class final Core · roukmoute/pdf 0.6.2
PDF\Specification\Dictionary\ImageDictionaryTable89\OCEntryTable 89, /OC; PDF type: dictionary; Optional; PDF 1.5.Inheritance and contracts
Parent : PDF\Specification\SchemaEntry
Definition in the specification
Table 89 · Additional Entries Specific to an Image Dictionary
ISO 32000-1:2008, §8.9.5.1 · PDF page 216 ↗
/OC dictionary
(Optional; PDF 1.5) An optional content group or optional content membership dictionary (see 8.11, "Optional Content"), specifying the optional content properties for this image XObject. Before the image is processed by a conforming reader, its visibility shall be determined based on this entry. If it is determined to be invisible, the entire image shall be skipped, as if there were no Do operator to invoke it.
Qualifier: Optional; PDF 1.5
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\DictionaryType|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\ImageDictionaryTable89\OCEntry |
TABLE | | PDF\Specification\Dictionary\ImageDictionaryTable89\OCEntry |
VARIABLE | | PDF\Specification\SchemaEntry |