From 3e3513f746a0a51083f8e3e2124756d1a980d1cc Mon Sep 17 00:00:00 2001 From: Marijn Besseling Date: Wed, 10 Sep 2025 21:22:27 +0200 Subject: js format --- Blog/wwwroot/qrcode.js | 729 ++++++++++++++++++++++++++++++++++++++----------- 1 file changed, 574 insertions(+), 155 deletions(-) (limited to 'Blog/wwwroot') diff --git a/Blog/wwwroot/qrcode.js b/Blog/wwwroot/qrcode.js index bad8b20..65ff165 100644 --- a/Blog/wwwroot/qrcode.js +++ b/Blog/wwwroot/qrcode.js @@ -8,7 +8,7 @@ * @see http://www.d-project.com/ * @see http://jeromeetienne.github.com/jquery-qrcode/ */ -var QRCode; +let QRCode; (function () { //--------------------------------------------------------------------- @@ -32,9 +32,10 @@ var QRCode; this.parsedData = []; // Added to support UTF-8 Characters - for (var i = 0, l = this.data.length; i < l; i++) { - var byteArray = []; - var code = this.data.charCodeAt(i); + const l = this.data.length; + for (let i = 0; i < l; i++) { + const byteArray = []; + const code = this.data.charCodeAt(i); if (code > 0x10000) { byteArray[0] = 0xF0 | ((code & 0x1C0000) >>> 18); @@ -57,7 +58,7 @@ var QRCode; this.parsedData = Array.prototype.concat.apply([], this.parsedData); - if (this.parsedData.length != this.data.length) { + if (this.parsedData.length !== this.data.length) { this.parsedData.unshift(191); this.parsedData.unshift(187); this.parsedData.unshift(239); @@ -65,11 +66,12 @@ var QRCode; } QR8bitByte.prototype = { - getLength: function (buffer) { + getLength: function (_) { return this.parsedData.length; }, write: function (buffer) { - for (var i = 0, l = this.parsedData.length; i < l; i++) { + const l = this.parsedData.length; + for (let i = 0; i < l; i++) { buffer.put(this.parsedData[i], 8); } } @@ -85,60 +87,175 @@ var QRCode; } QRCodeModel.prototype = { - addData: function (data) { var newData = new QR8bitByte(data); this.dataList.push(newData); this.dataCache = null; }, isDark: function (row, col) { - if (row < 0 || this.moduleCount <= row || col < 0 || this.moduleCount <= col) { throw new Error(row + "," + col); } + addData: function (data) { + const newData = new QR8bitByte(data); + this.dataList.push(newData); + this.dataCache = null; + }, isDark: function (row, col) { + if (row < 0 || this.moduleCount <= row || col < 0 || this.moduleCount <= col) { + throw new Error(row + "," + col); + } return this.modules[row][col]; - }, getModuleCount: function () { return this.moduleCount; }, make: function () { this.makeImpl(false, this.getBestMaskPattern()); }, makeImpl: function (test, maskPattern) { - this.moduleCount = this.typeNumber * 4 + 17; this.modules = new Array(this.moduleCount); for (var row = 0; row < this.moduleCount; row++) { this.modules[row] = new Array(this.moduleCount); for (var col = 0; col < this.moduleCount; col++) { this.modules[row][col] = null; } } - this.setupPositionProbePattern(0, 0); this.setupPositionProbePattern(this.moduleCount - 7, 0); this.setupPositionProbePattern(0, this.moduleCount - 7); this.setupPositionAdjustPattern(); this.setupTimingPattern(); this.setupTypeInfo(test, maskPattern); if (this.typeNumber >= 7) { this.setupTypeNumber(test); } - if (this.dataCache == null) { this.dataCache = QRCodeModel.createData(this.typeNumber, this.errorCorrectLevel, this.dataList); } + }, getModuleCount: function () { + return this.moduleCount; + }, make: function () { + this.makeImpl(false, this.getBestMaskPattern()); + }, makeImpl: function (test, maskPattern) { + this.moduleCount = this.typeNumber * 4 + 17; + this.modules = new Array(this.moduleCount); + for (let row = 0; row < this.moduleCount; row++) { + this.modules[row] = new Array(this.moduleCount); + for (let col = 0; col < this.moduleCount; col++) { + this.modules[row][col] = null; + } + } + this.setupPositionProbePattern(0, 0); + this.setupPositionProbePattern(this.moduleCount - 7, 0); + this.setupPositionProbePattern(0, this.moduleCount - 7); + this.setupPositionAdjustPattern(); + this.setupTimingPattern(); + this.setupTypeInfo(test, maskPattern); + if (this.typeNumber >= 7) { + this.setupTypeNumber(test); + } + if (this.dataCache == null) { + this.dataCache = QRCodeModel.createData(this.typeNumber, this.errorCorrectLevel, this.dataList); + } this.mapData(this.dataCache, maskPattern); - }, setupPositionProbePattern: function (row, col) { for (var r = -1; r <= 7; r++) { if (row + r <= -1 || this.moduleCount <= row + r) continue; for (var c = -1; c <= 7; c++) { if (col + c <= -1 || this.moduleCount <= col + c) continue; if ((0 <= r && r <= 6 && (c == 0 || c == 6)) || (0 <= c && c <= 6 && (r == 0 || r == 6)) || (2 <= r && r <= 4 && 2 <= c && c <= 4)) { this.modules[row + r][col + c] = true; } else { this.modules[row + r][col + c] = false; } } } }, getBestMaskPattern: function () { - var minLostPoint = 0; var pattern = 0; for (var i = 0; i < 8; i++) { this.makeImpl(true, i); var lostPoint = QRUtil.getLostPoint(this); if (i == 0 || minLostPoint > lostPoint) { minLostPoint = lostPoint; pattern = i; } } + }, setupPositionProbePattern: function (row, col) { + for (let r = -1; r <= 7; r++) { + if (row + r <= -1 || this.moduleCount <= row + r) continue; + for (let c = -1; c <= 7; c++) { + if (col + c <= -1 || this.moduleCount <= col + c) continue; + this.modules[row + r][col + c] = (0 <= r && r <= 6 && (c === 0 || c === 6)) || (0 <= c && c <= 6 && (r === 0 || r === 6)) || (2 <= r && r <= 4 && 2 <= c && c <= 4); + } + } + }, getBestMaskPattern: function () { + let minLostPoint = 0; + let pattern = 0; + for (let i = 0; i < 8; i++) { + this.makeImpl(true, i); + const 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 (let 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); + for (let 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; } } } + const pos = QRUtil.getPatternPosition(this.typeNumber); + for (let i = 0; i < pos.length; i++) { + for (let j = 0; j < pos.length; j++) { + const row = pos[i]; + const col = pos[j]; + if (this.modules[row][col] != null) { + continue; + } + for (let r = -2; r <= 2; r++) { + for (let c = -2; c <= 2; c++) { + this.modules[row + r][col + c] = r === -2 || r === 2 || c === -2 || c === 2 || (r === 0 && c === 0); + } + } } } }, 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; } + const bits = QRUtil.getBCHTypeNumber(this.typeNumber); + for (var i = 0; i < 18; i++) { + var mod = (!test && ((bits >> i) & 1) === 1); + this.modules[Math.floor(i / 3)][i % 3 + this.moduleCount - 8 - 3] = mod; + } + for (var i = 0; i < 18; i++) { + var mod = (!test && ((bits >> i) & 1) === 1); + this.modules[i % 3 + this.moduleCount - 8 - 3][Math.floor(i / 3)] = mod; + } }, setupTypeInfo: function (test, maskPattern) { - var data = (this.errorCorrectLevel << 3) | maskPattern; var bits = QRUtil.getBCHTypeInfo(data); for (var i = 0; i < 15; i++) { var mod = (!test && ((bits >> i) & 1) == 1); if (i < 6) { this.modules[i][8] = mod; } else if (i < 8) { this.modules[i + 1][8] = mod; } else { this.modules[this.moduleCount - 15 + i][8] = mod; } } - for (var i = 0; i < 15; i++) { var mod = (!test && ((bits >> i) & 1) == 1); if (i < 8) { this.modules[8][this.moduleCount - i - 1] = mod; } else if (i < 9) { this.modules[8][15 - i - 1 + 1] = mod; } else { this.modules[8][15 - i - 1] = mod; } } + const data = (this.errorCorrectLevel << 3) | maskPattern; + const bits = QRUtil.getBCHTypeInfo(data); + for (var i = 0; i < 15; i++) { + var mod = (!test && ((bits >> i) & 1) === 1); + if (i < 6) { + this.modules[i][8] = mod; + } else if (i < 8) { + this.modules[i + 1][8] = mod; + } else { + this.modules[this.moduleCount - 15 + i][8] = mod; + } + } + for (var i = 0; i < 15; i++) { + var mod = (!test && ((bits >> i) & 1) === 1); + if (i < 8) { + this.modules[8][this.moduleCount - i - 1] = mod; + } else if (i < 9) { + this.modules[8][15 - i - 1 + 1] = mod; + } else { + this.modules[8][15 - i - 1] = mod; + } + } this.modules[this.moduleCount - 8][8] = (!test); }, mapData: function (data, maskPattern) { - var inc = -1; var row = this.moduleCount - 1; var bitIndex = 7; var byteIndex = 0; for (var col = this.moduleCount - 1; col > 0; col -= 2) { - if (col == 6) col--; while (true) { - for (var c = 0; c < 2; c++) { + let inc = -1; + let row = this.moduleCount - 1; + let bitIndex = 7; + let byteIndex = 0; + for (let col = this.moduleCount - 1; col > 0; col -= 2) { + if (col === 6) col--; + while (true) { + for (let 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; } + let dark = false; + if (byteIndex < data.length) { + dark = (((data[byteIndex] >>> bitIndex) & 1) === 1); + } + const 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; } + row += inc; + if (row < 0 || this.moduleCount <= row) { + row -= inc; + inc = -inc; + break; + } } } } - }; QRCodeModel.PAD0 = 0xEC; QRCodeModel.PAD1 = 0x11; QRCodeModel.createData = function (typeNumber, errorCorrectLevel, dataList) { - var rsBlocks = QRRSBlock.getRSBlocks(typeNumber, errorCorrectLevel); var buffer = new QRBitBuffer(); for (var i = 0; i < dataList.length; i++) { var data = dataList[i]; buffer.put(data.mode, 4); buffer.put(data.getLength(), QRUtil.getLengthInBits(data.mode, typeNumber)); data.write(buffer); } - var totalDataCount = 0; for (var i = 0; i < rsBlocks.length; i++) { totalDataCount += rsBlocks[i].dataCount; } + }; + QRCodeModel.PAD0 = 0xEC; + QRCodeModel.PAD1 = 0x11; + QRCodeModel.createData = function (typeNumber, errorCorrectLevel, dataList) { + const rsBlocks = QRRSBlock.getRSBlocks(typeNumber, errorCorrectLevel); + const buffer = new QRBitBuffer(); + for (var i = 0; i < dataList.length; i++) { + const data = dataList[i]; + buffer.put(data.mode, 4); + buffer.put(data.getLength(), QRUtil.getLengthInBits(data.mode, typeNumber)); + data.write(buffer); + } + let 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() @@ -146,133 +263,434 @@ var QRCode; + totalDataCount * 8 + ")"); } - if (buffer.getLengthInBits() + 4 <= totalDataCount * 8) { buffer.put(0, 4); } - while (buffer.getLengthInBits() % 8 != 0) { buffer.putBit(false); } + if (buffer.getLengthInBits() + 4 <= totalDataCount * 8) { + buffer.put(0, 4); + } + while (buffer.getLengthInBits() % 8 !== 0) { + buffer.putBit(false); + } while (true) { - if (buffer.getLengthInBits() >= totalDataCount * 8) { break; } - buffer.put(QRCodeModel.PAD0, 8); if (buffer.getLengthInBits() >= totalDataCount * 8) { break; } + if (buffer.getLengthInBits() >= totalDataCount * 8) { + break; + } + buffer.put(QRCodeModel.PAD0, 8); + if (buffer.getLengthInBits() >= totalDataCount * 8) { + break; + } buffer.put(QRCodeModel.PAD1, 8); } return QRCodeModel.createBytes(buffer, rsBlocks); - }; QRCodeModel.createBytes = function (buffer, rsBlocks) { - var offset = 0; var maxDcCount = 0; var maxEcCount = 0; var dcdata = new Array(rsBlocks.length); var ecdata = new Array(rsBlocks.length); for (var r = 0; r < rsBlocks.length; r++) { - var dcCount = rsBlocks[r].dataCount; var ecCount = rsBlocks[r].totalCount - dcCount; maxDcCount = Math.max(maxDcCount, dcCount); maxEcCount = Math.max(maxEcCount, ecCount); dcdata[r] = new Array(dcCount); for (var i = 0; i < dcdata[r].length; i++) { dcdata[r][i] = 0xff & buffer.buffer[i + offset]; } - offset += dcCount; var rsPoly = QRUtil.getErrorCorrectPolynomial(ecCount); var rawPoly = new QRPolynomial(dcdata[r], rsPoly.getLength() - 1); var modPoly = rawPoly.mod(rsPoly); ecdata[r] = new Array(rsPoly.getLength() - 1); for (var i = 0; i < ecdata[r].length; i++) { var modIndex = i + modPoly.getLength() - ecdata[r].length; ecdata[r][i] = (modIndex >= 0) ? modPoly.get(modIndex) : 0; } - } - var totalCodeCount = 0; for (var i = 0; i < rsBlocks.length; i++) { totalCodeCount += rsBlocks[i].totalCount; } - var data = new Array(totalCodeCount); var index = 0; for (var i = 0; i < maxDcCount; i++) { for (var r = 0; r < rsBlocks.length; r++) { if (i < dcdata[r].length) { data[index++] = dcdata[r][i]; } } } - for (var i = 0; i < maxEcCount; i++) { for (var r = 0; r < rsBlocks.length; r++) { if (i < ecdata[r].length) { data[index++] = ecdata[r][i]; } } } + }; + QRCodeModel.createBytes = function (buffer, rsBlocks) { + let offset = 0; + let maxDcCount = 0; + let maxEcCount = 0; + const dcdata = new Array(rsBlocks.length); + const ecdata = new Array(rsBlocks.length); + for (var r = 0; r < rsBlocks.length; r++) { + const dcCount = rsBlocks[r].dataCount; + const 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; + const rsPoly = QRUtil.getErrorCorrectPolynomial(ecCount); + const rawPoly = new QRPolynomial(dcdata[r], rsPoly.getLength() - 1); + const modPoly = rawPoly.mod(rsPoly); + ecdata[r] = new Array(rsPoly.getLength() - 1); + for (var i = 0; i < ecdata[r].length; i++) { + const modIndex = i + modPoly.getLength() - ecdata[r].length; + ecdata[r][i] = (modIndex >= 0) ? modPoly.get(modIndex) : 0; + } + } + let totalCodeCount = 0; + for (var i = 0; i < rsBlocks.length; i++) { + totalCodeCount += rsBlocks[i].totalCount; + } + const data = new Array(totalCodeCount); + let index = 0; + for (var i = 0; i < maxDcCount; i++) { + for (var r = 0; r < rsBlocks.length; r++) { + if (i < dcdata[r].length) { + data[index++] = dcdata[r][i]; + } + } + } + for (var i = 0; i < maxEcCount; i++) { + for (var r = 0; r < rsBlocks.length; r++) { + if (i < ecdata[r].length) { + data[index++] = ecdata[r][i]; + } + } + } return data; - }; var QRMode = { MODE_NUMBER: 1 << 0, MODE_ALPHA_NUM: 1 << 1, MODE_8BIT_BYTE: 1 << 2, MODE_KANJI: 1 << 3 }; var QRErrorCorrectLevel = { L: 1, M: 0, Q: 3, H: 2 }; var QRMaskPattern = { PATTERN000: 0, PATTERN001: 1, PATTERN010: 2, PATTERN011: 3, PATTERN100: 4, PATTERN101: 5, PATTERN110: 6, PATTERN111: 7 }; var QRUtil = { - PATTERN_POSITION_TABLE: [[], [6, 18], [6, 22], [6, 26], [6, 30], [6, 34], [6, 22, 38], [6, 24, 42], [6, 26, 46], [6, 28, 50], [6, 30, 54], [6, 32, 58], [6, 34, 62], [6, 26, 46, 66], [6, 26, 48, 70], [6, 26, 50, 74], [6, 30, 54, 78], [6, 30, 56, 82], [6, 30, 58, 86], [6, 34, 62, 90], [6, 28, 50, 72, 94], [6, 26, 50, 74, 98], [6, 30, 54, 78, 102], [6, 28, 54, 80, 106], [6, 32, 58, 84, 110], [6, 30, 58, 86, 114], [6, 34, 62, 90, 118], [6, 26, 50, 74, 98, 122], [6, 30, 54, 78, 102, 126], [6, 26, 52, 78, 104, 130], [6, 30, 56, 82, 108, 134], [6, 34, 60, 86, 112, 138], [6, 30, 58, 86, 114, 142], [6, 34, 62, 90, 118, 146], [6, 30, 54, 78, 102, 126, 150], [6, 24, 50, 76, 102, 128, 154], [6, 28, 54, 80, 106, 132, 158], [6, 32, 58, 84, 110, 136, 162], [6, 26, 54, 82, 110, 138, 166], [6, 30, 58, 86, 114, 142, 170]], G15: (1 << 10) | (1 << 8) | (1 << 5) | (1 << 4) | (1 << 2) | (1 << 1) | (1 << 0), G18: (1 << 12) | (1 << 11) | (1 << 10) | (1 << 9) | (1 << 8) | (1 << 5) | (1 << 2) | (1 << 0), G15_MASK: (1 << 14) | (1 << 12) | (1 << 10) | (1 << 4) | (1 << 1), getBCHTypeInfo: function (data) { - var d = data << 10; while (QRUtil.getBCHDigit(d) - QRUtil.getBCHDigit(QRUtil.G15) >= 0) { d ^= (QRUtil.G15 << (QRUtil.getBCHDigit(d) - QRUtil.getBCHDigit(QRUtil.G15))); } + }; + var QRMode = {MODE_NUMBER: 1 << 0, MODE_ALPHA_NUM: 1 << 1, MODE_8BIT_BYTE: 1 << 2, MODE_KANJI: 1 << 3}; + const QRErrorCorrectLevel = {L: 1, M: 0, Q: 3, H: 2}; + const QRMaskPattern = { + PATTERN000: 0, + PATTERN001: 1, + PATTERN010: 2, + PATTERN011: 3, + PATTERN100: 4, + PATTERN101: 5, + PATTERN110: 6, + PATTERN111: 7 + }; + var QRUtil = { + PATTERN_POSITION_TABLE: [[], [6, 18], [6, 22], [6, 26], [6, 30], [6, 34], [6, 22, 38], [6, 24, 42], [6, 26, 46], [6, 28, 50], [6, 30, 54], [6, 32, 58], [6, 34, 62], [6, 26, 46, 66], [6, 26, 48, 70], [6, 26, 50, 74], [6, 30, 54, 78], [6, 30, 56, 82], [6, 30, 58, 86], [6, 34, 62, 90], [6, 28, 50, 72, 94], [6, 26, 50, 74, 98], [6, 30, 54, 78, 102], [6, 28, 54, 80, 106], [6, 32, 58, 84, 110], [6, 30, 58, 86, 114], [6, 34, 62, 90, 118], [6, 26, 50, 74, 98, 122], [6, 30, 54, 78, 102, 126], [6, 26, 52, 78, 104, 130], [6, 30, 56, 82, 108, 134], [6, 34, 60, 86, 112, 138], [6, 30, 58, 86, 114, 142], [6, 34, 62, 90, 118, 146], [6, 30, 54, 78, 102, 126, 150], [6, 24, 50, 76, 102, 128, 154], [6, 28, 54, 80, 106, 132, 158], [6, 32, 58, 84, 110, 136, 162], [6, 26, 54, 82, 110, 138, 166], [6, 30, 58, 86, 114, 142, 170]], + G15: (1 << 10) | (1 << 8) | (1 << 5) | (1 << 4) | (1 << 2) | (1 << 1) | (1 << 0), + G18: (1 << 12) | (1 << 11) | (1 << 10) | (1 << 9) | (1 << 8) | (1 << 5) | (1 << 2) | (1 << 0), + G15_MASK: (1 << 14) | (1 << 12) | (1 << 10) | (1 << 4) | (1 << 1), + getBCHTypeInfo: function (data) { + let 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))); } + }, + getBCHTypeNumber: function (data) { + let 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; } + }, + getBCHDigit: function (data) { + let 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)); } + }, + 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) { + let a = new QRPolynomial([1], 0); + for (let i = 0; i < errorCorrectLength; i++) { + a = a.multiply(new QRPolynomial([1, QRMath.gexp(i)], 0)); + } return a; - }, getLengthInBits: function (mode, type) { if (1 <= type && type < 10) { switch (mode) { case QRMode.MODE_NUMBER: return 10; case QRMode.MODE_ALPHA_NUM: return 9; case QRMode.MODE_8BIT_BYTE: return 8; case QRMode.MODE_KANJI: return 8; default: throw new Error("mode:" + mode); } } else if (type < 27) { switch (mode) { case QRMode.MODE_NUMBER: return 12; case QRMode.MODE_ALPHA_NUM: return 11; case QRMode.MODE_8BIT_BYTE: return 16; case QRMode.MODE_KANJI: return 10; default: throw new Error("mode:" + mode); } } else if (type < 41) { switch (mode) { case QRMode.MODE_NUMBER: return 14; case QRMode.MODE_ALPHA_NUM: return 13; case QRMode.MODE_8BIT_BYTE: return 16; case QRMode.MODE_KANJI: return 12; default: throw new Error("mode:" + mode); } } else { throw new Error("type:" + type); } }, getLostPoint: function (qrCode) { - var moduleCount = qrCode.getModuleCount(); var lostPoint = 0; for (var row = 0; row < moduleCount; row++) { + }, + getLengthInBits: function (mode, type) { + if (1 <= type && type < 10) { + switch (mode) { + case QRMode.MODE_NUMBER: + return 10; + case QRMode.MODE_ALPHA_NUM: + return 9; + case QRMode.MODE_8BIT_BYTE: + return 8; + case QRMode.MODE_KANJI: + return 8; + default: + throw new Error("mode:" + mode); + } + } else if (type < 27) { + switch (mode) { + case QRMode.MODE_NUMBER: + return 12; + case QRMode.MODE_ALPHA_NUM: + return 11; + case QRMode.MODE_8BIT_BYTE: + return 16; + case QRMode.MODE_KANJI: + return 10; + default: + throw new Error("mode:" + mode); + } + } else if (type < 41) { + switch (mode) { + case QRMode.MODE_NUMBER: + return 14; + case QRMode.MODE_ALPHA_NUM: + return 13; + case QRMode.MODE_8BIT_BYTE: + return 16; + case QRMode.MODE_KANJI: + return 12; + default: + throw new Error("mode:" + mode); + } + } else { + throw new Error("type:" + type); + } + }, + getLostPoint: function (qrCode) { + const moduleCount = qrCode.getModuleCount(); + let lostPoint = 0; + for (var row = 0; row < moduleCount; row++) { for (var col = 0; col < moduleCount; col++) { - var sameCount = 0; var dark = qrCode.isDark(row, col); for (var r = -1; r <= 1; r++) { - if (row + r < 0 || moduleCount <= row + r) { continue; } - for (var c = -1; c <= 1; c++) { - if (col + c < 0 || moduleCount <= col + c) { continue; } - if (r == 0 && c == 0) { continue; } - if (dark == qrCode.isDark(row + r, col + c)) { sameCount++; } + let sameCount = 0; + const dark = qrCode.isDark(row, col); + for (let r = -1; r <= 1; r++) { + if (row + r < 0 || moduleCount <= row + r) { + continue; + } + for (let 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); } + if (sameCount > 5) { + lostPoint += (3 + sameCount - 5); + } } } - for (var row = 0; row < moduleCount - 1; row++) { for (var col = 0; col < moduleCount - 1; col++) { var count = 0; if (qrCode.isDark(row, col)) count++; if (qrCode.isDark(row + 1, col)) count++; if (qrCode.isDark(row, col + 1)) count++; if (qrCode.isDark(row + 1, col + 1)) count++; if (count == 0 || count == 4) { lostPoint += 3; } } } - for (var row = 0; row < moduleCount; row++) { for (var col = 0; col < moduleCount - 6; col++) { if (qrCode.isDark(row, col) && !qrCode.isDark(row, col + 1) && qrCode.isDark(row, col + 2) && qrCode.isDark(row, col + 3) && qrCode.isDark(row, col + 4) && !qrCode.isDark(row, col + 5) && qrCode.isDark(row, col + 6)) { lostPoint += 40; } } } - for (var col = 0; col < moduleCount; col++) { for (var row = 0; row < moduleCount - 6; row++) { if (qrCode.isDark(row, col) && !qrCode.isDark(row + 1, col) && qrCode.isDark(row + 2, col) && qrCode.isDark(row + 3, col) && qrCode.isDark(row + 4, col) && !qrCode.isDark(row + 5, col) && qrCode.isDark(row + 6, col)) { lostPoint += 40; } } } - var darkCount = 0; for (var col = 0; col < moduleCount; col++) { for (var row = 0; row < moduleCount; row++) { if (qrCode.isDark(row, col)) { darkCount++; } } } - var ratio = Math.abs(100 * darkCount / moduleCount / moduleCount - 50) / 5; lostPoint += ratio * 10; return lostPoint; + for (var row = 0; row < moduleCount - 1; row++) { + for (var col = 0; col < moduleCount - 1; col++) { + let count = 0; + if (qrCode.isDark(row, col)) count++; + if (qrCode.isDark(row + 1, col)) count++; + if (qrCode.isDark(row, col + 1)) count++; + if (qrCode.isDark(row + 1, col + 1)) count++; + if (count === 0 || count === 4) { + lostPoint += 3; + } + } + } + for (var row = 0; row < moduleCount; row++) { + for (var col = 0; col < moduleCount - 6; col++) { + if (qrCode.isDark(row, col) && !qrCode.isDark(row, col + 1) && qrCode.isDark(row, col + 2) && qrCode.isDark(row, col + 3) && qrCode.isDark(row, col + 4) && !qrCode.isDark(row, col + 5) && qrCode.isDark(row, col + 6)) { + lostPoint += 40; + } + } + } + for (var col = 0; col < moduleCount; col++) { + for (var row = 0; row < moduleCount - 6; row++) { + if (qrCode.isDark(row, col) && !qrCode.isDark(row + 1, col) && qrCode.isDark(row + 2, col) && qrCode.isDark(row + 3, col) && qrCode.isDark(row + 4, col) && !qrCode.isDark(row + 5, col) && qrCode.isDark(row + 6, col)) { + lostPoint += 40; + } + } + } + let darkCount = 0; + for (var col = 0; col < moduleCount; col++) { + for (var row = 0; row < moduleCount; row++) { + if (qrCode.isDark(row, col)) { + darkCount++; + } + } + } + const ratio = Math.abs(100 * darkCount / moduleCount / moduleCount - 50) / 5; + lostPoint += ratio * 10; + return lostPoint; } - }; var QRMath = { + }; + var QRMath = { glog: function (n) { - if (n < 1) { throw new Error("glog(" + 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; } + 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; } + }; + for (var i = 0; i < 8; i++) { + QRMath.EXP_TABLE[i] = 1 << i; + } + for (var i = 8; i < 256; i++) { + QRMath.EXP_TABLE[i] = QRMath.EXP_TABLE[i - 4] ^ QRMath.EXP_TABLE[i - 5] ^ QRMath.EXP_TABLE[i - 6] ^ QRMath.EXP_TABLE[i - 8]; + } + for (var i = 0; i < 255; i++) { + QRMath.LOG_TABLE[QRMath.EXP_TABLE[i]] = i; + } + function QRPolynomial(num, shift) { - if (num.length == undefined) { throw new Error(num.length + "/" + shift); } - var offset = 0; while (offset < num.length && num[offset] == 0) { offset++; } - this.num = new Array(num.length - offset + shift); for (var i = 0; i < num.length - offset; i++) { this.num[i] = num[i + offset]; } + if (num.length === undefined) { + throw new Error(num.length + "/" + shift); + } + let offset = 0; + while (offset < num.length && num[offset] === 0) { + offset++; + } + this.num = new Array(num.length - offset + shift); + for (let 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))); } } + get: function (index) { + return this.num[index]; + }, getLength: function () { + return this.num.length; + }, multiply: function (e) { + const num = new Array(this.getLength() + e.getLength() - 1); + for (let i = 0; i < this.getLength(); i++) { + for (let 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); } + if (this.getLength() - e.getLength() < 0) { + return this; + } + const ratio = QRMath.glog(this.get(0)) - QRMath.glog(e.get(0)); + const num = new Array(this.getLength()); + for (var i = 0; i < this.getLength(); i++) { + num[i] = this.get(i); + } + for (var i = 0; i < e.getLength(); i++) { + num[i] ^= QRMath.gexp(QRMath.glog(e.get(i)) + ratio); + } return new QRPolynomial(num, 0).mod(e); } - }; function QRRSBlock(totalCount, dataCount) { this.totalCount = totalCount; this.dataCount = dataCount; } - QRRSBlock.RS_BLOCK_TABLE = [[1, 26, 19], [1, 26, 16], [1, 26, 13], [1, 26, 9], [1, 44, 34], [1, 44, 28], [1, 44, 22], [1, 44, 16], [1, 70, 55], [1, 70, 44], [2, 35, 17], [2, 35, 13], [1, 100, 80], [2, 50, 32], [2, 50, 24], [4, 25, 9], [1, 134, 108], [2, 67, 43], [2, 33, 15, 2, 34, 16], [2, 33, 11, 2, 34, 12], [2, 86, 68], [4, 43, 27], [4, 43, 19], [4, 43, 15], [2, 98, 78], [4, 49, 31], [2, 32, 14, 4, 33, 15], [4, 39, 13, 1, 40, 14], [2, 121, 97], [2, 60, 38, 2, 61, 39], [4, 40, 18, 2, 41, 19], [4, 40, 14, 2, 41, 15], [2, 146, 116], [3, 58, 36, 2, 59, 37], [4, 36, 16, 4, 37, 17], [4, 36, 12, 4, 37, 13], [2, 86, 68, 2, 87, 69], [4, 69, 43, 1, 70, 44], [6, 43, 19, 2, 44, 20], [6, 43, 15, 2, 44, 16], [4, 101, 81], [1, 80, 50, 4, 81, 51], [4, 50, 22, 4, 51, 23], [3, 36, 12, 8, 37, 13], [2, 116, 92, 2, 117, 93], [6, 58, 36, 2, 59, 37], [4, 46, 20, 6, 47, 21], [7, 42, 14, 4, 43, 15], [4, 133, 107], [8, 59, 37, 1, 60, 38], [8, 44, 20, 4, 45, 21], [12, 33, 11, 4, 34, 12], [3, 145, 115, 1, 146, 116], [4, 64, 40, 5, 65, 41], [11, 36, 16, 5, 37, 17], [11, 36, 12, 5, 37, 13], [5, 109, 87, 1, 110, 88], [5, 65, 41, 5, 66, 42], [5, 54, 24, 7, 55, 25], [11, 36, 12], [5, 122, 98, 1, 123, 99], [7, 73, 45, 3, 74, 46], [15, 43, 19, 2, 44, 20], [3, 45, 15, 13, 46, 16], [1, 135, 107, 5, 136, 108], [10, 74, 46, 1, 75, 47], [1, 50, 22, 15, 51, 23], [2, 42, 14, 17, 43, 15], [5, 150, 120, 1, 151, 121], [9, 69, 43, 4, 70, 44], [17, 50, 22, 1, 51, 23], [2, 42, 14, 19, 43, 15], [3, 141, 113, 4, 142, 114], [3, 70, 44, 11, 71, 45], [17, 47, 21, 4, 48, 22], [9, 39, 13, 16, 40, 14], [3, 135, 107, 5, 136, 108], [3, 67, 41, 13, 68, 42], [15, 54, 24, 5, 55, 25], [15, 43, 15, 10, 44, 16], [4, 144, 116, 4, 145, 117], [17, 68, 42], [17, 50, 22, 6, 51, 23], [19, 46, 16, 6, 47, 17], [2, 139, 111, 7, 140, 112], [17, 74, 46], [7, 54, 24, 16, 55, 25], [34, 37, 13], [4, 151, 121, 5, 152, 122], [4, 75, 47, 14, 76, 48], [11, 54, 24, 14, 55, 25], [16, 45, 15, 14, 46, 16], [6, 147, 117, 4, 148, 118], [6, 73, 45, 14, 74, 46], [11, 54, 24, 16, 55, 25], [30, 46, 16, 2, 47, 17], [8, 132, 106, 4, 133, 107], [8, 75, 47, 13, 76, 48], [7, 54, 24, 22, 55, 25], [22, 45, 15, 13, 46, 16], [10, 142, 114, 2, 143, 115], [19, 74, 46, 4, 75, 47], [28, 50, 22, 6, 51, 23], [33, 46, 16, 4, 47, 17], [8, 152, 122, 4, 153, 123], [22, 73, 45, 3, 74, 46], [8, 53, 23, 26, 54, 24], [12, 45, 15, 28, 46, 16], [3, 147, 117, 10, 148, 118], [3, 73, 45, 23, 74, 46], [4, 54, 24, 31, 55, 25], [11, 45, 15, 31, 46, 16], [7, 146, 116, 7, 147, 117], [21, 73, 45, 7, 74, 46], [1, 53, 23, 37, 54, 24], [19, 45, 15, 26, 46, 16], [5, 145, 115, 10, 146, 116], [19, 75, 47, 10, 76, 48], [15, 54, 24, 25, 55, 25], [23, 45, 15, 25, 46, 16], [13, 145, 115, 3, 146, 116], [2, 74, 46, 29, 75, 47], [42, 54, 24, 1, 55, 25], [23, 45, 15, 28, 46, 16], [17, 145, 115], [10, 74, 46, 23, 75, 47], [10, 54, 24, 35, 55, 25], [19, 45, 15, 35, 46, 16], [17, 145, 115, 1, 146, 116], [14, 74, 46, 21, 75, 47], [29, 54, 24, 19, 55, 25], [11, 45, 15, 46, 46, 16], [13, 145, 115, 6, 146, 116], [14, 74, 46, 23, 75, 47], [44, 54, 24, 7, 55, 25], [59, 46, 16, 1, 47, 17], [12, 151, 121, 7, 152, 122], [12, 75, 47, 26, 76, 48], [39, 54, 24, 14, 55, 25], [22, 45, 15, 41, 46, 16], [6, 151, 121, 14, 152, 122], [6, 75, 47, 34, 76, 48], [46, 54, 24, 10, 55, 25], [2, 45, 15, 64, 46, 16], [17, 152, 122, 4, 153, 123], [29, 74, 46, 14, 75, 47], [49, 54, 24, 10, 55, 25], [24, 45, 15, 46, 46, 16], [4, 152, 122, 18, 153, 123], [13, 74, 46, 32, 75, 47], [48, 54, 24, 14, 55, 25], [42, 45, 15, 32, 46, 16], [20, 147, 117, 4, 148, 118], [40, 75, 47, 7, 76, 48], [43, 54, 24, 22, 55, 25], [10, 45, 15, 67, 46, 16], [19, 148, 118, 6, 149, 119], [18, 75, 47, 31, 76, 48], [34, 54, 24, 34, 55, 25], [20, 45, 15, 61, 46, 16]]; QRRSBlock.getRSBlocks = function (typeNumber, errorCorrectLevel) { - var rsBlock = QRRSBlock.getRsBlockTable(typeNumber, errorCorrectLevel); if (rsBlock == undefined) { throw new Error("bad rs block @ typeNumber:" + typeNumber + "/errorCorrectLevel:" + errorCorrectLevel); } - var length = rsBlock.length / 3; var list = []; for (var i = 0; i < length; i++) { var count = rsBlock[i * 3 + 0]; var totalCount = rsBlock[i * 3 + 1]; var dataCount = rsBlock[i * 3 + 2]; for (var j = 0; j < count; j++) { list.push(new QRRSBlock(totalCount, dataCount)); } } + }; + + function QRRSBlock(totalCount, dataCount) { + this.totalCount = totalCount; + this.dataCount = dataCount; + } + + QRRSBlock.RS_BLOCK_TABLE = [[1, 26, 19], [1, 26, 16], [1, 26, 13], [1, 26, 9], [1, 44, 34], [1, 44, 28], [1, 44, 22], [1, 44, 16], [1, 70, 55], [1, 70, 44], [2, 35, 17], [2, 35, 13], [1, 100, 80], [2, 50, 32], [2, 50, 24], [4, 25, 9], [1, 134, 108], [2, 67, 43], [2, 33, 15, 2, 34, 16], [2, 33, 11, 2, 34, 12], [2, 86, 68], [4, 43, 27], [4, 43, 19], [4, 43, 15], [2, 98, 78], [4, 49, 31], [2, 32, 14, 4, 33, 15], [4, 39, 13, 1, 40, 14], [2, 121, 97], [2, 60, 38, 2, 61, 39], [4, 40, 18, 2, 41, 19], [4, 40, 14, 2, 41, 15], [2, 146, 116], [3, 58, 36, 2, 59, 37], [4, 36, 16, 4, 37, 17], [4, 36, 12, 4, 37, 13], [2, 86, 68, 2, 87, 69], [4, 69, 43, 1, 70, 44], [6, 43, 19, 2, 44, 20], [6, 43, 15, 2, 44, 16], [4, 101, 81], [1, 80, 50, 4, 81, 51], [4, 50, 22, 4, 51, 23], [3, 36, 12, 8, 37, 13], [2, 116, 92, 2, 117, 93], [6, 58, 36, 2, 59, 37], [4, 46, 20, 6, 47, 21], [7, 42, 14, 4, 43, 15], [4, 133, 107], [8, 59, 37, 1, 60, 38], [8, 44, 20, 4, 45, 21], [12, 33, 11, 4, 34, 12], [3, 145, 115, 1, 146, 116], [4, 64, 40, 5, 65, 41], [11, 36, 16, 5, 37, 17], [11, 36, 12, 5, 37, 13], [5, 109, 87, 1, 110, 88], [5, 65, 41, 5, 66, 42], [5, 54, 24, 7, 55, 25], [11, 36, 12], [5, 122, 98, 1, 123, 99], [7, 73, 45, 3, 74, 46], [15, 43, 19, 2, 44, 20], [3, 45, 15, 13, 46, 16], [1, 135, 107, 5, 136, 108], [10, 74, 46, 1, 75, 47], [1, 50, 22, 15, 51, 23], [2, 42, 14, 17, 43, 15], [5, 150, 120, 1, 151, 121], [9, 69, 43, 4, 70, 44], [17, 50, 22, 1, 51, 23], [2, 42, 14, 19, 43, 15], [3, 141, 113, 4, 142, 114], [3, 70, 44, 11, 71, 45], [17, 47, 21, 4, 48, 22], [9, 39, 13, 16, 40, 14], [3, 135, 107, 5, 136, 108], [3, 67, 41, 13, 68, 42], [15, 54, 24, 5, 55, 25], [15, 43, 15, 10, 44, 16], [4, 144, 116, 4, 145, 117], [17, 68, 42], [17, 50, 22, 6, 51, 23], [19, 46, 16, 6, 47, 17], [2, 139, 111, 7, 140, 112], [17, 74, 46], [7, 54, 24, 16, 55, 25], [34, 37, 13], [4, 151, 121, 5, 152, 122], [4, 75, 47, 14, 76, 48], [11, 54, 24, 14, 55, 25], [16, 45, 15, 14, 46, 16], [6, 147, 117, 4, 148, 118], [6, 73, 45, 14, 74, 46], [11, 54, 24, 16, 55, 25], [30, 46, 16, 2, 47, 17], [8, 132, 106, 4, 133, 107], [8, 75, 47, 13, 76, 48], [7, 54, 24, 22, 55, 25], [22, 45, 15, 13, 46, 16], [10, 142, 114, 2, 143, 115], [19, 74, 46, 4, 75, 47], [28, 50, 22, 6, 51, 23], [33, 46, 16, 4, 47, 17], [8, 152, 122, 4, 153, 123], [22, 73, 45, 3, 74, 46], [8, 53, 23, 26, 54, 24], [12, 45, 15, 28, 46, 16], [3, 147, 117, 10, 148, 118], [3, 73, 45, 23, 74, 46], [4, 54, 24, 31, 55, 25], [11, 45, 15, 31, 46, 16], [7, 146, 116, 7, 147, 117], [21, 73, 45, 7, 74, 46], [1, 53, 23, 37, 54, 24], [19, 45, 15, 26, 46, 16], [5, 145, 115, 10, 146, 116], [19, 75, 47, 10, 76, 48], [15, 54, 24, 25, 55, 25], [23, 45, 15, 25, 46, 16], [13, 145, 115, 3, 146, 116], [2, 74, 46, 29, 75, 47], [42, 54, 24, 1, 55, 25], [23, 45, 15, 28, 46, 16], [17, 145, 115], [10, 74, 46, 23, 75, 47], [10, 54, 24, 35, 55, 25], [19, 45, 15, 35, 46, 16], [17, 145, 115, 1, 146, 116], [14, 74, 46, 21, 75, 47], [29, 54, 24, 19, 55, 25], [11, 45, 15, 46, 46, 16], [13, 145, 115, 6, 146, 116], [14, 74, 46, 23, 75, 47], [44, 54, 24, 7, 55, 25], [59, 46, 16, 1, 47, 17], [12, 151, 121, 7, 152, 122], [12, 75, 47, 26, 76, 48], [39, 54, 24, 14, 55, 25], [22, 45, 15, 41, 46, 16], [6, 151, 121, 14, 152, 122], [6, 75, 47, 34, 76, 48], [46, 54, 24, 10, 55, 25], [2, 45, 15, 64, 46, 16], [17, 152, 122, 4, 153, 123], [29, 74, 46, 14, 75, 47], [49, 54, 24, 10, 55, 25], [24, 45, 15, 46, 46, 16], [4, 152, 122, 18, 153, 123], [13, 74, 46, 32, 75, 47], [48, 54, 24, 14, 55, 25], [42, 45, 15, 32, 46, 16], [20, 147, 117, 4, 148, 118], [40, 75, 47, 7, 76, 48], [43, 54, 24, 22, 55, 25], [10, 45, 15, 67, 46, 16], [19, 148, 118, 6, 149, 119], [18, 75, 47, 31, 76, 48], [34, 54, 24, 34, 55, 25], [20, 45, 15, 61, 46, 16]]; + QRRSBlock.getRSBlocks = function (typeNumber, errorCorrectLevel) { + const rsBlock = QRRSBlock.getRsBlockTable(typeNumber, errorCorrectLevel); + if (rsBlock === undefined) { + throw new Error("bad rs block @ typeNumber:" + typeNumber + "/errorCorrectLevel:" + errorCorrectLevel); + } + const length = rsBlock.length / 3; + const list = []; + for (let i = 0; i < length; i++) { + const count = rsBlock[i * 3]; + const totalCount = rsBlock[i * 3 + 1]; + const dataCount = rsBlock[i * 3 + 2]; + for (let j = 0; j < count; j++) { + list.push(new QRRSBlock(totalCount, dataCount)); + } + } return list; - }; QRRSBlock.getRsBlockTable = function (typeNumber, errorCorrectLevel) { switch (errorCorrectLevel) { case QRErrorCorrectLevel.L: return QRRSBlock.RS_BLOCK_TABLE[(typeNumber - 1) * 4 + 0]; case QRErrorCorrectLevel.M: return QRRSBlock.RS_BLOCK_TABLE[(typeNumber - 1) * 4 + 1]; case QRErrorCorrectLevel.Q: return QRRSBlock.RS_BLOCK_TABLE[(typeNumber - 1) * 4 + 2]; case QRErrorCorrectLevel.H: return QRRSBlock.RS_BLOCK_TABLE[(typeNumber - 1) * 4 + 3]; default: return undefined; } }; function QRBitBuffer() { this.buffer = []; this.length = 0; } + }; + QRRSBlock.getRsBlockTable = function (typeNumber, errorCorrectLevel) { + switch (errorCorrectLevel) { + case QRErrorCorrectLevel.L: + return QRRSBlock.RS_BLOCK_TABLE[(typeNumber - 1) * 4]; + case QRErrorCorrectLevel.M: + return QRRSBlock.RS_BLOCK_TABLE[(typeNumber - 1) * 4 + 1]; + case QRErrorCorrectLevel.Q: + return QRRSBlock.RS_BLOCK_TABLE[(typeNumber - 1) * 4 + 2]; + case QRErrorCorrectLevel.H: + return QRRSBlock.RS_BLOCK_TABLE[(typeNumber - 1) * 4 + 3]; + default: + return undefined; + } + }; + + function QRBitBuffer() { + this.buffer = []; + this.length = 0; + } + QRBitBuffer.prototype = { - get: function (index) { var bufIndex = Math.floor(index / 8); return ((this.buffer[bufIndex] >>> (7 - index % 8)) & 1) == 1; }, put: function (num, length) { for (var i = 0; i < length; i++) { this.putBit(((num >>> (length - i - 1)) & 1) == 1); } }, getLengthInBits: function () { return this.length; }, putBit: function (bit) { - var bufIndex = Math.floor(this.length / 8); if (this.buffer.length <= bufIndex) { this.buffer.push(0); } - if (bit) { this.buffer[bufIndex] |= (0x80 >>> (this.length % 8)); } + get: function (index) { + const bufIndex = Math.floor(index / 8); + return ((this.buffer[bufIndex] >>> (7 - index % 8)) & 1) === 1; + }, put: function (num, length) { + for (let i = 0; i < length; i++) { + this.putBit(((num >>> (length - i - 1)) & 1) === 1); + } + }, getLengthInBits: function () { + return this.length; + }, putBit: function (bit) { + const bufIndex = Math.floor(this.length / 8); + if (this.buffer.length <= bufIndex) { + this.buffer.push(0); + } + if (bit) { + this.buffer[bufIndex] |= (0x80 >>> (this.length % 8)); + } this.length++; } - }; var QRCodeLimitLength = [[17, 14, 11, 7], [32, 26, 20, 14], [53, 42, 32, 24], [78, 62, 46, 34], [106, 84, 60, 44], [134, 106, 74, 58], [154, 122, 86, 64], [192, 152, 108, 84], [230, 180, 130, 98], [271, 213, 151, 119], [321, 251, 177, 137], [367, 287, 203, 155], [425, 331, 241, 177], [458, 362, 258, 194], [520, 412, 292, 220], [586, 450, 322, 250], [644, 504, 364, 280], [718, 560, 394, 310], [792, 624, 442, 338], [858, 666, 482, 382], [929, 711, 509, 403], [1003, 779, 565, 439], [1091, 857, 611, 461], [1171, 911, 661, 511], [1273, 997, 715, 535], [1367, 1059, 751, 593], [1465, 1125, 805, 625], [1528, 1190, 868, 658], [1628, 1264, 908, 698], [1732, 1370, 982, 742], [1840, 1452, 1030, 790], [1952, 1538, 1112, 842], [2068, 1628, 1168, 898], [2188, 1722, 1228, 958], [2303, 1809, 1283, 983], [2431, 1911, 1351, 1051], [2563, 1989, 1423, 1093], [2699, 2099, 1499, 1139], [2809, 2213, 1579, 1219], [2953, 2331, 1663, 1273]]; + }; + const QRCodeLimitLength = [[17, 14, 11, 7], [32, 26, 20, 14], [53, 42, 32, 24], [78, 62, 46, 34], [106, 84, 60, 44], [134, 106, 74, 58], [154, 122, 86, 64], [192, 152, 108, 84], [230, 180, 130, 98], [271, 213, 151, 119], [321, 251, 177, 137], [367, 287, 203, 155], [425, 331, 241, 177], [458, 362, 258, 194], [520, 412, 292, 220], [586, 450, 322, 250], [644, 504, 364, 280], [718, 560, 394, 310], [792, 624, 442, 338], [858, 666, 482, 382], [929, 711, 509, 403], [1003, 779, 565, 439], [1091, 857, 611, 461], [1171, 911, 661, 511], [1273, 997, 715, 535], [1367, 1059, 751, 593], [1465, 1125, 805, 625], [1528, 1190, 868, 658], [1628, 1264, 908, 698], [1732, 1370, 982, 742], [1840, 1452, 1030, 790], [1952, 1538, 1112, 842], [2068, 1628, 1168, 898], [2188, 1722, 1228, 958], [2303, 1809, 1283, 983], [2431, 1911, 1351, 1051], [2563, 1989, 1423, 1093], [2699, 2099, 1499, 1139], [2809, 2213, 1579, 1219], [2953, 2331, 1663, 1273]]; function _isSupportCanvas() { return typeof CanvasRenderingContext2D != "undefined"; } - var svgDrawer = (function () { + const svgDrawer = (function () { - var Drawing = function (el, htOption) { + const Drawing = function (el, htOption) { this._el = el; this._htOption = htOption; }; Drawing.prototype.draw = function (oQRCode) { - var _htOption = this._htOption; - var _el = this._el; - var nCount = oQRCode.getModuleCount(); + const _htOption = this._htOption; + const _el = this._el; + const nCount = oQRCode.getModuleCount(); this.clear(); function makeSVG(tag, attrs) { - var el = document.createElementNS('http://www.w3.org/2000/svg', tag); - for (var k in attrs) + const el = document.createElementNS('http://www.w3.org/2000/svg', tag); + for (let k in attrs) if (attrs.hasOwnProperty(k)) el.setAttribute(k, attrs[k]); return el; } - var svg = makeSVG("svg", { 'viewBox': '0 0 ' + String(nCount) + " " + String(nCount), 'width': '100%', 'height': '100%', 'fill': _htOption.colorLight }); + const svg = makeSVG("svg", { + 'viewBox': '0 0 ' + String(nCount) + " " + String(nCount), + 'width': '100%', + 'height': '100%', + 'fill': _htOption.colorLight + }); svg.setAttributeNS("http://www.w3.org/2000/xmlns/", "xmlns:xlink", "http://www.w3.org/1999/xlink"); _el.appendChild(svg); - svg.appendChild(makeSVG("rect", { "fill": _htOption.colorLight, "width": "100%", "height": "100%" })); - svg.appendChild(makeSVG("rect", { "fill": _htOption.colorDark, "width": "1", "height": "1", "id": "template" })); + svg.appendChild(makeSVG("rect", {"fill": _htOption.colorLight, "width": "100%", "height": "100%"})); + svg.appendChild(makeSVG("rect", { + "fill": _htOption.colorDark, + "width": "1", + "height": "1", + "id": "template" + })); - for (var row = 0; row < nCount; row++) { - for (var col = 0; col < nCount; col++) { + for (let row = 0; row < nCount; row++) { + for (let col = 0; col < nCount; col++) { if (oQRCode.isDark(row, col)) { - var child = makeSVG("use", { "x": String(col), "y": String(row) }); + const child = makeSVG("use", {"x": String(col), "y": String(row)}); child.setAttributeNS("http://www.w3.org/1999/xlink", "href", "#template") svg.appendChild(child); } @@ -286,11 +704,11 @@ var QRCode; return Drawing; })(); - var useSVG = document.documentElement.tagName.toLowerCase() === "svg"; + const useSVG = document.documentElement.tagName.toLowerCase() === "svg"; // Drawing in DOM by using Table tag var Drawing = useSVG ? svgDrawer : !_isSupportCanvas() ? (function () { - var Drawing = function (el, htOption) { + const Drawing = function (el, htOption) { this._el = el; this._htOption = htOption; }; @@ -301,17 +719,17 @@ var QRCode; * @param {QRCode} oQRCode */ Drawing.prototype.draw = function (oQRCode) { - var _htOption = this._htOption; - var _el = this._el; - var nCount = oQRCode.getModuleCount(); - var nWidth = Math.floor(_htOption.width / nCount); - var nHeight = Math.floor(_htOption.height / nCount); - var aHTML = ['']; - - for (var row = 0; row < nCount; row++) { + const _htOption = this._htOption; + const _el = this._el; + const nCount = oQRCode.getModuleCount(); + const nWidth = Math.floor(_htOption.width / nCount); + const nHeight = Math.floor(_htOption.height / nCount); + const aHTML = ['
']; + + for (let row = 0; row < nCount; row++) { aHTML.push(''); - for (var col = 0; col < nCount; col++) { + for (let col = 0; col < nCount; col++) { aHTML.push(''); } @@ -322,9 +740,9 @@ var QRCode; _el.innerHTML = aHTML.join(''); // Fix the margin values as real size. - var elTable = _el.childNodes[0]; - var nLeftMarginTable = (_htOption.width - elTable.offsetWidth) / 2; - var nTopMarginTable = (_htOption.height - elTable.offsetHeight) / 2; + const elTable = _el.childNodes[0]; + const nLeftMarginTable = (_htOption.width - elTable.offsetWidth) / 2; + const nTopMarginTable = (_htOption.height - elTable.offsetHeight) / 2; if (nLeftMarginTable > 0 && nTopMarginTable > 0) { elTable.style.margin = nTopMarginTable + "px " + nLeftMarginTable + "px"; @@ -354,21 +772,21 @@ var QRCode; * @param {Function} fFail Occurs if it doesn't support Data URI */ function _safeSetDataURI(fSuccess, fFail) { - var self = this; + const self = this; self._fFail = fFail; self._fSuccess = fSuccess; // Check it just once if (self._bSupportDataURI === null) { - var el = document.createElement("img"); - var fOnError = function () { + const el = document.createElement("img"); + const fOnError = function () { self._bSupportDataURI = false; if (self._fFail) { self._fFail.call(self); } }; - var fOnSuccess = function () { + const fOnSuccess = function () { self._bSupportDataURI = true; if (self._fSuccess) { @@ -380,7 +798,6 @@ var QRCode; el.onerror = fOnError; el.onload = fOnSuccess; el.src = "data:image/gif;base64,iVBORw0KGgoAAAANSUhEUgAAAAUAAAAFCAYAAACNbyblAAAAHElEQVQI12P4//8/w38GIAXDIBKE0DHxgljNBAAO9TXL0Y4OHwAAAABJRU5ErkJggg=="; // the Image contains 1px data. - return; } else if (self._bSupportDataURI === true && self._fSuccess) { self._fSuccess.call(self); } else if (self._bSupportDataURI === false && self._fFail) { @@ -395,7 +812,7 @@ var QRCode; * @param {HTMLElement} el * @param {Object} htOption QRCode Options */ - var Drawing = function (el, htOption) { + const Drawing = function (el, htOption) { this._bIsPainted = false; this._htOption = htOption; this._elCanvas = document.createElement("canvas"); @@ -418,24 +835,24 @@ var QRCode; * @param {QRCode} oQRCode */ Drawing.prototype.draw = function (oQRCode) { - var _elImage = this._elImage; - var _oContext = this._oContext; - var _htOption = this._htOption; + const _elImage = this._elImage; + const _oContext = this._oContext; + const _htOption = this._htOption; - var nCount = oQRCode.getModuleCount(); - var nWidth = _htOption.width / nCount; - var nHeight = _htOption.height / nCount; - var nRoundedWidth = Math.round(nWidth); - var nRoundedHeight = Math.round(nHeight); + const nCount = oQRCode.getModuleCount(); + const nWidth = _htOption.width / nCount; + const nHeight = _htOption.height / nCount; + const nRoundedWidth = Math.round(nWidth); + const nRoundedHeight = Math.round(nHeight); _elImage.style.display = "none"; this.clear(); - for (var row = 0; row < nCount; row++) { - for (var col = 0; col < nCount; col++) { - var bIsDark = oQRCode.isDark(row, col); - var nLeft = col * nWidth; - var nTop = row * nHeight; + for (let row = 0; row < nCount; row++) { + for (let col = 0; col < nCount; col++) { + const bIsDark = oQRCode.isDark(row, col); + const nLeft = col * nWidth; + const nTop = row * nHeight; _oContext.strokeStyle = bIsDark ? _htOption.colorDark : _htOption.colorLight; _oContext.lineWidth = 1; _oContext.fillStyle = bIsDark ? _htOption.colorDark : _htOption.colorLight; @@ -511,11 +928,13 @@ var QRCode; * @return {Number} type */ function _getTypeNumber(sText, nCorrectLevel) { - var nType = 1; - var length = _getUTF8Length(sText); + let nType = 1; + const length = _getUTF8Length(sText); - for (var i = 0, len = QRCodeLimitLength.length; i <= len; i++) { - var nLimit = 0; + let i = 0; + const len = QRCodeLimitLength.length; + for (; i <= len; i++) { + let nLimit = 0; switch (nCorrectLevel) { case QRErrorCorrectLevel.L: @@ -547,8 +966,8 @@ var QRCode; } function _getUTF8Length(sText) { - var replacedText = encodeURI(sText).toString().replace(/\%[0-9a-fA-F]{2}/g, 'a'); - return replacedText.length + (replacedText.length != sText ? 3 : 0); + const replacedText = encodeURI(sText).toString().replace(/\%[0-9a-fA-F]{2}/g, 'a'); + return replacedText.length + (replacedText.length !== sText ? 3 : 0); } /** @@ -594,7 +1013,7 @@ var QRCode; // Overwrites options if (vOption) { - for (var i in vOption) { + for (let i in vOption) { this._htOption[i] = vOption[i]; } } @@ -655,4 +1074,4 @@ var QRCode; QRCode.CorrectLevel = QRErrorCorrectLevel; })(); -export { QRCode }; \ No newline at end of file +export {QRCode}; \ No newline at end of file -- cgit v1.2.3