obniz
Version:
obniz sdk for javascript
1,357 lines • 55.6 kB
JavaScript
"use strict";
/**
* @packageDocumentation
* @ignore
*/
Object.defineProperty(exports, "__esModule", { value: true });
/* eslint-disable */
/* Thanks Kazuhiko Arase */
/* https://github.com/kazuhikoarase/qrcode-generator/tree/master/js */
// ---------------------------------------------------------------------
//
// 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
//
// ---------------------------------------------------------------------
const _qrcode = (() => {
// --------------------------------------------------------------------
// qrcode
// ---------------------------------------------------------------------
/**
* qrcode
* @param _typeNumber 1 to 40
* @param errorCorrectionLevelStr 'L','M','Q','H'
*/
const qrcode = (_typeNumber, errorCorrectionLevelStr) => {
const PAD0 = 0xec;
const PAD1 = 0x11;
const _errorCorrectionLevel = QRErrorCorrectionLevel[errorCorrectionLevelStr];
let _modules = null;
let _moduleCount = 0;
let _dataCache = null;
const _dataList = [];
const _this = {};
const makeImpl = (test, maskPattern) => {
_moduleCount = _typeNumber * 4 + 17;
_modules = ((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, _errorCorrectionLevel, _dataList);
}
mapData(_dataCache, maskPattern);
};
const setupPositionProbePattern = (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 ((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;
}
}
}
};
const getBestMaskPattern = () => {
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;
};
const setupTimingPattern = () => {
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;
}
};
const setupPositionAdjustPattern = () => {
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;
}
}
}
}
}
};
const setupTypeNumber = (test) => {
const bits = QRUtil.getBCHTypeNumber(_typeNumber);
for (let i = 0; i < 18; i += 1) {
const mod = !test && ((bits >> i) & 1) === 1;
_modules[Math.floor(i / 3)][(i % 3) + _moduleCount - 8 - 3] = mod;
}
for (let i = 0; i < 18; i += 1) {
const mod = !test && ((bits >> i) & 1) === 1;
_modules[(i % 3) + _moduleCount - 8 - 3][Math.floor(i / 3)] = mod;
}
};
const setupTypeInfo = (test, maskPattern) => {
const data = (_errorCorrectionLevel << 3) | maskPattern;
const bits = QRUtil.getBCHTypeInfo(data);
// vertical
for (let i = 0; i < 15; i += 1) {
const 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 (let i = 0; i < 15; i += 1) {
const 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;
};
const mapData = (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 = (buffer, rsBlocks) => {
let offset = 0;
let maxDcCount = 0;
let maxEcCount = 0;
const dcdata = new Array(rsBlocks.length);
const ecdata = new Array(rsBlocks.length);
for (let 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 (let 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 (let 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 (let i = 0; i < rsBlocks.length; i += 1) {
totalCodeCount += rsBlocks[i].totalCount;
}
const data = new Array(totalCodeCount);
let index = 0;
for (let i = 0; i < maxDcCount; i += 1) {
for (let r = 0; r < rsBlocks.length; r += 1) {
if (i < dcdata[r].length) {
data[index] = dcdata[r][i];
index += 1;
}
}
}
for (let i = 0; i < maxEcCount; i += 1) {
for (let r = 0; r < rsBlocks.length; r += 1) {
if (i < ecdata[r].length) {
data[index] = ecdata[r][i];
index += 1;
}
}
}
return data;
};
const createData = (typeNumber, errorCorrectionLevel, dataList) => {
const rsBlocks = QRRSBlock.getRSBlocks(typeNumber, errorCorrectionLevel);
const buffer = qrBitBuffer();
for (let 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 (let 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 = (data, mode) => {
mode = mode || "Byte";
let newData = null;
switch (mode) {
case "Numeric":
newData = qrNumber(data);
break;
case "Alphanumeric":
newData = qrAlphaNum(data);
break;
case "Byte":
newData = qr8BitByte(data);
break;
case "Kanji":
newData = qrKanji(data);
break;
default:
throw new Error("mode:" + mode);
}
_dataList.push(newData);
_dataCache = null;
};
_this.getModules = () => {
return _modules;
};
_this.isDark = (row, col) => {
if (row < 0 || _moduleCount <= row || col < 0 || _moduleCount <= col) {
throw new Error(row + "," + col);
}
return _modules[row][col];
};
_this.getModuleCount = () => {
return _moduleCount;
};
_this.make = () => {
if (_typeNumber < 1) {
let typeNumber = 1;
for (; typeNumber < 40; typeNumber++) {
const rsBlocks = QRRSBlock.getRSBlocks(typeNumber, _errorCorrectionLevel);
const buffer = qrBitBuffer();
for (let i = 0; i < _dataList.length; i++) {
const data = _dataList[i];
buffer.put(data.getMode(), 4);
buffer.put(data.getLength(), QRUtil.getLengthInBits(data.getMode(), typeNumber));
data.write(buffer);
}
let totalDataCount = 0;
for (let i = 0; i < rsBlocks.length; i++) {
totalDataCount += rsBlocks[i].dataCount;
}
if (buffer.getLengthInBits() <= totalDataCount * 8) {
break;
}
}
_typeNumber = typeNumber;
}
makeImpl(false, getBestMaskPattern());
};
_this.createTableTag = (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.renderTo2dContext = (context, cellSize) => {
cellSize = cellSize || 2;
const length = _this.getModuleCount();
for (let row = 0; row < length; row++) {
for (let col = 0; col < length; col++) {
context.fillStyle = _this.isDark(row, col) ? "black" : "white";
context.fillRect(row * cellSize, col * cellSize, cellSize, cellSize);
}
}
};
return _this;
};
// ---------------------------------------------------------------------
// qrcode.stringToBytes
// ---------------------------------------------------------------------
qrcode.stringToBytesFuncs = {
default(s) {
const bytes = [];
for (let i = 0; i < s.length; i += 1) {
const c = s.charCodeAt(i);
bytes.push(c & 0xff);
}
return bytes;
},
};
qrcode.stringToBytes = qrcode.stringToBytesFuncs.default;
// ---------------------------------------------------------------------
// qrcode.createStringToBytes
// ---------------------------------------------------------------------
/**
* @param unicodeData base64 string of byte array.
* [16bit Unicode],[16bit Bytes], ...
* @param numChars
*/
qrcode.createStringToBytes = (unicodeData, numChars) => {
// create conversion map.
const unicodeMap = (() => {
const bin = base64DecodeInputStream(unicodeData);
const read = () => {
const b = bin.read();
if (b === -1) {
throw new Error("eof");
}
return b;
};
let count = 0;
const result = {};
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;
result[k] = v;
count += 1;
}
if (count !== numChars) {
throw new Error(count + " !==" + numChars);
}
return result;
})();
const unknownChar = "?".charCodeAt(0);
return (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,
};
// ---------------------------------------------------------------------
// QRErrorCorrectionLevel
// ---------------------------------------------------------------------
const QRErrorCorrectionLevel = {
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
// ---------------------------------------------------------------------
const QRUtil = (() => {
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 = (data) => {
let digit = 0;
while (data !== 0) {
digit += 1;
data >>>= 1;
}
return digit;
};
_this.getBCHTypeInfo = (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 = (data) => {
let d = data << 12;
while (getBCHDigit(d) - getBCHDigit(G18) >= 0) {
d ^= G18 << (getBCHDigit(d) - getBCHDigit(G18));
}
return (data << 12) | d;
};
_this.getPatternPosition = (typeNumber) => {
return PATTERN_POSITION_TABLE[typeNumber - 1];
};
_this.getMaskFunction = (maskPattern) => {
switch (maskPattern) {
case QRMaskPattern.PATTERN000:
return (i, j) => {
return (i + j) % 2 === 0;
};
case QRMaskPattern.PATTERN001:
return (i, j) => {
return i % 2 === 0;
};
case QRMaskPattern.PATTERN010:
return (i, j) => {
return j % 3 === 0;
};
case QRMaskPattern.PATTERN011:
return (i, j) => {
return (i + j) % 3 === 0;
};
case QRMaskPattern.PATTERN100:
return (i, j) => {
return (Math.floor(i / 2) + Math.floor(j / 3)) % 2 === 0;
};
case QRMaskPattern.PATTERN101:
return (i, j) => {
return ((i * j) % 2) + ((i * j) % 3) === 0;
};
case QRMaskPattern.PATTERN110:
return (i, j) => {
return (((i * j) % 2) + ((i * j) % 3)) % 2 === 0;
};
case QRMaskPattern.PATTERN111:
return (i, j) => {
return (((i * j) % 3) + ((i + j) % 2)) % 2 === 0;
};
default:
throw new Error("bad maskPattern:" + maskPattern);
}
};
_this.getErrorCorrectPolynomial = (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 = (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 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 = (__qrcode) => {
const moduleCount = __qrcode.getModuleCount();
let lostPoint = 0;
// LEVEL1
for (let row = 0; row < moduleCount; row += 1) {
for (let 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 (let row = 0; row < moduleCount - 1; row += 1) {
for (let 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 (let row = 0; row < moduleCount; row += 1) {
for (let 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 (let col = 0; col < moduleCount; col += 1) {
for (let 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 (let col = 0; col < moduleCount; col += 1) {
for (let 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
// ---------------------------------------------------------------------
const QRMath = (() => {
const EXP_TABLE = new Array(256);
const LOG_TABLE = new Array(256);
// initialize tables
for (let i = 0; i < 8; i += 1) {
EXP_TABLE[i] = 1 << i;
}
for (let 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 (let i = 0; i < 255; i += 1) {
LOG_TABLE[EXP_TABLE[i]] = i;
}
const _this = {};
_this.glog = (n) => {
if (n < 1) {
throw new Error("glog(" + n + ")");
}
return LOG_TABLE[n];
};
_this.gexp = (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 = (() => {
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 = (index) => {
return _num[index];
};
_this.getLength = () => {
return _num.length;
};
_this.multiply = (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 = (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 (let i = 0; i < _this.getLength(); i += 1) {
__num[i] = _this.getAt(i);
}
for (let 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
// ---------------------------------------------------------------------
const QRRSBlock = (() => {
const RS_BLOCK_TABLE = [
// L
// M
// Q
// H
// 1
[1, 26, 19],
[1, 26, 16],
[1, 26, 13],
[1, 26, 9],
// 2
[1, 44, 34],
[1, 44, 28],
[1, 44, 22],
[1, 44, 16],
// 3
[1, 70, 55],
[1, 70, 44],
[2, 35, 17],
[2, 35, 13],
// 4
[1, 100, 80],
[2, 50, 32],
[2, 50, 24],
[4, 25, 9],
// 5
[1, 134, 108],
[2, 67, 43],
[2, 33, 15, 2, 34, 16],
[2, 33, 11, 2, 34, 12],
// 6
[2, 86, 68],
[4, 43, 27],
[4, 43, 19],
[4, 43, 15],
// 7
[2, 98, 78],
[4, 49, 31],
[2, 32, 14, 4, 33, 15],
[4, 39, 13, 1, 40, 14],
// 8
[2, 121, 97],
[2, 60, 38, 2, 61, 39],
[4, 40, 18, 2, 41, 19],
[4, 40, 14, 2, 41, 15],
// 9
[2, 146, 116],
[3, 58, 36, 2, 59, 37],
[4, 36, 16, 4, 37, 17],
[4, 36, 12, 4, 37, 13],
// 10
[2, 86, 68, 2, 87, 69],
[4, 69, 43, 1, 70, 44],
[6, 43, 19, 2, 44, 20],
[6, 43, 15, 2, 44, 16],
// 11
[4, 101, 81],
[1, 80, 50, 4, 81, 51],
[4, 50, 22, 4, 51, 23],
[3, 36, 12, 8, 37, 13],
// 12
[2, 116, 92, 2, 117, 93],
[6, 58, 36, 2, 59, 37],
[4, 46, 20, 6, 47, 21],
[7, 42, 14, 4, 43, 15],
// 13
[4, 133, 107],
[8, 59, 37, 1, 60, 38],
[8, 44, 20, 4, 45, 21],
[12, 33, 11, 4, 34, 12],
// 14
[3, 145, 115, 1, 146, 116],
[4, 64, 40, 5, 65, 41],
[11, 36, 16, 5, 37, 17],
[11, 36, 12, 5, 37, 13],
// 15
[5, 109, 87, 1, 110, 88],
[5, 65, 41, 5, 66, 42],
[5, 54, 24, 7, 55, 25],
[11, 36, 12, 7, 37, 13],
// 16
[5, 122, 98, 1, 123, 99],
[7, 73, 45, 3, 74, 46],
[15, 43, 19, 2, 44, 20],
[3, 45, 15, 13, 46, 16],
// 17
[1, 135, 107, 5, 136, 108],
[10, 74, 46, 1, 75, 47],
[1, 50, 22, 15, 51, 23],
[2, 42, 14, 17, 43, 15],
// 18
[5, 150, 120, 1, 151, 121],
[9, 69, 43, 4, 70, 44],
[17, 50, 22, 1, 51, 23],
[2, 42, 14, 19, 43, 15],
// 19
[3, 141, 113, 4, 142, 114],
[3, 70, 44, 11, 71, 45],
[17, 47, 21, 4, 48, 22],
[9, 39, 13, 16, 40, 14],
// 20
[3, 135, 107, 5, 136, 108],
[3, 67, 41, 13, 68, 42],
[15, 54, 24, 5, 55, 25],
[15, 43, 15, 10, 44, 16],
// 21
[4, 144, 116, 4, 145, 117],
[17, 68, 42],
[17, 50, 22, 6, 51, 23],
[19, 46, 16, 6, 47, 17],
// 22
[2, 139, 111, 7, 140, 112],
[17, 74, 46],
[7, 54, 24, 16, 55, 25],
[34, 37, 13],
// 23
[4, 151, 121, 5, 152, 122],
[4, 75, 47, 14, 76, 48],
[11, 54, 24, 14, 55, 25],
[16, 45, 15, 14, 46, 16],
// 24
[6, 147, 117, 4, 148, 118],
[6, 73, 45, 14, 74, 46],
[11, 54, 24, 16, 55, 25],
[30, 46, 16, 2, 47, 17],
// 25
[8, 132, 106, 4, 133, 107],
[8, 75, 47, 13, 76, 48],
[7, 54, 24, 22, 55, 25],
[22, 45, 15, 13, 46, 16],
// 26
[10, 142, 114, 2, 143, 115],
[19, 74, 46, 4, 75, 47],
[28, 50, 22, 6, 51, 23],
[33, 46, 16, 4, 47, 17],
// 27
[8, 152, 122, 4, 153, 123],
[22, 73, 45, 3, 74, 46],
[8, 53, 23, 26, 54, 24],
[12, 45, 15, 28, 46, 16],
// 28
[3, 147, 117, 10, 148, 118],
[3, 73, 45, 23, 74, 46],
[4, 54, 24, 31, 55, 25],
[11, 45, 15, 31, 46, 16],
// 29
[7, 146, 116, 7, 147, 117],
[21, 73, 45, 7, 74, 46],
[1, 53, 23, 37, 54, 24],
[19, 45, 15, 26, 46, 16],
// 30
[5, 145, 115, 10, 146, 116],
[19, 75, 47, 10, 76, 48],
[15, 54, 24, 25, 55, 25],
[23, 45, 15, 25, 46, 16],
// 31
[13, 145, 115, 3, 146, 116],
[2, 74, 46, 29, 75, 47],
[42, 54, 24, 1, 55, 25],
[23, 45, 15, 28, 46, 16],
// 32
[17, 145, 115],
[10, 74, 46, 23, 75, 47],
[10, 54, 24, 35, 55, 25],
[19, 45, 15, 35, 46, 16],
// 33
[17, 145, 115, 1, 146, 116],
[14, 74, 46, 21, 75, 47],
[29, 54, 24, 19, 55, 25],
[11, 45, 15, 46, 46, 16],
// 34
[13, 145, 115, 6, 146, 116],
[14, 74, 46, 23, 75, 47],
[44, 54, 24, 7, 55, 25],
[59, 46, 16, 1, 47, 17],
// 35
[12, 151, 121, 7, 152, 122],
[12, 75, 47, 26, 76, 48],
[39, 54, 24, 14, 55, 25],
[22, 45, 15, 41, 46, 16],
// 36
[6, 151, 121, 14, 152, 122],
[6, 75, 47, 34, 76, 48],
[46, 54, 24, 10, 55, 25],
[2, 45, 15, 64, 46, 16],
// 37
[17, 152, 122, 4, 153, 123],
[29, 74, 46, 14, 75, 47],
[49, 54, 24, 10, 55, 25],
[24, 45, 15, 46, 46, 16],
// 38
[4, 152, 122, 18, 153, 123],
[13, 74, 46, 32, 75, 47],
[48, 54, 24, 14, 55, 25],
[42, 45, 15, 32, 46, 16],
// 39
[20, 147, 117, 4, 148, 118],
[40, 75, 47, 7, 76, 48],
[43, 54, 24, 22, 55, 25],
[10, 45, 15, 67, 46, 16],
// 40
[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 = (totalCount, dataCount) => {
const result = {};
result.totalCount = totalCount;
result.dataCount = dataCount;
return result;
};
const _this = {};
const getRsBlockTable = (typeNumber, errorCorrectionLevel) => {
switch (errorCorrectionLevel) {
case QRErrorCorrectionLevel.L:
return RS_BLOCK_TABLE[(typeNumber - 1) * 4 + 0];
case QRErrorCorrectionLevel.M:
return RS_BLOCK_TABLE[(typeNumber - 1) * 4 + 1];
case QRErrorCorrectionLevel.Q:
return RS_BLOCK_TABLE[(typeNumber - 1) * 4 + 2];
case QRErrorCorrectionLevel.H:
return RS_BLOCK_TABLE[(typeNumber - 1) * 4 + 3];
default:
return undefined;
}
};
_this.getRSBlocks = (typeNumber, errorCorrectionLevel) => {
const rsBlock = getRsBlockTable(typeNumber, errorCorrectionLevel);
if (typeof rsBlock === "undefined") {
throw new Error("bad rs block @ typeNumber:" + typeNumber + "/errorCorrectionLevel:" + errorCorrectionLevel);
}
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
// ---------------------------------------------------------------------
const qrBitBuffer = () => {
const _buffer = [];
let _length = 0;
const _this = {};
_this.getBuffer = () => {
return _buffer;
};
_this.getAt = (index) => {
const bufIndex = Math.floor(index / 8);
return ((_buffer[bufIndex] >>> (7 - (index % 8))) & 1) === 1;
};
_this.put = (num, length) => {
for (let i = 0; i < length; i += 1) {
_this.putBit(((num >>> (length - i - 1)) & 1) === 1);
}
};
_this.getLengthInBits = () => {
return _length;
};
_this.putBit = (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;
};
// ---------------------------------------------------------------------
// qrNumber
// ---------------------------------------------------------------------
const qrNumber = (_data) => {
const _mode = QRMode.MODE_NUMBER;
const _this = {};
_this.getMode = () => {
return _mode;
};
_this.getLength = (buffer) => {
return _data.length;
};
_this.write = (buffer) => {
const data = _data;
let i = 0;
while (i + 2 < data.length) {
buffer.put(strToNum(data.substring(i, i + 3)), 10);
i += 3;
}
if (i < data.length) {
if (data.length - i === 1) {
buffer.put(strToNum(data.substring(i, i + 1)), 4);
}
else if (data.length - i === 2) {
buffer.put(strToNum(data.substring(i, i + 2)), 7);
}
}
};
const strToNum = (s) => {
let num = 0;
for (let i = 0; i < s.length; i += 1) {
num = num * 10 + chatToNum(s.charAt(i));
}
return num;
};
const chatToNum = (c) => {
if ("0" <= c && c <= "9") {
return c.charCodeAt(0) - "0".charCodeAt(0);
}
throw new Error("illegal char :" + c);
};
return _this;
};
// ---------------------------------------------------------------------
// qrAlphaNum
// ---------------------------------------------------------------------
const qrAlphaNum = (data) => {
const _mode = QRMode.MODE_ALPHA_NUM;
const _data = data;
const _this = {};
_this.getMode = () => {
return _mode;
};
_this.getLength = (buffer) => {
return _data.length;
};
_this.write = (buffer) => {
const s = _data;
let i = 0;
while (i + 1 < s.length) {
buffer.put(getCode(s.charAt(i)) * 45 + getCode(s.charAt(i + 1)), 11);
i += 2;
}
if (i < s.length) {
buffer.put(getCode(s.charAt(i)), 6);
}
};
const getCode = (c) => {
if ("0" <= c && c <= "9") {
return c.charCodeAt(0) - "0".charCodeAt(0);
}
else if ("A" <= c && c <= "Z") {
return c.charCodeAt(0) - "A".charCodeAt(0) + 10;
}
else {
switch (c) {
case " ":
return 36;
case "$":
return 37;
case "%":
return 38;
case "*":
return 39;
case "+":
return 40;
case "-":
return 41;
case ".":
return 42;
case "/":
return 43;
case ":":
return 44;
default:
throw new Error("illegal char :" + c);
}
}
};
return _this;
};
// ---------------------------------------------------------------------
// qr8BitByte
// ---------------------------------------------------------------------
const qr8BitByte = (data) => {
const _mode = QRMode.MODE_8BIT_BYTE;
const _data = data;
const _bytes = qrcode.stringToBytes(data);
const _this = {};
_this.getMode = () => {
return _mode;
};
_this.getLength = (buffer) => {
return _bytes.length;
};
_this.write = (buffer) => {
for (let i = 0; i < _bytes.length; i += 1) {
buffer.put(_bytes[i], 8);
}
};
return _this;
};
// ---------------------------------------------------------------------
// qrKanji
// ---------------------------------------------------------------------
const qrKanji = (data) => {
const _mode = QRMode.MODE_KANJI;
const _data = data;
const stringToBytes = qrcode.stringToBytesFuncs.SJIS;
if (!stringToBytes) {
throw new Error("sjis not supported.");
}
// tslint:disable:no-unused-expression
// @ts-ignore
!((c, code) => {
// self test for sjis support.
const test = stringToBytes(c);
if (test.length !== 2 || ((test[0] << 8) | test[1]) !== code) {
throw new Error("sjis not supported.");
}
})("\u53cb", 0x9746);
// tslint:enable:no-unused-expression
const _bytes = stringToBytes(data);
const _this = {};
_this.getMode = () => {
return _mode;
};
_this.getLength = (buffer) => {
return ~~(_bytes.length / 2);
};
_this.write = (buffer) => {
const __data = _bytes;
let i = 0;
while (i + 1 < __data.length) {
let c = ((0xff & __data[i]) << 8) | (0xff & __data[i + 1]);
if (0x8140 <= c && c <= 0x9ffc) {
c -= 0x8140;
}
else if (0xe040 <= c && c <= 0xebbf) {
c -= 0xc140;
}
else {
throw new Error("illegal char at " + (i + 1) + "/" + c);
}
c = ((c >>> 8) & 0xff) * 0xc0 + (c & 0xff);
buffer.put(c, 13);
i += 2;
}
if (i < __data.length) {
throw new Error("illegal char at " + (i + 1));
}
};
return _this;
};
// =====================================================================
// GIF Support etc.
//
// ---------------------------------------------------------------------
// byteArrayOutputStream
// ---------------------------------------------------------------------
const byteArrayOutputStream = () => {
const _bytes = [];
const _this = {};
_this.writeByte = (b) => {
_bytes.push(b & 0xff);
};
_this.writeShort = (i) => {
_this.writeByte(i);
_this.writeByte(i >>> 8);
};
_this.writeBytes = (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 = (s) => {
for (let i = 0; i < s.length; i += 1) {
_this.writeByte(s.charCodeAt(i));
}
};
_this.toByteArray = () => {
return _bytes;
};
_this.toString = () => {
let s = "