class final Core · roukmoute/pdf 0.6.1
PDF\Specification\Dictionary\ViewerPreferencesDictionaryTable150\DirectionEntryTable 150, /Direction; PDF type: name; Optional; PDF 1.3.Inheritance and contracts
Parent : PDF\Specification\SchemaEntry
Definition in the specification
Table 150 · Entries in a viewer preferences dictionary
ISO 32000-1:2008, §12.2 · PDF page 371 ↗
/Direction name
(Optional; PDF 1.3) The predominant reading order for text: L2R Left to right R2L Right to left (including vertical writing systems, such as Chinese, Japanese, and Korean) This entry has no direct effect on the document’s contents or page numbering but may be used to determine the relative positioning of pages when displayed side by side or printed n-up. Default value: L2R.
Qualifier: Optional; PDF 1.3
Conditional descriptions remain traceable. A definition alone does not implement a codec, a signature or every format mechanism. Read the coverage.
Construction
__construct()
public function __construct(PDF\Syntax\Object\NameType|PDF\Syntax\Object\IndirectReference $value)Inherited methods
3 methods from parents and contracts
definition()
public function definition(): PDF\Specification\EntryDefinitionkey()
public function key(): PDF\Syntax\Object\NameTypevalue()
public function value(): PDF\Syntax\FileStructure\BasicTypeProperties
| Declaration | Origin and documentation |
|---|---|
public readonly PDF\Syntax\Object\NameType $key | PDF\Syntax\Object\DictionaryObject\Entry |
public readonly PDF\Syntax\FileStructure\BasicType $value | PDF\Syntax\Object\DictionaryObject\Entry |
Constants
| Name | PHP value | Origin |
|---|---|---|
KEY | | PDF\Specification\Dictionary\ViewerPreferencesDictionaryTable150\DirectionEntry |
TABLE | | PDF\Specification\Dictionary\ViewerPreferencesDictionaryTable150\DirectionEntry |
VARIABLE | | PDF\Specification\SchemaEntry |