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|
-
-
- var qrcode = function(typeNumber, errorCorrectLevel) {
-
- var PAD0 = 0xEC;
- var PAD1 = 0x11;
-
- var _typeNumber = typeNumber;
- var _errorCorrectLevel = QRErrorCorrectLevel[errorCorrectLevel];
- var _modules = null;
- var _moduleCount = 0;
- var _dataCache = null;
- var _dataList = new Array();
-
- 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, _errorCorrectLevel, _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 = (_errorCorrectLevel << 3) | maskPattern;
- var bits = QRUtil.getBCHTypeInfo(data);
-
-
- 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;
- }
- }
-
-
- 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;
- }
- }
-
-
- _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, errorCorrectLevel, dataList) {
-
- var rsBlocks = QRRSBlock.getRSBlocks(typeNumber, errorCorrectLevel);
-
- 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);
- }
-
-
- var totalDataCount = 0;
- for (var i = 0; i < rsBlocks.length; i += 1) {
- totalDataCount += rsBlocks[i].dataCount;
- }
-
- if (buffer.getLengthInBits() > totalDataCount * 8) {
- throw new Error('code length overflow. ('
- + buffer.getLengthInBits()
- + '>'
- + totalDataCount * 8
- + ')');
- }
-
-
- if (buffer.getLengthInBits() + 4 <= totalDataCount * 8) {
- buffer.put(0, 4);
- }
-
-
- while (buffer.getLengthInBits() % 8 != 0) {
- buffer.putBit(false);
- }
-
-
- while (true) {
-
- if (buffer.getLengthInBits() >= totalDataCount * 8) {
- break;
- }
- buffer.put(PAD0, 8);
-
- if (buffer.getLengthInBits() >= totalDataCount * 8) {
- break;
- }
- buffer.put(PAD1, 8);
- }
-
- return createBytes(buffer, rsBlocks);
- };
-
- _this.addData = function(data) {
- var newData = qr8BitByte(data);
- _dataList.push(newData);
- _dataCache = null;
- };
-
- _this.isDark = function(row, col) {
- if (row < 0 || _moduleCount <= row || col < 0 || _moduleCount <= col) {
- throw new Error(row + ',' + col);
- }
- return _modules[row][col];
- };
-
- _this.getModuleCount = function() {
- return _moduleCount;
- };
-
- _this.make = function() {
- makeImpl(false, getBestMaskPattern() );
- };
-
- _this.createTableTag = function(cellSize, margin) {
-
- cellSize = cellSize || 2;
- margin = (typeof margin == 'undefined')? cellSize * 4 : margin;
-
- var qrHtml = '';
-
- qrHtml += '<table style="';
- qrHtml += ' border-width: 0px; border-style: none;';
- qrHtml += ' border-collapse: collapse;';
- qrHtml += ' padding: 0px; margin: ' + margin + 'px;';
- qrHtml += '">';
- qrHtml += '<tbody>';
-
- for (var r = 0; r < _this.getModuleCount(); r += 1) {
-
- qrHtml += '<tr>';
-
- for (var c = 0; c < _this.getModuleCount(); c += 1) {
- qrHtml += '<td style="';
- qrHtml += ' border-width: 0px; border-style: none;';
- qrHtml += ' border-collapse: collapse;';
- qrHtml += ' padding: 0px; margin: 0px;';
- qrHtml += ' width: ' + cellSize + 'px;';
- qrHtml += ' height: ' + cellSize + 'px;';
- qrHtml += ' background-color: ';
- qrHtml += _this.isDark(r, c)? '#000000' : '#ffffff';
- qrHtml += ';';
- qrHtml += '"/>';
- }
-
- qrHtml += '</tr>';
- }
-
- qrHtml += '</tbody>';
- qrHtml += '</table>';
-
- return qrHtml;
- };
-
- _this.createImgTag = function(cellSize, margin, size) {
-
- cellSize = cellSize || 2;
- margin = (typeof margin == 'undefined')? cellSize * 4 : margin;
-
- var min = margin;
- var max = _this.getModuleCount() * cellSize + margin;
-
- return createImgTag(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;
- }
- } );
- };
-
- return _this;
- };
-
-
- qrcode.stringToBytes = function(s) {
- var bytes = new Array();
- for (var i = 0; i < s.length; i += 1) {
- var c = s.charCodeAt(i);
- bytes.push(c & 0xff);
- }
- return bytes;
- };
-
-
- qrcode.createStringToBytes = function(unicodeData, numChars) {
-
-
-
- var unicodeMap = function() {
-
- var bin = base64DecodeInputStream(unicodeData);
- var read = function() {
- var b = bin.read();
- if (b == -1) throw new Error();
- 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 new Error(count + ' != ' + numChars);
- }
-
- return unicodeMap;
- }();
-
- var unknownChar = '?'.charCodeAt(0);
-
- return function(s) {
- var bytes = new Array();
- 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) {
-
- bytes.push(b);
- } else {
-
- bytes.push(b >>> 8);
- bytes.push(b & 0xff);
- }
- } else {
- bytes.push(unknownChar);
- }
- }
- }
- return bytes;
- };
- };
-
-
- var QRMode = {
- MODE_NUMBER : 1 << 0,
- MODE_ALPHA_NUM : 1 << 1,
- MODE_8BIT_BYTE : 1 << 2,
- MODE_KANJI : 1 << 3
- };
-
-
- var QRErrorCorrectLevel = {
- L : 1,
- M : 0,
- Q : 3,
- H : 2
- };
-
-
- var QRMaskPattern = {
- PATTERN000 : 0,
- PATTERN001 : 1,
- PATTERN010 : 2,
- PATTERN011 : 3,
- PATTERN100 : 4,
- PATTERN101 : 5,
- PATTERN110 : 6,
- PATTERN111 : 7
- };
-
-
- var QRUtil = 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 new Error('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) {
-
-
-
- switch(mode) {
- case QRMode.MODE_NUMBER : return 10;
- case QRMode.MODE_ALPHA_NUM : return 9;
- case QRMode.MODE_8BIT_BYTE : return 8;
- case QRMode.MODE_KANJI : return 8;
- default :
- throw new Error('mode:' + mode);
- }
-
- } else if (type < 27) {
-
-
-
- switch(mode) {
- case QRMode.MODE_NUMBER : return 12;
- case QRMode.MODE_ALPHA_NUM : return 11;
- case QRMode.MODE_8BIT_BYTE : return 16;
- case QRMode.MODE_KANJI : return 10;
- default :
- throw new Error('mode:' + mode);
- }
-
- } else if (type < 41) {
-
-
-
- switch(mode) {
- case QRMode.MODE_NUMBER : return 14;
- case QRMode.MODE_ALPHA_NUM : return 13;
- case QRMode.MODE_8BIT_BYTE : return 16;
- case QRMode.MODE_KANJI : return 12;
- default :
- throw new Error('mode:' + mode);
- }
-
- } else {
- throw new Error('type:' + type);
- }
- };
-
- _this.getLostPoint = function(qrcode) {
-
- var moduleCount = qrcode.getModuleCount();
-
- var lostPoint = 0;
-
-
-
- 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);
- }
- }
- };
-
-
-
- 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;
- }
- }
- }
-
-
-
- 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;
- }
- }
- }
-
-
-
- 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;
- }();
-
-
- var QRMath = function() {
-
- var EXP_TABLE = new Array(256);
- var LOG_TABLE = new Array(256);
-
-
- 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 new Error('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;
- }();
-
-
- function qrPolynomial(num, shift) {
-
- if (typeof num.length == 'undefined') {
- throw new Error(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);
- }
-
-
- return qrPolynomial(num, 0).mod(e);
- };
-
- return _this;
- };
-
-
- var QRRSBlock = function() {
-
-
-
- var RS_BLOCK_TABLE=[[1,26,19],[1,26,16],[1,26,13],[1,26,9],[1,44,34],[1,44,28],[1,44,22],[1,44,16],[1,70,55],[1,70,44],[2,35,17],[2,35,13],[1,100,80],[2,50,32],[2,50,24],[4,25,9],[1,134,108],[2,67,43],[2,33,15,2,34,16],[2,33,11,2,34,12],[2,86,68],[4,43,27],[4,43,19],[4,43,15],[2,98,78],[4,49,31],[2,32,14,4,33,15],[4,39,13,1,40,14],[2,121,97],[2,60,38,2,61,39],[4,40,18,2,41,19],[4,40,14,2,41,15],[2,146,116],[3,58,36,2,59,37],[4,36,16,4,37,17],[4,36,12,4,37,13],[2,86,68,2,87,69],[4,69,43,1,70,44],[6,43,19,2,44,20],[6,43,15,2,44,16],[4,101,81],[1,80,50,4,81,51],[4,50,22,4,51,23],[3,36,12,8,37,13],[2,116,92,2,117,93],[6,58,36,2,59,37],[4,46,20,6,47,21],[7,42,14,4,43,15],[4,133,107],[8,59,37,1,60,38],[8,44,20,4,45,21],[12,33,11,4,34,12],[3,145,115,1,146,116],[4,64,40,5,65,41],[11,36,16,5,37,17],[11,36,12,5,37,13],[5,109,87,1,110,88],[5,65,41,5,66,42],[5,54,24,7,55,25],[11,36,12],[5,122,98,1,123,99],[7,73,45,3,74,46],[15,43,19,2,44,20],[3,45,15,13,46,16],[1,135,107,5,136,108],[10,74,46,1,75,47],[1,50,22,15,51,23],[2,42,14,17,43,15],[5,150,120,1,151,121],[9,69,43,4,70,44],[17,50,22,1,51,23],[2,42,14,19,43,15],[3,141,113,4,142,114],[3,70,44,11,71,45],[17,47,21,4,48,22],[9,39,13,16,40,14],[3,135,107,5,136,108],[3,67,41,13,68,42],[15,54,24,5,55,25],[15,43,15,10,44,16],[4,144,116,4,145,117],[17,68,42],[17,50,22,6,51,23],[19,46,16,6,47,17],[2,139,111,7,140,112],[17,74,46],[7,54,24,16,55,25],[34,37,13],[4,151,121,5,152,122],[4,75,47,14,76,48],[11,54,24,14,55,25],[16,45,15,14,46,16],[6,147,117,4,148,118],[6,73,45,14,74,46],[11,54,24,16,55,25],[30,46,16,2,47,17],[8,132,106,4,133,107],[8,75,47,13,76,48],[7,54,24,22,55,25],[22,45,15,13,46,16],[10,142,114,2,143,115],[19,74,46,4,75,47],[28,50,22,6,51,23],[33,46,16,4,47,17],[8,152,122,4,153,123],[22,73,45,3,74,46],[8,53,23,26,54,24],[12,45,15,28,46,16],[3,147,117,10,148,118],[3,73,45,23,74,46],[4,54,24,31,55,25],[11,45,15,31,46,16],[7,146,116,7,147,117],[21,73,45,7,74,46],[1,53,23,37,54,24],[19,45,15,26,46,16],[5,145,115,10,146,116],[19,75,47,10,76,48],[15,54,24,25,55,25],[23,45,15,25,46,16],[13,145,115,3,146,116],[2,74,46,29,75,47],[42,54,24,1,55,25],[23,45,15,28,46,16],[17,145,115],[10,74,46,23,75,47],[10,54,24,35,55,25],[19,45,15,35,46,16],[17,145,115,1,146,116],[14,74,46,21,75,47],[29,54,24,19,55,25],[11,45,15,46,46,16],[13,145,115,6,146,116],[14,74,46,23,75,47],[44,54,24,7,55,25],[59,46,16,1,47,17],[12,151,121,7,152,122],[12,75,47,26,76,48],[39,54,24,14,55,25],[22,45,15,41,46,16],[6,151,121,14,152,122],[6,75,47,34,76,48],[46,54,24,10,55,25],[2,45,15,64,46,16],[17,152,122,4,153,123],[29,74,46,14,75,47],[49,54,24,10,55,25],[24,45,15,46,46,16],[4,152,122,18,153,123],[13,74,46,32,75,47],[48,54,24,14,55,25],[42,45,15,32,46,16],[20,147,117,4,148,118],[40,75,47,7,76,48],[43,54,24,22,55,25],[10,45,15,67,46,16],[19,148,118,6,149,119],[18,75,47,31,76,48],[34,54,24,34,55,25],[20,45,15,61,46,16]];
-
- var qrRSBlock = function(totalCount, dataCount) {
- var _this = {};
- _this.totalCount = totalCount;
- _this.dataCount = dataCount;
- return _this;
- };
-
- var _this = {};
-
- var getRsBlockTable = function(typeNumber, errorCorrectLevel) {
-
- switch(errorCorrectLevel) {
- case QRErrorCorrectLevel.L :
- return RS_BLOCK_TABLE[(typeNumber - 1) * 4 + 0];
- case QRErrorCorrectLevel.M :
- return RS_BLOCK_TABLE[(typeNumber - 1) * 4 + 1];
- case QRErrorCorrectLevel.Q :
- return RS_BLOCK_TABLE[(typeNumber - 1) * 4 + 2];
- case QRErrorCorrectLevel.H :
- return RS_BLOCK_TABLE[(typeNumber - 1) * 4 + 3];
- default :
- return undefined;
- }
- };
-
- _this.getRSBlocks = function(typeNumber, errorCorrectLevel) {
-
- var rsBlock = getRsBlockTable(typeNumber, errorCorrectLevel);
-
- if (typeof rsBlock == 'undefined') {
- throw new Error('bad rs block [url=home.php?mod=space&uid=5302]@[/url] typeNumber:' + typeNumber +
- '/errorCorrectLevel:' + errorCorrectLevel);
- }
-
- var length = rsBlock.length / 3;
-
- var list = new Array();
-
- 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;
- }();
-
-
- var qrBitBuffer = function() {
-
- var _buffer = new Array();
- 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;
- };
-
-
- var qr8BitByte = function(data) {
-
- var _mode = QRMode.MODE_8BIT_BYTE;
- var _data = data;
- var _parsedData = [];
-
- var _this = {};
-
-
-
- for (var i = 0, l = _data.length; i < l; i++) {
- var byteArray = [];
- var code = _data.charCodeAt(i);
-
- if (code > 0x10000) {
- byteArray[0] = 0xF0 | ((code & 0x1C0000) >>> 18);
- byteArray[1] = 0x80 | ((code & 0x3F000) >>> 12);
- byteArray[2] = 0x80 | ((code & 0xFC0) >>> 6);
- byteArray[3] = 0x80 | (code & 0x3F);
- } else if (code > 0x800) {
- byteArray[0] = 0xE0 | ((code & 0xF000) >>> 12);
- byteArray[1] = 0x80 | ((code & 0xFC0) >>> 6);
- byteArray[2] = 0x80 | (code & 0x3F);
- } else if (code > 0x80) {
- byteArray[0] = 0xC0 | ((code & 0x7C0) >>> 6);
- byteArray[1] = 0x80 | (code & 0x3F);
- } else {
- byteArray[0] = code;
- }
-
-
- _parsedData.push(byteArray);
- }
-
- _parsedData = Array.prototype.concat.apply([], _parsedData);
-
- if (_parsedData.length != _data.length) {
- _parsedData.unshift(191);
- _parsedData.unshift(187);
- _parsedData.unshift(239);
- }
-
- var _bytes = _parsedData;
-
- _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;
- };
-
-
-
- var byteArrayOutputStream = function() {
-
- var _bytes = new Array();
-
- 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;
- };
-
-
- 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) {
-
- } 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 new Error('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) {
-
- var padlen = 3 - _length % 3;
- for (var i = 0; i < padlen; i += 1) {
- _base64 += '=';
- }
- }
- };
-
- _this.toString = function() {
- return _base64;
- };
-
- return _this;
- };
-
-
- 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 new Error('unexpected end of file./' + _buflen);
- }
-
- var c = _str.charAt(_pos);
- _pos += 1;
-
- if (c == '=') {
- _buflen = 0;
- return -1;
- } else if (c.match(/^\s$/) ) {
-
- 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 new Error('c:' + c);
- }
- };
-
- return _this;
- };
-
-
- 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) {
-
-
-
-
- out.writeString('GIF87a');
-
-
-
-
- out.writeShort(_width);
- out.writeShort(_height);
-
- out.writeByte(0x80);
- out.writeByte(0);
- out.writeByte(0);
-
-
-
-
-
- out.writeByte(0x00);
- out.writeByte(0x00);
- out.writeByte(0x00);
-
-
- out.writeByte(0xff);
- out.writeByte(0xff);
- out.writeByte(0xff);
-
-
-
-
- out.writeString(',');
- out.writeShort(0);
- out.writeShort(0);
- out.writeShort(_width);
- out.writeShort(_height);
- out.writeByte(0);
-
-
-
-
-
-
-
- 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);
-
-
-
- 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 new Error('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;
-
-
- 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);
-
-
- 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);
-
-
- 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 new Error('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 createImgTag = function(width, height, getPixel, alt) {
-
- 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();
-
- var img = '';
- img += 'data:image/gif;base64,';
- img += base64;
-
- return img;
- };
-
-
- var createQrCodeImg = function(text, options) {
- options = options || {};
- var typeNumber = options.typeNumber || 4;
- var errorCorrectLevel = options.errorCorrectLevel || 'M';
- var size = options.size || 500;
-
- var qr;
-
- try {
- qr = qrcode(typeNumber, errorCorrectLevel || 'M');
- qr.addData(text);
- qr.make();
- } catch (e) {
- if(typeNumber >= 40) {
- throw new Error('Text too long to encode');
- } else {
- return gen(text, {
- size: size,
- errorCorrectLevel: errorCorrectLevel,
- typeNumber: typeNumber + 1
- });
- }
- }
-
- var cellsize = parseInt(size / qr.getModuleCount());
- var margin = parseInt((size - qr.getModuleCount() * cellsize) / 2);
-
- return qr.createImgTag(cellsize, margin, size);
- };
- module.exports = {
- createQrCodeImg : createQrCodeImg
- };
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