|
1
|
|
|
<?php |
|
2
|
|
|
|
|
3
|
|
|
namespace Ottosmops\Pdftothumb; |
|
4
|
|
|
|
|
5
|
|
|
use Symfony\Component\Process\Process; |
|
6
|
|
|
|
|
7
|
|
|
use Ottosmops\Pdftothumb\Exceptions\CouldNotConvertPdf; |
|
8
|
|
|
use Ottosmops\Pdftothumb\Exceptions\FileNotFound; |
|
9
|
|
|
use Ottosmops\Pdftothumb\Exceptions\BinaryNotFound; |
|
10
|
|
|
use Ottosmops\Pdftothumb\Exceptions\FileFormatNotAllowed; |
|
11
|
|
|
|
|
12
|
|
|
|
|
13
|
|
|
class Converter |
|
14
|
|
|
{ |
|
15
|
|
|
public $executable = ''; |
|
16
|
|
|
|
|
17
|
|
|
protected $options = []; |
|
18
|
|
|
|
|
19
|
|
|
protected $source = ''; |
|
20
|
|
|
|
|
21
|
|
|
protected $target = ''; |
|
22
|
|
|
|
|
23
|
|
|
protected $extension = ''; |
|
24
|
|
|
|
|
25
|
|
|
// cf https://www.systutorials.com/docs/linux/man/1-pdftoppm/ |
|
26
|
|
|
public $exitCodes = [ |
|
27
|
|
|
0 => 'No error.', |
|
28
|
|
|
1 => 'Error opening a PDF file.', |
|
29
|
|
|
2 => 'Error opening an output file.', |
|
30
|
|
|
3 => 'Error related to PDF permissions.', |
|
31
|
|
|
99 => 'Other error.' |
|
32
|
|
|
]; |
|
33
|
|
|
|
|
34
|
|
|
|
|
35
|
13 |
|
public function __construct(string $source, string $target = '', $executable = '') |
|
36
|
|
|
{ |
|
37
|
13 |
|
$this->executable = $executable ? $executable : 'pdftoppm'; |
|
38
|
13 |
|
$this->format('jpeg'); |
|
39
|
13 |
|
$this->extension('jpg'); |
|
40
|
13 |
|
$this->page(1); |
|
41
|
13 |
|
$this->scaleTo(150); |
|
42
|
|
|
|
|
43
|
13 |
|
$this->source($source); |
|
44
|
13 |
|
if (!is_file($source)) { |
|
45
|
1 |
|
throw new FileNotFound("could not find pdf {$source}"); |
|
46
|
|
|
} |
|
47
|
12 |
|
if (!$target) { |
|
48
|
12 |
|
$this->target = pathinfo($this->source, PATHINFO_DIRNAME).'/'.pathinfo($this->source, PATHINFO_FILENAME); |
|
49
|
|
|
} else { |
|
50
|
|
|
$this->target($target); |
|
51
|
|
|
} |
|
52
|
|
|
|
|
53
|
12 |
|
} |
|
54
|
|
|
|
|
55
|
12 |
|
public static function create(string $source, string $target = '', string $executable = '') |
|
56
|
|
|
{ |
|
57
|
12 |
|
return (new static($source, $target, $executable)); |
|
58
|
|
|
} |
|
59
|
|
|
|
|
60
|
1 |
|
public function executable(string $executable) |
|
61
|
|
|
{ |
|
62
|
1 |
|
$this->executable = $executable; |
|
63
|
1 |
|
return $this; |
|
64
|
|
|
} |
|
65
|
|
|
|
|
66
|
13 |
|
protected function source(string $source) |
|
67
|
|
|
{ |
|
68
|
13 |
|
$this->source = $source; |
|
69
|
13 |
|
return $this; |
|
70
|
|
|
} |
|
71
|
|
|
|
|
72
|
3 |
|
public function target(string $target = null) |
|
73
|
|
|
{ |
|
74
|
3 |
|
$this->target = pathinfo($target, PATHINFO_DIRNAME) . '/' . pathinfo($target, PATHINFO_FILENAME); |
|
75
|
3 |
|
return $this; |
|
76
|
|
|
} |
|
77
|
|
|
|
|
78
|
13 |
|
public function scaleTo(int $scaleTo) |
|
79
|
|
|
{ |
|
80
|
13 |
|
$this->options['scale-to'] = '-scale-to ' . (string) $scaleTo; |
|
81
|
13 |
|
return $this; |
|
82
|
|
|
} |
|
83
|
|
|
|
|
84
|
13 |
|
public function firstPage(int $firstPage) |
|
85
|
|
|
{ |
|
86
|
13 |
|
$this->options['firstPage'] = '-f ' . (string) $firstPage; |
|
87
|
13 |
|
return $this; |
|
88
|
|
|
} |
|
89
|
|
|
|
|
90
|
13 |
|
public function lastPage(int $lastPage) |
|
91
|
|
|
{ |
|
92
|
13 |
|
$this->options['lastPage'] = '-l ' . (string) $lastPage; |
|
93
|
13 |
|
return $this; |
|
94
|
|
|
} |
|
95
|
|
|
|
|
96
|
13 |
|
public function page(int $page) |
|
97
|
|
|
{ |
|
98
|
13 |
|
$this->firstPage($page); |
|
99
|
13 |
|
$this->lastPage($page); |
|
100
|
13 |
|
return $this; |
|
101
|
|
|
} |
|
102
|
|
|
|
|
103
|
13 |
|
public function format(string $format) |
|
104
|
|
|
{ |
|
105
|
13 |
|
$this->options['format'] = '-' . $this->normalizeFormat($format); |
|
106
|
13 |
|
$this->actualizeExtension(); |
|
107
|
|
|
|
|
108
|
13 |
|
return $this; |
|
109
|
|
|
} |
|
110
|
|
|
|
|
111
|
13 |
|
protected function actualizeExtension() |
|
112
|
|
|
{ |
|
113
|
13 |
|
$this->options['format'] == '-jpeg' && $this->extension('jpg'); |
|
114
|
13 |
|
$this->options['format'] == '-tiff' && $this->extension('tif'); |
|
115
|
13 |
|
$this->options['format'] == '-png' && $this->extension('png'); |
|
116
|
13 |
|
} |
|
117
|
|
|
|
|
118
|
13 |
|
protected function normalizeFormat(string $format) |
|
119
|
|
|
{ |
|
120
|
13 |
|
$format = strtolower($format); |
|
121
|
13 |
|
$format = $format == 'jpg' ? 'jpeg' : $format; |
|
122
|
13 |
|
$format = $format == 'tif' ? 'tiff' : $format; |
|
123
|
|
|
|
|
124
|
13 |
|
$formats = ['jpeg', 'png', 'tiff']; |
|
125
|
|
|
|
|
126
|
13 |
|
if (!in_array($format, $formats)) { |
|
127
|
1 |
|
throw new FileFormatNotAllowed("fileformat not allowed {$format}"); |
|
128
|
|
|
} |
|
129
|
13 |
|
return $format; |
|
130
|
|
|
} |
|
131
|
|
|
|
|
132
|
13 |
|
protected function extension($extension = null) |
|
133
|
|
|
{ |
|
134
|
13 |
|
$this->extension = $extension; |
|
135
|
13 |
|
return $this; |
|
136
|
|
|
} |
|
137
|
|
|
|
|
138
|
1 |
|
public function addOption(string $options) |
|
139
|
|
|
{ |
|
140
|
1 |
|
$this->options[] = $options; |
|
141
|
1 |
|
return $this; |
|
142
|
|
|
} |
|
143
|
|
|
|
|
144
|
1 |
|
public function setOptions(string $options) |
|
145
|
|
|
{ |
|
146
|
1 |
|
$this->options = [$options]; |
|
147
|
1 |
|
return $this; |
|
148
|
|
|
} |
|
149
|
|
|
|
|
150
|
11 |
|
public function command() |
|
151
|
|
|
{ |
|
152
|
11 |
|
$options = join(' ', $this->options); |
|
153
|
11 |
|
$command = "{$this->executable} {$options} '{$this->source}' > '{$this->target}.{$this->extension}'"; |
|
154
|
11 |
|
return $command; |
|
155
|
|
|
} |
|
156
|
|
|
|
|
157
|
|
|
/** |
|
158
|
|
|
* extract text |
|
159
|
|
|
* @return string |
|
160
|
|
|
*/ |
|
161
|
8 |
|
public function convert() |
|
162
|
|
|
{ |
|
163
|
8 |
|
$process = new Process($this->command()); |
|
164
|
8 |
|
$process->run(); |
|
165
|
|
|
|
|
166
|
8 |
|
if (!$process->isSuccessful()) { |
|
167
|
1 |
|
throw new CouldNotConvertPdf($process); |
|
168
|
|
|
} |
|
169
|
|
|
|
|
170
|
7 |
|
return $process->getExitCode(); |
|
171
|
|
|
} |
|
172
|
|
|
} |
|
173
|
|
|
|
ottosmops /
pdftothumb
