|
1
|
|
|
<?php |
|
2
|
|
|
|
|
3
|
|
|
namespace OneSheet\Size; |
|
4
|
|
|
|
|
5
|
|
|
/** |
|
6
|
|
|
* Class SizeCalculator to calculate the approximate width |
|
7
|
|
|
* of cells based on the current font, size and content. |
|
8
|
|
|
* |
|
9
|
|
|
* @package OneSheet\Size |
|
10
|
|
|
*/ |
|
11
|
|
|
class SizeCalculator |
|
12
|
|
|
{ |
|
13
|
|
|
/** |
|
14
|
|
|
* @var array |
|
15
|
|
|
*/ |
|
16
|
|
|
private $fonts; |
|
17
|
|
|
|
|
18
|
|
|
/** |
|
19
|
|
|
* @var array |
|
20
|
|
|
*/ |
|
21
|
|
|
private $sizes; |
|
22
|
|
|
|
|
23
|
|
|
/** |
|
24
|
|
|
* @param string|null $fontsDirectory |
|
25
|
|
|
*/ |
|
26
|
17 |
|
public function __construct($fontsDirectory) |
|
27
|
|
|
{ |
|
28
|
17 |
|
$this->findFonts($this->determineFontsDir($fontsDirectory)); |
|
29
|
17 |
|
} |
|
30
|
|
|
|
|
31
|
|
|
/** |
|
32
|
|
|
* Find fonts/paths in a given directory recursively. |
|
33
|
|
|
* |
|
34
|
|
|
* @param string|null $path |
|
35
|
|
|
* @return string|null |
|
36
|
|
|
*/ |
|
37
|
17 |
|
public function findFonts($path = null) |
|
38
|
|
|
{ |
|
39
|
17 |
|
foreach (glob($path . DIRECTORY_SEPARATOR . '*') as $path) { |
|
40
|
17 |
|
if (is_dir($path)) { |
|
41
|
17 |
|
$path = $this->findFonts($path); |
|
42
|
17 |
|
} elseif (preg_match('~(.+\..tf)$~i', $path, $m)) { |
|
43
|
17 |
|
$meta = new FontMeta($path); |
|
44
|
17 |
|
if (strlen($meta->getFontName())) { |
|
45
|
17 |
|
$this->fonts[$meta->getFontName()] = $path; |
|
46
|
17 |
|
} |
|
47
|
17 |
|
} |
|
48
|
17 |
|
} |
|
49
|
|
|
|
|
50
|
17 |
|
return $path; |
|
51
|
|
|
} |
|
52
|
|
|
|
|
53
|
|
|
/** |
|
54
|
|
|
* Return array of available font names and paths. |
|
55
|
|
|
* |
|
56
|
|
|
* @return array |
|
57
|
|
|
*/ |
|
58
|
1 |
|
public function getFonts() |
|
59
|
|
|
{ |
|
60
|
1 |
|
return $this->fonts; |
|
61
|
|
|
} |
|
62
|
|
|
|
|
63
|
|
|
/** |
|
64
|
|
|
* Get the calculated cell width for a given value. |
|
65
|
|
|
* |
|
66
|
|
|
* @param string $fontName |
|
67
|
|
|
* @param int $fontSize |
|
68
|
|
|
* @param mixed $value |
|
69
|
|
|
* |
|
70
|
|
|
* @return float|int |
|
71
|
|
|
*/ |
|
72
|
6 |
|
public function getCellWidth($fontName, $fontSize, $value) |
|
73
|
|
|
{ |
|
74
|
6 |
|
$width = 1; |
|
75
|
6 |
|
foreach ($this->getSingleCharacterArray($value) as $char) { |
|
76
|
6 |
|
$width += $this->getCharacterWidth($fontName, $fontSize, $char); |
|
77
|
6 |
|
} |
|
78
|
|
|
|
|
79
|
6 |
|
return $width; |
|
80
|
|
|
} |
|
81
|
|
|
|
|
82
|
|
|
/** |
|
83
|
|
|
* Get width of a single character. Calculate & cache if necessary. |
|
84
|
|
|
* |
|
85
|
|
|
* @param string $fontName |
|
86
|
|
|
* @param int $fontSize |
|
87
|
|
|
* @param string $char |
|
88
|
|
|
* |
|
89
|
|
|
* @return float |
|
90
|
|
|
*/ |
|
91
|
6 |
|
private function getCharacterWidth($fontName, $fontSize, $char) |
|
92
|
|
|
{ |
|
93
|
6 |
|
if (!isset($this->sizes[$fontName][$fontSize][$char])) { |
|
94
|
6 |
|
$this->sizes[$fontName][$fontSize][$char] = |
|
95
|
6 |
|
$this->calculateCharacterWith($fontName, $fontSize, $char); |
|
96
|
6 |
|
} |
|
97
|
|
|
|
|
98
|
6 |
|
return $this->sizes[$fontName][$fontSize][$char]; |
|
99
|
|
|
} |
|
100
|
|
|
|
|
101
|
|
|
/** |
|
102
|
|
|
* Calculate the width of a single character for the given fontname and size. |
|
103
|
|
|
* Create image that contains the character 100 times to get more accurate results. |
|
104
|
|
|
* |
|
105
|
|
|
* @param string $fontName |
|
106
|
|
|
* @param int $fontSize |
|
107
|
|
|
* @param string $char |
|
108
|
|
|
* |
|
109
|
|
|
* @return float |
|
110
|
|
|
*/ |
|
111
|
6 |
|
private function calculateCharacterWith($fontName, $fontSize, $char) |
|
112
|
|
|
{ |
|
113
|
6 |
|
if (isset($this->fonts[$fontName])) { |
|
114
|
1 |
|
$box = imageftbbox($fontSize, 0, $this->fonts[$fontName], str_repeat($char, 100)); |
|
115
|
1 |
|
$width = abs($box[4] - $box[0]) / 6.73 / 100; |
|
116
|
1 |
|
return round($width, 3); |
|
117
|
|
|
} |
|
118
|
|
|
|
|
119
|
5 |
|
return 0.1 * $fontSize; |
|
120
|
|
|
} |
|
121
|
|
|
|
|
122
|
|
|
/** |
|
123
|
|
|
* Split value into individual characters. |
|
124
|
|
|
* |
|
125
|
|
|
* @param mixed $value |
|
126
|
|
|
* @return array |
|
127
|
|
|
*/ |
|
128
|
6 |
|
private function getSingleCharacterArray($value) |
|
129
|
|
|
{ |
|
130
|
6 |
|
if (mb_strlen($value) == strlen($value)) { |
|
131
|
5 |
|
return str_split($value); |
|
132
|
|
|
} |
|
133
|
|
|
|
|
134
|
1 |
|
return preg_split('~~u', $value, -1, PREG_SPLIT_NO_EMPTY); |
|
135
|
|
|
} |
|
136
|
|
|
|
|
137
|
|
|
/** |
|
138
|
|
|
* Determine glob pattern by fonts directory. |
|
139
|
|
|
* |
|
140
|
|
|
* @param $fontsDirectory |
|
141
|
|
|
* @return string |
|
142
|
|
|
*/ |
|
143
|
17 |
|
private function determineFontsDir($fontsDirectory) |
|
144
|
|
|
{ |
|
145
|
17 |
|
if (!isset($fontsDirectory) || !is_dir($fontsDirectory)) { |
|
146
|
17 |
|
$fontsDirectory = '/usr/share/fonts/truetype'; |
|
147
|
17 |
|
if (false !== stripos(php_uname(), 'win')) { |
|
148
|
|
|
$fontsDirectory = 'C:/Windows/Fonts'; |
|
149
|
|
|
} |
|
150
|
17 |
|
} |
|
151
|
|
|
|
|
152
|
17 |
|
return rtrim($fontsDirectory, DIRECTORY_SEPARATOR); |
|
153
|
|
|
} |
|
154
|
|
|
} |
|
155
|
|
|
|
nimmneun /
onesheet
