yatra / vendor / phenx / php-font-lib / src / FontLib / EOT / File.php

File.php in Yatra – Travel Booking & Tour Operator Software 3.0.16, at vendor/phenx/php-font-lib/src/FontLib/EOT/File.php

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1	<?php
2	/**
3	* @package php-font-lib
4	* @link https://github.com/dompdf/php-font-lib
5	* @author Fabien Ménager <[email protected]>
6	* @license http://www.gnu.org/copyleft/lesser.html GNU Lesser General Public License
7	*/
8
9	namespace FontLib\EOT;
10
11	/**
12	* EOT font file.
13	*
14	* @package php-font-lib
15	*/
16	class File extends \FontLib\TrueType\File {
17	const TTEMBED_SUBSET = 0x00000001;
18	const TTEMBED_TTCOMPRESSED = 0x00000004;
19	const TTEMBED_FAILIFVARIATIONSIMULATED = 0x00000010;
20	const TTMBED_EMBEDEUDC = 0x00000020;
21	const TTEMBED_VALIDATIONTESTS = 0x00000040; // Deprecated
22	const TTEMBED_WEBOBJECT = 0x00000080;
23	const TTEMBED_XORENCRYPTDATA = 0x10000000;
24
25	/**
26	* @var Header
27	*/
28	public $header;
29
30	function parseHeader() {
31	if (!empty($this->header)) {
32	return;
33	}
34
35	$this->header = new Header($this);
36	$this->header->parse();
37	}
38
39	function parse() {
40	$this->parseHeader();
41
42	$flags = $this->header->data["Flags"];
43
44	if ($flags & self::TTEMBED_TTCOMPRESSED) {
45	$mtx_version = $this->readUInt8();
46	$mtx_copy_limit = $this->readUInt8() << 16 \| $this->readUInt8() << 8 \| $this->readUInt8();
47	$mtx_offset_1 = $this->readUInt8() << 16 \| $this->readUInt8() << 8 \| $this->readUInt8();
48	$mtx_offset_2 = $this->readUInt8() << 16 \| $this->readUInt8() << 8 \| $this->readUInt8();
49	/*
50	var_dump("$mtx_version $mtx_copy_limit $mtx_offset_1 $mtx_offset_2");
51
52	$pos = $this->pos();
53	$size = $mtx_offset_1 - $pos;
54	var_dump("pos: $pos");
55	var_dump("size: $size");*/
56	}
57
58	if ($flags & self::TTEMBED_XORENCRYPTDATA) {
59	// Process XOR
60	}
61	// TODO Read font data ...
62	}
63
64	/**
65	* Little endian version of the read method
66	*
67	* @param int $n The number of bytes to read
68	*
69	* @return string
70	*/
71	public function read($n) {
72	if ($n < 1) {
73	return "";
74	}
75
76	$string = (string) fread($this->f, $n);
77	$chunks = mb_str_split($string, 2, '8bit');
78	$chunks = array_map("strrev", $chunks);
79	return implode("", $chunks);
80	}
81
82	public function readUInt32() {
83	$uint32 = parent::readUInt32();
84
85	return $uint32 >> 16 & 0x0000FFFF \| $uint32 << 16 & 0xFFFF0000;
86	}
87
88	/**
89	* Get font copyright
90	*
91	* @return string\|null
92	*/
93	function getFontCopyright() {
94	return null;
95	}
96
97	/**
98	* Get font name
99	*
100	* @return string\|null
101	*/
102	function getFontName() {
103	return $this->header->data["FamilyName"];
104	}
105
106	/**
107	* Get font subfamily
108	*
109	* @return string\|null
110	*/
111	function getFontSubfamily() {
112	return $this->header->data["StyleName"];
113	}
114
115	/**
116	* Get font subfamily ID
117	*
118	* @return string\|null
119	*/
120	function getFontSubfamilyID() {
121	return $this->header->data["StyleName"];
122	}
123
124	/**
125	* Get font full name
126	*
127	* @return string\|null
128	*/
129	function getFontFullName() {
130	return $this->header->data["FullName"];
131	}
132
133	/**
134	* Get font version
135	*
136	* @return string\|null
137	*/
138	function getFontVersion() {
139	return $this->header->data["VersionName"];
140	}
141
142	/**
143	* Get font weight
144	*
145	* @return string\|null
146	*/
147	function getFontWeight() {
148	return $this->header->data["Weight"];
149	}
150
151	/**
152	* Get font Postscript name
153	*
154	* @return string\|null
155	*/
156	function getFontPostscriptName() {
157	return null;
158	}
159	}
160