|
1
|
|
|
<?php |
|
2
|
|
|
|
|
3
|
|
|
/* |
|
4
|
|
|
* This file is part of the `liip/LiipImagineBundle` project. |
|
5
|
|
|
* |
|
6
|
|
|
* (c) https://github.com/liip/LiipImagineBundle/graphs/contributors |
|
7
|
|
|
* |
|
8
|
|
|
* For the full copyright and license information, please view the LICENSE.md |
|
9
|
|
|
* file that was distributed with this source code. |
|
10
|
|
|
*/ |
|
11
|
|
|
|
|
12
|
|
|
namespace Liip\ImagineBundle\Imagine\Filter\Loader; |
|
13
|
|
|
|
|
14
|
|
|
use Imagine\Image\ImageInterface; |
|
15
|
|
|
use Imagine\Image\ImagineInterface; |
|
16
|
|
|
use Liip\ImagineBundle\Exception\Imagine\Filter\LoadFilterException; |
|
17
|
|
|
use Liip\ImagineBundle\Utility\OptionsResolver\OptionsResolver; |
|
18
|
|
|
use Liip\ImagineBundle\Exception\InvalidArgumentException; |
|
19
|
|
|
use Symfony\Component\OptionsResolver\Options; |
|
20
|
|
|
use Symfony\Component\OptionsResolver\Exception\ExceptionInterface; |
|
21
|
|
|
|
|
22
|
|
|
class ResampleFilterLoader implements LoaderInterface |
|
23
|
|
|
{ |
|
24
|
|
|
/** |
|
25
|
|
|
* @var ImagineInterface |
|
26
|
|
|
*/ |
|
27
|
|
|
private $imagine; |
|
28
|
|
|
|
|
29
|
|
|
/** |
|
30
|
|
|
* @param ImagineInterface $imagine |
|
31
|
|
|
*/ |
|
32
|
|
|
public function __construct(ImagineInterface $imagine) |
|
33
|
|
|
{ |
|
34
|
|
|
$this->imagine = $imagine; |
|
35
|
|
|
} |
|
36
|
|
|
|
|
37
|
|
|
/** |
|
38
|
|
|
* @param ImageInterface $image |
|
39
|
|
|
* @param array $options |
|
40
|
|
|
* |
|
41
|
|
|
* @throws LoadFilterException |
|
42
|
|
|
* |
|
43
|
|
|
* @return ImageInterface |
|
44
|
|
|
*/ |
|
45
|
|
|
public function load(ImageInterface $image, array $options = array()) |
|
46
|
|
|
{ |
|
47
|
|
|
$options = $this->resolveOptions($options); |
|
48
|
|
|
$tmpFile = $this->getTemporaryFile($options['temp_dir']); |
|
49
|
|
|
|
|
50
|
|
|
try { |
|
51
|
|
|
$image->save($tmpFile, $this->getImagineSaveOptions($options)); |
|
52
|
|
|
$image = $this->imagine->open($tmpFile); |
|
53
|
|
|
$this->delTemporaryFile($tmpFile); |
|
54
|
|
|
} catch (\Exception $exception) { |
|
55
|
|
|
$this->delTemporaryFile($tmpFile); |
|
56
|
|
|
throw new LoadFilterException('Unable to save/open file in resample filter loader.', null, $exception); |
|
57
|
|
|
} |
|
58
|
|
|
|
|
59
|
|
|
return $image; |
|
60
|
|
|
} |
|
61
|
|
|
|
|
62
|
|
|
/** |
|
63
|
|
|
* @param string $path |
|
64
|
|
|
* |
|
65
|
|
|
* @throws \RuntimeException |
|
66
|
|
|
* |
|
67
|
|
|
* @return string |
|
68
|
|
|
*/ |
|
69
|
|
|
private function getTemporaryFile($path) |
|
70
|
|
|
{ |
|
71
|
|
|
if (!is_dir($path) || false === $file = tempnam($path, 'liip-imagine-bundle')) { |
|
72
|
|
|
throw new \RuntimeException(sprintf('Unable to create temporary file in "%s" base path.', $path)); |
|
73
|
|
|
} |
|
74
|
|
|
|
|
75
|
|
|
return $file; |
|
76
|
|
|
} |
|
77
|
|
|
|
|
78
|
|
|
/** |
|
79
|
|
|
* @param $file |
|
80
|
|
|
* |
|
81
|
|
|
* @throws \RuntimeException |
|
82
|
|
|
*/ |
|
83
|
|
|
private function delTemporaryFile($file) |
|
84
|
|
|
{ |
|
85
|
|
|
if (file_exists($file)) { |
|
86
|
|
|
unlink($file); |
|
87
|
|
|
} |
|
88
|
|
|
} |
|
89
|
|
|
|
|
90
|
|
|
/** |
|
91
|
|
|
* @param array $options |
|
92
|
|
|
* |
|
93
|
|
|
* @return array |
|
94
|
|
|
*/ |
|
95
|
|
|
private function getImagineSaveOptions(array $options) |
|
96
|
|
|
{ |
|
97
|
|
|
$saveOptions = array( |
|
98
|
|
|
'resolution-units' => $options['unit'], |
|
99
|
|
|
'resolution-x' => $options['x'], |
|
100
|
|
|
'resolution-y' => $options['y'], |
|
101
|
|
|
); |
|
102
|
|
|
|
|
103
|
|
|
if (isset($options['filter'])) { |
|
104
|
|
|
$saveOptions['resampling-filter'] = $options['filter']; |
|
105
|
|
|
} |
|
106
|
|
|
|
|
107
|
|
|
return $saveOptions; |
|
108
|
|
|
} |
|
109
|
|
|
|
|
110
|
|
|
/** |
|
111
|
|
|
* @param array $options |
|
112
|
|
|
* |
|
113
|
|
|
* @return array |
|
114
|
|
|
*/ |
|
115
|
|
|
private function resolveOptions(array $options) |
|
116
|
|
|
{ |
|
117
|
|
|
$resolver = new OptionsResolver(); |
|
118
|
|
|
|
|
119
|
|
|
$resolver->setRequired(array('x', 'y', 'unit', 'temp_dir')); |
|
120
|
|
|
$resolver->setDefined(array('filter')); |
|
121
|
|
|
$resolver->setDefault('temp_dir', sys_get_temp_dir()); |
|
122
|
|
|
$resolver->setDefault('filter', 'UNDEFINED'); |
|
123
|
|
|
|
|
124
|
|
|
$resolver->setAllowedTypes('x', array('int', 'float')); |
|
125
|
|
|
$resolver->setAllowedTypes('y', array('int', 'float')); |
|
126
|
|
|
$resolver->setAllowedTypes('temp_dir', array('string')); |
|
127
|
|
|
$resolver->setAllowedTypes('filter', array('string')); |
|
128
|
|
|
|
|
129
|
|
|
$resolver->setAllowedValues('unit', array( |
|
130
|
|
|
ImageInterface::RESOLUTION_PIXELSPERINCH, |
|
131
|
|
|
ImageInterface::RESOLUTION_PIXELSPERCENTIMETER, |
|
132
|
|
|
)); |
|
133
|
|
|
|
|
134
|
|
|
$resolver->setNormalizer('filter', function (Options $options, $value) { |
|
135
|
|
|
foreach (array('\Imagine\Image\ImageInterface::FILTER_%s', '\Imagine\Image\ImageInterface::%s', '%s') as $format) { |
|
136
|
|
|
if (defined($constant = sprintf($format, strtoupper($value))) || defined($constant = sprintf($format, $value))) { |
|
137
|
|
|
return constant($constant); |
|
138
|
|
|
} |
|
139
|
|
|
} |
|
140
|
|
|
|
|
141
|
|
|
throw new InvalidArgumentException( |
|
142
|
|
|
'Invalid value for "filter" option: must be a valid constant resolvable using one of formats '. |
|
143
|
|
|
'"\Imagine\Image\ImageInterface::FILTER_%s", "\Imagine\Image\ImageInterface::%s", or "%s".' |
|
144
|
|
|
); |
|
145
|
|
|
}); |
|
146
|
|
|
|
|
147
|
|
|
try { |
|
148
|
|
|
return $resolver->resolve($options); |
|
149
|
|
|
} catch (ExceptionInterface $exception) { |
|
150
|
|
|
throw new InvalidArgumentException(sprintf('Invalid option(s) passed to %s::load().', __CLASS__), null, $exception); |
|
151
|
|
|
} |
|
152
|
|
|
} |
|
153
|
|
|
} |
|
154
|
|
|
|
liip /
LiipImagineBundle
