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<?php
/**
* @see https://github.com/zendframework/zend-barcode for the canonical source repository
* @copyright Copyright (c) 2005-2019 Zend Technologies USA Inc. (http://www.zend.com)
* @license https://github.com/zendframework/zend-barcode/blob/master/LICENSE.md New BSD License
*/
namespace Zend\Barcode\Object;
/**
* Class for generate Code128 barcode
*/
class Code128 extends AbstractObject
{
/**
* Drawing of checksum
* (even if it's sometime optional, most of time it's required)
* @var bool
*/
protected $withChecksum = true;
/**
* @var array
*/
protected $convertedText = [];
protected $codingMap = [
0 => "11011001100", 1 => "11001101100", 2 => "11001100110",
3 => "10010011000", 4 => "10010001100", 5 => "10001001100",
6 => "10011001000", 7 => "10011000100", 8 => "10001100100",
9 => "11001001000", 10 => "11001000100", 11 => "11000100100",
12 => "10110011100", 13 => "10011011100", 14 => "10011001110",
15 => "10111001100", 16 => "10011101100", 17 => "10011100110",
18 => "11001110010", 19 => "11001011100", 20 => "11001001110",
21 => "11011100100", 22 => "11001110100", 23 => "11101101110",
24 => "11101001100", 25 => "11100101100", 26 => "11100100110",
27 => "11101100100", 28 => "11100110100", 29 => "11100110010",
30 => "11011011000", 31 => "11011000110", 32 => "11000110110",
33 => "10100011000", 34 => "10001011000", 35 => "10001000110",
36 => "10110001000", 37 => "10001101000", 38 => "10001100010",
39 => "11010001000", 40 => "11000101000", 41 => "11000100010",
42 => "10110111000", 43 => "10110001110", 44 => "10001101110",
45 => "10111011000", 46 => "10111000110", 47 => "10001110110",
48 => "11101110110", 49 => "11010001110", 50 => "11000101110",
51 => "11011101000", 52 => "11011100010", 53 => "11011101110",
54 => "11101011000", 55 => "11101000110", 56 => "11100010110",
57 => "11101101000", 58 => "11101100010", 59 => "11100011010",
60 => "11101111010", 61 => "11001000010", 62 => "11110001010",
63 => "10100110000", 64 => "10100001100", 65 => "10010110000",
66 => "10010000110", 67 => "10000101100", 68 => "10000100110",
69 => "10110010000", 70 => "10110000100", 71 => "10011010000",
72 => "10011000010", 73 => "10000110100", 74 => "10000110010",
75 => "11000010010", 76 => "11001010000", 77 => "11110111010",
78 => "11000010100", 79 => "10001111010", 80 => "10100111100",
81 => "10010111100", 82 => "10010011110", 83 => "10111100100",
84 => "10011110100", 85 => "10011110010", 86 => "11110100100",
87 => "11110010100", 88 => "11110010010", 89 => "11011011110",
90 => "11011110110", 91 => "11110110110", 92 => "10101111000",
93 => "10100011110", 94 => "10001011110", 95 => "10111101000",
96 => "10111100010", 97 => "11110101000", 98 => "11110100010",
99 => "10111011110", 100 => "10111101110", 101 => "11101011110",
102 => "11110101110",
103 => "11010000100", 104 => "11010010000", 105 => "11010011100",
106 => "1100011101011"];
/**
* Character sets ABC
* @var array
*/
protected $charSets = [
'A' => [
' ', '!', '"', '#', '$', '%', '&', "'",
'(', ')', '*', '+', ',', '-', '.', '/',
'0', '1', '2', '3', '4', '5', '6', '7',
'8', '9', ':', ';', '<', '=', '>', '?',
'@', 'A', 'B', 'C', 'D', 'E', 'F', 'G',
'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
'X', 'Y', 'Z', '[', '\\', ']', '^', '_',
0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F,
0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17,
0x18, 0x19, 0x1A, 0x1B, 0x1C, 0x1D, 0x1E, 0x1F,
'FNC3', 'FNC2', 'SHIFT', 'Code C', 'Code B', 'FNC4', 'FNC1',
'START A', 'START B', 'START C', 'STOP'],
'B' => [
' ', '!', '"', '#', '$', '%', '&', "'",
'(', ')', '*', '+', ',', '-', '.', '/',
'0', '1', '2', '3', '4', '5', '6', '7',
'8', '9', ':', ';', '<', '=', '>', '?',
'@', 'A', 'B', 'C', 'D', 'E', 'F', 'G',
'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
'X', 'Y', 'Z', '[', '\\', ']', '^', '_',
'`', 'a', 'b', 'c', 'd', 'e', 'f', 'g',
'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
'x', 'y', 'z', '{', '|', '}', '~', 0x7F,
'FNC3', 'FNC2', 'SHIFT', 'Code C', 'FNC4', 'Code A', 'FNC1',
'START A', 'START B', 'START C', 'STOP',],
'C' => [
'00', '01', '02', '03', '04', '05', '06', '07', '08', '09',
'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',
'Code B', 'Code A', 'FNC1', 'START A', 'START B', 'START C', 'STOP']];
/**
* Width of the barcode (in pixels)
* @return int
*/
protected function calculateBarcodeWidth()
{
$quietZone = $this->getQuietZone();
// Each characters contain 11 bars...
$characterLength = 11 * $this->barThinWidth * $this->factor;
$convertedChars = count($this->convertToBarcodeChars($this->getText()));
if ($this->withChecksum) {
$convertedChars++;
}
$encodedData = $convertedChars * $characterLength;
// ...except the STOP character (13)
$encodedData += $characterLength + 2 * $this->barThinWidth * $this->factor;
$width = $quietZone + $encodedData + $quietZone;
return $width;
}
/**
* Partial check of code128 barcode
* @return void
*/
protected function checkSpecificParams()
{
}
/**
* Prepare array to draw barcode
* @return array
*/
protected function prepareBarcode()
{
$barcodeTable = [];
$convertedChars = $this->convertToBarcodeChars($this->getText());
if ($this->withChecksum) {
$convertedChars[] = $this->getChecksum($this->getText());
}
// STOP CHARACTER
$convertedChars[] = 106;
foreach ($convertedChars as $barcodeChar) {
$barcodePattern = $this->codingMap[$barcodeChar];
foreach (str_split($barcodePattern) as $c) {
$barcodeTable[] = [$c, $this->barThinWidth, 0, 1];
}
}
return $barcodeTable;
}
/**
* Checks if the next $length chars of $string starting at $pos are numeric.
* Returns false if the end of the string is reached.
* @param string $string String to search
* @param int $pos Starting position
* @param int $length Length to search
* @return bool
*/
// @codingStandardsIgnoreStart
protected static function _isDigit($string, $pos, $length = 2)
{
// @codingStandardsIgnoreEnd
if ($pos + $length > strlen($string)) {
return false;
}
for ($i = $pos; $i < $pos + $length; $i++) {
if (! is_numeric($string[$i])) {
return false;
}
}
return true;
}
/**
* Convert string to barcode string
* @param string $string
* @return array
*/
protected function convertToBarcodeChars($string)
{
$string = (string) $string;
if (! strlen($string)) {
return [];
}
if (isset($this->convertedText[md5($string)])) {
return $this->convertedText[md5($string)];
}
$currentCharset = null;
$result = [];
$strlen = strlen($string);
for ($pos = 0; $pos < $strlen; $pos++) {
$char = $string[$pos];
if (static::_isDigit($string, $pos, 4) && $currentCharset != 'C'
|| static::_isDigit($string, $pos, 2) && $currentCharset == 'C') {
/**
* Switch to C if the next 4 chars are numeric or stay C if the next 2
* chars are numeric
*/
if ($currentCharset != 'C') {
if ($pos == 0) {
$code = array_search("START C", $this->charSets['C']);
} else {
$code = array_search("Code C", $this->charSets[$currentCharset]);
}
$result[] = $code;
$currentCharset = 'C';
}
} elseif (in_array($char, $this->charSets['B']) && $currentCharset != 'B'
&& ! (in_array($char, $this->charSets['A']) && $currentCharset == 'A')) {
/**
* Switch to B as B contains the char and B is not the current charset.
*/
if ($pos == 0) {
$code = array_search("START B", $this->charSets['B']);
} else {
$code = array_search("Code B", $this->charSets[$currentCharset]);
}
$result[] = $code;
$currentCharset = 'B';
} elseif (array_key_exists($char, $this->charSets['A']) && $currentCharset != 'A'
&& ! (array_key_exists($char, $this->charSets['B']) && $currentCharset == 'B')) {
/**
* Switch to C as C contains the char and C is not the current charset.
*/
if ($pos == 0) {
$code = array_search("START A", $this->charSets['A']);
} else {
$code = array_search("Code A", $this->charSets[$currentCharset]);
}
$result[] = $code;
$currentCharset = 'A';
}
if ($currentCharset == 'C') {
$code = array_search(substr($string, $pos, 2), $this->charSets['C']);
$pos++; //Two chars from input
} else {
$code = array_search($string[$pos], $this->charSets[$currentCharset]);
}
$result[] = $code;
}
$this->convertedText[md5($string)] = $result;
return $result;
}
/**
* Set text to encode
* @param string $value
* @return self Provides a fluent interface
*/
public function setText($value)
{
$this->text = $value;
return $this;
}
/**
* Retrieve text to encode
* @return string
*/
public function getText()
{
return $this->text;
}
/**
* Get barcode checksum
*
* @param string $text
* @return int
*/
public function getChecksum($text)
{
$tableOfChars = $this->convertToBarcodeChars($text);
$sum = $tableOfChars[0];
unset($tableOfChars[0]);
$k = 1;
foreach ($tableOfChars as $char) {
$sum += ($k++) * $char;
}
$checksum = $sum % 103;
return $checksum;
}
}
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