AdobeFontMetrics.php — Independent Analytics – WordPress Analytics Plugin 1.18

independent-analytics / vendor / phenx / php-font-lib / src / FontLib / AdobeFontMetrics.php

independent-analytics / vendor / phenx / php-font-lib / src / FontLib Last commit date

EOT 3 years ago Exception 3 years ago Glyph 3 years ago OpenType 3 years ago Table 3 years ago TrueType 3 years ago WOFF 3 years ago AdobeFontMetrics.php 3 years ago Autoloader.php 3 years ago BinaryStream.php 3 years ago EncodingMap.php 3 years ago Font.php 3 years ago Header.php 3 years ago

AdobeFontMetrics.php

165 lines

1	<?php
2
3	/**
4	* @package php-font-lib
5	* @link https://github.com/PhenX/php-font-lib
6	* @author Fabien Ménager <fabien.menager@gmail.com>
7	* @license http://www.gnu.org/copyleft/lesser.html GNU Lesser General Public License
8	*/
9	namespace IAWP\FontLib;
10
11	use IAWP\FontLib\Table\Type\name;
12	use IAWP\FontLib\TrueType\File;
13	/**
14	* Adobe Font Metrics file creation utility class.
15	*
16	* @package php-font-lib
17	*/
18	class AdobeFontMetrics
19	{
20	private $f;
21	/**
22	* @var File
23	*/
24	private $font;
25	function __construct(File $font)
26	{
27	$this->font = $font;
28	}
29	function write($file, $encoding = null)
30	{
31	$map_data = array();
32	if ($encoding) {
33	$encoding = \preg_replace("/[^a-z0-9-_]/", "", $encoding);
34	$map_file = \dirname(__FILE__) . "/../maps/{$encoding}.map";
35	if (!\file_exists($map_file)) {
36	throw new \Exception("Unknown encoding ({$encoding})");
37	}
38	$map = new EncodingMap($map_file);
39	$map_data = $map->parse();
40	}
41	$this->f = \fopen($file, "w+");
42	$font = $this->font;
43	$this->startSection("FontMetrics", 4.1);
44	$this->addPair("Notice", "Converted by PHP-font-lib");
45	$this->addPair("Comment", "https://github.com/PhenX/php-font-lib");
46	$encoding_scheme = $encoding ? $encoding : "FontSpecific";
47	$this->addPair("EncodingScheme", $encoding_scheme);
48	$records = $font->getData("name", "records");
49	foreach ($records as $id => $record) {
50	if (!isset(name::$nameIdCodes[$id]) \|\| \preg_match("/[\r\n]/", $record->string)) {
51	continue;
52	}
53	$this->addPair(name::$nameIdCodes[$id], $record->string);
54	}
55	$os2 = $font->getData("OS/2");
56	$this->addPair("Weight", $os2["usWeightClass"] > 400 ? "Bold" : "Medium");
57	$post = $font->getData("post");
58	$this->addPair("ItalicAngle", $post["italicAngle"]);
59	$this->addPair("IsFixedPitch", $post["isFixedPitch"] ? "true" : "false");
60	$this->addPair("UnderlineThickness", $font->normalizeFUnit($post["underlineThickness"]));
61	$this->addPair("UnderlinePosition", $font->normalizeFUnit($post["underlinePosition"]));
62	$hhea = $font->getData("hhea");
63	if (isset($hhea["ascent"])) {
64	$this->addPair("FontHeightOffset", $font->normalizeFUnit($hhea["lineGap"]));
65	$this->addPair("Ascender", $font->normalizeFUnit($hhea["ascent"]));
66	$this->addPair("Descender", $font->normalizeFUnit($hhea["descent"]));
67	} else {
68	$this->addPair("FontHeightOffset", $font->normalizeFUnit($os2["typoLineGap"]));
69	$this->addPair("Ascender", $font->normalizeFUnit($os2["typoAscender"]));
70	$this->addPair("Descender", -\abs($font->normalizeFUnit($os2["typoDescender"])));
71	}
72	$head = $font->getData("head");
73	$this->addArray("FontBBox", array($font->normalizeFUnit($head["xMin"]), $font->normalizeFUnit($head["yMin"]), $font->normalizeFUnit($head["xMax"]), $font->normalizeFUnit($head["yMax"])));
74	$glyphIndexArray = $font->getUnicodeCharMap();
75	if ($glyphIndexArray) {
76	$hmtx = $font->getData("hmtx");
77	$names = $font->getData("post", "names");
78	$this->startSection("CharMetrics", \count($hmtx));
79	if ($encoding) {
80	foreach ($map_data as $code => $value) {
81	list($c, $name) = $value;
82	if (!isset($glyphIndexArray[$c])) {
83	continue;
84	}
85	$g = $glyphIndexArray[$c];
86	if (!isset($hmtx[$g])) {
87	$hmtx[$g] = $hmtx[0];
88	}
89	$this->addMetric(array("C" => $code > 255 ? -1 : $code, "WX" => $font->normalizeFUnit($hmtx[$g][0]), "N" => $name));
90	}
91	} else {
92	foreach ($glyphIndexArray as $c => $g) {
93	if (!isset($hmtx[$g])) {
94	$hmtx[$g] = $hmtx[0];
95	}
96	$this->addMetric(array("U" => $c, "WX" => $font->normalizeFUnit($hmtx[$g][0]), "N" => isset($names[$g]) ? $names[$g] : \sprintf("uni%04x", $c), "G" => $g));
97	}
98	}
99	$this->endSection("CharMetrics");
100	$kern = $font->getData("kern", "subtable");
101	$tree = \is_array($kern) ? $kern["tree"] : null;
102	if (!$encoding && \is_array($tree)) {
103	$this->startSection("KernData");
104	$this->startSection("KernPairs", \count($tree, \COUNT_RECURSIVE) - \count($tree));
105	foreach ($tree as $left => $values) {
106	if (!\is_array($values)) {
107	continue;
108	}
109	if (!isset($glyphIndexArray[$left])) {
110	continue;
111	}
112	$left_gid = $glyphIndexArray[$left];
113	if (!isset($names[$left_gid])) {
114	continue;
115	}
116	$left_name = $names[$left_gid];
117	$this->addLine("");
118	foreach ($values as $right => $value) {
119	if (!isset($glyphIndexArray[$right])) {
120	continue;
121	}
122	$right_gid = $glyphIndexArray[$right];
123	if (!isset($names[$right_gid])) {
124	continue;
125	}
126	$right_name = $names[$right_gid];
127	$this->addPair("KPX", "{$left_name} {$right_name} {$value}");
128	}
129	}
130	$this->endSection("KernPairs");
131	$this->endSection("KernData");
132	}
133	}
134	$this->endSection("FontMetrics");
135	}
136	function addLine($line)
137	{
138	\fwrite($this->f, "{$line}\n");
139	}
140	function addPair($key, $value)
141	{
142	$this->addLine("{$key} {$value}");
143	}
144	function addArray($key, $array)
145	{
146	$this->addLine("{$key} " . \implode(" ", $array));
147	}
148	function addMetric($data)
149	{
150	$array = array();
151	foreach ($data as $key => $value) {
152	$array[] = "{$key} {$value}";
153	}
154	$this->addLine(\implode(" ; ", $array));
155	}
156	function startSection($name, $value = "")
157	{
158	$this->addLine("Start{$name} {$value}");
159	}
160	function endSection($name)
161	{
162	$this->addLine("End{$name}");
163	}
164	}
165