fox-send/app/qrcode.js

1077 lines
26 KiB
JavaScript

//---------------------------------------------------------------------
//
// QR Code Generator for JavaScript
//
// Copyright (c) 2009 Kazuhiko Arase
//
// URL: http://www.d-project.com/
//
// Licensed under the MIT license:
// http://www.opensource.org/licenses/mit-license.php
//
// The word 'QR Code' is registered trademark of
// DENSO WAVE INCORPORATED
// http://www.denso-wave.com/qrcode/faqpatent-e.html
//
//---------------------------------------------------------------------
var qrcode = (function() {
//---------------------------------------------------------------------
// qrcode
//---------------------------------------------------------------------
/**
* qrcode
* @param typeNumber 1 to 40
* @param errorCorrectionLevel 'L','M','Q','H'
*/
var qrcode = function(typeNumber, errorCorrectionLevel) {
var PAD0 = 0xec;
var PAD1 = 0x11;
var _typeNumber = typeNumber;
var _errorCorrectionLevel = QRErrorCorrectionLevel[errorCorrectionLevel];
var _modules = null;
var _moduleCount = 0;
var _dataCache = null;
var _dataList = [];
var _this = {};
var makeImpl = function(test, maskPattern) {
_moduleCount = _typeNumber * 4 + 17;
_modules = (function(moduleCount) {
var modules = new Array(moduleCount);
for (var row = 0; row < moduleCount; row += 1) {
modules[row] = new Array(moduleCount);
for (var col = 0; col < moduleCount; col += 1) {
modules[row][col] = null;
}
}
return modules;
})(_moduleCount);
setupPositionProbePattern(0, 0);
setupPositionProbePattern(_moduleCount - 7, 0);
setupPositionProbePattern(0, _moduleCount - 7);
setupPositionAdjustPattern();
setupTimingPattern();
setupTypeInfo(test, maskPattern);
if (_typeNumber >= 7) {
// setupTypeNumber(test);
}
if (_dataCache == null) {
_dataCache = createData(_typeNumber, _errorCorrectionLevel, _dataList);
}
mapData(_dataCache, maskPattern);
};
var setupPositionProbePattern = function(row, col) {
for (var r = -1; r <= 7; r += 1) {
if (row + r <= -1 || _moduleCount <= row + r) continue;
for (var c = -1; c <= 7; c += 1) {
if (col + c <= -1 || _moduleCount <= col + c) continue;
if (
(0 <= r && r <= 6 && (c == 0 || c == 6)) ||
(0 <= c && c <= 6 && (r == 0 || r == 6)) ||
(2 <= r && r <= 4 && 2 <= c && c <= 4)
) {
_modules[row + r][col + c] = true;
} else {
_modules[row + r][col + c] = false;
}
}
}
};
var getBestMaskPattern = function() {
var minLostPoint = 0;
var pattern = 0;
for (var i = 0; i < 8; i += 1) {
makeImpl(true, i);
var lostPoint = QRUtil.getLostPoint(_this);
if (i == 0 || minLostPoint > lostPoint) {
minLostPoint = lostPoint;
pattern = i;
}
}
return pattern;
};
var setupTimingPattern = function() {
for (var r = 8; r < _moduleCount - 8; r += 1) {
if (_modules[r][6] != null) {
continue;
}
_modules[r][6] = r % 2 == 0;
}
for (var c = 8; c < _moduleCount - 8; c += 1) {
if (_modules[6][c] != null) {
continue;
}
_modules[6][c] = c % 2 == 0;
}
};
var setupPositionAdjustPattern = function() {
var pos = QRUtil.getPatternPosition(_typeNumber);
for (var i = 0; i < pos.length; i += 1) {
for (var j = 0; j < pos.length; j += 1) {
var row = pos[i];
var col = pos[j];
if (_modules[row][col] != null) {
continue;
}
for (var r = -2; r <= 2; r += 1) {
for (var c = -2; c <= 2; c += 1) {
if (
r == -2 ||
r == 2 ||
c == -2 ||
c == 2 ||
(r == 0 && c == 0)
) {
_modules[row + r][col + c] = true;
} else {
_modules[row + r][col + c] = false;
}
}
}
}
}
};
var setupTypeInfo = function(test, maskPattern) {
var data = (_errorCorrectionLevel << 3) | maskPattern;
var bits = QRUtil.getBCHTypeInfo(data);
// vertical
for (var i = 0; i < 15; i += 1) {
var mod = !test && ((bits >> i) & 1) == 1;
if (i < 6) {
_modules[i][8] = mod;
} else if (i < 8) {
_modules[i + 1][8] = mod;
} else {
_modules[_moduleCount - 15 + i][8] = mod;
}
}
// horizontal
for (var i = 0; i < 15; i += 1) {
var mod = !test && ((bits >> i) & 1) == 1;
if (i < 8) {
_modules[8][_moduleCount - i - 1] = mod;
} else if (i < 9) {
_modules[8][15 - i - 1 + 1] = mod;
} else {
_modules[8][15 - i - 1] = mod;
}
}
// fixed module
_modules[_moduleCount - 8][8] = !test;
};
var mapData = function(data, maskPattern) {
var inc = -1;
var row = _moduleCount - 1;
var bitIndex = 7;
var byteIndex = 0;
var maskFunc = QRUtil.getMaskFunction(maskPattern);
for (var col = _moduleCount - 1; col > 0; col -= 2) {
if (col == 6) col -= 1;
while (true) {
for (var c = 0; c < 2; c += 1) {
if (_modules[row][col - c] == null) {
var dark = false;
if (byteIndex < data.length) {
dark = ((data[byteIndex] >>> bitIndex) & 1) == 1;
}
var mask = maskFunc(row, col - c);
if (mask) {
dark = !dark;
}
_modules[row][col - c] = dark;
bitIndex -= 1;
if (bitIndex == -1) {
byteIndex += 1;
bitIndex = 7;
}
}
}
row += inc;
if (row < 0 || _moduleCount <= row) {
row -= inc;
inc = -inc;
break;
}
}
}
};
var createBytes = function(buffer, rsBlocks) {
var offset = 0;
var maxDcCount = 0;
var maxEcCount = 0;
var dcdata = new Array(rsBlocks.length);
var ecdata = new Array(rsBlocks.length);
for (var r = 0; r < rsBlocks.length; r += 1) {
var dcCount = rsBlocks[r].dataCount;
var ecCount = rsBlocks[r].totalCount - dcCount;
maxDcCount = Math.max(maxDcCount, dcCount);
maxEcCount = Math.max(maxEcCount, ecCount);
dcdata[r] = new Array(dcCount);
for (var i = 0; i < dcdata[r].length; i += 1) {
dcdata[r][i] = 0xff & buffer.getBuffer()[i + offset];
}
offset += dcCount;
var rsPoly = QRUtil.getErrorCorrectPolynomial(ecCount);
var rawPoly = qrPolynomial(dcdata[r], rsPoly.getLength() - 1);
var modPoly = rawPoly.mod(rsPoly);
ecdata[r] = new Array(rsPoly.getLength() - 1);
for (var i = 0; i < ecdata[r].length; i += 1) {
var modIndex = i + modPoly.getLength() - ecdata[r].length;
ecdata[r][i] = modIndex >= 0 ? modPoly.getAt(modIndex) : 0;
}
}
var totalCodeCount = 0;
for (var i = 0; i < rsBlocks.length; i += 1) {
totalCodeCount += rsBlocks[i].totalCount;
}
var data = new Array(totalCodeCount);
var index = 0;
for (var i = 0; i < maxDcCount; i += 1) {
for (var r = 0; r < rsBlocks.length; r += 1) {
if (i < dcdata[r].length) {
data[index] = dcdata[r][i];
index += 1;
}
}
}
for (var i = 0; i < maxEcCount; i += 1) {
for (var r = 0; r < rsBlocks.length; r += 1) {
if (i < ecdata[r].length) {
data[index] = ecdata[r][i];
index += 1;
}
}
}
return data;
};
var createData = function(typeNumber, errorCorrectionLevel, dataList) {
var rsBlocks = QRRSBlock.getRSBlocks(typeNumber, errorCorrectionLevel);
var buffer = qrBitBuffer();
for (var i = 0; i < dataList.length; i += 1) {
var data = dataList[i];
buffer.put(data.getMode(), 4);
buffer.put(
data.getLength(),
QRUtil.getLengthInBits(data.getMode(), typeNumber)
);
data.write(buffer);
}
// calc num max data.
var totalDataCount = 0;
for (var i = 0; i < rsBlocks.length; i += 1) {
totalDataCount += rsBlocks[i].dataCount;
}
if (buffer.getLengthInBits() > totalDataCount * 8) {
throw 'code length overflow. (' +
buffer.getLengthInBits() +
'>' +
totalDataCount * 8 +
')';
}
// end code
if (buffer.getLengthInBits() + 4 <= totalDataCount * 8) {
buffer.put(0, 4);
}
// padding
while (buffer.getLengthInBits() % 8 != 0) {
buffer.putBit(false);
}
// padding
while (true) {
if (buffer.getLengthInBits() >= totalDataCount * 8) {
break;
}
buffer.put(PAD0, 8);
if (buffer.getLengthInBits() >= totalDataCount * 8) {
break;
}
buffer.put(PAD1, 8);
}
return createBytes(buffer, rsBlocks);
};
_this.addData = function(data) {
var newData = qr8BitByte(data);
_dataList.push(newData);
_dataCache = null;
};
_this.isDark = function(row, col) {
if (row < 0 || _moduleCount <= row || col < 0 || _moduleCount <= col) {
throw row + ',' + col;
}
return _modules[row][col];
};
_this.getModuleCount = function() {
return _moduleCount;
};
_this.make = function() {
makeImpl(false, getBestMaskPattern());
};
_this.createSvgTag = function(cellSize, margin, alt, title) {
var opts = {};
if (typeof arguments[0] == 'object') {
// Called by options.
opts = arguments[0];
// overwrite cellSize and margin.
cellSize = opts.cellSize;
margin = opts.margin;
alt = opts.alt;
title = opts.title;
}
cellSize = cellSize || 2;
margin = typeof margin == 'undefined' ? cellSize * 4 : margin;
// Compose alt property surrogate
alt = typeof alt === 'string' ? { text: alt } : alt || {};
alt.text = alt.text || null;
alt.id = alt.text ? alt.id || 'qrcode-description' : null;
// Compose title property surrogate
title = typeof title === 'string' ? { text: title } : title || {};
title.text = title.text || null;
title.id = title.text ? title.id || 'qrcode-title' : null;
var size = _this.getModuleCount() * cellSize + margin * 2;
var c,
mc,
r,
mr,
qrSvg = '',
rect;
rect =
'l' +
cellSize +
',0 0,' +
cellSize +
' -' +
cellSize +
',0 0,-' +
cellSize +
'z ';
qrSvg += '<svg version="1.1" xmlns="http://www.w3.org/2000/svg"';
qrSvg += !opts.scalable
? ' width="' + size + 'px" height="' + size + 'px"'
: '';
qrSvg += ' viewBox="0 0 ' + size + ' ' + size + '" ';
qrSvg += ' preserveAspectRatio="xMinYMin meet"';
qrSvg +=
title.text || alt.text
? ' role="img" aria-labelledby="' +
escapeXml([title.id, alt.id].join(' ').trim()) +
'"'
: '';
qrSvg += '>';
qrSvg += title.text
? '<title id="' +
escapeXml(title.id) +
'">' +
escapeXml(title.text) +
'</title>'
: '';
qrSvg += alt.text
? '<description id="' +
escapeXml(alt.id) +
'">' +
escapeXml(alt.text) +
'</description>'
: '';
qrSvg += '<rect width="100%" height="100%" fill="white" cx="0" cy="0"/>';
qrSvg += '<path d="';
for (r = 0; r < _this.getModuleCount(); r += 1) {
mr = r * cellSize + margin;
for (c = 0; c < _this.getModuleCount(); c += 1) {
if (_this.isDark(r, c)) {
mc = c * cellSize + margin;
qrSvg += 'M' + mc + ',' + mr + rect;
}
}
}
qrSvg += '" stroke="transparent" fill="black"/>';
qrSvg += '</svg>';
return qrSvg;
};
var escapeXml = function(s) {
var escaped = '';
for (var i = 0; i < s.length; i += 1) {
var c = s.charAt(i);
switch (c) {
case '<':
escaped += '&lt;';
break;
case '>':
escaped += '&gt;';
break;
case '&':
escaped += '&amp;';
break;
case '"':
escaped += '&quot;';
break;
default:
escaped += c;
break;
}
}
return escaped;
};
return _this;
};
//---------------------------------------------------------------------
// qrcode.stringToBytes
//---------------------------------------------------------------------
qrcode.stringToBytesFuncs = {
default: function(s) {
var bytes = [];
for (var i = 0; i < s.length; i += 1) {
var c = s.charCodeAt(i);
bytes.push(c & 0xff);
}
return bytes;
}
};
qrcode.stringToBytes = qrcode.stringToBytesFuncs['default'];
//---------------------------------------------------------------------
// QRMode
//---------------------------------------------------------------------
var QRMode = {
MODE_NUMBER: 1 << 0,
MODE_ALPHA_NUM: 1 << 1,
MODE_8BIT_BYTE: 1 << 2,
MODE_KANJI: 1 << 3
};
//---------------------------------------------------------------------
// QRErrorCorrectionLevel
//---------------------------------------------------------------------
var QRErrorCorrectionLevel = {
L: 1,
M: 0,
Q: 3,
H: 2
};
//---------------------------------------------------------------------
// QRMaskPattern
//---------------------------------------------------------------------
var QRMaskPattern = {
PATTERN000: 0,
PATTERN001: 1,
PATTERN010: 2,
PATTERN011: 3,
PATTERN100: 4,
PATTERN101: 5,
PATTERN110: 6,
PATTERN111: 7
};
//---------------------------------------------------------------------
// QRUtil
//---------------------------------------------------------------------
var QRUtil = (function() {
var PATTERN_POSITION_TABLE = [
[],
[6, 18],
[6, 22],
[6, 26],
[6, 30],
[6, 34],
[6, 22, 38],
[6, 24, 42],
[6, 26, 46]
];
var G15 =
(1 << 10) |
(1 << 8) |
(1 << 5) |
(1 << 4) |
(1 << 2) |
(1 << 1) |
(1 << 0);
var G18 =
(1 << 12) |
(1 << 11) |
(1 << 10) |
(1 << 9) |
(1 << 8) |
(1 << 5) |
(1 << 2) |
(1 << 0);
var G15_MASK = (1 << 14) | (1 << 12) | (1 << 10) | (1 << 4) | (1 << 1);
var _this = {};
var getBCHDigit = function(data) {
var digit = 0;
while (data != 0) {
digit += 1;
data >>>= 1;
}
return digit;
};
_this.getBCHTypeInfo = function(data) {
var d = data << 10;
while (getBCHDigit(d) - getBCHDigit(G15) >= 0) {
d ^= G15 << (getBCHDigit(d) - getBCHDigit(G15));
}
return ((data << 10) | d) ^ G15_MASK;
};
_this.getBCHTypeNumber = function(data) {
var d = data << 12;
while (getBCHDigit(d) - getBCHDigit(G18) >= 0) {
d ^= G18 << (getBCHDigit(d) - getBCHDigit(G18));
}
return (data << 12) | d;
};
_this.getPatternPosition = function(typeNumber) {
return PATTERN_POSITION_TABLE[typeNumber - 1];
};
_this.getMaskFunction = function(maskPattern) {
switch (maskPattern) {
case QRMaskPattern.PATTERN000:
return function(i, j) {
return (i + j) % 2 == 0;
};
case QRMaskPattern.PATTERN001:
return function(i, j) {
return i % 2 == 0;
};
case QRMaskPattern.PATTERN010:
return function(i, j) {
return j % 3 == 0;
};
case QRMaskPattern.PATTERN011:
return function(i, j) {
return (i + j) % 3 == 0;
};
case QRMaskPattern.PATTERN100:
return function(i, j) {
return (Math.floor(i / 2) + Math.floor(j / 3)) % 2 == 0;
};
case QRMaskPattern.PATTERN101:
return function(i, j) {
return ((i * j) % 2) + ((i * j) % 3) == 0;
};
case QRMaskPattern.PATTERN110:
return function(i, j) {
return (((i * j) % 2) + ((i * j) % 3)) % 2 == 0;
};
case QRMaskPattern.PATTERN111:
return function(i, j) {
return (((i * j) % 3) + ((i + j) % 2)) % 2 == 0;
};
default:
throw 'bad maskPattern:' + maskPattern;
}
};
_this.getErrorCorrectPolynomial = function(errorCorrectLength) {
var a = qrPolynomial([1], 0);
for (var i = 0; i < errorCorrectLength; i += 1) {
a = a.multiply(qrPolynomial([1, QRMath.gexp(i)], 0));
}
return a;
};
_this.getLengthInBits = function(mode, type) {
if (1 <= type && type < 10) {
// 1 - 9
switch (mode) {
case QRMode.MODE_NUMBER:
return 10;
case QRMode.MODE_ALPHA_NUM:
return 9;
case QRMode.MODE_8BIT_BYTE:
return 8;
case QRMode.MODE_KANJI:
return 8;
default:
throw 'mode:' + mode;
}
} else {
throw 'type:' + type;
}
};
_this.getLostPoint = function(qrcode) {
var moduleCount = qrcode.getModuleCount();
var lostPoint = 0;
// LEVEL1
for (var row = 0; row < moduleCount; row += 1) {
for (var col = 0; col < moduleCount; col += 1) {
var sameCount = 0;
var dark = qrcode.isDark(row, col);
for (var r = -1; r <= 1; r += 1) {
if (row + r < 0 || moduleCount <= row + r) {
continue;
}
for (var c = -1; c <= 1; c += 1) {
if (col + c < 0 || moduleCount <= col + c) {
continue;
}
if (r == 0 && c == 0) {
continue;
}
if (dark == qrcode.isDark(row + r, col + c)) {
sameCount += 1;
}
}
}
if (sameCount > 5) {
lostPoint += 3 + sameCount - 5;
}
}
}
// LEVEL2
for (var row = 0; row < moduleCount - 1; row += 1) {
for (var col = 0; col < moduleCount - 1; col += 1) {
var count = 0;
if (qrcode.isDark(row, col)) count += 1;
if (qrcode.isDark(row + 1, col)) count += 1;
if (qrcode.isDark(row, col + 1)) count += 1;
if (qrcode.isDark(row + 1, col + 1)) count += 1;
if (count == 0 || count == 4) {
lostPoint += 3;
}
}
}
// LEVEL3
for (var row = 0; row < moduleCount; row += 1) {
for (var col = 0; col < moduleCount - 6; col += 1) {
if (
qrcode.isDark(row, col) &&
!qrcode.isDark(row, col + 1) &&
qrcode.isDark(row, col + 2) &&
qrcode.isDark(row, col + 3) &&
qrcode.isDark(row, col + 4) &&
!qrcode.isDark(row, col + 5) &&
qrcode.isDark(row, col + 6)
) {
lostPoint += 40;
}
}
}
for (var col = 0; col < moduleCount; col += 1) {
for (var row = 0; row < moduleCount - 6; row += 1) {
if (
qrcode.isDark(row, col) &&
!qrcode.isDark(row + 1, col) &&
qrcode.isDark(row + 2, col) &&
qrcode.isDark(row + 3, col) &&
qrcode.isDark(row + 4, col) &&
!qrcode.isDark(row + 5, col) &&
qrcode.isDark(row + 6, col)
) {
lostPoint += 40;
}
}
}
// LEVEL4
var darkCount = 0;
for (var col = 0; col < moduleCount; col += 1) {
for (var row = 0; row < moduleCount; row += 1) {
if (qrcode.isDark(row, col)) {
darkCount += 1;
}
}
}
var ratio =
Math.abs((100 * darkCount) / moduleCount / moduleCount - 50) / 5;
lostPoint += ratio * 10;
return lostPoint;
};
return _this;
})();
//---------------------------------------------------------------------
// QRMath
//---------------------------------------------------------------------
var QRMath = (function() {
var EXP_TABLE = new Array(256);
var LOG_TABLE = new Array(256);
// initialize tables
for (var i = 0; i < 8; i += 1) {
EXP_TABLE[i] = 1 << i;
}
for (var i = 8; i < 256; i += 1) {
EXP_TABLE[i] =
EXP_TABLE[i - 4] ^
EXP_TABLE[i - 5] ^
EXP_TABLE[i - 6] ^
EXP_TABLE[i - 8];
}
for (var i = 0; i < 255; i += 1) {
LOG_TABLE[EXP_TABLE[i]] = i;
}
var _this = {};
_this.glog = function(n) {
if (n < 1) {
throw 'glog(' + n + ')';
}
return LOG_TABLE[n];
};
_this.gexp = function(n) {
while (n < 0) {
n += 255;
}
while (n >= 256) {
n -= 255;
}
return EXP_TABLE[n];
};
return _this;
})();
//---------------------------------------------------------------------
// qrPolynomial
//---------------------------------------------------------------------
function qrPolynomial(num, shift) {
if (typeof num.length == 'undefined') {
throw num.length + '/' + shift;
}
var _num = (function() {
var offset = 0;
while (offset < num.length && num[offset] == 0) {
offset += 1;
}
var _num = new Array(num.length - offset + shift);
for (var i = 0; i < num.length - offset; i += 1) {
_num[i] = num[i + offset];
}
return _num;
})();
var _this = {};
_this.getAt = function(index) {
return _num[index];
};
_this.getLength = function() {
return _num.length;
};
_this.multiply = function(e) {
var num = new Array(_this.getLength() + e.getLength() - 1);
for (var i = 0; i < _this.getLength(); i += 1) {
for (var j = 0; j < e.getLength(); j += 1) {
num[i + j] ^= QRMath.gexp(
QRMath.glog(_this.getAt(i)) + QRMath.glog(e.getAt(j))
);
}
}
return qrPolynomial(num, 0);
};
_this.mod = function(e) {
if (_this.getLength() - e.getLength() < 0) {
return _this;
}
var ratio = QRMath.glog(_this.getAt(0)) - QRMath.glog(e.getAt(0));
var num = new Array(_this.getLength());
for (var i = 0; i < _this.getLength(); i += 1) {
num[i] = _this.getAt(i);
}
for (var i = 0; i < e.getLength(); i += 1) {
num[i] ^= QRMath.gexp(QRMath.glog(e.getAt(i)) + ratio);
}
// recursive call
return qrPolynomial(num, 0).mod(e);
};
return _this;
}
//---------------------------------------------------------------------
// QRRSBlock
//---------------------------------------------------------------------
var QRRSBlock = (function() {
var RS_BLOCK_TABLE = [
// L
// 1
[1, 26, 19],
// 2
[1, 44, 34],
// 3
[1, 70, 55],
// 4
[1, 100, 80],
// 5
[1, 134, 108],
// 6
[2, 86, 68],
// 7
[2, 98, 78],
// 8
[2, 121, 97]
];
var qrRSBlock = function(totalCount, dataCount) {
var _this = {};
_this.totalCount = totalCount;
_this.dataCount = dataCount;
return _this;
};
var _this = {};
var getRsBlockTable = function(typeNumber, errorCorrectionLevel) {
switch (errorCorrectionLevel) {
case QRErrorCorrectionLevel.L:
return RS_BLOCK_TABLE[typeNumber - 1];
default:
return undefined;
}
};
_this.getRSBlocks = function(typeNumber, errorCorrectionLevel) {
var rsBlock = getRsBlockTable(typeNumber, errorCorrectionLevel);
if (typeof rsBlock == 'undefined') {
throw 'bad rs block @ typeNumber:' +
typeNumber +
'/errorCorrectionLevel:' +
errorCorrectionLevel;
}
var length = rsBlock.length / 3;
var list = [];
for (var i = 0; i < length; i += 1) {
var count = rsBlock[i * 3 + 0];
var totalCount = rsBlock[i * 3 + 1];
var dataCount = rsBlock[i * 3 + 2];
for (var j = 0; j < count; j += 1) {
list.push(qrRSBlock(totalCount, dataCount));
}
}
return list;
};
return _this;
})();
//---------------------------------------------------------------------
// qrBitBuffer
//---------------------------------------------------------------------
var qrBitBuffer = function() {
var _buffer = [];
var _length = 0;
var _this = {};
_this.getBuffer = function() {
return _buffer;
};
_this.getAt = function(index) {
var bufIndex = Math.floor(index / 8);
return ((_buffer[bufIndex] >>> (7 - (index % 8))) & 1) == 1;
};
_this.put = function(num, length) {
for (var i = 0; i < length; i += 1) {
_this.putBit(((num >>> (length - i - 1)) & 1) == 1);
}
};
_this.getLengthInBits = function() {
return _length;
};
_this.putBit = function(bit) {
var bufIndex = Math.floor(_length / 8);
if (_buffer.length <= bufIndex) {
_buffer.push(0);
}
if (bit) {
_buffer[bufIndex] |= 0x80 >>> _length % 8;
}
_length += 1;
};
return _this;
};
//---------------------------------------------------------------------
// qr8BitByte
//---------------------------------------------------------------------
var qr8BitByte = function(data) {
var _mode = QRMode.MODE_8BIT_BYTE;
var _data = data;
var _bytes = qrcode.stringToBytes(data);
var _this = {};
_this.getMode = function() {
return _mode;
};
_this.getLength = function(buffer) {
return _bytes.length;
};
_this.write = function(buffer) {
for (var i = 0; i < _bytes.length; i += 1) {
buffer.put(_bytes[i], 8);
}
};
return _this;
};
//---------------------------------------------------------------------
// returns qrcode function.
return qrcode;
})();
(function(factory) {
if (typeof define === 'function' && define.amd) {
define([], factory);
} else if (typeof exports === 'object') {
module.exports = factory();
}
})(function() {
return qrcode;
});