setasign\SetaPDF2\Core\Image\Gif\Block\Extension
AbstractExtension Class representing any extension inside a GIF.
File: /SetaPDF v2/Core/Image/Gif/Block/Extension/AbstractExtension.php
Old class name (alias):
\SetaPDF_Core_Image_Gif_Block_Extension_AbstractExtension
Class hierarchy
Summary
Static Methods
createExtension()
public static AbstractExtension::createExtension (
\SetaPDF_Core_Reader_Binary $reader
): \SetaPDF_Core_Image_Gif_Block_Extension_PlainText|\SetaPDF_Core_Image_Gif_Block_Extension_Application|\SetaPDF_Core_Image_Gif_Block_Extension_Comment|\SetaPDF_Core_Image_Gif_Block_Extension_GraphicControlCreates an extension block instance.
Parameters
- $reader : \SetaPDF_Core_Reader_Binary
Exceptions
createExtensionOrImageDescriptor()
public static \setasign\SetaPDF2\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
Methods
__construct()
_readBody()
Reads the content of the extension.
Parameters
- $reader : \SetaPDF_Core_Image_Gif_Reader_Sequence