qrcode.js 27 KB

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  1. /**
  2. * weapp.qrcode.js v1.0.0 (https://github.com/yingye/weapp-qrcode#readme)
  3. */
  4. var hasOwn = Object.prototype.hasOwnProperty,
  5. toStr = Object.prototype.toString,
  6. defineProperty = Object.defineProperty,
  7. gOPD = Object.getOwnPropertyDescriptor,
  8. isArray = function (t) {
  9. return "function" == typeof Array.isArray
  10. ? Array.isArray(t)
  11. : "[object Array]" === toStr.call(t);
  12. },
  13. isPlainObject = function (t) {
  14. if (!t || "[object Object]" !== toStr.call(t)) return !1;
  15. var e,
  16. r = hasOwn.call(t, "constructor"),
  17. o =
  18. t.constructor &&
  19. t.constructor.prototype &&
  20. hasOwn.call(t.constructor.prototype, "isPrototypeOf");
  21. if (t.constructor && !r && !o) return !1;
  22. for (e in t);
  23. return void 0 === e || hasOwn.call(t, e);
  24. },
  25. setProperty = function (t, e) {
  26. defineProperty && "__proto__" === e.name
  27. ? defineProperty(t, e.name, {
  28. enumerable: !0,
  29. configurable: !0,
  30. value: e.newValue,
  31. writable: !0,
  32. })
  33. : (t[e.name] = e.newValue);
  34. },
  35. getProperty = function (t, e) {
  36. if ("__proto__" === e) {
  37. if (!hasOwn.call(t, e)) return;
  38. if (gOPD) return gOPD(t, e).value;
  39. }
  40. return t[e];
  41. },
  42. extend = function t() {
  43. var e,
  44. r,
  45. o,
  46. n,
  47. i,
  48. a,
  49. s = arguments[0],
  50. u = 1,
  51. l = arguments.length,
  52. h = !1;
  53. for (
  54. "boolean" == typeof s && ((h = s), (s = arguments[1] || {}), (u = 2)),
  55. (null == s || ("object" != typeof s && "function" != typeof s)) &&
  56. (s = {});
  57. u < l;
  58. ++u
  59. )
  60. if (null != (e = arguments[u]))
  61. for (r in e)
  62. (o = getProperty(s, r)),
  63. s !== (n = getProperty(e, r)) &&
  64. (h && n && (isPlainObject(n) || (i = isArray(n)))
  65. ? (i
  66. ? ((i = !1), (a = o && isArray(o) ? o : []))
  67. : (a = o && isPlainObject(o) ? o : {}),
  68. setProperty(s, { name: r, newValue: t(h, a, n) }))
  69. : void 0 !== n && setProperty(s, { name: r, newValue: n }));
  70. return s;
  71. };
  72. function QR8bitByte(t) {
  73. (this.mode = QRMode.MODE_8BIT_BYTE), (this.data = t);
  74. }
  75. function QRCode(t, e) {
  76. (this.typeNumber = t),
  77. (this.errorCorrectLevel = e),
  78. (this.modules = null),
  79. (this.moduleCount = 0),
  80. (this.dataCache = null),
  81. (this.dataList = new Array());
  82. }
  83. (QR8bitByte.prototype = {
  84. getLength: function (t) {
  85. return this.data.length;
  86. },
  87. write: function (t) {
  88. for (var e = 0; e < this.data.length; e++)
  89. t.put(this.data.charCodeAt(e), 8);
  90. },
  91. }),
  92. (QRCode.prototype = {
  93. addData: function (t) {
  94. var e = new QR8bitByte(t);
  95. this.dataList.push(e), (this.dataCache = null);
  96. },
  97. isDark: function (t, e) {
  98. if (t < 0 || this.moduleCount <= t || e < 0 || this.moduleCount <= e)
  99. throw new Error(t + "," + e);
  100. return this.modules[t][e];
  101. },
  102. getModuleCount: function () {
  103. return this.moduleCount;
  104. },
  105. make: function () {
  106. if (this.typeNumber < 1) {
  107. var t = 1;
  108. for (t = 1; t < 40; t++) {
  109. for (
  110. var e = QRRSBlock.getRSBlocks(t, this.errorCorrectLevel),
  111. r = new QRBitBuffer(),
  112. o = 0,
  113. n = 0;
  114. n < e.length;
  115. n++
  116. )
  117. o += e[n].dataCount;
  118. for (n = 0; n < this.dataList.length; n++) {
  119. var i = this.dataList[n];
  120. r.put(i.mode, 4),
  121. r.put(i.getLength(), QRUtil.getLengthInBits(i.mode, t)),
  122. i.write(r);
  123. }
  124. if (r.getLengthInBits() <= 8 * o) break;
  125. }
  126. this.typeNumber = t;
  127. }
  128. this.makeImpl(!1, this.getBestMaskPattern());
  129. },
  130. makeImpl: function (t, e) {
  131. (this.moduleCount = 4 * this.typeNumber + 17),
  132. (this.modules = new Array(this.moduleCount));
  133. for (var r = 0; r < this.moduleCount; r++) {
  134. this.modules[r] = new Array(this.moduleCount);
  135. for (var o = 0; o < this.moduleCount; o++) this.modules[r][o] = null;
  136. }
  137. this.setupPositionProbePattern(0, 0),
  138. this.setupPositionProbePattern(this.moduleCount - 7, 0),
  139. this.setupPositionProbePattern(0, this.moduleCount - 7),
  140. this.setupPositionAdjustPattern(),
  141. this.setupTimingPattern(),
  142. this.setupTypeInfo(t, e),
  143. this.typeNumber >= 7 && this.setupTypeNumber(t),
  144. null == this.dataCache &&
  145. (this.dataCache = QRCode.createData(
  146. this.typeNumber,
  147. this.errorCorrectLevel,
  148. this.dataList
  149. )),
  150. this.mapData(this.dataCache, e);
  151. },
  152. setupPositionProbePattern: function (t, e) {
  153. for (var r = -1; r <= 7; r++)
  154. if (!(t + r <= -1 || this.moduleCount <= t + r))
  155. for (var o = -1; o <= 7; o++)
  156. e + o <= -1 ||
  157. this.moduleCount <= e + o ||
  158. (this.modules[t + r][e + o] =
  159. (0 <= r && r <= 6 && (0 == o || 6 == o)) ||
  160. (0 <= o && o <= 6 && (0 == r || 6 == r)) ||
  161. (2 <= r && r <= 4 && 2 <= o && o <= 4));
  162. },
  163. getBestMaskPattern: function () {
  164. for (var t = 0, e = 0, r = 0; r < 8; r++) {
  165. this.makeImpl(!0, r);
  166. var o = QRUtil.getLostPoint(this);
  167. (0 == r || t > o) && ((t = o), (e = r));
  168. }
  169. return e;
  170. },
  171. createMovieClip: function (t, e, r) {
  172. var o = t.createEmptyMovieClip(e, r);
  173. this.make();
  174. for (var n = 0; n < this.modules.length; n++)
  175. for (var i = 1 * n, a = 0; a < this.modules[n].length; a++) {
  176. var s = 1 * a;
  177. this.modules[n][a] &&
  178. (o.beginFill(0, 100),
  179. o.moveTo(s, i),
  180. o.lineTo(s + 1, i),
  181. o.lineTo(s + 1, i + 1),
  182. o.lineTo(s, i + 1),
  183. o.endFill());
  184. }
  185. return o;
  186. },
  187. setupTimingPattern: function () {
  188. for (var t = 8; t < this.moduleCount - 8; t++)
  189. null == this.modules[t][6] && (this.modules[t][6] = t % 2 == 0);
  190. for (var e = 8; e < this.moduleCount - 8; e++)
  191. null == this.modules[6][e] && (this.modules[6][e] = e % 2 == 0);
  192. },
  193. setupPositionAdjustPattern: function () {
  194. for (
  195. var t = QRUtil.getPatternPosition(this.typeNumber), e = 0;
  196. e < t.length;
  197. e++
  198. )
  199. for (var r = 0; r < t.length; r++) {
  200. var o = t[e],
  201. n = t[r];
  202. if (null == this.modules[o][n])
  203. for (var i = -2; i <= 2; i++)
  204. for (var a = -2; a <= 2; a++)
  205. this.modules[o + i][n + a] =
  206. -2 == i || 2 == i || -2 == a || 2 == a || (0 == i && 0 == a);
  207. }
  208. },
  209. setupTypeNumber: function (t) {
  210. for (
  211. var e = QRUtil.getBCHTypeNumber(this.typeNumber), r = 0;
  212. r < 18;
  213. r++
  214. ) {
  215. var o = !t && 1 == ((e >> r) & 1);
  216. this.modules[Math.floor(r / 3)][(r % 3) + this.moduleCount - 8 - 3] = o;
  217. }
  218. for (r = 0; r < 18; r++) {
  219. o = !t && 1 == ((e >> r) & 1);
  220. this.modules[(r % 3) + this.moduleCount - 8 - 3][Math.floor(r / 3)] = o;
  221. }
  222. },
  223. setupTypeInfo: function (t, e) {
  224. for (
  225. var r = (this.errorCorrectLevel << 3) | e,
  226. o = QRUtil.getBCHTypeInfo(r),
  227. n = 0;
  228. n < 15;
  229. n++
  230. ) {
  231. var i = !t && 1 == ((o >> n) & 1);
  232. n < 6
  233. ? (this.modules[n][8] = i)
  234. : n < 8
  235. ? (this.modules[n + 1][8] = i)
  236. : (this.modules[this.moduleCount - 15 + n][8] = i);
  237. }
  238. for (n = 0; n < 15; n++) {
  239. i = !t && 1 == ((o >> n) & 1);
  240. n < 8
  241. ? (this.modules[8][this.moduleCount - n - 1] = i)
  242. : n < 9
  243. ? (this.modules[8][15 - n - 1 + 1] = i)
  244. : (this.modules[8][15 - n - 1] = i);
  245. }
  246. this.modules[this.moduleCount - 8][8] = !t;
  247. },
  248. mapData: function (t, e) {
  249. for (
  250. var r = -1,
  251. o = this.moduleCount - 1,
  252. n = 7,
  253. i = 0,
  254. a = this.moduleCount - 1;
  255. a > 0;
  256. a -= 2
  257. )
  258. for (6 == a && a--; ; ) {
  259. for (var s = 0; s < 2; s++)
  260. if (null == this.modules[o][a - s]) {
  261. var u = !1;
  262. i < t.length && (u = 1 == ((t[i] >>> n) & 1)),
  263. QRUtil.getMask(e, o, a - s) && (u = !u),
  264. (this.modules[o][a - s] = u),
  265. -1 == --n && (i++, (n = 7));
  266. }
  267. if ((o += r) < 0 || this.moduleCount <= o) {
  268. (o -= r), (r = -r);
  269. break;
  270. }
  271. }
  272. },
  273. }),
  274. (QRCode.PAD0 = 236),
  275. (QRCode.PAD1 = 17),
  276. (QRCode.createData = function (t, e, r) {
  277. for (
  278. var o = QRRSBlock.getRSBlocks(t, e), n = new QRBitBuffer(), i = 0;
  279. i < r.length;
  280. i++
  281. ) {
  282. var a = r[i];
  283. n.put(a.mode, 4),
  284. n.put(a.getLength(), QRUtil.getLengthInBits(a.mode, t)),
  285. a.write(n);
  286. }
  287. var s = 0;
  288. for (i = 0; i < o.length; i++) s += o[i].dataCount;
  289. if (n.getLengthInBits() > 8 * s)
  290. throw new Error(
  291. "code length overflow. (" + n.getLengthInBits() + ">" + 8 * s + ")"
  292. );
  293. for (
  294. n.getLengthInBits() + 4 <= 8 * s && n.put(0, 4);
  295. n.getLengthInBits() % 8 != 0;
  296. )
  297. n.putBit(!1);
  298. for (
  299. ;
  300. !(
  301. n.getLengthInBits() >= 8 * s ||
  302. (n.put(QRCode.PAD0, 8), n.getLengthInBits() >= 8 * s)
  303. );
  304. )
  305. n.put(QRCode.PAD1, 8);
  306. return QRCode.createBytes(n, o);
  307. }),
  308. (QRCode.createBytes = function (t, e) {
  309. for (
  310. var r = 0,
  311. o = 0,
  312. n = 0,
  313. i = new Array(e.length),
  314. a = new Array(e.length),
  315. s = 0;
  316. s < e.length;
  317. s++
  318. ) {
  319. var u = e[s].dataCount,
  320. l = e[s].totalCount - u;
  321. (o = Math.max(o, u)), (n = Math.max(n, l)), (i[s] = new Array(u));
  322. for (var h = 0; h < i[s].length; h++) i[s][h] = 255 & t.buffer[h + r];
  323. r += u;
  324. var f = QRUtil.getErrorCorrectPolynomial(l),
  325. g = new QRPolynomial(i[s], f.getLength() - 1).mod(f);
  326. a[s] = new Array(f.getLength() - 1);
  327. for (h = 0; h < a[s].length; h++) {
  328. var c = h + g.getLength() - a[s].length;
  329. a[s][h] = c >= 0 ? g.get(c) : 0;
  330. }
  331. }
  332. var d = 0;
  333. for (h = 0; h < e.length; h++) d += e[h].totalCount;
  334. var R = new Array(d),
  335. m = 0;
  336. for (h = 0; h < o; h++)
  337. for (s = 0; s < e.length; s++) h < i[s].length && (R[m++] = i[s][h]);
  338. for (h = 0; h < n; h++)
  339. for (s = 0; s < e.length; s++) h < a[s].length && (R[m++] = a[s][h]);
  340. return R;
  341. });
  342. for (
  343. var QRMode = {
  344. MODE_NUMBER: 1,
  345. MODE_ALPHA_NUM: 2,
  346. MODE_8BIT_BYTE: 4,
  347. MODE_KANJI: 8,
  348. },
  349. QRErrorCorrectLevel = { L: 1, M: 0, Q: 3, H: 2 },
  350. QRMaskPattern = {
  351. PATTERN000: 0,
  352. PATTERN001: 1,
  353. PATTERN010: 2,
  354. PATTERN011: 3,
  355. PATTERN100: 4,
  356. PATTERN101: 5,
  357. PATTERN110: 6,
  358. PATTERN111: 7,
  359. },
  360. QRUtil = {
  361. PATTERN_POSITION_TABLE: [
  362. [],
  363. [6, 18],
  364. [6, 22],
  365. [6, 26],
  366. [6, 30],
  367. [6, 34],
  368. [6, 22, 38],
  369. [6, 24, 42],
  370. [6, 26, 46],
  371. [6, 28, 50],
  372. [6, 30, 54],
  373. [6, 32, 58],
  374. [6, 34, 62],
  375. [6, 26, 46, 66],
  376. [6, 26, 48, 70],
  377. [6, 26, 50, 74],
  378. [6, 30, 54, 78],
  379. [6, 30, 56, 82],
  380. [6, 30, 58, 86],
  381. [6, 34, 62, 90],
  382. [6, 28, 50, 72, 94],
  383. [6, 26, 50, 74, 98],
  384. [6, 30, 54, 78, 102],
  385. [6, 28, 54, 80, 106],
  386. [6, 32, 58, 84, 110],
  387. [6, 30, 58, 86, 114],
  388. [6, 34, 62, 90, 118],
  389. [6, 26, 50, 74, 98, 122],
  390. [6, 30, 54, 78, 102, 126],
  391. [6, 26, 52, 78, 104, 130],
  392. [6, 30, 56, 82, 108, 134],
  393. [6, 34, 60, 86, 112, 138],
  394. [6, 30, 58, 86, 114, 142],
  395. [6, 34, 62, 90, 118, 146],
  396. [6, 30, 54, 78, 102, 126, 150],
  397. [6, 24, 50, 76, 102, 128, 154],
  398. [6, 28, 54, 80, 106, 132, 158],
  399. [6, 32, 58, 84, 110, 136, 162],
  400. [6, 26, 54, 82, 110, 138, 166],
  401. [6, 30, 58, 86, 114, 142, 170],
  402. ],
  403. G15: 1335,
  404. G18: 7973,
  405. G15_MASK: 21522,
  406. getBCHTypeInfo: function (t) {
  407. for (
  408. var e = t << 10;
  409. QRUtil.getBCHDigit(e) - QRUtil.getBCHDigit(QRUtil.G15) >= 0;
  410. )
  411. e ^=
  412. QRUtil.G15 <<
  413. (QRUtil.getBCHDigit(e) - QRUtil.getBCHDigit(QRUtil.G15));
  414. return ((t << 10) | e) ^ QRUtil.G15_MASK;
  415. },
  416. getBCHTypeNumber: function (t) {
  417. for (
  418. var e = t << 12;
  419. QRUtil.getBCHDigit(e) - QRUtil.getBCHDigit(QRUtil.G18) >= 0;
  420. )
  421. e ^=
  422. QRUtil.G18 <<
  423. (QRUtil.getBCHDigit(e) - QRUtil.getBCHDigit(QRUtil.G18));
  424. return (t << 12) | e;
  425. },
  426. getBCHDigit: function (t) {
  427. for (var e = 0; 0 != t; ) e++, (t >>>= 1);
  428. return e;
  429. },
  430. getPatternPosition: function (t) {
  431. return QRUtil.PATTERN_POSITION_TABLE[t - 1];
  432. },
  433. getMask: function (t, e, r) {
  434. switch (t) {
  435. case QRMaskPattern.PATTERN000:
  436. return (e + r) % 2 == 0;
  437. case QRMaskPattern.PATTERN001:
  438. return e % 2 == 0;
  439. case QRMaskPattern.PATTERN010:
  440. return r % 3 == 0;
  441. case QRMaskPattern.PATTERN011:
  442. return (e + r) % 3 == 0;
  443. case QRMaskPattern.PATTERN100:
  444. return (Math.floor(e / 2) + Math.floor(r / 3)) % 2 == 0;
  445. case QRMaskPattern.PATTERN101:
  446. return ((e * r) % 2) + ((e * r) % 3) == 0;
  447. case QRMaskPattern.PATTERN110:
  448. return (((e * r) % 2) + ((e * r) % 3)) % 2 == 0;
  449. case QRMaskPattern.PATTERN111:
  450. return (((e * r) % 3) + ((e + r) % 2)) % 2 == 0;
  451. default:
  452. throw new Error("bad maskPattern:" + t);
  453. }
  454. },
  455. getErrorCorrectPolynomial: function (t) {
  456. for (var e = new QRPolynomial([1], 0), r = 0; r < t; r++)
  457. e = e.multiply(new QRPolynomial([1, QRMath.gexp(r)], 0));
  458. return e;
  459. },
  460. getLengthInBits: function (t, e) {
  461. if (1 <= e && e < 10)
  462. switch (t) {
  463. case QRMode.MODE_NUMBER:
  464. return 10;
  465. case QRMode.MODE_ALPHA_NUM:
  466. return 9;
  467. case QRMode.MODE_8BIT_BYTE:
  468. case QRMode.MODE_KANJI:
  469. return 8;
  470. default:
  471. throw new Error("mode:" + t);
  472. }
  473. else if (e < 27)
  474. switch (t) {
  475. case QRMode.MODE_NUMBER:
  476. return 12;
  477. case QRMode.MODE_ALPHA_NUM:
  478. return 11;
  479. case QRMode.MODE_8BIT_BYTE:
  480. return 16;
  481. case QRMode.MODE_KANJI:
  482. return 10;
  483. default:
  484. throw new Error("mode:" + t);
  485. }
  486. else {
  487. if (!(e < 41)) throw new Error("type:" + e);
  488. switch (t) {
  489. case QRMode.MODE_NUMBER:
  490. return 14;
  491. case QRMode.MODE_ALPHA_NUM:
  492. return 13;
  493. case QRMode.MODE_8BIT_BYTE:
  494. return 16;
  495. case QRMode.MODE_KANJI:
  496. return 12;
  497. default:
  498. throw new Error("mode:" + t);
  499. }
  500. }
  501. },
  502. getLostPoint: function (t) {
  503. for (var e = t.getModuleCount(), r = 0, o = 0; o < e; o++)
  504. for (var n = 0; n < e; n++) {
  505. for (var i = 0, a = t.isDark(o, n), s = -1; s <= 1; s++)
  506. if (!(o + s < 0 || e <= o + s))
  507. for (var u = -1; u <= 1; u++)
  508. n + u < 0 ||
  509. e <= n + u ||
  510. (0 == s && 0 == u) ||
  511. (a == t.isDark(o + s, n + u) && i++);
  512. i > 5 && (r += 3 + i - 5);
  513. }
  514. for (o = 0; o < e - 1; o++)
  515. for (n = 0; n < e - 1; n++) {
  516. var l = 0;
  517. t.isDark(o, n) && l++,
  518. t.isDark(o + 1, n) && l++,
  519. t.isDark(o, n + 1) && l++,
  520. t.isDark(o + 1, n + 1) && l++,
  521. (0 != l && 4 != l) || (r += 3);
  522. }
  523. for (o = 0; o < e; o++)
  524. for (n = 0; n < e - 6; n++)
  525. t.isDark(o, n) &&
  526. !t.isDark(o, n + 1) &&
  527. t.isDark(o, n + 2) &&
  528. t.isDark(o, n + 3) &&
  529. t.isDark(o, n + 4) &&
  530. !t.isDark(o, n + 5) &&
  531. t.isDark(o, n + 6) &&
  532. (r += 40);
  533. for (n = 0; n < e; n++)
  534. for (o = 0; o < e - 6; o++)
  535. t.isDark(o, n) &&
  536. !t.isDark(o + 1, n) &&
  537. t.isDark(o + 2, n) &&
  538. t.isDark(o + 3, n) &&
  539. t.isDark(o + 4, n) &&
  540. !t.isDark(o + 5, n) &&
  541. t.isDark(o + 6, n) &&
  542. (r += 40);
  543. var h = 0;
  544. for (n = 0; n < e; n++) for (o = 0; o < e; o++) t.isDark(o, n) && h++;
  545. return (r += 10 * (Math.abs((100 * h) / e / e - 50) / 5));
  546. },
  547. },
  548. QRMath = {
  549. glog: function (t) {
  550. if (t < 1) throw new Error("glog(" + t + ")");
  551. return QRMath.LOG_TABLE[t];
  552. },
  553. gexp: function (t) {
  554. for (; t < 0; ) t += 255;
  555. for (; t >= 256; ) t -= 255;
  556. return QRMath.EXP_TABLE[t];
  557. },
  558. EXP_TABLE: new Array(256),
  559. LOG_TABLE: new Array(256),
  560. },
  561. i = 0;
  562. i < 8;
  563. i++
  564. )
  565. QRMath.EXP_TABLE[i] = 1 << i;
  566. for (i = 8; i < 256; i++)
  567. QRMath.EXP_TABLE[i] =
  568. QRMath.EXP_TABLE[i - 4] ^
  569. QRMath.EXP_TABLE[i - 5] ^
  570. QRMath.EXP_TABLE[i - 6] ^
  571. QRMath.EXP_TABLE[i - 8];
  572. for (i = 0; i < 255; i++) QRMath.LOG_TABLE[QRMath.EXP_TABLE[i]] = i;
  573. function QRPolynomial(t, e) {
  574. if (void 0 == t.length) throw new Error(t.length + "/" + e);
  575. for (var r = 0; r < t.length && 0 == t[r]; ) r++;
  576. this.num = new Array(t.length - r + e);
  577. for (var o = 0; o < t.length - r; o++) this.num[o] = t[o + r];
  578. }
  579. function QRRSBlock(t, e) {
  580. (this.totalCount = t), (this.dataCount = e);
  581. }
  582. function QRBitBuffer() {
  583. (this.buffer = new Array()), (this.length = 0);
  584. }
  585. function utf16to8(t) {
  586. var e, r, o, n;
  587. for (e = "", o = t.length, r = 0; r < o; r++)
  588. (n = t.charCodeAt(r)) >= 1 && n <= 127
  589. ? (e += t.charAt(r))
  590. : n > 2047
  591. ? ((e += String.fromCharCode(224 | ((n >> 12) & 15))),
  592. (e += String.fromCharCode(128 | ((n >> 6) & 63))),
  593. (e += String.fromCharCode(128 | ((n >> 0) & 63))))
  594. : ((e += String.fromCharCode(192 | ((n >> 6) & 31))),
  595. (e += String.fromCharCode(128 | ((n >> 0) & 63))));
  596. return e;
  597. }
  598. function drawQrcode(t) {
  599. (t = t || {}),
  600. (t = extend(
  601. !0,
  602. {
  603. width: 256,
  604. height: 256,
  605. x: 0,
  606. y: 0,
  607. typeNumber: -1,
  608. correctLevel: QRErrorCorrectLevel.H,
  609. background: "#ffffff",
  610. foreground: "#000000",
  611. image: { imageResource: "", dx: 0, dy: 0, dWidth: 100, dHeight: 100 },
  612. },
  613. t
  614. )).canvasId || t.ctx
  615. ? (function () {
  616. var e,
  617. r = new QRCode(t.typeNumber, t.correctLevel);
  618. r.addData(utf16to8(t.text)),
  619. r.make(),
  620. (e = t.ctx
  621. ? t.ctx
  622. : t._this
  623. ? wx.createCanvasContext &&
  624. wx.createCanvasContext(t.canvasId, t._this)
  625. : wx.createCanvasContext && wx.createCanvasContext(t.canvasId));
  626. for (
  627. var o = t.width / r.getModuleCount(),
  628. n = t.height / r.getModuleCount(),
  629. i = 0;
  630. i < r.getModuleCount();
  631. i++
  632. )
  633. for (var a = 0; a < r.getModuleCount(); a++) {
  634. var s = r.isDark(i, a) ? t.foreground : t.background;
  635. e.setFillStyle(s);
  636. var u = Math.ceil((a + 1) * o) - Math.floor(a * o),
  637. l = Math.ceil((i + 1) * o) - Math.floor(i * o);
  638. e.fillRect(
  639. Math.round(a * o) + t.x,
  640. Math.round(i * n) + t.y,
  641. u,
  642. l
  643. );
  644. }
  645. t.image.imageResource &&
  646. e.drawImage(
  647. t.image.imageResource,
  648. t.image.dx,
  649. t.image.dy,
  650. t.image.dWidth,
  651. t.image.dHeight
  652. );
  653. e.draw(!1, function (e) {
  654. t.callback && t.callback(e);
  655. });
  656. })()
  657. : console.warn("please set canvasId or ctx!");
  658. }
  659. (QRPolynomial.prototype = {
  660. get: function (t) {
  661. return this.num[t];
  662. },
  663. getLength: function () {
  664. return this.num.length;
  665. },
  666. multiply: function (t) {
  667. for (
  668. var e = new Array(this.getLength() + t.getLength() - 1), r = 0;
  669. r < this.getLength();
  670. r++
  671. )
  672. for (var o = 0; o < t.getLength(); o++)
  673. e[r + o] ^= QRMath.gexp(
  674. QRMath.glog(this.get(r)) + QRMath.glog(t.get(o))
  675. );
  676. return new QRPolynomial(e, 0);
  677. },
  678. mod: function (t) {
  679. if (this.getLength() - t.getLength() < 0) return this;
  680. for (
  681. var e = QRMath.glog(this.get(0)) - QRMath.glog(t.get(0)),
  682. r = new Array(this.getLength()),
  683. o = 0;
  684. o < this.getLength();
  685. o++
  686. )
  687. r[o] = this.get(o);
  688. for (o = 0; o < t.getLength(); o++)
  689. r[o] ^= QRMath.gexp(QRMath.glog(t.get(o)) + e);
  690. return new QRPolynomial(r, 0).mod(t);
  691. },
  692. }),
  693. (QRRSBlock.RS_BLOCK_TABLE = [
  694. [1, 26, 19],
  695. [1, 26, 16],
  696. [1, 26, 13],
  697. [1, 26, 9],
  698. [1, 44, 34],
  699. [1, 44, 28],
  700. [1, 44, 22],
  701. [1, 44, 16],
  702. [1, 70, 55],
  703. [1, 70, 44],
  704. [2, 35, 17],
  705. [2, 35, 13],
  706. [1, 100, 80],
  707. [2, 50, 32],
  708. [2, 50, 24],
  709. [4, 25, 9],
  710. [1, 134, 108],
  711. [2, 67, 43],
  712. [2, 33, 15, 2, 34, 16],
  713. [2, 33, 11, 2, 34, 12],
  714. [2, 86, 68],
  715. [4, 43, 27],
  716. [4, 43, 19],
  717. [4, 43, 15],
  718. [2, 98, 78],
  719. [4, 49, 31],
  720. [2, 32, 14, 4, 33, 15],
  721. [4, 39, 13, 1, 40, 14],
  722. [2, 121, 97],
  723. [2, 60, 38, 2, 61, 39],
  724. [4, 40, 18, 2, 41, 19],
  725. [4, 40, 14, 2, 41, 15],
  726. [2, 146, 116],
  727. [3, 58, 36, 2, 59, 37],
  728. [4, 36, 16, 4, 37, 17],
  729. [4, 36, 12, 4, 37, 13],
  730. [2, 86, 68, 2, 87, 69],
  731. [4, 69, 43, 1, 70, 44],
  732. [6, 43, 19, 2, 44, 20],
  733. [6, 43, 15, 2, 44, 16],
  734. [4, 101, 81],
  735. [1, 80, 50, 4, 81, 51],
  736. [4, 50, 22, 4, 51, 23],
  737. [3, 36, 12, 8, 37, 13],
  738. [2, 116, 92, 2, 117, 93],
  739. [6, 58, 36, 2, 59, 37],
  740. [4, 46, 20, 6, 47, 21],
  741. [7, 42, 14, 4, 43, 15],
  742. [4, 133, 107],
  743. [8, 59, 37, 1, 60, 38],
  744. [8, 44, 20, 4, 45, 21],
  745. [12, 33, 11, 4, 34, 12],
  746. [3, 145, 115, 1, 146, 116],
  747. [4, 64, 40, 5, 65, 41],
  748. [11, 36, 16, 5, 37, 17],
  749. [11, 36, 12, 5, 37, 13],
  750. [5, 109, 87, 1, 110, 88],
  751. [5, 65, 41, 5, 66, 42],
  752. [5, 54, 24, 7, 55, 25],
  753. [11, 36, 12],
  754. [5, 122, 98, 1, 123, 99],
  755. [7, 73, 45, 3, 74, 46],
  756. [15, 43, 19, 2, 44, 20],
  757. [3, 45, 15, 13, 46, 16],
  758. [1, 135, 107, 5, 136, 108],
  759. [10, 74, 46, 1, 75, 47],
  760. [1, 50, 22, 15, 51, 23],
  761. [2, 42, 14, 17, 43, 15],
  762. [5, 150, 120, 1, 151, 121],
  763. [9, 69, 43, 4, 70, 44],
  764. [17, 50, 22, 1, 51, 23],
  765. [2, 42, 14, 19, 43, 15],
  766. [3, 141, 113, 4, 142, 114],
  767. [3, 70, 44, 11, 71, 45],
  768. [17, 47, 21, 4, 48, 22],
  769. [9, 39, 13, 16, 40, 14],
  770. [3, 135, 107, 5, 136, 108],
  771. [3, 67, 41, 13, 68, 42],
  772. [15, 54, 24, 5, 55, 25],
  773. [15, 43, 15, 10, 44, 16],
  774. [4, 144, 116, 4, 145, 117],
  775. [17, 68, 42],
  776. [17, 50, 22, 6, 51, 23],
  777. [19, 46, 16, 6, 47, 17],
  778. [2, 139, 111, 7, 140, 112],
  779. [17, 74, 46],
  780. [7, 54, 24, 16, 55, 25],
  781. [34, 37, 13],
  782. [4, 151, 121, 5, 152, 122],
  783. [4, 75, 47, 14, 76, 48],
  784. [11, 54, 24, 14, 55, 25],
  785. [16, 45, 15, 14, 46, 16],
  786. [6, 147, 117, 4, 148, 118],
  787. [6, 73, 45, 14, 74, 46],
  788. [11, 54, 24, 16, 55, 25],
  789. [30, 46, 16, 2, 47, 17],
  790. [8, 132, 106, 4, 133, 107],
  791. [8, 75, 47, 13, 76, 48],
  792. [7, 54, 24, 22, 55, 25],
  793. [22, 45, 15, 13, 46, 16],
  794. [10, 142, 114, 2, 143, 115],
  795. [19, 74, 46, 4, 75, 47],
  796. [28, 50, 22, 6, 51, 23],
  797. [33, 46, 16, 4, 47, 17],
  798. [8, 152, 122, 4, 153, 123],
  799. [22, 73, 45, 3, 74, 46],
  800. [8, 53, 23, 26, 54, 24],
  801. [12, 45, 15, 28, 46, 16],
  802. [3, 147, 117, 10, 148, 118],
  803. [3, 73, 45, 23, 74, 46],
  804. [4, 54, 24, 31, 55, 25],
  805. [11, 45, 15, 31, 46, 16],
  806. [7, 146, 116, 7, 147, 117],
  807. [21, 73, 45, 7, 74, 46],
  808. [1, 53, 23, 37, 54, 24],
  809. [19, 45, 15, 26, 46, 16],
  810. [5, 145, 115, 10, 146, 116],
  811. [19, 75, 47, 10, 76, 48],
  812. [15, 54, 24, 25, 55, 25],
  813. [23, 45, 15, 25, 46, 16],
  814. [13, 145, 115, 3, 146, 116],
  815. [2, 74, 46, 29, 75, 47],
  816. [42, 54, 24, 1, 55, 25],
  817. [23, 45, 15, 28, 46, 16],
  818. [17, 145, 115],
  819. [10, 74, 46, 23, 75, 47],
  820. [10, 54, 24, 35, 55, 25],
  821. [19, 45, 15, 35, 46, 16],
  822. [17, 145, 115, 1, 146, 116],
  823. [14, 74, 46, 21, 75, 47],
  824. [29, 54, 24, 19, 55, 25],
  825. [11, 45, 15, 46, 46, 16],
  826. [13, 145, 115, 6, 146, 116],
  827. [14, 74, 46, 23, 75, 47],
  828. [44, 54, 24, 7, 55, 25],
  829. [59, 46, 16, 1, 47, 17],
  830. [12, 151, 121, 7, 152, 122],
  831. [12, 75, 47, 26, 76, 48],
  832. [39, 54, 24, 14, 55, 25],
  833. [22, 45, 15, 41, 46, 16],
  834. [6, 151, 121, 14, 152, 122],
  835. [6, 75, 47, 34, 76, 48],
  836. [46, 54, 24, 10, 55, 25],
  837. [2, 45, 15, 64, 46, 16],
  838. [17, 152, 122, 4, 153, 123],
  839. [29, 74, 46, 14, 75, 47],
  840. [49, 54, 24, 10, 55, 25],
  841. [24, 45, 15, 46, 46, 16],
  842. [4, 152, 122, 18, 153, 123],
  843. [13, 74, 46, 32, 75, 47],
  844. [48, 54, 24, 14, 55, 25],
  845. [42, 45, 15, 32, 46, 16],
  846. [20, 147, 117, 4, 148, 118],
  847. [40, 75, 47, 7, 76, 48],
  848. [43, 54, 24, 22, 55, 25],
  849. [10, 45, 15, 67, 46, 16],
  850. [19, 148, 118, 6, 149, 119],
  851. [18, 75, 47, 31, 76, 48],
  852. [34, 54, 24, 34, 55, 25],
  853. [20, 45, 15, 61, 46, 16],
  854. ]),
  855. (QRRSBlock.getRSBlocks = function (t, e) {
  856. var r = QRRSBlock.getRsBlockTable(t, e);
  857. if (void 0 == r)
  858. throw new Error(
  859. "bad rs block @ typeNumber:" + t + "/errorCorrectLevel:" + e
  860. );
  861. for (var o = r.length / 3, n = new Array(), i = 0; i < o; i++)
  862. for (
  863. var a = r[3 * i + 0], s = r[3 * i + 1], u = r[3 * i + 2], l = 0;
  864. l < a;
  865. l++
  866. )
  867. n.push(new QRRSBlock(s, u));
  868. return n;
  869. }),
  870. (QRRSBlock.getRsBlockTable = function (t, e) {
  871. switch (e) {
  872. case QRErrorCorrectLevel.L:
  873. return QRRSBlock.RS_BLOCK_TABLE[4 * (t - 1) + 0];
  874. case QRErrorCorrectLevel.M:
  875. return QRRSBlock.RS_BLOCK_TABLE[4 * (t - 1) + 1];
  876. case QRErrorCorrectLevel.Q:
  877. return QRRSBlock.RS_BLOCK_TABLE[4 * (t - 1) + 2];
  878. case QRErrorCorrectLevel.H:
  879. return QRRSBlock.RS_BLOCK_TABLE[4 * (t - 1) + 3];
  880. default:
  881. return;
  882. }
  883. }),
  884. (QRBitBuffer.prototype = {
  885. get: function (t) {
  886. var e = Math.floor(t / 8);
  887. return 1 == ((this.buffer[e] >>> (7 - (t % 8))) & 1);
  888. },
  889. put: function (t, e) {
  890. for (var r = 0; r < e; r++) this.putBit(1 == ((t >>> (e - r - 1)) & 1));
  891. },
  892. getLengthInBits: function () {
  893. return this.length;
  894. },
  895. putBit: function (t) {
  896. var e = Math.floor(this.length / 8);
  897. this.buffer.length <= e && this.buffer.push(0),
  898. t && (this.buffer[e] |= 128 >>> this.length % 8),
  899. this.length++;
  900. },
  901. });
  902. export default drawQrcode;