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let QRCode; |
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(function () { |
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function QR8bitByte(data) { |
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this.mode = QRMode.MODE_8BIT_BYTE; |
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this.data = data; |
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this.parsedData = []; |
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|
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|
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const l = this.data.length; |
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for (let i = 0; i < l; i++) { |
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const byteArray = []; |
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const code = this.data.charCodeAt(i); |
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|
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if (code > 0x10000) { |
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byteArray[0] = 0xF0 | ((code & 0x1C0000) >>> 18); |
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byteArray[1] = 0x80 | ((code & 0x3F000) >>> 12); |
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byteArray[2] = 0x80 | ((code & 0xFC0) >>> 6); |
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byteArray[3] = 0x80 | (code & 0x3F); |
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} else if (code > 0x800) { |
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byteArray[0] = 0xE0 | ((code & 0xF000) >>> 12); |
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byteArray[1] = 0x80 | ((code & 0xFC0) >>> 6); |
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byteArray[2] = 0x80 | (code & 0x3F); |
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} else if (code > 0x80) { |
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byteArray[0] = 0xC0 | ((code & 0x7C0) >>> 6); |
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byteArray[1] = 0x80 | (code & 0x3F); |
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} else { |
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byteArray[0] = code; |
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} |
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|
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this.parsedData.push(byteArray); |
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} |
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|
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this.parsedData = Array.prototype.concat.apply([], this.parsedData); |
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|
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if (this.parsedData.length !== this.data.length) { |
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this.parsedData.unshift(191); |
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this.parsedData.unshift(187); |
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this.parsedData.unshift(239); |
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} |
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} |
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|
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QR8bitByte.prototype = { |
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getLength: function (_) { |
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return this.parsedData.length; |
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}, |
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write: function (buffer) { |
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const l = this.parsedData.length; |
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for (let i = 0; i < l; i++) { |
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buffer.put(this.parsedData[i], 8); |
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} |
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} |
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}; |
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|
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function QRCodeModel(typeNumber, errorCorrectLevel) { |
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this.typeNumber = typeNumber; |
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this.errorCorrectLevel = errorCorrectLevel; |
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this.modules = null; |
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this.moduleCount = 0; |
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this.dataCache = null; |
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this.dataList = []; |
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} |
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|
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QRCodeModel.prototype = { |
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addData: function (data) { |
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const newData = new QR8bitByte(data); |
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this.dataList.push(newData); |
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this.dataCache = null; |
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}, isDark: function (row, col) { |
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if (row < 0 || this.moduleCount <= row || col < 0 || this.moduleCount <= col) { |
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throw new Error(row + "," + col); |
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} |
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return this.modules[row][col]; |
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}, getModuleCount: function () { |
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return this.moduleCount; |
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}, make: function () { |
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this.makeImpl(false, this.getBestMaskPattern()); |
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}, makeImpl: function (test, maskPattern) { |
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this.moduleCount = this.typeNumber * 4 + 17; |
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this.modules = new Array(this.moduleCount); |
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for (let row = 0; row < this.moduleCount; row++) { |
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this.modules[row] = new Array(this.moduleCount); |
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for (let col = 0; col < this.moduleCount; col++) { |
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this.modules[row][col] = null; |
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} |
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} |
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this.setupPositionProbePattern(0, 0); |
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this.setupPositionProbePattern(this.moduleCount - 7, 0); |
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this.setupPositionProbePattern(0, this.moduleCount - 7); |
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this.setupPositionAdjustPattern(); |
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this.setupTimingPattern(); |
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this.setupTypeInfo(test, maskPattern); |
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if (this.typeNumber >= 7) { |
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this.setupTypeNumber(test); |
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} |
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if (this.dataCache == null) { |
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this.dataCache = QRCodeModel.createData(this.typeNumber, this.errorCorrectLevel, this.dataList); |
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} |
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this.mapData(this.dataCache, maskPattern); |
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}, setupPositionProbePattern: function (row, col) { |
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for (let r = -1; r <= 7; r++) { |
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if (row + r <= -1 || this.moduleCount <= row + r) continue; |
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for (let c = -1; c <= 7; c++) { |
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if (col + c <= -1 || this.moduleCount <= col + c) continue; |
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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); |
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} |
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} |
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}, getBestMaskPattern: function () { |
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let minLostPoint = 0; |
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let pattern = 0; |
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for (let i = 0; i < 8; i++) { |
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this.makeImpl(true, i); |
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const lostPoint = QRUtil.getLostPoint(this); |
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if (i === 0 || minLostPoint > lostPoint) { |
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minLostPoint = lostPoint; |
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pattern = i; |
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} |
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} |
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return pattern; |
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}, setupTimingPattern: function () { |
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for (let r = 8; r < this.moduleCount - 8; r++) { |
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if (this.modules[r][6] != null) { |
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continue; |
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} |
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this.modules[r][6] = (r % 2 === 0); |
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} |
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for (let c = 8; c < this.moduleCount - 8; c++) { |
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if (this.modules[6][c] != null) { |
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continue; |
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} |
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this.modules[6][c] = (c % 2 === 0); |
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} |
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}, setupPositionAdjustPattern: function () { |
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const pos = QRUtil.getPatternPosition(this.typeNumber); |
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for (let i = 0; i < pos.length; i++) { |
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for (let j = 0; j < pos.length; j++) { |
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const row = pos[i]; |
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const col = pos[j]; |
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if (this.modules[row][col] != null) { |
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continue; |
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} |
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for (let r = -2; r <= 2; r++) { |
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for (let c = -2; c <= 2; c++) { |
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this.modules[row + r][col + c] = r === -2 || r === 2 || c === -2 || c === 2 || (r === 0 && c === 0); |
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} |
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} |
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} |
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} |
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}, setupTypeNumber: function (test) { |
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const bits = QRUtil.getBCHTypeNumber(this.typeNumber); |
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for (let i = 0; i < 18; i++) { |
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this.modules[Math.floor(i / 3)][i % 3 + this.moduleCount - 8 - 3] = (!test && ((bits >> i) & 1) === 1); |
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} |
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for (let i = 0; i < 18; i++) { |
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this.modules[i % 3 + this.moduleCount - 8 - 3][Math.floor(i / 3)] = (!test && ((bits >> i) & 1) === 1); |
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} |
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}, setupTypeInfo: function (test, maskPattern) { |
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const data = (this.errorCorrectLevel << 3) | maskPattern; |
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const bits = QRUtil.getBCHTypeInfo(data); |
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for (let i = 0; i < 15; i++) { |
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let mod = (!test && ((bits >> i) & 1) === 1); |
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if (i < 6) { |
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this.modules[i][8] = mod; |
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} else if (i < 8) { |
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this.modules[i + 1][8] = mod; |
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} else { |
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this.modules[this.moduleCount - 15 + i][8] = mod; |
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} |
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} |
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for (let i = 0; i < 15; i++) { |
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let mod = (!test && ((bits >> i) & 1) === 1); |
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if (i < 8) { |
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this.modules[8][this.moduleCount - i - 1] = mod; |
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} else if (i < 9) { |
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this.modules[8][15 - i - 1 + 1] = mod; |
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} else { |
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this.modules[8][15 - i - 1] = mod; |
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} |
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} |
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this.modules[this.moduleCount - 8][8] = (!test); |
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}, mapData: function (data, maskPattern) { |
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let inc = -1; |
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let row = this.moduleCount - 1; |
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let bitIndex = 7; |
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let byteIndex = 0; |
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for (let col = this.moduleCount - 1; col > 0; col -= 2) { |
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if (col === 6) col--; |
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while (true) { |
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for (let c = 0; c < 2; c++) { |
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if (this.modules[row][col - c] == null) { |
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let dark = false; |
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if (byteIndex < data.length) { |
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dark = (((data[byteIndex] >>> bitIndex) & 1) === 1); |
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} |
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const mask = QRUtil.getMask(maskPattern, row, col - c); |
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if (mask) { |
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dark = !dark; |
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} |
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this.modules[row][col - c] = dark; |
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bitIndex--; |
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if (bitIndex === -1) { |
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byteIndex++; |
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bitIndex = 7; |
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} |
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} |
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} |
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row += inc; |
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if (row < 0 || this.moduleCount <= row) { |
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row -= inc; |
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inc = -inc; |
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break; |
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} |
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} |
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} |
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} |
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}; |
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QRCodeModel.PAD0 = 0xEC; |
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QRCodeModel.PAD1 = 0x11; |
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QRCodeModel.createData = function (typeNumber, errorCorrectLevel, dataList) { |
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const rsBlocks = QRRSBlock.getRSBlocks(typeNumber, errorCorrectLevel); |
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const buffer = new QRBitBuffer(); |
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for (let i = 0; i < dataList.length; i++) { |
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const data = dataList[i]; |
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buffer.put(data.mode, 4); |
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buffer.put(data.getLength(), QRUtil.getLengthInBits(data.mode, typeNumber)); |
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data.write(buffer); |
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} |
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let totalDataCount = 0; |
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for (let i = 0; i < rsBlocks.length; i++) { |
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totalDataCount += rsBlocks[i].dataCount; |
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} |
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if (buffer.getLengthInBits() > totalDataCount * 8) { |
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throw new Error("code length overflow. (" |
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+ buffer.getLengthInBits() |
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+ ">" |
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+ totalDataCount * 8 |
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+ ")"); |
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} |
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if (buffer.getLengthInBits() + 4 <= totalDataCount * 8) { |
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buffer.put(0, 4); |
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} |
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while (buffer.getLengthInBits() % 8 !== 0) { |
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buffer.putBit(false); |
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} |
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while (true) { |
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if (buffer.getLengthInBits() >= totalDataCount * 8) { |
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break; |
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} |
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buffer.put(QRCodeModel.PAD0, 8); |
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if (buffer.getLengthInBits() >= totalDataCount * 8) { |
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break; |
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} |
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buffer.put(QRCodeModel.PAD1, 8); |
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} |
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return QRCodeModel.createBytes(buffer, rsBlocks); |
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}; |
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QRCodeModel.createBytes = function (buffer, rsBlocks) { |
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let offset = 0; |
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let maxDcCount = 0; |
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let maxEcCount = 0; |
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const dcdata = new Array(rsBlocks.length); |
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const ecdata = new Array(rsBlocks.length); |
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for (let r = 0; r < rsBlocks.length; r++) { |
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const dcCount = rsBlocks[r].dataCount; |
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const ecCount = rsBlocks[r].totalCount - dcCount; |
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maxDcCount = Math.max(maxDcCount, dcCount); |
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maxEcCount = Math.max(maxEcCount, ecCount); |
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dcdata[r] = new Array(dcCount); |
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for (let i = 0; i < dcdata[r].length; i++) { |
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dcdata[r][i] = 0xff & buffer.buffer[i + offset]; |
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} |
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offset += dcCount; |
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const rsPoly = QRUtil.getErrorCorrectPolynomial(ecCount); |
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const rawPoly = new QRPolynomial(dcdata[r], rsPoly.getLength() - 1); |
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const modPoly = rawPoly.mod(rsPoly); |
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ecdata[r] = new Array(rsPoly.getLength() - 1); |
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for (let i = 0; i < ecdata[r].length; i++) { |
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const modIndex = i + modPoly.getLength() - ecdata[r].length; |
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ecdata[r][i] = (modIndex >= 0) ? modPoly.get(modIndex) : 0; |
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} |
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} |
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let totalCodeCount = 0; |
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for (let i = 0; i < rsBlocks.length; i++) { |
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totalCodeCount += rsBlocks[i].totalCount; |
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} |
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const data = new Array(totalCodeCount); |
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let index = 0; |
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for (let i = 0; i < maxDcCount; i++) { |
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for (let r = 0; r < rsBlocks.length; r++) { |
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if (i < dcdata[r].length) { |
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data[index++] = dcdata[r][i]; |
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} |
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} |
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} |
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for (let i = 0; i < maxEcCount; i++) { |
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for (let r = 0; r < rsBlocks.length; r++) { |
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if (i < ecdata[r].length) { |
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data[index++] = ecdata[r][i]; |
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} |
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} |
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} |
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return data; |
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}; |
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let QRMode = {MODE_NUMBER: 1 << 0, MODE_ALPHA_NUM: 1 << 1, MODE_8BIT_BYTE: 1 << 2, MODE_KANJI: 1 << 3}; |
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const QRErrorCorrectLevel = {L: 1, M: 0, Q: 3, H: 2}; |
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const QRMaskPattern = { |
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PATTERN000: 0, |
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PATTERN001: 1, |
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PATTERN010: 2, |
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PATTERN011: 3, |
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PATTERN100: 4, |
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PATTERN101: 5, |
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PATTERN110: 6, |
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PATTERN111: 7 |
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}; |
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let QRUtil = { |
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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]], |
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G15: (1 << 10) | (1 << 8) | (1 << 5) | (1 << 4) | (1 << 2) | (1 << 1) | (1 << 0), |
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G18: (1 << 12) | (1 << 11) | (1 << 10) | (1 << 9) | (1 << 8) | (1 << 5) | (1 << 2) | (1 << 0), |
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G15_MASK: (1 << 14) | (1 << 12) | (1 << 10) | (1 << 4) | (1 << 1), |
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getBCHTypeInfo: function (data) { |
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let d = data << 10; |
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while (QRUtil.getBCHDigit(d) - QRUtil.getBCHDigit(QRUtil.G15) >= 0) { |
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d ^= (QRUtil.G15 << (QRUtil.getBCHDigit(d) - QRUtil.getBCHDigit(QRUtil.G15))); |
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} |
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return ((data << 10) | d) ^ QRUtil.G15_MASK; |
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}, |
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getBCHTypeNumber: function (data) { |
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let d = data << 12; |
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while (QRUtil.getBCHDigit(d) - QRUtil.getBCHDigit(QRUtil.G18) >= 0) { |
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d ^= (QRUtil.G18 << (QRUtil.getBCHDigit(d) - QRUtil.getBCHDigit(QRUtil.G18))); |
| 357 |
} |
| 358 |
return (data << 12) | d; |
| 359 |
}, |
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getBCHDigit: function (data) { |
| 361 |
let digit = 0; |
| 362 |
while (data !== 0) { |
| 363 |
digit++; |
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data >>>= 1; |
| 365 |
} |
| 366 |
return digit; |
| 367 |
}, |
| 368 |
getPatternPosition: function (typeNumber) { |
| 369 |
return QRUtil.PATTERN_POSITION_TABLE[typeNumber - 1]; |
| 370 |
}, |
| 371 |
getMask: function (maskPattern, i, j) { |
| 372 |
switch (maskPattern) { |
| 373 |
case QRMaskPattern.PATTERN000: |
| 374 |
return (i + j) % 2 === 0; |
| 375 |
case QRMaskPattern.PATTERN001: |
| 376 |
return i % 2 === 0; |
| 377 |
case QRMaskPattern.PATTERN010: |
| 378 |
return j % 3 === 0; |
| 379 |
case QRMaskPattern.PATTERN011: |
| 380 |
return (i + j) % 3 === 0; |
| 381 |
case QRMaskPattern.PATTERN100: |
| 382 |
return (Math.floor(i / 2) + Math.floor(j / 3)) % 2 === 0; |
| 383 |
case QRMaskPattern.PATTERN101: |
| 384 |
return (i * j) % 2 + (i * j) % 3 === 0; |
| 385 |
case QRMaskPattern.PATTERN110: |
| 386 |
return ((i * j) % 2 + (i * j) % 3) % 2 === 0; |
| 387 |
case QRMaskPattern.PATTERN111: |
| 388 |
return ((i * j) % 3 + (i + j) % 2) % 2 === 0; |
| 389 |
default: |
| 390 |
throw new Error("bad maskPattern:" + maskPattern); |
| 391 |
} |
| 392 |
}, |
| 393 |
getErrorCorrectPolynomial: function (errorCorrectLength) { |
| 394 |
let a = new QRPolynomial([1], 0); |
| 395 |
for (let i = 0; i < errorCorrectLength; i++) { |
| 396 |
a = a.multiply(new QRPolynomial([1, QRMath.gexp(i)], 0)); |
| 397 |
} |
| 398 |
return a; |
| 399 |
}, |
| 400 |
getLengthInBits: function (mode, type) { |
| 401 |
if (1 <= type && type < 10) { |
| 402 |
switch (mode) { |
| 403 |
case QRMode.MODE_NUMBER: |
| 404 |
return 10; |
| 405 |
case QRMode.MODE_ALPHA_NUM: |
| 406 |
return 9; |
| 407 |
case QRMode.MODE_8BIT_BYTE: |
| 408 |
return 8; |
| 409 |
case QRMode.MODE_KANJI: |
| 410 |
return 8; |
| 411 |
default: |
| 412 |
throw new Error("mode:" + mode); |
| 413 |
} |
| 414 |
} else if (type < 27) { |
| 415 |
switch (mode) { |
| 416 |
case QRMode.MODE_NUMBER: |
| 417 |
return 12; |
| 418 |
case QRMode.MODE_ALPHA_NUM: |
| 419 |
return 11; |
| 420 |
case QRMode.MODE_8BIT_BYTE: |
| 421 |
return 16; |
| 422 |
case QRMode.MODE_KANJI: |
| 423 |
return 10; |
| 424 |
default: |
| 425 |
throw new Error("mode:" + mode); |
| 426 |
} |
| 427 |
} else if (type < 41) { |
| 428 |
switch (mode) { |
| 429 |
case QRMode.MODE_NUMBER: |
| 430 |
return 14; |
| 431 |
case QRMode.MODE_ALPHA_NUM: |
| 432 |
return 13; |
| 433 |
case QRMode.MODE_8BIT_BYTE: |
| 434 |
return 16; |
| 435 |
case QRMode.MODE_KANJI: |
| 436 |
return 12; |
| 437 |
default: |
| 438 |
throw new Error("mode:" + mode); |
| 439 |
} |
| 440 |
} else { |
| 441 |
throw new Error("type:" + type); |
| 442 |
} |
| 443 |
}, |
| 444 |
getLostPoint: function (qrCode) { |
| 445 |
const moduleCount = qrCode.getModuleCount(); |
| 446 |
let lostPoint = 0; |
| 447 |
for (let row = 0; row < moduleCount; row++) { |
| 448 |
for (let col = 0; col < moduleCount; col++) { |
| 449 |
let sameCount = 0; |
| 450 |
const dark = qrCode.isDark(row, col); |
| 451 |
for (let r = -1; r <= 1; r++) { |
| 452 |
if (row + r < 0 || moduleCount <= row + r) { |
| 453 |
continue; |
| 454 |
} |
| 455 |
for (let c = -1; c <= 1; c++) { |
| 456 |
if (col + c < 0 || moduleCount <= col + c) { |
| 457 |
continue; |
| 458 |
} |
| 459 |
if (r === 0 && c === 0) { |
| 460 |
continue; |
| 461 |
} |
| 462 |
if (dark === qrCode.isDark(row + r, col + c)) { |
| 463 |
sameCount++; |
| 464 |
} |
| 465 |
} |
| 466 |
} |
| 467 |
if (sameCount > 5) { |
| 468 |
lostPoint += (3 + sameCount - 5); |
| 469 |
} |
| 470 |
} |
| 471 |
} |
| 472 |
for (let row = 0; row < moduleCount - 1; row++) { |
| 473 |
for (let col = 0; col < moduleCount - 1; col++) { |
| 474 |
let count = 0; |
| 475 |
if (qrCode.isDark(row, col)) count++; |
| 476 |
if (qrCode.isDark(row + 1, col)) count++; |
| 477 |
if (qrCode.isDark(row, col + 1)) count++; |
| 478 |
if (qrCode.isDark(row + 1, col + 1)) count++; |
| 479 |
if (count === 0 || count === 4) { |
| 480 |
lostPoint += 3; |
| 481 |
} |
| 482 |
} |
| 483 |
} |
| 484 |
for (let row = 0; row < moduleCount; row++) { |
| 485 |
for (let col = 0; col < moduleCount - 6; col++) { |
| 486 |
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)) { |
| 487 |
lostPoint += 40; |
| 488 |
} |
| 489 |
} |
| 490 |
} |
| 491 |
for (let col = 0; col < moduleCount; col++) { |
| 492 |
for (let row = 0; row < moduleCount - 6; row++) { |
| 493 |
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)) { |
| 494 |
lostPoint += 40; |
| 495 |
} |
| 496 |
} |
| 497 |
} |
| 498 |
let darkCount = 0; |
| 499 |
for (let col = 0; col < moduleCount; col++) { |
| 500 |
for (let row = 0; row < moduleCount; row++) { |
| 501 |
if (qrCode.isDark(row, col)) { |
| 502 |
darkCount++; |
| 503 |
} |
| 504 |
} |
| 505 |
} |
| 506 |
const ratio = Math.abs(100 * darkCount / moduleCount / moduleCount - 50) / 5; |
| 507 |
lostPoint += ratio * 10; |
| 508 |
return lostPoint; |
| 509 |
} |
| 510 |
}; |
| 511 |
let QRMath = { |
| 512 |
glog: function (n) { |
| 513 |
if (n < 1) { |
| 514 |
throw new Error("glog(" + n + ")"); |
| 515 |
} |
| 516 |
return QRMath.LOG_TABLE[n]; |
| 517 |
}, gexp: function (n) { |
| 518 |
while (n < 0) { |
| 519 |
n += 255; |
| 520 |
} |
| 521 |
while (n >= 256) { |
| 522 |
n -= 255; |
| 523 |
} |
| 524 |
return QRMath.EXP_TABLE[n]; |
| 525 |
}, EXP_TABLE: new Array(256), LOG_TABLE: new Array(256) |
| 526 |
}; |
| 527 |
for (let i = 0; i < 8; i++) { |
| 528 |
QRMath.EXP_TABLE[i] = 1 << i; |
| 529 |
} |
| 530 |
for (let i = 8; i < 256; i++) { |
| 531 |
QRMath.EXP_TABLE[i] = QRMath.EXP_TABLE[i - 4] ^ QRMath.EXP_TABLE[i - 5] ^ QRMath.EXP_TABLE[i - 6] ^ QRMath.EXP_TABLE[i - 8]; |
| 532 |
} |
| 533 |
for (let i = 0; i < 255; i++) { |
| 534 |
QRMath.LOG_TABLE[QRMath.EXP_TABLE[i]] = i; |
| 535 |
} |
| 536 |
|
| 537 |
function QRPolynomial(num, shift) { |
| 538 |
if (num.length === undefined) { |
| 539 |
throw new Error(num.length + "/" + shift); |
| 540 |
} |
| 541 |
let offset = 0; |
| 542 |
while (offset < num.length && num[offset] === 0) { |
| 543 |
offset++; |
| 544 |
} |
| 545 |
this.num = new Array(num.length - offset + shift); |
| 546 |
for (let i = 0; i < num.length - offset; i++) { |
| 547 |
this.num[i] = num[i + offset]; |
| 548 |
} |
| 549 |
} |
| 550 |
|
| 551 |
QRPolynomial.prototype = { |
| 552 |
get: function (index) { |
| 553 |
return this.num[index]; |
| 554 |
}, getLength: function () { |
| 555 |
return this.num.length; |
| 556 |
}, multiply: function (e) { |
| 557 |
const num = new Array(this.getLength() + e.getLength() - 1); |
| 558 |
for (let i = 0; i < this.getLength(); i++) { |
| 559 |
for (let j = 0; j < e.getLength(); j++) { |
| 560 |
num[i + j] ^= QRMath.gexp(QRMath.glog(this.get(i)) + QRMath.glog(e.get(j))); |
| 561 |
} |
| 562 |
} |
| 563 |
return new QRPolynomial(num, 0); |
| 564 |
}, mod: function (e) { |
| 565 |
if (this.getLength() - e.getLength() < 0) { |
| 566 |
return this; |
| 567 |
} |
| 568 |
const ratio = QRMath.glog(this.get(0)) - QRMath.glog(e.get(0)); |
| 569 |
const num = new Array(this.getLength()); |
| 570 |
for (let i = 0; i < this.getLength(); i++) { |
| 571 |
num[i] = this.get(i); |
| 572 |
} |
| 573 |
for (let i = 0; i < e.getLength(); i++) { |
| 574 |
num[i] ^= QRMath.gexp(QRMath.glog(e.get(i)) + ratio); |
| 575 |
} |
| 576 |
return new QRPolynomial(num, 0).mod(e); |
| 577 |
} |
| 578 |
}; |
| 579 |
|
| 580 |
function QRRSBlock(totalCount, dataCount) { |
| 581 |
this.totalCount = totalCount; |
| 582 |
this.dataCount = dataCount; |
| 583 |
} |
| 584 |
|
| 585 |
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]]; |
| 586 |
QRRSBlock.getRSBlocks = function (typeNumber, errorCorrectLevel) { |
| 587 |
const rsBlock = QRRSBlock.getRsBlockTable(typeNumber, errorCorrectLevel); |
| 588 |
if (rsBlock === undefined) { |
| 589 |
throw new Error("bad rs block @ typeNumber:" + typeNumber + "/errorCorrectLevel:" + errorCorrectLevel); |
| 590 |
} |
| 591 |
const length = rsBlock.length / 3; |
| 592 |
const list = []; |
| 593 |
for (let i = 0; i < length; i++) { |
| 594 |
const count = rsBlock[i * 3]; |
| 595 |
const totalCount = rsBlock[i * 3 + 1]; |
| 596 |
const dataCount = rsBlock[i * 3 + 2]; |
| 597 |
for (let j = 0; j < count; j++) { |
| 598 |
list.push(new QRRSBlock(totalCount, dataCount)); |
| 599 |
} |
| 600 |
} |
| 601 |
return list; |
| 602 |
}; |
| 603 |
QRRSBlock.getRsBlockTable = function (typeNumber, errorCorrectLevel) { |
| 604 |
switch (errorCorrectLevel) { |
| 605 |
case QRErrorCorrectLevel.L: |
| 606 |
return QRRSBlock.RS_BLOCK_TABLE[(typeNumber - 1) * 4]; |
| 607 |
case QRErrorCorrectLevel.M: |
| 608 |
return QRRSBlock.RS_BLOCK_TABLE[(typeNumber - 1) * 4 + 1]; |
| 609 |
case QRErrorCorrectLevel.Q: |
| 610 |
return QRRSBlock.RS_BLOCK_TABLE[(typeNumber - 1) * 4 + 2]; |
| 611 |
case QRErrorCorrectLevel.H: |
| 612 |
return QRRSBlock.RS_BLOCK_TABLE[(typeNumber - 1) * 4 + 3]; |
| 613 |
default: |
| 614 |
return undefined; |
| 615 |
} |
| 616 |
}; |
| 617 |
|
| 618 |
function QRBitBuffer() { |
| 619 |
this.buffer = []; |
| 620 |
this.length = 0; |
| 621 |
} |
| 622 |
|
| 623 |
QRBitBuffer.prototype = { |
| 624 |
get: function (index) { |
| 625 |
const bufIndex = Math.floor(index / 8); |
| 626 |
return ((this.buffer[bufIndex] >>> (7 - index % 8)) & 1) === 1; |
| 627 |
}, put: function (num, length) { |
| 628 |
for (let i = 0; i < length; i++) { |
| 629 |
this.putBit(((num >>> (length - i - 1)) & 1) === 1); |
| 630 |
} |
| 631 |
}, getLengthInBits: function () { |
| 632 |
return this.length; |
| 633 |
}, putBit: function (bit) { |
| 634 |
const bufIndex = Math.floor(this.length / 8); |
| 635 |
if (this.buffer.length <= bufIndex) { |
| 636 |
this.buffer.push(0); |
| 637 |
} |
| 638 |
if (bit) { |
| 639 |
this.buffer[bufIndex] |= (0x80 >>> (this.length % 8)); |
| 640 |
} |
| 641 |
this.length++; |
| 642 |
} |
| 643 |
}; |
| 644 |
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]]; |
| 645 |
|
| 646 |
function _isSupportCanvas() { |
| 647 |
return typeof CanvasRenderingContext2D != "undefined"; |
| 648 |
} |
| 649 |
|
| 650 |
const svgDrawer = (function () { |
| 651 |
|
| 652 |
const Drawing = function (el, htOption) { |
| 653 |
this._el = el; |
| 654 |
this._htOption = htOption; |
| 655 |
}; |
| 656 |
|
| 657 |
Drawing.prototype.draw = function (oQRCode) { |
| 658 |
const _htOption = this._htOption; |
| 659 |
const _el = this._el; |
| 660 |
const nCount = oQRCode.getModuleCount(); |
| 661 |
|
| 662 |
this.clear(); |
| 663 |
|
| 664 |
function makeSVG(tag, attrs) { |
| 665 |
const el = document.createElementNS('http://www.w3.org/2000/svg', tag); |
| 666 |
for (let k in attrs) |
| 667 |
if (attrs.hasOwnProperty(k)) el.setAttribute(k, attrs[k]); |
| 668 |
return el; |
| 669 |
} |
| 670 |
|
| 671 |
const svg = makeSVG("svg", { |
| 672 |
'viewBox': '0 0 ' + String(nCount) + " " + String(nCount), |
| 673 |
'width': '100%', |
| 674 |
'height': '100%', |
| 675 |
'fill': _htOption.colorLight |
| 676 |
}); |
| 677 |
svg.setAttributeNS("http://www.w3.org/2000/xmlns/", "xmlns:xlink", "http://www.w3.org/1999/xlink"); |
| 678 |
_el.appendChild(svg); |
| 679 |
|
| 680 |
svg.appendChild(makeSVG("rect", {"fill": _htOption.colorLight, "width": "100%", "height": "100%"})); |
| 681 |
svg.appendChild(makeSVG("rect", { |
| 682 |
"fill": _htOption.colorDark, |
| 683 |
"width": "1", |
| 684 |
"height": "1", |
| 685 |
"id": "template" |
| 686 |
})); |
| 687 |
|
| 688 |
for (let row = 0; row < nCount; row++) { |
| 689 |
for (let col = 0; col < nCount; col++) { |
| 690 |
if (oQRCode.isDark(row, col)) { |
| 691 |
const child = makeSVG("use", {"x": String(col), "y": String(row)}); |
| 692 |
child.setAttributeNS("http://www.w3.org/1999/xlink", "href", "#template") |
| 693 |
svg.appendChild(child); |
| 694 |
} |
| 695 |
} |
| 696 |
} |
| 697 |
}; |
| 698 |
Drawing.prototype.clear = function () { |
| 699 |
while (this._el.hasChildNodes()) |
| 700 |
this._el.removeChild(this._el.lastChild); |
| 701 |
}; |
| 702 |
return Drawing; |
| 703 |
})(); |
| 704 |
|
| 705 |
const useSVG = document.documentElement.tagName.toLowerCase() === "svg"; |
| 706 |
|
| 707 |
|
| 708 |
let Drawing = useSVG ? svgDrawer : !_isSupportCanvas() ? (function () { |
| 709 |
const Drawing = function (el, htOption) { |
| 710 |
this._el = el; |
| 711 |
this._htOption = htOption; |
| 712 |
}; |
| 713 |
|
| 714 |
|
| 715 |
|
| 716 |
|
| 717 |
|
| 718 |
|
| 719 |
Drawing.prototype.draw = function (oQRCode) { |
| 720 |
const _htOption = this._htOption; |
| 721 |
const _el = this._el; |
| 722 |
const nCount = oQRCode.getModuleCount(); |
| 723 |
const nWidth = Math.floor(_htOption.width / nCount); |
| 724 |
const nHeight = Math.floor(_htOption.height / nCount); |
| 725 |
const aHTML = ['<table style="border:0;border-collapse:collapse;">']; |
| 726 |
|
| 727 |
for (let row = 0; row < nCount; row++) { |
| 728 |
aHTML.push('<tr>'); |
| 729 |
|
| 730 |
for (let col = 0; col < nCount; col++) { |
| 731 |
aHTML.push('<td style="border:0;border-collapse:collapse;padding:0;margin:0;width:' + nWidth + 'px;height:' + nHeight + 'px;background-color:' + (oQRCode.isDark(row, col) ? _htOption.colorDark : _htOption.colorLight) + ';"></td>'); |
| 732 |
} |
| 733 |
|
| 734 |
aHTML.push('</tr>'); |
| 735 |
} |
| 736 |
|
| 737 |
aHTML.push('</table>'); |
| 738 |
_el.innerHTML = aHTML.join(''); |
| 739 |
|
| 740 |
|
| 741 |
const elTable = _el.childNodes[0]; |
| 742 |
const nLeftMarginTable = (_htOption.width - elTable.offsetWidth) / 2; |
| 743 |
const nTopMarginTable = (_htOption.height - elTable.offsetHeight) / 2; |
| 744 |
|
| 745 |
if (nLeftMarginTable > 0 && nTopMarginTable > 0) { |
| 746 |
elTable.style.margin = nTopMarginTable + "px " + nLeftMarginTable + "px"; |
| 747 |
} |
| 748 |
}; |
| 749 |
|
| 750 |
|
| 751 |
|
| 752 |
|
| 753 |
Drawing.prototype.clear = function () { |
| 754 |
this._el.innerHTML = ''; |
| 755 |
}; |
| 756 |
|
| 757 |
return Drawing; |
| 758 |
})() : (function () { |
| 759 |
function _onMakeImage() { |
| 760 |
this._elImage.src = this._elCanvas.toDataURL("image/png"); |
| 761 |
this._elImage.style.display = "block"; |
| 762 |
this._elCanvas.style.display = "none"; |
| 763 |
} |
| 764 |
|
| 765 |
|
| 766 |
|
| 767 |
|
| 768 |
|
| 769 |
|
| 770 |
|
| 771 |
|
| 772 |
function _safeSetDataURI(fSuccess, fFail) { |
| 773 |
const self = this; |
| 774 |
self._fFail = fFail; |
| 775 |
self._fSuccess = fSuccess; |
| 776 |
|
| 777 |
|
| 778 |
if (self._bSupportDataURI === null) { |
| 779 |
const el = document.createElement("img"); |
| 780 |
const fOnError = function () { |
| 781 |
self._bSupportDataURI = false; |
| 782 |
|
| 783 |
if (self._fFail) { |
| 784 |
self._fFail.call(self); |
| 785 |
} |
| 786 |
}; |
| 787 |
const fOnSuccess = function () { |
| 788 |
self._bSupportDataURI = true; |
| 789 |
|
| 790 |
if (self._fSuccess) { |
| 791 |
self._fSuccess.call(self); |
| 792 |
} |
| 793 |
}; |
| 794 |
|
| 795 |
el.onabort = fOnError; |
| 796 |
el.onerror = fOnError; |
| 797 |
el.onload = fOnSuccess; |
| 798 |
el.src = "data:image/gif;base64,iVBORw0KGgoAAAANSUhEUgAAAAUAAAAFCAYAAACNbyblAAAAHElEQVQI12P4//8/w38GIAXDIBKE0DHxgljNBAAO9TXL0Y4OHwAAAABJRU5ErkJggg=="; |
| 799 |
} else if (self._bSupportDataURI === true && self._fSuccess) { |
| 800 |
self._fSuccess.call(self); |
| 801 |
} else if (self._bSupportDataURI === false && self._fFail) { |
| 802 |
self._fFail.call(self); |
| 803 |
} |
| 804 |
}; |
| 805 |
|
| 806 |
|
| 807 |
|
| 808 |
|
| 809 |
|
| 810 |
|
| 811 |
|
| 812 |
|
| 813 |
const Drawing = function (el, htOption) { |
| 814 |
this._bIsPainted = false; |
| 815 |
this._htOption = htOption; |
| 816 |
this._elCanvas = document.createElement("canvas"); |
| 817 |
this._elCanvas.width = htOption.width; |
| 818 |
this._elCanvas.height = htOption.height; |
| 819 |
el.appendChild(this._elCanvas); |
| 820 |
this._el = el; |
| 821 |
this._oContext = this._elCanvas.getContext("2d"); |
| 822 |
this._bIsPainted = false; |
| 823 |
this._elImage = document.createElement("img"); |
| 824 |
this._elImage.alt = "Scan me!"; |
| 825 |
this._elImage.style.display = "none"; |
| 826 |
this._el.appendChild(this._elImage); |
| 827 |
this._bSupportDataURI = null; |
| 828 |
}; |
| 829 |
|
| 830 |
|
| 831 |
|
| 832 |
|
| 833 |
|
| 834 |
|
| 835 |
Drawing.prototype.draw = function (oQRCode) { |
| 836 |
const _elImage = this._elImage; |
| 837 |
const _oContext = this._oContext; |
| 838 |
const _htOption = this._htOption; |
| 839 |
|
| 840 |
const nCount = oQRCode.getModuleCount(); |
| 841 |
const nWidth = _htOption.width / nCount; |
| 842 |
const nHeight = _htOption.height / nCount; |
| 843 |
const nRoundedWidth = Math.round(nWidth); |
| 844 |
const nRoundedHeight = Math.round(nHeight); |
| 845 |
|
| 846 |
_elImage.style.display = "none"; |
| 847 |
this.clear(); |
| 848 |
|
| 849 |
for (let row = 0; row < nCount; row++) { |
| 850 |
for (let col = 0; col < nCount; col++) { |
| 851 |
const bIsDark = oQRCode.isDark(row, col); |
| 852 |
const nLeft = col * nWidth; |
| 853 |
const nTop = row * nHeight; |
| 854 |
_oContext.strokeStyle = bIsDark ? _htOption.colorDark : _htOption.colorLight; |
| 855 |
_oContext.lineWidth = 1; |
| 856 |
_oContext.fillStyle = bIsDark ? _htOption.colorDark : _htOption.colorLight; |
| 857 |
_oContext.fillRect(nLeft, nTop, nWidth, nHeight); |
| 858 |
|
| 859 |
|
| 860 |
_oContext.strokeRect( |
| 861 |
Math.floor(nLeft) + 0.5, |
| 862 |
Math.floor(nTop) + 0.5, |
| 863 |
nRoundedWidth, |
| 864 |
nRoundedHeight |
| 865 |
); |
| 866 |
|
| 867 |
_oContext.strokeRect( |
| 868 |
Math.ceil(nLeft) - 0.5, |
| 869 |
Math.ceil(nTop) - 0.5, |
| 870 |
nRoundedWidth, |
| 871 |
nRoundedHeight |
| 872 |
); |
| 873 |
} |
| 874 |
} |
| 875 |
|
| 876 |
this._bIsPainted = true; |
| 877 |
}; |
| 878 |
|
| 879 |
|
| 880 |
|
| 881 |
|
| 882 |
Drawing.prototype.makeImage = function () { |
| 883 |
if (this._bIsPainted) { |
| 884 |
_safeSetDataURI.call(this, _onMakeImage); |
| 885 |
} |
| 886 |
}; |
| 887 |
|
| 888 |
|
| 889 |
|
| 890 |
|
| 891 |
|
| 892 |
|
| 893 |
Drawing.prototype.isPainted = function () { |
| 894 |
return this._bIsPainted; |
| 895 |
}; |
| 896 |
|
| 897 |
|
| 898 |
|
| 899 |
|
| 900 |
Drawing.prototype.clear = function () { |
| 901 |
this._oContext.clearRect(0, 0, this._elCanvas.width, this._elCanvas.height); |
| 902 |
this._bIsPainted = false; |
| 903 |
}; |
| 904 |
|
| 905 |
|
| 906 |
|
| 907 |
|
| 908 |
|
| 909 |
Drawing.prototype.round = function (nNumber) { |
| 910 |
if (!nNumber) { |
| 911 |
return nNumber; |
| 912 |
} |
| 913 |
|
| 914 |
return Math.floor(nNumber * 1000) / 1000; |
| 915 |
}; |
| 916 |
|
| 917 |
return Drawing; |
| 918 |
})(); |
| 919 |
|
| 920 |
|
| 921 |
|
| 922 |
|
| 923 |
|
| 924 |
|
| 925 |
|
| 926 |
|
| 927 |
|
| 928 |
function _getTypeNumber(sText, nCorrectLevel) { |
| 929 |
let nType = 1; |
| 930 |
const length = _getUTF8Length(sText); |
| 931 |
|
| 932 |
let i = 0; |
| 933 |
const len = QRCodeLimitLength.length; |
| 934 |
for (; i <= len; i++) { |
| 935 |
let nLimit = 0; |
| 936 |
|
| 937 |
switch (nCorrectLevel) { |
| 938 |
case QRErrorCorrectLevel.L: |
| 939 |
nLimit = QRCodeLimitLength[i][0]; |
| 940 |
break; |
| 941 |
case QRErrorCorrectLevel.M: |
| 942 |
nLimit = QRCodeLimitLength[i][1]; |
| 943 |
break; |
| 944 |
case QRErrorCorrectLevel.Q: |
| 945 |
nLimit = QRCodeLimitLength[i][2]; |
| 946 |
break; |
| 947 |
case QRErrorCorrectLevel.H: |
| 948 |
nLimit = QRCodeLimitLength[i][3]; |
| 949 |
break; |
| 950 |
} |
| 951 |
|
| 952 |
if (length <= nLimit) { |
| 953 |
break; |
| 954 |
} else { |
| 955 |
nType++; |
| 956 |
} |
| 957 |
} |
| 958 |
|
| 959 |
if (nType > QRCodeLimitLength.length) { |
| 960 |
throw new Error("Too long data"); |
| 961 |
} |
| 962 |
|
| 963 |
return nType; |
| 964 |
} |
| 965 |
|
| 966 |
function _getUTF8Length(sText) { |
| 967 |
const replacedText = encodeURI(sText).toString().replace(/\%[0-9a-fA-F]{2}/g, 'a'); |
| 968 |
return replacedText.length + (replacedText.length !== sText ? 3 : 0); |
| 969 |
} |
| 970 |
|
| 971 |
|
| 972 |
|
| 973 |
|
| 974 |
|
| 975 |
|
| 976 |
|
| 977 |
|
| 978 |
|
| 979 |
|
| 980 |
|
| 981 |
|
| 982 |
|
| 983 |
|
| 984 |
|
| 985 |
|
| 986 |
|
| 987 |
|
| 988 |
|
| 989 |
|
| 990 |
|
| 991 |
|
| 992 |
|
| 993 |
|
| 994 |
|
| 995 |
|
| 996 |
QRCode = function (el, vOption) { |
| 997 |
this._htOption = { |
| 998 |
width: 256, |
| 999 |
height: 256, |
| 1000 |
typeNumber: 4, |
| 1001 |
colorDark: "#000000", |
| 1002 |
colorLight: "#ffffff", |
| 1003 |
correctLevel: QRErrorCorrectLevel.H |
| 1004 |
}; |
| 1005 |
|
| 1006 |
if (typeof vOption === 'string') { |
| 1007 |
vOption = { |
| 1008 |
text: vOption |
| 1009 |
}; |
| 1010 |
} |
| 1011 |
|
| 1012 |
|
| 1013 |
if (vOption) { |
| 1014 |
for (let i in vOption) { |
| 1015 |
this._htOption[i] = vOption[i]; |
| 1016 |
} |
| 1017 |
} |
| 1018 |
|
| 1019 |
if (typeof el == "string") { |
| 1020 |
el = document.getElementById(el); |
| 1021 |
} |
| 1022 |
|
| 1023 |
if (this._htOption.useSVG) { |
| 1024 |
Drawing = svgDrawer; |
| 1025 |
} |
| 1026 |
|
| 1027 |
this._el = el; |
| 1028 |
this._oQRCode = null; |
| 1029 |
this._oDrawing = new Drawing(this._el, this._htOption); |
| 1030 |
|
| 1031 |
if (this._htOption.text) { |
| 1032 |
this.makeCode(this._htOption.text); |
| 1033 |
} |
| 1034 |
}; |
| 1035 |
|
| 1036 |
|
| 1037 |
|
| 1038 |
|
| 1039 |
|
| 1040 |
|
| 1041 |
QRCode.prototype.makeCode = function (sText) { |
| 1042 |
this._oQRCode = new QRCodeModel(_getTypeNumber(sText, this._htOption.correctLevel), this._htOption.correctLevel); |
| 1043 |
this._oQRCode.addData(sText); |
| 1044 |
this._oQRCode.make(); |
| 1045 |
this._el.title = sText; |
| 1046 |
this._oDrawing.draw(this._oQRCode); |
| 1047 |
this.makeImage(); |
| 1048 |
}; |
| 1049 |
|
| 1050 |
|
| 1051 |
|
| 1052 |
|
| 1053 |
|
| 1054 |
|
| 1055 |
|
| 1056 |
QRCode.prototype.makeImage = function () { |
| 1057 |
if (typeof this._oDrawing.makeImage == "function") { |
| 1058 |
this._oDrawing.makeImage(); |
| 1059 |
} |
| 1060 |
}; |
| 1061 |
|
| 1062 |
|
| 1063 |
|
| 1064 |
|
| 1065 |
QRCode.prototype.clear = function () { |
| 1066 |
this._oDrawing.clear(); |
| 1067 |
}; |
| 1068 |
|
| 1069 |
|
| 1070 |
|
| 1071 |
|
| 1072 |
QRCode.CorrectLevel = QRErrorCorrectLevel; |
| 1073 |
})(); |
| 1074 |
|
| 1075 |
export {QRCode}; |