1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
|
<?php
/**
* @package php-font-lib
* @link https://github.com/PhenX/php-font-lib
* @author Fabien Ménager <fabien.menager@gmail.com>
* @license http://www.gnu.org/copyleft/lesser.html GNU Lesser General Public License
*/
require_once dirname(__FILE__) . "/Encoding_Map.php";
/**
* Adobe Font Metrics file creation utility class.
*
* @package php-font-lib
*/
class Adobe_Font_Metrics {
private $f;
/**
* @var Font_TrueType
*/
private $font;
function __construct(Font_TrueType $font) {
$this->font = $font;
}
function write($file, $encoding = null){
$map_data = array();
if ($encoding) {
$encoding = preg_replace("/[^a-z0-9-_]/", "", $encoding);
$map_file = dirname(__FILE__)."/../maps/$encoding.map";
if (!file_exists($map_file)) {
throw new Exception("Unkown encoding ($encoding)");
}
$map = new Encoding_Map($map_file);
$map_data = $map->parse();
}
$this->f = fopen($file, "w+");
$font = $this->font;
$this->startSection("FontMetrics", 4.1);
$this->addPair("Notice", "Converted by PHP-font-lib");
$this->addPair("Comment", "https://github.com/PhenX/php-font-lib");
$encoding_scheme = ($encoding ? $encoding : "FontSpecific");
$this->addPair("EncodingScheme", $encoding_scheme);
$records = $font->getData("name", "records");
foreach($records as $id => $record) {
if (!isset(Font_Table_name::$nameIdCodes[$id]) || preg_match("/[\r\n]/", $record->string)) {
continue;
}
$this->addPair(Font_Table_name::$nameIdCodes[$id], $record->string);
}
$os2 = $font->getData("OS/2");
$this->addPair("Weight", ($os2["usWeightClass"] > 400 ? "Bold" : "Medium"));
$post = $font->getData("post");
$this->addPair("ItalicAngle", $post["italicAngle"]);
$this->addPair("IsFixedPitch", ($post["isFixedPitch"] ? "true" : "false"));
$this->addPair("UnderlineThickness", $font->normalizeFUnit($post["underlineThickness"]));
$this->addPair("UnderlinePosition", $font->normalizeFUnit($post["underlinePosition"]));
$hhea = $font->getData("hhea");
if (isset($hhea["ascent"])) {
$this->addPair("FontHeightOffset", $font->normalizeFUnit($hhea["lineGap"]));
$this->addPair("Ascender", $font->normalizeFUnit($hhea["ascent"]));
$this->addPair("Descender", $font->normalizeFUnit($hhea["descent"]));
}
else {
$this->addPair("FontHeightOffset", $font->normalizeFUnit($os2["typoLineGap"]));
$this->addPair("Ascender", $font->normalizeFUnit($os2["typoAscender"]));
$this->addPair("Descender", -abs($font->normalizeFUnit($os2["typoDescender"])));
}
$head = $font->getData("head");
$this->addArray("FontBBox", array(
$font->normalizeFUnit($head["xMin"]),
$font->normalizeFUnit($head["yMin"]),
$font->normalizeFUnit($head["xMax"]),
$font->normalizeFUnit($head["yMax"]),
));
$glyphIndexArray = $font->getUnicodeCharMap();
if ($glyphIndexArray) {
$hmtx = $font->getData("hmtx");
$names = $font->getData("post", "names");
$this->startSection("CharMetrics", count($hmtx));
if ($encoding) {
foreach($map_data as $code => $value) {
list($c, $name) = $value;
if (!isset($glyphIndexArray[$c])) continue;
$g = $glyphIndexArray[$c];
if (!isset($hmtx[$g])) {
$hmtx[$g] = $hmtx[0];
}
$this->addMetric(array(
"C" => ($code > 255 ? -1 : $code),
"WX" => $font->normalizeFUnit($hmtx[$g][0]),
"N" => $name,
));
}
}
else {
foreach($glyphIndexArray as $c => $g) {
if (!isset($hmtx[$g])) {
$hmtx[$g] = $hmtx[0];
}
$this->addMetric(array(
"U" => $c,
"WX" => $font->normalizeFUnit($hmtx[$g][0]),
"N" => (isset($names[$g]) ? $names[$g] : sprintf("uni%04x", $c)),
"G" => $g,
));
}
}
$this->endSection("CharMetrics");
$kern = $font->getData("kern", "subtable");
$tree = $kern["tree"];
if (!$encoding && is_array($tree)) {
$this->startSection("KernData");
$this->startSection("KernPairs", count($tree, COUNT_RECURSIVE) - count($tree));
foreach($tree as $left => $values) {
if (!is_array($values)) continue;
if (!isset($glyphIndexArray[$left])) continue;
$left_gid = $glyphIndexArray[$left];
if (!isset($names[$left_gid])) continue;
$left_name = $names[$left_gid];
$this->addLine("");
foreach($values as $right => $value) {
if (!isset($glyphIndexArray[$right])) continue;
$right_gid = $glyphIndexArray[$right];
if (!isset($names[$right_gid])) continue;
$right_name = $names[$right_gid];
$this->addPair("KPX", "$left_name $right_name $value");
}
}
$this->endSection("KernPairs");
$this->endSection("KernData");
}
}
$this->endSection("FontMetrics");
}
function addLine($line) {
fwrite($this->f, "$line\n");
}
function addPair($key, $value) {
$this->addLine("$key $value");
}
function addArray($key, $array) {
$this->addLine("$key ".implode(" ", $array));
}
function addMetric($data) {
$array = array();
foreach($data as $key => $value) {
$array[] = "$key $value";
}
$this->addLine(implode(" ; ", $array));
}
function startSection($name, $value = "") {
$this->addLine("Start$name $value");
}
function endSection($name) {
$this->addLine("End$name");
}
}
|