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- const _my = require("../../__antmove/api/index.js")(my);
- const wx = _my;
- // Core code comes from https://github.com/davidshimjs/qrcodejs
- var QRCode;
- (function() {
- /**
- * Get the type by string length
- *
- * @private
- * @param {String} sText
- * @param {Number} nCorrectLevel
- * @return {Number} type
- */
- function _getTypeNumber(sText, nCorrectLevel) {
- var nType = 1;
- var length = _getUTF8Length(sText);
- for (var i = 0, len = QRCodeLimitLength.length; i <= len; i++) {
- var nLimit = 0;
- switch (nCorrectLevel) {
- case QRErrorCorrectLevel.L:
- nLimit = QRCodeLimitLength[i][0];
- break;
- case QRErrorCorrectLevel.M:
- nLimit = QRCodeLimitLength[i][1];
- break;
- case QRErrorCorrectLevel.Q:
- nLimit = QRCodeLimitLength[i][2];
- break;
- case QRErrorCorrectLevel.H:
- nLimit = QRCodeLimitLength[i][3];
- break;
- }
- if (length <= nLimit) {
- break;
- } else {
- nType++;
- }
- }
- if (nType > QRCodeLimitLength.length) {
- throw new Error("Too long data");
- }
- return nType;
- }
- function _getUTF8Length(sText) {
- var replacedText = encodeURI(sText)
- .toString()
- .replace(/\%[0-9a-fA-F]{2}/g, "a");
- return replacedText.length + (replacedText.length != sText ? 3 : 0);
- }
- function QR8bitByte(data) {
- this.mode = QRMode.MODE_8BIT_BYTE;
- this.data = data;
- this.parsedData = [];
- // Added to support UTF-8 Characters
- for (var i = 0, l = this.data.length; i < l; i++) {
- var byteArray = [];
- var code = this.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;
- }
- this.parsedData.push(byteArray);
- }
- this.parsedData = Array.prototype.concat.apply([], this.parsedData);
- if (this.parsedData.length != this.data.length) {
- this.parsedData.unshift(191);
- this.parsedData.unshift(187);
- this.parsedData.unshift(239);
- }
- }
- QR8bitByte.prototype = {
- getLength: function(buffer) {
- return this.parsedData.length;
- },
- write: function(buffer) {
- for (var i = 0, l = this.parsedData.length; i < l; i++) {
- buffer.put(this.parsedData[i], 8);
- }
- }
- };
- // QRCodeModel
- function QRCodeModel(typeNumber, errorCorrectLevel) {
- this.typeNumber = typeNumber;
- this.errorCorrectLevel = errorCorrectLevel;
- this.modules = null;
- this.moduleCount = 0;
- this.dataCache = null;
- this.dataList = [];
- }
- QRCodeModel.prototype = {
- addData: function(data) {
- var newData = new QR8bitByte(data);
- this.dataList.push(newData);
- this.dataCache = null;
- },
- isDark: function(row, col) {
- if (
- row < 0 ||
- this.moduleCount <= row ||
- col < 0 ||
- this.moduleCount <= col
- ) {
- throw new Error(row + "," + col);
- }
- return this.modules[row][col];
- },
- getModuleCount: function() {
- return this.moduleCount;
- },
- make: function() {
- this.makeImpl(false, this.getBestMaskPattern());
- },
- makeImpl: function(test, maskPattern) {
- this.moduleCount = this.typeNumber * 4 + 17;
- this.modules = new Array(this.moduleCount);
- for (var row = 0; row < this.moduleCount; row++) {
- this.modules[row] = new Array(this.moduleCount);
- for (var col = 0; col < this.moduleCount; col++) {
- this.modules[row][col] = null;
- }
- }
- this.setupPositionProbePattern(0, 0);
- this.setupPositionProbePattern(this.moduleCount - 7, 0);
- this.setupPositionProbePattern(0, this.moduleCount - 7);
- this.setupPositionAdjustPattern();
- this.setupTimingPattern();
- this.setupTypeInfo(test, maskPattern);
- if (this.typeNumber >= 7) {
- this.setupTypeNumber(test);
- }
- if (this.dataCache == null) {
- this.dataCache = QRCodeModel.createData(
- this.typeNumber,
- this.errorCorrectLevel,
- this.dataList
- );
- }
- this.mapData(this.dataCache, maskPattern);
- },
- setupPositionProbePattern: function(row, col) {
- for (var r = -1; r <= 7; r++) {
- if (row + r <= -1 || this.moduleCount <= row + r) continue;
- for (var c = -1; c <= 7; c++) {
- if (col + c <= -1 || this.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)
- ) {
- this.modules[row + r][col + c] = true;
- } else {
- this.modules[row + r][col + c] = false;
- }
- }
- }
- },
- getBestMaskPattern: function() {
- var minLostPoint = 0;
- var pattern = 0;
- for (var i = 0; i < 8; i++) {
- this.makeImpl(true, i);
- var lostPoint = QRUtil.getLostPoint(this);
- if (i == 0 || minLostPoint > lostPoint) {
- minLostPoint = lostPoint;
- pattern = i;
- }
- }
- return pattern;
- },
- createMovieClip: function(target_mc, instance_name, depth) {
- var qr_mc = target_mc.createEmptyMovieClip(instance_name, depth);
- var cs = 1;
- this.make();
- for (var row = 0; row < this.modules.length; row++) {
- var y = row * cs;
- for (var col = 0; col < this.modules[row].length; col++) {
- var x = col * cs;
- var dark = this.modules[row][col];
- if (dark) {
- qr_mc.beginFill(0, 100);
- qr_mc.moveTo(x, y);
- qr_mc.lineTo(x + cs, y);
- qr_mc.lineTo(x + cs, y + cs);
- qr_mc.lineTo(x, y + cs);
- qr_mc.endFill();
- }
- }
- }
- return qr_mc;
- },
- setupTimingPattern: function() {
- for (var r = 8; r < this.moduleCount - 8; r++) {
- if (this.modules[r][6] != null) {
- continue;
- }
- this.modules[r][6] = r % 2 == 0;
- }
- for (var c = 8; c < this.moduleCount - 8; c++) {
- if (this.modules[6][c] != null) {
- continue;
- }
- this.modules[6][c] = c % 2 == 0;
- }
- },
- setupPositionAdjustPattern: function() {
- var pos = QRUtil.getPatternPosition(this.typeNumber);
- for (var i = 0; i < pos.length; i++) {
- for (var j = 0; j < pos.length; j++) {
- var row = pos[i];
- var col = pos[j];
- if (this.modules[row][col] != null) {
- continue;
- }
- for (var r = -2; r <= 2; r++) {
- for (var c = -2; c <= 2; c++) {
- if (
- r == -2 ||
- r == 2 ||
- c == -2 ||
- c == 2 ||
- (r == 0 && c == 0)
- ) {
- this.modules[row + r][col + c] = true;
- } else {
- this.modules[row + r][col + c] = false;
- }
- }
- }
- }
- }
- },
- setupTypeNumber: function(test) {
- var bits = QRUtil.getBCHTypeNumber(this.typeNumber);
- for (var i = 0; i < 18; i++) {
- var mod = !test && ((bits >> i) & 1) == 1;
- this.modules[Math.floor(i / 3)][
- (i % 3) + this.moduleCount - 8 - 3
- ] = mod;
- }
- for (var i = 0; i < 18; i++) {
- var mod = !test && ((bits >> i) & 1) == 1;
- this.modules[(i % 3) + this.moduleCount - 8 - 3][
- Math.floor(i / 3)
- ] = mod;
- }
- },
- setupTypeInfo: function(test, maskPattern) {
- var data = (this.errorCorrectLevel << 3) | maskPattern;
- var bits = QRUtil.getBCHTypeInfo(data);
- for (var i = 0; i < 15; i++) {
- var mod = !test && ((bits >> i) & 1) == 1;
- if (i < 6) {
- this.modules[i][8] = mod;
- } else if (i < 8) {
- this.modules[i + 1][8] = mod;
- } else {
- this.modules[this.moduleCount - 15 + i][8] = mod;
- }
- }
- for (var i = 0; i < 15; i++) {
- var mod = !test && ((bits >> i) & 1) == 1;
- if (i < 8) {
- this.modules[8][this.moduleCount - i - 1] = mod;
- } else if (i < 9) {
- this.modules[8][15 - i - 1 + 1] = mod;
- } else {
- this.modules[8][15 - i - 1] = mod;
- }
- }
- this.modules[this.moduleCount - 8][8] = !test;
- },
- mapData: function(data, maskPattern) {
- var inc = -1;
- var row = this.moduleCount - 1;
- var bitIndex = 7;
- var byteIndex = 0;
- for (var col = this.moduleCount - 1; col > 0; col -= 2) {
- if (col == 6) col--;
- while (true) {
- for (var c = 0; c < 2; c++) {
- if (this.modules[row][col - c] == null) {
- var dark = false;
- if (byteIndex < data.length) {
- dark =
- ((data[byteIndex] >>> bitIndex) & 1) == 1;
- }
- var mask = QRUtil.getMask(
- maskPattern,
- row,
- col - c
- );
- if (mask) {
- dark = !dark;
- }
- this.modules[row][col - c] = dark;
- bitIndex--;
- if (bitIndex == -1) {
- byteIndex++;
- bitIndex = 7;
- }
- }
- }
- row += inc;
- if (row < 0 || this.moduleCount <= row) {
- row -= inc;
- inc = -inc;
- break;
- }
- }
- }
- }
- };
- QRCodeModel.PAD0 = 0xec;
- QRCodeModel.PAD1 = 0x11;
- QRCodeModel.createData = function(typeNumber, errorCorrectLevel, dataList) {
- var rsBlocks = QRRSBlock.getRSBlocks(typeNumber, errorCorrectLevel);
- var buffer = new QRBitBuffer();
- for (var i = 0; i < dataList.length; i++) {
- var data = dataList[i];
- buffer.put(data.mode, 4);
- buffer.put(
- data.getLength(),
- QRUtil.getLengthInBits(data.mode, typeNumber)
- );
- data.write(buffer);
- }
- var totalDataCount = 0;
- for (var i = 0; i < rsBlocks.length; i++) {
- totalDataCount += rsBlocks[i].dataCount;
- }
- if (buffer.getLengthInBits() > totalDataCount * 8) {
- throw new Error(
- "code length overflow. (" +
- buffer.getLengthInBits() +
- ">" +
- totalDataCount * 8 +
- ")"
- );
- }
- if (buffer.getLengthInBits() + 4 <= totalDataCount * 8) {
- buffer.put(0, 4);
- }
- while (buffer.getLengthInBits() % 8 != 0) {
- buffer.putBit(false);
- }
- while (true) {
- if (buffer.getLengthInBits() >= totalDataCount * 8) {
- break;
- }
- buffer.put(QRCodeModel.PAD0, 8);
- if (buffer.getLengthInBits() >= totalDataCount * 8) {
- break;
- }
- buffer.put(QRCodeModel.PAD1, 8);
- }
- return QRCodeModel.createBytes(buffer, rsBlocks);
- };
- QRCodeModel.createBytes = function(buffer, rsBlocks) {
- var offset = 0;
- var maxDcCount = 0;
- var maxEcCount = 0;
- var dcdata = new Array(rsBlocks.length);
- var ecdata = new Array(rsBlocks.length);
- for (var r = 0; r < rsBlocks.length; r++) {
- var dcCount = rsBlocks[r].dataCount;
- var ecCount = rsBlocks[r].totalCount - dcCount;
- maxDcCount = Math.max(maxDcCount, dcCount);
- maxEcCount = Math.max(maxEcCount, ecCount);
- dcdata[r] = new Array(dcCount);
- for (var i = 0; i < dcdata[r].length; i++) {
- dcdata[r][i] = 0xff & buffer.buffer[i + offset];
- }
- offset += dcCount;
- var rsPoly = QRUtil.getErrorCorrectPolynomial(ecCount);
- var rawPoly = new QRPolynomial(dcdata[r], rsPoly.getLength() - 1);
- var modPoly = rawPoly.mod(rsPoly);
- ecdata[r] = new Array(rsPoly.getLength() - 1);
- for (var i = 0; i < ecdata[r].length; i++) {
- var modIndex = i + modPoly.getLength() - ecdata[r].length;
- ecdata[r][i] = modIndex >= 0 ? modPoly.get(modIndex) : 0;
- }
- }
- var totalCodeCount = 0;
- for (var i = 0; i < rsBlocks.length; i++) {
- totalCodeCount += rsBlocks[i].totalCount;
- }
- var data = new Array(totalCodeCount);
- var index = 0;
- for (var i = 0; i < maxDcCount; i++) {
- for (var r = 0; r < rsBlocks.length; r++) {
- if (i < dcdata[r].length) {
- data[index++] = dcdata[r][i];
- }
- }
- }
- for (var i = 0; i < maxEcCount; i++) {
- for (var r = 0; r < rsBlocks.length; r++) {
- if (i < ecdata[r].length) {
- data[index++] = ecdata[r][i];
- }
- }
- }
- return data;
- };
- var QRMode = {
- MODE_NUMBER: 1 << 0,
- MODE_ALPHA_NUM: 1 << 1,
- MODE_8BIT_BYTE: 1 << 2,
- MODE_KANJI: 1 << 3
- };
- var QRErrorCorrectLevel = {
- L: 1,
- M: 0,
- Q: 3,
- H: 2
- };
- var QRMaskPattern = {
- PATTERN000: 0,
- PATTERN001: 1,
- PATTERN010: 2,
- PATTERN011: 3,
- PATTERN100: 4,
- PATTERN101: 5,
- PATTERN110: 6,
- PATTERN111: 7
- };
- var QRUtil = {
- 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]
- ],
- G15:
- (1 << 10) |
- (1 << 8) |
- (1 << 5) |
- (1 << 4) |
- (1 << 2) |
- (1 << 1) |
- (1 << 0),
- G18:
- (1 << 12) |
- (1 << 11) |
- (1 << 10) |
- (1 << 9) |
- (1 << 8) |
- (1 << 5) |
- (1 << 2) |
- (1 << 0),
- G15_MASK: (1 << 14) | (1 << 12) | (1 << 10) | (1 << 4) | (1 << 1),
- getBCHTypeInfo: function(data) {
- var d = data << 10;
- 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) {
- 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) {
- 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) {
- 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;
- 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;
- }
- }
- }
- 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;
- }
- }
- }
- 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;
- }
- }
- }
- 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;
- }
- };
- 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;
- }
- function QRPolynomial(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];
- }
- }
- QRPolynomial.prototype = {
- get: function(index) {
- return this.num[index];
- },
- getLength: function() {
- return this.num.length;
- },
- multiply: function(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: function(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);
- }
- return new QRPolynomial(num, 0).mod(e);
- }
- };
- function QRRSBlock(totalCount, dataCount) {
- this.totalCount = totalCount;
- this.dataCount = dataCount;
- }
- QRRSBlock.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]
- ];
- QRRSBlock.getRSBlocks = function(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 = [];
- 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;
- };
- QRRSBlock.getRsBlockTable = function(typeNumber, errorCorrectLevel) {
- 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;
- }
- };
- function QRBitBuffer() {
- this.buffer = [];
- this.length = 0;
- }
- QRBitBuffer.prototype = {
- get: function(index) {
- var bufIndex = Math.floor(index / 8);
- return ((this.buffer[bufIndex] >>> (7 - (index % 8))) & 1) == 1;
- },
- put: function(num, length) {
- for (var i = 0; i < length; i++) {
- this.putBit(((num >>> (length - i - 1)) & 1) == 1);
- }
- },
- getLengthInBits: function() {
- return this.length;
- },
- putBit: function(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++;
- }
- };
- var QRCodeLimitLength = [
- [17, 14, 11, 7],
- [32, 26, 20, 14],
- [53, 42, 32, 24],
- [78, 62, 46, 34],
- [106, 84, 60, 44],
- [134, 106, 74, 58],
- [154, 122, 86, 64],
- [192, 152, 108, 84],
- [230, 180, 130, 98],
- [271, 213, 151, 119],
- [321, 251, 177, 137],
- [367, 287, 203, 155],
- [425, 331, 241, 177],
- [458, 362, 258, 194],
- [520, 412, 292, 220],
- [586, 450, 322, 250],
- [644, 504, 364, 280],
- [718, 560, 394, 310],
- [792, 624, 442, 338],
- [858, 666, 482, 382],
- [929, 711, 509, 403],
- [1003, 779, 565, 439],
- [1091, 857, 611, 461],
- [1171, 911, 661, 511],
- [1273, 997, 715, 535],
- [1367, 1059, 751, 593],
- [1465, 1125, 805, 625],
- [1528, 1190, 868, 658],
- [1628, 1264, 908, 698],
- [1732, 1370, 982, 742],
- [1840, 1452, 1030, 790],
- [1952, 1538, 1112, 842],
- [2068, 1628, 1168, 898],
- [2188, 1722, 1228, 958],
- [2303, 1809, 1283, 983],
- [2431, 1911, 1351, 1051],
- [2563, 1989, 1423, 1093],
- [2699, 2099, 1499, 1139],
- [2809, 2213, 1579, 1219],
- [2953, 2331, 1663, 1273]
- ];
- // QRCode object
- QRCode = function(canvasId, vOption) {
- this._htOption = {
- width: 256,
- height: 256,
- typeNumber: 4,
- colorDark: "#000000",
- colorLight: "#ffffff",
- correctLevel: QRErrorCorrectLevel.H
- };
- if (typeof vOption === "string") {
- vOption = {
- text: vOption
- };
- }
- // Overwrites options
- if (vOption) {
- for (var i in vOption) {
- this._htOption[i] = vOption[i];
- }
- }
- this._oQRCode = null;
- this.canvasId = canvasId;
- if (this._htOption.text && this.canvasId) {
- this.makeCode(this._htOption.text);
- }
- };
- QRCode.prototype.makeCode = function(sText) {
- this._oQRCode = new QRCodeModel(
- _getTypeNumber(sText, this._htOption.correctLevel),
- this._htOption.correctLevel
- );
- this._oQRCode.addData(sText);
- this._oQRCode.make();
- this.makeImage();
- };
- QRCode.prototype.makeImage = function() {
- var _oContext;
- if (this._htOption.usingIn) {
- _oContext = wx.createCanvasContext(
- this.canvasId,
- this._htOption.usingIn
- );
- } else {
- _oContext = wx.createCanvasContext(this.canvasId);
- }
- var _htOption = this._htOption;
- var oQRCode = this._oQRCode;
- var nCount = oQRCode.getModuleCount();
- var nWidth = _htOption.padding
- ? (_htOption.width - 2 * _htOption.padding) / nCount
- : _htOption.width / nCount;
- var nHeight = _htOption.padding
- ? (_htOption.height - 2 * _htOption.padding) / nCount
- : _htOption.height / nCount;
- var nRoundedHeight = Math.round(nHeight);
- var nRoundedWidth = Math.round(nWidth);
- if (_htOption.image && _htOption.image != "") {
- _oContext.drawImage(
- _htOption.image,
- 0,
- 0,
- _htOption.width,
- _htOption.height
- );
- }
- _oContext.setFillStyle("#fff");
- _oContext.fillRect(0, 0, _htOption.width, _htOption.height);
- _oContext.save();
- for (var row = 0; row < nCount; row++) {
- for (var col = 0; col < nCount; col++) {
- var bIsDark = oQRCode.isDark(row, col);
- var nLeft = _htOption.padding
- ? col * nWidth + _htOption.padding
- : col * nWidth;
- var nTop = _htOption.padding
- ? row * nHeight + _htOption.padding
- : row * nHeight;
- _oContext.setStrokeStyle(
- bIsDark ? _htOption.colorDark : _htOption.colorLight
- );
- // _oContext.setStrokeStyle('red')
- _oContext.setLineWidth(1);
- _oContext.setFillStyle(
- bIsDark ? _htOption.colorDark : _htOption.colorLight
- );
- // _oContext.setFillStyle('red')
- // if (bIsDark) {
- _oContext.fillRect(nLeft, nTop, nWidth, nHeight);
- // }
- // 안티 앨리어싱 방지 처리
- // if (bIsDark) {
- _oContext.strokeRect(
- Math.floor(nLeft) + 0.5,
- Math.floor(nTop) + 0.5,
- nRoundedHeight
- );
- _oContext.strokeRect(
- Math.ceil(nLeft) - 0.5,
- Math.ceil(nTop) - 0.5,
- nRoundedWidth,
- nRoundedHeight
- );
- // }
- // _oContext.fillRect(
- // Math.floor(nLeft) + 0.5,
- // Math.floor(nTop) + 0.5,
- // nRoundedWidth,
- // nRoundedHeight
- // );
- // _oContext.fillRect(
- // Math.ceil(nLeft) - 0.5,
- // Math.ceil(nTop) - 0.5,
- // nRoundedWidth,
- // nRoundedHeight
- // );
- // _oContext.clearRect(
- // Math.floor(nLeft) + 0.5,
- // Math.floor(nTop) + 0.5,
- // nRoundedWidth,
- // nRoundedHeight
- // );
- // _oContext.clearRect(
- // Math.ceil(nLeft) - 0.5,
- // Math.ceil(nTop) - 0.5,
- // nRoundedWidth,
- // nRoundedHeight
- // );
- }
- }
- _oContext.draw(false, () => {
- setTimeout(() => {
- this.exportImage();
- }, 800);
- });
- };
- // 保存为图片,将临时路径传给回调
- QRCode.prototype.exportImage = function(callback) {
- if (
- this._htOption.callback &&
- typeof this._htOption.callback === "function"
- ) {
- wx.canvasToTempFilePath({
- x: 0,
- y: 0,
- width: this._htOption.width,
- height: this._htOption.height,
- destWidth: this._htOption.width,
- destHeight: this._htOption.height,
- canvasId: this.canvasId,
- success: res => {
- this._htOption.callback({
- path: res.tempFilePath
- });
- }
- });
- }
- };
- QRCode.CorrectLevel = QRErrorCorrectLevel;
- })();
- module.exports = QRCode;
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