Class SetaPDF_Core_Image_Gif_Block_ImageDescriptor in SetaPDF v2 API Reference

Index

\SetaPDF
1. Core
2. Core
  1. Image
  2. Image
    1. Gif
    2. Gif
      1. Block
        Extension
        AbstractBlock
        Header
        ImageDescriptor
        LogicalScreenDescriptor

SetaPDF_Core_Image_Gif_Block_ImageDescriptor Class representing an image descriptor inside of a GIF.

File: /SetaPDF v2/Core/Image/Gif/Block/ImageDescriptor.php

Class hierarchy

SetaPDF_Core_Image_Gif_Block_AbstractBlock
- SetaPDF_Core_Image_Gif_Block_ImageDescriptor

Summary

Properties

$colorTable

public null|array SetaPDF_Core_Image_Gif_Block_ImageDescriptor::$colorTable

The local color table.

If null, the global color table shall be used.

$data

public SetaPDF_Core_Image_Gif_Reader_Sequence SetaPDF_Core_Image_Gif_Block_ImageDescriptor::$data

The LZW compressed data.

$height

public int SetaPDF_Core_Image_Gif_Block_ImageDescriptor::$height

The frame height.

$interlace

public bool SetaPDF_Core_Image_Gif_Block_ImageDescriptor::$interlace

Flag for interlacing.

$left

public int SetaPDF_Core_Image_Gif_Block_ImageDescriptor::$left

The frame x position from the left.

$minCodeSize

public int SetaPDF_Core_Image_Gif_Block_ImageDescriptor::$minCodeSize

The min code size.

Used for the LZW-Encoding.

$top

public int SetaPDF_Core_Image_Gif_Block_ImageDescriptor::$top

The frame y position from the top.

$width

public int SetaPDF_Core_Image_Gif_Block_ImageDescriptor::$width

The frame width.

Static Methods

createExtensionOrImageDescriptor()

public static SetaPDF_Core_Image_Gif_Block_AbstractBlock::createExtensionOrImageDescriptor (

SetaPDF_Core_Reader_Binary $reader

): bool|SetaPDF_Core_Image_Gif_Block_Extension_Application|SetaPDF_Core_Image_Gif_Block_Extension_Comment|SetaPDF_Core_Image_Gif_Block_Extension_GraphicControl|SetaPDF_Core_Image_Gif_Block_Extension_PlainText|SetaPDF_Core_Image_Gif_Block_ImageDescriptor

Creates a new block instance (extension or image descriptor).

Parameters

$reader : SetaPDF_Core_Reader_Binary

Exceptions

Throws SetaPDF_Core_Image_Exception

Methods

__construct()

public SetaPDF_Core_Image_Gif_Block_ImageDescriptor::__construct (

SetaPDF_Core_Reader_Binary $reader

)

The constructor.

Parameters

$reader : SetaPDF_Core_Reader_Binary

Exceptions

Throws SetaPDF_Core_Image_Exception