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
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
<?php
/**
* BaconQrCode
*
* @link http://github.com/Bacon/BaconQrCode For the canonical source repository
* @copyright 2013 Ben 'DASPRiD' Scholzen
* @license http://opensource.org/licenses/BSD-2-Clause Simplified BSD License
*/
namespace BaconQrCode\Renderer\Text;
use BaconQrCode\Exception;
use BaconQrCode\Encoder\QrCode;
use BaconQrCode\Renderer\RendererInterface;
/**
* Plaintext renderer.
*/
class Plain implements RendererInterface
{
/**
* Margin around the QR code, also known as quiet zone.
*
* @var integer
*/
protected $margin = 1;
/**
* Char used for full block.
*
* UTF-8 FULL BLOCK (U+2588)
*
* @var string
* @link http://www.fileformat.info/info/unicode/char/2588/index.htm
*/
protected $fullBlock = "\xE2\x96\x88";
/**
* Char used for empty space
*
* @var string
*/
protected $emptyBlock = ' ';
/**
* Set char used as full block (occupied space, "black").
*
* @param string $fullBlock
*/
public function setFullBlock($fullBlock)
{
$this->fullBlock = $fullBlock;
}
/**
* Get char used as full block (occupied space, "black").
*
* @return string
*/
public function getFullBlock()
{
return $this->fullBlock;
}
/**
* Set char used as empty block (empty space, "white").
*
* @param string $emptyBlock
*/
public function setEmptyBlock($emptyBlock)
{
$this->emptyBlock = $emptyBlock;
}
/**
* Get char used as empty block (empty space, "white").
*
* @return string
*/
public function getEmptyBlock()
{
return $this->emptyBlock;
}
/**
* Sets the margin around the QR code.
*
* @param integer $margin
* @return AbstractRenderer
* @throws Exception\InvalidArgumentException
*/
public function setMargin($margin)
{
if ($margin < 0) {
throw new Exception\InvalidArgumentException('Margin must be equal to greater than 0');
}
$this->margin = (int) $margin;
return $this;
}
/**
* Gets the margin around the QR code.
*
* @return integer
*/
public function getMargin()
{
return $this->margin;
}
/**
* render(): defined by RendererInterface.
*
* @see RendererInterface::render()
* @param QrCode $qrCode
* @return string
*/
public function render(QrCode $qrCode)
{
$result = '';
$matrix = $qrCode->getMatrix();
$width = $matrix->getWidth();
// Top margin
for ($x = 0; $x < $this->margin; $x++) {
$result .= str_repeat($this->emptyBlock, $width + 2 * $this->margin)."\n";
}
// Body
$array = $matrix->getArray();
foreach ($array as $row) {
$result .= str_repeat($this->emptyBlock, $this->margin); // left margin
foreach ($row as $byte) {
$result .= $byte ? $this->fullBlock : $this->emptyBlock;
}
$result .= str_repeat($this->emptyBlock, $this->margin); // right margin
$result .= "\n";
}
// Bottom margin
for ($x = 0; $x < $this->margin; $x++) {
$result .= str_repeat($this->emptyBlock, $width + 2 * $this->margin)."\n";
}
return $result;
}
}