¶Ô±ÈÐÂÎļþ |
| | |
| | | let QRCode = {}; |
| | | (function () { |
| | | /** |
| | | * è·åå个å符çutf8ç¼ç |
| | | * unicode BMPå¹³é¢çº¦65535个å符 |
| | | * @param {num} code |
| | | * return {array} |
| | | */ |
| | | function unicodeFormat8(code) { |
| | | // 1 byte |
| | | var c0, c1, c2; |
| | | if (code < 128) { |
| | | return [code]; |
| | | // 2 bytes |
| | | } else if (code < 2048) { |
| | | c0 = 192 + (code >> 6); |
| | | c1 = 128 + (code & 63); |
| | | return [c0, c1]; |
| | | // 3 bytes |
| | | } else { |
| | | c0 = 224 + (code >> 12); |
| | | c1 = 128 + (code >> 6 & 63); |
| | | c2 = 128 + (code & 63); |
| | | return [c0, c1, c2]; |
| | | } |
| | | } |
| | | /** |
| | | * è·åå符串çutf8ç¼ç åè串 |
| | | * @param {string} string |
| | | * @return {array} |
| | | */ |
| | | 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; |
| | | } |
| | | /** |
| | | * äºç»´ç ç®æ³å®ç° |
| | | * @param {string} data è¦ç¼ç çä¿¡æ¯å符串 |
| | | * @param {num} errorCorrectLevel çº éç级 |
| | | */ |
| | | function QRCodeAlg(data, errorCorrectLevel) { |
| | | this.typeNumber = -1; //çæ¬ |
| | | this.errorCorrectLevel = errorCorrectLevel; |
| | | this.modules = null; //äºç»´ç©éµï¼åæ¾æç»ç»æ |
| | | this.moduleCount = 0; //ç©éµå¤§å° |
| | | this.dataCache = null; //æ°æ®ç¼å |
| | | this.rsBlocks = null; //çæ¬æ°æ®ä¿¡æ¯ |
| | | this.totalDataCount = -1; //å¯ä½¿ç¨çæ°æ®é |
| | | this.data = data; |
| | | this.utf8bytes = getUTF8Bytes(data); |
| | | this.make(); |
| | | } |
| | | QRCodeAlg.prototype = { |
| | | constructor: QRCodeAlg, |
| | | /** |
| | | * è·åäºç»´ç ç©éµå¤§å° |
| | | * @return {num} ç©éµå¤§å° |
| | | */ |
| | | getModuleCount: function () { |
| | | return this.moduleCount; |
| | | }, |
| | | /** |
| | | * ç¼ç |
| | | */ |
| | | make: function () { |
| | | this.getRightType(); |
| | | this.dataCache = this.createData(); |
| | | this.createQrcode(); |
| | | }, |
| | | /** |
| | | * 设置äºä½ç©éµåè½å¾å½¢ |
| | | * @param {bool} test 表示æ¯å¦å¨å¯»æ¾æå¥½æ©èé¶æ®µ |
| | | * @param {num} maskPattern æ©èççæ¬ |
| | | */ |
| | | 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); |
| | | }, |
| | | /** |
| | | * 设置äºç»´ç çä½ç½®æ¢æµå¾å½¢ |
| | | * @param {num} row æ¢æµå¾å½¢çä¸å¿æ¨ªåæ |
| | | * @param {num} col æ¢æµå¾å½¢çä¸å¿çºµåæ |
| | | */ |
| | | 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; |
| | | } |
| | | } |
| | | } |
| | | }, |
| | | /** |
| | | * å建äºç»´ç |
| | | * @return {[type]} [description] |
| | | */ |
| | | 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); |
| | | } |
| | | }, |
| | | /** |
| | | * 设置å®ä½å¾å½¢ |
| | | * @return {[type]} [description] |
| | | */ |
| | | 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); |
| | | } |
| | | }, |
| | | /** |
| | | * è®¾ç½®ç«æ£å¾å½¢ |
| | | * @return {[type]} [description] |
| | | */ |
| | | 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; |
| | | } |
| | | } |
| | | } |
| | | } |
| | | } |
| | | }, |
| | | /** |
| | | * è®¾ç½®çæ¬ä¿¡æ¯ï¼7以ä¸çæ¬ææï¼ |
| | | * @param {bool} test æ¯å¦å¤äºå¤ææä½³æ©èé¶æ®µ |
| | | * @return {[type]} [description] |
| | | */ |
| | | 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; |
| | | } |
| | | }, |
| | | /** |
| | | * è®¾ç½®æ ¼å¼ä¿¡æ¯ï¼çº éççº§åæ©èçæ¬ï¼ |
| | | * @param {bool} test |
| | | * @param {num} maskPattern æ©èçæ¬ |
| | | * @return {} |
| | | */ |
| | | setupTypeInfo: function (test, maskPattern) { |
| | | var data = (QRErrorCorrectLevel[this.errorCorrectLevel] << 3) | maskPattern; |
| | | var bits = QRUtil.getBCHTypeInfo(data); |
| | | // vertical |
| | | 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; |
| | | } |
| | | // horizontal |
| | | 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; |
| | | } |
| | | } |
| | | // fixed module |
| | | this.modules[this.moduleCount - 8][8] = (!test); |
| | | }, |
| | | /** |
| | | * æ°æ®ç¼ç |
| | | * @return {[type]} [description] |
| | | */ |
| | | createData: function () { |
| | | var buffer = new QRBitBuffer(); |
| | | var lengthBits = this.typeNumber > 9 ? 16 : 8; |
| | | buffer.put(4, 4); //æ·»å æ¨¡å¼ |
| | | 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); |
| | | } |
| | | // padding |
| | | while (buffer.length % 8 != 0) { |
| | | buffer.putBit(false); |
| | | } |
| | | // padding |
| | | 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); |
| | | }, |
| | | /** |
| | | * çº éç ç¼ç |
| | | * @param {buffer} buffer æ°æ®ç¼ç |
| | | * @return {[type]} |
| | | */ |
| | | 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; |
| | | |
| | | }, |
| | | /** |
| | | * å¸ç½®æ¨¡åï¼æå»ºæç»ä¿¡æ¯ |
| | | * @param {} data |
| | | * @param {} maskPattern |
| | | * @return {} |
| | | */ |
| | | 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; |
| | | } |
| | | } |
| | | } |
| | | } |
| | | }; |
| | | /** |
| | | * å¡«å
åæ®µ |
| | | */ |
| | | QRCodeAlg.PAD0 = 0xEC; |
| | | QRCodeAlg.PAD1 = 0x11; |
| | | //--------------------------------------------------------------------- |
| | | // çº éç级对åºçç¼ç |
| | | //--------------------------------------------------------------------- |
| | | var QRErrorCorrectLevel = [1, 0, 3, 2]; |
| | | //--------------------------------------------------------------------- |
| | | // æ©èçæ¬ |
| | | //--------------------------------------------------------------------- |
| | | var QRMaskPattern = { |
| | | PATTERN000: 0, |
| | | PATTERN001: 1, |
| | | PATTERN010: 2, |
| | | PATTERN011: 3, |
| | | PATTERN100: 4, |
| | | PATTERN101: 5, |
| | | PATTERN110: 6, |
| | | PATTERN111: 7 |
| | | }; |
| | | //--------------------------------------------------------------------- |
| | | // å·¥å
·ç±» |
| | | //--------------------------------------------------------------------- |
| | | var QRUtil = { |
| | | /* |
| | | æ¯ä¸ªçæ¬ç«æ£å¾å½¢çä½ç½® |
| | | */ |
| | | 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), |
| | | /* |
| | | BCHç¼ç æ ¼å¼ä¿¡æ¯ |
| | | */ |
| | | 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; |
| | | }, |
| | | /* |
| | | BCHç¼ç çæ¬ä¿¡æ¯ |
| | | */ |
| | | 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; |
| | | }, |
| | | /* |
| | | è·åBCHä½ä¿¡æ¯ |
| | | */ |
| | | getBCHDigit: function (data) { |
| | | var digit = 0; |
| | | while (data != 0) { |
| | | digit++; |
| | | data >>>= 1; |
| | | } |
| | | return digit; |
| | | }, |
| | | /* |
| | | è·åçæ¬å¯¹åºçç«æ£å¾å½¢ä½ç½® |
| | | */ |
| | | getPatternPosition: function (typeNumber) { |
| | | return QRUtil.PATTERN_POSITION_TABLE[typeNumber - 1]; |
| | | }, |
| | | /* |
| | | æ©èç®æ³ |
| | | */ |
| | | 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); |
| | | } |
| | | }, |
| | | /* |
| | | è·åRSççº éå¤é¡¹å¼ |
| | | */ |
| | | 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; |
| | | }, |
| | | /* |
| | | è·åè¯ä»· |
| | | */ |
| | | 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]; |
| | | //level 3 è¯ä»· |
| | | 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; |
| | | } |
| | | } |
| | | } |
| | | } |
| | | //level 2 è¯ä»· |
| | | 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; |
| | | } |
| | | } |
| | | //level 1 è¯ä»· |
| | | if (head ^ current) { |
| | | sameCount++; |
| | | } else { |
| | | head = current; |
| | | if (sameCount >= 5) { |
| | | lostPoint += (3 + sameCount - 5); |
| | | } |
| | | sameCount = 1; |
| | | } |
| | | //level 4 è¯ä»· |
| | | 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]; |
| | | //level 3 è¯ä»· |
| | | 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; |
| | | } |
| | | } |
| | | } |
| | | } |
| | | //level 1 è¯ä»· |
| | | if (head ^ current) { |
| | | sameCount++; |
| | | } else { |
| | | head = current; |
| | | if (sameCount >= 5) { |
| | | lostPoint += (3 + sameCount - 5); |
| | | } |
| | | sameCount = 1; |
| | | } |
| | | } |
| | | } |
| | | // LEVEL4 |
| | | var ratio = Math.abs(100 * darkCount / moduleCount / moduleCount - 50) / 5; |
| | | lostPoint += ratio * 10; |
| | | return lostPoint; |
| | | } |
| | | |
| | | }; |
| | | //--------------------------------------------------------------------- |
| | | // QRMath使ç¨çæ°å¦å·¥å
· |
| | | //--------------------------------------------------------------------- |
| | | var QRMath = { |
| | | /* |
| | | å°n转å为a^m |
| | | */ |
| | | glog: function (n) { |
| | | if (n < 1) { |
| | | throw new Error("glog(" + n + ")"); |
| | | } |
| | | return QRMath.LOG_TABLE[n]; |
| | | }, |
| | | /* |
| | | å°a^m转å为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 å¤é¡¹å¼ |
| | | //--------------------------------------------------------------------- |
| | | /** |
| | | * å¤é¡¹å¼ç±» |
| | | * @param {Array} num ç³»æ° |
| | | * @param {num} shift a^shift |
| | | */ |
| | | 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; |
| | | }, |
| | | /** |
| | | * å¤é¡¹å¼ä¹æ³ |
| | | * @param {QRPolynomial} e 被ä¹å¤é¡¹å¼ |
| | | * @return {[type]} [description] |
| | | */ |
| | | 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); |
| | | }, |
| | | /** |
| | | * å¤é¡¹å¼æ¨¡è¿ç® |
| | | * @param {QRPolynomial} e 模å¤é¡¹å¼ |
| | | * @return {} |
| | | */ |
| | | 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); |
| | | } |
| | | }; |
| | | |
| | | //--------------------------------------------------------------------- |
| | | // RS_BLOCK_TABLE |
| | | //--------------------------------------------------------------------- |
| | | /* |
| | | äºç»´ç åä¸ªçæ¬ä¿¡æ¯[åæ°, æ¯åä¸çæ°æ®åæ°, æ¯åä¸çä¿¡æ¯åæ°] |
| | | */ |
| | | var 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] |
| | | ]; |
| | | |
| | | /** |
| | | * æ ¹æ®æ°æ®è·å对åºçæ¬ |
| | | * @return {[type]} [description] |
| | | */ |
| | | 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; |
| | | } |
| | | } |
| | | }; |
| | | |
| | | //--------------------------------------------------------------------- |
| | | // QRBitBuffer |
| | | //--------------------------------------------------------------------- |
| | | 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++; |
| | | } |
| | | }; |
| | | |
| | | |
| | | |
| | | // xzedit |
| | | let qrcodeAlgObjCache = []; |
| | | /** |
| | | * äºç»´ç æé 彿°ï¼ä¸»è¦ç¨äºç»å¶ |
| | | * @param {åæ°å表} opt ä¼ éåæ° |
| | | * @return {} |
| | | */ |
| | | QRCode = function (opt) { |
| | | //设置é»è®¤åæ° |
| | | 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') { // åªç¼ç ASCIIå符串 |
| | | opt = { |
| | | text: opt |
| | | }; |
| | | } |
| | | if (opt) { |
| | | for (var i in opt) { |
| | | this.options[i] = opt[i]; |
| | | } |
| | | } |
| | | //使ç¨QRCodeAlgå建äºç»´ç ç»æ |
| | | 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 |
| | | }); |
| | | } |
| | | /** |
| | | * 计ç®ç©éµç¹çåæ¯è² |
| | | * @param {Obj} config |
| | | * @param {Number} config.row ç¹xåæ |
| | | * @param {Number} config.col ç¹yåæ |
| | | * @param {Number} config.count ç©éµå¤§å° |
| | | * @param {Number} config.options ç»ä»¶çoptions |
| | | * @return {String} |
| | | */ |
| | | 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; |
| | | } |
| | | // å建canvas |
| | | 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; |
| | | //è®¡ç®æ¯ä¸ªç¹çé¿å®½ |
| | | var tileW = (ratioSize / count).toPrecision(4); |
| | | var tileH = (ratioSize / count).toPrecision(4); |
| | | //ç»å¶ |
| | | 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); |
| | | // ç»åè§ç©å½¢ |
| | | function drawRoundedRect(ctxi, x, y, width, height, r, lineWidth, fill, stroke) { |
| | | ctxi.setLineWidth(lineWidth); |
| | | ctxi.setFillStyle(options.background); |
| | | ctxi.setStrokeStyle(options.background); |
| | | ctxi.beginPath(); // draw top and top right corner |
| | | ctxi.moveTo(x + r, y); |
| | | ctxi.arcTo(x + width, y, x + width, y + r, r); // draw right side and bottom right corner |
| | | ctxi.arcTo(x + width, y + height, x + width - r, y + height, r); // draw bottom and bottom left corner |
| | | ctxi.arcTo(x, y + height, x, y + height - r, r); // draw left and top left corner |
| | | ctxi.arcTo(x, y, x + r, y, r); |
| | | ctxi.closePath(); |
| | | if (fill) { |
| | | ctxi.fill(); |
| | | } |
| | | if (stroke) { |
| | | ctxi.stroke(); |
| | | } |
| | | } |
| | | } |
| | | setTimeout(() => { |
| | | ctx.draw(true, () => { |
| | | // ä¿åå°ä¸´æ¶åºå |
| | | 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) { |
| | | // ç±äºå®æ¹è¿æ²¡æç»ä¸æ¤æ¥å£çè¾åºåæ®µï¼æä»¥å
å¤å®ä¸ æ¯ä»å®ä¸º res.apFilePath |
| | | if (!empty(res.tempFilePath)) { |
| | | options.cbResult(res.tempFilePath) |
| | | } else if (!empty(res.apFilePath)) { |
| | | options.cbResult(res.apFilePath) |
| | | } else { |
| | | options.cbResult(res.tempFilePath) |
| | | } |
| | | } |
| | | }, |
| | | fail: function (res) { |
| | | if (options.cbResult) { |
| | | options.cbResult(res) |
| | | } |
| | | }, |
| | | complete: function () { |
| | | uni.hideLoading(); |
| | | }, |
| | | }, options.context); |
| | | }, options.text.length + 100); |
| | | }); |
| | | }, options.usingComponents ? 0 : 150); |
| | | } |
| | | createCanvas(this.options); |
| | | // 空å¤å® |
| | | 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 |