|
1
|
|
|
<?php |
|
2
|
|
|
|
|
3
|
|
|
/* |
|
4
|
|
|
* This file is part of the 2amigos/yii2-qrcode-component project. |
|
5
|
|
|
* |
|
6
|
|
|
* (c) 2amigOS! <http://2amigos.us/> |
|
7
|
|
|
* |
|
8
|
|
|
* For the full copyright and license information, please view |
|
9
|
|
|
* the LICENSE file that was distributed with this source code. |
|
10
|
|
|
*/ |
|
11
|
|
|
|
|
12
|
|
|
namespace Da\QrCode\Writer; |
|
13
|
|
|
|
|
14
|
|
|
use BaconQrCode\Renderer\Image\Svg; |
|
15
|
|
|
use BaconQrCode\Writer; |
|
16
|
|
|
use Da\QrCode\Contracts\QrCodeInterface; |
|
17
|
|
|
use SimpleXMLElement; |
|
18
|
|
|
|
|
19
|
|
|
class SvgWriter extends AbstractWriter |
|
20
|
|
|
{ |
|
21
|
|
|
/** |
|
22
|
|
|
* SvgWriter constructor. |
|
23
|
|
|
*/ |
|
24
|
|
|
public function __construct() |
|
25
|
|
|
{ |
|
26
|
|
|
parent::__construct(new Svg()); |
|
27
|
|
|
} |
|
28
|
|
|
|
|
29
|
|
|
/** |
|
30
|
|
|
* @inheritdoc |
|
31
|
|
|
*/ |
|
32
|
|
|
public function writeString(QrCodeInterface $qrCode) |
|
33
|
|
|
{ |
|
34
|
|
|
/** @var Svg $renderer */ |
|
35
|
|
|
$renderer = $this->renderer; |
|
36
|
|
|
$renderer->setWidth($qrCode->getSize()); |
|
37
|
|
|
$renderer->setHeight($qrCode->getSize()); |
|
38
|
|
|
$renderer->setMargin(0); |
|
39
|
|
|
$renderer->setForegroundColor($this->convertColor($qrCode->getForegroundColor())); |
|
40
|
|
|
$renderer->setBackgroundColor($this->convertColor($qrCode->getBackgroundColor())); |
|
41
|
|
|
$writer = new Writer($renderer); |
|
42
|
|
|
|
|
43
|
|
|
$string = $writer->writeString( |
|
44
|
|
|
$qrCode->getText(), |
|
45
|
|
|
$qrCode->getEncoding(), |
|
46
|
|
|
$this->convertErrorCorrectionLevel($qrCode->getErrorCorrectionLevel()) |
|
47
|
|
|
); |
|
48
|
|
|
|
|
49
|
|
|
$string = $this->addMargin($string, $qrCode->getMargin(), $qrCode->getSize()); |
|
|
|
|
|
|
50
|
|
|
|
|
51
|
|
|
return $string; |
|
52
|
|
|
} |
|
53
|
|
|
|
|
54
|
|
|
/** |
|
55
|
|
|
* @return string |
|
56
|
|
|
*/ |
|
57
|
|
|
public function getContentType() |
|
58
|
|
|
{ |
|
59
|
|
|
return 'image/svg+xml'; |
|
60
|
|
|
} |
|
61
|
|
|
|
|
62
|
|
|
/** |
|
63
|
|
|
* @param string $string |
|
64
|
|
|
* @param int $margin |
|
65
|
|
|
* @param int $size |
|
66
|
|
|
* @return string |
|
67
|
|
|
*/ |
|
68
|
|
|
protected function addMargin($string, $margin, $size) |
|
69
|
|
|
{ |
|
70
|
|
|
$targetSize = $size + $margin * 2; |
|
71
|
|
|
$xml = new SimpleXMLElement($string); |
|
72
|
|
|
|
|
73
|
|
|
$xml['width'] = $targetSize; |
|
74
|
|
|
$xml['height'] = $targetSize; |
|
75
|
|
|
$xml['viewBox'] = '0 0 '.$targetSize.' '.$targetSize; |
|
76
|
|
|
$xml->rect['width'] = $targetSize; |
|
77
|
|
|
$xml->rect['height'] = $targetSize; |
|
78
|
|
|
$additionalWhitespace = $targetSize; |
|
79
|
|
|
|
|
80
|
|
|
foreach ($xml->use as $block) { |
|
81
|
|
|
$additionalWhitespace = min($additionalWhitespace, (int) $block['x']); |
|
82
|
|
|
} |
|
83
|
|
|
$sourceBlockSize = (int) $xml->defs->rect['width']; |
|
84
|
|
|
$blockCount = ($size - 2 * $additionalWhitespace) / $sourceBlockSize; |
|
85
|
|
|
$targetBlockSize = $size / $blockCount; |
|
86
|
|
|
$xml->defs->rect['width'] = $targetBlockSize; |
|
87
|
|
|
$xml->defs->rect['height'] = $targetBlockSize; |
|
88
|
|
|
|
|
89
|
|
|
foreach ($xml->use as $block) { |
|
90
|
|
|
$block['x'] = $margin + $targetBlockSize * ($block['x'] - $additionalWhitespace) / $sourceBlockSize; |
|
91
|
|
|
$block['y'] = $margin + $targetBlockSize * ($block['y'] - $additionalWhitespace) / $sourceBlockSize; |
|
92
|
|
|
} |
|
93
|
|
|
return $xml->asXML(); |
|
94
|
|
|
} |
|
95
|
|
|
} |
|
96
|
|
|
|
2amigos /
qrcode-library
Loading history...