|
|
@@ -1,1145 +0,0 @@
|
|
|
-/**
|
|
|
- * @fileoverview
|
|
|
- * - Using the 'QRCode for Javascript library'
|
|
|
- * - Fixed dataset of 'QRCode for Javascript library' for support full-spec.
|
|
|
- * - this library has no dependencies.
|
|
|
- *
|
|
|
- * @author davidshimjs
|
|
|
- * @see <a href="http://www.d-project.com/" target="_blank">http://www.d-project.com/</a>
|
|
|
- * @see <a href="http://jeromeetienne.github.com/jquery-qrcode/" target="_blank">http://jeromeetienne.github.com/jquery-qrcode/</a>
|
|
|
- */
|
|
|
-var QRCode;
|
|
|
-
|
|
|
-(function() {
|
|
|
- //---------------------------------------------------------------------
|
|
|
- // QRCode 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
|
|
|
- //
|
|
|
- //---------------------------------------------------------------------
|
|
|
- function QR8bitByte(data) {
|
|
|
- this.mode = QRMode.MODE_8BIT_BYTE;
|
|
|
- this.data = data;
|
|
|
- this.parsedData = [];
|
|
|
-
|
|
|
- // Added to support UTF-8 Characters
|
|
|
- for (var i = 0, l = this.data.length; i < l; i++) {
|
|
|
- var byteArray = [];
|
|
|
- var code = this.data.charCodeAt(i);
|
|
|
-
|
|
|
- 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;
|
|
|
- }
|
|
|
-
|
|
|
- this.parsedData.push(byteArray);
|
|
|
- }
|
|
|
-
|
|
|
- this.parsedData = Array.prototype.concat.apply([], this.parsedData);
|
|
|
-
|
|
|
- if (this.parsedData.length != this.data.length) {
|
|
|
- this.parsedData.unshift(191);
|
|
|
- this.parsedData.unshift(187);
|
|
|
- this.parsedData.unshift(239);
|
|
|
- }
|
|
|
- }
|
|
|
-
|
|
|
- QR8bitByte.prototype = {
|
|
|
- getLength: function(buffer) {
|
|
|
- return this.parsedData.length;
|
|
|
- },
|
|
|
- write: function(buffer) {
|
|
|
- for (var i = 0, l = this.parsedData.length; i < l; i++) {
|
|
|
- buffer.put(this.parsedData[i], 8);
|
|
|
- }
|
|
|
- }
|
|
|
- };
|
|
|
-
|
|
|
- function QRCodeModel(typeNumber, errorCorrectLevel) {
|
|
|
- this.typeNumber = typeNumber;
|
|
|
- this.errorCorrectLevel = errorCorrectLevel;
|
|
|
- this.modules = null;
|
|
|
- this.moduleCount = 0;
|
|
|
- this.dataCache = null;
|
|
|
- this.dataList = [];
|
|
|
- }
|
|
|
-
|
|
|
- QRCodeModel.prototype = {
|
|
|
- addData: function(data) { var newData = new QR8bitByte(data);
|
|
|
- this.dataList.push(newData);
|
|
|
- this.dataCache = null; },
|
|
|
- isDark: function(row, col) {
|
|
|
- if (row < 0 || this.moduleCount <= row || col < 0 || this.moduleCount <= col) { throw new Error(row + "," + col); }
|
|
|
- return this.modules[row][col];
|
|
|
- },
|
|
|
- getModuleCount: function() { return this.moduleCount; },
|
|
|
- make: function() { this.makeImpl(false, this.getBestMaskPattern()); },
|
|
|
- makeImpl: function(test, maskPattern) {
|
|
|
- this.moduleCount = this.typeNumber * 4 + 17;
|
|
|
- this.modules = new Array(this.moduleCount);
|
|
|
- for (var row = 0; row < this.moduleCount; row++) { this.modules[row] = new Array(this.moduleCount); for (var col = 0; col < this.moduleCount; col++) { this.modules[row][col] = null; } }
|
|
|
- this.setupPositionProbePattern(0, 0);
|
|
|
- this.setupPositionProbePattern(this.moduleCount - 7, 0);
|
|
|
- this.setupPositionProbePattern(0, this.moduleCount - 7);
|
|
|
- this.setupPositionAdjustPattern();
|
|
|
- this.setupTimingPattern();
|
|
|
- this.setupTypeInfo(test, maskPattern);
|
|
|
- if (this.typeNumber >= 7) { this.setupTypeNumber(test); }
|
|
|
- if (this.dataCache == null) { this.dataCache = QRCodeModel.createData(this.typeNumber, this.errorCorrectLevel, this.dataList); }
|
|
|
- this.mapData(this.dataCache, maskPattern);
|
|
|
- },
|
|
|
- setupPositionProbePattern: function(row, col) { for (var r = -1; r <= 7; r++) { if (row + r <= -1 || this.moduleCount <= row + r) continue; for (var c = -1; c <= 7; c++) { if (col + c <= -1 || this.moduleCount <= col + c) continue; if ((0 <= r && r <= 6 && (c == 0 || c == 6)) || (0 <= c && c <= 6 && (r == 0 || r == 6)) || (2 <= r && r <= 4 && 2 <= c && c <= 4)) { this.modules[row + r][col + c] = true; } else { this.modules[row + r][col + c] = false; } } } },
|
|
|
- getBestMaskPattern: function() {
|
|
|
- var minLostPoint = 0;
|
|
|
- var pattern = 0;
|
|
|
- for (var i = 0; i < 8; i++) { this.makeImpl(true, i); var lostPoint = QRUtil.getLostPoint(this); if (i == 0 || minLostPoint > lostPoint) { minLostPoint = lostPoint;
|
|
|
- pattern = i; } }
|
|
|
- return pattern;
|
|
|
- },
|
|
|
- createMovieClip: function(target_mc, instance_name, depth) {
|
|
|
- var qr_mc = target_mc.createEmptyMovieClip(instance_name, depth);
|
|
|
- var cs = 1;
|
|
|
- this.make();
|
|
|
- for (var row = 0; row < this.modules.length; row++) { var y = row * cs; for (var col = 0; col < this.modules[row].length; col++) { var x = col * cs; var dark = this.modules[row][col]; if (dark) { qr_mc.beginFill(0, 100);
|
|
|
- qr_mc.moveTo(x, y);
|
|
|
- qr_mc.lineTo(x + cs, y);
|
|
|
- qr_mc.lineTo(x + cs, y + cs);
|
|
|
- qr_mc.lineTo(x, y + cs);
|
|
|
- qr_mc.endFill(); } } }
|
|
|
- return qr_mc;
|
|
|
- },
|
|
|
- setupTimingPattern: function() {
|
|
|
- for (var r = 8; r < this.moduleCount - 8; r++) {
|
|
|
- if (this.modules[r][6] != null) { continue; }
|
|
|
- this.modules[r][6] = (r % 2 == 0);
|
|
|
- }
|
|
|
- for (var c = 8; c < this.moduleCount - 8; c++) {
|
|
|
- if (this.modules[6][c] != null) { continue; }
|
|
|
- this.modules[6][c] = (c % 2 == 0);
|
|
|
- }
|
|
|
- },
|
|
|
- setupPositionAdjustPattern: function() {
|
|
|
- var pos = QRUtil.getPatternPosition(this.typeNumber);
|
|
|
- for (var i = 0; i < pos.length; i++) {
|
|
|
- for (var j = 0; j < pos.length; j++) {
|
|
|
- var row = pos[i];
|
|
|
- var col = pos[j];
|
|
|
- if (this.modules[row][col] != null) { continue; }
|
|
|
- for (var r = -2; r <= 2; r++) { for (var c = -2; c <= 2; c++) { if (r == -2 || r == 2 || c == -2 || c == 2 || (r == 0 && c == 0)) { this.modules[row + r][col + c] = true; } else { this.modules[row + r][col + c] = false; } } }
|
|
|
- }
|
|
|
- }
|
|
|
- },
|
|
|
- setupTypeNumber: function(test) {
|
|
|
- var bits = QRUtil.getBCHTypeNumber(this.typeNumber);
|
|
|
- for (var i = 0; i < 18; i++) { var mod = (!test && ((bits >> i) & 1) == 1);
|
|
|
- this.modules[Math.floor(i / 3)][i % 3 + this.moduleCount - 8 - 3] = mod; }
|
|
|
- for (var i = 0; i < 18; i++) { var mod = (!test && ((bits >> i) & 1) == 1);
|
|
|
- this.modules[i % 3 + this.moduleCount - 8 - 3][Math.floor(i / 3)] = mod; }
|
|
|
- },
|
|
|
- setupTypeInfo: function(test, maskPattern) {
|
|
|
- var data = (this.errorCorrectLevel << 3) | maskPattern;
|
|
|
- var bits = QRUtil.getBCHTypeInfo(data);
|
|
|
- for (var i = 0; i < 15; i++) { var mod = (!test && ((bits >> i) & 1) == 1); if (i < 6) { this.modules[i][8] = mod; } else if (i < 8) { this.modules[i + 1][8] = mod; } else { this.modules[this.moduleCount - 15 + i][8] = mod; } }
|
|
|
- for (var i = 0; i < 15; i++) { var mod = (!test && ((bits >> i) & 1) == 1); if (i < 8) { this.modules[8][this.moduleCount - i - 1] = mod; } else if (i < 9) { this.modules[8][15 - i - 1 + 1] = mod; } else { this.modules[8][15 - i - 1] = mod; } }
|
|
|
- this.modules[this.moduleCount - 8][8] = (!test);
|
|
|
- },
|
|
|
- mapData: function(data, maskPattern) {
|
|
|
- var inc = -1;
|
|
|
- var row = this.moduleCount - 1;
|
|
|
- var bitIndex = 7;
|
|
|
- var byteIndex = 0;
|
|
|
- for (var col = this.moduleCount - 1; col > 0; col -= 2) {
|
|
|
- if (col == 6) col--;
|
|
|
- while (true) {
|
|
|
- for (var c = 0; c < 2; c++) {
|
|
|
- if (this.modules[row][col - c] == null) {
|
|
|
- var dark = false;
|
|
|
- if (byteIndex < data.length) { dark = (((data[byteIndex] >>> bitIndex) & 1) == 1); }
|
|
|
- var mask = QRUtil.getMask(maskPattern, row, col - c);
|
|
|
- if (mask) { dark = !dark; }
|
|
|
- this.modules[row][col - c] = dark;
|
|
|
- bitIndex--;
|
|
|
- if (bitIndex == -1) { byteIndex++;
|
|
|
- bitIndex = 7; }
|
|
|
- }
|
|
|
- }
|
|
|
- row += inc;
|
|
|
- if (row < 0 || this.moduleCount <= row) { row -= inc;
|
|
|
- inc = -inc; break; }
|
|
|
- }
|
|
|
- }
|
|
|
- }
|
|
|
- };
|
|
|
- QRCodeModel.PAD0 = 0xEC;
|
|
|
- QRCodeModel.PAD1 = 0x11;
|
|
|
- QRCodeModel.createData = function(typeNumber, errorCorrectLevel, dataList) {
|
|
|
- var rsBlocks = QRRSBlock.getRSBlocks(typeNumber, errorCorrectLevel);
|
|
|
- var buffer = new QRBitBuffer();
|
|
|
- for (var i = 0; i < dataList.length; i++) { var data = dataList[i];
|
|
|
- buffer.put(data.mode, 4);
|
|
|
- buffer.put(data.getLength(), QRUtil.getLengthInBits(data.mode, typeNumber));
|
|
|
- data.write(buffer); }
|
|
|
- var totalDataCount = 0;
|
|
|
- for (var i = 0; i < rsBlocks.length; i++) { totalDataCount += rsBlocks[i].dataCount; }
|
|
|
- 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(QRCodeModel.PAD0, 8);
|
|
|
- if (buffer.getLengthInBits() >= totalDataCount * 8) { break; }
|
|
|
- buffer.put(QRCodeModel.PAD1, 8);
|
|
|
- }
|
|
|
- return QRCodeModel.createBytes(buffer, rsBlocks);
|
|
|
- };
|
|
|
- QRCodeModel.createBytes = function(buffer, rsBlocks) {
|
|
|
- var offset = 0;
|
|
|
- var maxDcCount = 0;
|
|
|
- var maxEcCount = 0;
|
|
|
- var dcdata = new Array(rsBlocks.length);
|
|
|
- var ecdata = new Array(rsBlocks.length);
|
|
|
- for (var r = 0; r < rsBlocks.length; r++) {
|
|
|
- var dcCount = rsBlocks[r].dataCount;
|
|
|
- var ecCount = rsBlocks[r].totalCount - dcCount;
|
|
|
- maxDcCount = Math.max(maxDcCount, dcCount);
|
|
|
- maxEcCount = Math.max(maxEcCount, ecCount);
|
|
|
- dcdata[r] = new Array(dcCount);
|
|
|
- for (var i = 0; i < dcdata[r].length; i++) { dcdata[r][i] = 0xff & buffer.buffer[i + offset]; }
|
|
|
- offset += dcCount;
|
|
|
- var rsPoly = QRUtil.getErrorCorrectPolynomial(ecCount);
|
|
|
- var rawPoly = new QRPolynomial(dcdata[r], rsPoly.getLength() - 1);
|
|
|
- var modPoly = rawPoly.mod(rsPoly);
|
|
|
- ecdata[r] = new Array(rsPoly.getLength() - 1);
|
|
|
- for (var i = 0; i < ecdata[r].length; i++) { var modIndex = i + modPoly.getLength() - ecdata[r].length;
|
|
|
- ecdata[r][i] = (modIndex >= 0) ? modPoly.get(modIndex) : 0; }
|
|
|
- }
|
|
|
- var totalCodeCount = 0;
|
|
|
- for (var i = 0; i < rsBlocks.length; i++) { totalCodeCount += rsBlocks[i].totalCount; }
|
|
|
- var data = new Array(totalCodeCount);
|
|
|
- var index = 0;
|
|
|
- for (var i = 0; i < maxDcCount; i++) { for (var r = 0; r < rsBlocks.length; r++) { if (i < dcdata[r].length) { data[index++] = dcdata[r][i]; } } }
|
|
|
- for (var i = 0; i < maxEcCount; i++) { for (var r = 0; r < rsBlocks.length; r++) { if (i < ecdata[r].length) { data[index++] = ecdata[r][i]; } } }
|
|
|
- return data;
|
|
|
- };
|
|
|
- var QRMode = { MODE_NUMBER: 1 << 0, MODE_ALPHA_NUM: 1 << 1, MODE_8BIT_BYTE: 1 << 2, MODE_KANJI: 1 << 3 };
|
|
|
- var QRErrorCorrectLevel = { L: 1, M: 0, Q: 3, H: 2 };
|
|
|
- var QRMaskPattern = { PATTERN000: 0, PATTERN001: 1, PATTERN010: 2, PATTERN011: 3, PATTERN100: 4, PATTERN101: 5, PATTERN110: 6, PATTERN111: 7 };
|
|
|
- var QRUtil = {
|
|
|
- PATTERN_POSITION_TABLE: [
|
|
|
- [],
|
|
|
- [6, 18],
|
|
|
- [6, 22],
|
|
|
- [6, 26],
|
|
|
- [6, 30],
|
|
|
- [6, 34],
|
|
|
- [6, 22, 38],
|
|
|
- [6, 24, 42],
|
|
|
- [6, 26, 46],
|
|
|
- [6, 28, 50],
|
|
|
- [6, 30, 54],
|
|
|
- [6, 32, 58],
|
|
|
- [6, 34, 62],
|
|
|
- [6, 26, 46, 66],
|
|
|
- [6, 26, 48, 70],
|
|
|
- [6, 26, 50, 74],
|
|
|
- [6, 30, 54, 78],
|
|
|
- [6, 30, 56, 82],
|
|
|
- [6, 30, 58, 86],
|
|
|
- [6, 34, 62, 90],
|
|
|
- [6, 28, 50, 72, 94],
|
|
|
- [6, 26, 50, 74, 98],
|
|
|
- [6, 30, 54, 78, 102],
|
|
|
- [6, 28, 54, 80, 106],
|
|
|
- [6, 32, 58, 84, 110],
|
|
|
- [6, 30, 58, 86, 114],
|
|
|
- [6, 34, 62, 90, 118],
|
|
|
- [6, 26, 50, 74, 98, 122],
|
|
|
- [6, 30, 54, 78, 102, 126],
|
|
|
- [6, 26, 52, 78, 104, 130],
|
|
|
- [6, 30, 56, 82, 108, 134],
|
|
|
- [6, 34, 60, 86, 112, 138],
|
|
|
- [6, 30, 58, 86, 114, 142],
|
|
|
- [6, 34, 62, 90, 118, 146],
|
|
|
- [6, 30, 54, 78, 102, 126, 150],
|
|
|
- [6, 24, 50, 76, 102, 128, 154],
|
|
|
- [6, 28, 54, 80, 106, 132, 158],
|
|
|
- [6, 32, 58, 84, 110, 136, 162],
|
|
|
- [6, 26, 54, 82, 110, 138, 166],
|
|
|
- [6, 30, 58, 86, 114, 142, 170]
|
|
|
- ],
|
|
|
- G15: (1 << 10) | (1 << 8) | (1 << 5) | (1 << 4) | (1 << 2) | (1 << 1) | (1 << 0),
|
|
|
- G18: (1 << 12) | (1 << 11) | (1 << 10) | (1 << 9) | (1 << 8) | (1 << 5) | (1 << 2) | (1 << 0),
|
|
|
- G15_MASK: (1 << 14) | (1 << 12) | (1 << 10) | (1 << 4) | (1 << 1),
|
|
|
- getBCHTypeInfo: function(data) {
|
|
|
- var d = data << 10;
|
|
|
- while (QRUtil.getBCHDigit(d) - QRUtil.getBCHDigit(QRUtil.G15) >= 0) { d ^= (QRUtil.G15 << (QRUtil.getBCHDigit(d) - QRUtil.getBCHDigit(QRUtil.G15))); }
|
|
|
- return ((data << 10) | d) ^ QRUtil.G15_MASK;
|
|
|
- },
|
|
|
- getBCHTypeNumber: function(data) {
|
|
|
- var d = data << 12;
|
|
|
- while (QRUtil.getBCHDigit(d) - QRUtil.getBCHDigit(QRUtil.G18) >= 0) { d ^= (QRUtil.G18 << (QRUtil.getBCHDigit(d) - QRUtil.getBCHDigit(QRUtil.G18))); }
|
|
|
- return (data << 12) | d;
|
|
|
- },
|
|
|
- getBCHDigit: function(data) {
|
|
|
- var digit = 0;
|
|
|
- while (data != 0) { digit++;
|
|
|
- data >>>= 1; }
|
|
|
- return digit;
|
|
|
- },
|
|
|
- getPatternPosition: function(typeNumber) { return QRUtil.PATTERN_POSITION_TABLE[typeNumber - 1]; },
|
|
|
- getMask: function(maskPattern, i, j) { switch (maskPattern) {
|
|
|
- case QRMaskPattern.PATTERN000:
|
|
|
- return (i + j) % 2 == 0;
|
|
|
- case QRMaskPattern.PATTERN001:
|
|
|
- return i % 2 == 0;
|
|
|
- case QRMaskPattern.PATTERN010:
|
|
|
- return j % 3 == 0;
|
|
|
- case QRMaskPattern.PATTERN011:
|
|
|
- return (i + j) % 3 == 0;
|
|
|
- case QRMaskPattern.PATTERN100:
|
|
|
- return (Math.floor(i / 2) + Math.floor(j / 3)) % 2 == 0;
|
|
|
- case QRMaskPattern.PATTERN101:
|
|
|
- return (i * j) % 2 + (i * j) % 3 == 0;
|
|
|
- case QRMaskPattern.PATTERN110:
|
|
|
- return ((i * j) % 2 + (i * j) % 3) % 2 == 0;
|
|
|
- case QRMaskPattern.PATTERN111:
|
|
|
- return ((i * j) % 3 + (i + j) % 2) % 2 == 0;
|
|
|
- default:
|
|
|
- throw new Error("bad maskPattern:" + maskPattern); } },
|
|
|
- getErrorCorrectPolynomial: function(errorCorrectLength) {
|
|
|
- var a = new QRPolynomial([1], 0);
|
|
|
- for (var i = 0; i < errorCorrectLength; i++) { a = a.multiply(new QRPolynomial([1, QRMath.gexp(i)], 0)); }
|
|
|
- return a;
|
|
|
- },
|
|
|
- getLengthInBits: function(mode, type) { if (1 <= type && type < 10) { switch (mode) {
|
|
|
- case QRMode.MODE_NUMBER:
|
|
|
- return 10;
|
|
|
- case QRMode.MODE_ALPHA_NUM:
|
|
|
- return 9;
|
|
|
- case QRMode.MODE_8BIT_BYTE:
|
|
|
- return 8;
|
|
|
- case QRMode.MODE_KANJI:
|
|
|
- return 8;
|
|
|
- default:
|
|
|
- throw new Error("mode:" + mode); } } else if (type < 27) { switch (mode) {
|
|
|
- case QRMode.MODE_NUMBER:
|
|
|
- return 12;
|
|
|
- case QRMode.MODE_ALPHA_NUM:
|
|
|
- return 11;
|
|
|
- case QRMode.MODE_8BIT_BYTE:
|
|
|
- return 16;
|
|
|
- case QRMode.MODE_KANJI:
|
|
|
- return 10;
|
|
|
- default:
|
|
|
- throw new Error("mode:" + mode); } } else if (type < 41) { switch (mode) {
|
|
|
- case QRMode.MODE_NUMBER:
|
|
|
- return 14;
|
|
|
- case QRMode.MODE_ALPHA_NUM:
|
|
|
- return 13;
|
|
|
- case QRMode.MODE_8BIT_BYTE:
|
|
|
- return 16;
|
|
|
- case QRMode.MODE_KANJI:
|
|
|
- return 12;
|
|
|
- default:
|
|
|
- throw new Error("mode:" + mode); } } else { throw new Error("type:" + type); } },
|
|
|
- getLostPoint: function(qrCode) {
|
|
|
- var moduleCount = qrCode.getModuleCount();
|
|
|
- var lostPoint = 0;
|
|
|
- for (var row = 0; row < moduleCount; row++) {
|
|
|
- for (var col = 0; col < moduleCount; col++) {
|
|
|
- var sameCount = 0;
|
|
|
- var dark = qrCode.isDark(row, col);
|
|
|
- for (var r = -1; r <= 1; r++) {
|
|
|
- if (row + r < 0 || moduleCount <= row + r) { continue; }
|
|
|
- for (var c = -1; c <= 1; c++) {
|
|
|
- if (col + c < 0 || moduleCount <= col + c) { continue; }
|
|
|
- if (r == 0 && c == 0) { continue; }
|
|
|
- if (dark == qrCode.isDark(row + r, col + c)) { sameCount++; }
|
|
|
- }
|
|
|
- }
|
|
|
- if (sameCount > 5) { lostPoint += (3 + sameCount - 5); }
|
|
|
- }
|
|
|
- }
|
|
|
- for (var row = 0; row < moduleCount - 1; row++) { for (var col = 0; col < moduleCount - 1; col++) { var count = 0; if (qrCode.isDark(row, col)) count++; if (qrCode.isDark(row + 1, col)) count++; if (qrCode.isDark(row, col + 1)) count++; if (qrCode.isDark(row + 1, col + 1)) count++; if (count == 0 || count == 4) { lostPoint += 3; } } }
|
|
|
- for (var row = 0; row < moduleCount; row++) { for (var col = 0; col < moduleCount - 6; col++) { if (qrCode.isDark(row, col) && !qrCode.isDark(row, col + 1) && qrCode.isDark(row, col + 2) && qrCode.isDark(row, col + 3) && qrCode.isDark(row, col + 4) && !qrCode.isDark(row, col + 5) && qrCode.isDark(row, col + 6)) { lostPoint += 40; } } }
|
|
|
- for (var col = 0; col < moduleCount; col++) { for (var row = 0; row < moduleCount - 6; row++) { if (qrCode.isDark(row, col) && !qrCode.isDark(row + 1, col) && qrCode.isDark(row + 2, col) && qrCode.isDark(row + 3, col) && qrCode.isDark(row + 4, col) && !qrCode.isDark(row + 5, col) && qrCode.isDark(row + 6, col)) { lostPoint += 40; } } }
|
|
|
- var darkCount = 0;
|
|
|
- for (var col = 0; col < moduleCount; col++) { for (var row = 0; row < moduleCount; row++) { if (qrCode.isDark(row, col)) { darkCount++; } } }
|
|
|
- var ratio = Math.abs(100 * darkCount / moduleCount / moduleCount - 50) / 5;
|
|
|
- lostPoint += ratio * 10;
|
|
|
- return lostPoint;
|
|
|
- }
|
|
|
- };
|
|
|
- var QRMath = {
|
|
|
- glog: function(n) {
|
|
|
- if (n < 1) { throw new Error("glog(" + n + ")"); }
|
|
|
- return QRMath.LOG_TABLE[n];
|
|
|
- },
|
|
|
- gexp: function(n) {
|
|
|
- while (n < 0) { n += 255; }
|
|
|
- while (n >= 256) { n -= 255; }
|
|
|
- return QRMath.EXP_TABLE[n];
|
|
|
- },
|
|
|
- EXP_TABLE: new Array(256),
|
|
|
- LOG_TABLE: new Array(256)
|
|
|
- };
|
|
|
- for (var i = 0; i < 8; i++) { QRMath.EXP_TABLE[i] = 1 << i; }
|
|
|
- for (var i = 8; i < 256; i++) { QRMath.EXP_TABLE[i] = QRMath.EXP_TABLE[i - 4] ^ QRMath.EXP_TABLE[i - 5] ^ QRMath.EXP_TABLE[i - 6] ^ QRMath.EXP_TABLE[i - 8]; }
|
|
|
- for (var i = 0; i < 255; i++) { QRMath.LOG_TABLE[QRMath.EXP_TABLE[i]] = i; }
|
|
|
-
|
|
|
- function QRPolynomial(num, shift) {
|
|
|
- if (num.length == undefined) { throw new Error(num.length + "/" + shift); }
|
|
|
- var offset = 0;
|
|
|
- while (offset < num.length && num[offset] == 0) { offset++; }
|
|
|
- this.num = new Array(num.length - offset + shift);
|
|
|
- for (var i = 0; i < num.length - offset; i++) { this.num[i] = num[i + offset]; }
|
|
|
- }
|
|
|
- QRPolynomial.prototype = {
|
|
|
- get: function(index) { return this.num[index]; },
|
|
|
- getLength: function() { return this.num.length; },
|
|
|
- multiply: function(e) {
|
|
|
- var num = new Array(this.getLength() + e.getLength() - 1);
|
|
|
- for (var i = 0; i < this.getLength(); i++) { for (var j = 0; j < e.getLength(); j++) { num[i + j] ^= QRMath.gexp(QRMath.glog(this.get(i)) + QRMath.glog(e.get(j))); } }
|
|
|
- return new QRPolynomial(num, 0);
|
|
|
- },
|
|
|
- mod: function(e) {
|
|
|
- if (this.getLength() - e.getLength() < 0) { return this; }
|
|
|
- var ratio = QRMath.glog(this.get(0)) - QRMath.glog(e.get(0));
|
|
|
- var num = new Array(this.getLength());
|
|
|
- for (var i = 0; i < this.getLength(); i++) { num[i] = this.get(i); }
|
|
|
- for (var i = 0; i < e.getLength(); i++) { num[i] ^= QRMath.gexp(QRMath.glog(e.get(i)) + ratio); }
|
|
|
- return new QRPolynomial(num, 0).mod(e);
|
|
|
- }
|
|
|
- };
|
|
|
-
|
|
|
- function QRRSBlock(totalCount, dataCount) { this.totalCount = totalCount;
|
|
|
- this.dataCount = dataCount; }
|
|
|
- QRRSBlock.RS_BLOCK_TABLE = [
|
|
|
- [1, 26, 19],
|
|
|
- [1, 26, 16],
|
|
|
- [1, 26, 13],
|
|
|
- [1, 26, 9],
|
|
|
- [1, 44, 34],
|
|
|
- [1, 44, 28],
|
|
|
- [1, 44, 22],
|
|
|
- [1, 44, 16],
|
|
|
- [1, 70, 55],
|
|
|
- [1, 70, 44],
|
|
|
- [2, 35, 17],
|
|
|
- [2, 35, 13],
|
|
|
- [1, 100, 80],
|
|
|
- [2, 50, 32],
|
|
|
- [2, 50, 24],
|
|
|
- [4, 25, 9],
|
|
|
- [1, 134, 108],
|
|
|
- [2, 67, 43],
|
|
|
- [2, 33, 15, 2, 34, 16],
|
|
|
- [2, 33, 11, 2, 34, 12],
|
|
|
- [2, 86, 68],
|
|
|
- [4, 43, 27],
|
|
|
- [4, 43, 19],
|
|
|
- [4, 43, 15],
|
|
|
- [2, 98, 78],
|
|
|
- [4, 49, 31],
|
|
|
- [2, 32, 14, 4, 33, 15],
|
|
|
- [4, 39, 13, 1, 40, 14],
|
|
|
- [2, 121, 97],
|
|
|
- [2, 60, 38, 2, 61, 39],
|
|
|
- [4, 40, 18, 2, 41, 19],
|
|
|
- [4, 40, 14, 2, 41, 15],
|
|
|
- [2, 146, 116],
|
|
|
- [3, 58, 36, 2, 59, 37],
|
|
|
- [4, 36, 16, 4, 37, 17],
|
|
|
- [4, 36, 12, 4, 37, 13],
|
|
|
- [2, 86, 68, 2, 87, 69],
|
|
|
- [4, 69, 43, 1, 70, 44],
|
|
|
- [6, 43, 19, 2, 44, 20],
|
|
|
- [6, 43, 15, 2, 44, 16],
|
|
|
- [4, 101, 81],
|
|
|
- [1, 80, 50, 4, 81, 51],
|
|
|
- [4, 50, 22, 4, 51, 23],
|
|
|
- [3, 36, 12, 8, 37, 13],
|
|
|
- [2, 116, 92, 2, 117, 93],
|
|
|
- [6, 58, 36, 2, 59, 37],
|
|
|
- [4, 46, 20, 6, 47, 21],
|
|
|
- [7, 42, 14, 4, 43, 15],
|
|
|
- [4, 133, 107],
|
|
|
- [8, 59, 37, 1, 60, 38],
|
|
|
- [8, 44, 20, 4, 45, 21],
|
|
|
- [12, 33, 11, 4, 34, 12],
|
|
|
- [3, 145, 115, 1, 146, 116],
|
|
|
- [4, 64, 40, 5, 65, 41],
|
|
|
- [11, 36, 16, 5, 37, 17],
|
|
|
- [11, 36, 12, 5, 37, 13],
|
|
|
- [5, 109, 87, 1, 110, 88],
|
|
|
- [5, 65, 41, 5, 66, 42],
|
|
|
- [5, 54, 24, 7, 55, 25],
|
|
|
- [11, 36, 12, 7, 37, 13],
|
|
|
- [5, 122, 98, 1, 123, 99],
|
|
|
- [7, 73, 45, 3, 74, 46],
|
|
|
- [15, 43, 19, 2, 44, 20],
|
|
|
- [3, 45, 15, 13, 46, 16],
|
|
|
- [1, 135, 107, 5, 136, 108],
|
|
|
- [10, 74, 46, 1, 75, 47],
|
|
|
- [1, 50, 22, 15, 51, 23],
|
|
|
- [2, 42, 14, 17, 43, 15],
|
|
|
- [5, 150, 120, 1, 151, 121],
|
|
|
- [9, 69, 43, 4, 70, 44],
|
|
|
- [17, 50, 22, 1, 51, 23],
|
|
|
- [2, 42, 14, 19, 43, 15],
|
|
|
- [3, 141, 113, 4, 142, 114],
|
|
|
- [3, 70, 44, 11, 71, 45],
|
|
|
- [17, 47, 21, 4, 48, 22],
|
|
|
- [9, 39, 13, 16, 40, 14],
|
|
|
- [3, 135, 107, 5, 136, 108],
|
|
|
- [3, 67, 41, 13, 68, 42],
|
|
|
- [15, 54, 24, 5, 55, 25],
|
|
|
- [15, 43, 15, 10, 44, 16],
|
|
|
- [4, 144, 116, 4, 145, 117],
|
|
|
- [17, 68, 42],
|
|
|
- [17, 50, 22, 6, 51, 23],
|
|
|
- [19, 46, 16, 6, 47, 17],
|
|
|
- [2, 139, 111, 7, 140, 112],
|
|
|
- [17, 74, 46],
|
|
|
- [7, 54, 24, 16, 55, 25],
|
|
|
- [34, 37, 13],
|
|
|
- [4, 151, 121, 5, 152, 122],
|
|
|
- [4, 75, 47, 14, 76, 48],
|
|
|
- [11, 54, 24, 14, 55, 25],
|
|
|
- [16, 45, 15, 14, 46, 16],
|
|
|
- [6, 147, 117, 4, 148, 118],
|
|
|
- [6, 73, 45, 14, 74, 46],
|
|
|
- [11, 54, 24, 16, 55, 25],
|
|
|
- [30, 46, 16, 2, 47, 17],
|
|
|
- [8, 132, 106, 4, 133, 107],
|
|
|
- [8, 75, 47, 13, 76, 48],
|
|
|
- [7, 54, 24, 22, 55, 25],
|
|
|
- [22, 45, 15, 13, 46, 16],
|
|
|
- [10, 142, 114, 2, 143, 115],
|
|
|
- [19, 74, 46, 4, 75, 47],
|
|
|
- [28, 50, 22, 6, 51, 23],
|
|
|
- [33, 46, 16, 4, 47, 17],
|
|
|
- [8, 152, 122, 4, 153, 123],
|
|
|
- [22, 73, 45, 3, 74, 46],
|
|
|
- [8, 53, 23, 26, 54, 24],
|
|
|
- [12, 45, 15, 28, 46, 16],
|
|
|
- [3, 147, 117, 10, 148, 118],
|
|
|
- [3, 73, 45, 23, 74, 46],
|
|
|
- [4, 54, 24, 31, 55, 25],
|
|
|
- [11, 45, 15, 31, 46, 16],
|
|
|
- [7, 146, 116, 7, 147, 117],
|
|
|
- [21, 73, 45, 7, 74, 46],
|
|
|
- [1, 53, 23, 37, 54, 24],
|
|
|
- [19, 45, 15, 26, 46, 16],
|
|
|
- [5, 145, 115, 10, 146, 116],
|
|
|
- [19, 75, 47, 10, 76, 48],
|
|
|
- [15, 54, 24, 25, 55, 25],
|
|
|
- [23, 45, 15, 25, 46, 16],
|
|
|
- [13, 145, 115, 3, 146, 116],
|
|
|
- [2, 74, 46, 29, 75, 47],
|
|
|
- [42, 54, 24, 1, 55, 25],
|
|
|
- [23, 45, 15, 28, 46, 16],
|
|
|
- [17, 145, 115],
|
|
|
- [10, 74, 46, 23, 75, 47],
|
|
|
- [10, 54, 24, 35, 55, 25],
|
|
|
- [19, 45, 15, 35, 46, 16],
|
|
|
- [17, 145, 115, 1, 146, 116],
|
|
|
- [14, 74, 46, 21, 75, 47],
|
|
|
- [29, 54, 24, 19, 55, 25],
|
|
|
- [11, 45, 15, 46, 46, 16],
|
|
|
- [13, 145, 115, 6, 146, 116],
|
|
|
- [14, 74, 46, 23, 75, 47],
|
|
|
- [44, 54, 24, 7, 55, 25],
|
|
|
- [59, 46, 16, 1, 47, 17],
|
|
|
- [12, 151, 121, 7, 152, 122],
|
|
|
- [12, 75, 47, 26, 76, 48],
|
|
|
- [39, 54, 24, 14, 55, 25],
|
|
|
- [22, 45, 15, 41, 46, 16],
|
|
|
- [6, 151, 121, 14, 152, 122],
|
|
|
- [6, 75, 47, 34, 76, 48],
|
|
|
- [46, 54, 24, 10, 55, 25],
|
|
|
- [2, 45, 15, 64, 46, 16],
|
|
|
- [17, 152, 122, 4, 153, 123],
|
|
|
- [29, 74, 46, 14, 75, 47],
|
|
|
- [49, 54, 24, 10, 55, 25],
|
|
|
- [24, 45, 15, 46, 46, 16],
|
|
|
- [4, 152, 122, 18, 153, 123],
|
|
|
- [13, 74, 46, 32, 75, 47],
|
|
|
- [48, 54, 24, 14, 55, 25],
|
|
|
- [42, 45, 15, 32, 46, 16],
|
|
|
- [20, 147, 117, 4, 148, 118],
|
|
|
- [40, 75, 47, 7, 76, 48],
|
|
|
- [43, 54, 24, 22, 55, 25],
|
|
|
- [10, 45, 15, 67, 46, 16],
|
|
|
- [19, 148, 118, 6, 149, 119],
|
|
|
- [18, 75, 47, 31, 76, 48],
|
|
|
- [34, 54, 24, 34, 55, 25],
|
|
|
- [20, 45, 15, 61, 46, 16]
|
|
|
- ];
|
|
|
- QRRSBlock.getRSBlocks = function(typeNumber, errorCorrectLevel) {
|
|
|
- var rsBlock = QRRSBlock.getRsBlockTable(typeNumber, errorCorrectLevel);
|
|
|
- if (rsBlock == undefined) { throw new Error("bad rs block @ typeNumber:" + typeNumber + "/errorCorrectLevel:" + errorCorrectLevel); }
|
|
|
- var length = rsBlock.length / 3;
|
|
|
- var list = [];
|
|
|
- for (var i = 0; i < length; i++) { var count = rsBlock[i * 3 + 0]; var totalCount = rsBlock[i * 3 + 1]; var dataCount = rsBlock[i * 3 + 2]; for (var j = 0; j < count; j++) { list.push(new QRRSBlock(totalCount, dataCount)); } }
|
|
|
- return list;
|
|
|
- };
|
|
|
- QRRSBlock.getRsBlockTable = function(typeNumber, errorCorrectLevel) { switch (errorCorrectLevel) {
|
|
|
- case QRErrorCorrectLevel.L:
|
|
|
- return QRRSBlock.RS_BLOCK_TABLE[(typeNumber - 1) * 4 + 0];
|
|
|
- case QRErrorCorrectLevel.M:
|
|
|
- return QRRSBlock.RS_BLOCK_TABLE[(typeNumber - 1) * 4 + 1];
|
|
|
- case QRErrorCorrectLevel.Q:
|
|
|
- return QRRSBlock.RS_BLOCK_TABLE[(typeNumber - 1) * 4 + 2];
|
|
|
- case QRErrorCorrectLevel.H:
|
|
|
- return QRRSBlock.RS_BLOCK_TABLE[(typeNumber - 1) * 4 + 3];
|
|
|
- default:
|
|
|
- return undefined; } };
|
|
|
-
|
|
|
- function QRBitBuffer() { this.buffer = [];
|
|
|
- this.length = 0; }
|
|
|
- QRBitBuffer.prototype = {
|
|
|
- get: function(index) { var bufIndex = Math.floor(index / 8); return ((this.buffer[bufIndex] >>> (7 - index % 8)) & 1) == 1; },
|
|
|
- put: function(num, length) { for (var i = 0; i < length; i++) { this.putBit(((num >>> (length - i - 1)) & 1) == 1); } },
|
|
|
- getLengthInBits: function() { return this.length; },
|
|
|
- putBit: function(bit) {
|
|
|
- var bufIndex = Math.floor(this.length / 8);
|
|
|
- if (this.buffer.length <= bufIndex) { this.buffer.push(0); }
|
|
|
- if (bit) { this.buffer[bufIndex] |= (0x80 >>> (this.length % 8)); }
|
|
|
- this.length++;
|
|
|
- }
|
|
|
- };
|
|
|
- var QRCodeLimitLength = [
|
|
|
- [17, 14, 11, 7],
|
|
|
- [32, 26, 20, 14],
|
|
|
- [53, 42, 32, 24],
|
|
|
- [78, 62, 46, 34],
|
|
|
- [106, 84, 60, 44],
|
|
|
- [134, 106, 74, 58],
|
|
|
- [154, 122, 86, 64],
|
|
|
- [192, 152, 108, 84],
|
|
|
- [230, 180, 130, 98],
|
|
|
- [271, 213, 151, 119],
|
|
|
- [321, 251, 177, 137],
|
|
|
- [367, 287, 203, 155],
|
|
|
- [425, 331, 241, 177],
|
|
|
- [458, 362, 258, 194],
|
|
|
- [520, 412, 292, 220],
|
|
|
- [586, 450, 322, 250],
|
|
|
- [644, 504, 364, 280],
|
|
|
- [718, 560, 394, 310],
|
|
|
- [792, 624, 442, 338],
|
|
|
- [858, 666, 482, 382],
|
|
|
- [929, 711, 509, 403],
|
|
|
- [1003, 779, 565, 439],
|
|
|
- [1091, 857, 611, 461],
|
|
|
- [1171, 911, 661, 511],
|
|
|
- [1273, 997, 715, 535],
|
|
|
- [1367, 1059, 751, 593],
|
|
|
- [1465, 1125, 805, 625],
|
|
|
- [1528, 1190, 868, 658],
|
|
|
- [1628, 1264, 908, 698],
|
|
|
- [1732, 1370, 982, 742],
|
|
|
- [1840, 1452, 1030, 790],
|
|
|
- [1952, 1538, 1112, 842],
|
|
|
- [2068, 1628, 1168, 898],
|
|
|
- [2188, 1722, 1228, 958],
|
|
|
- [2303, 1809, 1283, 983],
|
|
|
- [2431, 1911, 1351, 1051],
|
|
|
- [2563, 1989, 1423, 1093],
|
|
|
- [2699, 2099, 1499, 1139],
|
|
|
- [2809, 2213, 1579, 1219],
|
|
|
- [2953, 2331, 1663, 1273]
|
|
|
- ];
|
|
|
-
|
|
|
- function _isSupportCanvas() {
|
|
|
- return typeof CanvasRenderingContext2D != "undefined";
|
|
|
- }
|
|
|
-
|
|
|
- // android 2.x doesn't support Data-URI spec
|
|
|
- function _getAndroid() {
|
|
|
- var android = false;
|
|
|
- var sAgent = navigator.userAgent;
|
|
|
-
|
|
|
- if (/android/i.test(sAgent)) { // android
|
|
|
- android = true;
|
|
|
- var aMat = sAgent.toString().match(/android ([0-9]\.[0-9])/i);
|
|
|
-
|
|
|
- if (aMat && aMat[1]) {
|
|
|
- android = parseFloat(aMat[1]);
|
|
|
- }
|
|
|
- }
|
|
|
-
|
|
|
- return android;
|
|
|
- }
|
|
|
-
|
|
|
- var svgDrawer = (function() {
|
|
|
-
|
|
|
- var Drawing = function(el, htOption) {
|
|
|
- this._el = el;
|
|
|
- this._htOption = htOption;
|
|
|
- };
|
|
|
-
|
|
|
- Drawing.prototype.draw = function(oQRCode) {
|
|
|
- var _htOption = this._htOption;
|
|
|
- var _el = this._el;
|
|
|
- var nCount = oQRCode.getModuleCount();
|
|
|
- var nWidth = Math.floor(_htOption.width / nCount);
|
|
|
- var nHeight = Math.floor(_htOption.height / nCount);
|
|
|
-
|
|
|
- this.clear();
|
|
|
-
|
|
|
- function makeSVG(tag, attrs) {
|
|
|
- var el = document.createElementNS('http://www.w3.org/2000/svg', tag);
|
|
|
- for (var k in attrs)
|
|
|
- if (attrs.hasOwnProperty(k)) el.setAttribute(k, attrs[k]);
|
|
|
- return el;
|
|
|
- }
|
|
|
-
|
|
|
- var svg = makeSVG("svg", { 'viewBox': '0 0 ' + String(nCount) + " " + String(nCount), 'width': '100%', 'height': '100%', 'fill': _htOption.colorLight });
|
|
|
- svg.setAttributeNS("http://www.w3.org/2000/xmlns/", "xmlns:xlink", "http://www.w3.org/1999/xlink");
|
|
|
- _el.appendChild(svg);
|
|
|
-
|
|
|
- svg.appendChild(makeSVG("rect", { "fill": _htOption.colorLight, "width": "100%", "height": "100%" }));
|
|
|
- svg.appendChild(makeSVG("rect", { "fill": _htOption.colorDark, "width": "1", "height": "1", "id": "template" }));
|
|
|
-
|
|
|
- for (var row = 0; row < nCount; row++) {
|
|
|
- for (var col = 0; col < nCount; col++) {
|
|
|
- if (oQRCode.isDark(row, col)) {
|
|
|
- var child = makeSVG("use", { "x": String(col), "y": String(row) });
|
|
|
- child.setAttributeNS("http://www.w3.org/1999/xlink", "href", "#template")
|
|
|
- svg.appendChild(child);
|
|
|
- }
|
|
|
- }
|
|
|
- }
|
|
|
- };
|
|
|
- Drawing.prototype.clear = function() {
|
|
|
- while (this._el.hasChildNodes())
|
|
|
- this._el.removeChild(this._el.lastChild);
|
|
|
- };
|
|
|
- return Drawing;
|
|
|
- })();
|
|
|
-
|
|
|
- var useSVG = document.documentElement.tagName.toLowerCase() === "svg";
|
|
|
-
|
|
|
- // Drawing in DOM by using Table tag
|
|
|
- var Drawing = useSVG ? svgDrawer : !_isSupportCanvas() ? (function() {
|
|
|
- var Drawing = function(el, htOption) {
|
|
|
- this._el = el;
|
|
|
- this._htOption = htOption;
|
|
|
- };
|
|
|
-
|
|
|
- /**
|
|
|
- * Draw the QRCode
|
|
|
- *
|
|
|
- * @param {QRCode} oQRCode
|
|
|
- */
|
|
|
- Drawing.prototype.draw = function(oQRCode) {
|
|
|
- var _htOption = this._htOption;
|
|
|
- var _el = this._el;
|
|
|
- var nCount = oQRCode.getModuleCount();
|
|
|
- var nWidth = Math.floor(_htOption.width / nCount);
|
|
|
- var nHeight = Math.floor(_htOption.height / nCount);
|
|
|
- var aHTML = ['<table style="border:0;border-collapse:collapse;">'];
|
|
|
-
|
|
|
- for (var row = 0; row < nCount; row++) {
|
|
|
- aHTML.push('<tr>');
|
|
|
-
|
|
|
- for (var col = 0; col < nCount; col++) {
|
|
|
- aHTML.push('<td style="border:0;border-collapse:collapse;padding:0;margin:0;width:' + nWidth + 'px;height:' + nHeight + 'px;background-color:' + (oQRCode.isDark(row, col) ? _htOption.colorDark : _htOption.colorLight) + ';"></td>');
|
|
|
- }
|
|
|
-
|
|
|
- aHTML.push('</tr>');
|
|
|
- }
|
|
|
-
|
|
|
- aHTML.push('</table>');
|
|
|
- _el.innerHTML = aHTML.join('');
|
|
|
-
|
|
|
- // Fix the margin values as real size.
|
|
|
- var elTable = _el.childNodes[0];
|
|
|
- var nLeftMarginTable = (_htOption.width - elTable.offsetWidth) / 2;
|
|
|
- var nTopMarginTable = (_htOption.height - elTable.offsetHeight) / 2;
|
|
|
-
|
|
|
- if (nLeftMarginTable > 0 && nTopMarginTable > 0) {
|
|
|
- elTable.style.margin = nTopMarginTable + "px " + nLeftMarginTable + "px";
|
|
|
- }
|
|
|
- };
|
|
|
-
|
|
|
- /**
|
|
|
- * Clear the QRCode
|
|
|
- */
|
|
|
- Drawing.prototype.clear = function() {
|
|
|
- this._el.innerHTML = '';
|
|
|
- };
|
|
|
-
|
|
|
- return Drawing;
|
|
|
- })() : (function() { // Drawing in Canvas
|
|
|
- function _onMakeImage() {
|
|
|
- this._elImage.src = this._elCanvas.toDataURL("image/png");
|
|
|
- this._elImage.style.display = "block";
|
|
|
- this._elCanvas.style.display = "none";
|
|
|
- }
|
|
|
-
|
|
|
- // Android 2.1 bug workaround
|
|
|
- // http://code.google.com/p/android/issues/detail?id=5141
|
|
|
- if (this._android && this._android <= 2.1) {
|
|
|
- var factor = 1 / window.devicePixelRatio;
|
|
|
- var drawImage = CanvasRenderingContext2D.prototype.drawImage;
|
|
|
- CanvasRenderingContext2D.prototype.drawImage = function(image, sx, sy, sw, sh, dx, dy, dw, dh) {
|
|
|
- if (("nodeName" in image) && /img/i.test(image.nodeName)) {
|
|
|
- for (var i = arguments.length - 1; i >= 1; i--) {
|
|
|
- arguments[i] = arguments[i] * factor;
|
|
|
- }
|
|
|
- } else if (typeof dw == "undefined") {
|
|
|
- arguments[1] *= factor;
|
|
|
- arguments[2] *= factor;
|
|
|
- arguments[3] *= factor;
|
|
|
- arguments[4] *= factor;
|
|
|
- }
|
|
|
-
|
|
|
- drawImage.apply(this, arguments);
|
|
|
- };
|
|
|
- }
|
|
|
-
|
|
|
- /**
|
|
|
- * Check whether the user's browser supports Data URI or not
|
|
|
- *
|
|
|
- * @private
|
|
|
- * @param {Function} fSuccess Occurs if it supports Data URI
|
|
|
- * @param {Function} fFail Occurs if it doesn't support Data URI
|
|
|
- */
|
|
|
- function _safeSetDataURI(fSuccess, fFail) {
|
|
|
- var self = this;
|
|
|
- self._fFail = fFail;
|
|
|
- self._fSuccess = fSuccess;
|
|
|
-
|
|
|
- // Check it just once
|
|
|
- if (self._bSupportDataURI === null) {
|
|
|
- var el = document.createElement("img");
|
|
|
- var fOnError = function() {
|
|
|
- self._bSupportDataURI = false;
|
|
|
-
|
|
|
- if (self._fFail) {
|
|
|
- self._fFail.call(self);
|
|
|
- }
|
|
|
- };
|
|
|
- var fOnSuccess = function() {
|
|
|
- self._bSupportDataURI = true;
|
|
|
-
|
|
|
- if (self._fSuccess) {
|
|
|
- self._fSuccess.call(self);
|
|
|
- }
|
|
|
- };
|
|
|
-
|
|
|
- el.onabort = fOnError;
|
|
|
- el.onerror = fOnError;
|
|
|
- el.onload = fOnSuccess;
|
|
|
- el.src = "data:image/gif;base64,iVBORw0KGgoAAAANSUhEUgAAAAUAAAAFCAYAAACNbyblAAAAHElEQVQI12P4//8/w38GIAXDIBKE0DHxgljNBAAO9TXL0Y4OHwAAAABJRU5ErkJggg=="; // the Image contains 1px data.
|
|
|
- return;
|
|
|
- } else if (self._bSupportDataURI === true && self._fSuccess) {
|
|
|
- self._fSuccess.call(self);
|
|
|
- } else if (self._bSupportDataURI === false && self._fFail) {
|
|
|
- self._fFail.call(self);
|
|
|
- }
|
|
|
- };
|
|
|
-
|
|
|
- /**
|
|
|
- * Drawing QRCode by using canvas
|
|
|
- *
|
|
|
- * @constructor
|
|
|
- * @param {HTMLElement} el
|
|
|
- * @param {Object} htOption QRCode Options
|
|
|
- */
|
|
|
- var Drawing = function(el, htOption) {
|
|
|
- this._bIsPainted = false;
|
|
|
- this._android = _getAndroid();
|
|
|
-
|
|
|
- this._htOption = htOption;
|
|
|
- this._elCanvas = document.createElement("canvas");
|
|
|
- this._elCanvas.width = htOption.width;
|
|
|
- this._elCanvas.height = htOption.height;
|
|
|
- el.appendChild(this._elCanvas);
|
|
|
- this._el = el;
|
|
|
- this._oContext = this._elCanvas.getContext("2d");
|
|
|
- this._bIsPainted = false;
|
|
|
- this._elImage = document.createElement("img");
|
|
|
- this._elImage.alt = "Scan me!";
|
|
|
- this._elImage.style.display = "none";
|
|
|
- this._el.appendChild(this._elImage);
|
|
|
- this._bSupportDataURI = null;
|
|
|
- };
|
|
|
-
|
|
|
- /**
|
|
|
- * Draw the QRCode
|
|
|
- *
|
|
|
- * @param {QRCode} oQRCode
|
|
|
- */
|
|
|
- Drawing.prototype.draw = function(oQRCode) {
|
|
|
- var _elImage = this._elImage;
|
|
|
- var _oContext = this._oContext;
|
|
|
- var _htOption = this._htOption;
|
|
|
-
|
|
|
- var nCount = oQRCode.getModuleCount();
|
|
|
- var nWidth = _htOption.width / nCount;
|
|
|
- var nHeight = _htOption.height / nCount;
|
|
|
- var nRoundedWidth = Math.round(nWidth);
|
|
|
- var nRoundedHeight = Math.round(nHeight);
|
|
|
-
|
|
|
- _elImage.style.display = "none";
|
|
|
- this.clear();
|
|
|
-
|
|
|
- for (var row = 0; row < nCount; row++) {
|
|
|
- for (var col = 0; col < nCount; col++) {
|
|
|
- var bIsDark = oQRCode.isDark(row, col);
|
|
|
- var nLeft = col * nWidth;
|
|
|
- var nTop = row * nHeight;
|
|
|
- _oContext.strokeStyle = bIsDark ? _htOption.colorDark : _htOption.colorLight;
|
|
|
- _oContext.lineWidth = 1;
|
|
|
- _oContext.fillStyle = bIsDark ? _htOption.colorDark : _htOption.colorLight;
|
|
|
- _oContext.fillRect(nLeft, nTop, nWidth, nHeight);
|
|
|
-
|
|
|
- // 안티 앨리어싱 방지 처리
|
|
|
- _oContext.strokeRect(
|
|
|
- Math.floor(nLeft) + 0.5,
|
|
|
- Math.floor(nTop) + 0.5,
|
|
|
- nRoundedWidth,
|
|
|
- nRoundedHeight
|
|
|
- );
|
|
|
-
|
|
|
- _oContext.strokeRect(
|
|
|
- Math.ceil(nLeft) - 0.5,
|
|
|
- Math.ceil(nTop) - 0.5,
|
|
|
- nRoundedWidth,
|
|
|
- nRoundedHeight
|
|
|
- );
|
|
|
- }
|
|
|
- }
|
|
|
-
|
|
|
- this._bIsPainted = true;
|
|
|
- };
|
|
|
-
|
|
|
- /**
|
|
|
- * Make the image from Canvas if the browser supports Data URI.
|
|
|
- */
|
|
|
- Drawing.prototype.makeImage = function() {
|
|
|
- if (this._bIsPainted) {
|
|
|
- _safeSetDataURI.call(this, _onMakeImage);
|
|
|
- }
|
|
|
- };
|
|
|
-
|
|
|
- /**
|
|
|
- * Return whether the QRCode is painted or not
|
|
|
- *
|
|
|
- * @return {Boolean}
|
|
|
- */
|
|
|
- Drawing.prototype.isPainted = function() {
|
|
|
- return this._bIsPainted;
|
|
|
- };
|
|
|
-
|
|
|
- /**
|
|
|
- * Clear the QRCode
|
|
|
- */
|
|
|
- Drawing.prototype.clear = function() {
|
|
|
- this._oContext.clearRect(0, 0, this._elCanvas.width, this._elCanvas.height);
|
|
|
- this._bIsPainted = false;
|
|
|
- };
|
|
|
-
|
|
|
- /**
|
|
|
- * @private
|
|
|
- * @param {Number} nNumber
|
|
|
- */
|
|
|
- Drawing.prototype.round = function(nNumber) {
|
|
|
- if (!nNumber) {
|
|
|
- return nNumber;
|
|
|
- }
|
|
|
-
|
|
|
- return Math.floor(nNumber * 1000) / 1000;
|
|
|
- };
|
|
|
-
|
|
|
- return Drawing;
|
|
|
- })();
|
|
|
-
|
|
|
- /**
|
|
|
- * Get the type by string length
|
|
|
- *
|
|
|
- * @private
|
|
|
- * @param {String} sText
|
|
|
- * @param {Number} nCorrectLevel
|
|
|
- * @return {Number} type
|
|
|
- */
|
|
|
- function _getTypeNumber(sText, nCorrectLevel) {
|
|
|
- var nType = 1;
|
|
|
- var length = _getUTF8Length(sText);
|
|
|
-
|
|
|
- for (var i = 0, len = QRCodeLimitLength.length; i <= len; i++) {
|
|
|
- var nLimit = 0;
|
|
|
-
|
|
|
- switch (nCorrectLevel) {
|
|
|
- case QRErrorCorrectLevel.L:
|
|
|
- nLimit = QRCodeLimitLength[i][0];
|
|
|
- break;
|
|
|
- case QRErrorCorrectLevel.M:
|
|
|
- nLimit = QRCodeLimitLength[i][1];
|
|
|
- break;
|
|
|
- case QRErrorCorrectLevel.Q:
|
|
|
- nLimit = QRCodeLimitLength[i][2];
|
|
|
- break;
|
|
|
- case QRErrorCorrectLevel.H:
|
|
|
- nLimit = QRCodeLimitLength[i][3];
|
|
|
- break;
|
|
|
- }
|
|
|
-
|
|
|
- if (length <= nLimit) {
|
|
|
- break;
|
|
|
- } else {
|
|
|
- nType++;
|
|
|
- }
|
|
|
- }
|
|
|
-
|
|
|
- if (nType > QRCodeLimitLength.length) {
|
|
|
- throw new Error("Too long data");
|
|
|
- }
|
|
|
-
|
|
|
- return nType;
|
|
|
- }
|
|
|
-
|
|
|
- function _getUTF8Length(sText) {
|
|
|
- var replacedText = encodeURI(sText).toString().replace(/\%[0-9a-fA-F]{2}/g, 'a');
|
|
|
- return replacedText.length + (replacedText.length != sText ? 3 : 0);
|
|
|
- }
|
|
|
-
|
|
|
- /**
|
|
|
- * @class QRCode
|
|
|
- * @constructor
|
|
|
- * @example
|
|
|
- * new QRCode(document.getElementById("test"), "http://jindo.dev.naver.com/collie");
|
|
|
- *
|
|
|
- * @example
|
|
|
- * var oQRCode = new QRCode("test", {
|
|
|
- * text : "http://naver.com",
|
|
|
- * width : 128,
|
|
|
- * height : 128
|
|
|
- * });
|
|
|
- *
|
|
|
- * oQRCode.clear(); // Clear the QRCode.
|
|
|
- * oQRCode.makeCode("http://map.naver.com"); // Re-create the QRCode.
|
|
|
- *
|
|
|
- * @param {HTMLElement|String} el target element or 'id' attribute of element.
|
|
|
- * @param {Object|String} vOption
|
|
|
- * @param {String} vOption.text QRCode link data
|
|
|
- * @param {Number} [vOption.width=256]
|
|
|
- * @param {Number} [vOption.height=256]
|
|
|
- * @param {String} [vOption.colorDark="#000000"]
|
|
|
- * @param {String} [vOption.colorLight="#ffffff"]
|
|
|
- * @param {QRCode.CorrectLevel} [vOption.correctLevel=QRCode.CorrectLevel.H] [L|M|Q|H]
|
|
|
- */
|
|
|
- QRCode = function(el, vOption) {
|
|
|
- this._htOption = {
|
|
|
- width: 256,
|
|
|
- height: 256,
|
|
|
- typeNumber: 4,
|
|
|
- colorDark: "#000000",
|
|
|
- colorLight: "#ffffff",
|
|
|
- correctLevel: QRErrorCorrectLevel.H
|
|
|
- };
|
|
|
-
|
|
|
- if (typeof vOption === 'string') {
|
|
|
- vOption = {
|
|
|
- text: vOption
|
|
|
- };
|
|
|
- }
|
|
|
-
|
|
|
- // Overwrites options
|
|
|
- if (vOption) {
|
|
|
- for (var i in vOption) {
|
|
|
- this._htOption[i] = vOption[i];
|
|
|
- }
|
|
|
- }
|
|
|
-
|
|
|
- if (typeof el == "string") {
|
|
|
- el = document.getElementById(el);
|
|
|
- }
|
|
|
-
|
|
|
- if (this._htOption.useSVG) {
|
|
|
- Drawing = svgDrawer;
|
|
|
- }
|
|
|
-
|
|
|
- this._android = _getAndroid();
|
|
|
- this._el = el;
|
|
|
- this._oQRCode = null;
|
|
|
- this._oDrawing = new Drawing(this._el, this._htOption);
|
|
|
-
|
|
|
- if (this._htOption.text) {
|
|
|
- this.makeCode(this._htOption.text);
|
|
|
- }
|
|
|
- };
|
|
|
-
|
|
|
- /**
|
|
|
- * Make the QRCode
|
|
|
- *
|
|
|
- * @param {String} sText link data
|
|
|
- */
|
|
|
- QRCode.prototype.makeCode = function(sText) {
|
|
|
- this._oQRCode = new QRCodeModel(_getTypeNumber(sText, this._htOption.correctLevel), this._htOption.correctLevel);
|
|
|
- this._oQRCode.addData(sText);
|
|
|
- this._oQRCode.make();
|
|
|
- this._el.title = sText;
|
|
|
- this._oDrawing.draw(this._oQRCode);
|
|
|
- this.makeImage();
|
|
|
- };
|
|
|
-
|
|
|
- /**
|
|
|
- * Make the Image from Canvas element
|
|
|
- * - It occurs automatically
|
|
|
- * - Android below 3 doesn't support Data-URI spec.
|
|
|
- *
|
|
|
- * @private
|
|
|
- */
|
|
|
- QRCode.prototype.makeImage = function() {
|
|
|
- if (typeof this._oDrawing.makeImage == "function" && (!this._android || this._android >= 3)) {
|
|
|
- this._oDrawing.makeImage();
|
|
|
- }
|
|
|
- };
|
|
|
-
|
|
|
- /**
|
|
|
- * Clear the QRCode
|
|
|
- */
|
|
|
- QRCode.prototype.clear = function() {
|
|
|
- this._oDrawing.clear();
|
|
|
- };
|
|
|
-
|
|
|
- /**
|
|
|
- * @name QRCode.CorrectLevel
|
|
|
- */
|
|
|
- QRCode.CorrectLevel = QRErrorCorrectLevel;
|
|
|
-})();
|
|
|
-
|
|
|
-if (typeof module != "undefined") {
|
|
|
- module.exports = QRCode;
|
|
|
-}
|
wangtao