diff --git a/README.md b/README.md index 407cd69..73fa8e3 100644 --- a/README.md +++ b/README.md @@ -7,3 +7,10 @@ All the implementations are based on JIS X 0510:1999. The word "QR Code" is registered trademark of DENSO WAVE INCORPORATED
http://www.denso-wave.com/qrcode/faqpatent-e.html + +---- + +This repository is a fork of the original with all programming languages. +It contains **only improvements for the JavaScript implementation**. +Please select the "improvements" branch to see the changes. +Other files have not been altered or regarded in any way. diff --git a/js/README.md b/js/README.md index a85af12..6b9cdd1 100644 --- a/js/README.md +++ b/js/README.md @@ -59,6 +59,10 @@ Make a QR Code. The number of modules(cells) for each orientation. _[Note] call make() before this function._ +#### getDarkCount() => number +The total number of modules(cells) that are dark in the final QR code. +_[Note] call make() before this function._ + #### isDark(row, col) => boolean The module at row and col is dark or not. _[Note] call make() before this function._ @@ -68,11 +72,35 @@ _[Note] call make() before this function._ | row | number | 0 ~ moduleCount - 1 | | col | number | 0 ~ moduleCount - 1 | +#### getTypeNumber() => number +Gets the code size type of the final QR code. +_[Note] call make() before this function._ + +#### getMaskPattern() => number +Gets the index of the mask pattern (0 to 7) that was used in the final QR code. +_[Note] call make() before this function._ + +#### getBestMaskPattern() => number +Gets the index of the mask pattern (0 to 7) that would be chosen for the QR code, based on its minimal penalty score. +_[Note] call make() before this function._ + +#### getMaskPatternPenaltyScores() => number[] +Gets the calculated penalty score for each mask pattern. Lower values make better QR codes. +_[Note] call make() before this function._ + +#### setMaskPattern(index) => void +Sets the index of the mask pattern (0 to 7) to use in the final QR code, regardless of which the best pattern would be. +Default to null, which selects the best pattern automatically. + +#### setColors(foreground, background) => void +Sets the foreground and background colors for the output formats. Default to black and white, respectively. +_[Note] This has no effect on the ASCII output._ + #### createDataURL(cellSize, margin) => string #### createImgTag(cellSize, margin, alt) => string #### createSvgTag(cellSize, margin) => string #### createTableTag(cellSize, margin) => string -#### createASCII(cellSize, margin) => string +#### createASCII(cellSize, margin, inverted) => string Helper functions for HTML. _[Note] call make() before these functions._ @@ -81,6 +109,7 @@ Helper functions for HTML. | cellSize | number | default: 2 | | margin | number | default: cellSize * 4 | | alt | string | (optional) | +| inverted | bool | (optional) | #### createSvgTag(opts) => string @@ -91,11 +120,11 @@ Helper functions for HTML. | opts.margin | number | default: cellSize * 4 | | opts.scalable | boolean | default: false | -#### renderTo2dContext(context, cellSize) => void +#### renderTo2dContext(context, cellSize, margin) => void --- +---- This implementation is based on JIS X 0510:1999. -The word 'QR Code' is registered trademark of DENSO WAVE INCORPORATED -
http://www.denso-wave.com/qrcode/faqpatent-e.html +The word 'QR Code' is registered trademark of DENSO WAVE INCORPORATED.
+https://www.qrcode.com/en/faq.html diff --git a/js/miniwebcompiler.json b/js/miniwebcompiler.json new file mode 100644 index 0000000..5312337 --- /dev/null +++ b/js/miniwebcompiler.json @@ -0,0 +1,8 @@ +{ + "projectName": "qrcode-generator", + "files": [ + { + "name": "qrcode.js" + } + ] +} diff --git a/js/qrcode.d.ts b/js/qrcode.d.ts index b34952e..c5b90be 100644 --- a/js/qrcode.d.ts +++ b/js/qrcode.d.ts @@ -11,7 +11,7 @@ // // The word 'QR Code' is registered trademark of // DENSO WAVE INCORPORATED -// http://www.denso-wave.com/qrcode/faqpatent-e.html +// https://www.qrcode.com/en/faq.html // //--------------------------------------------------------------------- @@ -31,8 +31,7 @@ interface QRCodeFactory { (typeNumber: TypeNumber, errorCorrectionLevel: ErrorCorrectionLevel) : QRCode; stringToBytes(s: string) : number[]; stringToBytesFuncs : { [encoding : string] : (s: string) => number[] }; - createStringToBytes(unicodeData: string, numChars: number) : - (s : string) => number[]; + createStringToBytes(unicodeData: string, numChars: number) : (s : string) => number[]; } interface QRCode { @@ -40,14 +39,14 @@ interface QRCode { make() : void; getModuleCount() : number; isDark(row: number, col: number) : boolean; - createImgTag(cellSize?: number, margin?: number) : string; - createSvgTag(cellSize?: number, margin?: number) : string; - createSvgTag(opts? : { cellSize?: number, margin?: number, - scalable?: boolean }) : string; + setColors(foreground: string, background: string) : void; + createImgTag(cellSize?: number, margin?: number, alt?: string) : string; + createSvgTag(cellSize?: number, margin?: number, alt?: string, title?: string) : string; + createSvgTag(opts? : { cellSize?: number, margin?: number, scalable?: boolean }) : string; createDataURL(cellSize?: number, margin?: number) : string; createTableTag(cellSize?: number, margin?: number) : string; - createASCII(cellSize?: number, margin?: number) : string; - renderTo2dContext(context: CanvasRenderingContext2D, cellSize?: number): void; + createASCII(cellSize?: number, margin?: number, inverted?: boolean) : string; + renderTo2dContext(context: CanvasRenderingContext2D, cellSize?: number, margin?: number): void; } declare var qrcode : QRCodeFactory; diff --git a/js/qrcode.js b/js/qrcode.js index 76889b5..5755d4d 100644 --- a/js/qrcode.js +++ b/js/qrcode.js @@ -3,6 +3,7 @@ // QR Code Generator for JavaScript // // Copyright (c) 2009 Kazuhiko Arase +// Improved 2020-2021 by Yves Goergen, ygoe.de // // URL: http://www.d-project.com/ // @@ -11,2287 +12,2315 @@ // // The word 'QR Code' is registered trademark of // DENSO WAVE INCORPORATED -// http://www.denso-wave.com/qrcode/faqpatent-e.html +// https://www.qrcode.com/en/faq.html // //--------------------------------------------------------------------- -var qrcode = function() { +var qrcode = function () { + + //--------------------------------------------------------------------- + // qrcode + //--------------------------------------------------------------------- + + /** + * qrcode + * @param typeNumber 1 to 40 + * @param errorCorrectionLevel 'L','M','Q','H' + */ + var qrcode = function (typeNumber, errorCorrectionLevel) { + let PAD0 = 0xEC; + let PAD1 = 0x11; + + let _typeNumber = typeNumber; + let _errorCorrectionLevel = QRErrorCorrectionLevel[errorCorrectionLevel]; + let _modules = null; + let _moduleCount = 0; + let _dataCache = null; + let _dataList = []; + let _foreground = "black"; + let _background = "white"; + let _maskPatternOverride = null; + let _maskPattern; + let _bestMaskPattern; + let _maskPatternPenaltyScores = []; + let _this = {}; + + var makeImpl = function (test, maskPattern) { + _moduleCount = _typeNumber * 4 + 17; + _modules = function (moduleCount) { + let modules = new Array(moduleCount); + for (let row = 0; row < moduleCount; row++) { + modules[row] = new Array(moduleCount); + for (let col = 0; col < moduleCount; col++) { + modules[row][col] = null; + } + } + return modules; + }(_moduleCount); + + setupPositionProbePattern(0, 0); + setupPositionProbePattern(_moduleCount - 7, 0); + setupPositionProbePattern(0, _moduleCount - 7); + setupPositionAdjustPattern(); + setupTimingPattern(); + setupTypeInfo(test, maskPattern); + + if (_typeNumber >= 7) { + setupTypeNumber(test); + } + if (_dataCache === null) { + _dataCache = createData(_typeNumber, _errorCorrectionLevel, _dataList); + } + + mapData(_dataCache, maskPattern); + }; + + var setupPositionProbePattern = function (row, col) { + for (let r = -1; r <= 7; r++) { + if (row + r <= -1 || row + r >= _moduleCount) + continue; + for (let c = -1; c <= 7; c++) { + if (col + c <= -1 || col + c >= _moduleCount) + 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)) { + _modules[row + r][col + c] = true; + } + else { + _modules[row + r][col + c] = false; + } + } + } + }; + + var getBestMaskPattern = function () { + let minPenaltyScore = 0; + let bestPattern = 0; + _maskPatternPenaltyScores = []; + + for (let i = 0; i < 8; i++) { + makeImpl(true, i); + + let penaltyScore = QRUtil.getPenaltyScore(_this); + _maskPatternPenaltyScores.push(penaltyScore); + if (i === 0 || penaltyScore < minPenaltyScore) { + minPenaltyScore = penaltyScore; + bestPattern = i; + } + } + return bestPattern; + }; + + var setupTimingPattern = function () { + for (let r = 8; r < _moduleCount - 8; r++) { + if (_modules[r][6] !== null) + continue; + _modules[r][6] = (r % 2 === 0); + } + for (let c = 8; c < _moduleCount - 8; c++) { + if (_modules[6][c] !== null) + continue; + _modules[6][c] = (c % 2 === 0); + } + }; + + var setupPositionAdjustPattern = function () { + let pos = QRUtil.getPatternPosition(_typeNumber); + + for (let i = 0; i < pos.length; i++) { + for (let j = 0; j < pos.length; j++) { + let row = pos[i]; + let col = pos[j]; + + if (_modules[row][col] !== null) + continue; + + for (let r = -2; r <= 2; r++) { + for (let c = -2; c <= 2; c++) { + if (r === -2 || r === 2 || c === -2 || c === 2 || + (r === 0 && c === 0)) { + _modules[row + r][col + c] = true; + } + else { + _modules[row + r][col + c] = false; + } + } + } + } + } + }; + + var setupTypeNumber = function (test) { + let bits = QRUtil.getBCHTypeNumber(_typeNumber); + + for (let i = 0; i < 18; i++) { + let mod = (!test && ((bits >> i) & 1) === 1); + _modules[Math.floor(i / 3)][i % 3 + _moduleCount - 8 - 3] = mod; + } + for (let i = 0; i < 18; i++) { + let mod = (!test && ((bits >> i) & 1) === 1); + _modules[i % 3 + _moduleCount - 8 - 3][Math.floor(i / 3)] = mod; + } + }; + + var setupTypeInfo = function (test, maskPattern) { + let data = (_errorCorrectionLevel << 3) | maskPattern; + let bits = QRUtil.getBCHTypeInfo(data); + + // vertical + for (let i = 0; i < 15; i++) { + let mod = (!test && ((bits >> i) & 1) === 1); + + if (i < 6) { + _modules[i][8] = mod; + } + else if (i < 8) { + _modules[i + 1][8] = mod; + } + else { + _modules[_moduleCount - 15 + i][8] = mod; + } + } + + // horizontal + for (let i = 0; i < 15; i++) { + let mod = (!test && ((bits >> i) & 1) === 1); + + if (i < 8) { + _modules[8][_moduleCount - i - 1] = mod; + } + else if (i < 9) { + _modules[8][15 - i - 1 + 1] = mod; + } + else { + _modules[8][15 - i - 1] = mod; + } + } + + // fixed module + _modules[_moduleCount - 8][8] = (!test); + }; + + var mapData = function (data, maskPattern) { + let inc = -1; + let row = _moduleCount - 1; + let bitIndex = 7; + let byteIndex = 0; + let maskFunc = QRUtil.getMaskFunction(maskPattern); + + for (let col = _moduleCount - 1; col > 0; col -= 2) { + if (col === 6) + col -= 1; + + while (true) { + for (let c = 0; c < 2; c++) { + if (_modules[row][col - c] === null) { + let dark = false; + if (byteIndex < data.length) + dark = (((data[byteIndex] >>> bitIndex) & 1) === 1); + + let mask = maskFunc(row, col - c); + if (mask) + dark = !dark; + + _modules[row][col - c] = dark; + bitIndex -= 1; + + if (bitIndex === -1) { + byteIndex++; + bitIndex = 7; + } + } + } + + row += inc; + if (row < 0 || row >= _moduleCount) { + row -= inc; + inc = -inc; + break; + } + } + } + }; + + var createBytes = function (buffer, rsBlocks) { + let offset = 0; + let maxDcCount = 0; + let maxEcCount = 0; + let dcdata = new Array(rsBlocks.length); + let ecdata = new Array(rsBlocks.length); + + for (let r = 0; r < rsBlocks.length; r++) { + let dcCount = rsBlocks[r].dataCount; + let ecCount = rsBlocks[r].totalCount - dcCount; + + maxDcCount = Math.max(maxDcCount, dcCount); + maxEcCount = Math.max(maxEcCount, ecCount); + + dcdata[r] = new Array(dcCount); + + for (let i = 0; i < dcdata[r].length; i++) { + dcdata[r][i] = 0xff & buffer.getBuffer()[i + offset]; + } + offset += dcCount; + + let rsPoly = QRUtil.getErrorCorrectPolynomial(ecCount); + let rawPoly = qrPolynomial(dcdata[r], rsPoly.getLength() - 1); + + let modPoly = rawPoly.mod(rsPoly); + ecdata[r] = new Array(rsPoly.getLength() - 1); + for (let i = 0; i < ecdata[r].length; i++) { + let modIndex = i + modPoly.getLength() - ecdata[r].length; + ecdata[r][i] = (modIndex >= 0) ? modPoly.getAt(modIndex) : 0; + } + } + + let totalCodeCount = 0; + for (let i = 0; i < rsBlocks.length; i++) { + totalCodeCount += rsBlocks[i].totalCount; + } + + let data = new Array(totalCodeCount); + let index = 0; + for (let i = 0; i < maxDcCount; i++) { + for (let r = 0; r < rsBlocks.length; r++) { + if (i < dcdata[r].length) { + data[index] = dcdata[r][i]; + index++; + } + } + } + for (let i = 0; i < maxEcCount; i++) { + for (let r = 0; r < rsBlocks.length; r++) { + if (i < ecdata[r].length) { + data[index] = ecdata[r][i]; + index++; + } + } + } + return data; + }; + + var createData = function (typeNumber, errorCorrectionLevel, dataList) { + let rsBlocks = QRRSBlock.getRSBlocks(typeNumber, errorCorrectionLevel); + let buffer = qrBitBuffer(); + + for (let i = 0; i < dataList.length; i++) { + let data = dataList[i]; + buffer.put(data.getMode(), 4); + buffer.put(data.getLength(), QRUtil.getLengthInBits(data.getMode(), typeNumber)); + data.write(buffer); + } + + // calc num max data. + let totalDataCount = 0; + for (let i = 0; i < rsBlocks.length; i++) { + totalDataCount += rsBlocks[i].dataCount; + } + + if (buffer.getLengthInBits() > totalDataCount * 8) { + throw 'code length overflow. (' + buffer.getLengthInBits() + '>' + totalDataCount * 8 + ')'; + } + + // end code + if (buffer.getLengthInBits() + 4 <= totalDataCount * 8) { + buffer.put(0, 4); + } + + // padding + while (buffer.getLengthInBits() % 8 !== 0) { + buffer.putBit(false); + } + + // padding + while (true) { + if (buffer.getLengthInBits() >= totalDataCount * 8) { + break; + } + buffer.put(PAD0, 8); + + if (buffer.getLengthInBits() >= totalDataCount * 8) { + break; + } + buffer.put(PAD1, 8); + } + return createBytes(buffer, rsBlocks); + }; + + _this.addData = function (data, mode) { + mode = mode || 'Byte'; + + let newData = null; + switch (mode) { + case 'Numeric': + newData = qrNumber(data); + break; + case 'Alphanumeric': + newData = qrAlphaNum(data); + break; + case 'Byte': + newData = qr8BitByte(data); + break; + case 'Kanji': + newData = qrKanji(data); + break; + default: + throw 'mode:' + mode; + } + + _dataList.push(newData); + _dataCache = null; + }; + + _this.isDark = function (row, col) { + if (row < 0 || row >= _moduleCount || col < 0 || col >= _moduleCount) { + throw row + ',' + col; + } + return _modules[row][col]; + }; + + _this.getModuleCount = function () { + return _moduleCount; + }; + + _this.getDarkCount = function () { + let count = 0; + for (let row = 0; row < _moduleCount; row++) { + for (let col = 0; col < _moduleCount; col++) { + if (_modules[row][col]) + count++; + } + } + return count; + }; + + _this.make = function () { + if (_typeNumber < 1) { + let typeNumber = 1; + + for (; typeNumber < 40; typeNumber++) { + let rsBlocks = QRRSBlock.getRSBlocks(typeNumber, _errorCorrectionLevel); + let buffer = qrBitBuffer(); + + for (let i = 0; i < _dataList.length; i++) { + let data = _dataList[i]; + buffer.put(data.getMode(), 4); + buffer.put(data.getLength(), QRUtil.getLengthInBits(data.getMode(), typeNumber)); + data.write(buffer); + } + + let totalDataCount = 0; + for (let i = 0; i < rsBlocks.length; i++) { + totalDataCount += rsBlocks[i].dataCount; + } + + if (buffer.getLengthInBits() <= totalDataCount * 8) { + break; + } + } + + _typeNumber = typeNumber; + } + + _maskPattern = getBestMaskPattern(); + _bestMaskPattern = _maskPattern; + if (_maskPatternOverride !== null) + _maskPattern = _maskPatternOverride; + makeImpl(false, _maskPattern); + }; + + _this.getTypeNumber = function () { + return _typeNumber; + }; + + _this.getMaskPattern = function () { + return _maskPattern; + }; + + _this.getBestMaskPattern = function () { + return _bestMaskPattern; + }; + + _this.getMaskPatternPenaltyScores = function () { + return _maskPatternPenaltyScores; + }; + + _this.setMaskPattern = function (maskPattern) { + _maskPatternOverride = maskPattern; + }; + + _this.setColors = function (foreground, background) { + _foreground = simplifyColor(foreground); + _background = simplifyColor(background); + + function simplifyColor(c) { + if (c.match(/^#[0-9A-Fa-f]{6}$/) && c[1] === c[2] && c[3] === c[4] && c[5] === c[6]) + c = "#" + c[1] + c[3] + c[5]; + return c; + } + }; + + _this.createTableTag = function (cellSize, margin) { + cellSize = cellSize || 2; + margin = (typeof margin === 'undefined') ? cellSize * 4 : margin; + + let qrHtml = ''; + qrHtml += ''; + + for (let r = 0; r < _this.getModuleCount(); r++) { + qrHtml += ''; + for (let c = 0; c < _this.getModuleCount(); c++) { + qrHtml += ''; + } + qrHtml += '
'; + } + qrHtml += '
'; + return qrHtml; + }; + + _this.createSvgTag = function (cellSize, margin, alt, title) { + let opts = {}; + if (typeof arguments[0] === 'object') { + // Called by options. + opts = arguments[0]; + // overwrite cellSize and margin. + cellSize = opts.cellSize; + margin = opts.margin; + alt = opts.alt; + title = opts.title; + } + + cellSize = cellSize || 2; + margin = (typeof margin === 'undefined') ? cellSize * 4 : margin; + + // Compose alt property surrogate + alt = (typeof alt === 'string') ? { text: alt } : alt || {}; + alt.text = alt.text || null; + alt.id = (alt.text) ? alt.id || 'qrcode-description' : null; + + // Compose title property surrogate + title = (typeof title === 'string') ? { text: title } : title || {}; + title.text = title.text || null; + title.id = (title.text) ? title.id || 'qrcode-title' : null; + + let size = _this.getModuleCount() * cellSize + margin * 2; + let qrSvg = ''; + qrSvg += '' + + escapeXml(title.text) + '' : ''; + qrSvg += (alt.text) ? '' + + escapeXml(alt.text) + '' : ''; + qrSvg += ''; + + const moduleCount = _this.getModuleCount(); + const pointEquals = function (a, b) { + return a[0] === b[0] && a[1] === b[1]; + }; + + // Mark all four edges of each square in clockwise drawing direction + const edges = []; + for (let row = 0; row < moduleCount; row++) { + for (let col = 0; col < moduleCount; col++) { + if (_this.isDark(row, col)) { + const x0 = col * cellSize + margin; + const y0 = row * cellSize + margin; + const x1 = (col + 1) * cellSize + margin; + const y1 = (row + 1) * cellSize + margin; + edges.push([[x0, y0], [x1, y0]]); // top edge (to right) + edges.push([[x1, y0], [x1, y1]]); // right edge (down) + edges.push([[x1, y1], [x0, y1]]); // bottom edge (to left) + edges.push([[x0, y1], [x0, y0]]); // left edge (up) + } + } + } + + // Edges that exist in both directions cancel each other (connecting the rectangles) + for (let i = edges.length - 1; i >= 0; i--) { + for (let j = i - 1; j >= 0; j--) { + if (pointEquals(edges[i][0], edges[j][1]) && + pointEquals(edges[i][1], edges[j][0])) { + // First remove index i, it's greater than j + edges.splice(i, 1); + edges.splice(j, 1); + i--; + break; + } + } + } + + let polygons = []; + while (edges.length > 0) { + // Pick a random edge and follow its connected edges to form a path (remove used edges) + // If there are multiple connected edges, pick the first + // Stop when the starting point of this path is reached + let polygon = []; + polygons.push(polygon); + let edge = edges.splice(0, 1)[0]; + polygon.push(edge[0]); + polygon.push(edge[1]); + do { + let foundEdge = false; + for (let i = 0; i < edges.length; i++) { + if (pointEquals(edges[i][0], edge[1])) { + // Found an edge that starts at the last edge's end + foundEdge = true; + edge = edges.splice(i, 1)[0]; + let p1 = polygon[polygon.length - 2]; // polygon's second-last point + let p2 = polygon[polygon.length - 1]; // polygon's current end + let p3 = edge[1]; // new point + // Extend polygon end if it's continuing in the same direction + if (p1[0] === p2[0] && // polygon ends vertical + p2[0] === p3[0]) { // new point is vertical, too + polygon[polygon.length - 1][1] = p3[1]; + } + else if (p1[1] === p2[1] && // polygon ends horizontal + p2[1] === p3[1]) { // new point is horizontal, too + polygon[polygon.length - 1][0] = p3[0]; + } + else { + polygon.push(p3); // new direction + } + break; + } + } + if (!foundEdge) + throw new Error("no next edge found at", edge[1]); + } + while (!pointEquals(polygon[polygon.length - 1], polygon[0])); + + // Move polygon's start and end point into a corner + if (polygon[0][0] === polygon[1][0] && + polygon[polygon.length - 2][0] === polygon[polygon.length - 1][0]) { + // start/end is along a vertical line + polygon.length--; + polygon[0][1] = polygon[polygon.length - 1][1]; + } + else if (polygon[0][1] === polygon[1][1] && + polygon[polygon.length - 2][1] === polygon[polygon.length - 1][1]) { + // start/end is along a horizontal line + polygon.length--; + polygon[0][0] = polygon[polygon.length - 1][0]; + } + } + // Repeat until there are no more unused edges + + // If two paths touch in at least one point, pick such a point and include one path in the other's sequence of points + for (let i = 0; i < polygons.length; i++) { + const polygon = polygons[i]; + for (let j = 0; j < polygon.length; j++) { + const point = polygon[j]; + for (let k = i + 1; k < polygons.length; k++) { + const polygon2 = polygons[k]; + for (let l = 0; l < polygon2.length - 1; l++) { // exclude end point (same as start) + const point2 = polygon2[l]; + if (pointEquals(point, point2)) { + // Embed polygon2 into polygon + if (l > 0) { + // Touching point is not other polygon's start/end + polygon.splice.apply(polygon, [j + 1, 0].concat( + polygon2.slice(1, l + 1))); + } + polygon.splice.apply(polygon, [j + 1, 0].concat( + polygon2.slice(l + 1))); + polygons.splice(k, 1); + k--; + break; + } + } + } + } + } + + // Generate SVG path data + let d = ""; + for (let i = 0; i < polygons.length; i++) { + const polygon = polygons[i]; + d += "M" + polygon[0][0] + "," + polygon[0][1]; + for (let j = 1; j < polygon.length; j++) { + if (polygon[j][0] === polygon[j - 1][0]) + d += "v" + (polygon[j][1] - polygon[j - 1][1]); + else + d += "h" + (polygon[j][0] - polygon[j - 1][0]); + } + d += "z"; + } + + qrSvg += ''; + qrSvg += ''; + + return qrSvg; + }; + + _this.createDataURL = function (cellSize, margin) { + cellSize = cellSize || 2; + margin = (typeof margin === 'undefined') ? cellSize * 4 : margin; + + let size = _this.getModuleCount() * cellSize + margin * 2; + let min = margin; + let max = size - margin; + + return createDataURL(size, size, _foreground, _background, function (x, y) { + if (min <= x && x < max && min <= y && y < max) { + let c = Math.floor((x - min) / cellSize); + let r = Math.floor((y - min) / cellSize); + return _this.isDark(r, c) ? 0 : 1; + } + else { + return 1; + } + }); + }; + + _this.createImgTag = function (cellSize, margin, alt) { + cellSize = cellSize || 2; + margin = (typeof margin === 'undefined') ? cellSize * 4 : margin; + + let size = _this.getModuleCount() * cellSize + margin * 2; + + let img = ''; + img += '': escaped += '>'; break; + case '&': escaped += '&'; break; + case '"': escaped += '"'; break; + default: escaped += c; break; + } + } + return escaped; + }; + + var _createHalfASCII = function (margin, inverted) { + let cellSize = 1; + margin = (typeof margin === 'undefined') ? cellSize * 2 : margin; + + let size = _this.getModuleCount() * cellSize + margin * 2; + let min = margin; + let max = size - margin; + let y, x, r1, r2, p; + + let blocks = { + '██': '█', + '█ ': '▀', + ' █': '▄', + ' ': '\xa0' + }; + let blocksLastLineNoMargin = { + '██': '▀', + '█ ': '▀', + ' █': '\xa0', + ' ': '\xa0' + }; + + let ascii = ''; + for (y = 0; y < size; y += 2) { + r1 = Math.floor((y - min) / cellSize); + r2 = Math.floor((y + 1 - min) / cellSize); + for (x = 0; x < size; x++) { + p = inverted ? '█' : ' '; + + if (min <= x && x < max && min <= y && y < max && _this.isDark(r1, Math.floor((x - min) / cellSize))) { + p = inverted ? ' ' : '█'; + } + + if (min <= x && x < max && min <= y + 1 && y + 1 < max && _this.isDark(r2, Math.floor((x - min) / cellSize))) { + p += inverted ? ' ' : '█'; + } + else { + p += inverted ? '█' : ' '; + } + + // Output 2 characters per pixel, to create full square. 1 character per pixels gives only half width of square. + ascii += (margin < 1 && y + 1 >= max) ? blocksLastLineNoMargin[p] : blocks[p]; + } + ascii += '\n'; + } + + if (size % 2 && margin > 0) { + return ascii.substring(0, ascii.length - size - 1) + Array(size + 1).join(inverted ? '▀' : '\xa0'); + } + return ascii.substring(0, ascii.length - 1); + }; + + _this.createASCII = function (cellSize, margin, inverted) { + cellSize = cellSize || 1; + if (cellSize < 2) + return _createHalfASCII(margin, inverted); + + cellSize -= 1; + margin = (typeof margin === 'undefined') ? cellSize * 2 : margin / (cellSize + 1) * cellSize; + + let size = _this.getModuleCount() * cellSize + margin * 2; + let min = margin; + let max = size - margin; + let y, x, r, p; + + let white = '\xa0\xa0'; + let black = '██'; + if (inverted) { + let b = black; + black = white; + white = b; + } + + let ascii = ''; + let line = ''; + for (y = 0; y < size; y++) { + r = Math.floor((y - min) / cellSize); + line = ''; + for (x = 0; x < size; x++) { + p = 1; + if (min <= x && x < max && min <= y && y < max && _this.isDark(r, Math.floor((x - min) / cellSize))) { + p = 0; + } + + // Output 2 characters per pixel, to create full square. 1 character per pixels gives only half width of square. + line += p ? white : black; + } + ascii += line + '\n'; + } + return ascii.substring(0, ascii.length - 1); + }; + + _this.renderTo2dContext = function (context, cellSize, margin) { + cellSize = cellSize || 2; + margin = (typeof margin === 'undefined') ? cellSize * 4 : margin; + let length = _this.getModuleCount(); + if (margin > 0) { + context.fillStyle = _background; + context.fillRect(0, 0, length * cellSize + margin * 2, length * cellSize + margin * 2); + } + for (let row = 0; row < length; row++) { + for (let col = 0; col < length; col++) { + context.fillStyle = _this.isDark(row, col) ? _foreground : _background; + context.fillRect(margin + col * cellSize, margin + row * cellSize, cellSize, cellSize); + } + } + } + + return _this; + }; + + //--------------------------------------------------------------------- + // qrcode.stringToBytes + //--------------------------------------------------------------------- + + qrcode.stringToBytesFuncs = { + 'default': function (s) { + let bytes = []; + for (let i = 0; i < s.length; i++) { + let c = s.charCodeAt(i); + bytes.push(c & 0xff); + } + return bytes; + } + }; + + qrcode.stringToBytes = qrcode.stringToBytesFuncs['default']; + + //--------------------------------------------------------------------- + // qrcode.createStringToBytes + //--------------------------------------------------------------------- + + /** + * @param unicodeData base64 string of byte array. + * [16bit Unicode],[16bit Bytes], ... + * @param numChars + */ + qrcode.createStringToBytes = function (unicodeData, numChars) { + // create conversion map. + + var unicodeMap = function () { + let bin = base64DecodeInputStream(unicodeData); + let read = function () { + let b = bin.read(); + if (b === -1) throw 'eof'; + return b; + }; + + let count = 0; + let unicodeMap = {}; + while (true) { + let b0 = bin.read(); + if (b0 === -1) break; + let b1 = read(); + let b2 = read(); + let b3 = read(); + let k = String.fromCharCode((b0 << 8) | b1); + let v = (b2 << 8) | b3; + unicodeMap[k] = v; + count++; + } + if (count !== numChars) { + throw count + ' != ' + numChars; + } + return unicodeMap; + }(); + + let unknownChar = '?'.charCodeAt(0); + + return function (s) { + let bytes = []; + for (let i = 0; i < s.length; i++) { + let c = s.charCodeAt(i); + if (c < 128) { + bytes.push(c); + } + else { + let b = unicodeMap[s.charAt(i)]; + if (typeof b === 'number') { + if ((b & 0xff) === b) { + // 1byte + bytes.push(b); + } + else { + // 2bytes + bytes.push(b >>> 8); + bytes.push(b & 0xff); + } + } + else { + bytes.push(unknownChar); + } + } + } + return bytes; + }; + }; + + //--------------------------------------------------------------------- + // QRMode + //--------------------------------------------------------------------- + + var QRMode = { + MODE_NUMBER: 1 << 0, + MODE_ALPHA_NUM: 1 << 1, + MODE_8BIT_BYTE: 1 << 2, + MODE_KANJI: 1 << 3 + }; + + //--------------------------------------------------------------------- + // QRErrorCorrectionLevel + //--------------------------------------------------------------------- + + var QRErrorCorrectionLevel = { + L: 1, + M: 0, + Q: 3, + H: 2 + }; + + //--------------------------------------------------------------------- + // QRMaskPattern + //--------------------------------------------------------------------- + + var QRMaskPattern = { + PATTERN000: 0, + PATTERN001: 1, + PATTERN010: 2, + PATTERN011: 3, + PATTERN100: 4, + PATTERN101: 5, + PATTERN110: 6, + PATTERN111: 7 + }; + + //--------------------------------------------------------------------- + // QRUtil + //--------------------------------------------------------------------- + + var QRUtil = function () { + let 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] + ]; + let G15 = (1 << 10) | (1 << 8) | (1 << 5) | (1 << 4) | (1 << 2) | (1 << 1) | (1 << 0); + let G18 = (1 << 12) | (1 << 11) | (1 << 10) | (1 << 9) | (1 << 8) | (1 << 5) | (1 << 2) | (1 << 0); + let G15_MASK = (1 << 14) | (1 << 12) | (1 << 10) | (1 << 4) | (1 << 1); + + let _this = {}; + + var getBCHDigit = function (data) { + let digit = 0; + while (data !== 0) { + digit++; + data >>>= 1; + } + return digit; + }; + + _this.getBCHTypeInfo = function (data) { + let d = data << 10; + while (getBCHDigit(d) - getBCHDigit(G15) >= 0) { + d ^= (G15 << (getBCHDigit(d) - getBCHDigit(G15))); + } + return ((data << 10) | d) ^ G15_MASK; + }; + + _this.getBCHTypeNumber = function (data) { + let d = data << 12; + while (getBCHDigit(d) - getBCHDigit(G18) >= 0) { + d ^= (G18 << (getBCHDigit(d) - getBCHDigit(G18))); + } + return (data << 12) | d; + }; + + _this.getPatternPosition = function (typeNumber) { + return PATTERN_POSITION_TABLE[typeNumber - 1]; + }; + + _this.getMaskFunction = function (maskPattern) { + switch (maskPattern) { + case QRMaskPattern.PATTERN000: + return function (i, j) { return (i + j) % 2 === 0; }; + case QRMaskPattern.PATTERN001: + return function (i, j) { return i % 2 === 0; }; + case QRMaskPattern.PATTERN010: + return function (i, j) { return j % 3 === 0; }; + case QRMaskPattern.PATTERN011: + return function (i, j) { return (i + j) % 3 === 0; }; + case QRMaskPattern.PATTERN100: + return function (i, j) { return (Math.floor(i / 2) + Math.floor(j / 3)) % 2 === 0; }; + case QRMaskPattern.PATTERN101: + return function (i, j) { return (i * j) % 2 + (i * j) % 3 === 0; }; + case QRMaskPattern.PATTERN110: + return function (i, j) { return ((i * j) % 2 + (i * j) % 3) % 2 === 0; }; + case QRMaskPattern.PATTERN111: + return function (i, j) { return ((i * j) % 3 + (i + j) % 2) % 2 === 0; }; + default: + throw 'bad maskPattern:' + maskPattern; + } + }; + + _this.getErrorCorrectPolynomial = function (errorCorrectLength) { + let a = qrPolynomial([1], 0); + for (let i = 0; i < errorCorrectLength; i++) { + a = a.multiply(qrPolynomial([1, QRMath.gexp(i)], 0)); + } + return a; + }; + + _this.getLengthInBits = function (mode, type) { + if (1 <= type && type < 10) { + // 1 - 9 + switch (mode) { + case QRMode.MODE_NUMBER: return 10; + case QRMode.MODE_ALPHA_NUM: return 9; + case QRMode.MODE_8BIT_BYTE: return 8; + case QRMode.MODE_KANJI: return 8; + default: + throw 'mode:' + mode; + } + } + else if (type < 27) { + // 10 - 26 + switch (mode) { + case QRMode.MODE_NUMBER: return 12; + case QRMode.MODE_ALPHA_NUM: return 11; + case QRMode.MODE_8BIT_BYTE: return 16; + case QRMode.MODE_KANJI: return 10; + default: + throw 'mode:' + mode; + } + } + else if (type < 41) { + // 27 - 40 + switch (mode) { + case QRMode.MODE_NUMBER: return 14; + case QRMode.MODE_ALPHA_NUM: return 13; + case QRMode.MODE_8BIT_BYTE: return 16; + case QRMode.MODE_KANJI: return 12; + default: + throw 'mode:' + mode; + } + } + else { + throw 'type:' + type; + } + }; + + _this.getPenaltyScore = function (qrcode) { + let moduleCount = qrcode.getModuleCount(); + let penaltyScore = 0; + + // LEVEL1 + + for (let row = 0; row < moduleCount; row++) { + for (let col = 0; col < moduleCount; col++) { + let sameCount = 0; + let 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) { + penaltyScore += (3 + sameCount - 5); + } + } + }; + + // LEVEL2 + + for (let row = 0; row < moduleCount - 1; row++) { + for (let 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) { + penaltyScore += 3; + } + } + } + + // LEVEL3 + + for (let row = 0; row < moduleCount; row++) { + for (let 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)) { + penaltyScore += 40; + } + } + } + + for (let col = 0; col < moduleCount; col++) { + for (let 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)) { + penaltyScore += 40; + } + } + } + + // LEVEL4 + + let darkCount = 0; + + for (let col = 0; col < moduleCount; col++) { + for (let row = 0; row < moduleCount; row++) { + if (qrcode.isDark(row, col)) { + darkCount++; + } + } + } + + let ratio = Math.abs(100 * darkCount / moduleCount / moduleCount - 50) / 5; + penaltyScore += ratio * 10; + return penaltyScore; + }; + + return _this; + }(); + + //--------------------------------------------------------------------- + // QRMath + //--------------------------------------------------------------------- + + var QRMath = function () { + let EXP_TABLE = new Array(256); + let LOG_TABLE = new Array(256); + + // initialize tables + for (let i = 0; i < 8; i++) { + EXP_TABLE[i] = 1 << i; + } + for (let i = 8; i < 256; i++) { + EXP_TABLE[i] = EXP_TABLE[i - 4] ^ + EXP_TABLE[i - 5] ^ + EXP_TABLE[i - 6] ^ + EXP_TABLE[i - 8]; + } + for (let i = 0; i < 255; i++) { + LOG_TABLE[EXP_TABLE[i]] = i; + } + + let _this = {}; + + _this.glog = function (n) { + if (n < 1) + throw 'glog(' + n + ')'; + + return LOG_TABLE[n]; + }; + + _this.gexp = function (n) { + while (n < 0) { + n += 255; + } + while (n >= 256) { + n -= 255; + } + return EXP_TABLE[n]; + }; + + return _this; + }(); + + //--------------------------------------------------------------------- + // qrPolynomial + //--------------------------------------------------------------------- + + function qrPolynomial(num, shift) { + if (typeof num.length === 'undefined') + throw num.length + '/' + shift; + + let _num = function () { + let offset = 0; + while (offset < num.length && num[offset] === 0) { + offset++; + } + let _num = new Array(num.length - offset + shift); + for (let i = 0; i < num.length - offset; i++) { + _num[i] = num[i + offset]; + } + return _num; + }(); + + let _this = {}; + + _this.getAt = function (index) { + return _num[index]; + }; + + _this.getLength = function () { + return _num.length; + }; + + _this.multiply = function (e) { + let 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.getAt(i)) + QRMath.glog(e.getAt(j))); + } + } + return qrPolynomial(num, 0); + }; + + _this.mod = function (e) { + if (_this.getLength() - e.getLength() < 0) + return _this; + + let ratio = QRMath.glog(_this.getAt(0)) - QRMath.glog(e.getAt(0)); + let num = new Array(_this.getLength()); + for (let i = 0; i < _this.getLength(); i++) { + num[i] = _this.getAt(i); + } + for (let i = 0; i < e.getLength(); i++) { + num[i] ^= QRMath.gexp(QRMath.glog(e.getAt(i)) + ratio); + } + + // recursive call + return qrPolynomial(num, 0).mod(e); + }; + + return _this; + }; + + //--------------------------------------------------------------------- + // QRRSBlock + //--------------------------------------------------------------------- + + var QRRSBlock = function () { + let RS_BLOCK_TABLE = [ + // L + // M + // Q + // H + + // 1 + [1, 26, 19], + [1, 26, 16], + [1, 26, 13], + [1, 26, 9], + + // 2 + [1, 44, 34], + [1, 44, 28], + [1, 44, 22], + [1, 44, 16], + + // 3 + [1, 70, 55], + [1, 70, 44], + [2, 35, 17], + [2, 35, 13], + + // 4 + [1, 100, 80], + [2, 50, 32], + [2, 50, 24], + [4, 25, 9], + + // 5 + [1, 134, 108], + [2, 67, 43], + [2, 33, 15, 2, 34, 16], + [2, 33, 11, 2, 34, 12], + + // 6 + [2, 86, 68], + [4, 43, 27], + [4, 43, 19], + [4, 43, 15], + + // 7 + [2, 98, 78], + [4, 49, 31], + [2, 32, 14, 4, 33, 15], + [4, 39, 13, 1, 40, 14], + + // 8 + [2, 121, 97], + [2, 60, 38, 2, 61, 39], + [4, 40, 18, 2, 41, 19], + [4, 40, 14, 2, 41, 15], + + // 9 + [2, 146, 116], + [3, 58, 36, 2, 59, 37], + [4, 36, 16, 4, 37, 17], + [4, 36, 12, 4, 37, 13], + + // 10 + [2, 86, 68, 2, 87, 69], + [4, 69, 43, 1, 70, 44], + [6, 43, 19, 2, 44, 20], + [6, 43, 15, 2, 44, 16], + + // 11 + [4, 101, 81], + [1, 80, 50, 4, 81, 51], + [4, 50, 22, 4, 51, 23], + [3, 36, 12, 8, 37, 13], + + // 12 + [2, 116, 92, 2, 117, 93], + [6, 58, 36, 2, 59, 37], + [4, 46, 20, 6, 47, 21], + [7, 42, 14, 4, 43, 15], + + // 13 + [4, 133, 107], + [8, 59, 37, 1, 60, 38], + [8, 44, 20, 4, 45, 21], + [12, 33, 11, 4, 34, 12], + + // 14 + [3, 145, 115, 1, 146, 116], + [4, 64, 40, 5, 65, 41], + [11, 36, 16, 5, 37, 17], + [11, 36, 12, 5, 37, 13], + + // 15 + [5, 109, 87, 1, 110, 88], + [5, 65, 41, 5, 66, 42], + [5, 54, 24, 7, 55, 25], + [11, 36, 12, 7, 37, 13], + + // 16 + [5, 122, 98, 1, 123, 99], + [7, 73, 45, 3, 74, 46], + [15, 43, 19, 2, 44, 20], + [3, 45, 15, 13, 46, 16], + + // 17 + [1, 135, 107, 5, 136, 108], + [10, 74, 46, 1, 75, 47], + [1, 50, 22, 15, 51, 23], + [2, 42, 14, 17, 43, 15], + + // 18 + [5, 150, 120, 1, 151, 121], + [9, 69, 43, 4, 70, 44], + [17, 50, 22, 1, 51, 23], + [2, 42, 14, 19, 43, 15], + + // 19 + [3, 141, 113, 4, 142, 114], + [3, 70, 44, 11, 71, 45], + [17, 47, 21, 4, 48, 22], + [9, 39, 13, 16, 40, 14], + + // 20 + [3, 135, 107, 5, 136, 108], + [3, 67, 41, 13, 68, 42], + [15, 54, 24, 5, 55, 25], + [15, 43, 15, 10, 44, 16], + + // 21 + [4, 144, 116, 4, 145, 117], + [17, 68, 42], + [17, 50, 22, 6, 51, 23], + [19, 46, 16, 6, 47, 17], + + // 22 + [2, 139, 111, 7, 140, 112], + [17, 74, 46], + [7, 54, 24, 16, 55, 25], + [34, 37, 13], + + // 23 + [4, 151, 121, 5, 152, 122], + [4, 75, 47, 14, 76, 48], + [11, 54, 24, 14, 55, 25], + [16, 45, 15, 14, 46, 16], + + // 24 + [6, 147, 117, 4, 148, 118], + [6, 73, 45, 14, 74, 46], + [11, 54, 24, 16, 55, 25], + [30, 46, 16, 2, 47, 17], + + // 25 + [8, 132, 106, 4, 133, 107], + [8, 75, 47, 13, 76, 48], + [7, 54, 24, 22, 55, 25], + [22, 45, 15, 13, 46, 16], + + // 26 + [10, 142, 114, 2, 143, 115], + [19, 74, 46, 4, 75, 47], + [28, 50, 22, 6, 51, 23], + [33, 46, 16, 4, 47, 17], + + // 27 + [8, 152, 122, 4, 153, 123], + [22, 73, 45, 3, 74, 46], + [8, 53, 23, 26, 54, 24], + [12, 45, 15, 28, 46, 16], + + // 28 + [3, 147, 117, 10, 148, 118], + [3, 73, 45, 23, 74, 46], + [4, 54, 24, 31, 55, 25], + [11, 45, 15, 31, 46, 16], + + // 29 + [7, 146, 116, 7, 147, 117], + [21, 73, 45, 7, 74, 46], + [1, 53, 23, 37, 54, 24], + [19, 45, 15, 26, 46, 16], + + // 30 + [5, 145, 115, 10, 146, 116], + [19, 75, 47, 10, 76, 48], + [15, 54, 24, 25, 55, 25], + [23, 45, 15, 25, 46, 16], + + // 31 + [13, 145, 115, 3, 146, 116], + [2, 74, 46, 29, 75, 47], + [42, 54, 24, 1, 55, 25], + [23, 45, 15, 28, 46, 16], + + // 32 + [17, 145, 115], + [10, 74, 46, 23, 75, 47], + [10, 54, 24, 35, 55, 25], + [19, 45, 15, 35, 46, 16], + + // 33 + [17, 145, 115, 1, 146, 116], + [14, 74, 46, 21, 75, 47], + [29, 54, 24, 19, 55, 25], + [11, 45, 15, 46, 46, 16], + + // 34 + [13, 145, 115, 6, 146, 116], + [14, 74, 46, 23, 75, 47], + [44, 54, 24, 7, 55, 25], + [59, 46, 16, 1, 47, 17], + + // 35 + [12, 151, 121, 7, 152, 122], + [12, 75, 47, 26, 76, 48], + [39, 54, 24, 14, 55, 25], + [22, 45, 15, 41, 46, 16], + + // 36 + [6, 151, 121, 14, 152, 122], + [6, 75, 47, 34, 76, 48], + [46, 54, 24, 10, 55, 25], + [2, 45, 15, 64, 46, 16], + + // 37 + [17, 152, 122, 4, 153, 123], + [29, 74, 46, 14, 75, 47], + [49, 54, 24, 10, 55, 25], + [24, 45, 15, 46, 46, 16], + + // 38 + [4, 152, 122, 18, 153, 123], + [13, 74, 46, 32, 75, 47], + [48, 54, 24, 14, 55, 25], + [42, 45, 15, 32, 46, 16], + + // 39 + [20, 147, 117, 4, 148, 118], + [40, 75, 47, 7, 76, 48], + [43, 54, 24, 22, 55, 25], + [10, 45, 15, 67, 46, 16], + + // 40 + [19, 148, 118, 6, 149, 119], + [18, 75, 47, 31, 76, 48], + [34, 54, 24, 34, 55, 25], + [20, 45, 15, 61, 46, 16] + ]; + + var qrRSBlock = function (totalCount, dataCount) { + let _this = {}; + _this.totalCount = totalCount; + _this.dataCount = dataCount; + return _this; + }; + + let _this = {}; + + var getRsBlockTable = function (typeNumber, errorCorrectionLevel) { + switch (errorCorrectionLevel) { + case QRErrorCorrectionLevel.L: + return RS_BLOCK_TABLE[(typeNumber - 1) * 4 + 0]; + case QRErrorCorrectionLevel.M: + return RS_BLOCK_TABLE[(typeNumber - 1) * 4 + 1]; + case QRErrorCorrectionLevel.Q: + return RS_BLOCK_TABLE[(typeNumber - 1) * 4 + 2]; + case QRErrorCorrectionLevel.H: + return RS_BLOCK_TABLE[(typeNumber - 1) * 4 + 3]; + default: + return undefined; + } + }; + + _this.getRSBlocks = function (typeNumber, errorCorrectionLevel) { + let rsBlock = getRsBlockTable(typeNumber, errorCorrectionLevel); + if (typeof rsBlock === 'undefined') + throw 'bad rs block @ typeNumber:' + typeNumber + '/errorCorrectionLevel:' + errorCorrectionLevel; + + let length = rsBlock.length / 3; + let list = []; + + for (let i = 0; i < length; i++) { + let count = rsBlock[i * 3 + 0]; + let totalCount = rsBlock[i * 3 + 1]; + let dataCount = rsBlock[i * 3 + 2]; + + for (let j = 0; j < count; j++) { + list.push(qrRSBlock(totalCount, dataCount)); + } + } + return list; + }; + + return _this; + }(); + + //--------------------------------------------------------------------- + // qrBitBuffer + //--------------------------------------------------------------------- + + var qrBitBuffer = function () { + let _buffer = []; + let _length = 0; + let _this = {}; + + _this.getBuffer = function () { + return _buffer; + }; + + _this.getAt = function (index) { + let bufIndex = Math.floor(index / 8); + return ((_buffer[bufIndex] >>> (7 - index % 8)) & 1) === 1; + }; + + _this.put = function (num, length) { + for (let i = 0; i < length; i++) { + _this.putBit(((num >>> (length - i - 1)) & 1) === 1); + } + }; + + _this.getLengthInBits = function () { + return _length; + }; + + _this.putBit = function (bit) { + let bufIndex = Math.floor(_length / 8); + if (_buffer.length <= bufIndex) { + _buffer.push(0); + } + if (bit) { + _buffer[bufIndex] |= (0x80 >>> (_length % 8)); + } + _length++; + }; + + return _this; + }; + + //--------------------------------------------------------------------- + // qrNumber + //--------------------------------------------------------------------- + + var qrNumber = function (data) { + let _mode = QRMode.MODE_NUMBER; + let _data = data; + let _this = {}; + + _this.getMode = function () { + return _mode; + }; + + _this.getLength = function (buffer) { + return _data.length; + }; + + _this.write = function (buffer) { + let data = _data; + let i = 0; + + while (i + 2 < data.length) { + buffer.put(strToNum(data.substring(i, i + 3)), 10); + i += 3; + } + + if (i < data.length) { + if (data.length - i === 1) { + buffer.put(strToNum(data.substring(i, i + 1)), 4); + } + else if (data.length - i === 2) { + buffer.put(strToNum(data.substring(i, i + 2)), 7); + } + } + }; + + var strToNum = function (s) { + let num = 0; + for (let i = 0; i < s.length; i++) { + num = num * 10 + charToNum(s.charAt(i)); + } + return num; + }; + + var charToNum = function (c) { + if ('0' <= c && c <= '9') { + return c.charCodeAt(0) - '0'.charCodeAt(0); + } + throw 'illegal char :' + c; + }; + + return _this; + }; + + //--------------------------------------------------------------------- + // qrAlphaNum + //--------------------------------------------------------------------- + + var qrAlphaNum = function (data) { + let _mode = QRMode.MODE_ALPHA_NUM; + let _data = data; + let _this = {}; + + _this.getMode = function () { + return _mode; + }; + + _this.getLength = function (buffer) { + return _data.length; + }; + + _this.write = function (buffer) { + let s = _data; + let i = 0; + + while (i + 1 < s.length) { + buffer.put( + getCode(s.charAt(i)) * 45 + + getCode(s.charAt(i + 1)), 11); + i += 2; + } + + if (i < s.length) { + buffer.put(getCode(s.charAt(i)), 6); + } + }; + + var getCode = function (c) { + if ('0' <= c && c <= '9') { + return c.charCodeAt(0) - '0'.charCodeAt(0); + } + else if ('A' <= c && c <= 'Z') { + return c.charCodeAt(0) - 'A'.charCodeAt(0) + 10; + } + else { + switch (c) { + case ' ': return 36; + case '$': return 37; + case '%': return 38; + case '*': return 39; + case '+': return 40; + case '-': return 41; + case '.': return 42; + case '/': return 43; + case ':': return 44; + default: + throw 'illegal char :' + c; + } + } + }; + + return _this; + }; + + //--------------------------------------------------------------------- + // qr8BitByte + //--------------------------------------------------------------------- + + var qr8BitByte = function (data) { + let _mode = QRMode.MODE_8BIT_BYTE; + let _data = data; + let _bytes = qrcode.stringToBytes(data); + let _this = {}; + + _this.getMode = function () { + return _mode; + }; + + _this.getLength = function (buffer) { + return _bytes.length; + }; + + _this.write = function (buffer) { + for (let i = 0; i < _bytes.length; i++) { + buffer.put(_bytes[i], 8); + } + }; + + return _this; + }; + + //--------------------------------------------------------------------- + // qrKanji + //--------------------------------------------------------------------- + + var qrKanji = function (data) { + let _mode = QRMode.MODE_KANJI; + let _data = data; + + let stringToBytes = qrcode.stringToBytesFuncs['SJIS']; + if (!stringToBytes) + throw 'sjis not supported.'; + + !function (c, code) { + // self test for sjis support. + let test = stringToBytes(c); + if (test.length !== 2 || ((test[0] << 8) | test[1]) !== code) { + throw 'sjis not supported.'; + } + }('\u53cb', 0x9746); + + let _bytes = stringToBytes(data); + + let _this = {}; + + _this.getMode = function () { + return _mode; + }; + + _this.getLength = function (buffer) { + return ~~(_bytes.length / 2); + }; + + _this.write = function (buffer) { + let data = _bytes; + let i = 0; + + while (i + 1 < data.length) { + let c = ((0xff & data[i]) << 8) | (0xff & data[i + 1]); + + if (0x8140 <= c && c <= 0x9FFC) { + c -= 0x8140; + } + else if (0xE040 <= c && c <= 0xEBBF) { + c -= 0xC140; + } + else { + throw 'illegal char at ' + (i + 1) + '/' + c; + } + + c = ((c >>> 8) & 0xff) * 0xC0 + (c & 0xff); + buffer.put(c, 13); + i += 2; + } + + if (i < data.length) { + throw 'illegal char at ' + (i + 1); + } + }; + + return _this; + }; + + //===================================================================== + // GIF Support etc. + // + + //--------------------------------------------------------------------- + // byteArrayOutputStream + //--------------------------------------------------------------------- + + var byteArrayOutputStream = function () { + let _bytes = []; + let _this = {}; + + _this.writeByte = function (b) { + _bytes.push(b & 0xff); + }; + + _this.writeShort = function (i) { + _this.writeByte(i); + _this.writeByte(i >>> 8); + }; + + _this.writeBytes = function (b, off, len) { + off = off || 0; + len = len || b.length; + for (let i = 0; i < len; i++) { + _this.writeByte(b[i + off]); + } + }; + + _this.writeString = function (s) { + for (let i = 0; i < s.length; i++) { + _this.writeByte(s.charCodeAt(i)); + } + }; + + _this.toByteArray = function () { + return _bytes; + }; + + _this.toString = function () { + let s = ''; + s += '['; + for (let i = 0; i < _bytes.length; i++) { + if (i > 0) + s += ','; + s += _bytes[i]; + } + s += ']'; + return s; + }; + + return _this; + }; + + //--------------------------------------------------------------------- + // base64EncodeOutputStream + //--------------------------------------------------------------------- + + var base64EncodeOutputStream = function () { + let _buffer = 0; + let _buflen = 0; + let _length = 0; + let _base64 = ''; + let _this = {}; + + var writeEncoded = function (b) { + _base64 += String.fromCharCode(encode(b & 0x3f)); + }; + + var encode = function (n) { + if (n < 0) { + // error. + } + else if (n < 26) { + return 0x41 + n; + } + else if (n < 52) { + return 0x61 + (n - 26); + } + else if (n < 62) { + return 0x30 + (n - 52); + } + else if (n === 62) { + return 0x2b; + } + else if (n === 63) { + return 0x2f; + } + throw 'n:' + n; + }; + + _this.writeByte = function (n) { + _buffer = (_buffer << 8) | (n & 0xff); + _buflen += 8; + _length++; + + while (_buflen >= 6) { + writeEncoded(_buffer >>> (_buflen - 6)); + _buflen -= 6; + } + }; + + _this.flush = function () { + if (_buflen > 0) { + writeEncoded(_buffer << (6 - _buflen)); + _buffer = 0; + _buflen = 0; + } + + if (_length % 3 !== 0) { + // padding + let padlen = 3 - _length % 3; + for (let i = 0; i < padlen; i++) { + _base64 += '='; + } + } + }; + + _this.toString = function () { + return _base64; + }; + + return _this; + }; + + //--------------------------------------------------------------------- + // base64DecodeInputStream + //--------------------------------------------------------------------- + + var base64DecodeInputStream = function (str) { + let _str = str; + let _pos = 0; + let _buffer = 0; + let _buflen = 0; + let _this = {}; + + _this.read = function () { + while (_buflen < 8) { + if (_pos >= _str.length) { + if (_buflen === 0) + return -1; + throw 'unexpected end of file./' + _buflen; + } + + let c = _str.charAt(_pos); + _pos++; + + if (c === '=') { + _buflen = 0; + return -1; + } + else if (c.match(/^\s$/)) { + // ignore if whitespace. + continue; + } + + _buffer = (_buffer << 6) | decode(c.charCodeAt(0)); + _buflen += 6; + } + + let n = (_buffer >>> (_buflen - 8)) & 0xff; + _buflen -= 8; + return n; + }; + + var decode = function (c) { + if (0x41 <= c && c <= 0x5a) { + return c - 0x41; + } + else if (0x61 <= c && c <= 0x7a) { + return c - 0x61 + 26; + } + else if (0x30 <= c && c <= 0x39) { + return c - 0x30 + 52; + } + else if (c === 0x2b) { + return 62; + } + else if (c === 0x2f) { + return 63; + } + else { + throw 'c:' + c; + } + }; + + return _this; + }; + + //--------------------------------------------------------------------- + // gifImage (B/W) + //--------------------------------------------------------------------- + + var gifImage = function (width, height, foreground, background) { + let _width = width; + let _height = height; + let _data = new Array(width * height); + let _this = {}; + + _this.setPixel = function (x, y, pixel) { + _data[y * _width + x] = pixel; + }; + + _this.write = function (out) { + //--------------------------------- + // GIF Signature + + out.writeString('GIF87a'); + + //--------------------------------- + // Screen Descriptor + + out.writeShort(_width); + out.writeShort(_height); + + out.writeByte(0x80); // 2bit + out.writeByte(0); + out.writeByte(0); + + //--------------------------------- + // Global Color Map + + // foreground + let fg = parseColor(foreground, "#000"); + out.writeByte(fg[0]); + out.writeByte(fg[1]); + out.writeByte(fg[2]); + + // background + let bg = parseColor(background, "#fff"); + out.writeByte(bg[0]); + out.writeByte(bg[1]); + out.writeByte(bg[2]); + + //--------------------------------- + // Image Descriptor + + out.writeString(','); + out.writeShort(0); + out.writeShort(0); + out.writeShort(_width); + out.writeShort(_height); + out.writeByte(0); + + //--------------------------------- + // Local Color Map + + //--------------------------------- + // Raster Data + + let lzwMinCodeSize = 2; + let raster = getLZWRaster(lzwMinCodeSize); + + out.writeByte(lzwMinCodeSize); + + let offset = 0; + + while (raster.length - offset > 255) { + out.writeByte(255); + out.writeBytes(raster, offset, 255); + offset += 255; + } + + out.writeByte(raster.length - offset); + out.writeBytes(raster, offset, raster.length - offset); + out.writeByte(0x00); + + //--------------------------------- + // GIF Terminator + out.writeString(';'); + }; + + function parseColor(c, fallback) { + c = c.toLowerCase(); + if (c.match(/^#[0-9a-f]{3}$/)) + return [parseInt(c[1] + c[1], 16), parseInt(c[2] + c[2], 16), parseInt(c[3] + c[3], 16)]; + if (c.match(/^#[0-9a-f]{6}$/)) + return [parseInt(c[1] + c[2], 16), parseInt(c[3] + c[4], 16), parseInt(c[5] + c[6], 16)]; + return parseColor(fallback); + } + + var bitOutputStream = function (out) { + let _out = out; + let _bitLength = 0; + let _bitBuffer = 0; + let _this = {}; + + _this.write = function (data, length) { + if ((data >>> length) !== 0) + throw 'length over'; + + while (_bitLength + length >= 8) { + _out.writeByte(0xff & ((data << _bitLength) | _bitBuffer)); + length -= (8 - _bitLength); + data >>>= (8 - _bitLength); + _bitBuffer = 0; + _bitLength = 0; + } + + _bitBuffer = (data << _bitLength) | _bitBuffer; + _bitLength = _bitLength + length; + }; + + _this.flush = function () { + if (_bitLength > 0) { + _out.writeByte(_bitBuffer); + } + }; + + return _this; + }; + + var getLZWRaster = function (lzwMinCodeSize) { + let clearCode = 1 << lzwMinCodeSize; + let endCode = (1 << lzwMinCodeSize) + 1; + let bitLength = lzwMinCodeSize + 1; + + // Setup LZWTable + let table = lzwTable(); + + for (let i = 0; i < clearCode; i++) { + table.add(String.fromCharCode(i)); + } + table.add(String.fromCharCode(clearCode)); + table.add(String.fromCharCode(endCode)); + + let byteOut = byteArrayOutputStream(); + let bitOut = bitOutputStream(byteOut); + + // clear code + bitOut.write(clearCode, bitLength); + + let dataIndex = 0; + + let s = String.fromCharCode(_data[dataIndex]); + dataIndex++; + + while (dataIndex < _data.length) { + let c = String.fromCharCode(_data[dataIndex]); + dataIndex++; + + if (table.contains(s + c)) { + s = s + c; + } + else { + bitOut.write(table.indexOf(s), bitLength); + + if (table.size() < 0xfff) { + if (table.size() === (1 << bitLength)) { + bitLength++; + } + table.add(s + c); + } + s = c; + } + } + + bitOut.write(table.indexOf(s), bitLength); + + // end code + bitOut.write(endCode, bitLength); + + bitOut.flush(); + + return byteOut.toByteArray(); + }; + + var lzwTable = function () { + let _map = {}; + let _size = 0; + let _this = {}; + + _this.add = function (key) { + if (_this.contains(key)) + throw 'dup key:' + key; + + _map[key] = _size; + _size++; + }; + + _this.size = function () { + return _size; + }; + + _this.indexOf = function (key) { + return _map[key]; + }; + + _this.contains = function (key) { + return typeof _map[key] !== 'undefined'; + }; + + return _this; + }; + + return _this; + }; - //--------------------------------------------------------------------- - // qrcode - //--------------------------------------------------------------------- + var createDataURL = function (width, height, foreground, background, getPixel) { + let gif = gifImage(width, height, foreground, background); + for (let y = 0; y < height; y++) { + for (let x = 0; x < width; x++) { + gif.setPixel(x, y, getPixel(x, y)); + } + } - /** - * qrcode - * @param typeNumber 1 to 40 - * @param errorCorrectionLevel 'L','M','Q','H' - */ - var qrcode = function(typeNumber, errorCorrectionLevel) { + let b = byteArrayOutputStream(); + gif.write(b); - var PAD0 = 0xEC; - var PAD1 = 0x11; + let base64 = base64EncodeOutputStream(); + let bytes = b.toByteArray(); + for (let i = 0; i < bytes.length; i++) { + base64.writeByte(bytes[i]); + } + base64.flush(); - var _typeNumber = typeNumber; - var _errorCorrectionLevel = QRErrorCorrectionLevel[errorCorrectionLevel]; - var _modules = null; - var _moduleCount = 0; - var _dataCache = null; - var _dataList = []; + return 'data:image/gif;base64,' + base64; + }; - var _this = {}; + //--------------------------------------------------------------------- + // returns qrcode function. - var makeImpl = function(test, maskPattern) { - - _moduleCount = _typeNumber * 4 + 17; - _modules = function(moduleCount) { - var modules = new Array(moduleCount); - for (var row = 0; row < moduleCount; row += 1) { - modules[row] = new Array(moduleCount); - for (var col = 0; col < moduleCount; col += 1) { - modules[row][col] = null; - } - } - return modules; - }(_moduleCount); - - setupPositionProbePattern(0, 0); - setupPositionProbePattern(_moduleCount - 7, 0); - setupPositionProbePattern(0, _moduleCount - 7); - setupPositionAdjustPattern(); - setupTimingPattern(); - setupTypeInfo(test, maskPattern); - - if (_typeNumber >= 7) { - setupTypeNumber(test); - } - - if (_dataCache == null) { - _dataCache = createData(_typeNumber, _errorCorrectionLevel, _dataList); - } - - mapData(_dataCache, maskPattern); - }; - - var setupPositionProbePattern = function(row, col) { - - for (var r = -1; r <= 7; r += 1) { - - if (row + r <= -1 || _moduleCount <= row + r) continue; - - for (var c = -1; c <= 7; c += 1) { - - if (col + c <= -1 || _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) ) { - _modules[row + r][col + c] = true; - } else { - _modules[row + r][col + c] = false; - } - } - } - }; - - var getBestMaskPattern = function() { - - var minLostPoint = 0; - var pattern = 0; - - for (var i = 0; i < 8; i += 1) { - - makeImpl(true, i); - - var lostPoint = QRUtil.getLostPoint(_this); - - if (i == 0 || minLostPoint > lostPoint) { - minLostPoint = lostPoint; - pattern = i; - } - } - - return pattern; - }; - - var setupTimingPattern = function() { - - for (var r = 8; r < _moduleCount - 8; r += 1) { - if (_modules[r][6] != null) { - continue; - } - _modules[r][6] = (r % 2 == 0); - } - - for (var c = 8; c < _moduleCount - 8; c += 1) { - if (_modules[6][c] != null) { - continue; - } - _modules[6][c] = (c % 2 == 0); - } - }; - - var setupPositionAdjustPattern = function() { - - var pos = QRUtil.getPatternPosition(_typeNumber); - - for (var i = 0; i < pos.length; i += 1) { - - for (var j = 0; j < pos.length; j += 1) { - - var row = pos[i]; - var col = pos[j]; - - if (_modules[row][col] != null) { - continue; - } - - for (var r = -2; r <= 2; r += 1) { - - for (var c = -2; c <= 2; c += 1) { - - if (r == -2 || r == 2 || c == -2 || c == 2 - || (r == 0 && c == 0) ) { - _modules[row + r][col + c] = true; - } else { - _modules[row + r][col + c] = false; - } - } - } - } - } - }; - - var setupTypeNumber = function(test) { - - var bits = QRUtil.getBCHTypeNumber(_typeNumber); - - for (var i = 0; i < 18; i += 1) { - var mod = (!test && ( (bits >> i) & 1) == 1); - _modules[Math.floor(i / 3)][i % 3 + _moduleCount - 8 - 3] = mod; - } - - for (var i = 0; i < 18; i += 1) { - var mod = (!test && ( (bits >> i) & 1) == 1); - _modules[i % 3 + _moduleCount - 8 - 3][Math.floor(i / 3)] = mod; - } - }; - - var setupTypeInfo = function(test, maskPattern) { - - var data = (_errorCorrectionLevel << 3) | maskPattern; - var bits = QRUtil.getBCHTypeInfo(data); - - // vertical - for (var i = 0; i < 15; i += 1) { - - var mod = (!test && ( (bits >> i) & 1) == 1); - - if (i < 6) { - _modules[i][8] = mod; - } else if (i < 8) { - _modules[i + 1][8] = mod; - } else { - _modules[_moduleCount - 15 + i][8] = mod; - } - } - - // horizontal - for (var i = 0; i < 15; i += 1) { - - var mod = (!test && ( (bits >> i) & 1) == 1); - - if (i < 8) { - _modules[8][_moduleCount - i - 1] = mod; - } else if (i < 9) { - _modules[8][15 - i - 1 + 1] = mod; - } else { - _modules[8][15 - i - 1] = mod; - } - } - - // fixed module - _modules[_moduleCount - 8][8] = (!test); - }; - - var mapData = function(data, maskPattern) { - - var inc = -1; - var row = _moduleCount - 1; - var bitIndex = 7; - var byteIndex = 0; - var maskFunc = QRUtil.getMaskFunction(maskPattern); - - for (var col = _moduleCount - 1; col > 0; col -= 2) { - - if (col == 6) col -= 1; - - while (true) { - - for (var c = 0; c < 2; c += 1) { - - if (_modules[row][col - c] == null) { - - var dark = false; - - if (byteIndex < data.length) { - dark = ( ( (data[byteIndex] >>> bitIndex) & 1) == 1); - } - - var mask = maskFunc(row, col - c); - - if (mask) { - dark = !dark; - } - - _modules[row][col - c] = dark; - bitIndex -= 1; - - if (bitIndex == -1) { - byteIndex += 1; - bitIndex = 7; - } - } - } - - row += inc; - - if (row < 0 || _moduleCount <= row) { - row -= inc; - inc = -inc; - break; - } - } - } - }; - - var 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 += 1) { - - 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 += 1) { - dcdata[r][i] = 0xff & buffer.getBuffer()[i + offset]; - } - offset += dcCount; - - var rsPoly = QRUtil.getErrorCorrectPolynomial(ecCount); - var rawPoly = 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 += 1) { - var modIndex = i + modPoly.getLength() - ecdata[r].length; - ecdata[r][i] = (modIndex >= 0)? modPoly.getAt(modIndex) : 0; - } - } - - var totalCodeCount = 0; - for (var i = 0; i < rsBlocks.length; i += 1) { - totalCodeCount += rsBlocks[i].totalCount; - } - - var data = new Array(totalCodeCount); - var index = 0; - - for (var i = 0; i < maxDcCount; i += 1) { - for (var r = 0; r < rsBlocks.length; r += 1) { - if (i < dcdata[r].length) { - data[index] = dcdata[r][i]; - index += 1; - } - } - } - - for (var i = 0; i < maxEcCount; i += 1) { - for (var r = 0; r < rsBlocks.length; r += 1) { - if (i < ecdata[r].length) { - data[index] = ecdata[r][i]; - index += 1; - } - } - } - - return data; - }; - - var createData = function(typeNumber, errorCorrectionLevel, dataList) { - - var rsBlocks = QRRSBlock.getRSBlocks(typeNumber, errorCorrectionLevel); - - var buffer = qrBitBuffer(); - - for (var i = 0; i < dataList.length; i += 1) { - var data = dataList[i]; - buffer.put(data.getMode(), 4); - buffer.put(data.getLength(), QRUtil.getLengthInBits(data.getMode(), typeNumber) ); - data.write(buffer); - } - - // calc num max data. - var totalDataCount = 0; - for (var i = 0; i < rsBlocks.length; i += 1) { - totalDataCount += rsBlocks[i].dataCount; - } - - if (buffer.getLengthInBits() > totalDataCount * 8) { - throw 'code length overflow. (' - + buffer.getLengthInBits() - + '>' - + totalDataCount * 8 - + ')'; - } - - // end code - if (buffer.getLengthInBits() + 4 <= totalDataCount * 8) { - buffer.put(0, 4); - } - - // padding - while (buffer.getLengthInBits() % 8 != 0) { - buffer.putBit(false); - } - - // padding - while (true) { - - if (buffer.getLengthInBits() >= totalDataCount * 8) { - break; - } - buffer.put(PAD0, 8); - - if (buffer.getLengthInBits() >= totalDataCount * 8) { - break; - } - buffer.put(PAD1, 8); - } - - return createBytes(buffer, rsBlocks); - }; - - _this.addData = function(data, mode) { - - mode = mode || 'Byte'; - - var newData = null; - - switch(mode) { - case 'Numeric' : - newData = qrNumber(data); - break; - case 'Alphanumeric' : - newData = qrAlphaNum(data); - break; - case 'Byte' : - newData = qr8BitByte(data); - break; - case 'Kanji' : - newData = qrKanji(data); - break; - default : - throw 'mode:' + mode; - } - - _dataList.push(newData); - _dataCache = null; - }; - - _this.isDark = function(row, col) { - if (row < 0 || _moduleCount <= row || col < 0 || _moduleCount <= col) { - throw row + ',' + col; - } - return _modules[row][col]; - }; - - _this.getModuleCount = function() { - return _moduleCount; - }; - - _this.make = function() { - if (_typeNumber < 1) { - var typeNumber = 1; - - for (; typeNumber < 40; typeNumber++) { - var rsBlocks = QRRSBlock.getRSBlocks(typeNumber, _errorCorrectionLevel); - var buffer = qrBitBuffer(); - - for (var i = 0; i < _dataList.length; i++) { - var data = _dataList[i]; - buffer.put(data.getMode(), 4); - buffer.put(data.getLength(), QRUtil.getLengthInBits(data.getMode(), typeNumber) ); - data.write(buffer); - } - - var totalDataCount = 0; - for (var i = 0; i < rsBlocks.length; i++) { - totalDataCount += rsBlocks[i].dataCount; - } - - if (buffer.getLengthInBits() <= totalDataCount * 8) { - break; - } - } - - _typeNumber = typeNumber; - } - - makeImpl(false, getBestMaskPattern() ); - }; - - _this.createTableTag = function(cellSize, margin) { - - cellSize = cellSize || 2; - margin = (typeof margin == 'undefined')? cellSize * 4 : margin; - - var qrHtml = ''; - - qrHtml += ''; - qrHtml += ''; - - for (var r = 0; r < _this.getModuleCount(); r += 1) { - - qrHtml += ''; - - for (var c = 0; c < _this.getModuleCount(); c += 1) { - qrHtml += ''; - } - - qrHtml += ''; - qrHtml += '
'; - } - - qrHtml += '
'; - - return qrHtml; - }; - - _this.createSvgTag = function(cellSize, margin, alt, title) { - - var opts = {}; - if (typeof arguments[0] == 'object') { - // Called by options. - opts = arguments[0]; - // overwrite cellSize and margin. - cellSize = opts.cellSize; - margin = opts.margin; - alt = opts.alt; - title = opts.title; - } - - cellSize = cellSize || 2; - margin = (typeof margin == 'undefined')? cellSize * 4 : margin; - - // Compose alt property surrogate - alt = (typeof alt === 'string') ? {text: alt} : alt || {}; - alt.text = alt.text || null; - alt.id = (alt.text) ? alt.id || 'qrcode-description' : null; - - // Compose title property surrogate - title = (typeof title === 'string') ? {text: title} : title || {}; - title.text = title.text || null; - title.id = (title.text) ? title.id || 'qrcode-title' : null; - - var size = _this.getModuleCount() * cellSize + margin * 2; - var c, mc, r, mr, qrSvg='', rect; - - rect = 'l' + cellSize + ',0 0,' + cellSize + - ' -' + cellSize + ',0 0,-' + cellSize + 'z '; - - qrSvg += '' + - escapeXml(title.text) + '' : ''; - qrSvg += (alt.text) ? '' + - escapeXml(alt.text) + '' : ''; - qrSvg += ''; - qrSvg += ''; - qrSvg += ''; - - return qrSvg; - }; - - _this.createDataURL = function(cellSize, margin) { - - cellSize = cellSize || 2; - margin = (typeof margin == 'undefined')? cellSize * 4 : margin; - - var size = _this.getModuleCount() * cellSize + margin * 2; - var min = margin; - var max = size - margin; - - return createDataURL(size, size, function(x, y) { - if (min <= x && x < max && min <= y && y < max) { - var c = Math.floor( (x - min) / cellSize); - var r = Math.floor( (y - min) / cellSize); - return _this.isDark(r, c)? 0 : 1; - } else { - return 1; - } - } ); - }; - - _this.createImgTag = function(cellSize, margin, alt) { - - cellSize = cellSize || 2; - margin = (typeof margin == 'undefined')? cellSize * 4 : margin; - - var size = _this.getModuleCount() * cellSize + margin * 2; - - var img = ''; - img += '': escaped += '>'; break; - case '&': escaped += '&'; break; - case '"': escaped += '"'; break; - default : escaped += c; break; - } - } - return escaped; - }; - - var _createHalfASCII = function(margin) { - var cellSize = 1; - margin = (typeof margin == 'undefined')? cellSize * 2 : margin; - - var size = _this.getModuleCount() * cellSize + margin * 2; - var min = margin; - var max = size - margin; - - var y, x, r1, r2, p; - - var blocks = { - '██': '█', - '█ ': '▀', - ' █': '▄', - ' ': ' ' - }; - - var blocksLastLineNoMargin = { - '██': '▀', - '█ ': '▀', - ' █': ' ', - ' ': ' ' - }; - - var ascii = ''; - for (y = 0; y < size; y += 2) { - r1 = Math.floor((y - min) / cellSize); - r2 = Math.floor((y + 1 - min) / cellSize); - for (x = 0; x < size; x += 1) { - p = '█'; - - if (min <= x && x < max && min <= y && y < max && _this.isDark(r1, Math.floor((x - min) / cellSize))) { - p = ' '; - } - - if (min <= x && x < max && min <= y+1 && y+1 < max && _this.isDark(r2, Math.floor((x - min) / cellSize))) { - p += ' '; - } - else { - p += '█'; - } - - // Output 2 characters per pixel, to create full square. 1 character per pixels gives only half width of square. - ascii += (margin < 1 && y+1 >= max) ? blocksLastLineNoMargin[p] : blocks[p]; - } - - ascii += '\n'; - } - - if (size % 2 && margin > 0) { - return ascii.substring(0, ascii.length - size - 1) + Array(size+1).join('▀'); - } - - return ascii.substring(0, ascii.length-1); - }; - - _this.createASCII = function(cellSize, margin) { - cellSize = cellSize || 1; - - if (cellSize < 2) { - return _createHalfASCII(margin); - } - - cellSize -= 1; - margin = (typeof margin == 'undefined')? cellSize * 2 : margin; - - var size = _this.getModuleCount() * cellSize + margin * 2; - var min = margin; - var max = size - margin; - - var y, x, r, p; - - var white = Array(cellSize+1).join('██'); - var black = Array(cellSize+1).join(' '); - - var ascii = ''; - var line = ''; - for (y = 0; y < size; y += 1) { - r = Math.floor( (y - min) / cellSize); - line = ''; - for (x = 0; x < size; x += 1) { - p = 1; - - if (min <= x && x < max && min <= y && y < max && _this.isDark(r, Math.floor((x - min) / cellSize))) { - p = 0; - } - - // Output 2 characters per pixel, to create full square. 1 character per pixels gives only half width of square. - line += p ? white : black; - } - - for (r = 0; r < cellSize; r += 1) { - ascii += line + '\n'; - } - } - - return ascii.substring(0, ascii.length-1); - }; - - _this.renderTo2dContext = function(context, cellSize) { - cellSize = cellSize || 2; - var length = _this.getModuleCount(); - for (var row = 0; row < length; row++) { - for (var col = 0; col < length; col++) { - context.fillStyle = _this.isDark(row, col) ? 'black' : 'white'; - context.fillRect(row * cellSize, col * cellSize, cellSize, cellSize); - } - } - } - - return _this; - }; - - //--------------------------------------------------------------------- - // qrcode.stringToBytes - //--------------------------------------------------------------------- - - qrcode.stringToBytesFuncs = { - 'default' : function(s) { - var bytes = []; - for (var i = 0; i < s.length; i += 1) { - var c = s.charCodeAt(i); - bytes.push(c & 0xff); - } - return bytes; - } - }; - - qrcode.stringToBytes = qrcode.stringToBytesFuncs['default']; - - //--------------------------------------------------------------------- - // qrcode.createStringToBytes - //--------------------------------------------------------------------- - - /** - * @param unicodeData base64 string of byte array. - * [16bit Unicode],[16bit Bytes], ... - * @param numChars - */ - qrcode.createStringToBytes = function(unicodeData, numChars) { - - // create conversion map. - - var unicodeMap = function() { - - var bin = base64DecodeInputStream(unicodeData); - var read = function() { - var b = bin.read(); - if (b == -1) throw 'eof'; - return b; - }; - - var count = 0; - var unicodeMap = {}; - while (true) { - var b0 = bin.read(); - if (b0 == -1) break; - var b1 = read(); - var b2 = read(); - var b3 = read(); - var k = String.fromCharCode( (b0 << 8) | b1); - var v = (b2 << 8) | b3; - unicodeMap[k] = v; - count += 1; - } - if (count != numChars) { - throw count + ' != ' + numChars; - } - - return unicodeMap; - }(); - - var unknownChar = '?'.charCodeAt(0); - - return function(s) { - var bytes = []; - for (var i = 0; i < s.length; i += 1) { - var c = s.charCodeAt(i); - if (c < 128) { - bytes.push(c); - } else { - var b = unicodeMap[s.charAt(i)]; - if (typeof b == 'number') { - if ( (b & 0xff) == b) { - // 1byte - bytes.push(b); - } else { - // 2bytes - bytes.push(b >>> 8); - bytes.push(b & 0xff); - } - } else { - bytes.push(unknownChar); - } - } - } - return bytes; - }; - }; - - //--------------------------------------------------------------------- - // QRMode - //--------------------------------------------------------------------- - - var QRMode = { - MODE_NUMBER : 1 << 0, - MODE_ALPHA_NUM : 1 << 1, - MODE_8BIT_BYTE : 1 << 2, - MODE_KANJI : 1 << 3 - }; - - //--------------------------------------------------------------------- - // QRErrorCorrectionLevel - //--------------------------------------------------------------------- - - var QRErrorCorrectionLevel = { - L : 1, - M : 0, - Q : 3, - H : 2 - }; - - //--------------------------------------------------------------------- - // QRMaskPattern - //--------------------------------------------------------------------- - - var QRMaskPattern = { - PATTERN000 : 0, - PATTERN001 : 1, - PATTERN010 : 2, - PATTERN011 : 3, - PATTERN100 : 4, - PATTERN101 : 5, - PATTERN110 : 6, - PATTERN111 : 7 - }; - - //--------------------------------------------------------------------- - // QRUtil - //--------------------------------------------------------------------- - - var QRUtil = function() { - - var 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] - ]; - var G15 = (1 << 10) | (1 << 8) | (1 << 5) | (1 << 4) | (1 << 2) | (1 << 1) | (1 << 0); - var G18 = (1 << 12) | (1 << 11) | (1 << 10) | (1 << 9) | (1 << 8) | (1 << 5) | (1 << 2) | (1 << 0); - var G15_MASK = (1 << 14) | (1 << 12) | (1 << 10) | (1 << 4) | (1 << 1); - - var _this = {}; - - var getBCHDigit = function(data) { - var digit = 0; - while (data != 0) { - digit += 1; - data >>>= 1; - } - return digit; - }; - - _this.getBCHTypeInfo = function(data) { - var d = data << 10; - while (getBCHDigit(d) - getBCHDigit(G15) >= 0) { - d ^= (G15 << (getBCHDigit(d) - getBCHDigit(G15) ) ); - } - return ( (data << 10) | d) ^ G15_MASK; - }; - - _this.getBCHTypeNumber = function(data) { - var d = data << 12; - while (getBCHDigit(d) - getBCHDigit(G18) >= 0) { - d ^= (G18 << (getBCHDigit(d) - getBCHDigit(G18) ) ); - } - return (data << 12) | d; - }; - - _this.getPatternPosition = function(typeNumber) { - return PATTERN_POSITION_TABLE[typeNumber - 1]; - }; - - _this.getMaskFunction = function(maskPattern) { - - switch (maskPattern) { - - case QRMaskPattern.PATTERN000 : - return function(i, j) { return (i + j) % 2 == 0; }; - case QRMaskPattern.PATTERN001 : - return function(i, j) { return i % 2 == 0; }; - case QRMaskPattern.PATTERN010 : - return function(i, j) { return j % 3 == 0; }; - case QRMaskPattern.PATTERN011 : - return function(i, j) { return (i + j) % 3 == 0; }; - case QRMaskPattern.PATTERN100 : - return function(i, j) { return (Math.floor(i / 2) + Math.floor(j / 3) ) % 2 == 0; }; - case QRMaskPattern.PATTERN101 : - return function(i, j) { return (i * j) % 2 + (i * j) % 3 == 0; }; - case QRMaskPattern.PATTERN110 : - return function(i, j) { return ( (i * j) % 2 + (i * j) % 3) % 2 == 0; }; - case QRMaskPattern.PATTERN111 : - return function(i, j) { return ( (i * j) % 3 + (i + j) % 2) % 2 == 0; }; - - default : - throw 'bad maskPattern:' + maskPattern; - } - }; - - _this.getErrorCorrectPolynomial = function(errorCorrectLength) { - var a = qrPolynomial([1], 0); - for (var i = 0; i < errorCorrectLength; i += 1) { - a = a.multiply(qrPolynomial([1, QRMath.gexp(i)], 0) ); - } - return a; - }; - - _this.getLengthInBits = function(mode, type) { - - if (1 <= type && type < 10) { - - // 1 - 9 - - switch(mode) { - case QRMode.MODE_NUMBER : return 10; - case QRMode.MODE_ALPHA_NUM : return 9; - case QRMode.MODE_8BIT_BYTE : return 8; - case QRMode.MODE_KANJI : return 8; - default : - throw 'mode:' + mode; - } - - } else if (type < 27) { - - // 10 - 26 - - switch(mode) { - case QRMode.MODE_NUMBER : return 12; - case QRMode.MODE_ALPHA_NUM : return 11; - case QRMode.MODE_8BIT_BYTE : return 16; - case QRMode.MODE_KANJI : return 10; - default : - throw 'mode:' + mode; - } - - } else if (type < 41) { - - // 27 - 40 - - switch(mode) { - case QRMode.MODE_NUMBER : return 14; - case QRMode.MODE_ALPHA_NUM : return 13; - case QRMode.MODE_8BIT_BYTE : return 16; - case QRMode.MODE_KANJI : return 12; - default : - throw 'mode:' + mode; - } - - } else { - throw 'type:' + type; - } - }; - - _this.getLostPoint = function(qrcode) { - - var moduleCount = qrcode.getModuleCount(); - - var lostPoint = 0; - - // LEVEL1 - - for (var row = 0; row < moduleCount; row += 1) { - for (var col = 0; col < moduleCount; col += 1) { - - var sameCount = 0; - var dark = qrcode.isDark(row, col); - - for (var r = -1; r <= 1; r += 1) { - - if (row + r < 0 || moduleCount <= row + r) { - continue; - } - - for (var c = -1; c <= 1; c += 1) { - - if (col + c < 0 || moduleCount <= col + c) { - continue; - } - - if (r == 0 && c == 0) { - continue; - } - - if (dark == qrcode.isDark(row + r, col + c) ) { - sameCount += 1; - } - } - } - - if (sameCount > 5) { - lostPoint += (3 + sameCount - 5); - } - } - }; - - // LEVEL2 - - for (var row = 0; row < moduleCount - 1; row += 1) { - for (var col = 0; col < moduleCount - 1; col += 1) { - var count = 0; - if (qrcode.isDark(row, col) ) count += 1; - if (qrcode.isDark(row + 1, col) ) count += 1; - if (qrcode.isDark(row, col + 1) ) count += 1; - if (qrcode.isDark(row + 1, col + 1) ) count += 1; - if (count == 0 || count == 4) { - lostPoint += 3; - } - } - } - - // LEVEL3 - - for (var row = 0; row < moduleCount; row += 1) { - for (var col = 0; col < moduleCount - 6; col += 1) { - 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 += 1) { - for (var row = 0; row < moduleCount - 6; row += 1) { - if (qrcode.isDark(row, col) - && !qrcode.isDark(row + 1, col) - && qrcode.isDark(row + 2, col) - && qrcode.isDark(row + 3, col) - && qrcode.isDark(row + 4, col) - && !qrcode.isDark(row + 5, col) - && qrcode.isDark(row + 6, col) ) { - lostPoint += 40; - } - } - } - - // LEVEL4 - - var darkCount = 0; - - for (var col = 0; col < moduleCount; col += 1) { - for (var row = 0; row < moduleCount; row += 1) { - if (qrcode.isDark(row, col) ) { - darkCount += 1; - } - } - } - - var ratio = Math.abs(100 * darkCount / moduleCount / moduleCount - 50) / 5; - lostPoint += ratio * 10; - - return lostPoint; - }; - - return _this; - }(); - - //--------------------------------------------------------------------- - // QRMath - //--------------------------------------------------------------------- - - var QRMath = function() { - - var EXP_TABLE = new Array(256); - var LOG_TABLE = new Array(256); - - // initialize tables - for (var i = 0; i < 8; i += 1) { - EXP_TABLE[i] = 1 << i; - } - for (var i = 8; i < 256; i += 1) { - EXP_TABLE[i] = EXP_TABLE[i - 4] - ^ EXP_TABLE[i - 5] - ^ EXP_TABLE[i - 6] - ^ EXP_TABLE[i - 8]; - } - for (var i = 0; i < 255; i += 1) { - LOG_TABLE[EXP_TABLE[i] ] = i; - } - - var _this = {}; - - _this.glog = function(n) { - - if (n < 1) { - throw 'glog(' + n + ')'; - } - - return LOG_TABLE[n]; - }; - - _this.gexp = function(n) { - - while (n < 0) { - n += 255; - } - - while (n >= 256) { - n -= 255; - } - - return EXP_TABLE[n]; - }; - - return _this; - }(); - - //--------------------------------------------------------------------- - // qrPolynomial - //--------------------------------------------------------------------- - - function qrPolynomial(num, shift) { - - if (typeof num.length == 'undefined') { - throw num.length + '/' + shift; - } - - var _num = function() { - var offset = 0; - while (offset < num.length && num[offset] == 0) { - offset += 1; - } - var _num = new Array(num.length - offset + shift); - for (var i = 0; i < num.length - offset; i += 1) { - _num[i] = num[i + offset]; - } - return _num; - }(); - - var _this = {}; - - _this.getAt = function(index) { - return _num[index]; - }; - - _this.getLength = function() { - return _num.length; - }; - - _this.multiply = function(e) { - - var num = new Array(_this.getLength() + e.getLength() - 1); - - for (var i = 0; i < _this.getLength(); i += 1) { - for (var j = 0; j < e.getLength(); j += 1) { - num[i + j] ^= QRMath.gexp(QRMath.glog(_this.getAt(i) ) + QRMath.glog(e.getAt(j) ) ); - } - } - - return qrPolynomial(num, 0); - }; - - _this.mod = function(e) { - - if (_this.getLength() - e.getLength() < 0) { - return _this; - } - - var ratio = QRMath.glog(_this.getAt(0) ) - QRMath.glog(e.getAt(0) ); - - var num = new Array(_this.getLength() ); - for (var i = 0; i < _this.getLength(); i += 1) { - num[i] = _this.getAt(i); - } - - for (var i = 0; i < e.getLength(); i += 1) { - num[i] ^= QRMath.gexp(QRMath.glog(e.getAt(i) ) + ratio); - } - - // recursive call - return qrPolynomial(num, 0).mod(e); - }; - - return _this; - }; - - //--------------------------------------------------------------------- - // QRRSBlock - //--------------------------------------------------------------------- - - var QRRSBlock = function() { - - var RS_BLOCK_TABLE = [ - - // L - // M - // Q - // H - - // 1 - [1, 26, 19], - [1, 26, 16], - [1, 26, 13], - [1, 26, 9], - - // 2 - [1, 44, 34], - [1, 44, 28], - [1, 44, 22], - [1, 44, 16], - - // 3 - [1, 70, 55], - [1, 70, 44], - [2, 35, 17], - [2, 35, 13], - - // 4 - [1, 100, 80], - [2, 50, 32], - [2, 50, 24], - [4, 25, 9], - - // 5 - [1, 134, 108], - [2, 67, 43], - [2, 33, 15, 2, 34, 16], - [2, 33, 11, 2, 34, 12], - - // 6 - [2, 86, 68], - [4, 43, 27], - [4, 43, 19], - [4, 43, 15], - - // 7 - [2, 98, 78], - [4, 49, 31], - [2, 32, 14, 4, 33, 15], - [4, 39, 13, 1, 40, 14], - - // 8 - [2, 121, 97], - [2, 60, 38, 2, 61, 39], - [4, 40, 18, 2, 41, 19], - [4, 40, 14, 2, 41, 15], - - // 9 - [2, 146, 116], - [3, 58, 36, 2, 59, 37], - [4, 36, 16, 4, 37, 17], - [4, 36, 12, 4, 37, 13], - - // 10 - [2, 86, 68, 2, 87, 69], - [4, 69, 43, 1, 70, 44], - [6, 43, 19, 2, 44, 20], - [6, 43, 15, 2, 44, 16], - - // 11 - [4, 101, 81], - [1, 80, 50, 4, 81, 51], - [4, 50, 22, 4, 51, 23], - [3, 36, 12, 8, 37, 13], - - // 12 - [2, 116, 92, 2, 117, 93], - [6, 58, 36, 2, 59, 37], - [4, 46, 20, 6, 47, 21], - [7, 42, 14, 4, 43, 15], - - // 13 - [4, 133, 107], - [8, 59, 37, 1, 60, 38], - [8, 44, 20, 4, 45, 21], - [12, 33, 11, 4, 34, 12], - - // 14 - [3, 145, 115, 1, 146, 116], - [4, 64, 40, 5, 65, 41], - [11, 36, 16, 5, 37, 17], - [11, 36, 12, 5, 37, 13], - - // 15 - [5, 109, 87, 1, 110, 88], - [5, 65, 41, 5, 66, 42], - [5, 54, 24, 7, 55, 25], - [11, 36, 12, 7, 37, 13], - - // 16 - [5, 122, 98, 1, 123, 99], - [7, 73, 45, 3, 74, 46], - [15, 43, 19, 2, 44, 20], - [3, 45, 15, 13, 46, 16], - - // 17 - [1, 135, 107, 5, 136, 108], - [10, 74, 46, 1, 75, 47], - [1, 50, 22, 15, 51, 23], - [2, 42, 14, 17, 43, 15], - - // 18 - [5, 150, 120, 1, 151, 121], - [9, 69, 43, 4, 70, 44], - [17, 50, 22, 1, 51, 23], - [2, 42, 14, 19, 43, 15], - - // 19 - [3, 141, 113, 4, 142, 114], - [3, 70, 44, 11, 71, 45], - [17, 47, 21, 4, 48, 22], - [9, 39, 13, 16, 40, 14], - - // 20 - [3, 135, 107, 5, 136, 108], - [3, 67, 41, 13, 68, 42], - [15, 54, 24, 5, 55, 25], - [15, 43, 15, 10, 44, 16], - - // 21 - [4, 144, 116, 4, 145, 117], - [17, 68, 42], - [17, 50, 22, 6, 51, 23], - [19, 46, 16, 6, 47, 17], - - // 22 - [2, 139, 111, 7, 140, 112], - [17, 74, 46], - [7, 54, 24, 16, 55, 25], - [34, 37, 13], - - // 23 - [4, 151, 121, 5, 152, 122], - [4, 75, 47, 14, 76, 48], - [11, 54, 24, 14, 55, 25], - [16, 45, 15, 14, 46, 16], - - // 24 - [6, 147, 117, 4, 148, 118], - [6, 73, 45, 14, 74, 46], - [11, 54, 24, 16, 55, 25], - [30, 46, 16, 2, 47, 17], - - // 25 - [8, 132, 106, 4, 133, 107], - [8, 75, 47, 13, 76, 48], - [7, 54, 24, 22, 55, 25], - [22, 45, 15, 13, 46, 16], - - // 26 - [10, 142, 114, 2, 143, 115], - [19, 74, 46, 4, 75, 47], - [28, 50, 22, 6, 51, 23], - [33, 46, 16, 4, 47, 17], - - // 27 - [8, 152, 122, 4, 153, 123], - [22, 73, 45, 3, 74, 46], - [8, 53, 23, 26, 54, 24], - [12, 45, 15, 28, 46, 16], - - // 28 - [3, 147, 117, 10, 148, 118], - [3, 73, 45, 23, 74, 46], - [4, 54, 24, 31, 55, 25], - [11, 45, 15, 31, 46, 16], - - // 29 - [7, 146, 116, 7, 147, 117], - [21, 73, 45, 7, 74, 46], - [1, 53, 23, 37, 54, 24], - [19, 45, 15, 26, 46, 16], - - // 30 - [5, 145, 115, 10, 146, 116], - [19, 75, 47, 10, 76, 48], - [15, 54, 24, 25, 55, 25], - [23, 45, 15, 25, 46, 16], - - // 31 - [13, 145, 115, 3, 146, 116], - [2, 74, 46, 29, 75, 47], - [42, 54, 24, 1, 55, 25], - [23, 45, 15, 28, 46, 16], - - // 32 - [17, 145, 115], - [10, 74, 46, 23, 75, 47], - [10, 54, 24, 35, 55, 25], - [19, 45, 15, 35, 46, 16], - - // 33 - [17, 145, 115, 1, 146, 116], - [14, 74, 46, 21, 75, 47], - [29, 54, 24, 19, 55, 25], - [11, 45, 15, 46, 46, 16], - - // 34 - [13, 145, 115, 6, 146, 116], - [14, 74, 46, 23, 75, 47], - [44, 54, 24, 7, 55, 25], - [59, 46, 16, 1, 47, 17], - - // 35 - [12, 151, 121, 7, 152, 122], - [12, 75, 47, 26, 76, 48], - [39, 54, 24, 14, 55, 25], - [22, 45, 15, 41, 46, 16], - - // 36 - [6, 151, 121, 14, 152, 122], - [6, 75, 47, 34, 76, 48], - [46, 54, 24, 10, 55, 25], - [2, 45, 15, 64, 46, 16], - - // 37 - [17, 152, 122, 4, 153, 123], - [29, 74, 46, 14, 75, 47], - [49, 54, 24, 10, 55, 25], - [24, 45, 15, 46, 46, 16], - - // 38 - [4, 152, 122, 18, 153, 123], - [13, 74, 46, 32, 75, 47], - [48, 54, 24, 14, 55, 25], - [42, 45, 15, 32, 46, 16], - - // 39 - [20, 147, 117, 4, 148, 118], - [40, 75, 47, 7, 76, 48], - [43, 54, 24, 22, 55, 25], - [10, 45, 15, 67, 46, 16], - - // 40 - [19, 148, 118, 6, 149, 119], - [18, 75, 47, 31, 76, 48], - [34, 54, 24, 34, 55, 25], - [20, 45, 15, 61, 46, 16] - ]; - - var qrRSBlock = function(totalCount, dataCount) { - var _this = {}; - _this.totalCount = totalCount; - _this.dataCount = dataCount; - return _this; - }; - - var _this = {}; - - var getRsBlockTable = function(typeNumber, errorCorrectionLevel) { - - switch(errorCorrectionLevel) { - case QRErrorCorrectionLevel.L : - return RS_BLOCK_TABLE[(typeNumber - 1) * 4 + 0]; - case QRErrorCorrectionLevel.M : - return RS_BLOCK_TABLE[(typeNumber - 1) * 4 + 1]; - case QRErrorCorrectionLevel.Q : - return RS_BLOCK_TABLE[(typeNumber - 1) * 4 + 2]; - case QRErrorCorrectionLevel.H : - return RS_BLOCK_TABLE[(typeNumber - 1) * 4 + 3]; - default : - return undefined; - } - }; - - _this.getRSBlocks = function(typeNumber, errorCorrectionLevel) { - - var rsBlock = getRsBlockTable(typeNumber, errorCorrectionLevel); - - if (typeof rsBlock == 'undefined') { - throw 'bad rs block @ typeNumber:' + typeNumber + - '/errorCorrectionLevel:' + errorCorrectionLevel; - } - - var length = rsBlock.length / 3; - - var list = []; - - for (var i = 0; i < length; i += 1) { - - 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 += 1) { - list.push(qrRSBlock(totalCount, dataCount) ); - } - } - - return list; - }; - - return _this; - }(); - - //--------------------------------------------------------------------- - // qrBitBuffer - //--------------------------------------------------------------------- - - var qrBitBuffer = function() { - - var _buffer = []; - var _length = 0; - - var _this = {}; - - _this.getBuffer = function() { - return _buffer; - }; - - _this.getAt = function(index) { - var bufIndex = Math.floor(index / 8); - return ( (_buffer[bufIndex] >>> (7 - index % 8) ) & 1) == 1; - }; - - _this.put = function(num, length) { - for (var i = 0; i < length; i += 1) { - _this.putBit( ( (num >>> (length - i - 1) ) & 1) == 1); - } - }; - - _this.getLengthInBits = function() { - return _length; - }; - - _this.putBit = function(bit) { - - var bufIndex = Math.floor(_length / 8); - if (_buffer.length <= bufIndex) { - _buffer.push(0); - } - - if (bit) { - _buffer[bufIndex] |= (0x80 >>> (_length % 8) ); - } - - _length += 1; - }; - - return _this; - }; - - //--------------------------------------------------------------------- - // qrNumber - //--------------------------------------------------------------------- - - var qrNumber = function(data) { - - var _mode = QRMode.MODE_NUMBER; - var _data = data; - - var _this = {}; - - _this.getMode = function() { - return _mode; - }; - - _this.getLength = function(buffer) { - return _data.length; - }; - - _this.write = function(buffer) { - - var data = _data; - - var i = 0; - - while (i + 2 < data.length) { - buffer.put(strToNum(data.substring(i, i + 3) ), 10); - i += 3; - } - - if (i < data.length) { - if (data.length - i == 1) { - buffer.put(strToNum(data.substring(i, i + 1) ), 4); - } else if (data.length - i == 2) { - buffer.put(strToNum(data.substring(i, i + 2) ), 7); - } - } - }; - - var strToNum = function(s) { - var num = 0; - for (var i = 0; i < s.length; i += 1) { - num = num * 10 + chatToNum(s.charAt(i) ); - } - return num; - }; - - var chatToNum = function(c) { - if ('0' <= c && c <= '9') { - return c.charCodeAt(0) - '0'.charCodeAt(0); - } - throw 'illegal char :' + c; - }; - - return _this; - }; - - //--------------------------------------------------------------------- - // qrAlphaNum - //--------------------------------------------------------------------- - - var qrAlphaNum = function(data) { - - var _mode = QRMode.MODE_ALPHA_NUM; - var _data = data; - - var _this = {}; - - _this.getMode = function() { - return _mode; - }; - - _this.getLength = function(buffer) { - return _data.length; - }; - - _this.write = function(buffer) { - - var s = _data; - - var i = 0; - - while (i + 1 < s.length) { - buffer.put( - getCode(s.charAt(i) ) * 45 + - getCode(s.charAt(i + 1) ), 11); - i += 2; - } - - if (i < s.length) { - buffer.put(getCode(s.charAt(i) ), 6); - } - }; - - var getCode = function(c) { - - if ('0' <= c && c <= '9') { - return c.charCodeAt(0) - '0'.charCodeAt(0); - } else if ('A' <= c && c <= 'Z') { - return c.charCodeAt(0) - 'A'.charCodeAt(0) + 10; - } else { - switch (c) { - case ' ' : return 36; - case '$' : return 37; - case '%' : return 38; - case '*' : return 39; - case '+' : return 40; - case '-' : return 41; - case '.' : return 42; - case '/' : return 43; - case ':' : return 44; - default : - throw 'illegal char :' + c; - } - } - }; - - return _this; - }; - - //--------------------------------------------------------------------- - // qr8BitByte - //--------------------------------------------------------------------- - - var qr8BitByte = function(data) { - - var _mode = QRMode.MODE_8BIT_BYTE; - var _data = data; - var _bytes = qrcode.stringToBytes(data); - - var _this = {}; - - _this.getMode = function() { - return _mode; - }; - - _this.getLength = function(buffer) { - return _bytes.length; - }; - - _this.write = function(buffer) { - for (var i = 0; i < _bytes.length; i += 1) { - buffer.put(_bytes[i], 8); - } - }; - - return _this; - }; - - //--------------------------------------------------------------------- - // qrKanji - //--------------------------------------------------------------------- - - var qrKanji = function(data) { - - var _mode = QRMode.MODE_KANJI; - var _data = data; - - var stringToBytes = qrcode.stringToBytesFuncs['SJIS']; - if (!stringToBytes) { - throw 'sjis not supported.'; - } - !function(c, code) { - // self test for sjis support. - var test = stringToBytes(c); - if (test.length != 2 || ( (test[0] << 8) | test[1]) != code) { - throw 'sjis not supported.'; - } - }('\u53cb', 0x9746); - - var _bytes = stringToBytes(data); - - var _this = {}; - - _this.getMode = function() { - return _mode; - }; - - _this.getLength = function(buffer) { - return ~~(_bytes.length / 2); - }; - - _this.write = function(buffer) { - - var data = _bytes; - - var i = 0; - - while (i + 1 < data.length) { - - var c = ( (0xff & data[i]) << 8) | (0xff & data[i + 1]); - - if (0x8140 <= c && c <= 0x9FFC) { - c -= 0x8140; - } else if (0xE040 <= c && c <= 0xEBBF) { - c -= 0xC140; - } else { - throw 'illegal char at ' + (i + 1) + '/' + c; - } - - c = ( (c >>> 8) & 0xff) * 0xC0 + (c & 0xff); - - buffer.put(c, 13); - - i += 2; - } - - if (i < data.length) { - throw 'illegal char at ' + (i + 1); - } - }; - - return _this; - }; - - //===================================================================== - // GIF Support etc. - // - - //--------------------------------------------------------------------- - // byteArrayOutputStream - //--------------------------------------------------------------------- - - var byteArrayOutputStream = function() { - - var _bytes = []; - - var _this = {}; - - _this.writeByte = function(b) { - _bytes.push(b & 0xff); - }; - - _this.writeShort = function(i) { - _this.writeByte(i); - _this.writeByte(i >>> 8); - }; - - _this.writeBytes = function(b, off, len) { - off = off || 0; - len = len || b.length; - for (var i = 0; i < len; i += 1) { - _this.writeByte(b[i + off]); - } - }; - - _this.writeString = function(s) { - for (var i = 0; i < s.length; i += 1) { - _this.writeByte(s.charCodeAt(i) ); - } - }; - - _this.toByteArray = function() { - return _bytes; - }; - - _this.toString = function() { - var s = ''; - s += '['; - for (var i = 0; i < _bytes.length; i += 1) { - if (i > 0) { - s += ','; - } - s += _bytes[i]; - } - s += ']'; - return s; - }; - - return _this; - }; - - //--------------------------------------------------------------------- - // base64EncodeOutputStream - //--------------------------------------------------------------------- - - var base64EncodeOutputStream = function() { - - var _buffer = 0; - var _buflen = 0; - var _length = 0; - var _base64 = ''; - - var _this = {}; - - var writeEncoded = function(b) { - _base64 += String.fromCharCode(encode(b & 0x3f) ); - }; - - var encode = function(n) { - if (n < 0) { - // error. - } else if (n < 26) { - return 0x41 + n; - } else if (n < 52) { - return 0x61 + (n - 26); - } else if (n < 62) { - return 0x30 + (n - 52); - } else if (n == 62) { - return 0x2b; - } else if (n == 63) { - return 0x2f; - } - throw 'n:' + n; - }; - - _this.writeByte = function(n) { - - _buffer = (_buffer << 8) | (n & 0xff); - _buflen += 8; - _length += 1; - - while (_buflen >= 6) { - writeEncoded(_buffer >>> (_buflen - 6) ); - _buflen -= 6; - } - }; - - _this.flush = function() { - - if (_buflen > 0) { - writeEncoded(_buffer << (6 - _buflen) ); - _buffer = 0; - _buflen = 0; - } - - if (_length % 3 != 0) { - // padding - var padlen = 3 - _length % 3; - for (var i = 0; i < padlen; i += 1) { - _base64 += '='; - } - } - }; - - _this.toString = function() { - return _base64; - }; - - return _this; - }; - - //--------------------------------------------------------------------- - // base64DecodeInputStream - //--------------------------------------------------------------------- - - var base64DecodeInputStream = function(str) { - - var _str = str; - var _pos = 0; - var _buffer = 0; - var _buflen = 0; - - var _this = {}; - - _this.read = function() { - - while (_buflen < 8) { - - if (_pos >= _str.length) { - if (_buflen == 0) { - return -1; - } - throw 'unexpected end of file./' + _buflen; - } - - var c = _str.charAt(_pos); - _pos += 1; - - if (c == '=') { - _buflen = 0; - return -1; - } else if (c.match(/^\s$/) ) { - // ignore if whitespace. - continue; - } - - _buffer = (_buffer << 6) | decode(c.charCodeAt(0) ); - _buflen += 6; - } - - var n = (_buffer >>> (_buflen - 8) ) & 0xff; - _buflen -= 8; - return n; - }; - - var decode = function(c) { - if (0x41 <= c && c <= 0x5a) { - return c - 0x41; - } else if (0x61 <= c && c <= 0x7a) { - return c - 0x61 + 26; - } else if (0x30 <= c && c <= 0x39) { - return c - 0x30 + 52; - } else if (c == 0x2b) { - return 62; - } else if (c == 0x2f) { - return 63; - } else { - throw 'c:' + c; - } - }; - - return _this; - }; - - //--------------------------------------------------------------------- - // gifImage (B/W) - //--------------------------------------------------------------------- - - var gifImage = function(width, height) { - - var _width = width; - var _height = height; - var _data = new Array(width * height); - - var _this = {}; - - _this.setPixel = function(x, y, pixel) { - _data[y * _width + x] = pixel; - }; - - _this.write = function(out) { - - //--------------------------------- - // GIF Signature - - out.writeString('GIF87a'); - - //--------------------------------- - // Screen Descriptor - - out.writeShort(_width); - out.writeShort(_height); - - out.writeByte(0x80); // 2bit - out.writeByte(0); - out.writeByte(0); - - //--------------------------------- - // Global Color Map - - // black - out.writeByte(0x00); - out.writeByte(0x00); - out.writeByte(0x00); - - // white - out.writeByte(0xff); - out.writeByte(0xff); - out.writeByte(0xff); - - //--------------------------------- - // Image Descriptor - - out.writeString(','); - out.writeShort(0); - out.writeShort(0); - out.writeShort(_width); - out.writeShort(_height); - out.writeByte(0); - - //--------------------------------- - // Local Color Map - - //--------------------------------- - // Raster Data - - var lzwMinCodeSize = 2; - var raster = getLZWRaster(lzwMinCodeSize); - - out.writeByte(lzwMinCodeSize); - - var offset = 0; - - while (raster.length - offset > 255) { - out.writeByte(255); - out.writeBytes(raster, offset, 255); - offset += 255; - } - - out.writeByte(raster.length - offset); - out.writeBytes(raster, offset, raster.length - offset); - out.writeByte(0x00); - - //--------------------------------- - // GIF Terminator - out.writeString(';'); - }; - - var bitOutputStream = function(out) { - - var _out = out; - var _bitLength = 0; - var _bitBuffer = 0; - - var _this = {}; - - _this.write = function(data, length) { - - if ( (data >>> length) != 0) { - throw 'length over'; - } - - while (_bitLength + length >= 8) { - _out.writeByte(0xff & ( (data << _bitLength) | _bitBuffer) ); - length -= (8 - _bitLength); - data >>>= (8 - _bitLength); - _bitBuffer = 0; - _bitLength = 0; - } - - _bitBuffer = (data << _bitLength) | _bitBuffer; - _bitLength = _bitLength + length; - }; - - _this.flush = function() { - if (_bitLength > 0) { - _out.writeByte(_bitBuffer); - } - }; - - return _this; - }; - - var getLZWRaster = function(lzwMinCodeSize) { - - var clearCode = 1 << lzwMinCodeSize; - var endCode = (1 << lzwMinCodeSize) + 1; - var bitLength = lzwMinCodeSize + 1; - - // Setup LZWTable - var table = lzwTable(); - - for (var i = 0; i < clearCode; i += 1) { - table.add(String.fromCharCode(i) ); - } - table.add(String.fromCharCode(clearCode) ); - table.add(String.fromCharCode(endCode) ); - - var byteOut = byteArrayOutputStream(); - var bitOut = bitOutputStream(byteOut); - - // clear code - bitOut.write(clearCode, bitLength); - - var dataIndex = 0; - - var s = String.fromCharCode(_data[dataIndex]); - dataIndex += 1; - - while (dataIndex < _data.length) { - - var c = String.fromCharCode(_data[dataIndex]); - dataIndex += 1; - - if (table.contains(s + c) ) { - - s = s + c; - - } else { - - bitOut.write(table.indexOf(s), bitLength); - - if (table.size() < 0xfff) { - - if (table.size() == (1 << bitLength) ) { - bitLength += 1; - } - - table.add(s + c); - } - - s = c; - } - } - - bitOut.write(table.indexOf(s), bitLength); - - // end code - bitOut.write(endCode, bitLength); - - bitOut.flush(); - - return byteOut.toByteArray(); - }; - - var lzwTable = function() { - - var _map = {}; - var _size = 0; - - var _this = {}; - - _this.add = function(key) { - if (_this.contains(key) ) { - throw 'dup key:' + key; - } - _map[key] = _size; - _size += 1; - }; - - _this.size = function() { - return _size; - }; - - _this.indexOf = function(key) { - return _map[key]; - }; - - _this.contains = function(key) { - return typeof _map[key] != 'undefined'; - }; - - return _this; - }; - - return _this; - }; - - var createDataURL = function(width, height, getPixel) { - var gif = gifImage(width, height); - for (var y = 0; y < height; y += 1) { - for (var x = 0; x < width; x += 1) { - gif.setPixel(x, y, getPixel(x, y) ); - } - } - - var b = byteArrayOutputStream(); - gif.write(b); - - var base64 = base64EncodeOutputStream(); - var bytes = b.toByteArray(); - for (var i = 0; i < bytes.length; i += 1) { - base64.writeByte(bytes[i]); - } - base64.flush(); - - return 'data:image/gif;base64,' + base64; - }; - - //--------------------------------------------------------------------- - // returns qrcode function. - - return qrcode; + return qrcode; }(); // multibyte support -!function() { - - qrcode.stringToBytesFuncs['UTF-8'] = function(s) { - // http://stackoverflow.com/questions/18729405/how-to-convert-utf8-string-to-byte-array - function toUTF8Array(str) { - var utf8 = []; - for (var i=0; i < str.length; i++) { - var charcode = str.charCodeAt(i); - if (charcode < 0x80) utf8.push(charcode); - else if (charcode < 0x800) { - utf8.push(0xc0 | (charcode >> 6), - 0x80 | (charcode & 0x3f)); - } - else if (charcode < 0xd800 || charcode >= 0xe000) { - utf8.push(0xe0 | (charcode >> 12), - 0x80 | ((charcode>>6) & 0x3f), - 0x80 | (charcode & 0x3f)); - } - // surrogate pair - else { - i++; - // UTF-16 encodes 0x10000-0x10FFFF by - // subtracting 0x10000 and splitting the - // 20 bits of 0x0-0xFFFFF into two halves - charcode = 0x10000 + (((charcode & 0x3ff)<<10) - | (str.charCodeAt(i) & 0x3ff)); - utf8.push(0xf0 | (charcode >>18), - 0x80 | ((charcode>>12) & 0x3f), - 0x80 | ((charcode>>6) & 0x3f), - 0x80 | (charcode & 0x3f)); - } - } - return utf8; - } - return toUTF8Array(s); - }; +!function () { + qrcode.stringToBytesFuncs['UTF-8'] = function (s) { + // http://stackoverflow.com/questions/18729405/how-to-convert-utf8-string-to-byte-array + function toUTF8Array(str) { + let utf8 = []; + for (let i = 0; i < str.length; i++) { + let charcode = str.charCodeAt(i); + if (charcode < 0x80) utf8.push(charcode); + else if (charcode < 0x800) { + utf8.push(0xc0 | (charcode >> 6), + 0x80 | (charcode & 0x3f)); + } + else if (charcode < 0xd800 || charcode >= 0xe000) { + utf8.push(0xe0 | (charcode >> 12), + 0x80 | ((charcode >> 6) & 0x3f), + 0x80 | (charcode & 0x3f)); + } + // surrogate pair + else { + i++; + // UTF-16 encodes 0x10000-0x10FFFF by + // subtracting 0x10000 and splitting the + // 20 bits of 0x0-0xFFFFF into two halves + charcode = 0x10000 + (((charcode & 0x3ff) << 10) | + (str.charCodeAt(i) & 0x3ff)); + utf8.push(0xf0 | (charcode >> 18), + 0x80 | ((charcode >> 12) & 0x3f), + 0x80 | ((charcode >> 6) & 0x3f), + 0x80 | (charcode & 0x3f)); + } + } + return utf8; + } + return toUTF8Array(s); + }; }(); (function (factory) { - if (typeof define === 'function' && define.amd) { - define([], factory); - } else if (typeof exports === 'object') { - module.exports = factory(); - } + if (typeof define === 'function' && define.amd) { + define([], factory); + } + else if (typeof exports === 'object') { + module.exports = factory(); + } }(function () { - return qrcode; + return qrcode; })); diff --git a/js/qrcode.min.js b/js/qrcode.min.js new file mode 100644 index 0000000..38dcf90 --- /dev/null +++ b/js/qrcode.min.js @@ -0,0 +1,2 @@ +var qrcode=function(){var t=function(t,e){let r,n,o=t,i=l[e],u=null,f=0,a=null,c=[],g="black",h="white",s=null,w=[],m={};var b=function(t,e){u=function(t){let e=new Array(t);for(let r=0;r=7&&D(t),null===a&&(a=P(o,i,c)),T(a,e)},L=function(t,e){for(let r=-1;r<=7;r++)if(!(t+r<=-1||t+r>=f))for(let n=-1;n<=7;n++)e+n<=-1||e+n>=f||(u[t+r][e+n]=0<=r&&r<=6&&(0===n||6===n)||0<=n&&n<=6&&(0===r||6===r)||2<=r&&r<=4&&2<=n&&n<=4)},v=function(){for(let t=8;t>r&1);u[Math.floor(r/3)][r%3+f-8-3]=n}for(let r=0;r<18;r++){let n=!t&&1==(e>>r&1);u[r%3+f-8-3][Math.floor(r/3)]=n}},I=function(t,e){let r=i<<3|e,n=d.getBCHTypeInfo(r);for(let e=0;e<15;e++){let r=!t&&1==(n>>e&1);e<6?u[e][8]=r:e<8?u[e+1][8]=r:u[f-15+e][8]=r}for(let e=0;e<15;e++){let r=!t&&1==(n>>e&1);e<8?u[8][f-e-1]=r:e<9?u[8][15-e-1+1]=r:u[8][15-e-1]=r}u[f-8][8]=!t},T=function(t,e){let r=-1,n=f-1,o=7,l=0,i=d.getMaskFunction(e);for(let e=f-1;e>0;e-=2)for(6===e&&(e-=1);;){for(let r=0;r<2;r++)if(null===u[n][e-r]){let f=!1;l>>o&1)),i(n,e-r)&&(f=!f),u[n][e-r]=f,-1===(o-=1)&&(l++,o=7)}if((n+=r)<0||n>=f){n-=r,r=-r;break}}},P=function(t,e,r){let n=y.getRSBlocks(t,e),o=B();for(let e=0;e8*l)throw"code length overflow. 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\ No newline at end of file diff --git a/js/sample.css b/js/sample.css new file mode 100644 index 0000000..50833e8 --- /dev/null +++ b/js/sample.css @@ -0,0 +1,49 @@ +html +{ + background: #f0f0f0; +} +body, +input, +select, +button +{ + font: 16px sans-serif; + line-height: 133%; +} +h1 +{ + text-align: center; +} +textarea +{ + width: 95%; + height: 100px; + resize: vertical; + font-size: 16px; +} +p +{ + margin: 1em auto; + text-align: center; +} +#qr +{ + margin: 3em auto; + text-align: center; +} +#qr > *:not(strong) +{ + outline: solid 1px #e0e0e0; +} +#qr pre +{ + display: inline-block; + background: white; + color: black; + font-size: 8px; + line-height: 100%; +} +#qr table +{ + margin: 0 auto; +} diff --git a/js/sample.html b/js/sample.html index 11bd2a8..5c6a484 100644 --- a/js/sample.html +++ b/js/sample.html @@ -1,49 +1,144 @@ - - - - - - - - - - QR Code Generator for JavaScript - - -
- TypeNumber: - - ErrorCorrectionLevel: - - Mode: - - Multibyte: - -
- -
- -
-
- + + + + + + + + + QR Code Generator for JavaScript + + + +

QR Code Generator for JavaScript

+ +
+

+
+ +   + +

+

+ Cell size: + +   + Padding: + +

+

+ Image type: + +   + Foreground: + +   + Background: + +

+

+ Content mode: + +   + Multibyte text: + +   + Size type: + +

+

+ Error correction level: + +   + Mask pattern: + +

+
+

+ +

+

+ +

+
+ diff --git a/js/sample.js b/js/sample.js index d351b05..a46c974 100644 --- a/js/sample.js +++ b/js/sample.js @@ -1,49 +1,176 @@ +var downloadFileName, downloadType, downloadData; -var body_loadHander = function() { +var body_loadHander = function () { + let form = document.forms['qrForm']; + form.elements['trim'].addEventListener("click", update_qrcode); + form.elements['msg'].addEventListener("input", update_qrcode); + form.elements['t'].addEventListener("change", update_qrcode); + form.elements['cellsize'].addEventListener("input", update_qrcode); + form.elements['padding'].addEventListener("input", update_qrcode); + form.elements['e'].addEventListener("change", update_qrcode); + form.elements['m'].addEventListener("change", update_qrcode); + form.elements['mb'].addEventListener("change", update_qrcode); + form.elements['format'].addEventListener("change", update_qrcode); + form.elements['foreground'].addEventListener("change", update_qrcode); + form.elements['background'].addEventListener("change", update_qrcode); + form.elements['mask'].addEventListener("change", update_qrcode); + update_qrcode(); - var crtOpt = function(value, label) { - var opt = document.createElement('option'); - opt.appendChild(document.createTextNode(label) ); - opt.value = value; - return opt; - }; - - var t = document.forms['qrForm'].elements['t']; - t.appendChild(crtOpt('' + 0, 'Auto Detect') ); - for (var i = 1; i <= 40; i += 1) { - t.appendChild(crtOpt('' + i, '' + i) ); - } - t.value = '0'; - - update_qrcode(); + document.getElementById("download").addEventListener("click", function () { + if (downloadData) + download(downloadFileName, downloadType, downloadData); + }); }; -var draw_qrcode = function(text, typeNumber, errorCorrectionLevel) { - document.write(create_qrcode(text, typeNumber, errorCorrectionLevel) ); +var draw_qrcode = function (text, typeNumber, errorCorrectionLevel) { + document.write(create_qrcode(text, typeNumber, errorCorrectionLevel)); }; -var create_qrcode = function(text, typeNumber, - errorCorrectionLevel, mode, mb) { +var create_qrcode = function (text, typeNumber, cellsize, padding, errorCorrectionLevel, mode, mb, format, fg, bg, mask) { + if (!mode) { + if (text.match(/^[0-9]+$/)) + mode = "Numeric"; + else if (text.match(/^[0-9A-Z $%*+/.:-]+$/)) + mode = "Alphanumeric"; + else + mode = "Byte"; + } + + let info = document.getElementById("qr-info"); + downloadData = undefined; + + var showLength = function (len) { + if (len < 1024) + len += " B"; + else if (len < 10240) + len = Math.round(len * 100 / 1024) / 100 + " KiB"; + else + len = Math.round(len * 10 / 1024) / 10 + " KiB"; + info.innerHTML += ", file size: " + len + ""; + }; - qrcode.stringToBytes = qrcode.stringToBytesFuncs[mb]; + try { + qrcode.stringToBytes = qrcode.stringToBytesFuncs[mb]; - var qr = qrcode(typeNumber || 4, errorCorrectionLevel || 'M'); - qr.addData(text, mode); - qr.make(); + let qr = qrcode(typeNumber || 0, errorCorrectionLevel || 'M'); + if (mask > 0) + qr.setMaskPattern(mask - 1); + qr.addData(text, mode); + qr.make(); + qr.setColors(fg, bg); -// return qr.createTableTag(); -// return qr.createSvgTag(); - return qr.createImgTag(); + let maskPattern = qr.getMaskPattern(); + let bestMaskPattern = qr.getBestMaskPattern(); + let scores = qr.getMaskPatternPenaltyScores(); + let minScore = Math.min.apply(null, scores); + let maskField = document.forms['qrForm'].elements['mask']; + for (let i = 0; i <= 8; i++) { + if (i === 0) { + maskField.children[i].textContent = "Best (" + (bestMaskPattern + 1) + ")"; + } + else if (scores[i - 1] === minScore) { + maskField.children[i].textContent = i + " (best)"; + } + else { + let worse = scores[i - 1] / minScore - 1; + maskField.children[i].textContent = i + " (" + (Math.round(worse * 1000) / 10) + "% worse)"; + } + } + + let size = qr.getModuleCount() * cellsize + padding * 2; + info.innerHTML = "Size type: " + qr.getTypeNumber() + ", " + + "code columns: " + qr.getModuleCount() + ", " + + "filled blocks: " + qr.getDarkCount() + " (" + Math.round(qr.getDarkCount() / (qr.getModuleCount() * qr.getModuleCount()) * 100) + "%)
" + + "Image size: " + size + "x" + size + " px"; + + switch (format) { + case "svg": + downloadFileName = "qr.svg"; + downloadType = "image/svg"; + downloadData = qr.createSvgTag(cellsize, padding); + showLength(downloadData.length); + return downloadData; + case "gif": + case "png": + case "webp": + case "jpeg": + var canvas = document.createElement("canvas"); + canvas.width = canvas.height = qr.getModuleCount() * cellsize + padding * 2; + var context = canvas.getContext("2d"); + qr.renderTo2dContext(context, cellsize, padding); + downloadFileName = "qr." + format; + downloadType = ""; // raw download data URL + downloadData = canvas.toDataURL("image/" + format); + showLength(downloadData.replace(/^data:image\/[a-z]+;base64,/, "").length * 3 / 4); + var warning = ""; + var m = downloadData.match(/^data:image\/([a-z0-9]+)/); + if (m && m[1] !== format) + warning = "

Attention: This browser cannot generate " + + format.toUpperCase() + " images and made a " + m[1].toUpperCase() + " instead."; + return '' + warning; + case "gif-direct": + downloadFileName = "qr.gif"; + downloadType = ""; // raw download data URL + downloadData = qr.createDataURL(cellsize, padding); + showLength(downloadData.replace(/^data:image\/[a-z]+;base64,/, "").length * 3 / 4); + return qr.createImgTag(cellsize, padding); + case "ascii": + downloadFileName = "qr.txt"; + downloadType = "text/plain"; + downloadData = qr.createASCII(cellsize, padding); + showLength(downloadData.length); + return "
" + downloadData + "
"; + case "ascii-inv": + downloadFileName = "qr.txt"; + downloadType = "text/plain"; + downloadData = qr.createASCII(cellsize, padding, true); + showLength(downloadData.length); + return "
" + downloadData + "
"; + case "table": + downloadFileName = "qr.html"; + downloadType = "text/html"; + downloadData = qr.createTableTag(cellsize, padding); + showLength(downloadData.length); + return downloadData; + } + } + catch (error) { + console.error(error); + info.innerHTML = "Error: " + error; + return ""; + } }; -var update_qrcode = function() { - var form = document.forms['qrForm']; - var text = form.elements['msg'].value. - replace(/^[\s\u3000]+|[\s\u3000]+$/g, ''); - var t = form.elements['t'].value; - var e = form.elements['e'].value; - var m = form.elements['m'].value; - var mb = form.elements['mb'].value; - document.getElementById('qr').innerHTML = - create_qrcode(text, t, e, m, mb); +var update_qrcode = function () { + let form = document.forms['qrForm']; + let trim = form.elements['trim'].checked; + let text = form.elements['msg'].value; + if (trim) + text = text.replace(/^[\s\u3000]+|[\s\u3000]+$/g, ''); // U+3000 Ideographic Space + let t = form.elements['t'].value; + let cellsize = +form.elements['cellsize'].value; + let padding = +form.elements['padding'].value * cellsize; + let e = form.elements['e'].value; + let m = form.elements['m'].value; + let mb = form.elements['mb'].value; + let format = form.elements['format'].value; + let fg = form.elements['foreground'].value; + let bg = form.elements['background'].value; + let mask = form.elements['mask'].value; + document.getElementById("length").innerHTML = "(" + text.length + " characters)"; + document.getElementById('qr').innerHTML = create_qrcode(text, t, cellsize, padding, e, m, mb, format, fg, bg, mask); }; + +// Source: https://ourcodeworld.com/articles/read/189/how-to-create-a-file-and-generate-a-download-with-javascript-in-the-browser-without-a-server +function download(filename, mimeType, text) { + let element = document.createElement("a"); + if (downloadType) + element.setAttribute("href", "data:" + mimeType + ";charset=utf-8," + encodeURIComponent(text)); + else + element.setAttribute("href", text); + element.setAttribute("download", filename); + element.style.display = "none"; + document.body.appendChild(element); + element.click(); + document.body.removeChild(element); +}