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| 1 | <?php |
| 2 | |
| 3 | declare(strict_types=1); |
| 4 | |
| 5 | namespace Phpdftk\Pdf\Core\Multimedia; |
| 6 | |
| 7 | use Phpdftk\Pdf\Core\PdfDictionary; |
| 8 | use Phpdftk\Pdf\Core\PdfName; |
| 9 | use Phpdftk\Pdf\Core\PdfObject; |
| 10 | use Phpdftk\Pdf\Core\PdfString; |
| 11 | use Phpdftk\Pdf\Core\PdfVersion; |
| 12 | use Phpdftk\Pdf\Core\RequiresPdfVersion; |
| 13 | |
| 14 | /** |
| 15 | * Rendition (/Type /Rendition) — ISO 32000-2 §13.2.3. |
| 16 | * |
| 17 | * Abstract base for Media renditions (MR) and Selector renditions (SR). |
| 18 | * Common entries: Type, S (subtype), N (name), MH (media-handler), BE. |
| 19 | */ |
| 20 | #[RequiresPdfVersion(PdfVersion::V1_5)] |
| 21 | abstract class Rendition extends PdfObject |
| 22 | { |
| 23 | public const PDF_TYPE = 'Rendition'; |
| 24 | |
| 25 | public ?PdfString $n = null; // /N name |
| 26 | public ?PdfDictionary $mh = null; // /MH "must-honor" criteria |
| 27 | public ?PdfDictionary $be = null; // /BE "best-effort" criteria |
| 28 | |
| 29 | /** Returns the /S (subtype) value, e.g. "MR" or "SR". */ |
| 30 | abstract public function getRenditionSubtype(): string; |
| 31 | |
| 32 | protected function baseDictionary(): PdfDictionary |
| 33 | { |
| 34 | $dict = new PdfDictionary(); |
| 35 | $dict->set('Type', new PdfName(self::PDF_TYPE)); |
| 36 | $dict->set('S', new PdfName($this->getRenditionSubtype())); |
| 37 | if ($this->n !== null) { |
| 38 | $dict->set('N', $this->n); |
| 39 | } |
| 40 | if ($this->mh !== null) { |
| 41 | $dict->set('MH', $this->mh); |
| 42 | } |
| 43 | if ($this->be !== null) { |
| 44 | $dict->set('BE', $this->be); |
| 45 | } |
| 46 | return $dict; |
| 47 | } |
| 48 | } |