U.QR.js 41 KB

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  1. Namespace.register("U.QR.Code"); //二维码命名空间
  2. U.QR.Code.generate = function (w, h, d, l, v, g) {
  3. //清空生成地
  4. g.innerHTML = "";
  5. //创建一个对象
  6. var qrcode = new QRCode(g, {
  7. width: w,
  8. height: h,
  9. colorDark: d,
  10. colorLight: l,
  11. correctLevel: QRCode.CorrectLevel.H //容错率
  12. });
  13. U.QR.Code.makeCode = function (v) {
  14. //绘制
  15. qrcode.makeCode(v);
  16. }
  17. U.QR.Code.makeCode(v);
  18. }
  19. /**
  20. * @fileoverview
  21. * - Using the 'QRCode for Javascript library'
  22. * - Fixed dataset of 'QRCode for Javascript library' for support full-spec.
  23. * - this library has no dependencies.
  24. *
  25. * @author davidshimjs
  26. * @see <a href="http://www.d-project.com/" target="_blank">http://www.d-project.com/</a>
  27. * @see <a href="http://jeromeetienne.github.com/jquery-qrcode/" target="_blank">http://jeromeetienne.github.com/jquery-qrcode/</a>
  28. */
  29. var QRCode;
  30. (function () {
  31. //---------------------------------------------------------------------
  32. // QRCode for JavaScript
  33. //
  34. // Copyright (c) 2009 Kazuhiko Arase
  35. //
  36. // URL: http://www.d-project.com/
  37. //
  38. // Licensed under the MIT license:
  39. // http://www.opensource.org/licenses/mit-license.php
  40. //
  41. // The word "QR Code" is registered trademark of
  42. // DENSO WAVE INCORPORATED
  43. // http://www.denso-wave.com/qrcode/faqpatent-e.html
  44. //
  45. //---------------------------------------------------------------------
  46. function QR8bitByte(data) {
  47. this.mode = QRMode.MODE_8BIT_BYTE;
  48. this.data = data;
  49. this.parsedData = [];
  50. // Added to support UTF-8 Characters
  51. for (var i = 0, l = this.data.length; i < l; i++) {
  52. var byteArray = [];
  53. var code = this.data.charCodeAt(i);
  54. if (code > 0x10000) {
  55. byteArray[0] = 0xF0 | ((code & 0x1C0000) >>> 18);
  56. byteArray[1] = 0x80 | ((code & 0x3F000) >>> 12);
  57. byteArray[2] = 0x80 | ((code & 0xFC0) >>> 6);
  58. byteArray[3] = 0x80 | (code & 0x3F);
  59. } else if (code > 0x800) {
  60. byteArray[0] = 0xE0 | ((code & 0xF000) >>> 12);
  61. byteArray[1] = 0x80 | ((code & 0xFC0) >>> 6);
  62. byteArray[2] = 0x80 | (code & 0x3F);
  63. } else if (code > 0x80) {
  64. byteArray[0] = 0xC0 | ((code & 0x7C0) >>> 6);
  65. byteArray[1] = 0x80 | (code & 0x3F);
  66. } else {
  67. byteArray[0] = code;
  68. }
  69. this.parsedData.push(byteArray);
  70. }
  71. this.parsedData = Array.prototype.concat.apply([], this.parsedData);
  72. if (this.parsedData.length != this.data.length) {
  73. this.parsedData.unshift(191);
  74. this.parsedData.unshift(187);
  75. this.parsedData.unshift(239);
  76. }
  77. }
  78. QR8bitByte.prototype = {
  79. getLength: function (buffer) {
  80. return this.parsedData.length;
  81. },
  82. write: function (buffer) {
  83. for (var i = 0, l = this.parsedData.length; i < l; i++) {
  84. buffer.put(this.parsedData[i], 8);
  85. }
  86. }
  87. };
  88. function QRCodeModel(typeNumber, errorCorrectLevel) {
  89. this.typeNumber = typeNumber;
  90. this.errorCorrectLevel = errorCorrectLevel;
  91. this.modules = null;
  92. this.moduleCount = 0;
  93. this.dataCache = null;
  94. this.dataList = [];
  95. }
  96. QRCodeModel.prototype = { addData: function (data) { var newData = new QR8bitByte(data); this.dataList.push(newData); this.dataCache = null; }, isDark: function (row, col) {
  97. if (row < 0 || this.moduleCount <= row || col < 0 || this.moduleCount <= col) { throw new Error(row + "," + col); }
  98. return this.modules[row][col];
  99. }, getModuleCount: function () { return this.moduleCount; }, make: function () { this.makeImpl(false, this.getBestMaskPattern()); }, makeImpl: function (test, maskPattern) {
  100. 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; } }
  101. 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); }
  102. if (this.dataCache == null) { this.dataCache = QRCodeModel.createData(this.typeNumber, this.errorCorrectLevel, this.dataList); }
  103. this.mapData(this.dataCache, maskPattern);
  104. }, 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 () {
  105. 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; } }
  106. return pattern;
  107. }, createMovieClip: function (target_mc, instance_name, depth) {
  108. 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(); } } }
  109. return qr_mc;
  110. }, setupTimingPattern: function () {
  111. for (var r = 8; r < this.moduleCount - 8; r++) {
  112. if (this.modules[r][6] != null) { continue; }
  113. this.modules[r][6] = (r % 2 == 0);
  114. }
  115. for (var c = 8; c < this.moduleCount - 8; c++) {
  116. if (this.modules[6][c] != null) { continue; }
  117. this.modules[6][c] = (c % 2 == 0);
  118. }
  119. }, setupPositionAdjustPattern: function () {
  120. var pos = QRUtil.getPatternPosition(this.typeNumber); for (var i = 0; i < pos.length; i++) {
  121. for (var j = 0; j < pos.length; j++) {
  122. var row = pos[i]; var col = pos[j]; if (this.modules[row][col] != null) { continue; }
  123. 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; } } }
  124. }
  125. }
  126. }, setupTypeNumber: function (test) {
  127. 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; }
  128. 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; }
  129. }, setupTypeInfo: function (test, maskPattern) {
  130. 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; } }
  131. 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; } }
  132. this.modules[this.moduleCount - 8][8] = (!test);
  133. }, mapData: function (data, maskPattern) {
  134. var inc = -1; var row = this.moduleCount - 1; var bitIndex = 7; var byteIndex = 0; for (var col = this.moduleCount - 1; col > 0; col -= 2) {
  135. if (col == 6) col--; while (true) {
  136. for (var c = 0; c < 2; c++) {
  137. if (this.modules[row][col - c] == null) {
  138. var dark = false; if (byteIndex < data.length) { dark = (((data[byteIndex] >>> bitIndex) & 1) == 1); }
  139. var mask = QRUtil.getMask(maskPattern, row, col - c); if (mask) { dark = !dark; }
  140. this.modules[row][col - c] = dark; bitIndex--; if (bitIndex == -1) { byteIndex++; bitIndex = 7; }
  141. }
  142. }
  143. row += inc; if (row < 0 || this.moduleCount <= row) { row -= inc; inc = -inc; break; }
  144. }
  145. }
  146. }
  147. }; QRCodeModel.PAD0 = 0xEC; QRCodeModel.PAD1 = 0x11; QRCodeModel.createData = function (typeNumber, errorCorrectLevel, dataList) {
  148. 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); }
  149. var totalDataCount = 0; for (var i = 0; i < rsBlocks.length; i++) { totalDataCount += rsBlocks[i].dataCount; }
  150. if (buffer.getLengthInBits() > totalDataCount * 8) {
  151. throw new Error("code length overflow. ("
  152. + buffer.getLengthInBits()
  153. + ">"
  154. + totalDataCount * 8
  155. + ")");
  156. }
  157. if (buffer.getLengthInBits() + 4 <= totalDataCount * 8) { buffer.put(0, 4); }
  158. while (buffer.getLengthInBits() % 8 != 0) { buffer.putBit(false); }
  159. while (true) {
  160. if (buffer.getLengthInBits() >= totalDataCount * 8) { break; }
  161. buffer.put(QRCodeModel.PAD0, 8); if (buffer.getLengthInBits() >= totalDataCount * 8) { break; }
  162. buffer.put(QRCodeModel.PAD1, 8);
  163. }
  164. return QRCodeModel.createBytes(buffer, rsBlocks);
  165. }; QRCodeModel.createBytes = function (buffer, rsBlocks) {
  166. 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++) {
  167. 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]; }
  168. 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; }
  169. }
  170. var totalCodeCount = 0; for (var i = 0; i < rsBlocks.length; i++) { totalCodeCount += rsBlocks[i].totalCount; }
  171. 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]; } } }
  172. 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]; } } }
  173. return data;
  174. }; 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) {
  175. var d = data << 10; while (QRUtil.getBCHDigit(d) - QRUtil.getBCHDigit(QRUtil.G15) >= 0) { d ^= (QRUtil.G15 << (QRUtil.getBCHDigit(d) - QRUtil.getBCHDigit(QRUtil.G15))); }
  176. return ((data << 10) | d) ^ QRUtil.G15_MASK;
  177. }, getBCHTypeNumber: function (data) {
  178. var d = data << 12; while (QRUtil.getBCHDigit(d) - QRUtil.getBCHDigit(QRUtil.G18) >= 0) { d ^= (QRUtil.G18 << (QRUtil.getBCHDigit(d) - QRUtil.getBCHDigit(QRUtil.G18))); }
  179. return (data << 12) | d;
  180. }, getBCHDigit: function (data) {
  181. var digit = 0; while (data != 0) { digit++; data >>>= 1; }
  182. return digit;
  183. }, 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) {
  184. var a = new QRPolynomial([1], 0); for (var i = 0; i < errorCorrectLength; i++) { a = a.multiply(new QRPolynomial([1, QRMath.gexp(i)], 0)); }
  185. return a;
  186. }, 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) {
  187. var moduleCount = qrCode.getModuleCount(); var lostPoint = 0; for (var row = 0; row < moduleCount; row++) {
  188. for (var col = 0; col < moduleCount; col++) {
  189. var sameCount = 0; var dark = qrCode.isDark(row, col); for (var r = -1; r <= 1; r++) {
  190. if (row + r < 0 || moduleCount <= row + r) { continue; }
  191. for (var c = -1; c <= 1; c++) {
  192. if (col + c < 0 || moduleCount <= col + c) { continue; }
  193. if (r == 0 && c == 0) { continue; }
  194. if (dark == qrCode.isDark(row + r, col + c)) { sameCount++; }
  195. }
  196. }
  197. if (sameCount > 5) { lostPoint += (3 + sameCount - 5); }
  198. }
  199. }
  200. 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; } } }
  201. 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; } } }
  202. 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; } } }
  203. var darkCount = 0; for (var col = 0; col < moduleCount; col++) { for (var row = 0; row < moduleCount; row++) { if (qrCode.isDark(row, col)) { darkCount++; } } }
  204. var ratio = Math.abs(100 * darkCount / moduleCount / moduleCount - 50) / 5; lostPoint += ratio * 10; return lostPoint;
  205. }
  206. }; var QRMath = { glog: function (n) {
  207. if (n < 1) { throw new Error("glog(" + n + ")"); }
  208. return QRMath.LOG_TABLE[n];
  209. }, gexp: function (n) {
  210. while (n < 0) { n += 255; }
  211. while (n >= 256) { n -= 255; }
  212. return QRMath.EXP_TABLE[n];
  213. }, EXP_TABLE: new Array(256), LOG_TABLE: new Array(256)
  214. }; for (var i = 0; i < 8; i++) { QRMath.EXP_TABLE[i] = 1 << i; }
  215. 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]; }
  216. for (var i = 0; i < 255; i++) { QRMath.LOG_TABLE[QRMath.EXP_TABLE[i]] = i; }
  217. function QRPolynomial(num, shift) {
  218. if (num.length == undefined) { throw new Error(num.length + "/" + shift); }
  219. var offset = 0; while (offset < num.length && num[offset] == 0) { offset++; }
  220. this.num = new Array(num.length - offset + shift); for (var i = 0; i < num.length - offset; i++) { this.num[i] = num[i + offset]; }
  221. }
  222. QRPolynomial.prototype = { get: function (index) { return this.num[index]; }, getLength: function () { return this.num.length; }, multiply: function (e) {
  223. 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))); } }
  224. return new QRPolynomial(num, 0);
  225. }, mod: function (e) {
  226. if (this.getLength() - e.getLength() < 0) { return this; }
  227. 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); }
  228. for (var i = 0; i < e.getLength(); i++) { num[i] ^= QRMath.gexp(QRMath.glog(e.get(i)) + ratio); }
  229. return new QRPolynomial(num, 0).mod(e);
  230. }
  231. }; function QRRSBlock(totalCount, dataCount) { this.totalCount = totalCount; this.dataCount = dataCount; }
  232. QRRSBlock.RS_BLOCK_TABLE = [[1, 26, 19], [1, 26, 16], [1, 26, 13], [1, 26, 9], [1, 44, 34], [1, 44, 28], [1, 44, 22], [1, 44, 16], [1, 70, 55], [1, 70, 44], [2, 35, 17], [2, 35, 13], [1, 100, 80], [2, 50, 32], [2, 50, 24], [4, 25, 9], [1, 134, 108], [2, 67, 43], [2, 33, 15, 2, 34, 16], [2, 33, 11, 2, 34, 12], [2, 86, 68], [4, 43, 27], [4, 43, 19], [4, 43, 15], [2, 98, 78], [4, 49, 31], [2, 32, 14, 4, 33, 15], [4, 39, 13, 1, 40, 14], [2, 121, 97], [2, 60, 38, 2, 61, 39], [4, 40, 18, 2, 41, 19], [4, 40, 14, 2, 41, 15], [2, 146, 116], [3, 58, 36, 2, 59, 37], [4, 36, 16, 4, 37, 17], [4, 36, 12, 4, 37, 13], [2, 86, 68, 2, 87, 69], [4, 69, 43, 1, 70, 44], [6, 43, 19, 2, 44, 20], [6, 43, 15, 2, 44, 16], [4, 101, 81], [1, 80, 50, 4, 81, 51], [4, 50, 22, 4, 51, 23], [3, 36, 12, 8, 37, 13], [2, 116, 92, 2, 117, 93], [6, 58, 36, 2, 59, 37], [4, 46, 20, 6, 47, 21], [7, 42, 14, 4, 43, 15], [4, 133, 107], [8, 59, 37, 1, 60, 38], [8, 44, 20, 4, 45, 21], [12, 33, 11, 4, 34, 12], [3, 145, 115, 1, 146, 116], [4, 64, 40, 5, 65, 41], [11, 36, 16, 5, 37, 17], [11, 36, 12, 5, 37, 13], [5, 109, 87, 1, 110, 88], [5, 65, 41, 5, 66, 42], [5, 54, 24, 7, 55, 25], [11, 36, 12], [5, 122, 98, 1, 123, 99], [7, 73, 45, 3, 74, 46], [15, 43, 19, 2, 44, 20], [3, 45, 15, 13, 46, 16], [1, 135, 107, 5, 136, 108], [10, 74, 46, 1, 75, 47], [1, 50, 22, 15, 51, 23], [2, 42, 14, 17, 43, 15], [5, 150, 120, 1, 151, 121], [9, 69, 43, 4, 70, 44], [17, 50, 22, 1, 51, 23], [2, 42, 14, 19, 43, 15], [3, 141, 113, 4, 142, 114], [3, 70, 44, 11, 71, 45], [17, 47, 21, 4, 48, 22], [9, 39, 13, 16, 40, 14], [3, 135, 107, 5, 136, 108], [3, 67, 41, 13, 68, 42], [15, 54, 24, 5, 55, 25], [15, 43, 15, 10, 44, 16], [4, 144, 116, 4, 145, 117], [17, 68, 42], [17, 50, 22, 6, 51, 23], [19, 46, 16, 6, 47, 17], [2, 139, 111, 7, 140, 112], [17, 74, 46], [7, 54, 24, 16, 55, 25], [34, 37, 13], [4, 151, 121, 5, 152, 122], [4, 75, 47, 14, 76, 48], [11, 54, 24, 14, 55, 25], [16, 45, 15, 14, 46, 16], [6, 147, 117, 4, 148, 118], [6, 73, 45, 14, 74, 46], [11, 54, 24, 16, 55, 25], [30, 46, 16, 2, 47, 17], [8, 132, 106, 4, 133, 107], [8, 75, 47, 13, 76, 48], [7, 54, 24, 22, 55, 25], [22, 45, 15, 13, 46, 16], [10, 142, 114, 2, 143, 115], [19, 74, 46, 4, 75, 47], [28, 50, 22, 6, 51, 23], [33, 46, 16, 4, 47, 17], [8, 152, 122, 4, 153, 123], [22, 73, 45, 3, 74, 46], [8, 53, 23, 26, 54, 24], [12, 45, 15, 28, 46, 16], [3, 147, 117, 10, 148, 118], [3, 73, 45, 23, 74, 46], [4, 54, 24, 31, 55, 25], [11, 45, 15, 31, 46, 16], [7, 146, 116, 7, 147, 117], [21, 73, 45, 7, 74, 46], [1, 53, 23, 37, 54, 24], [19, 45, 15, 26, 46, 16], [5, 145, 115, 10, 146, 116], [19, 75, 47, 10, 76, 48], [15, 54, 24, 25, 55, 25], [23, 45, 15, 25, 46, 16], [13, 145, 115, 3, 146, 116], [2, 74, 46, 29, 75, 47], [42, 54, 24, 1, 55, 25], [23, 45, 15, 28, 46, 16], [17, 145, 115], [10, 74, 46, 23, 75, 47], [10, 54, 24, 35, 55, 25], [19, 45, 15, 35, 46, 16], [17, 145, 115, 1, 146, 116], [14, 74, 46, 21, 75, 47], [29, 54, 24, 19, 55, 25], [11, 45, 15, 46, 46, 16], [13, 145, 115, 6, 146, 116], [14, 74, 46, 23, 75, 47], [44, 54, 24, 7, 55, 25], [59, 46, 16, 1, 47, 17], [12, 151, 121, 7, 152, 122], [12, 75, 47, 26, 76, 48], [39, 54, 24, 14, 55, 25], [22, 45, 15, 41, 46, 16], [6, 151, 121, 14, 152, 122], [6, 75, 47, 34, 76, 48], [46, 54, 24, 10, 55, 25], [2, 45, 15, 64, 46, 16], [17, 152, 122, 4, 153, 123], [29, 74, 46, 14, 75, 47], [49, 54, 24, 10, 55, 25], [24, 45, 15, 46, 46, 16], [4, 152, 122, 18, 153, 123], [13, 74, 46, 32, 75, 47], [48, 54, 24, 14, 55, 25], [42, 45, 15, 32, 46, 16], [20, 147, 117, 4, 148, 118], [40, 75, 47, 7, 76, 48], [43, 54, 24, 22, 55, 25], [10, 45, 15, 67, 46, 16], [19, 148, 118, 6, 149, 119], [18, 75, 47, 31, 76, 48], [34, 54, 24, 34, 55, 25], [20, 45, 15, 61, 46, 16]]; QRRSBlock.getRSBlocks = function (typeNumber, errorCorrectLevel) {
  233. var rsBlock = QRRSBlock.getRsBlockTable(typeNumber, errorCorrectLevel); if (rsBlock == undefined) { throw new Error("bad rs block @ typeNumber:" + typeNumber + "/errorCorrectLevel:" + errorCorrectLevel); }
  234. 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)); } }
  235. return list;
  236. }; 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; }
  237. 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) {
  238. var bufIndex = Math.floor(this.length / 8); if (this.buffer.length <= bufIndex) { this.buffer.push(0); }
  239. if (bit) { this.buffer[bufIndex] |= (0x80 >>> (this.length % 8)); }
  240. this.length++;
  241. }
  242. }; 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]];
  243. function _isSupportCanvas() {
  244. return typeof CanvasRenderingContext2D != "undefined";
  245. }
  246. // android 2.x doesn't support Data-URI spec
  247. function _getAndroid() {
  248. var android = false;
  249. var sAgent = navigator.userAgent;
  250. if (/android/i.test(sAgent)) { // android
  251. android = true;
  252. var aMat = sAgent.toString().match(/android ([0-9]\.[0-9])/i);
  253. if (aMat && aMat[1]) {
  254. android = parseFloat(aMat[1]);
  255. }
  256. }
  257. return android;
  258. }
  259. var svgDrawer = (function () {
  260. var Drawing = function (el, htOption) {
  261. this._el = el;
  262. this._htOption = htOption;
  263. };
  264. Drawing.prototype.draw = function (oQRCode) {
  265. var _htOption = this._htOption;
  266. var _el = this._el;
  267. var nCount = oQRCode.getModuleCount();
  268. var nWidth = Math.floor(_htOption.width / nCount);
  269. var nHeight = Math.floor(_htOption.height / nCount);
  270. this.clear();
  271. function makeSVG(tag, attrs) {
  272. var el = document.createElementNS('http://www.w3.org/2000/svg', tag);
  273. for (var k in attrs)
  274. if (attrs.hasOwnProperty(k)) el.setAttribute(k, attrs[k]);
  275. return el;
  276. }
  277. var svg = makeSVG("svg", { 'viewBox': '0 0 ' + String(nCount) + " " + String(nCount), 'width': '100%', 'height': '100%', 'fill': _htOption.colorLight });
  278. svg.setAttributeNS("http://www.w3.org/2000/xmlns/", "xmlns:xlink", "http://www.w3.org/1999/xlink");
  279. _el.appendChild(svg);
  280. svg.appendChild(makeSVG("rect", { "fill": _htOption.colorLight, "width": "100%", "height": "100%" }));
  281. svg.appendChild(makeSVG("rect", { "fill": _htOption.colorDark, "width": "1", "height": "1", "id": "template" }));
  282. for (var row = 0; row < nCount; row++) {
  283. for (var col = 0; col < nCount; col++) {
  284. if (oQRCode.isDark(row, col)) {
  285. var child = makeSVG("use", { "x": String(col), "y": String(row) });
  286. child.setAttributeNS("http://www.w3.org/1999/xlink", "href", "#template")
  287. svg.appendChild(child);
  288. }
  289. }
  290. }
  291. };
  292. Drawing.prototype.clear = function () {
  293. while (this._el.hasChildNodes())
  294. this._el.removeChild(this._el.lastChild);
  295. };
  296. return Drawing;
  297. })();
  298. var useSVG = document.documentElement.tagName.toLowerCase() === "svg";
  299. // Drawing in DOM by using Table tag
  300. var Drawing = useSVG ? svgDrawer : !_isSupportCanvas() ? (function () {
  301. var Drawing = function (el, htOption) {
  302. this._el = el;
  303. this._htOption = htOption;
  304. };
  305. /**
  306. * Draw the QRCode
  307. *
  308. * @param {QRCode} oQRCode
  309. */
  310. Drawing.prototype.draw = function (oQRCode) {
  311. var _htOption = this._htOption;
  312. var _el = this._el;
  313. var nCount = oQRCode.getModuleCount();
  314. var nWidth = Math.floor(_htOption.width / nCount);
  315. var nHeight = Math.floor(_htOption.height / nCount);
  316. var aHTML = ['<table style="border:0;border-collapse:collapse;">'];
  317. for (var row = 0; row < nCount; row++) {
  318. aHTML.push('<tr>');
  319. for (var col = 0; col < nCount; col++) {
  320. 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>');
  321. }
  322. aHTML.push('</tr>');
  323. }
  324. aHTML.push('</table>');
  325. _el.innerHTML = aHTML.join('');
  326. // Fix the margin values as real size.
  327. var elTable = _el.childNodes[0];
  328. var nLeftMarginTable = (_htOption.width - elTable.offsetWidth) / 2;
  329. var nTopMarginTable = (_htOption.height - elTable.offsetHeight) / 2;
  330. if (nLeftMarginTable > 0 && nTopMarginTable > 0) {
  331. elTable.style.margin = nTopMarginTable + "px " + nLeftMarginTable + "px";
  332. }
  333. };
  334. /**
  335. * Clear the QRCode
  336. */
  337. Drawing.prototype.clear = function () {
  338. this._el.innerHTML = '';
  339. };
  340. return Drawing;
  341. })() : (function () { // Drawing in Canvas
  342. function _onMakeImage() {
  343. this._elImage.src = this._elCanvas.toDataURL("image/png");
  344. this._elImage.style.display = "block";
  345. this._elCanvas.style.display = "none";
  346. }
  347. // Android 2.1 bug workaround
  348. // http://code.google.com/p/android/issues/detail?id=5141
  349. if (this._android && this._android <= 2.1) {
  350. var factor = 1 / window.devicePixelRatio;
  351. var drawImage = CanvasRenderingContext2D.prototype.drawImage;
  352. CanvasRenderingContext2D.prototype.drawImage = function (image, sx, sy, sw, sh, dx, dy, dw, dh) {
  353. if (("nodeName" in image) && /img/i.test(image.nodeName)) {
  354. for (var i = arguments.length - 1; i >= 1; i--) {
  355. arguments[i] = arguments[i] * factor;
  356. }
  357. } else if (typeof dw == "undefined") {
  358. arguments[1] *= factor;
  359. arguments[2] *= factor;
  360. arguments[3] *= factor;
  361. arguments[4] *= factor;
  362. }
  363. drawImage.apply(this, arguments);
  364. };
  365. }
  366. /**
  367. * Check whether the user's browser supports Data URI or not
  368. *
  369. * @private
  370. * @param {Function} fSuccess Occurs if it supports Data URI
  371. * @param {Function} fFail Occurs if it doesn't support Data URI
  372. */
  373. function _safeSetDataURI(fSuccess, fFail) {
  374. var self = this;
  375. self._fFail = fFail;
  376. self._fSuccess = fSuccess;
  377. // Check it just once
  378. if (self._bSupportDataURI === null) {
  379. var el = document.createElement("img");
  380. var fOnError = function () {
  381. self._bSupportDataURI = false;
  382. if (self._fFail) {
  383. self._fFail.call(self);
  384. }
  385. };
  386. var fOnSuccess = function () {
  387. self._bSupportDataURI = true;
  388. if (self._fSuccess) {
  389. self._fSuccess.call(self);
  390. }
  391. };
  392. el.onabort = fOnError;
  393. el.onerror = fOnError;
  394. el.onload = fOnSuccess;
  395. el.src = "data:image/gif;base64,iVBORw0KGgoAAAANSUhEUgAAAAUAAAAFCAYAAACNbyblAAAAHElEQVQI12P4//8/w38GIAXDIBKE0DHxgljNBAAO9TXL0Y4OHwAAAABJRU5ErkJggg=="; // the Image contains 1px data.
  396. return;
  397. } else if (self._bSupportDataURI === true && self._fSuccess) {
  398. self._fSuccess.call(self);
  399. } else if (self._bSupportDataURI === false && self._fFail) {
  400. self._fFail.call(self);
  401. }
  402. };
  403. /**
  404. * Drawing QRCode by using canvas
  405. *
  406. * @constructor
  407. * @param {HTMLElement} el
  408. * @param {Object} htOption QRCode Options
  409. */
  410. var Drawing = function (el, htOption) {
  411. this._bIsPainted = false;
  412. this._android = _getAndroid();
  413. this._htOption = htOption;
  414. this._elCanvas = document.createElement("canvas");
  415. this._elCanvas.width = htOption.width;
  416. this._elCanvas.height = htOption.height;
  417. el.appendChild(this._elCanvas);
  418. this._el = el;
  419. this._oContext = this._elCanvas.getContext("2d");
  420. this._bIsPainted = false;
  421. this._elImage = document.createElement("img");
  422. this._elImage.alt = "Scan me!";
  423. this._elImage.style.display = "none";
  424. this._el.appendChild(this._elImage);
  425. this._bSupportDataURI = null;
  426. };
  427. /**
  428. * Draw the QRCode
  429. *
  430. * @param {QRCode} oQRCode
  431. */
  432. Drawing.prototype.draw = function (oQRCode) {
  433. var _elImage = this._elImage;
  434. var _oContext = this._oContext;
  435. var _htOption = this._htOption;
  436. var nCount = oQRCode.getModuleCount();
  437. var nWidth = _htOption.width / nCount;
  438. var nHeight = _htOption.height / nCount;
  439. var nRoundedWidth = Math.round(nWidth);
  440. var nRoundedHeight = Math.round(nHeight);
  441. _elImage.style.display = "none";
  442. this.clear();
  443. for (var row = 0; row < nCount; row++) {
  444. for (var col = 0; col < nCount; col++) {
  445. var bIsDark = oQRCode.isDark(row, col);
  446. var nLeft = col * nWidth;
  447. var nTop = row * nHeight;
  448. _oContext.strokeStyle = bIsDark ? _htOption.colorDark : _htOption.colorLight;
  449. _oContext.lineWidth = 1;
  450. _oContext.fillStyle = bIsDark ? _htOption.colorDark : _htOption.colorLight;
  451. _oContext.fillRect(nLeft, nTop, nWidth, nHeight);
  452. // 안티 앨리어싱 방지 처리
  453. _oContext.strokeRect(
  454. Math.floor(nLeft) + 0.5,
  455. Math.floor(nTop) + 0.5,
  456. nRoundedWidth,
  457. nRoundedHeight
  458. );
  459. _oContext.strokeRect(
  460. Math.ceil(nLeft) - 0.5,
  461. Math.ceil(nTop) - 0.5,
  462. nRoundedWidth,
  463. nRoundedHeight
  464. );
  465. }
  466. }
  467. this._bIsPainted = true;
  468. };
  469. /**
  470. * Make the image from Canvas if the browser supports Data URI.
  471. */
  472. Drawing.prototype.makeImage = function () {
  473. if (this._bIsPainted) {
  474. _safeSetDataURI.call(this, _onMakeImage);
  475. }
  476. };
  477. /**
  478. * Return whether the QRCode is painted or not
  479. *
  480. * @return {Boolean}
  481. */
  482. Drawing.prototype.isPainted = function () {
  483. return this._bIsPainted;
  484. };
  485. /**
  486. * Clear the QRCode
  487. */
  488. Drawing.prototype.clear = function () {
  489. this._oContext.clearRect(0, 0, this._elCanvas.width, this._elCanvas.height);
  490. this._bIsPainted = false;
  491. };
  492. /**
  493. * @private
  494. * @param {Number} nNumber
  495. */
  496. Drawing.prototype.round = function (nNumber) {
  497. if (!nNumber) {
  498. return nNumber;
  499. }
  500. return Math.floor(nNumber * 1000) / 1000;
  501. };
  502. return Drawing;
  503. })();
  504. /**
  505. * Get the type by string length
  506. *
  507. * @private
  508. * @param {String} sText
  509. * @param {Number} nCorrectLevel
  510. * @return {Number} type
  511. */
  512. function _getTypeNumber(sText, nCorrectLevel) {
  513. var nType = 1;
  514. var length = _getUTF8Length(sText);
  515. for (var i = 0, len = QRCodeLimitLength.length; i <= len; i++) {
  516. var nLimit = 0;
  517. switch (nCorrectLevel) {
  518. case QRErrorCorrectLevel.L:
  519. nLimit = QRCodeLimitLength[i][0];
  520. break;
  521. case QRErrorCorrectLevel.M:
  522. nLimit = QRCodeLimitLength[i][1];
  523. break;
  524. case QRErrorCorrectLevel.Q:
  525. nLimit = QRCodeLimitLength[i][2];
  526. break;
  527. case QRErrorCorrectLevel.H:
  528. nLimit = QRCodeLimitLength[i][3];
  529. break;
  530. }
  531. if (length <= nLimit) {
  532. break;
  533. } else {
  534. nType++;
  535. }
  536. }
  537. if (nType > QRCodeLimitLength.length) {
  538. throw new Error("Too long data");
  539. }
  540. return nType;
  541. }
  542. function _getUTF8Length(sText) {
  543. var replacedText = encodeURI(sText).toString().replace(/\%[0-9a-fA-F]{2}/g, 'a');
  544. return replacedText.length + (replacedText.length != sText ? 3 : 0);
  545. }
  546. /**
  547. * @class QRCode
  548. * @constructor
  549. * @example
  550. * new QRCode(document.getElementById("test"), "http://jindo.dev.naver.com/collie");
  551. *
  552. * @example
  553. * var oQRCode = new QRCode("test", {
  554. * text : "http://naver.com",
  555. * width : 128,
  556. * height : 128
  557. * });
  558. *
  559. * oQRCode.clear(); // Clear the QRCode.
  560. * oQRCode.makeCode("http://map.naver.com"); // Re-create the QRCode.
  561. *
  562. * @param {HTMLElement|String} el target element or 'id' attribute of element.
  563. * @param {Object|String} vOption
  564. * @param {String} vOption.text QRCode link data
  565. * @param {Number} [vOption.width=256]
  566. * @param {Number} [vOption.height=256]
  567. * @param {String} [vOption.colorDark="#000000"]
  568. * @param {String} [vOption.colorLight="#ffffff"]
  569. * @param {QRCode.CorrectLevel} [vOption.correctLevel=QRCode.CorrectLevel.H] [L|M|Q|H]
  570. */
  571. QRCode = function (el, vOption) {
  572. this._htOption = {
  573. width: 256,
  574. height: 256,
  575. typeNumber: 4,
  576. colorDark: "#000000",
  577. colorLight: "#ffffff",
  578. correctLevel: QRErrorCorrectLevel.H
  579. };
  580. if (typeof vOption === 'string') {
  581. vOption = {
  582. text: vOption
  583. };
  584. }
  585. // Overwrites options
  586. if (vOption) {
  587. for (var i in vOption) {
  588. this._htOption[i] = vOption[i];
  589. }
  590. }
  591. if (typeof el == "string") {
  592. el = document.getElementById(el);
  593. }
  594. if (this._htOption.useSVG) {
  595. Drawing = svgDrawer;
  596. }
  597. this._android = _getAndroid();
  598. this._el = el;
  599. this._oQRCode = null;
  600. this._oDrawing = new Drawing(this._el, this._htOption);
  601. if (this._htOption.text) {
  602. this.makeCode(this._htOption.text);
  603. }
  604. };
  605. /**
  606. * Make the QRCode
  607. *
  608. * @param {String} sText link data
  609. */
  610. QRCode.prototype.makeCode = function (sText) {
  611. this._oQRCode = new QRCodeModel(_getTypeNumber(sText, this._htOption.correctLevel), this._htOption.correctLevel);
  612. this._oQRCode.addData(sText);
  613. this._oQRCode.make();
  614. this._el.title = sText;
  615. this._oDrawing.draw(this._oQRCode);
  616. this.makeImage();
  617. };
  618. /**
  619. * Make the Image from Canvas element
  620. * - It occurs automatically
  621. * - Android below 3 doesn't support Data-URI spec.
  622. *
  623. * @private
  624. */
  625. QRCode.prototype.makeImage = function () {
  626. if (typeof this._oDrawing.makeImage == "function" && (!this._android || this._android >= 3)) {
  627. this._oDrawing.makeImage();
  628. }
  629. };
  630. /**
  631. * Clear the QRCode
  632. */
  633. QRCode.prototype.clear = function () {
  634. this._oDrawing.clear();
  635. };
  636. /**
  637. * @name QRCode.CorrectLevel
  638. */
  639. QRCode.CorrectLevel = QRErrorCorrectLevel;
  640. })();