Unit.php
2.3 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
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
<?php
/*
PHPRtfLite
Copyright 2010-2012 Steffen Zeidler <sigma_z@sigma-scripts.de>
This file is part of PHPRtfLite.
PHPRtfLite is free software: you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
PHPRtfLite is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with PHPRtfLite. If not, see <http://www.gnu.org/licenses/>.
*/
/**
* unit class for working with twips in rtf.
* @version 1.2
* @author Steffen Zeidler <sigma_z@sigma-scripts.de>
* @copyright 2010-2012 Steffen Zeidler
*/
class PHPRtfLite_Unit
{
const UNIT_TWIPS = 1;
const UNIT_CM = 567;
const UNIT_INCH = 1440;
const UNIT_POINT = 14.988078;
/**
*
* @var float
*/
private static $_unit = self::UNIT_CM;
/**
* sets global unit
*
* @param string $unit
*/
public static function setGlobalUnit($unit)
{
self::$_unit = $unit;
}
/**
* gets global unit
*
* @return string
*/
public static function getGlobalUnit()
{
return self::$_unit;
}
/**
* gets unit in twips
*
* @param float $value
* @return float
*/
public static function getUnitInTwips($value)
{
return round($value * self::$_unit);
}
/**
* gets points in twips
*
* @param float $value
* @return integer
*/
public static function getPointsInTwips($value)
{
return round($value * self::UNIT_POINT);
}
/**
* converts the value to another unit
*
* @param float $value
* @param float $unitFrom
* @param float $unitTo
* @return float
*/
public static function convertTo($value, $unitFrom, $unitTo)
{
if ($unitTo == $unitFrom) {
return $value;
}
return ($value * $unitFrom) / $unitTo;
}
}