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 5.12
1<?php
2
3declare(strict_types=1);
4
5namespace Phpdftk\Pdf\Core\ThreeD;
6
7use Phpdftk\Pdf\Core\PdfArray;
8use Phpdftk\Pdf\Core\PdfBoolean;
9use Phpdftk\Pdf\Core\PdfDictionary;
10use Phpdftk\Pdf\Core\PdfName;
11use Phpdftk\Pdf\Core\PdfObject;
12use Phpdftk\Pdf\Core\PdfString;
13use Phpdftk\Pdf\Core\PdfVersion;
14use Phpdftk\Pdf\Core\RequiresPdfVersion;
15
16/**
17 * 3D node dictionary (/Type /3DNode) — ISO 32000-2 §13.6.4.5.
18 *
19 * Overrides the transform / visibility / rendering of a named node
20 * inside a 3D stream. Referenced from `ThreeDView::$na`.
21 */
22#[RequiresPdfVersion(PdfVersion::V1_6)]
23class ThreeDNode extends PdfObject
24{
25    public const PDF_TYPE = '3DNode';
26
27    public PdfString $n;                // /N - name (required)
28    public ?PdfArray $m = null;         // /M - transform matrix
29    public ?bool $v = null;             // /V - visible
30    public ?float $o = null;            // /O - opacity
31    public ?PdfDictionary $rm = null;   // /RM - render mode override
32
33    public function __construct(string $name)
34    {
35        $this->n = new PdfString($name);
36    }
37
38    public function toPdf(): string
39    {
40        $dict = new PdfDictionary();
41        $dict->set('Type', new PdfName(self::PDF_TYPE));
42        $dict->set('N', $this->n);
43        if ($this->m !== null) {
44            $dict->set('M', $this->m);
45        }
46        if ($this->v !== null) {
47            $dict->set('V', new PdfBoolean($this->v));
48        }
49        if ($this->o !== null) {
50            $dict->set('O', new \Phpdftk\Pdf\Core\PdfNumber($this->o));
51        }
52        if ($this->rm !== null) {
53            $dict->set('RM', $this->rm);
54        }
55        return $dict->toPdf();
56    }
57}