/
ImageInspector.php
109 lines (102 loc) · 3.17 KB
/
ImageInspector.php
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
107
108
109
<?php
namespace Concrete\Core\File\Type\Inspector;
use Concrete\Core\Entity\File\Version;
use Concrete\Core\Support\Facade\Application;
use Exception;
use Imagine\Image\ImageInterface;
use Throwable;
/**
* An inspector to process image files.
*/
class ImageInspector extends Inspector
{
/**
* {@inheritdoc}
*
* @see \Concrete\Core\File\Type\Inspector\Inspector::inspect()
*/
public function inspect(Version $fv)
{
try {
$image = $fv->getImagineImage() ?: null;
} catch (Exception $x) {
$image = null;
} catch (Throwable $x) {
$image = null;
}
if ($image !== null) {
$app = Application::getFacadeApplication();
$config = $app->make('config');
$this->updateSize($fv, $image);
if ($config->get('concrete.file_manager.images.use_exif_data_to_rotate_images')) {
$this->fixOrientation($fv, $image);
}
$fv->releaseImagineImage();
}
}
/**
* Update the width and height attributes of the file version starting from the image data.
*
* @param Version $fv
* @param ImageInterface $image
*
* @return bool true if success, false otherwise
*/
private function updateSize(Version $fv, ImageInterface $image)
{
$result = false;
try {
$size = $image->getSize();
} catch (Exception $x) {
$size = null;
} catch (Throwable $x) {
$size = null;
}
if ($size !== null) {
$attributeCategory = $fv->getObjectAttributeCategory();
$atWidth = $attributeCategory->getAttributeKeyByHandle('width');
if ($atWidth !== null) {
$fv->setAttribute($atWidth, $size->getWidth());
}
$atHeight = $attributeCategory->getAttributeKeyByHandle('height');
if ($atHeight !== null) {
$fv->setAttribute($atHeight, $size->getHeight());
}
$result = true;
}
return $result;
}
/**
* Fix the orientation of the file accordingly to the EXIF metadata.
*
* @param Version $fv
* @param ImageInterface $image
*
* @return bool true if changed, false otherwise
*/
private function fixOrientation(Version $fv, ImageInterface $image)
{
$result = false;
$metadata = $image->metadata();
if (isset($metadata['ifd0.Orientation'])) {
switch ($metadata['ifd0.Orientation']) {
case 3:
$image->rotate(180);
$fv->updateContents($image->get($fv->getExtension()));
$result = true;
break;
case 6:
$image->rotate(90);
$fv->updateContents($image->get($fv->getExtension()));
$result = true;
break;
case 8:
$image->rotate(-90);
$fv->updateContents($image->get($fv->getExtension()));
$result = true;
break;
}
}
return $result;
}
}