taro-code
Version:
Taro.js barcode & qrcode, Image & Canvas
1,477 lines • 50.2 kB
JavaScript
/* eslint-disable @typescript-eslint/no-unsafe-member-access */
/* eslint-disable @typescript-eslint/explicit-function-return-type */
/* eslint-disable @typescript-eslint/no-unsafe-return */
/* eslint-disable no-shadow */
/* eslint-disable no-redeclare */
/* eslint-disable eqeqeq */
/* eslint-disable no-array-constructor */
// ---------------------------------------------------------------------
//
// 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
//
// ---------------------------------------------------------------------
/* eslint-disable */
/**
* qrcode
* @param typeNumber 1 to 40
* @param errorCorrectLevel 'L','M','Q','H'
*/
const qrcode = function (typeNumber, errorCorrectLevel) {
const PAD0 = 0xec;
const PAD1 = 0x11;
const _typeNumber = typeNumber;
const _errorCorrectLevel = QRErrorCorrectLevel[errorCorrectLevel];
let _modules = null;
let _moduleCount = 0;
let _dataCache = null;
const _dataList = [];
const _this = {};
const makeImpl = function (test, maskPattern) {
_moduleCount = _typeNumber * 4 + 17;
_modules = (function (moduleCount) {
const modules = new Array(moduleCount);
for (let row = 0; row < moduleCount; row += 1) {
modules[row] = new Array(moduleCount);
for (let 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, _errorCorrectLevel, _dataList);
}
mapData(_dataCache, maskPattern);
};
var setupPositionProbePattern = function (row, col) {
for (let r = -1; r <= 7; r += 1) {
if (row + r <= -1 || _moduleCount <= row + r)
continue;
for (let c = -1; c <= 7; c += 1) {
if (col + c <= -1 || _moduleCount <= col + c)
continue;
if ((r >= 0 && r <= 6 && (c == 0 || c == 6)) ||
(c >= 0 && c <= 6 && (r == 0 || r == 6)) ||
(r >= 2 && r <= 4 && c >= 2 && c <= 4)) {
_modules[row + r][col + c] = true;
}
else {
_modules[row + r][col + c] = false;
}
}
}
};
const getBestMaskPattern = function () {
let minLostPoint = 0;
let pattern = 0;
for (let i = 0; i < 8; i += 1) {
makeImpl(true, i);
const lostPoint = QRUtil.getLostPoint(_this);
if (i == 0 || minLostPoint > lostPoint) {
minLostPoint = lostPoint;
pattern = i;
}
}
return pattern;
};
var setupTimingPattern = function () {
for (let r = 8; r < _moduleCount - 8; r += 1) {
if (_modules[r][6] != null) {
continue;
}
_modules[r][6] = r % 2 == 0;
}
for (let c = 8; c < _moduleCount - 8; c += 1) {
if (_modules[6][c] != null) {
continue;
}
_modules[6][c] = c % 2 == 0;
}
};
var setupPositionAdjustPattern = function () {
const pos = QRUtil.getPatternPosition(_typeNumber);
for (let i = 0; i < pos.length; i += 1) {
for (let j = 0; j < pos.length; j += 1) {
const row = pos[i];
const col = pos[j];
if (_modules[row][col] != null) {
continue;
}
for (let r = -2; r <= 2; r += 1) {
for (let 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 setupTypeNumber = function (test) {
const bits = QRUtil.getBCHTypeNumber(_typeNumber);
for (var i = 0; i < 18; i += 1) {
var mod = !test && ((bits >> i) & 1) == 1;
_modules[Math.floor(i / 3)][(i % 3) + _moduleCount - 8 - 3] = mod;
}
for (var i = 0; i < 18; i += 1) {
var mod = !test && ((bits >> i) & 1) == 1;
_modules[(i % 3) + _moduleCount - 8 - 3][Math.floor(i / 3)] = mod;
}
};
var setupTypeInfo = function (test, maskPattern) {
const data = (_errorCorrectLevel << 3) | maskPattern;
const 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) {
let inc = -1;
let row = _moduleCount - 1;
let bitIndex = 7;
let byteIndex = 0;
const maskFunc = QRUtil.getMaskFunction(maskPattern);
for (let col = _moduleCount - 1; col > 0; col -= 2) {
if (col == 6)
col -= 1;
while (true) {
for (let c = 0; c < 2; c += 1) {
if (_modules[row][col - c] == null) {
let dark = false;
if (byteIndex < data.length) {
dark = ((data[byteIndex] >>> bitIndex) & 1) == 1;
}
const 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;
}
}
}
};
const createBytes = function (buffer, rsBlocks) {
let offset = 0;
let maxDcCount = 0;
let maxEcCount = 0;
const dcdata = new Array(rsBlocks.length);
const ecdata = new Array(rsBlocks.length);
for (var r = 0; r < rsBlocks.length; r += 1) {
const dcCount = rsBlocks[r].dataCount;
const 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;
const rsPoly = QRUtil.getErrorCorrectPolynomial(ecCount);
const rawPoly = qrPolynomial(dcdata[r], rsPoly.getLength() - 1);
const modPoly = rawPoly.mod(rsPoly);
ecdata[r] = new Array(rsPoly.getLength() - 1);
for (var i = 0; i < ecdata[r].length; i += 1) {
const modIndex = i + modPoly.getLength() - ecdata[r].length;
ecdata[r][i] = modIndex >= 0 ? modPoly.getAt(modIndex) : 0;
}
}
let totalCodeCount = 0;
for (var i = 0; i < rsBlocks.length; i += 1) {
totalCodeCount += rsBlocks[i].totalCount;
}
const data = new Array(totalCodeCount);
let 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, errorCorrectLevel, dataList) {
const rsBlocks = QRRSBlock.getRSBlocks(typeNumber, errorCorrectLevel);
const buffer = qrBitBuffer();
for (var i = 0; i < dataList.length; i += 1) {
const data = dataList[i];
buffer.put(data.getMode(), 4);
buffer.put(data.getLength(), QRUtil.getLengthInBits(data.getMode(), typeNumber));
data.write(buffer);
}
// calc num max data.
let totalDataCount = 0;
for (var i = 0; i < rsBlocks.length; i += 1) {
totalDataCount += rsBlocks[i].dataCount;
}
if (buffer.getLengthInBits() > totalDataCount * 8) {
throw new Error('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) {
const newData = qr8BitByte(data);
_dataList.push(newData);
_dataCache = null;
};
_this.isDark = function (row, col) {
if (row < 0 || _moduleCount <= row || col < 0 || _moduleCount <= col) {
throw new Error(row + ',' + col);
}
return _modules[row][col];
};
_this.getModuleCount = function () {
return _moduleCount;
};
_this.make = function () {
makeImpl(false, getBestMaskPattern());
};
_this.createTableTag = function (cellSize, margin) {
cellSize = cellSize || 2;
margin = typeof margin === 'undefined' ? cellSize * 4 : margin;
let qrHtml = '';
qrHtml += '<table style="';
qrHtml += ' border-width: 0px; border-style: none;';
qrHtml += ' border-collapse: collapse;';
qrHtml += ' padding: 0px; margin: ' + margin + 'px;';
qrHtml += '">';
qrHtml += '<tbody>';
for (let r = 0; r < _this.getModuleCount(); r += 1) {
qrHtml += '<tr>';
for (let c = 0; c < _this.getModuleCount(); c += 1) {
qrHtml += '<td style="';
qrHtml += ' border-width: 0px; border-style: none;';
qrHtml += ' border-collapse: collapse;';
qrHtml += ' padding: 0px; margin: 0px;';
qrHtml += ' width: ' + cellSize + 'px;';
qrHtml += ' height: ' + cellSize + 'px;';
qrHtml += ' background-color: ';
qrHtml += _this.isDark(r, c) ? '#000000' : '#ffffff';
qrHtml += ';';
qrHtml += '"/>';
}
qrHtml += '</tr>';
}
qrHtml += '</tbody>';
qrHtml += '</table>';
return qrHtml;
};
_this.createImgTag = function (cellSize, margin, size, black, white) {
cellSize = cellSize || 2;
margin = typeof margin === 'undefined' ? cellSize * 4 : margin;
const min = margin;
const max = _this.getModuleCount() * cellSize + margin;
return createImgTag(size, size, function (x, y) {
if (min <= x && x < max && min <= y && y < max) {
const c = Math.floor((x - min) / cellSize);
const r = Math.floor((y - min) / cellSize);
return _this.isDark(r, c) ? 0 : 1;
}
else {
return 1;
}
}, black, white);
};
return _this;
};
// ---------------------------------------------------------------------
// qrcode.stringToBytes
// ---------------------------------------------------------------------
qrcode.stringToBytes = function (s) {
const bytes = [];
for (let i = 0; i < s.length; i += 1) {
const c = s.charCodeAt(i);
bytes.push(c & 0xff);
}
return bytes;
};
// ---------------------------------------------------------------------
// qrcode.createStringToBytes
// ---------------------------------------------------------------------
/**
* @param unicodeData base64 string of byte array.
* [16bit Unicode],[16bit Bytes], ...
* @param numChars
*/
qrcode.createStringToBytes = function (unicodeData, numChars) {
// create conversion map.
const unicodeMap = (function () {
const bin = base64DecodeInputStream(unicodeData);
const read = function () {
const b = bin.read();
if (b == -1)
throw new Error();
return b;
};
let count = 0;
const unicodeMap = {};
while (true) {
const b0 = bin.read();
if (b0 == -1)
break;
const b1 = read();
const b2 = read();
const b3 = read();
const k = String.fromCharCode((b0 << 8) | b1);
const v = (b2 << 8) | b3;
unicodeMap[k] = v;
count += 1;
}
if (count != numChars) {
throw new Error(count + ' != ' + numChars);
}
return unicodeMap;
})();
const unknownChar = '?'.charCodeAt(0);
return function (s) {
const bytes = [];
for (let i = 0; i < s.length; i += 1) {
const c = s.charCodeAt(i);
if (c < 128) {
bytes.push(c);
}
else {
const b = unicodeMap[s.charAt(i)];
if (typeof b === 'number') {
if ((b & 0xff) == b) {
// 1byte
bytes.push(b);
}
else {
// 2bytes
bytes.push(b >>> 8);
bytes.push(b & 0xff);
}
}
else {
bytes.push(unknownChar);
}
}
}
return bytes;
};
};
// ---------------------------------------------------------------------
// QRMode
// ---------------------------------------------------------------------
const QRMode = {
MODE_NUMBER: 1 << 0,
MODE_ALPHA_NUM: 1 << 1,
MODE_8BIT_BYTE: 1 << 2,
MODE_KANJI: 1 << 3,
};
// ---------------------------------------------------------------------
// QRErrorCorrectLevel
// ---------------------------------------------------------------------
var QRErrorCorrectLevel = {
L: 1,
M: 0,
Q: 3,
H: 2,
};
// ---------------------------------------------------------------------
// QRMaskPattern
// ---------------------------------------------------------------------
const QRMaskPattern = {
PATTERN000: 0,
PATTERN001: 1,
PATTERN010: 2,
PATTERN011: 3,
PATTERN100: 4,
PATTERN101: 5,
PATTERN110: 6,
PATTERN111: 7,
};
// ---------------------------------------------------------------------
// QRUtil
// ---------------------------------------------------------------------
var QRUtil = (function () {
const PATTERN_POSITION_TABLE = [
[],
[6, 18],
[6, 22],
[6, 26],
[6, 30],
[6, 34],
[6, 22, 38],
[6, 24, 42],
[6, 26, 46],
[6, 28, 50],
[6, 30, 54],
[6, 32, 58],
[6, 34, 62],
[6, 26, 46, 66],
[6, 26, 48, 70],
[6, 26, 50, 74],
[6, 30, 54, 78],
[6, 30, 56, 82],
[6, 30, 58, 86],
[6, 34, 62, 90],
[6, 28, 50, 72, 94],
[6, 26, 50, 74, 98],
[6, 30, 54, 78, 102],
[6, 28, 54, 80, 106],
[6, 32, 58, 84, 110],
[6, 30, 58, 86, 114],
[6, 34, 62, 90, 118],
[6, 26, 50, 74, 98, 122],
[6, 30, 54, 78, 102, 126],
[6, 26, 52, 78, 104, 130],
[6, 30, 56, 82, 108, 134],
[6, 34, 60, 86, 112, 138],
[6, 30, 58, 86, 114, 142],
[6, 34, 62, 90, 118, 146],
[6, 30, 54, 78, 102, 126, 150],
[6, 24, 50, 76, 102, 128, 154],
[6, 28, 54, 80, 106, 132, 158],
[6, 32, 58, 84, 110, 136, 162],
[6, 26, 54, 82, 110, 138, 166],
[6, 30, 58, 86, 114, 142, 170],
];
const G15 = (1 << 10) | (1 << 8) | (1 << 5) | (1 << 4) | (1 << 2) | (1 << 1) | (1 << 0);
const G18 = (1 << 12) | (1 << 11) | (1 << 10) | (1 << 9) | (1 << 8) | (1 << 5) | (1 << 2) | (1 << 0);
const G15_MASK = (1 << 14) | (1 << 12) | (1 << 10) | (1 << 4) | (1 << 1);
const _this = {};
const getBCHDigit = function (data) {
let digit = 0;
while (data != 0) {
digit += 1;
data >>>= 1;
}
return digit;
};
_this.getBCHTypeInfo = function (data) {
let 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) {
let 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) {
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 new Error('bad maskPattern:' + maskPattern);
}
};
_this.getErrorCorrectPolynomial = function (errorCorrectLength) {
let a = qrPolynomial([1], 0);
for (let i = 0; i < errorCorrectLength; i += 1) {
a = a.multiply(qrPolynomial([1, QRMath.gexp(i)], 0));
}
return a;
};
_this.getLengthInBits = function (mode, type) {
if (type >= 1 && 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 new Error('mode:' + mode);
}
}
else if (type < 27) {
// 10 - 26
switch (mode) {
case QRMode.MODE_NUMBER:
return 12;
case QRMode.MODE_ALPHA_NUM:
return 11;
case QRMode.MODE_8BIT_BYTE:
return 16;
case QRMode.MODE_KANJI:
return 10;
default:
throw new Error('mode:' + mode);
}
}
else if (type < 41) {
// 27 - 40
switch (mode) {
case QRMode.MODE_NUMBER:
return 14;
case QRMode.MODE_ALPHA_NUM:
return 13;
case QRMode.MODE_8BIT_BYTE:
return 16;
case QRMode.MODE_KANJI:
return 12;
default:
throw new Error('mode:' + mode);
}
}
else {
throw new Error('type:' + type);
}
};
_this.getLostPoint = function (qrcode) {
const moduleCount = qrcode.getModuleCount();
let lostPoint = 0;
// LEVEL1
for (var row = 0; row < moduleCount; row += 1) {
for (var col = 0; col < moduleCount; col += 1) {
let sameCount = 0;
const dark = qrcode.isDark(row, col);
for (let r = -1; r <= 1; r += 1) {
if (row + r < 0 || moduleCount <= row + r) {
continue;
}
for (let 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) {
let 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
let 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;
}
}
}
const ratio = Math.abs((100 * darkCount) / moduleCount / moduleCount - 50) / 5;
lostPoint += ratio * 10;
return lostPoint;
};
return _this;
})();
// ---------------------------------------------------------------------
// QRMath
// ---------------------------------------------------------------------
var QRMath = (function () {
const EXP_TABLE = new Array(256);
const 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;
}
const _this = {};
_this.glog = function (n) {
if (n < 1) {
throw new Error('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 new Error(num.length + '/' + shift);
}
const _num = (function () {
let offset = 0;
while (offset < num.length && num[offset] == 0) {
offset += 1;
}
const _num = new Array(num.length - offset + shift);
for (let i = 0; i < num.length - offset; i += 1) {
_num[i] = num[i + offset];
}
return _num;
})();
const _this = {};
_this.getAt = function (index) {
return _num[index];
};
_this.getLength = function () {
return _num.length;
};
_this.multiply = function (e) {
const num = new Array(_this.getLength() + e.getLength() - 1);
for (let i = 0; i < _this.getLength(); i += 1) {
for (let 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;
}
const ratio = QRMath.glog(_this.getAt(0)) - QRMath.glog(e.getAt(0));
const 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 () {
// [1: [L, M, Q, H], ..]
const RS_BLOCK_TABLE = [
[1, 26, 19],
[1, 26, 16],
[1, 26, 13],
[1, 26, 9],
[1, 44, 34],
[1, 44, 28],
[1, 44, 22],
[1, 44, 16],
[1, 70, 55],
[1, 70, 44],
[2, 35, 17],
[2, 35, 13],
[1, 100, 80],
[2, 50, 32],
[2, 50, 24],
[4, 25, 9],
[1, 134, 108],
[2, 67, 43],
[2, 33, 15, 2, 34, 16],
[2, 33, 11, 2, 34, 12],
[2, 86, 68],
[4, 43, 27],
[4, 43, 19],
[4, 43, 15],
[2, 98, 78],
[4, 49, 31],
[2, 32, 14, 4, 33, 15],
[4, 39, 13, 1, 40, 14],
[2, 121, 97],
[2, 60, 38, 2, 61, 39],
[4, 40, 18, 2, 41, 19],
[4, 40, 14, 2, 41, 15],
[2, 146, 116],
[3, 58, 36, 2, 59, 37],
[4, 36, 16, 4, 37, 17],
[4, 36, 12, 4, 37, 13],
[2, 86, 68, 2, 87, 69],
[4, 69, 43, 1, 70, 44],
[6, 43, 19, 2, 44, 20],
[6, 43, 15, 2, 44, 16],
[4, 101, 81],
[1, 80, 50, 4, 81, 51],
[4, 50, 22, 4, 51, 23],
[3, 36, 12, 8, 37, 13],
[2, 116, 92, 2, 117, 93],
[6, 58, 36, 2, 59, 37],
[4, 46, 20, 6, 47, 21],
[7, 42, 14, 4, 43, 15],
[4, 133, 107],
[8, 59, 37, 1, 60, 38],
[8, 44, 20, 4, 45, 21],
[12, 33, 11, 4, 34, 12],
[3, 145, 115, 1, 146, 116],
[4, 64, 40, 5, 65, 41],
[11, 36, 16, 5, 37, 17],
[11, 36, 12, 5, 37, 13],
[5, 109, 87, 1, 110, 88],
[5, 65, 41, 5, 66, 42],
[5, 54, 24, 7, 55, 25],
[11, 36, 12],
[5, 122, 98, 1, 123, 99],
[7, 73, 45, 3, 74, 46],
[15, 43, 19, 2, 44, 20],
[3, 45, 15, 13, 46, 16],
[1, 135, 107, 5, 136, 108],
[10, 74, 46, 1, 75, 47],
[1, 50, 22, 15, 51, 23],
[2, 42, 14, 17, 43, 15],
[5, 150, 120, 1, 151, 121],
[9, 69, 43, 4, 70, 44],
[17, 50, 22, 1, 51, 23],
[2, 42, 14, 19, 43, 15],
[3, 141, 113, 4, 142, 114],
[3, 70, 44, 11, 71, 45],
[17, 47, 21, 4, 48, 22],
[9, 39, 13, 16, 40, 14],
[3, 135, 107, 5, 136, 108],
[3, 67, 41, 13, 68, 42],
[15, 54, 24, 5, 55, 25],
[15, 43, 15, 10, 44, 16],
[4, 144, 116, 4, 145, 117],
[17, 68, 42],
[17, 50, 22, 6, 51, 23],
[19, 46, 16, 6, 47, 17],
[2, 139, 111, 7, 140, 112],
[17, 74, 46],
[7, 54, 24, 16, 55, 25],
[34, 37, 13],
[4, 151, 121, 5, 152, 122],
[4, 75, 47, 14, 76, 48],
[11, 54, 24, 14, 55, 25],
[16, 45, 15, 14, 46, 16],
[6, 147, 117, 4, 148, 118],
[6, 73, 45, 14, 74, 46],
[11, 54, 24, 16, 55, 25],
[30, 46, 16, 2, 47, 17],
[8, 132, 106, 4, 133, 107],
[8, 75, 47, 13, 76, 48],
[7, 54, 24, 22, 55, 25],
[22, 45, 15, 13, 46, 16],
[10, 142, 114, 2, 143, 115],
[19, 74, 46, 4, 75, 47],
[28, 50, 22, 6, 51, 23],
[33, 46, 16, 4, 47, 17],
[8, 152, 122, 4, 153, 123],
[22, 73, 45, 3, 74, 46],
[8, 53, 23, 26, 54, 24],
[12, 45, 15, 28, 46, 16],
[3, 147, 117, 10, 148, 118],
[3, 73, 45, 23, 74, 46],
[4, 54, 24, 31, 55, 25],
[11, 45, 15, 31, 46, 16],
[7, 146, 116, 7, 147, 117],
[21, 73, 45, 7, 74, 46],
[1, 53, 23, 37, 54, 24],
[19, 45, 15, 26, 46, 16],
[5, 145, 115, 10, 146, 116],
[19, 75, 47, 10, 76, 48],
[15, 54, 24, 25, 55, 25],
[23, 45, 15, 25, 46, 16],
[13, 145, 115, 3, 146, 116],
[2, 74, 46, 29, 75, 47],
[42, 54, 24, 1, 55, 25],
[23, 45, 15, 28, 46, 16],
[17, 145, 115],
[10, 74, 46, 23, 75, 47],
[10, 54, 24, 35, 55, 25],
[19, 45, 15, 35, 46, 16],
[17, 145, 115, 1, 146, 116],
[14, 74, 46, 21, 75, 47],
[29, 54, 24, 19, 55, 25],
[11, 45, 15, 46, 46, 16],
[13, 145, 115, 6, 146, 116],
[14, 74, 46, 23, 75, 47],
[44, 54, 24, 7, 55, 25],
[59, 46, 16, 1, 47, 17],
[12, 151, 121, 7, 152, 122],
[12, 75, 47, 26, 76, 48],
[39, 54, 24, 14, 55, 25],
[22, 45, 15, 41, 46, 16],
[6, 151, 121, 14, 152, 122],
[6, 75, 47, 34, 76, 48],
[46, 54, 24, 10, 55, 25],
[2, 45, 15, 64, 46, 16],
[17, 152, 122, 4, 153, 123],
[29, 74, 46, 14, 75, 47],
[49, 54, 24, 10, 55, 25],
[24, 45, 15, 46, 46, 16],
[4, 152, 122, 18, 153, 123],
[13, 74, 46, 32, 75, 47],
[48, 54, 24, 14, 55, 25],
[42, 45, 15, 32, 46, 16],
[20, 147, 117, 4, 148, 118],
[40, 75, 47, 7, 76, 48],
[43, 54, 24, 22, 55, 25],
[10, 45, 15, 67, 46, 16],
[19, 148, 118, 6, 149, 119],
[18, 75, 47, 31, 76, 48],
[34, 54, 24, 34, 55, 25],
[20, 45, 15, 61, 46, 16],
];
const qrRSBlock = function (totalCount, dataCount) {
const _this = {};
_this.totalCount = totalCount;
_this.dataCount = dataCount;
return _this;
};
const _this = {};
const getRsBlockTable = function (typeNumber, errorCorrectLevel) {
switch (errorCorrectLevel) {
case QRErrorCorrectLevel.L:
return RS_BLOCK_TABLE[(typeNumber - 1) * 4 + 0];
case QRErrorCorrectLevel.M:
return RS_BLOCK_TABLE[(typeNumber - 1) * 4 + 1];
case QRErrorCorrectLevel.Q:
return RS_BLOCK_TABLE[(typeNumber - 1) * 4 + 2];
case QRErrorCorrectLevel.H:
return RS_BLOCK_TABLE[(typeNumber - 1) * 4 + 3];
default:
return undefined;
}
};
_this.getRSBlocks = function (typeNumber, errorCorrectLevel) {
const rsBlock = getRsBlockTable(typeNumber, errorCorrectLevel);
if (typeof rsBlock === 'undefined') {
throw new Error('bad rs block @ typeNumber:' + typeNumber + '/errorCorrectLevel:' + errorCorrectLevel);
}
const length = rsBlock.length / 3;
const list = [];
for (let i = 0; i < length; i += 1) {
const count = rsBlock[i * 3 + 0];
const totalCount = rsBlock[i * 3 + 1];
const dataCount = rsBlock[i * 3 + 2];
for (let j = 0; j < count; j += 1) {
list.push(qrRSBlock(totalCount, dataCount));
}
}
return list;
};
return _this;
})();
// ---------------------------------------------------------------------
// qrBitBuffer
// ---------------------------------------------------------------------
var qrBitBuffer = function () {
const _buffer = [];
let _length = 0;
const _this = {};
_this.getBuffer = function () {
return _buffer;
};
_this.getAt = function (index) {
const bufIndex = Math.floor(index / 8);
return ((_buffer[bufIndex] >>> (7 - (index % 8))) & 1) == 1;
};
_this.put = function (num, length) {
for (let i = 0; i < length; i += 1) {
_this.putBit(((num >>> (length - i - 1)) & 1) == 1);
}
};
_this.getLengthInBits = function () {
return _length;
};
_this.putBit = function (bit) {
const 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) {
const _mode = QRMode.MODE_8BIT_BYTE;
const _data = data;
let _parsedData = [];
const _this = {};
// Added to support UTF-8 Characters
for (let i = 0, l = _data.length; i < l; i++) {
const byteArray = [];
const code = _data.charCodeAt(i);
if (code > 0x10000) {
byteArray[0] = 0xf0 | ((code & 0x1c0000) >>> 18);
byteArray[1] = 0x80 | ((code & 0x3f000) >>> 12);
byteArray[2] = 0x80 | ((code & 0xfc0) >>> 6);
byteArray[3] = 0x80 | (code & 0x3f);
}
else if (code > 0x800) {
byteArray[0] = 0xe0 | ((code & 0xf000) >>> 12);
byteArray[1] = 0x80 | ((code & 0xfc0) >>> 6);
byteArray[2] = 0x80 | (code & 0x3f);
}
else if (code > 0x80) {
byteArray[0] = 0xc0 | ((code & 0x7c0) >>> 6);
byteArray[1] = 0x80 | (code & 0x3f);
}
else {
byteArray[0] = code;
}
// Fix Unicode corruption bug
_parsedData.push(byteArray);
}
_parsedData = Array.prototype.concat.apply([], _parsedData);
if (_parsedData.length != _data.length) {
_parsedData.unshift(191);
_parsedData.unshift(187);
_parsedData.unshift(239);
}
const _bytes = _parsedData;
_this.getMode = function () {
return _mode;
};
_this.getLength = function () {
return _bytes.length;
};
_this.write = function (buffer) {
for (let i = 0; i < _bytes.length; i += 1) {
buffer.put(_bytes[i], 8);
}
};
return _this;
};
//= ====================================================================
// GIF Support etc.
//
// ---------------------------------------------------------------------
// byteArrayOutputStream
// ---------------------------------------------------------------------
const byteArrayOutputStream = function () {
const _bytes = [];
const _this = {};
_this.writeByte = function (b) {
_bytes.push(b & 0xff);
};
_this.writeShort = function (i) {
_this.writeByte(i);
_this.writeByte(i >>> 8);
};
_this.writeBytes = function (b, off, len) {
off = off || 0;
len = len || b.length;
for (let i = 0; i < len; i += 1) {
_this.writeByte(b[i + off]);
}
};
_this.writeString = function (s) {
for (let i = 0; i < s.length; i += 1) {
_this.writeByte(s.charCodeAt(i));
}
};
_this.toByteArray = function () {
return _bytes;
};
_this.toString = function () {
let s = '';
s += '[';
for (let i = 0; i < _bytes.length; i += 1) {
if (i > 0) {
s += ',';
}
s += _bytes[i];
}
s += ']';
return s;
};
return _this;
};
// ---------------------------------------------------------------------
// base64EncodeOutputStream
// ---------------------------------------------------------------------
const base64EncodeOutputStream = function () {
let _buffer = 0;
let _buflen = 0;
let _length = 0;
let _base64 = '';
const _this = {};
const writeEncoded = function (b) {
_base64 += String.fromCharCode(encode(b & 0x3f));
};
var encode = function (n) {
if (n < 0) {
// error.
}
else if (n < 26) {
return 0x41 + n;
}
else if (n < 52) {
return 0x61 + (n - 26);
}
else if (n < 62) {
return 0x30 + (n - 52);
}
else if (n == 62) {
return 0x2b;
}
else if (n == 63) {
return 0x2f;
}
throw new Error('n:' + n);
};
_this.writeByte = function (n) {
_buffer = (_buffer << 8) | (n & 0xff);
_buflen += 8;
_length += 1;
while (_buflen >= 6) {
writeEncoded(_buffer >>> (_buflen - 6));
_buflen -= 6;
}
};
_this.flush = function () {
if (_buflen > 0) {
writeEncoded(_buffer << (6 - _buflen));
_buffer = 0;
_buflen = 0;
}
if (_length % 3 != 0) {
// padding
const padlen = 3 - (_length % 3);
for (let i = 0; i < padlen; i += 1) {
_base64 += '=';
}
}
};
_this.toString = function () {
return _base64;
};
return _this;
};
// ---------------------------------------------------------------------
// base64DecodeInputStream
// ---------------------------------------------------------------------
var base64DecodeInputStream = function (str) {
const _str = str;
let _pos = 0;
let _buffer = 0;
let _buflen = 0;
const _this = {};
_this.read = function () {
while (_buflen < 8) {
if (_pos >= _str.length) {
if (_buflen == 0) {
return -1;
}
throw new Error('unexpected end of file./' + _buflen);
}
const c = _str.charAt(_pos);
_pos += 1;
if (c == '=') {
_buflen = 0;
return -1;
}
else if (c.match(/^\s$/)) {
// ignore if whitespace.
continue;
}
_buffer = (_buffer << 6) | decode(c.charCodeAt(0));
_buflen += 6;
}
const n = (_buffer >>> (_buflen - 8)) & 0xff;
_buflen -= 8;
return n;
};
var decode = function (c) {
if (c >= 0x41 && c <= 0x5a) {
return c - 0x41;
}
else if (c >= 0x61 && c <= 0x7a) {
return c - 0x61 + 26;
}
else if (c >= 0x30 && c <= 0x39) {
return c - 0x30 + 52;
}
else if (c == 0x2b) {
return 62;
}
else if (c == 0x2f) {
return 63;
}
else {
throw new Error('c:' + c);
}
};
return _this;
};
// ---------------------------------------------------------------------
// gifImage (B/W)
// ---------------------------------------------------------------------
const gifImage = function (width, height) {
const _width = width;
const _height = height;
const _data = new Array(width * height);
const _this = {};
_this.setPixel = function (x, y, pixel) {
_data[y * _width + x] = pixel;
};
_this.write = function (out, blackColor = '#000000', whiteColor = '#ffffff') {
// ---------------------------------
// GIF Signature
out.writeString('GIF87a');
// ---------------------------------
// Screen Descriptor
out.writeShort(_width);
out.writeShort(_height);
out.writeByte(0x80); // 2bit
out.writeByte(0);
out.writeByte(0);
// ---------------------------------
// Global Color Map
const black = blackColor.split('');
// black
out.writeByte(parseInt(`${black[1]}${black[2]}`, 16));
out.writeByte(parseInt(`${black[3]}${black[4]}`, 16));
out.writeByte(parseInt(`${black[5]}${black[6]}`, 16));
const white = whiteColor.split('');
// white
out.writeByte(parseInt(`${white[1]}${white[2]}`, 16));
out.writeByte(parseInt(`${white[3]}${white[4]}`, 16));
out.writeByte(parseInt(`${white[5]}${white[6]}`, 16));
// ---------------------------------
// Image Descriptor
out.writeString(',');
out.writeShort(0);
out.writeShort(0);
out.writeShort(_width);
out.writeShort(_height);
out.writeByte(0);
// ---------------------------------
// Local Color Map
// ---------------------------------
// Raster Data
const lzwMinCodeSize = 2;
const raster = getLZWRaster(lzwMinCodeSize);
out.writeByte(lzwMinCodeSize);
let offset = 0;
while (raster.length - offset > 255) {
out.writeByte(255);
out.writeBytes(raster, offset, 255);
offset += 255;
}
out.writeByte(raster.length - offset);
out.writeBytes(raster, offset, raster.length - offset);
out.writeByte(0x00);
// ---------------------------------
// GIF Terminator
out.writeString(';');
};
const bitOutputStream = function (out) {
const _out = out;
let _bitLength = 0;
let _bitBuffer = 0;
const _this = {};
_this.write = function (data, length) {
if (data >>> length != 0) {
throw new Error('length over');
}
while (_bitLength + length >= 8) {
_out.writeByte(0xff & ((data << _bitLength) | _bitBuffer));
length -= 8 - _bitLength;
data >>>= 8 - _bitLength;
_bitBuffer = 0;
_bitLength = 0;
}
_bitBuffer = (data << _bitLength) | _bitBuffer;
_bitLength = _bitLength + length;
};
_this.flush = function () {
if (_bitLength > 0) {
_out.writeByte(_bitBuffer);
}
};
return _this;
};
var getLZWRaster = function (lzwMinCodeSize) {
const clearCode = 1 << lzwMinCodeSize;
const endCode = (1 << lzwMinCodeSize) + 1;
let bitLength = lzwMinCodeSize + 1;
// Setup LZWTable
const table = lzwTable();
for (let i = 0; i < clearCode; i += 1) {
table.add(String.fromCharCode(i));
}
table.add(String.fromCharCode(clearCode));
table.add(String.fromCharCode(endCode));
const byteOut = byteArrayOutputStream();
const bitOut = bitOutputStream(byteOut);
// clear code
bitOut.write(clearCode, bitLength);
let dataIndex = 0;
let s = String.fromCharCode(_data[dataIndex]);
dataIndex += 1;
while (dataIndex < _data.length) {
const c = String.fromCharCode(_data[dataIndex]);
dataIndex += 1;
if (table.contains(s + c)) {
s = s + c;
}
else {
bitOut.write(table.indexOf(s), bitLength);
if (table.size() < 0xfff) {
if (table.size() == 1 << bitLength) {
bitLength += 1;
}
table.add(s + c);
}
s = c;
}
}
bitOut.write(table.indexOf(s), bitLength);
// end code
bitOut.write(endCode, bitLength);
bitOut.flush();
return byteOut.toByteArray();
};
var lzwTable = function () {
const _map = {};
let _size = 0;
const _this = {};
_this.add = function (key) {
if (_this.contains(key)) {
throw new Error('dup key:' + key);
}
_map[key] = _size;
_size += 1;
};
_this.size = function () {
return _size;
};
_this.indexOf = function (key) {
return _map[key];
};
_this.contains = function (key) {
return typeof _map[key] !== 'undefined';
};
return _this;
};
return _this;
};
var createImgTag = function (width, height, getPixel, black, white) {
const gif = gifImage(width, height);
for (let y = 0; y < height; y += 1) {
for (let x = 0; x < width; x += 1) {
gif.setPixel(x, y, getPixel(x, y));
}
}
const b = byteArrayOutputStream();
gif.write(b, black, white);
const base64 = base64EncodeOutputStream();
const bytes = b.toByteArray();
for (let i = 0; i < bytes.length; i += 1) {
base64.writeByte(bytes[i]);
}
base64.flush();
let img = '';
img += 'data:image/gif;base64,';
img += base64;
return img;
};
// ---------------------------------------------------------------------
// returns qrcode function.
export const createQrCodeImg = function (text, options) {
var _a, _b, _c, _d, _e;
options = options !== null && options !== void 0 ? options : {};
const typeNumber = (_a = options.typeNumber) !== null && _a !== void 0 ? _a : 4;
const errorCorrectLevel = (_b = options.errorCorrectLevel) !== null && _b !== void 0 ? _b : 'M';
const size = (_c = options.size) !== null && _c !== void 0 ? _c : 500;
const black = (_d = options.black) !== null && _d !== void 0 ? _d : '#000000';
const white = (_e = options.white) !== null && _e !== void 0 ? _e : '#FFFFFF';
let qr;
try {
qr = qrcode(typeNumber, errorCorrectLevel !== null && errorCorrectLevel !== void 0 ? errorCorrectLevel : 'M');
qr.addData(text);
qr.make();
}
catch (e) {
if (typeNumber >= 40) {
throw new Error('Text too long to encode');
}
else {
return createQrCodeImg(text, {
size: size,
errorCorrectLevel: errorCorrectLevel,
typeNumber: typeNumber + 1,
black,
white,
});
}
}
// calc cellsize and margin
const cellsize = parseInt(`${size / qr.getModuleCount()}`);
c