Code Coverage
 
Lines
Functions and Methods
Classes and Traits
Total
100.00%
10 / 10
100.00%
2 / 2
 CRAP
100.00%
1 / 1
LinearizationParameters
100.00%
10 / 10
100.00%
2 / 2
 2
100.00%
1 / 1
 __construct
100.00%
1 / 1
100.00%
1 / 1
 1
 toPdf
100.00%
9 / 9
100.00%
1 / 1
 1
1<?php
2
3declare(strict_types=1);
4
5namespace Phpdftk\Pdf\Core\Document;
6
7use Phpdftk\Pdf\Core\PdfArray;
8use Phpdftk\Pdf\Core\PdfDictionary;
9use Phpdftk\Pdf\Core\PdfNumber;
10use Phpdftk\Pdf\Core\PdfObject;
11
12/**
13 * Linearization parameter dictionary — ISO 32000-2 §F.2.1.
14 *
15 * First object in a linearized (web-optimized) PDF file. Describes the
16 * layout parameters needed by a reader to fetch the document's first
17 * page and catalog without downloading the entire file.
18 *
19 * This class is object-model only; `PdfWriter` does not yet emit
20 * linearized files.
21 */
22class LinearizationParameters extends PdfObject
23{
24    public float $linearized = 1.0;       // /Linearized - version (always 1)
25    public int $l = 0;                    // /L - file length
26    public PdfArray $h;                   // /H - hint stream offsets [offset length ...]
27    public int $o = 0;                    // /O - first page object number
28    public int $e = 0;                    // /E - offset of first page end
29    public int $n = 0;                    // /N - number of pages
30    public int $t = 0;                    // /T - offset of first xref entry
31
32    public function __construct()
33    {
34        $this->h = new PdfArray([]);
35    }
36
37    public function toPdf(): string
38    {
39        $dict = new PdfDictionary();
40        $dict->set('Linearized', new PdfNumber($this->linearized));
41        $dict->set('L', new PdfNumber($this->l));
42        $dict->set('H', $this->h);
43        $dict->set('O', new PdfNumber($this->o));
44        $dict->set('E', new PdfNumber($this->e));
45        $dict->set('N', new PdfNumber($this->n));
46        $dict->set('T', new PdfNumber($this->t));
47        return $dict->toPdf();
48    }
49}