1
|
|
|
<?php |
2
|
|
|
namespace nstdio\svg\util\transform; |
3
|
|
|
|
4
|
|
|
/** |
5
|
|
|
* Class TransformMatcher |
6
|
|
|
* |
7
|
|
|
* @package nstdio\svg\util |
8
|
|
|
* @author Edgar Asatryan <[email protected]> |
9
|
|
|
*/ |
10
|
|
|
class TransformMatcher implements TransformMatcherInterface |
11
|
|
|
{ |
12
|
|
|
const ROTATE_PATTERN = "/rotate\s*\(\s*(?<a>[+-]?\d+(?:\.\d+)?)((?:\s{1,}\,?\s*|\,\s*)(?<x>[+-]?\d+(?:\.\d+)?)(?:\s{1,}\,?\s*|\,\s*)(?<y>[+-]?\d+(?:\.\d+)?))?\s*\)/"; |
13
|
|
|
|
14
|
|
|
const TRANSLATE_PATTERN = "/translate\s*\(\s*(?<x>[+-]?\d+(?:\.\d+)?)((?:\s{1,}\,?\s*|\,\s*)(?<y>[+-]?\d+(?:\.\d+)?))?\)/"; |
15
|
|
|
|
16
|
|
|
const SCALE_PATTERN = "/scale\s*\(\s*(?<x>[+-]?\d+(?:\.\d+)?)((?:\s{1,}\,?\s*|\,\s*)(?<y>[+-]?\d+(?:\.\d+)?))?\)/"; |
17
|
|
|
|
18
|
|
|
const SKEWX_PATTERN = "/skewX\s*\(\s*(?<x>[+-]?\d+(?:\.\d+)?)?\)/"; |
19
|
|
|
|
20
|
|
|
const SKEWY_PATTERN = "/skewY\s*\(\s*(?<y>[+-]?\d+(?:\.\d+)?)?\)/"; |
21
|
|
|
|
22
|
|
|
const MATRIX_PATTERN = "/matrix\s*\(\s*((([+-]?\d+(?:\.\d+)?)(?:\s+,?\s*|,\s*)){5}([+-]?\d+(?:\.\d+)?)\s*)\)/"; |
23
|
|
|
|
24
|
|
|
public function makeSequence($transform) |
25
|
|
|
{ |
26
|
|
|
preg_match_all("/\s*(matrix|translate|scale|rotate|skew[XY])/i", $transform, $matches); |
27
|
|
|
|
28
|
|
|
return $matches[1]; |
29
|
|
|
} |
30
|
|
|
|
31
|
|
|
public function matchRotate($transform) |
32
|
|
|
{ |
33
|
|
|
return $this->matchPattern(self::ROTATE_PATTERN, $transform, ['a', 'x', 'y']); |
34
|
|
|
} |
35
|
|
|
|
36
|
|
|
private function matchPattern($pattern, $transform, $named) |
37
|
|
|
{ |
38
|
|
|
preg_match($pattern, $transform, $matches); |
39
|
|
|
$ret = []; |
40
|
|
|
foreach ($named as $value) { |
41
|
|
|
$ret[] = isset($matches[$value]) ? floatval($matches[$value]) : null; |
42
|
|
|
} |
43
|
|
|
|
44
|
|
|
return $ret; |
45
|
|
|
} |
46
|
|
|
|
47
|
|
|
public function matchSkewX($transform) |
48
|
|
|
{ |
49
|
|
|
return $this->matchPattern(self::SKEWX_PATTERN, $transform, ['x']); |
50
|
|
|
} |
51
|
|
|
|
52
|
|
|
public function matchSkewY($transform) |
53
|
|
|
{ |
54
|
|
|
return $this->matchPattern(self::SKEWY_PATTERN, $transform, ['y']); |
55
|
|
|
} |
56
|
|
|
|
57
|
|
|
public function matchScale($transform) |
58
|
|
|
{ |
59
|
|
|
return $this->matchPattern(self::SCALE_PATTERN, $transform, ['x', 'y']); |
60
|
|
|
} |
61
|
|
|
|
62
|
|
|
public function matchTranslate($transform) |
63
|
|
|
{ |
64
|
|
|
return $this->matchPattern(self::TRANSLATE_PATTERN, $transform, ['x', 'y']); |
65
|
|
|
} |
66
|
|
|
|
67
|
|
|
public function matchMatrix($transform) |
68
|
|
|
{ |
69
|
|
|
preg_match(self::MATRIX_PATTERN, $transform, $matches); |
70
|
|
|
if (isset($matches[1]) === false) { |
71
|
|
|
throw new \InvalidArgumentException("Cannot match matrix transformation."); |
72
|
|
|
} |
73
|
|
|
|
74
|
|
|
$matrix = explode(' ', preg_replace(['/\s+/', '/\,+/'], [' ', ''], $matches[1]), 6); |
75
|
|
|
|
76
|
|
|
return $matrix; |
77
|
|
|
} |
78
|
|
|
} |