| | |
| | | // uqrcode.js |
| | | //--------------------------------------------------------------------- |
| | | // github https://github.com/Sansnn/uQRCode |
| | | //--------------------------------------------------------------------- |
| | | |
| | | let uQRCode = {}; |
| | | |
| | | (function() { |
| | | //--------------------------------------------------------------------- |
| | | // QRCode for JavaScript |
| | | // |
| | | // Copyright (c) 2009 Kazuhiko Arase |
| | | // |
| | | // URL: http://www.d-project.com/ |
| | | // |
| | | // Licensed under the MIT license: |
| | | // http://www.opensource.org/licenses/mit-license.php |
| | | // |
| | | // The word "QR Code" is registered trademark of |
| | | // DENSO WAVE INCORPORATED |
| | | // http://www.denso-wave.com/qrcode/faqpatent-e.html |
| | | // |
| | | //--------------------------------------------------------------------- |
| | | |
| | | //--------------------------------------------------------------------- |
| | | // QR8bitByte |
| | | //--------------------------------------------------------------------- |
| | | |
| | | function QR8bitByte(data) { |
| | | this.mode = QRMode.MODE_8BIT_BYTE; |
| | | this.data = data; |
| | | } |
| | | |
| | | QR8bitByte.prototype = { |
| | | |
| | | getLength: function(buffer) { |
| | | return this.data.length; |
| | | }, |
| | | |
| | | write: function(buffer) { |
| | | for (var i = 0; i < this.data.length; i++) { |
| | | // not JIS ... |
| | | buffer.put(this.data.charCodeAt(i), 8); |
| | | } |
| | | } |
| | | }; |
| | | |
| | | //--------------------------------------------------------------------- |
| | | // QRCode |
| | | //--------------------------------------------------------------------- |
| | | |
| | | function QRCode(typeNumber, errorCorrectLevel) { |
| | | this.typeNumber = typeNumber; |
| | | this.errorCorrectLevel = errorCorrectLevel; |
| | | this.modules = null; |
| | | this.moduleCount = 0; |
| | | this.dataCache = null; |
| | | this.dataList = new Array(); |
| | | } |
| | | |
| | | QRCode.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() { |
| | | // Calculate automatically typeNumber if provided is < 1 |
| | | if (this.typeNumber < 1) { |
| | | var typeNumber = 1; |
| | | for (typeNumber = 1; typeNumber < 40; typeNumber++) { |
| | | var rsBlocks = QRRSBlock.getRSBlocks(typeNumber, this.errorCorrectLevel); |
| | | |
| | | var buffer = new QRBitBuffer(); |
| | | var totalDataCount = 0; |
| | | for (var i = 0; i < rsBlocks.length; i++) { |
| | | totalDataCount += rsBlocks[i].dataCount; |
| | | } |
| | | |
| | | for (var i = 0; i < this.dataList.length; i++) { |
| | | var data = this.dataList[i]; |
| | | buffer.put(data.mode, 4); |
| | | buffer.put(data.getLength(), QRUtil.getLengthInBits(data.mode, typeNumber)); |
| | | data.write(buffer); |
| | | } |
| | | if (buffer.getLengthInBits() <= totalDataCount * 8) |
| | | break; |
| | | } |
| | | this.typeNumber = typeNumber; |
| | | } |
| | | 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; //(col + row) % 3; |
| | | } |
| | | } |
| | | |
| | | 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 = QRCode.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); |
| | | |
| | | // 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 |
| | | 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; |
| | | } |
| | | } |
| | | |
| | | // fixed module |
| | | 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; |
| | | } |
| | | } |
| | | } |
| | | |
| | | } |
| | | |
| | | }; |
| | | |
| | | QRCode.PAD0 = 0xEC; |
| | | QRCode.PAD1 = 0x11; |
| | | |
| | | QRCode.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); |
| | | } |
| | | |
| | | // calc num max data. |
| | | 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 + |
| | | ")"); |
| | | } |
| | | |
| | | // end code |
| | | if (buffer.getLengthInBits() + 4 <= totalDataCount * 8) { |
| | | buffer.put(0, 4); |
| | | } |
| | | |
| | | // padding |
| | | while (buffer.getLengthInBits() % 8 != 0) { |
| | | buffer.putBit(false); |
| | | } |
| | | |
| | | // padding |
| | | while (true) { |
| | | |
| | | if (buffer.getLengthInBits() >= totalDataCount * 8) { |
| | | break; |
| | | } |
| | | buffer.put(QRCode.PAD0, 8); |
| | | |
| | | if (buffer.getLengthInBits() >= totalDataCount * 8) { |
| | | break; |
| | | } |
| | | buffer.put(QRCode.PAD1, 8); |
| | | } |
| | | |
| | | return QRCode.createBytes(buffer, rsBlocks); |
| | | } |
| | | |
| | | QRCode.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; |
| | | |
| | | } |
| | | |
| | | //--------------------------------------------------------------------- |
| | | // QRMode |
| | | //--------------------------------------------------------------------- |
| | | |
| | | var QRMode = { |
| | | MODE_NUMBER: 1 << 0, |
| | | MODE_ALPHA_NUM: 1 << 1, |
| | | MODE_8BIT_BYTE: 1 << 2, |
| | | MODE_KANJI: 1 << 3 |
| | | }; |
| | | |
| | | //--------------------------------------------------------------------- |
| | | // QRErrorCorrectLevel |
| | | //--------------------------------------------------------------------- |
| | | |
| | | var QRErrorCorrectLevel = { |
| | | L: 1, |
| | | M: 0, |
| | | Q: 3, |
| | | H: 2 |
| | | }; |
| | | |
| | | //--------------------------------------------------------------------- |
| | | // QRMaskPattern |
| | | //--------------------------------------------------------------------- |
| | | |
| | | var QRMaskPattern = { |
| | | PATTERN000: 0, |
| | | PATTERN001: 1, |
| | | PATTERN010: 2, |
| | | PATTERN011: 3, |
| | | PATTERN100: 4, |
| | | PATTERN101: 5, |
| | | PATTERN110: 6, |
| | | PATTERN111: 7 |
| | | }; |
| | | |
| | | //--------------------------------------------------------------------- |
| | | // QRUtil |
| | | //--------------------------------------------------------------------- |
| | | |
| | | 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) { |
| | | |
| | | // 1 - 9 |
| | | |
| | | switch (mode) { |
| | | case QRMode.MODE_NUMBER: |
| | | return 10; |
| | | case QRMode.MODE_ALPHA_NUM: |
| | | return 9; |
| | | case QRMode.MODE_8BIT_BYTE: |
| | | return 8; |
| | | case QRMode.MODE_KANJI: |
| | | return 8; |
| | | default: |
| | | throw new Error("mode:" + mode); |
| | | } |
| | | |
| | | } else if (type < 27) { |
| | | |
| | | // 10 - 26 |
| | | |
| | | switch (mode) { |
| | | case QRMode.MODE_NUMBER: |
| | | return 12; |
| | | case QRMode.MODE_ALPHA_NUM: |
| | | return 11; |
| | | case QRMode.MODE_8BIT_BYTE: |
| | | return 16; |
| | | case QRMode.MODE_KANJI: |
| | | return 10; |
| | | default: |
| | | throw new Error("mode:" + mode); |
| | | } |
| | | |
| | | } else if (type < 41) { |
| | | |
| | | // 27 - 40 |
| | | |
| | | switch (mode) { |
| | | case QRMode.MODE_NUMBER: |
| | | return 14; |
| | | case QRMode.MODE_ALPHA_NUM: |
| | | return 13; |
| | | case QRMode.MODE_8BIT_BYTE: |
| | | return 16; |
| | | case QRMode.MODE_KANJI: |
| | | return 12; |
| | | default: |
| | | throw new Error("mode:" + mode); |
| | | } |
| | | |
| | | } else { |
| | | throw new Error("type:" + type); |
| | | } |
| | | }, |
| | | |
| | | getLostPoint: function(qrCode) { |
| | | |
| | | var moduleCount = qrCode.getModuleCount(); |
| | | |
| | | var lostPoint = 0; |
| | | |
| | | // LEVEL1 |
| | | |
| | | for (var row = 0; row < moduleCount; row++) { |
| | | |
| | | for (var col = 0; col < moduleCount; col++) { |
| | | |
| | | var sameCount = 0; |
| | | var dark = qrCode.isDark(row, col); |
| | | |
| | | for (var r = -1; r <= 1; r++) { |
| | | |
| | | if (row + r < 0 || moduleCount <= row + r) { |
| | | continue; |
| | | } |
| | | |
| | | for (var c = -1; c <= 1; c++) { |
| | | |
| | | if (col + c < 0 || moduleCount <= col + c) { |
| | | continue; |
| | | } |
| | | |
| | | if (r == 0 && c == 0) { |
| | | continue; |
| | | } |
| | | |
| | | if (dark == qrCode.isDark(row + r, col + c)) { |
| | | sameCount++; |
| | | } |
| | | } |
| | | } |
| | | |
| | | if (sameCount > 5) { |
| | | lostPoint += (3 + sameCount - 5); |
| | | } |
| | | } |
| | | } |
| | | |
| | | // LEVEL2 |
| | | |
| | | for (var row = 0; row < moduleCount - 1; row++) { |
| | | for (var col = 0; col < moduleCount - 1; col++) { |
| | | var count = 0; |
| | | if (qrCode.isDark(row, col)) count++; |
| | | if (qrCode.isDark(row + 1, col)) count++; |
| | | if (qrCode.isDark(row, col + 1)) count++; |
| | | if (qrCode.isDark(row + 1, col + 1)) count++; |
| | | if (count == 0 || count == 4) { |
| | | lostPoint += 3; |
| | | } |
| | | } |
| | | } |
| | | |
| | | // LEVEL3 |
| | | |
| | | for (var row = 0; row < moduleCount; row++) { |
| | | for (var col = 0; col < moduleCount - 6; col++) { |
| | | if (qrCode.isDark(row, col) && |
| | | !qrCode.isDark(row, col + 1) && |
| | | qrCode.isDark(row, col + 2) && |
| | | qrCode.isDark(row, col + 3) && |
| | | qrCode.isDark(row, col + 4) && |
| | | !qrCode.isDark(row, col + 5) && |
| | | qrCode.isDark(row, col + 6)) { |
| | | lostPoint += 40; |
| | | } |
| | | } |
| | | } |
| | | |
| | | for (var col = 0; col < moduleCount; col++) { |
| | | for (var row = 0; row < moduleCount - 6; row++) { |
| | | if (qrCode.isDark(row, col) && |
| | | !qrCode.isDark(row + 1, col) && |
| | | qrCode.isDark(row + 2, col) && |
| | | qrCode.isDark(row + 3, col) && |
| | | qrCode.isDark(row + 4, col) && |
| | | !qrCode.isDark(row + 5, col) && |
| | | qrCode.isDark(row + 6, col)) { |
| | | lostPoint += 40; |
| | | } |
| | | } |
| | | } |
| | | |
| | | // LEVEL4 |
| | | |
| | | var darkCount = 0; |
| | | |
| | | for (var col = 0; col < moduleCount; col++) { |
| | | for (var row = 0; row < moduleCount; row++) { |
| | | if (qrCode.isDark(row, col)) { |
| | | darkCount++; |
| | | } |
| | | } |
| | | } |
| | | |
| | | var ratio = Math.abs(100 * darkCount / moduleCount / moduleCount - 50) / 5; |
| | | lostPoint += ratio * 10; |
| | | |
| | | return lostPoint; |
| | | } |
| | | |
| | | }; |
| | | |
| | | |
| | | //--------------------------------------------------------------------- |
| | | // QRMath |
| | | //--------------------------------------------------------------------- |
| | | |
| | | var QRMath = { |
| | | |
| | | glog: function(n) { |
| | | |
| | | if (n < 1) { |
| | | throw new Error("glog(" + n + ")"); |
| | | } |
| | | |
| | | return QRMath.LOG_TABLE[n]; |
| | | }, |
| | | |
| | | gexp: function(n) { |
| | | |
| | | while (n < 0) { |
| | | n += 255; |
| | | } |
| | | |
| | | while (n >= 256) { |
| | | n -= 255; |
| | | } |
| | | |
| | | return QRMath.EXP_TABLE[n]; |
| | | }, |
| | | |
| | | EXP_TABLE: new Array(256), |
| | | |
| | | LOG_TABLE: new Array(256) |
| | | |
| | | }; |
| | | |
| | | for (var i = 0; i < 8; i++) { |
| | | QRMath.EXP_TABLE[i] = 1 << i; |
| | | } |
| | | for (var i = 8; i < 256; i++) { |
| | | QRMath.EXP_TABLE[i] = QRMath.EXP_TABLE[i - 4] ^ |
| | | QRMath.EXP_TABLE[i - 5] ^ |
| | | QRMath.EXP_TABLE[i - 6] ^ |
| | | QRMath.EXP_TABLE[i - 8]; |
| | | } |
| | | for (var i = 0; i < 255; i++) { |
| | | QRMath.LOG_TABLE[QRMath.EXP_TABLE[i]] = i; |
| | | } |
| | | |
| | | //--------------------------------------------------------------------- |
| | | // QRPolynomial |
| | | //--------------------------------------------------------------------- |
| | | |
| | | 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); |
| | | } |
| | | |
| | | // recursive call |
| | | return new QRPolynomial(num, 0).mod(e); |
| | | } |
| | | }; |
| | | |
| | | //--------------------------------------------------------------------- |
| | | // QRRSBlock |
| | | //--------------------------------------------------------------------- |
| | | |
| | | function QRRSBlock(totalCount, dataCount) { |
| | | this.totalCount = totalCount; |
| | | this.dataCount = dataCount; |
| | | } |
| | | |
| | | QRRSBlock.RS_BLOCK_TABLE = [ |
| | | |
| | | // L |
| | | // M |
| | | // Q |
| | | // H |
| | | |
| | | // 1 |
| | | [1, 26, 19], |
| | | [1, 26, 16], |
| | | [1, 26, 13], |
| | | [1, 26, 9], |
| | | |
| | | // 2 |
| | | [1, 44, 34], |
| | | [1, 44, 28], |
| | | [1, 44, 22], |
| | | [1, 44, 16], |
| | | |
| | | // 3 |
| | | [1, 70, 55], |
| | | [1, 70, 44], |
| | | [2, 35, 17], |
| | | [2, 35, 13], |
| | | |
| | | // 4 |
| | | [1, 100, 80], |
| | | [2, 50, 32], |
| | | [2, 50, 24], |
| | | [4, 25, 9], |
| | | |
| | | // 5 |
| | | [1, 134, 108], |
| | | [2, 67, 43], |
| | | [2, 33, 15, 2, 34, 16], |
| | | [2, 33, 11, 2, 34, 12], |
| | | |
| | | // 6 |
| | | [2, 86, 68], |
| | | [4, 43, 27], |
| | | [4, 43, 19], |
| | | [4, 43, 15], |
| | | |
| | | // 7 |
| | | [2, 98, 78], |
| | | [4, 49, 31], |
| | | [2, 32, 14, 4, 33, 15], |
| | | [4, 39, 13, 1, 40, 14], |
| | | |
| | | // 8 |
| | | [2, 121, 97], |
| | | [2, 60, 38, 2, 61, 39], |
| | | [4, 40, 18, 2, 41, 19], |
| | | [4, 40, 14, 2, 41, 15], |
| | | |
| | | // 9 |
| | | [2, 146, 116], |
| | | [3, 58, 36, 2, 59, 37], |
| | | [4, 36, 16, 4, 37, 17], |
| | | [4, 36, 12, 4, 37, 13], |
| | | |
| | | // 10 |
| | | [2, 86, 68, 2, 87, 69], |
| | | [4, 69, 43, 1, 70, 44], |
| | | [6, 43, 19, 2, 44, 20], |
| | | [6, 43, 15, 2, 44, 16], |
| | | |
| | | // 11 |
| | | [4, 101, 81], |
| | | [1, 80, 50, 4, 81, 51], |
| | | [4, 50, 22, 4, 51, 23], |
| | | [3, 36, 12, 8, 37, 13], |
| | | |
| | | // 12 |
| | | [2, 116, 92, 2, 117, 93], |
| | | [6, 58, 36, 2, 59, 37], |
| | | [4, 46, 20, 6, 47, 21], |
| | | [7, 42, 14, 4, 43, 15], |
| | | |
| | | // 13 |
| | | [4, 133, 107], |
| | | [8, 59, 37, 1, 60, 38], |
| | | [8, 44, 20, 4, 45, 21], |
| | | [12, 33, 11, 4, 34, 12], |
| | | |
| | | // 14 |
| | | [3, 145, 115, 1, 146, 116], |
| | | [4, 64, 40, 5, 65, 41], |
| | | [11, 36, 16, 5, 37, 17], |
| | | [11, 36, 12, 5, 37, 13], |
| | | |
| | | // 15 |
| | | [5, 109, 87, 1, 110, 88], |
| | | [5, 65, 41, 5, 66, 42], |
| | | [5, 54, 24, 7, 55, 25], |
| | | [11, 36, 12], |
| | | |
| | | // 16 |
| | | [5, 122, 98, 1, 123, 99], |
| | | [7, 73, 45, 3, 74, 46], |
| | | [15, 43, 19, 2, 44, 20], |
| | | [3, 45, 15, 13, 46, 16], |
| | | |
| | | // 17 |
| | | [1, 135, 107, 5, 136, 108], |
| | | [10, 74, 46, 1, 75, 47], |
| | | [1, 50, 22, 15, 51, 23], |
| | | [2, 42, 14, 17, 43, 15], |
| | | |
| | | // 18 |
| | | [5, 150, 120, 1, 151, 121], |
| | | [9, 69, 43, 4, 70, 44], |
| | | [17, 50, 22, 1, 51, 23], |
| | | [2, 42, 14, 19, 43, 15], |
| | | |
| | | // 19 |
| | | [3, 141, 113, 4, 142, 114], |
| | | [3, 70, 44, 11, 71, 45], |
| | | [17, 47, 21, 4, 48, 22], |
| | | [9, 39, 13, 16, 40, 14], |
| | | |
| | | // 20 |
| | | [3, 135, 107, 5, 136, 108], |
| | | [3, 67, 41, 13, 68, 42], |
| | | [15, 54, 24, 5, 55, 25], |
| | | [15, 43, 15, 10, 44, 16], |
| | | |
| | | // 21 |
| | | [4, 144, 116, 4, 145, 117], |
| | | [17, 68, 42], |
| | | [17, 50, 22, 6, 51, 23], |
| | | [19, 46, 16, 6, 47, 17], |
| | | |
| | | // 22 |
| | | [2, 139, 111, 7, 140, 112], |
| | | [17, 74, 46], |
| | | [7, 54, 24, 16, 55, 25], |
| | | [34, 37, 13], |
| | | |
| | | // 23 |
| | | [4, 151, 121, 5, 152, 122], |
| | | [4, 75, 47, 14, 76, 48], |
| | | [11, 54, 24, 14, 55, 25], |
| | | [16, 45, 15, 14, 46, 16], |
| | | |
| | | // 24 |
| | | [6, 147, 117, 4, 148, 118], |
| | | [6, 73, 45, 14, 74, 46], |
| | | [11, 54, 24, 16, 55, 25], |
| | | [30, 46, 16, 2, 47, 17], |
| | | |
| | | // 25 |
| | | [8, 132, 106, 4, 133, 107], |
| | | [8, 75, 47, 13, 76, 48], |
| | | [7, 54, 24, 22, 55, 25], |
| | | [22, 45, 15, 13, 46, 16], |
| | | |
| | | // 26 |
| | | [10, 142, 114, 2, 143, 115], |
| | | [19, 74, 46, 4, 75, 47], |
| | | [28, 50, 22, 6, 51, 23], |
| | | [33, 46, 16, 4, 47, 17], |
| | | |
| | | // 27 |
| | | [8, 152, 122, 4, 153, 123], |
| | | [22, 73, 45, 3, 74, 46], |
| | | [8, 53, 23, 26, 54, 24], |
| | | [12, 45, 15, 28, 46, 16], |
| | | |
| | | // 28 |
| | | [3, 147, 117, 10, 148, 118], |
| | | [3, 73, 45, 23, 74, 46], |
| | | [4, 54, 24, 31, 55, 25], |
| | | [11, 45, 15, 31, 46, 16], |
| | | |
| | | // 29 |
| | | [7, 146, 116, 7, 147, 117], |
| | | [21, 73, 45, 7, 74, 46], |
| | | [1, 53, 23, 37, 54, 24], |
| | | [19, 45, 15, 26, 46, 16], |
| | | |
| | | // 30 |
| | | [5, 145, 115, 10, 146, 116], |
| | | [19, 75, 47, 10, 76, 48], |
| | | [15, 54, 24, 25, 55, 25], |
| | | [23, 45, 15, 25, 46, 16], |
| | | |
| | | // 31 |
| | | [13, 145, 115, 3, 146, 116], |
| | | [2, 74, 46, 29, 75, 47], |
| | | [42, 54, 24, 1, 55, 25], |
| | | [23, 45, 15, 28, 46, 16], |
| | | |
| | | // 32 |
| | | [17, 145, 115], |
| | | [10, 74, 46, 23, 75, 47], |
| | | [10, 54, 24, 35, 55, 25], |
| | | [19, 45, 15, 35, 46, 16], |
| | | |
| | | // 33 |
| | | [17, 145, 115, 1, 146, 116], |
| | | [14, 74, 46, 21, 75, 47], |
| | | [29, 54, 24, 19, 55, 25], |
| | | [11, 45, 15, 46, 46, 16], |
| | | |
| | | // 34 |
| | | [13, 145, 115, 6, 146, 116], |
| | | [14, 74, 46, 23, 75, 47], |
| | | [44, 54, 24, 7, 55, 25], |
| | | [59, 46, 16, 1, 47, 17], |
| | | |
| | | // 35 |
| | | [12, 151, 121, 7, 152, 122], |
| | | [12, 75, 47, 26, 76, 48], |
| | | [39, 54, 24, 14, 55, 25], |
| | | [22, 45, 15, 41, 46, 16], |
| | | |
| | | // 36 |
| | | [6, 151, 121, 14, 152, 122], |
| | | [6, 75, 47, 34, 76, 48], |
| | | [46, 54, 24, 10, 55, 25], |
| | | [2, 45, 15, 64, 46, 16], |
| | | |
| | | // 37 |
| | | [17, 152, 122, 4, 153, 123], |
| | | [29, 74, 46, 14, 75, 47], |
| | | [49, 54, 24, 10, 55, 25], |
| | | [24, 45, 15, 46, 46, 16], |
| | | |
| | | // 38 |
| | | [4, 152, 122, 18, 153, 123], |
| | | [13, 74, 46, 32, 75, 47], |
| | | [48, 54, 24, 14, 55, 25], |
| | | [42, 45, 15, 32, 46, 16], |
| | | |
| | | // 39 |
| | | [20, 147, 117, 4, 148, 118], |
| | | [40, 75, 47, 7, 76, 48], |
| | | [43, 54, 24, 22, 55, 25], |
| | | [10, 45, 15, 67, 46, 16], |
| | | |
| | | // 40 |
| | | [19, 148, 118, 6, 149, 119], |
| | | [18, 75, 47, 31, 76, 48], |
| | | [34, 54, 24, 34, 55, 25], |
| | | [20, 45, 15, 61, 46, 16] |
| | | ]; |
| | | |
| | | 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 = new Array(); |
| | | |
| | | for (var i = 0; i < length; i++) { |
| | | |
| | | var count = rsBlock[i * 3 + 0]; |
| | | var totalCount = rsBlock[i * 3 + 1]; |
| | | var dataCount = rsBlock[i * 3 + 2]; |
| | | |
| | | for (var j = 0; j < count; j++) { |
| | | list.push(new QRRSBlock(totalCount, dataCount)); |
| | | } |
| | | } |
| | | |
| | | return list; |
| | | } |
| | | |
| | | 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; |
| | | } |
| | | } |
| | | |
| | | //--------------------------------------------------------------------- |
| | | // 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) == 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++; |
| | | } |
| | | }; |
| | | |
| | | //--------------------------------------------------------------------- |
| | | // Support Chinese |
| | | //--------------------------------------------------------------------- |
| | | function utf16To8(text) { |
| | | var result = ''; |
| | | var c; |
| | | for (var i = 0; i < text.length; i++) { |
| | | c = text.charCodeAt(i); |
| | | if (c >= 0x0001 && c <= 0x007F) { |
| | | result += text.charAt(i); |
| | | } else if (c > 0x07FF) { |
| | | result += String.fromCharCode(0xE0 | c >> 12 & 0x0F); |
| | | result += String.fromCharCode(0x80 | c >> 6 & 0x3F); |
| | | result += String.fromCharCode(0x80 | c >> 0 & 0x3F); |
| | | } else { |
| | | result += String.fromCharCode(0xC0 | c >> 6 & 0x1F); |
| | | result += String.fromCharCode(0x80 | c >> 0 & 0x3F); |
| | | } |
| | | } |
| | | return result; |
| | | } |
| | | |
| | | uQRCode = { |
| | | |
| | | errorCorrectLevel: QRErrorCorrectLevel, |
| | | |
| | | defaults: { |
| | | size: 354, |
| | | margin: 0, |
| | | backgroundColor: '#ffffff', |
| | | foregroundColor: '#000000', |
| | | fileType: 'png', // 'jpg', 'png' |
| | | errorCorrectLevel: QRErrorCorrectLevel.H, |
| | | typeNumber: -1 |
| | | }, |
| | | |
| | | make: function(options) { |
| | | return new Promise((reslove, reject) => { |
| | | var defaultOptions = { |
| | | canvasId: options.canvasId, |
| | | componentInstance: options.componentInstance, |
| | | text: options.text, |
| | | size: this.defaults.size, |
| | | margin: this.defaults.margin, |
| | | backgroundColor: this.defaults.backgroundColor, |
| | | foregroundColor: this.defaults.foregroundColor, |
| | | fileType: this.defaults.fileType, |
| | | errorCorrectLevel: this.defaults.errorCorrectLevel, |
| | | typeNumber: this.defaults.typeNumber |
| | | }; |
| | | if (options) { |
| | | for (var i in options) { |
| | | defaultOptions[i] = options[i]; |
| | | } |
| | | } |
| | | options = defaultOptions; |
| | | if (!options.canvasId) { |
| | | console.error('uQRCode: Please set canvasId!'); |
| | | return; |
| | | } |
| | | |
| | | function createCanvas() { |
| | | var qrcode = new QRCode(options.typeNumber, options.errorCorrectLevel); |
| | | qrcode.addData(utf16To8(options.text)); |
| | | qrcode.make(); |
| | | |
| | | var ctx = uni.createCanvasContext(options.canvasId, options.componentInstance); |
| | | ctx.setFillStyle(options.backgroundColor); |
| | | ctx.fillRect(0, 0, options.size, options.size); |
| | | |
| | | var tileW = (options.size - options.margin * 2) / qrcode.getModuleCount(); |
| | | var tileH = tileW; |
| | | |
| | | for (var row = 0; row < qrcode.getModuleCount(); row++) { |
| | | for (var col = 0; col < qrcode.getModuleCount(); col++) { |
| | | var style = qrcode.isDark(row, col) ? options.foregroundColor : options.backgroundColor; |
| | | ctx.setFillStyle(style); |
| | | var x = Math.round(col * tileW) + options.margin; |
| | | var y = Math.round(row * tileH) + options.margin; |
| | | var w = Math.ceil((col + 1) * tileW) - Math.floor(col * tileW); |
| | | var h = Math.ceil((row + 1) * tileW) - Math.floor(row * tileW); |
| | | ctx.fillRect(x, y, w, h); |
| | | } |
| | | } |
| | | |
| | | setTimeout(function() { |
| | | ctx.draw(false, (function() { |
| | | setTimeout(function() { |
| | | uni.canvasToTempFilePath({ |
| | | canvasId: options.canvasId, |
| | | fileType: options.fileType, |
| | | width: options.size, |
| | | height: options.size, |
| | | destWidth: options.size, |
| | | destHeight: options.size, |
| | | success: function(res) { |
| | | let resData; // 将统一为base64格式 |
| | | let tempFilePath = res.tempFilePath; // H5为base64,其他为相对路径 |
| | | |
| | | // #ifdef H5 |
| | | resData = tempFilePath; |
| | | options.success && options.success(resData); |
| | | reslove(resData); |
| | | // #endif |
| | | |
| | | // #ifdef APP-PLUS |
| | | const path = plus.io.convertLocalFileSystemURL(tempFilePath) // 绝对路径 |
| | | let fileReader = new plus.io.FileReader(); |
| | | fileReader.readAsDataURL(path); |
| | | fileReader.onloadend = res => { |
| | | resData = res.target.result; |
| | | options.success && options.success(resData); |
| | | reslove(resData); |
| | | }; |
| | | // #endif |
| | | |
| | | // #ifdef MP-WEIXIN || MP-QQ || MP-TOUTIAO |
| | | uni.getFileSystemManager().readFile({ |
| | | filePath: tempFilePath, |
| | | encoding: 'base64', |
| | | success: res => { |
| | | resData = 'data:image/png;base64,' + res.data; |
| | | options.success && options.success(resData); |
| | | reslove(resData); |
| | | } |
| | | }) |
| | | // #endif |
| | | |
| | | // #ifndef H5 || APP-PLUS || MP-WEIXIN || MP-QQ || MP-TOUTIAO |
| | | if (plus) { |
| | | const path = plus.io.convertLocalFileSystemURL(tempFilePath) // 绝对路径 |
| | | let fileReader = new plus.io.FileReader(); |
| | | fileReader.readAsDataURL(path); |
| | | fileReader.onloadend = res => { |
| | | resData = res.target.result; |
| | | options.success && options.success(resData); |
| | | reslove(resData); |
| | | }; |
| | | } else { |
| | | uni.request({ |
| | | url: tempFilePath, |
| | | method: 'GET', |
| | | responseType: 'arraybuffer', |
| | | success: res => { |
| | | resData = `data:image/png;base64,${uni.arrayBufferToBase64(res.data)}`; // 把arraybuffer转成base64 |
| | | options.success && options.success(resData); |
| | | reslove(resData); |
| | | } |
| | | }) |
| | | } |
| | | // #endif |
| | | }, |
| | | fail: function(error) { |
| | | options.fail && options.fail(error); |
| | | reject(error); |
| | | }, |
| | | complete: function(res) { |
| | | options.complete && options.complete(res); |
| | | } |
| | | }, options.componentInstance); |
| | | }, options.text.length + 100); |
| | | })()); |
| | | }, 150); |
| | | } |
| | | |
| | | createCanvas(); |
| | | }); |
| | | } |
| | | } |
| | | |
| | | })() |
| | | // uqrcode.js
|
| | | //---------------------------------------------------------------------
|
| | | // github https://github.com/Sansnn/uQRCode
|
| | | //---------------------------------------------------------------------
|
| | |
|
| | | let uQRCode = {};
|
| | |
|
| | | (function() {
|
| | | //---------------------------------------------------------------------
|
| | | // QRCode for JavaScript
|
| | | //
|
| | | // Copyright (c) 2009 Kazuhiko Arase
|
| | | //
|
| | | // URL: http://www.d-project.com/
|
| | | //
|
| | | // Licensed under the MIT license:
|
| | | // http://www.opensource.org/licenses/mit-license.php
|
| | | //
|
| | | // The word "QR Code" is registered trademark of |
| | | // DENSO WAVE INCORPORATED
|
| | | // http://www.denso-wave.com/qrcode/faqpatent-e.html
|
| | | //
|
| | | //---------------------------------------------------------------------
|
| | |
|
| | | //---------------------------------------------------------------------
|
| | | // QR8bitByte
|
| | | //---------------------------------------------------------------------
|
| | |
|
| | | function QR8bitByte(data) {
|
| | | this.mode = QRMode.MODE_8BIT_BYTE;
|
| | | this.data = data;
|
| | | }
|
| | |
|
| | | QR8bitByte.prototype = {
|
| | |
|
| | | getLength: function(buffer) {
|
| | | return this.data.length;
|
| | | },
|
| | |
|
| | | write: function(buffer) {
|
| | | for (var i = 0; i < this.data.length; i++) {
|
| | | // not JIS ...
|
| | | buffer.put(this.data.charCodeAt(i), 8);
|
| | | }
|
| | | }
|
| | | };
|
| | |
|
| | | //---------------------------------------------------------------------
|
| | | // QRCode
|
| | | //---------------------------------------------------------------------
|
| | |
|
| | | function QRCode(typeNumber, errorCorrectLevel) {
|
| | | this.typeNumber = typeNumber;
|
| | | this.errorCorrectLevel = errorCorrectLevel;
|
| | | this.modules = null;
|
| | | this.moduleCount = 0;
|
| | | this.dataCache = null;
|
| | | this.dataList = new Array();
|
| | | }
|
| | |
|
| | | QRCode.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() {
|
| | | // Calculate automatically typeNumber if provided is < 1
|
| | | if (this.typeNumber < 1) {
|
| | | var typeNumber = 1;
|
| | | for (typeNumber = 1; typeNumber < 40; typeNumber++) {
|
| | | var rsBlocks = QRRSBlock.getRSBlocks(typeNumber, this.errorCorrectLevel);
|
| | |
|
| | | var buffer = new QRBitBuffer();
|
| | | var totalDataCount = 0;
|
| | | for (var i = 0; i < rsBlocks.length; i++) {
|
| | | totalDataCount += rsBlocks[i].dataCount;
|
| | | }
|
| | |
|
| | | for (var i = 0; i < this.dataList.length; i++) {
|
| | | var data = this.dataList[i];
|
| | | buffer.put(data.mode, 4);
|
| | | buffer.put(data.getLength(), QRUtil.getLengthInBits(data.mode, typeNumber));
|
| | | data.write(buffer);
|
| | | }
|
| | | if (buffer.getLengthInBits() <= totalDataCount * 8)
|
| | | break;
|
| | | }
|
| | | this.typeNumber = typeNumber;
|
| | | }
|
| | | 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; //(col + row) % 3;
|
| | | }
|
| | | }
|
| | |
|
| | | 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 = QRCode.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);
|
| | |
|
| | | // 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
|
| | | 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;
|
| | | }
|
| | | }
|
| | |
|
| | | // fixed module
|
| | | 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;
|
| | | }
|
| | | }
|
| | | }
|
| | |
|
| | | }
|
| | |
|
| | | };
|
| | |
|
| | | QRCode.PAD0 = 0xEC;
|
| | | QRCode.PAD1 = 0x11;
|
| | |
|
| | | QRCode.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);
|
| | | }
|
| | |
|
| | | // calc num max data.
|
| | | 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 +
|
| | | ")");
|
| | | }
|
| | |
|
| | | // end code
|
| | | if (buffer.getLengthInBits() + 4 <= totalDataCount * 8) {
|
| | | buffer.put(0, 4);
|
| | | }
|
| | |
|
| | | // padding
|
| | | while (buffer.getLengthInBits() % 8 != 0) {
|
| | | buffer.putBit(false);
|
| | | }
|
| | |
|
| | | // padding
|
| | | while (true) {
|
| | |
|
| | | if (buffer.getLengthInBits() >= totalDataCount * 8) {
|
| | | break;
|
| | | }
|
| | | buffer.put(QRCode.PAD0, 8);
|
| | |
|
| | | if (buffer.getLengthInBits() >= totalDataCount * 8) {
|
| | | break;
|
| | | }
|
| | | buffer.put(QRCode.PAD1, 8);
|
| | | }
|
| | |
|
| | | return QRCode.createBytes(buffer, rsBlocks);
|
| | | }
|
| | |
|
| | | QRCode.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;
|
| | |
|
| | | }
|
| | |
|
| | | //---------------------------------------------------------------------
|
| | | // QRMode
|
| | | //---------------------------------------------------------------------
|
| | |
|
| | | var QRMode = {
|
| | | MODE_NUMBER: 1 << 0,
|
| | | MODE_ALPHA_NUM: 1 << 1,
|
| | | MODE_8BIT_BYTE: 1 << 2,
|
| | | MODE_KANJI: 1 << 3
|
| | | };
|
| | |
|
| | | //---------------------------------------------------------------------
|
| | | // QRErrorCorrectLevel
|
| | | //---------------------------------------------------------------------
|
| | |
|
| | | var QRErrorCorrectLevel = {
|
| | | L: 1,
|
| | | M: 0,
|
| | | Q: 3,
|
| | | H: 2
|
| | | };
|
| | |
|
| | | //---------------------------------------------------------------------
|
| | | // QRMaskPattern
|
| | | //---------------------------------------------------------------------
|
| | |
|
| | | var QRMaskPattern = {
|
| | | PATTERN000: 0,
|
| | | PATTERN001: 1,
|
| | | PATTERN010: 2,
|
| | | PATTERN011: 3,
|
| | | PATTERN100: 4,
|
| | | PATTERN101: 5,
|
| | | PATTERN110: 6,
|
| | | PATTERN111: 7
|
| | | };
|
| | |
|
| | | //---------------------------------------------------------------------
|
| | | // QRUtil
|
| | | //---------------------------------------------------------------------
|
| | |
|
| | | 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) {
|
| | |
|
| | | // 1 - 9
|
| | |
|
| | | switch (mode) {
|
| | | case QRMode.MODE_NUMBER:
|
| | | return 10;
|
| | | case QRMode.MODE_ALPHA_NUM:
|
| | | return 9;
|
| | | case QRMode.MODE_8BIT_BYTE:
|
| | | return 8;
|
| | | case QRMode.MODE_KANJI:
|
| | | return 8;
|
| | | default:
|
| | | throw new Error("mode:" + mode);
|
| | | }
|
| | |
|
| | | } else if (type < 27) {
|
| | |
|
| | | // 10 - 26
|
| | |
|
| | | switch (mode) {
|
| | | case QRMode.MODE_NUMBER:
|
| | | return 12;
|
| | | case QRMode.MODE_ALPHA_NUM:
|
| | | return 11;
|
| | | case QRMode.MODE_8BIT_BYTE:
|
| | | return 16;
|
| | | case QRMode.MODE_KANJI:
|
| | | return 10;
|
| | | default:
|
| | | throw new Error("mode:" + mode);
|
| | | }
|
| | |
|
| | | } else if (type < 41) {
|
| | |
|
| | | // 27 - 40
|
| | |
|
| | | switch (mode) {
|
| | | case QRMode.MODE_NUMBER:
|
| | | return 14;
|
| | | case QRMode.MODE_ALPHA_NUM:
|
| | | return 13;
|
| | | case QRMode.MODE_8BIT_BYTE:
|
| | | return 16;
|
| | | case QRMode.MODE_KANJI:
|
| | | return 12;
|
| | | default:
|
| | | throw new Error("mode:" + mode);
|
| | | }
|
| | |
|
| | | } else {
|
| | | throw new Error("type:" + type);
|
| | | }
|
| | | },
|
| | |
|
| | | getLostPoint: function(qrCode) {
|
| | |
|
| | | var moduleCount = qrCode.getModuleCount();
|
| | |
|
| | | var lostPoint = 0;
|
| | |
|
| | | // LEVEL1
|
| | |
|
| | | for (var row = 0; row < moduleCount; row++) {
|
| | |
|
| | | for (var col = 0; col < moduleCount; col++) {
|
| | |
|
| | | var sameCount = 0;
|
| | | var dark = qrCode.isDark(row, col);
|
| | |
|
| | | for (var r = -1; r <= 1; r++) {
|
| | |
|
| | | if (row + r < 0 || moduleCount <= row + r) {
|
| | | continue;
|
| | | }
|
| | |
|
| | | for (var c = -1; c <= 1; c++) {
|
| | |
|
| | | if (col + c < 0 || moduleCount <= col + c) {
|
| | | continue;
|
| | | }
|
| | |
|
| | | if (r == 0 && c == 0) {
|
| | | continue;
|
| | | }
|
| | |
|
| | | if (dark == qrCode.isDark(row + r, col + c)) {
|
| | | sameCount++;
|
| | | }
|
| | | }
|
| | | }
|
| | |
|
| | | if (sameCount > 5) {
|
| | | lostPoint += (3 + sameCount - 5);
|
| | | }
|
| | | }
|
| | | }
|
| | |
|
| | | // LEVEL2
|
| | |
|
| | | for (var row = 0; row < moduleCount - 1; row++) {
|
| | | for (var col = 0; col < moduleCount - 1; col++) {
|
| | | var count = 0;
|
| | | if (qrCode.isDark(row, col)) count++;
|
| | | if (qrCode.isDark(row + 1, col)) count++;
|
| | | if (qrCode.isDark(row, col + 1)) count++;
|
| | | if (qrCode.isDark(row + 1, col + 1)) count++;
|
| | | if (count == 0 || count == 4) {
|
| | | lostPoint += 3;
|
| | | }
|
| | | }
|
| | | }
|
| | |
|
| | | // LEVEL3
|
| | |
|
| | | for (var row = 0; row < moduleCount; row++) {
|
| | | for (var col = 0; col < moduleCount - 6; col++) {
|
| | | if (qrCode.isDark(row, col) &&
|
| | | !qrCode.isDark(row, col + 1) &&
|
| | | qrCode.isDark(row, col + 2) &&
|
| | | qrCode.isDark(row, col + 3) &&
|
| | | qrCode.isDark(row, col + 4) &&
|
| | | !qrCode.isDark(row, col + 5) &&
|
| | | qrCode.isDark(row, col + 6)) {
|
| | | lostPoint += 40;
|
| | | }
|
| | | }
|
| | | }
|
| | |
|
| | | for (var col = 0; col < moduleCount; col++) {
|
| | | for (var row = 0; row < moduleCount - 6; row++) {
|
| | | if (qrCode.isDark(row, col) &&
|
| | | !qrCode.isDark(row + 1, col) &&
|
| | | qrCode.isDark(row + 2, col) &&
|
| | | qrCode.isDark(row + 3, col) &&
|
| | | qrCode.isDark(row + 4, col) &&
|
| | | !qrCode.isDark(row + 5, col) &&
|
| | | qrCode.isDark(row + 6, col)) {
|
| | | lostPoint += 40;
|
| | | }
|
| | | }
|
| | | }
|
| | |
|
| | | // LEVEL4
|
| | |
|
| | | var darkCount = 0;
|
| | |
|
| | | for (var col = 0; col < moduleCount; col++) {
|
| | | for (var row = 0; row < moduleCount; row++) {
|
| | | if (qrCode.isDark(row, col)) {
|
| | | darkCount++;
|
| | | }
|
| | | }
|
| | | }
|
| | |
|
| | | var ratio = Math.abs(100 * darkCount / moduleCount / moduleCount - 50) / 5;
|
| | | lostPoint += ratio * 10;
|
| | |
|
| | | return lostPoint;
|
| | | }
|
| | |
|
| | | };
|
| | |
|
| | |
|
| | | //---------------------------------------------------------------------
|
| | | // QRMath
|
| | | //---------------------------------------------------------------------
|
| | |
|
| | | var QRMath = {
|
| | |
|
| | | glog: function(n) {
|
| | |
|
| | | if (n < 1) {
|
| | | throw new Error("glog(" + n + ")");
|
| | | }
|
| | |
|
| | | return QRMath.LOG_TABLE[n];
|
| | | },
|
| | |
|
| | | gexp: function(n) {
|
| | |
|
| | | while (n < 0) {
|
| | | n += 255;
|
| | | }
|
| | |
|
| | | while (n >= 256) {
|
| | | n -= 255;
|
| | | }
|
| | |
|
| | | return QRMath.EXP_TABLE[n];
|
| | | },
|
| | |
|
| | | EXP_TABLE: new Array(256),
|
| | |
|
| | | LOG_TABLE: new Array(256)
|
| | |
|
| | | };
|
| | |
|
| | | for (var i = 0; i < 8; i++) {
|
| | | QRMath.EXP_TABLE[i] = 1 << i;
|
| | | }
|
| | | for (var i = 8; i < 256; i++) {
|
| | | QRMath.EXP_TABLE[i] = QRMath.EXP_TABLE[i - 4] ^
|
| | | QRMath.EXP_TABLE[i - 5] ^
|
| | | QRMath.EXP_TABLE[i - 6] ^
|
| | | QRMath.EXP_TABLE[i - 8];
|
| | | }
|
| | | for (var i = 0; i < 255; i++) {
|
| | | QRMath.LOG_TABLE[QRMath.EXP_TABLE[i]] = i;
|
| | | }
|
| | |
|
| | | //---------------------------------------------------------------------
|
| | | // QRPolynomial
|
| | | //---------------------------------------------------------------------
|
| | |
|
| | | 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);
|
| | | }
|
| | |
|
| | | // recursive call
|
| | | return new QRPolynomial(num, 0).mod(e);
|
| | | }
|
| | | };
|
| | |
|
| | | //---------------------------------------------------------------------
|
| | | // QRRSBlock
|
| | | //---------------------------------------------------------------------
|
| | |
|
| | | function QRRSBlock(totalCount, dataCount) {
|
| | | this.totalCount = totalCount;
|
| | | this.dataCount = dataCount;
|
| | | }
|
| | |
|
| | | QRRSBlock.RS_BLOCK_TABLE = [
|
| | |
|
| | | // L
|
| | | // M
|
| | | // Q
|
| | | // H
|
| | |
|
| | | // 1
|
| | | [1, 26, 19],
|
| | | [1, 26, 16],
|
| | | [1, 26, 13],
|
| | | [1, 26, 9],
|
| | |
|
| | | // 2
|
| | | [1, 44, 34],
|
| | | [1, 44, 28],
|
| | | [1, 44, 22],
|
| | | [1, 44, 16],
|
| | |
|
| | | // 3
|
| | | [1, 70, 55],
|
| | | [1, 70, 44],
|
| | | [2, 35, 17],
|
| | | [2, 35, 13],
|
| | |
|
| | | // 4 |
| | | [1, 100, 80],
|
| | | [2, 50, 32],
|
| | | [2, 50, 24],
|
| | | [4, 25, 9],
|
| | |
|
| | | // 5
|
| | | [1, 134, 108],
|
| | | [2, 67, 43],
|
| | | [2, 33, 15, 2, 34, 16],
|
| | | [2, 33, 11, 2, 34, 12],
|
| | |
|
| | | // 6
|
| | | [2, 86, 68],
|
| | | [4, 43, 27],
|
| | | [4, 43, 19],
|
| | | [4, 43, 15],
|
| | |
|
| | | // 7 |
| | | [2, 98, 78],
|
| | | [4, 49, 31],
|
| | | [2, 32, 14, 4, 33, 15],
|
| | | [4, 39, 13, 1, 40, 14],
|
| | |
|
| | | // 8
|
| | | [2, 121, 97],
|
| | | [2, 60, 38, 2, 61, 39],
|
| | | [4, 40, 18, 2, 41, 19],
|
| | | [4, 40, 14, 2, 41, 15],
|
| | |
|
| | | // 9
|
| | | [2, 146, 116],
|
| | | [3, 58, 36, 2, 59, 37],
|
| | | [4, 36, 16, 4, 37, 17],
|
| | | [4, 36, 12, 4, 37, 13],
|
| | |
|
| | | // 10 |
| | | [2, 86, 68, 2, 87, 69],
|
| | | [4, 69, 43, 1, 70, 44],
|
| | | [6, 43, 19, 2, 44, 20],
|
| | | [6, 43, 15, 2, 44, 16],
|
| | |
|
| | | // 11
|
| | | [4, 101, 81],
|
| | | [1, 80, 50, 4, 81, 51],
|
| | | [4, 50, 22, 4, 51, 23],
|
| | | [3, 36, 12, 8, 37, 13],
|
| | |
|
| | | // 12
|
| | | [2, 116, 92, 2, 117, 93],
|
| | | [6, 58, 36, 2, 59, 37],
|
| | | [4, 46, 20, 6, 47, 21],
|
| | | [7, 42, 14, 4, 43, 15],
|
| | |
|
| | | // 13
|
| | | [4, 133, 107],
|
| | | [8, 59, 37, 1, 60, 38],
|
| | | [8, 44, 20, 4, 45, 21],
|
| | | [12, 33, 11, 4, 34, 12],
|
| | |
|
| | | // 14
|
| | | [3, 145, 115, 1, 146, 116],
|
| | | [4, 64, 40, 5, 65, 41],
|
| | | [11, 36, 16, 5, 37, 17],
|
| | | [11, 36, 12, 5, 37, 13],
|
| | |
|
| | | // 15
|
| | | [5, 109, 87, 1, 110, 88],
|
| | | [5, 65, 41, 5, 66, 42],
|
| | | [5, 54, 24, 7, 55, 25],
|
| | | [11, 36, 12],
|
| | |
|
| | | // 16
|
| | | [5, 122, 98, 1, 123, 99],
|
| | | [7, 73, 45, 3, 74, 46],
|
| | | [15, 43, 19, 2, 44, 20],
|
| | | [3, 45, 15, 13, 46, 16],
|
| | |
|
| | | // 17
|
| | | [1, 135, 107, 5, 136, 108],
|
| | | [10, 74, 46, 1, 75, 47],
|
| | | [1, 50, 22, 15, 51, 23],
|
| | | [2, 42, 14, 17, 43, 15],
|
| | |
|
| | | // 18
|
| | | [5, 150, 120, 1, 151, 121],
|
| | | [9, 69, 43, 4, 70, 44],
|
| | | [17, 50, 22, 1, 51, 23],
|
| | | [2, 42, 14, 19, 43, 15],
|
| | |
|
| | | // 19
|
| | | [3, 141, 113, 4, 142, 114],
|
| | | [3, 70, 44, 11, 71, 45],
|
| | | [17, 47, 21, 4, 48, 22],
|
| | | [9, 39, 13, 16, 40, 14],
|
| | |
|
| | | // 20
|
| | | [3, 135, 107, 5, 136, 108],
|
| | | [3, 67, 41, 13, 68, 42],
|
| | | [15, 54, 24, 5, 55, 25],
|
| | | [15, 43, 15, 10, 44, 16],
|
| | |
|
| | | // 21
|
| | | [4, 144, 116, 4, 145, 117],
|
| | | [17, 68, 42],
|
| | | [17, 50, 22, 6, 51, 23],
|
| | | [19, 46, 16, 6, 47, 17],
|
| | |
|
| | | // 22
|
| | | [2, 139, 111, 7, 140, 112],
|
| | | [17, 74, 46],
|
| | | [7, 54, 24, 16, 55, 25],
|
| | | [34, 37, 13],
|
| | |
|
| | | // 23
|
| | | [4, 151, 121, 5, 152, 122],
|
| | | [4, 75, 47, 14, 76, 48],
|
| | | [11, 54, 24, 14, 55, 25],
|
| | | [16, 45, 15, 14, 46, 16],
|
| | |
|
| | | // 24
|
| | | [6, 147, 117, 4, 148, 118],
|
| | | [6, 73, 45, 14, 74, 46],
|
| | | [11, 54, 24, 16, 55, 25],
|
| | | [30, 46, 16, 2, 47, 17],
|
| | |
|
| | | // 25
|
| | | [8, 132, 106, 4, 133, 107],
|
| | | [8, 75, 47, 13, 76, 48],
|
| | | [7, 54, 24, 22, 55, 25],
|
| | | [22, 45, 15, 13, 46, 16],
|
| | |
|
| | | // 26
|
| | | [10, 142, 114, 2, 143, 115],
|
| | | [19, 74, 46, 4, 75, 47],
|
| | | [28, 50, 22, 6, 51, 23],
|
| | | [33, 46, 16, 4, 47, 17],
|
| | |
|
| | | // 27
|
| | | [8, 152, 122, 4, 153, 123],
|
| | | [22, 73, 45, 3, 74, 46],
|
| | | [8, 53, 23, 26, 54, 24],
|
| | | [12, 45, 15, 28, 46, 16],
|
| | |
|
| | | // 28
|
| | | [3, 147, 117, 10, 148, 118],
|
| | | [3, 73, 45, 23, 74, 46],
|
| | | [4, 54, 24, 31, 55, 25],
|
| | | [11, 45, 15, 31, 46, 16],
|
| | |
|
| | | // 29
|
| | | [7, 146, 116, 7, 147, 117],
|
| | | [21, 73, 45, 7, 74, 46],
|
| | | [1, 53, 23, 37, 54, 24],
|
| | | [19, 45, 15, 26, 46, 16],
|
| | |
|
| | | // 30
|
| | | [5, 145, 115, 10, 146, 116],
|
| | | [19, 75, 47, 10, 76, 48],
|
| | | [15, 54, 24, 25, 55, 25],
|
| | | [23, 45, 15, 25, 46, 16],
|
| | |
|
| | | // 31
|
| | | [13, 145, 115, 3, 146, 116],
|
| | | [2, 74, 46, 29, 75, 47],
|
| | | [42, 54, 24, 1, 55, 25],
|
| | | [23, 45, 15, 28, 46, 16],
|
| | |
|
| | | // 32
|
| | | [17, 145, 115],
|
| | | [10, 74, 46, 23, 75, 47],
|
| | | [10, 54, 24, 35, 55, 25],
|
| | | [19, 45, 15, 35, 46, 16],
|
| | |
|
| | | // 33
|
| | | [17, 145, 115, 1, 146, 116],
|
| | | [14, 74, 46, 21, 75, 47],
|
| | | [29, 54, 24, 19, 55, 25],
|
| | | [11, 45, 15, 46, 46, 16],
|
| | |
|
| | | // 34
|
| | | [13, 145, 115, 6, 146, 116],
|
| | | [14, 74, 46, 23, 75, 47],
|
| | | [44, 54, 24, 7, 55, 25],
|
| | | [59, 46, 16, 1, 47, 17],
|
| | |
|
| | | // 35
|
| | | [12, 151, 121, 7, 152, 122],
|
| | | [12, 75, 47, 26, 76, 48],
|
| | | [39, 54, 24, 14, 55, 25],
|
| | | [22, 45, 15, 41, 46, 16],
|
| | |
|
| | | // 36
|
| | | [6, 151, 121, 14, 152, 122],
|
| | | [6, 75, 47, 34, 76, 48],
|
| | | [46, 54, 24, 10, 55, 25],
|
| | | [2, 45, 15, 64, 46, 16],
|
| | |
|
| | | // 37
|
| | | [17, 152, 122, 4, 153, 123],
|
| | | [29, 74, 46, 14, 75, 47],
|
| | | [49, 54, 24, 10, 55, 25],
|
| | | [24, 45, 15, 46, 46, 16],
|
| | |
|
| | | // 38
|
| | | [4, 152, 122, 18, 153, 123],
|
| | | [13, 74, 46, 32, 75, 47],
|
| | | [48, 54, 24, 14, 55, 25],
|
| | | [42, 45, 15, 32, 46, 16],
|
| | |
|
| | | // 39
|
| | | [20, 147, 117, 4, 148, 118],
|
| | | [40, 75, 47, 7, 76, 48],
|
| | | [43, 54, 24, 22, 55, 25],
|
| | | [10, 45, 15, 67, 46, 16],
|
| | |
|
| | | // 40
|
| | | [19, 148, 118, 6, 149, 119],
|
| | | [18, 75, 47, 31, 76, 48],
|
| | | [34, 54, 24, 34, 55, 25],
|
| | | [20, 45, 15, 61, 46, 16]
|
| | | ];
|
| | |
|
| | | 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 = new Array();
|
| | |
|
| | | for (var i = 0; i < length; i++) {
|
| | |
|
| | | var count = rsBlock[i * 3 + 0];
|
| | | var totalCount = rsBlock[i * 3 + 1];
|
| | | var dataCount = rsBlock[i * 3 + 2];
|
| | |
|
| | | for (var j = 0; j < count; j++) {
|
| | | list.push(new QRRSBlock(totalCount, dataCount));
|
| | | }
|
| | | }
|
| | |
|
| | | return list;
|
| | | }
|
| | |
|
| | | 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;
|
| | | }
|
| | | }
|
| | |
|
| | | //---------------------------------------------------------------------
|
| | | // 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) == 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++;
|
| | | }
|
| | | };
|
| | |
|
| | | //---------------------------------------------------------------------
|
| | | // Support Chinese
|
| | | //---------------------------------------------------------------------
|
| | | function utf16To8(text) {
|
| | | var result = '';
|
| | | var c;
|
| | | for (var i = 0; i < text.length; i++) {
|
| | | c = text.charCodeAt(i);
|
| | | if (c >= 0x0001 && c <= 0x007F) {
|
| | | result += text.charAt(i);
|
| | | } else if (c > 0x07FF) {
|
| | | result += String.fromCharCode(0xE0 | c >> 12 & 0x0F);
|
| | | result += String.fromCharCode(0x80 | c >> 6 & 0x3F);
|
| | | result += String.fromCharCode(0x80 | c >> 0 & 0x3F);
|
| | | } else {
|
| | | result += String.fromCharCode(0xC0 | c >> 6 & 0x1F);
|
| | | result += String.fromCharCode(0x80 | c >> 0 & 0x3F);
|
| | | }
|
| | | }
|
| | | return result;
|
| | | }
|
| | |
|
| | | uQRCode = {
|
| | |
|
| | | errorCorrectLevel: QRErrorCorrectLevel,
|
| | |
|
| | | defaults: {
|
| | | size: 354,
|
| | | margin: 0,
|
| | | backgroundColor: '#ffffff',
|
| | | foregroundColor: '#000000',
|
| | | fileType: 'png', // 'jpg', 'png'
|
| | | errorCorrectLevel: QRErrorCorrectLevel.H,
|
| | | typeNumber: -1
|
| | | },
|
| | |
|
| | | make: function(options) {
|
| | | return new Promise((reslove, reject) => {
|
| | | var defaultOptions = {
|
| | | canvasId: options.canvasId,
|
| | | componentInstance: options.componentInstance,
|
| | | text: options.text,
|
| | | size: this.defaults.size,
|
| | | margin: this.defaults.margin,
|
| | | backgroundColor: this.defaults.backgroundColor,
|
| | | foregroundColor: this.defaults.foregroundColor,
|
| | | fileType: this.defaults.fileType,
|
| | | errorCorrectLevel: this.defaults.errorCorrectLevel,
|
| | | typeNumber: this.defaults.typeNumber
|
| | | };
|
| | | if (options) {
|
| | | for (var i in options) {
|
| | | defaultOptions[i] = options[i];
|
| | | }
|
| | | }
|
| | | options = defaultOptions;
|
| | | if (!options.canvasId) {
|
| | | console.error('uQRCode: Please set canvasId!');
|
| | | return;
|
| | | }
|
| | |
|
| | | function createCanvas() {
|
| | | var qrcode = new QRCode(options.typeNumber, options.errorCorrectLevel);
|
| | | qrcode.addData(utf16To8(options.text));
|
| | | qrcode.make();
|
| | |
|
| | | var ctx = uni.createCanvasContext(options.canvasId, options.componentInstance);
|
| | | ctx.setFillStyle(options.backgroundColor);
|
| | | ctx.fillRect(0, 0, options.size, options.size);
|
| | |
|
| | | var tileW = (options.size - options.margin * 2) / qrcode.getModuleCount();
|
| | | var tileH = tileW;
|
| | |
|
| | | for (var row = 0; row < qrcode.getModuleCount(); row++) {
|
| | | for (var col = 0; col < qrcode.getModuleCount(); col++) {
|
| | | var style = qrcode.isDark(row, col) ? options.foregroundColor : options.backgroundColor;
|
| | | ctx.setFillStyle(style);
|
| | | var x = Math.round(col * tileW) + options.margin;
|
| | | var y = Math.round(row * tileH) + options.margin;
|
| | | var w = Math.ceil((col + 1) * tileW) - Math.floor(col * tileW);
|
| | | var h = Math.ceil((row + 1) * tileW) - Math.floor(row * tileW);
|
| | | ctx.fillRect(x, y, w, h);
|
| | | }
|
| | | }
|
| | |
|
| | | setTimeout(function() {
|
| | | ctx.draw(false, (function() {
|
| | | setTimeout(function() {
|
| | | uni.canvasToTempFilePath({
|
| | | canvasId: options.canvasId,
|
| | | fileType: options.fileType,
|
| | | width: options.size,
|
| | | height: options.size,
|
| | | destWidth: options.size,
|
| | | destHeight: options.size,
|
| | | success: function(res) {
|
| | | let resData; // 将统一为base64格式
|
| | | let tempFilePath = res.tempFilePath; // H5为base64,其他为相对路径
|
| | |
|
| | | // #ifdef H5
|
| | | resData = tempFilePath;
|
| | | options.success && options.success(resData);
|
| | | reslove(resData);
|
| | | // #endif
|
| | |
|
| | | // #ifdef APP-PLUS
|
| | | const path = plus.io.convertLocalFileSystemURL(tempFilePath) // 绝对路径
|
| | | let fileReader = new plus.io.FileReader();
|
| | | fileReader.readAsDataURL(path);
|
| | | fileReader.onloadend = res => {
|
| | | resData = res.target.result;
|
| | | options.success && options.success(resData);
|
| | | reslove(resData);
|
| | | };
|
| | | // #endif
|
| | |
|
| | | // #ifdef MP-WEIXIN || MP-QQ || MP-TOUTIAO
|
| | | uni.getFileSystemManager().readFile({
|
| | | filePath: tempFilePath,
|
| | | encoding: 'base64',
|
| | | success: res => {
|
| | | resData = 'data:image/png;base64,' + res.data;
|
| | | options.success && options.success(resData);
|
| | | reslove(resData);
|
| | | }
|
| | | })
|
| | | // #endif
|
| | |
|
| | | // #ifndef H5 || APP-PLUS || MP-WEIXIN || MP-QQ || MP-TOUTIAO
|
| | | if (plus) {
|
| | | const path = plus.io.convertLocalFileSystemURL(tempFilePath) // 绝对路径
|
| | | let fileReader = new plus.io.FileReader();
|
| | | fileReader.readAsDataURL(path);
|
| | | fileReader.onloadend = res => {
|
| | | resData = res.target.result;
|
| | | options.success && options.success(resData);
|
| | | reslove(resData);
|
| | | };
|
| | | } else {
|
| | | uni.request({
|
| | | url: tempFilePath,
|
| | | method: 'GET',
|
| | | responseType: 'arraybuffer',
|
| | | success: res => {
|
| | | resData = `data:image/png;base64,${uni.arrayBufferToBase64(res.data)}`; // 把arraybuffer转成base64
|
| | | options.success && options.success(resData);
|
| | | reslove(resData);
|
| | | }
|
| | | })
|
| | | }
|
| | | // #endif
|
| | | },
|
| | | fail: function(error) {
|
| | | options.fail && options.fail(error);
|
| | | reject(error);
|
| | | },
|
| | | complete: function(res) {
|
| | | options.complete && options.complete(res);
|
| | | }
|
| | | }, options.componentInstance);
|
| | | }, options.text.length + 100);
|
| | | })());
|
| | | }, 150);
|
| | | }
|
| | |
|
| | | createCanvas();
|
| | | });
|
| | | }
|
| | | }
|
| | |
|
| | | })()
|
| | | export default uQRCode |