SetaPDF v2 API Reference

Index

\setasign\SetaPDF2
1. Core
  1. Image
    1. Gif
    2. Gif
      1. Filter
        
        Interlace
        
        Lzw

setasign\SetaPDF2\Core\Image\Gif\Filter

Interlace Class to apply interlacing.

File: /SetaPDF v2/Core/Image/Gif/Filter/Interlace.php
Old class name (alias): \SetaPDF_Core_Image_Gif_Filter_Interlace

Class hierarchy

Interlace

Summary

Methods

__construct()
uncompress()

Properties

$_height
$_pixels
$_width

Properties

$_height

private int Interlace::$_height

Frame height.

$_pixels

private array Interlace::$_pixels

The input pixels

$_width

private int Interlace::$_width

Frame width.

Methods

__construct()

public Interlace::__construct (

array $pixels,
int $width,
int $height

)

The constructor.

Parameters

$pixels : array
$width : int
$height : int

uncompress()

public Interlace::uncompress (

void

): array

Uncompresses the LZW data of a GIF image and applies interlacing.