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 23
1<?php
2
3declare(strict_types=1);
4
5namespace Phpdftk\Pdf\Core\Font;
6
7use Phpdftk\Pdf\Core\PdfArray;
8use Phpdftk\Pdf\Core\PdfDictionary;
9use Phpdftk\Pdf\Core\PdfName;
10use Phpdftk\Pdf\Core\PdfNumber;
11use Phpdftk\Pdf\Core\PdfObject;
12use Phpdftk\Pdf\Core\PdfReference;
13use Phpdftk\Pdf\Core\PdfString;
14
15/**
16 * Font Descriptor object (/Type /FontDescriptor).
17 * Describes the metrics and other attributes of a font program.
18 */
19class FontDescriptor extends PdfObject
20{
21    public const PDF_TYPE = 'FontDescriptor';
22
23    public PdfName $fontName;                    // /FontName - required
24    public ?PdfString $fontFamily = null;        // /FontFamily
25    public ?PdfName $fontStretch = null;         // /FontStretch
26    public ?int $fontWeight = null;              // /FontWeight
27    public int $flags = 0;                       // /Flags - required
28    public ?PdfArray $fontBBox = null;           // /FontBBox
29    public float $italicAngle = 0;               // /ItalicAngle - required
30    public float $ascent = 0;                    // /Ascent
31    public float $descent = 0;                   // /Descent
32    public float $leading = 0;                   // /Leading
33    public float $capHeight = 0;                 // /CapHeight
34    public float $xHeight = 0;                   // /XHeight
35    public float $stemV = 0;                     // /StemV
36    public float $stemH = 0;                     // /StemH
37    public float $avgWidth = 0;                  // /AvgWidth
38    public float $maxWidth = 0;                  // /MaxWidth
39    public float $missingWidth = 0;              // /MissingWidth
40    public ?PdfReference $fontFile = null;       // /FontFile (Type1)
41    public ?PdfReference $fontFile2 = null;      // /FontFile2 (TrueType)
42    public ?PdfReference $fontFile3 = null;      // /FontFile3 (other)
43    public ?PdfString $charSet = null;           // /CharSet
44    public ?PdfDictionary $style = null;         // /Style
45    public ?PdfString $lang = null;              // /Lang
46    public ?PdfDictionary $fd = null;            // /FD - glyph metric overrides
47    public ?PdfReference $cidSet = null;         // /CIDSet - subset CIDFont stream
48
49    public function __construct(PdfName $fontName)
50    {
51        $this->fontName = $fontName;
52    }
53
54    public function toPdf(): string
55    {
56        $dict = new PdfDictionary();
57        $dict->set('Type', new PdfName(self::PDF_TYPE));
58        $dict->set('FontName', $this->fontName);
59        $dict->set('Flags', new PdfNumber($this->flags));
60        $dict->set('ItalicAngle', new PdfNumber($this->italicAngle));
61
62        if ($this->fontFamily !== null) {
63            $dict->set('FontFamily', $this->fontFamily);
64        }
65        if ($this->fontStretch !== null) {
66            $dict->set('FontStretch', $this->fontStretch);
67        }
68        if ($this->fontWeight !== null) {
69            $dict->set('FontWeight', new PdfNumber($this->fontWeight));
70        }
71        if ($this->fontBBox !== null) {
72            $dict->set('FontBBox', $this->fontBBox);
73        }
74        if ($this->ascent != 0) {
75            $dict->set('Ascent', new PdfNumber($this->ascent));
76        }
77        if ($this->descent != 0) {
78            $dict->set('Descent', new PdfNumber($this->descent));
79        }
80        if ($this->leading != 0) {
81            $dict->set('Leading', new PdfNumber($this->leading));
82        }
83        if ($this->capHeight != 0) {
84            $dict->set('CapHeight', new PdfNumber($this->capHeight));
85        }
86        if ($this->xHeight != 0) {
87            $dict->set('XHeight', new PdfNumber($this->xHeight));
88        }
89        if ($this->stemV != 0) {
90            $dict->set('StemV', new PdfNumber($this->stemV));
91        }
92        if ($this->stemH != 0) {
93            $dict->set('StemH', new PdfNumber($this->stemH));
94        }
95        if ($this->avgWidth != 0) {
96            $dict->set('AvgWidth', new PdfNumber($this->avgWidth));
97        }
98        if ($this->maxWidth != 0) {
99            $dict->set('MaxWidth', new PdfNumber($this->maxWidth));
100        }
101        if ($this->missingWidth != 0) {
102            $dict->set('MissingWidth', new PdfNumber($this->missingWidth));
103        }
104        if ($this->fontFile !== null) {
105            $dict->set('FontFile', $this->fontFile);
106        }
107        if ($this->fontFile2 !== null) {
108            $dict->set('FontFile2', $this->fontFile2);
109        }
110        if ($this->fontFile3 !== null) {
111            $dict->set('FontFile3', $this->fontFile3);
112        }
113        if ($this->charSet !== null) {
114            $dict->set('CharSet', $this->charSet);
115        }
116        if ($this->style !== null) {
117            $dict->set('Style', $this->style);
118        }
119        if ($this->lang !== null) {
120            $dict->set('Lang', $this->lang);
121        }
122        if ($this->fd !== null) {
123            $dict->set('FD', $this->fd);
124        }
125        if ($this->cidSet !== null) {
126            $dict->set('CIDSet', $this->cidSet);
127        }
128
129        return $dict->toPdf();
130    }
131}