|
1
|
|
|
<?php |
|
2
|
|
|
/** |
|
3
|
|
|
* Mapper for mapping data between raw input and a Height VO |
|
4
|
|
|
* |
|
5
|
|
|
* @link http://github.com/PHPExif/php-exif-native for the canonical source repository |
|
6
|
|
|
* @copyright Copyright (c) 2016 Tom Van Herreweghe <[email protected]> |
|
7
|
|
|
* @license http://github.com/PHPExif/php-exif-native/blob/master/LICENSE MIT License |
|
8
|
|
|
* @category PHPExif |
|
9
|
|
|
* @package Native |
|
10
|
|
|
*/ |
|
11
|
|
|
|
|
12
|
|
|
namespace PHPExif\Adapter\Native\Reader\Mapper\Exif; |
|
13
|
|
|
|
|
14
|
|
|
use PHPExif\Common\Data\ExifInterface; |
|
15
|
|
|
use PHPExif\Common\Data\ValueObject\Coordinates; |
|
16
|
|
|
use PHPExif\Common\Data\ValueObject\DigitalDegrees; |
|
17
|
|
|
use PHPExif\Common\Mapper\FieldMapper; |
|
18
|
|
|
use PHPExif\Common\Mapper\GuardInvalidArgumentsForExifTrait; |
|
19
|
|
|
|
|
20
|
|
|
/** |
|
21
|
|
|
* Mapper |
|
22
|
|
|
* |
|
23
|
|
|
* @category PHPExif |
|
24
|
|
|
* @package Native |
|
25
|
|
|
*/ |
|
26
|
|
|
class CoordinatesFieldMapper implements FieldMapper |
|
27
|
|
|
{ |
|
28
|
|
|
use GuardInvalidArgumentsForExifTrait; |
|
29
|
|
|
|
|
30
|
|
|
/** |
|
31
|
|
|
* {@inheritDoc} |
|
32
|
|
|
*/ |
|
33
|
|
|
public function getSupportedFields() |
|
34
|
|
|
{ |
|
35
|
|
|
return array( |
|
36
|
|
|
Coordinates::class, |
|
37
|
|
|
); |
|
38
|
|
|
} |
|
39
|
|
|
|
|
40
|
|
|
/** |
|
41
|
|
|
* {@inheritDoc} |
|
42
|
|
|
*/ |
|
43
|
|
|
public function mapField($field, array $input, &$output) |
|
44
|
|
|
{ |
|
45
|
|
|
$this->guardInvalidArguments($field, $input, $output); |
|
46
|
|
|
|
|
47
|
|
|
if (!(array_key_exists('gpslatitude', $input) && array_key_exists('gpslongitude', $input))) { |
|
48
|
|
|
return; |
|
49
|
|
|
} |
|
50
|
|
|
|
|
51
|
|
|
$latitude = $this->extractGpsCoordinate($input['gpslatitude']); |
|
52
|
|
|
$longitude = $this->extractGpsCoordinate($input['gpslongitude']); |
|
53
|
|
|
$latitudeRef = empty($input['gpslatituderef'][0]) ? 'N' : $input['gpslatituderef'][0]; |
|
54
|
|
|
$longitudeRef = empty($input['gpslongituderef'][0]) ? 'E' : $input['gpslongituderef'][0]; |
|
55
|
|
|
|
|
56
|
|
|
$coordinates = new Coordinates( |
|
57
|
|
|
new DigitalDegrees( |
|
58
|
|
|
round((strtoupper($latitudeRef) === 'S' ? -1 : 1) * $latitude, 6) |
|
59
|
|
|
), |
|
60
|
|
|
new DigitalDegrees( |
|
61
|
|
|
round((strtoupper($longitudeRef) === 'W' ? -1 : 1) * $longitude, 6) |
|
62
|
|
|
) |
|
63
|
|
|
); |
|
64
|
|
|
|
|
65
|
|
|
$output = $output->withCoordinates($coordinates); |
|
66
|
|
|
} |
|
67
|
|
|
|
|
68
|
|
|
/** |
|
69
|
|
|
* Extract & convert GPS coordinate to digital degrees |
|
70
|
|
|
* |
|
71
|
|
|
* @param array $data |
|
72
|
|
|
* |
|
73
|
|
|
* @return float |
|
74
|
|
|
*/ |
|
75
|
|
|
protected function extractGpsCoordinate(array $data) |
|
76
|
|
|
{ |
|
77
|
|
|
// make sure we always have 3 components |
|
78
|
|
|
$default = [0, 0, 0]; |
|
79
|
|
|
$data = array_replace($default, $data); |
|
80
|
|
|
|
|
81
|
|
|
// normalize the components |
|
82
|
|
|
array_walk($data, array($this, 'normalizeCoordinatePartData')); |
|
83
|
|
|
|
|
84
|
|
|
// convert to digital degrees |
|
85
|
|
|
return floatval($data[0]) + floatval($data[1]/60) + floatval($data[2]/3600); |
|
86
|
|
|
} |
|
87
|
|
|
|
|
88
|
|
|
/** |
|
89
|
|
|
* Converts notations like 5610/100 to 56.1 |
|
90
|
|
|
* |
|
91
|
|
|
* @param mixed $data |
|
92
|
|
|
*/ |
|
93
|
|
|
protected function normalizeCoordinatePartData(&$data) |
|
94
|
|
|
{ |
|
95
|
|
|
$parts = explode('/', $data); |
|
96
|
|
|
|
|
97
|
|
|
if (count($parts) == 1) { |
|
98
|
|
|
return $parts[0]; |
|
99
|
|
|
} |
|
100
|
|
|
|
|
101
|
|
|
$data = floatval($parts[0]) / floatval($parts[1]); |
|
102
|
|
|
} |
|
103
|
|
|
} |
|
104
|
|
|
|
PHPExif /
php-exif-native
