class final Core · roukmoute/pdf 0.6.2
PDF\Graphics\XObjects\TransparencyGroupGroup attributes usable for pages, isolated forms and soft-mask groups (table 147).Inheritance and contracts
Parent : PDF\Specification\SchemaDictionary
Interfaces : Countable, IteratorAggregate, PDF\Document\VersionedComponent, PDF\Syntax\FileStructure\BasicType, Stringable, Traversable
Definition in the specification
Table 147 · Additional entries specific to a transparency group attributes dictionary
ISO 32000-1:2008, §11.6.6 · PDF page 357 ↗
| Entry | PDF type | Source requirement | Table |
|---|---|---|---|
/Type | name | Optional | 96 |
/S | name | Required | 147 |
/CS | name or array | Sometimes required | 147 |
/I | boolean | Optional | 147 |
/K | boolean | Optional | 147 |
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\Graphics\GraphicsState\BlendingColourSpace $colourSpace = null, PDF\Syntax\Object\BooleanType $isolated = new BooleanType(false), PDF\Syntax\Object\BooleanType $knockout = new BooleanType(false))Declared methods
validateForm()
public function validateForm(): voidvalidateVersion()
public function validateVersion(PDF\Syntax\FileStructure\EffectivePdfVersion $version): voidwith()
public function with(PDF\Syntax\Object\DictionaryObject\Entry $entry): staticwithout()
public function without(PDF\Syntax\Object\NameType|string $key): staticInherited methods
9 methods from parents and contracts
__toString()
public function __toString(): stringcount()
public function count(): intdefinition()
public function definition(): PDF\Specification\TableDefinitionentries()
public function entries(): iterable@return iterable<Entry>get()
public function get(PDF\Syntax\Object\NameType|string $key): ?PDF\Syntax\FileStructure\BasicTypegetIterator()
public function getIterator(): Traversablehas()
public function has(PDF\Syntax\Object\NameType|string $key): booltoPdf()
public function toPdf(PDF\Serialization\SerializationContext $context): stringvalidate()
public function validate(): voidChecks unconditional requirements; conditional and inherited rules remain explicit.Properties
| Declaration | Origin and documentation |
|---|---|
public readonly ?PDF\Graphics\GraphicsState\BlendingColourSpace $colourSpace | PDF\Graphics\XObjects\TransparencyGroup |
public readonly PDF\Syntax\Object\BooleanType $isolated | PDF\Graphics\XObjects\TransparencyGroup |
public readonly PDF\Syntax\Object\BooleanType $knockout | PDF\Graphics\XObjects\TransparencyGroup |
Constants
| Name | PHP value | Origin |
|---|---|---|
COMMON_TABLES | | PDF\Specification\SchemaDictionary |
TABLE | | PDF\Graphics\XObjects\TransparencyGroup |