setasign\SetaPDF2\Core\Image\Gif\Block
Header Class representing a header inside of a GIF.
File: /SetaPDF v2/Core/Image/Gif/Block/Header.php
Old class name (alias):
\SetaPDF_Core_Image_Gif_Block_Header
Class hierarchy
Summary
Properties
$signature
public string Header::$signature
The GIF signature.
Static Methods
createExtensionOrImageDescriptor()
public static 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
