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| 1 | <?php |
| 2 | |
| 3 | declare(strict_types=1); |
| 4 | |
| 5 | namespace Phpdftk\Css\Value; |
| 6 | |
| 7 | /** |
| 8 | * The `filter:` value as a typed list of CSS Filter Effects 1 §5 |
| 9 | * primitives. The painter dispatches per |
| 10 | * {@see FilterFunction::$kind} rather than re-parsing the function |
| 11 | * name from a generic {@see CssFunction}. |
| 12 | * |
| 13 | * `filter: none` (the initial value) is represented by |
| 14 | * `Keyword('none')` and not by an empty Filter — the cascade keeps |
| 15 | * the keyword and the painter no-ops without walking a list. |
| 16 | */ |
| 17 | final readonly class Filter extends Value |
| 18 | { |
| 19 | /** |
| 20 | * @param list<FilterFunction> $functions |
| 21 | */ |
| 22 | public function __construct(public array $functions) {} |
| 23 | |
| 24 | public function toCss(): string |
| 25 | { |
| 26 | return implode(' ', array_map( |
| 27 | static fn(FilterFunction $f): string => $f->toCss(), |
| 28 | $this->functions, |
| 29 | )); |
| 30 | } |
| 31 | } |