diff --git a/.gitignore b/.gitignore index 7ea3bb2..4cb6968 100644 --- a/.gitignore +++ b/.gitignore @@ -4,6 +4,7 @@ debug/ target/ paste_db/ file_store/ +node_modules/ # Remove Cargo.lock from gitignore if creating an executable, leave it for libraries # More information here https://doc.rust-lang.org/cargo/guide/cargo-toml-vs-cargo-lock.html diff --git a/src/paste_db.rs b/src/paste_db.rs index 4e301d5..588083b 100644 --- a/src/paste_db.rs +++ b/src/paste_db.rs @@ -1,5 +1,4 @@ extern crate sled; -use core::time; use rocket::tokio; use serde::{Deserialize, Serialize}; use sled::{Db, Result, Tree}; diff --git a/static/js/qrcode.js b/static/js/qrcode.js new file mode 100644 index 0000000..ac7f129 --- /dev/null +++ b/static/js/qrcode.js @@ -0,0 +1,2349 @@ +//--------------------------------------------------------------------- +// +// QR Code Generator for JavaScript +// +// Copyright (c) 2009 Kazuhiko Arase +// +// URL: http://www.d-project.com/ +// +// Licensed under the MIT license: +// http://www.opensource.org/licenses/mit-license.php +// +// The word 'QR Code' is registered trademark of +// DENSO WAVE INCORPORATED +// http://www.denso-wave.com/qrcode/faqpatent-e.html +// +//--------------------------------------------------------------------- + +var qrcode = (function () { + //--------------------------------------------------------------------- + // qrcode + //--------------------------------------------------------------------- + + /** + * qrcode + * @param typeNumber 1 to 40 + * @param errorCorrectionLevel 'L','M','Q','H' + */ + var qrcode = function (typeNumber, errorCorrectionLevel) { + var PAD0 = 0xec; + var PAD1 = 0x11; + + var _typeNumber = typeNumber; + var _errorCorrectionLevel = QRErrorCorrectionLevel[errorCorrectionLevel]; + var _modules = null; + var _moduleCount = 0; + var _dataCache = null; + var _dataList = []; + + var _this = {}; + + 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 += '' + + escapeXml(title.text) + + "" + : ""; + qrSvg += alt.text + ? '' + + escapeXml(alt.text) + + "" + : ""; + qrSvg += ''; + qrSvg += '": + 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(col * cellSize, row * 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; +})(); + +// 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 (factory) { + if (typeof define === "function" && define.amd) { + define([], factory); + } else if (typeof exports === "object") { + module.exports = factory(); + } +})(function () { + return qrcode; +}); diff --git a/templates/index.html.j2 b/templates/index.html.j2 index b85f301..cc4e004 100644 --- a/templates/index.html.j2 +++ b/templates/index.html.j2 @@ -114,6 +114,7 @@

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