits
$_reader

Properties

$_bitOffset

private int Bit::$_bitOffset

The bit offset in the current byte.

$_currentByte

private int|false Bit::$_currentByte

The currently read byte converted to a unsigned int8.

$_numBits

private int Bit::$_numBits

The number of bits that get read by readBits() call.

$_reader

private \SetaPDF_Core_Image_Gif_Reader_Sequence Bit::$_reader

The reader used to read bytes.

Methods

__construct()

public Bit::__construct (

\SetaPDF_Core_Image_Gif_Reader_Sequence $reader

)

The constructor.

Parameters

$reader : \SetaPDF_Core_Image_Gif_Reader_Sequence

_readByte()

private Bit::_readByte (

void

): void

Reads a new byte into the _currentByte property.

Exceptions

Throws \setasign\SetaPDF2\Core\Image\Exception

getReader()

public Bit::getReader (

void

): \SetaPDF_Core_Image_Gif_Reader_Sequence

Gets the currently attached reader instance.

readBits()

public Bit::readBits (

void

): int

Reads the next bits.

Exceptions

Throws \setasign\SetaPDF2\Core\Image\Exception

setNumBits()

public Bit::setNumBits (

int $numBits

): void

Sets the number of bits that shall be read.

Parameters

$numBits : int