font_table.cls.php
1.81 KB
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
<?php
/**
* @package php-font-lib
* @link http://php-font-lib.googlecode.com/
* @author Fabien Ménager <fabien.menager@gmail.com>
* @license http://www.gnu.org/copyleft/lesser.html GNU Lesser General Public License
* @version $Id: font_table.cls.php 37 2011-11-07 07:38:44Z fabien.menager $
*/
/**
* Generic font table.
*
* @package php-font-lib
*/
class Font_Table extends Font_Binary_Stream {
/**
* @var Font_Table_Directory_Entry
*/
protected $entry;
protected $def = array();
public $data;
final public function __construct(Font_Table_Directory_Entry $entry) {
$this->entry = $entry;
$entry->setTable($this);
}
/**
* @return Font_TrueType
*/
public function getFont(){
return $this->entry->getFont();
}
protected function _encode(){
if (empty($this->data)) {
Font::d(" >> Table is empty");
return 0;
}
return $this->getFont()->pack($this->def, $this->data);
}
protected function _parse(){
$this->data = $this->getFont()->unpack($this->def);
}
protected function _parseRaw(){
$this->data = $this->getFont()->read($this->entry->length);
}
protected function _encodeRaw(){
return $this->getFont()->write($this->data, $this->entry->length);
}
final public function encode(){
$this->entry->startWrite();
if (false && empty($this->def)) {
$length = $this->_encodeRaw();
}
else {
$length = $this->_encode();
}
$this->entry->endWrite();
return $length;
}
final public function parse(){
$this->entry->startRead();
if (false && empty($this->def)) {
$this->_parseRaw();
}
else {
$this->_parse();
}
$this->entry->endRead();
}
}