1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950515253545556575859606162636465666768697071727374757677787980818283848586878889909192939495969798991001011021031041051061071081091101111121131141151161171181191201211221231241251261271281291301311321331341351361371381391401411421431441451461471481491501511521531541551561571581591601611621631641651661671681691701711721731741751761771781791801811821831841851861871881891901911921931941951961971981992002012022032042052062072082092102112122132142152162172182192202212222232242252262272282292302312322332342352362372382392402412422432442452462472482492502512522532542552562572582592602612622632642652662672682692702712722732742752762772782792802812822832842852862872882892902912922932942952962972982993003013023033043053063073083093103113123133143153163173183193203213223233243253263273283293303313323333343353363373383393403413423433443453463473483493503513523533543553563573583593603613623633643653663673683693703713723733743753763773783793803813823833843853863873883893903913923933943953963973983994004014024034044054064074084094104114124134144154164174184194204214224234244254264274284294304314324334344354364374384394404414424434444454464474484494504514524534544554564574584594604614624634644654664674684694704714724734744754764774784794804814824834844854864874884894904914924934944954964974984995005015025035045055065075085095105115125135145155165175185195205215225235245255265275285295305315325335345355365375385395405415425435445455465475485495505515525535545555565575585595605615625635645655665675685695705715725735745755765775785795805815825835845855865875885895905915925935945955965975985996006016026036046056066076086096106116126136146156166176186196206216226236246256266276286296306316326336346356366376386396406416426436446456466476486496506516526536546556566576586596606616626636646656666676686696706716726736746756766776786796806816826836846856866876886896906916926936946956966976986997007017027037047057067077087097107117127137147157167177187197207217227237247257267277287297307317327337347357367377387397407417427437447457467477487497507517527537547557567577587597607617627637647657667677687697707717727737747757767777787797807817827837847857867877887897907917927937947957967977987998008018028038048058068078088098108118128138148158168178188198208218228238248258268278288298308318328338348358368378388398408418428438448458468478488498508518528538548558568578588598608618628638648658668678688698708718728738748758768778788798808818828838848858868878888898908918928938948958968978988999009019029039049059069079089099109119129139149159169179189199209219229239249259269279289299309319329339349359369379389399409419429439449459469479489499509519529539549559569579589599609619629639649659669679689699709719729739749759769779789799809819829839849859869879889899909919929939949959969979989991000100110021003100410051006100710081009101010111012101310141015101610171018101910201021102210231024102510261027102810291030103110321033103410351036103710381039104010411042104310441045104610471048104910501051105210531054105510561057105810591060106110621063106410651066106710681069107010711072107310741075107610771078107910801081108210831084108510861087108810891090109110921093109410951096109710981099110011011102110311041105110611071108110911101111111211131114111511161117111811191120112111221123112411251126112711281129113011311132113311341135113611371138113911401141114211431144114511461147114811491150115111521153115411551156115711581159116011611162116311641165116611671168116911701171117211731174117511761177117811791180118111821183118411851186118711881189119011911192119311941195119611971198119912001201 |
- let QRCode = {};
- (function () {
-
- function unicodeFormat8(code) {
-
- var c0, c1, c2;
- if (code < 128) {
- return [code];
-
- } else if (code < 2048) {
- c0 = 192 + (code >> 6);
- c1 = 128 + (code & 63);
- return [c0, c1];
-
- } else {
- c0 = 224 + (code >> 12);
- c1 = 128 + (code >> 6 & 63);
- c2 = 128 + (code & 63);
- return [c0, c1, c2];
- }
- }
-
- function getUTF8Bytes(string) {
- var utf8codes = [];
- for (var i = 0; i < string.length; i++) {
- var code = string.charCodeAt(i);
- var utf8 = unicodeFormat8(code);
- for (var j = 0; j < utf8.length; j++) {
- utf8codes.push(utf8[j]);
- }
- }
- return utf8codes;
- }
-
- function QRCodeAlg(data, errorCorrectLevel) {
- this.typeNumber = -1;
- this.errorCorrectLevel = errorCorrectLevel;
- this.modules = null;
- this.moduleCount = 0;
- this.dataCache = null;
- this.rsBlocks = null;
- this.totalDataCount = -1;
- this.data = data;
- this.utf8bytes = getUTF8Bytes(data);
- this.make();
- }
- QRCodeAlg.prototype = {
- constructor: QRCodeAlg,
-
- getModuleCount: function () {
- return this.moduleCount;
- },
-
- make: function () {
- this.getRightType();
- this.dataCache = this.createData();
- this.createQrcode();
- },
-
- makeImpl: function (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);
- }
- this.setupPositionProbePattern(0, 0);
- this.setupPositionProbePattern(this.moduleCount - 7, 0);
- this.setupPositionProbePattern(0, this.moduleCount - 7);
- this.setupPositionAdjustPattern();
- this.setupTimingPattern();
- this.setupTypeInfo(true, maskPattern);
- if (this.typeNumber >= 7) {
- this.setupTypeNumber(true);
- }
- 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;
- }
- }
- }
- },
-
- createQrcode: function () {
- var minLostPoint = 0;
- var pattern = 0;
- var bestModules = null;
- for (var i = 0; i < 8; i++) {
- this.makeImpl(i);
- var lostPoint = QRUtil.getLostPoint(this);
- if (i == 0 || minLostPoint > lostPoint) {
- minLostPoint = lostPoint;
- pattern = i;
- bestModules = this.modules;
- }
- }
- this.modules = bestModules;
- this.setupTypeInfo(false, pattern);
- if (this.typeNumber >= 7) {
- this.setupTypeNumber(false);
- }
- },
-
- 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);
- if (this.modules[6][r] != null) {
- continue;
- }
- this.modules[6][r] = (r % 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;
- this.modules[i % 3 + this.moduleCount - 8 - 3][Math.floor(i / 3)] = mod;
- }
- },
-
- setupTypeInfo: function (test, maskPattern) {
- var data = (QRErrorCorrectLevel[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;
- }
-
- 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);
- },
-
- createData: function () {
- var buffer = new QRBitBuffer();
- var lengthBits = this.typeNumber > 9 ? 16 : 8;
- buffer.put(4, 4);
- buffer.put(this.utf8bytes.length, lengthBits);
- for (var i = 0, l = this.utf8bytes.length; i < l; i++) {
- buffer.put(this.utf8bytes[i], 8);
- }
- if (buffer.length + 4 <= this.totalDataCount * 8) {
- buffer.put(0, 4);
- }
-
- while (buffer.length % 8 != 0) {
- buffer.putBit(false);
- }
-
- while (true) {
- if (buffer.length >= this.totalDataCount * 8) {
- break;
- }
- buffer.put(QRCodeAlg.PAD0, 8);
- if (buffer.length >= this.totalDataCount * 8) {
- break;
- }
- buffer.put(QRCodeAlg.PAD1, 8);
- }
- return this.createBytes(buffer);
- },
-
- createBytes: function (buffer) {
- var offset = 0;
- var maxDcCount = 0;
- var maxEcCount = 0;
- var length = this.rsBlock.length / 3;
- var rsBlocks = new Array();
- for (var i = 0; i < length; i++) {
- var count = this.rsBlock[i * 3 + 0];
- var totalCount = this.rsBlock[i * 3 + 1];
- var dataCount = this.rsBlock[i * 3 + 2];
- for (var j = 0; j < count; j++) {
- rsBlocks.push([dataCount, totalCount]);
- }
- }
- var dcdata = new Array(rsBlocks.length);
- var ecdata = new Array(rsBlocks.length);
- for (var r = 0; r < rsBlocks.length; r++) {
- var dcCount = rsBlocks[r][0];
- var ecCount = rsBlocks[r][1] - 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 data = new Array(this.totalDataCount);
- 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;
- },
-
- 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;
- }
- }
- }
- }
- };
-
- QRCodeAlg.PAD0 = 0xEC;
- QRCodeAlg.PAD1 = 0x11;
-
-
-
- var QRErrorCorrectLevel = [1, 0, 3, 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;
- },
-
- getLostPoint: function (qrCode) {
- var moduleCount = qrCode.getModuleCount(),
- lostPoint = 0,
- darkCount = 0;
- for (var row = 0; row < moduleCount; row++) {
- var sameCount = 0;
- var head = qrCode.modules[row][0];
- for (var col = 0; col < moduleCount; col++) {
- var current = qrCode.modules[row][col];
-
- if (col < moduleCount - 6) {
- if (current && !qrCode.modules[row][col + 1] && qrCode.modules[row][col + 2] && qrCode.modules[row][col + 3] && qrCode.modules[row][col + 4] && !qrCode.modules[row][col + 5] && qrCode.modules[row][col + 6]) {
- if (col < moduleCount - 10) {
- if (qrCode.modules[row][col + 7] && qrCode.modules[row][col + 8] && qrCode.modules[row][col + 9] && qrCode.modules[row][col + 10]) {
- lostPoint += 40;
- }
- } else if (col > 3) {
- if (qrCode.modules[row][col - 1] && qrCode.modules[row][col - 2] && qrCode.modules[row][col - 3] && qrCode.modules[row][col - 4]) {
- lostPoint += 40;
- }
- }
- }
- }
-
- if ((row < moduleCount - 1) && (col < moduleCount - 1)) {
- var count = 0;
- if (current) count++;
- if (qrCode.modules[row + 1][col]) count++;
- if (qrCode.modules[row][col + 1]) count++;
- if (qrCode.modules[row + 1][col + 1]) count++;
- if (count == 0 || count == 4) {
- lostPoint += 3;
- }
- }
-
- if (head ^ current) {
- sameCount++;
- } else {
- head = current;
- if (sameCount >= 5) {
- lostPoint += (3 + sameCount - 5);
- }
- sameCount = 1;
- }
-
- if (current) {
- darkCount++;
- }
- }
- }
- for (var col = 0; col < moduleCount; col++) {
- var sameCount = 0;
- var head = qrCode.modules[0][col];
- for (var row = 0; row < moduleCount; row++) {
- var current = qrCode.modules[row][col];
-
- if (row < moduleCount - 6) {
- if (current && !qrCode.modules[row + 1][col] && qrCode.modules[row + 2][col] && qrCode.modules[row + 3][col] && qrCode.modules[row + 4][col] && !qrCode.modules[row + 5][col] && qrCode.modules[row + 6][col]) {
- if (row < moduleCount - 10) {
- if (qrCode.modules[row + 7][col] && qrCode.modules[row + 8][col] && qrCode.modules[row + 9][col] && qrCode.modules[row + 10][col]) {
- lostPoint += 40;
- }
- } else if (row > 3) {
- if (qrCode.modules[row - 1][col] && qrCode.modules[row - 2][col] && qrCode.modules[row - 3][col] && qrCode.modules[row - 4][col]) {
- lostPoint += 40;
- }
- }
- }
- }
-
- if (head ^ current) {
- sameCount++;
- } else {
- head = current;
- if (sameCount >= 5) {
- lostPoint += (3 + sameCount - 5);
- }
- sameCount = 1;
- }
- }
- }
-
- 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) {
- var tl = this.getLength(),
- el = e.getLength();
- if (tl - el < 0) {
- return this;
- }
- var num = new Array(tl);
- for (var i = 0; i < tl; i++) {
- num[i] = this.get(i);
- }
- while (num.length >= el) {
- var ratio = QRMath.glog(num[0]) - QRMath.glog(e.get(0));
- for (var i = 0; i < e.getLength(); i++) {
- num[i] ^= QRMath.gexp(QRMath.glog(e.get(i)) + ratio);
- }
- while (num[0] == 0) {
- num.shift();
- }
- }
- return new QRPolynomial(num, 0);
- }
- };
-
-
-
-
- var 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]
- ];
-
- QRCodeAlg.prototype.getRightType = function () {
- for (var typeNumber = 1; typeNumber < 41; typeNumber++) {
- var rsBlock = RS_BLOCK_TABLE[(typeNumber - 1) * 4 + this.errorCorrectLevel];
- if (rsBlock == undefined) {
- throw new Error("bad rs block @ typeNumber:" + typeNumber + "/errorCorrectLevel:" + this.errorCorrectLevel);
- }
- var length = rsBlock.length / 3;
- var totalDataCount = 0;
- for (var i = 0; i < length; i++) {
- var count = rsBlock[i * 3 + 0];
- var dataCount = rsBlock[i * 3 + 2];
- totalDataCount += dataCount * count;
- }
- var lengthBytes = typeNumber > 9 ? 2 : 1;
- if (this.utf8bytes.length + lengthBytes < totalDataCount || typeNumber == 40) {
- this.typeNumber = typeNumber;
- this.rsBlock = rsBlock;
- this.totalDataCount = totalDataCount;
- break;
- }
- }
- };
-
-
-
- function QRBitBuffer() {
- this.buffer = new Array();
- this.length = 0;
- }
- QRBitBuffer.prototype = {
- get: function (index) {
- var bufIndex = Math.floor(index / 8);
- return ((this.buffer[bufIndex] >>> (7 - index % 8)) & 1);
- },
- put: function (num, length) {
- for (var i = 0; i < length; i++) {
- this.putBit(((num >>> (length - i - 1)) & 1));
- }
- },
- 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++;
- }
- };
-
- let qrcodeAlgObjCache = [];
-
- QRCode = function (opt) {
-
- this.options = {
- text: '',
- size: 256,
- correctLevel: 3,
- background: '#ffffff',
- foreground: '#000000',
- pdground: '#000000',
- image: '',
- imageSize: 30,
- canvasId: opt.canvasId,
- context: opt.context,
- usingComponents: opt.usingComponents,
- showLoading: opt.showLoading,
- loadingText: opt.loadingText,
- };
- if (typeof opt === 'string') {
- opt = {
- text: opt
- };
- }
- if (opt) {
- for (var i in opt) {
- this.options[i] = opt[i];
- }
- }
-
- var qrCodeAlg = null;
- for (var i = 0, l = qrcodeAlgObjCache.length; i < l; i++) {
- if (qrcodeAlgObjCache[i].text == this.options.text && qrcodeAlgObjCache[i].text.correctLevel == this.options.correctLevel) {
- qrCodeAlg = qrcodeAlgObjCache[i].obj;
- break;
- }
- }
- if (i == l) {
- qrCodeAlg = new QRCodeAlg(this.options.text, this.options.correctLevel);
- qrcodeAlgObjCache.push({
- text: this.options.text,
- correctLevel: this.options.correctLevel,
- obj: qrCodeAlg
- });
- }
-
- let getForeGround = function (config) {
- var options = config.options;
- if (options.pdground && (
- (config.row > 1 && config.row < 5 && config.col > 1 && config.col < 5) ||
- (config.row > (config.count - 6) && config.row < (config.count - 2) && config.col > 1 && config.col < 5) ||
- (config.row > 1 && config.row < 5 && config.col > (config.count - 6) && config.col < (config.count - 2))
- )) {
- return options.pdground;
- }
- return options.foreground;
- }
-
- let createCanvas = function (options) {
- if (options.showLoading) {
- uni.showLoading({
- title: options.loadingText,
- mask: true
- });
- }
- var ctx = uni.createCanvasContext(options.canvasId, options.context);
- var count = qrCodeAlg.getModuleCount();
- var ratioSize = options.size;
- var ratioImgSize = options.imageSize;
-
- var tileW = (ratioSize / count).toPrecision(4);
- var tileH = (ratioSize / count).toPrecision(4);
-
- for (var row = 0; row < count; row++) {
- for (var col = 0; col < count; col++) {
- var w = (Math.ceil((col + 1) * tileW) - Math.floor(col * tileW));
- var h = (Math.ceil((row + 1) * tileW) - Math.floor(row * tileW));
- var foreground = getForeGround({
- row: row,
- col: col,
- count: count,
- options: options
- });
- ctx.setFillStyle(qrCodeAlg.modules[row][col] ? foreground : options.background);
- ctx.fillRect(Math.round(col * tileW), Math.round(row * tileH), w, h);
- }
- }
- if (options.image) {
- var x = Number(((ratioSize - ratioImgSize) / 2).toFixed(2));
- var y = Number(((ratioSize - ratioImgSize) / 2).toFixed(2));
- drawRoundedRect(ctx, x, y, ratioImgSize, ratioImgSize, 2, 6, true, true)
- ctx.drawImage(options.image, x, y, ratioImgSize, ratioImgSize);
-
- function drawRoundedRect(ctxi, x, y, width, height, r, lineWidth, fill, stroke) {
- ctxi.setLineWidth(lineWidth);
- ctxi.setFillStyle(options.background);
- ctxi.setStrokeStyle(options.background);
- ctxi.beginPath();
- ctxi.moveTo(x + r, y);
- ctxi.arcTo(x + width, y, x + width, y + r, r);
- ctxi.arcTo(x + width, y + height, x + width - r, y + height, r);
- ctxi.arcTo(x, y + height, x, y + height - r, r);
- ctxi.arcTo(x, y, x + r, y, r);
- ctxi.closePath();
- if (fill) {
- ctxi.fill();
- }
- if (stroke) {
- ctxi.stroke();
- }
- }
- }
- setTimeout(() => {
- ctx.draw(true, () => {
-
- setTimeout(() => {
- uni.canvasToTempFilePath({
- width: options.width,
- height: options.height,
- destWidth: options.width,
- destHeight: options.height,
- canvasId: options.canvasId,
- quality: Number(1),
- success: function (res) {
- if (options.cbResult) {
- options.cbResult(res.tempFilePath)
- }
- },
- fail: function (res) {
- if (options.cbResult) {
- options.cbResult(res)
- }
- },
- complete: function () {
- if (options.showLoading){
- uni.hideLoading();
- }
- },
- }, options.context);
- }, options.text.length + 100);
- });
- }, options.usingComponents ? 0 : 150);
- }
- createCanvas(this.options);
-
- let empty = function (v) {
- let tp = typeof v,
- rt = false;
- if (tp == "number" && String(v) == "") {
- rt = true
- } else if (tp == "undefined") {
- rt = true
- } else if (tp == "object") {
- if (JSON.stringify(v) == "{}" || JSON.stringify(v) == "[]" || v == null) rt = true
- } else if (tp == "string") {
- if (v == "" || v == "undefined" || v == "null" || v == "{}" || v == "[]") rt = true
- } else if (tp == "function") {
- rt = false
- }
- return rt
- }
- };
- QRCode.prototype.clear = function (fn) {
- var ctx = uni.createCanvasContext(this.options.canvasId, this.options.context)
- ctx.clearRect(0, 0, this.options.size, this.options.size)
- ctx.draw(false, () => {
- if (fn) {
- fn()
- }
- })
- };
- })()
- export default QRCode
|