1244 lines
32 KiB
TypeScript
1244 lines
32 KiB
TypeScript
//---------------------------------------------------------------------
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// QRCode for JavaScript
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//
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// Copyright (c) 2009 Kazuhiko Arase
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//
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// URL: http://www.d-project.com/
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//
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// Licensed under the MIT license:
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// http://www.opensource.org/licenses/mit-license.php
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//
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// The word "QR Code" is registered trademark of
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// DENSO WAVE INCORPORATED
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// http://www.denso-wave.com/qrcode/faqpatent-e.html
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//
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//---------------------------------------------------------------------
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//---------------------------------------------------------------------
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// QR8bitByte
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//---------------------------------------------------------------------
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class QR8bitByte {
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mode: number
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data: any
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constructor(data) {
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this.mode = QRMode.MODE_8BIT_BYTE
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this.data = data
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}
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getLength(buffer) {
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return this.data.length
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}
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write(buffer) {
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for (var i = 0; i < this.data.length; i++) {
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// not JIS ...
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buffer.put(this.data.charCodeAt(i), 8)
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}
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}
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}
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//---------------------------------------------------------------------
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// QRCode
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//---------------------------------------------------------------------
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export class QRCode {
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static PAD0 = 0xEC
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static PAD1 = 0x11
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typeNumber: any
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errorCorrectLevel: any
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modules: any
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moduleCount: number
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dataCache: any
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dataList: any[]
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constructor(typeNumber, errorCorrectLevel: QRErrorCorrectLevel) {
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this.typeNumber = typeNumber
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this.errorCorrectLevel = errorCorrectLevel
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this.modules = null
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this.moduleCount = 0
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this.dataCache = null
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this.dataList = new Array()
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}
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static createData(typeNumber, errorCorrectLevel, dataList) {
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var rsBlocks = QRRSBlock.getRSBlocks(typeNumber, errorCorrectLevel)
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var buffer = new QRBitBuffer()
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for (var i = 0; i < dataList.length; i++) {
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var data = dataList[i]
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buffer.put(data.mode, 4)
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buffer.put(data.getLength(), QRUtil.getLengthInBits(data.mode, typeNumber))
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data.write(buffer)
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}
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// calc num max data.
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var totalDataCount = 0
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for (var i = 0; i < rsBlocks.length; i++) {
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totalDataCount += rsBlocks[i].dataCount
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}
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if (buffer.getLengthInBits() > totalDataCount * 8) {
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throw new Error("code length overflow. ("
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+ buffer.getLengthInBits()
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+ ">"
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+ totalDataCount * 8
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+ ")")
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}
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// end code
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if (buffer.getLengthInBits() + 4 <= totalDataCount * 8) {
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buffer.put(0, 4)
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}
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// padding
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while (buffer.getLengthInBits() % 8 != 0) {
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buffer.putBit(false)
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}
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// padding
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while (true) {
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if (buffer.getLengthInBits() >= totalDataCount * 8) {
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break
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}
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buffer.put(QRCode.PAD0, 8)
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if (buffer.getLengthInBits() >= totalDataCount * 8) {
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break
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}
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buffer.put(QRCode.PAD1, 8)
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}
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return QRCode.createBytes(buffer, rsBlocks)
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}
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static createBytes(buffer, rsBlocks) {
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var offset = 0
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var maxDcCount = 0
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var maxEcCount = 0
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var dcdata = new Array(rsBlocks.length)
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var ecdata = new Array(rsBlocks.length)
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for (var r = 0; r < rsBlocks.length; r++) {
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var dcCount = rsBlocks[r].dataCount
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var ecCount = rsBlocks[r].totalCount - dcCount
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maxDcCount = Math.max(maxDcCount, dcCount)
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maxEcCount = Math.max(maxEcCount, ecCount)
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dcdata[r] = new Array(dcCount)
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for (var i = 0; i < dcdata[r].length; i++) {
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dcdata[r][i] = 0xff & buffer.buffer[i + offset]
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}
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offset += dcCount
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var rsPoly = QRUtil.getErrorCorrectPolynomial(ecCount)
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var rawPoly = new QRPolynomial(dcdata[r], rsPoly.getLength() - 1)
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var modPoly = rawPoly.mod(rsPoly)
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ecdata[r] = new Array(rsPoly.getLength() - 1)
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for (var i = 0; i < ecdata[r].length; i++) {
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var modIndex = i + modPoly.getLength() - ecdata[r].length
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ecdata[r][i] = (modIndex >= 0) ? modPoly.get(modIndex) : 0
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}
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}
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var totalCodeCount = 0
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for (var i = 0; i < rsBlocks.length; i++) {
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totalCodeCount += rsBlocks[i].totalCount
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}
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var data = new Array(totalCodeCount)
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var index = 0
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for (var i = 0; i < maxDcCount; i++) {
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for (var r = 0; r < rsBlocks.length; r++) {
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if (i < dcdata[r].length) {
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data[index++] = dcdata[r][i]
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}
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}
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}
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for (var i = 0; i < maxEcCount; i++) {
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for (var r = 0; r < rsBlocks.length; r++) {
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if (i < ecdata[r].length) {
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data[index++] = ecdata[r][i]
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}
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}
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}
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return data
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}
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addData(data) {
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var newData = new QR8bitByte(data)
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this.dataList.push(newData)
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this.dataCache = null
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}
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isDark(row, col) {
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if (row < 0 || this.moduleCount <= row || col < 0 || this.moduleCount <= col) {
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throw new Error(row + "," + col)
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}
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return this.modules[row][col]
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}
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getModuleCount() {
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return this.moduleCount
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}
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make() {
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// Calculate automatically typeNumber if provided is < 1
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if (this.typeNumber < 1) {
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var typeNumber = 1
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for (typeNumber = 1; typeNumber < 40; typeNumber++) {
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var rsBlocks = QRRSBlock.getRSBlocks(typeNumber, this.errorCorrectLevel)
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var buffer = new QRBitBuffer()
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var totalDataCount = 0
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for (var i = 0; i < rsBlocks.length; i++) {
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totalDataCount += rsBlocks[i].dataCount
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}
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for (var i = 0; i < this.dataList.length; i++) {
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var data = this.dataList[i]
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buffer.put(data.mode, 4)
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buffer.put(data.getLength(), QRUtil.getLengthInBits(data.mode, typeNumber))
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data.write(buffer)
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}
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if (buffer.getLengthInBits() <= totalDataCount * 8)
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break
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}
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this.typeNumber = typeNumber
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}
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this.makeImpl(false, this.getBestMaskPattern())
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}
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makeImpl(test, maskPattern) {
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this.moduleCount = this.typeNumber * 4 + 17
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this.modules = new Array(this.moduleCount)
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for (var row = 0; row < this.moduleCount; row++) {
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this.modules[row] = new Array(this.moduleCount)
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for (var col = 0; col < this.moduleCount; col++) {
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this.modules[row][col] = null//(col + row) % 3;
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}
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}
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this.setupPositionProbePattern(0, 0)
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this.setupPositionProbePattern(this.moduleCount - 7, 0)
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this.setupPositionProbePattern(0, this.moduleCount - 7)
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this.setupPositionAdjustPattern()
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this.setupTimingPattern()
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this.setupTypeInfo(test, maskPattern)
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if (this.typeNumber >= 7) {
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this.setupTypeNumber(test)
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}
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if (this.dataCache == null) {
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this.dataCache = QRCode.createData(this.typeNumber, this.errorCorrectLevel, this.dataList)
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}
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this.mapData(this.dataCache, maskPattern)
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}
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setupPositionProbePattern(row, col) {
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for (var r = -1; r <= 7; r++) {
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if (row + r <= -1 || this.moduleCount <= row + r) continue
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for (var c = -1; c <= 7; c++) {
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if (col + c <= -1 || this.moduleCount <= col + c) continue
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if ((0 <= r && r <= 6 && (c == 0 || c == 6))
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|| (0 <= c && c <= 6 && (r == 0 || r == 6))
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|| (2 <= r && r <= 4 && 2 <= c && c <= 4)) {
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this.modules[row + r][col + c] = true
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} else {
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this.modules[row + r][col + c] = false
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}
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}
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}
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}
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getBestMaskPattern() {
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var minLostPoint = 0
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var pattern = 0
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for (var i = 0; i < 8; i++) {
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this.makeImpl(true, i)
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var lostPoint = QRUtil.getLostPoint(this)
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if (i == 0 || minLostPoint > lostPoint) {
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minLostPoint = lostPoint
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pattern = i
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}
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}
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return pattern
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}
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createMovieClip(target_mc, instance_name, depth) {
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var qr_mc = target_mc.createEmptyMovieClip(instance_name, depth)
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var cs = 1
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this.make()
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for (var row = 0; row < this.modules.length; row++) {
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var y = row * cs
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for (var col = 0; col < this.modules[row].length; col++) {
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var x = col * cs
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var dark = this.modules[row][col]
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if (dark) {
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qr_mc.beginFill(0, 100)
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qr_mc.moveTo(x, y)
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qr_mc.lineTo(x + cs, y)
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qr_mc.lineTo(x + cs, y + cs)
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qr_mc.lineTo(x, y + cs)
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qr_mc.endFill()
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}
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}
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}
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return qr_mc
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}
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setupTimingPattern() {
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for (var r = 8; r < this.moduleCount - 8; r++) {
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if (this.modules[r][6] != null) {
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continue
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}
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this.modules[r][6] = (r % 2 == 0)
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}
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for (var c = 8; c < this.moduleCount - 8; c++) {
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if (this.modules[6][c] != null) {
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continue
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}
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this.modules[6][c] = (c % 2 == 0)
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}
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}
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setupPositionAdjustPattern() {
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var pos = QRUtil.getPatternPosition(this.typeNumber)
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for (var i = 0; i < pos.length; i++) {
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for (var j = 0; j < pos.length; j++) {
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var row = pos[i]
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var col = pos[j]
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if (this.modules[row][col] != null) {
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continue
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}
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for (var r = -2; r <= 2; r++) {
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for (var c = -2; c <= 2; c++) {
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if (r == -2 || r == 2 || c == -2 || c == 2
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|| (r == 0 && c == 0)) {
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this.modules[row + r][col + c] = true
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} else {
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this.modules[row + r][col + c] = false
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}
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}
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}
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}
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}
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}
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setupTypeNumber(test) {
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var bits = QRUtil.getBCHTypeNumber(this.typeNumber)
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for (var i = 0; i < 18; i++) {
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var mod = (!test && ((bits >> i) & 1) == 1)
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this.modules[Math.floor(i / 3)][i % 3 + this.moduleCount - 8 - 3] = mod
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}
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for (var i = 0; i < 18; i++) {
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var mod = (!test && ((bits >> i) & 1) == 1)
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this.modules[i % 3 + this.moduleCount - 8 - 3][Math.floor(i / 3)] = mod
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}
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}
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setupTypeInfo(test, maskPattern) {
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var data = (this.errorCorrectLevel << 3) | maskPattern
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var bits = QRUtil.getBCHTypeInfo(data)
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// vertical
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for (var i = 0; i < 15; i++) {
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var mod = (!test && ((bits >> i) & 1) == 1)
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if (i < 6) {
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this.modules[i][8] = mod
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} else if (i < 8) {
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this.modules[i + 1][8] = mod
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} else {
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this.modules[this.moduleCount - 15 + i][8] = mod
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}
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}
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// horizontal
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for (var i = 0; i < 15; i++) {
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var mod = (!test && ((bits >> i) & 1) == 1)
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if (i < 8) {
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this.modules[8][this.moduleCount - i - 1] = mod
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} else if (i < 9) {
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this.modules[8][15 - i - 1 + 1] = mod
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} else {
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this.modules[8][15 - i - 1] = mod
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}
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}
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// fixed module
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this.modules[this.moduleCount - 8][8] = (!test)
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}
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mapData(data, maskPattern) {
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var inc = -1
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var row = this.moduleCount - 1
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var bitIndex = 7
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var byteIndex = 0
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for (var col = this.moduleCount - 1; col > 0; col -= 2) {
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if (col == 6) col--
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while (true) {
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for (var c = 0; c < 2; c++) {
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if (this.modules[row][col - c] == null) {
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var dark = false
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if (byteIndex < data.length) {
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dark = (((data[byteIndex] >>> bitIndex) & 1) == 1)
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}
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var mask = QRUtil.getMask(maskPattern, row, col - c)
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if (mask) {
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dark = !dark
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}
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this.modules[row][col - c] = dark
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bitIndex--
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if (bitIndex == -1) {
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byteIndex++
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bitIndex = 7
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}
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}
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}
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row += inc
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if (row < 0 || this.moduleCount <= row) {
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row -= inc
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inc = -inc
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break
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}
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}
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}
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}
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}
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//---------------------------------------------------------------------
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// QRMode
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//---------------------------------------------------------------------
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export enum QRMode {
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MODE_NUMBER = 1 << 0,
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MODE_ALPHA_NUM = 1 << 1,
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MODE_8BIT_BYTE = 1 << 2,
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MODE_KANJI = 1 << 3
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}
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//---------------------------------------------------------------------
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// QRErrorCorrectLevel
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//---------------------------------------------------------------------
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export enum QRErrorCorrectLevel {
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L = 1,
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M = 0,
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Q = 3,
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H = 2
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}
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//---------------------------------------------------------------------
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// QRMaskPattern
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//---------------------------------------------------------------------
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var QRMaskPattern = {
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PATTERN000: 0,
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PATTERN001: 1,
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PATTERN010: 2,
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PATTERN011: 3,
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PATTERN100: 4,
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PATTERN101: 5,
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PATTERN110: 6,
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PATTERN111: 7
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}
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//---------------------------------------------------------------------
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// QRUtil
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//---------------------------------------------------------------------
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var QRUtil = {
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PATTERN_POSITION_TABLE: [
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[],
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[6, 18],
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[6, 22],
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[6, 26],
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[6, 30],
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[6, 34],
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[6, 22, 38],
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[6, 24, 42],
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[6, 26, 46],
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[6, 28, 50],
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[6, 30, 54],
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[6, 32, 58],
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[6, 34, 62],
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[6, 26, 46, 66],
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[6, 26, 48, 70],
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[6, 26, 50, 74],
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[6, 30, 54, 78],
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[6, 30, 56, 82],
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[6, 30, 58, 86],
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[6, 34, 62, 90],
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[6, 28, 50, 72, 94],
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[6, 26, 50, 74, 98],
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[6, 30, 54, 78, 102],
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[6, 28, 54, 80, 106],
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[6, 32, 58, 84, 110],
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[6, 30, 58, 86, 114],
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[6, 34, 62, 90, 118],
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[6, 26, 50, 74, 98, 122],
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[6, 30, 54, 78, 102, 126],
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[6, 26, 52, 78, 104, 130],
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[6, 30, 56, 82, 108, 134],
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[6, 34, 60, 86, 112, 138],
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[6, 30, 58, 86, 114, 142],
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[6, 34, 62, 90, 118, 146],
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[6, 30, 54, 78, 102, 126, 150],
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[6, 24, 50, 76, 102, 128, 154],
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[6, 28, 54, 80, 106, 132, 158],
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[6, 32, 58, 84, 110, 136, 162],
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[6, 26, 54, 82, 110, 138, 166],
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[6, 30, 58, 86, 114, 142, 170]
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],
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G15: (1 << 10) | (1 << 8) | (1 << 5) | (1 << 4) | (1 << 2) | (1 << 1) | (1 << 0),
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G18: (1 << 12) | (1 << 11) | (1 << 10) | (1 << 9) | (1 << 8) | (1 << 5) | (1 << 2) | (1 << 0),
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G15_MASK: (1 << 14) | (1 << 12) | (1 << 10) | (1 << 4) | (1 << 1),
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getBCHTypeInfo: function (data) {
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var d = data << 10
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while (QRUtil.getBCHDigit(d) - QRUtil.getBCHDigit(QRUtil.G15) >= 0) {
|
|
d ^= (QRUtil.G15 << (QRUtil.getBCHDigit(d) - QRUtil.getBCHDigit(QRUtil.G15)))
|
|
}
|
|
return ((data << 10) | d) ^ QRUtil.G15_MASK
|
|
},
|
|
|
|
getBCHTypeNumber: function (data) {
|
|
var d = data << 12
|
|
while (QRUtil.getBCHDigit(d) - QRUtil.getBCHDigit(QRUtil.G18) >= 0) {
|
|
d ^= (QRUtil.G18 << (QRUtil.getBCHDigit(d) - QRUtil.getBCHDigit(QRUtil.G18)))
|
|
}
|
|
return (data << 12) | d
|
|
},
|
|
|
|
getBCHDigit: function (data) {
|
|
|
|
var digit = 0
|
|
|
|
while (data != 0) {
|
|
digit++
|
|
data >>>= 1
|
|
}
|
|
|
|
return digit
|
|
},
|
|
|
|
getPatternPosition: function (typeNumber) {
|
|
return QRUtil.PATTERN_POSITION_TABLE[typeNumber - 1]
|
|
},
|
|
|
|
getMask: function (maskPattern, i, j) {
|
|
|
|
switch (maskPattern) {
|
|
|
|
case QRMaskPattern.PATTERN000: return (i + j) % 2 == 0
|
|
case QRMaskPattern.PATTERN001: return i % 2 == 0
|
|
case QRMaskPattern.PATTERN010: return j % 3 == 0
|
|
case QRMaskPattern.PATTERN011: return (i + j) % 3 == 0
|
|
case QRMaskPattern.PATTERN100: return (Math.floor(i / 2) + Math.floor(j / 3)) % 2 == 0
|
|
case QRMaskPattern.PATTERN101: return (i * j) % 2 + (i * j) % 3 == 0
|
|
case QRMaskPattern.PATTERN110: return ((i * j) % 2 + (i * j) % 3) % 2 == 0
|
|
case QRMaskPattern.PATTERN111: return ((i * j) % 3 + (i + j) % 2) % 2 == 0
|
|
|
|
default:
|
|
throw new Error("bad maskPattern:" + maskPattern)
|
|
}
|
|
},
|
|
|
|
getErrorCorrectPolynomial: function (errorCorrectLength) {
|
|
|
|
var a = new QRPolynomial([1], 0)
|
|
|
|
for (var i = 0; i < errorCorrectLength; i++) {
|
|
a = a.multiply(new QRPolynomial([1, QRMath.gexp(i)], 0))
|
|
}
|
|
|
|
return a
|
|
},
|
|
|
|
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 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)
|
|
}
|
|
},
|
|
|
|
getLostPoint: function (qrCode) {
|
|
|
|
var moduleCount = qrCode.getModuleCount()
|
|
|
|
var lostPoint = 0
|
|
|
|
// LEVEL1
|
|
|
|
for (var row = 0; row < moduleCount; row++) {
|
|
|
|
for (var col = 0; col < moduleCount; col++) {
|
|
|
|
var sameCount = 0
|
|
var dark = qrCode.isDark(row, col)
|
|
|
|
for (var r = -1; r <= 1; r++) {
|
|
|
|
if (row + r < 0 || moduleCount <= row + r) {
|
|
continue
|
|
}
|
|
|
|
for (var c = -1; c <= 1; c++) {
|
|
|
|
if (col + c < 0 || moduleCount <= col + c) {
|
|
continue
|
|
}
|
|
|
|
if (r == 0 && c == 0) {
|
|
continue
|
|
}
|
|
|
|
if (dark == qrCode.isDark(row + r, col + c)) {
|
|
sameCount++
|
|
}
|
|
}
|
|
}
|
|
|
|
if (sameCount > 5) {
|
|
lostPoint += (3 + sameCount - 5)
|
|
}
|
|
}
|
|
}
|
|
|
|
// LEVEL2
|
|
|
|
for (var row = 0; row < moduleCount - 1; row++) {
|
|
for (var col = 0; col < moduleCount - 1; col++) {
|
|
var count = 0
|
|
if (qrCode.isDark(row, col)) count++
|
|
if (qrCode.isDark(row + 1, col)) count++
|
|
if (qrCode.isDark(row, col + 1)) count++
|
|
if (qrCode.isDark(row + 1, col + 1)) count++
|
|
if (count == 0 || count == 4) {
|
|
lostPoint += 3
|
|
}
|
|
}
|
|
}
|
|
|
|
// LEVEL3
|
|
|
|
for (var row = 0; row < moduleCount; row++) {
|
|
for (var col = 0; col < moduleCount - 6; col++) {
|
|
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++) {
|
|
for (var row = 0; row < moduleCount - 6; row++) {
|
|
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++) {
|
|
for (var row = 0; row < moduleCount; row++) {
|
|
if (qrCode.isDark(row, col)) {
|
|
darkCount++
|
|
}
|
|
}
|
|
}
|
|
|
|
var ratio = Math.abs(100 * darkCount / moduleCount / moduleCount - 50) / 5
|
|
lostPoint += ratio * 10
|
|
|
|
return lostPoint
|
|
}
|
|
|
|
}
|
|
|
|
|
|
//---------------------------------------------------------------------
|
|
// QRMath
|
|
//---------------------------------------------------------------------
|
|
|
|
var QRMath = {
|
|
|
|
glog: function (n) {
|
|
|
|
if (n < 1) {
|
|
throw new Error("glog(" + n + ")")
|
|
}
|
|
|
|
return QRMath.LOG_TABLE[n]
|
|
},
|
|
|
|
gexp: function (n) {
|
|
|
|
while (n < 0) {
|
|
n += 255
|
|
}
|
|
|
|
while (n >= 256) {
|
|
n -= 255
|
|
}
|
|
|
|
return QRMath.EXP_TABLE[n]
|
|
},
|
|
|
|
EXP_TABLE: new Array(256),
|
|
|
|
LOG_TABLE: new Array(256)
|
|
|
|
}
|
|
|
|
for (var i = 0; i < 8; i++) {
|
|
QRMath.EXP_TABLE[i] = 1 << i
|
|
}
|
|
for (var i = 8; i < 256; i++) {
|
|
QRMath.EXP_TABLE[i] = QRMath.EXP_TABLE[i - 4]
|
|
^ QRMath.EXP_TABLE[i - 5]
|
|
^ QRMath.EXP_TABLE[i - 6]
|
|
^ QRMath.EXP_TABLE[i - 8]
|
|
}
|
|
for (var i = 0; i < 255; i++) {
|
|
QRMath.LOG_TABLE[QRMath.EXP_TABLE[i]] = i
|
|
}
|
|
|
|
//---------------------------------------------------------------------
|
|
// QRPolynomial
|
|
//---------------------------------------------------------------------
|
|
|
|
class QRPolynomial {
|
|
num: any[]
|
|
constructor(num, shift) {
|
|
|
|
if (num.length == undefined) {
|
|
throw new Error(num.length + "/" + shift)
|
|
}
|
|
|
|
var offset = 0
|
|
|
|
while (offset < num.length && num[offset] == 0) {
|
|
offset++
|
|
}
|
|
|
|
this.num = new Array(num.length - offset + shift)
|
|
for (var i = 0; i < num.length - offset; i++) {
|
|
this.num[i] = num[i + offset]
|
|
}
|
|
}
|
|
get(index) {
|
|
return this.num[index]
|
|
}
|
|
|
|
getLength() {
|
|
return this.num.length
|
|
}
|
|
|
|
multiply(e) {
|
|
|
|
var num = new Array(this.getLength() + e.getLength() - 1)
|
|
|
|
for (var i = 0; i < this.getLength(); i++) {
|
|
for (var j = 0; j < e.getLength(); j++) {
|
|
num[i + j] ^= QRMath.gexp(QRMath.glog(this.get(i)) + QRMath.glog(e.get(j)))
|
|
}
|
|
}
|
|
|
|
return new QRPolynomial(num, 0)
|
|
}
|
|
|
|
mod(e) {
|
|
|
|
if (this.getLength() - e.getLength() < 0) {
|
|
return this
|
|
}
|
|
|
|
var ratio = QRMath.glog(this.get(0)) - QRMath.glog(e.get(0))
|
|
|
|
var num = new Array(this.getLength())
|
|
|
|
for (var i = 0; i < this.getLength(); i++) {
|
|
num[i] = this.get(i)
|
|
}
|
|
|
|
for (var i = 0; i < e.getLength(); i++) {
|
|
num[i] ^= QRMath.gexp(QRMath.glog(e.get(i)) + ratio)
|
|
}
|
|
|
|
// recursive call
|
|
return new QRPolynomial(num, 0).mod(e)
|
|
}
|
|
}
|
|
|
|
|
|
//---------------------------------------------------------------------
|
|
// QRRSBlock
|
|
//---------------------------------------------------------------------
|
|
|
|
class QRRSBlock {
|
|
totalCount: any
|
|
dataCount: any
|
|
static RS_BLOCK_TABLE: any
|
|
constructor(totalCount, dataCount) {
|
|
this.totalCount = totalCount
|
|
this.dataCount = dataCount
|
|
}
|
|
static getRSBlocks(typeNumber, errorCorrectLevel) {
|
|
|
|
var rsBlock = QRRSBlock.getRsBlockTable(typeNumber, errorCorrectLevel)
|
|
|
|
if (rsBlock == undefined) {
|
|
throw new Error("bad rs block @ typeNumber:" + typeNumber + "/errorCorrectLevel:" + errorCorrectLevel)
|
|
}
|
|
|
|
var length = rsBlock.length / 3
|
|
|
|
var list = new Array()
|
|
|
|
for (var i = 0; i < length; i++) {
|
|
|
|
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++) {
|
|
list.push(new QRRSBlock(totalCount, dataCount))
|
|
}
|
|
}
|
|
|
|
return list
|
|
}
|
|
static getRsBlockTable(typeNumber: number, errorCorrectLevel: QRErrorCorrectLevel) {
|
|
switch (errorCorrectLevel) {
|
|
case QRErrorCorrectLevel.L:
|
|
return QRRSBlock.RS_BLOCK_TABLE[(typeNumber - 1) * 4 + 0]
|
|
case QRErrorCorrectLevel.M:
|
|
return QRRSBlock.RS_BLOCK_TABLE[(typeNumber - 1) * 4 + 1]
|
|
case QRErrorCorrectLevel.Q:
|
|
return QRRSBlock.RS_BLOCK_TABLE[(typeNumber - 1) * 4 + 2]
|
|
case QRErrorCorrectLevel.H:
|
|
return QRRSBlock.RS_BLOCK_TABLE[(typeNumber - 1) * 4 + 3]
|
|
default:
|
|
return undefined
|
|
}
|
|
}
|
|
}
|
|
|
|
QRRSBlock.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],
|
|
|
|
// 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]
|
|
]
|
|
|
|
|
|
|
|
//---------------------------------------------------------------------
|
|
// QRBitBuffer
|
|
//---------------------------------------------------------------------
|
|
|
|
class QRBitBuffer {
|
|
buffer: any[]
|
|
length: number
|
|
constructor() {
|
|
this.buffer = new Array()
|
|
this.length = 0
|
|
}
|
|
get(index) {
|
|
var bufIndex = Math.floor(index / 8)
|
|
return ((this.buffer[bufIndex] >>> (7 - index % 8)) & 1) == 1
|
|
}
|
|
|
|
put(num, length) {
|
|
for (var i = 0; i < length; i++) {
|
|
this.putBit(((num >>> (length - i - 1)) & 1) == 1)
|
|
}
|
|
}
|
|
|
|
getLengthInBits() {
|
|
return this.length
|
|
}
|
|
|
|
putBit(bit) {
|
|
|
|
var bufIndex = Math.floor(this.length / 8)
|
|
if (this.buffer.length <= bufIndex) {
|
|
this.buffer.push(0)
|
|
}
|
|
|
|
if (bit) {
|
|
this.buffer[bufIndex] |= (0x80 >>> (this.length % 8))
|
|
}
|
|
|
|
this.length++
|
|
}
|
|
}
|