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| 1 | <?php |
| 2 | |
| 3 | declare(strict_types=1); |
| 4 | |
| 5 | namespace Phpdftk\Pdf\Writer; |
| 6 | |
| 7 | /** |
| 8 | * Styling for {@see ListBlock} rendering. |
| 9 | * |
| 10 | * Defaults produce a familiar bullet style: solid round bullet `•`, |
| 11 | * 18pt indent, 2pt vertical gap between items. The bullet alternates by |
| 12 | * depth to mimic standard outline styles: `•` → `◦` → `▪` → cycle. |
| 13 | * |
| 14 | * For numbered lists, `$numberSuffix` is appended to the index |
| 15 | * (`1.`, `2.`, `3.` by default). |
| 16 | */ |
| 17 | final class ListStyle |
| 18 | { |
| 19 | /** |
| 20 | * @param list<string> $bulletGlyphs One bullet per nesting level; cycles after the last entry. |
| 21 | */ |
| 22 | public function __construct( |
| 23 | public readonly float $indent = 18.0, |
| 24 | public readonly float $itemSpacing = 3.0, |
| 25 | public readonly array $bulletGlyphs = ['•', '◦', '▪'], |
| 26 | public readonly string $numberSuffix = '.', |
| 27 | ) {} |
| 28 | |
| 29 | public function bulletAt(int $depth): string |
| 30 | { |
| 31 | $count = count($this->bulletGlyphs); |
| 32 | return $count === 0 ? '•' : $this->bulletGlyphs[$depth % $count]; |
| 33 | } |
| 34 | } |