(function webpackUniversalModuleDefinition(root, factory) { if(typeof exports === 'object' && typeof module === 'object') module.exports = factory(require("get-pixels"), require("ndarray"), require("ndarray-linear-interpolate")); else if(typeof define === 'function' && define.amd) define(["get-pixels", "ndarray", "ndarray-linear-interpolate"], factory); else if(typeof exports === 'object') exports["Quagga"] = factory(require("get-pixels"), require("ndarray"), require("ndarray-linear-interpolate")); else root["Quagga"] = factory(root["get-pixels"], root["ndarray"], root["ndarray-linear-interpolate"]); })(this, function(__WEBPACK_EXTERNAL_MODULE_207__, __WEBPACK_EXTERNAL_MODULE_208__, __WEBPACK_EXTERNAL_MODULE_209__) { return /******/ (function(modules) { // webpackBootstrap /******/ // The module cache /******/ var installedModules = {}; /******/ /******/ // The require function /******/ function __webpack_require__(moduleId) { /******/ /******/ // Check if module is in cache /******/ if(installedModules[moduleId]) /******/ return installedModules[moduleId].exports; /******/ /******/ // Create a new module (and put it into the cache) /******/ var module = installedModules[moduleId] = { /******/ i: moduleId, /******/ l: false, /******/ exports: {} /******/ }; /******/ /******/ // Execute the module function /******/ modules[moduleId].call(module.exports, module, module.exports, __webpack_require__); /******/ /******/ // Flag the module as loaded /******/ module.l = true; /******/ /******/ // Return the exports of the module /******/ return module.exports; /******/ } /******/ /******/ /******/ // expose the modules object (__webpack_modules__) /******/ __webpack_require__.m = modules; /******/ /******/ // expose the module cache /******/ __webpack_require__.c = installedModules; /******/ /******/ // identity function for calling harmony imports with the correct context /******/ __webpack_require__.i = function(value) { return value; }; /******/ /******/ // define getter function for harmony exports /******/ __webpack_require__.d = function(exports, name, getter) { /******/ if(!__webpack_require__.o(exports, name)) { /******/ Object.defineProperty(exports, name, { /******/ configurable: false, /******/ enumerable: true, /******/ get: getter /******/ }); /******/ } /******/ }; /******/ /******/ // getDefaultExport function for compatibility with non-harmony modules /******/ __webpack_require__.n = function(module) { /******/ var getter = module && module.__esModule ? /******/ function getDefault() { return module['default']; } : /******/ function getModuleExports() { return module; }; /******/ __webpack_require__.d(getter, 'a', getter); /******/ return getter; /******/ }; /******/ /******/ // Object.prototype.hasOwnProperty.call /******/ __webpack_require__.o = function(object, property) { return Object.prototype.hasOwnProperty.call(object, property); }; /******/ /******/ // __webpack_public_path__ /******/ __webpack_require__.p = "/"; /******/ /******/ // Load entry module and return exports /******/ return __webpack_require__(__webpack_require__.s = 210); /******/ }) /************************************************************************/ /******/ ([ /* 0 */ /***/ (function(module, exports) { /** * Checks if `value` is classified as an `Array` object. * * @static * @memberOf _ * @since 0.1.0 * @category Lang * @param {*} value The value to check. * @returns {boolean} Returns `true` if `value` is an array, else `false`. * @example * * _.isArray([1, 2, 3]); * // => true * * _.isArray(document.body.children); * // => false * * _.isArray('abc'); * // => false * * _.isArray(_.noop); * // => false */ var isArray = Array.isArray; module.exports = isArray; /***/ }), /* 1 */ /***/ (function(module, exports, __webpack_require__) { var freeGlobal = __webpack_require__(59); /** Detect free variable `self`. */ var freeSelf = typeof self == 'object' && self && self.Object === Object && self; /** Used as a reference to the global object. */ var root = freeGlobal || freeSelf || Function('return this')(); module.exports = root; /***/ }), /* 2 */ /***/ (function(module, exports) { /** * Checks if `value` is the * [language type](http://www.ecma-international.org/ecma-262/7.0/#sec-ecmascript-language-types) * of `Object`. (e.g. arrays, functions, objects, regexes, `new Number(0)`, and `new String('')`) * * @static * @memberOf _ * @since 0.1.0 * @category Lang * @param {*} value The value to check. * @returns {boolean} Returns `true` if `value` is an object, else `false`. * @example * * _.isObject({}); * // => true * * _.isObject([1, 2, 3]); * // => true * * _.isObject(_.noop); * // => true * * _.isObject(null); * // => false */ function isObject(value) { var type = typeof value; return value != null && (type == 'object' || type == 'function'); } module.exports = isObject; /***/ }), /* 3 */ /***/ (function(module, exports, __webpack_require__) { var baseIsNative = __webpack_require__(122), getValue = __webpack_require__(155); /** * Gets the native function at `key` of `object`. * * @private * @param {Object} object The object to query. * @param {string} key The key of the method to get. * @returns {*} Returns the function if it's native, else `undefined`. */ function getNative(object, key) { var value = getValue(object, key); return baseIsNative(value) ? value : undefined; } module.exports = getNative; /***/ }), /* 4 */ /***/ (function(module, exports) { /** * Checks if `value` is object-like. A value is object-like if it's not `null` * and has a `typeof` result of "object". * * @static * @memberOf _ * @since 4.0.0 * @category Lang * @param {*} value The value to check. * @returns {boolean} Returns `true` if `value` is object-like, else `false`. * @example * * _.isObjectLike({}); * // => true * * _.isObjectLike([1, 2, 3]); * // => true * * _.isObjectLike(_.noop); * // => false * * _.isObjectLike(null); * // => false */ function isObjectLike(value) { return value != null && typeof value == 'object'; } module.exports = isObjectLike; /***/ }), /* 5 */ /***/ (function(module, exports, __webpack_require__) { "use strict"; exports.__esModule = true; var _merge2 = __webpack_require__(15); var _merge3 = _interopRequireDefault(_merge2); var _extends = Object.assign || function (target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i]; for (var key in source) { if (Object.prototype.hasOwnProperty.call(source, key)) { target[key] = source[key]; } } } return target; }; var _barcode_reader = __webpack_require__(8); var _barcode_reader2 = _interopRequireDefault(_barcode_reader); function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; } function EANReader(opts, supplements) { opts = (0, _merge3.default)(getDefaulConfig(), opts); _barcode_reader2.default.call(this, opts, supplements); } function getDefaulConfig() { var config = {}; Object.keys(EANReader.CONFIG_KEYS).forEach(function (key) { config[key] = EANReader.CONFIG_KEYS[key].default; }); return config; } var properties = { CODE_L_START: { value: 0 }, CODE_G_START: { value: 10 }, START_PATTERN: { value: [1, 1, 1] }, STOP_PATTERN: { value: [1, 1, 1] }, MIDDLE_PATTERN: { value: [1, 1, 1, 1, 1] }, EXTENSION_START_PATTERN: { value: [1, 1, 2] }, CODE_PATTERN: { value: [[3, 2, 1, 1], [2, 2, 2, 1], [2, 1, 2, 2], [1, 4, 1, 1], [1, 1, 3, 2], [1, 2, 3, 1], [1, 1, 1, 4], [1, 3, 1, 2], [1, 2, 1, 3], [3, 1, 1, 2], [1, 1, 2, 3], [1, 2, 2, 2], [2, 2, 1, 2], [1, 1, 4, 1], [2, 3, 1, 1], [1, 3, 2, 1], [4, 1, 1, 1], [2, 1, 3, 1], [3, 1, 2, 1], [2, 1, 1, 3]] }, CODE_FREQUENCY: { value: [0, 11, 13, 14, 19, 25, 28, 21, 22, 26] }, SINGLE_CODE_ERROR: { value: 0.70 }, AVG_CODE_ERROR: { value: 0.48 }, FORMAT: { value: "ean_13", writeable: false } }; EANReader.prototype = Object.create(_barcode_reader2.default.prototype, properties); EANReader.prototype.constructor = EANReader; EANReader.prototype._decodeCode = function (start, coderange) { var counter = [0, 0, 0, 0], i, self = this, offset = start, isWhite = !self._row[offset], counterPos = 0, bestMatch = { error: Number.MAX_VALUE, code: -1, start: start, end: start }, code, error; if (!coderange) { coderange = self.CODE_PATTERN.length; } for (i = offset; i < self._row.length; i++) { if (self._row[i] ^ isWhite) { counter[counterPos]++; } else { if (counterPos === counter.length - 1) { for (code = 0; code < coderange; code++) { error = self._matchPattern(counter, self.CODE_PATTERN[code]); if (error < bestMatch.error) { bestMatch.code = code; bestMatch.error = error; } } bestMatch.end = i; if (bestMatch.error > self.AVG_CODE_ERROR) { return null; } return bestMatch; } else { counterPos++; } counter[counterPos] = 1; isWhite = !isWhite; } } return null; }; EANReader.prototype._findPattern = function (pattern, offset, isWhite, tryHarder, epsilon) { var counter = [], self = this, i, counterPos = 0, bestMatch = { error: Number.MAX_VALUE, code: -1, start: 0, end: 0 }, error, j, sum; if (!offset) { offset = self._nextSet(self._row); } if (isWhite === undefined) { isWhite = false; } if (tryHarder === undefined) { tryHarder = true; } if (epsilon === undefined) { epsilon = self.AVG_CODE_ERROR; } for (i = 0; i < pattern.length; i++) { counter[i] = 0; } for (i = offset; i < self._row.length; i++) { if (self._row[i] ^ isWhite) { counter[counterPos]++; } else { if (counterPos === counter.length - 1) { sum = 0; for (j = 0; j < counter.length; j++) { sum += counter[j]; } error = self._matchPattern(counter, pattern); if (error < epsilon) { bestMatch.error = error; bestMatch.start = i - sum; bestMatch.end = i; return bestMatch; } if (tryHarder) { for (j = 0; j < counter.length - 2; j++) { counter[j] = counter[j + 2]; } counter[counter.length - 2] = 0; counter[counter.length - 1] = 0; counterPos--; } else { return null; } } else { counterPos++; } counter[counterPos] = 1; isWhite = !isWhite; } } return null; }; EANReader.prototype._findStart = function () { var self = this, leadingWhitespaceStart, offset = self._nextSet(self._row), startInfo; while (!startInfo) { startInfo = self._findPattern(self.START_PATTERN, offset); if (!startInfo) { return null; } leadingWhitespaceStart = startInfo.start - (startInfo.end - startInfo.start); if (leadingWhitespaceStart >= 0) { if (self._matchRange(leadingWhitespaceStart, startInfo.start, 0)) { return startInfo; } } offset = startInfo.end; startInfo = null; } }; EANReader.prototype._verifyTrailingWhitespace = function (endInfo) { var self = this, trailingWhitespaceEnd; trailingWhitespaceEnd = endInfo.end + (endInfo.end - endInfo.start); if (trailingWhitespaceEnd < self._row.length) { if (self._matchRange(endInfo.end, trailingWhitespaceEnd, 0)) { return endInfo; } } return null; }; EANReader.prototype._findEnd = function (offset, isWhite) { var self = this, endInfo = self._findPattern(self.STOP_PATTERN, offset, isWhite, false); return endInfo !== null ? self._verifyTrailingWhitespace(endInfo) : null; }; EANReader.prototype._calculateFirstDigit = function (codeFrequency) { var i, self = this; for (i = 0; i < self.CODE_FREQUENCY.length; i++) { if (codeFrequency === self.CODE_FREQUENCY[i]) { return i; } } return null; }; EANReader.prototype._decodePayload = function (code, result, decodedCodes) { var i, self = this, codeFrequency = 0x0, firstDigit; for (i = 0; i < 6; i++) { code = self._decodeCode(code.end); if (!code) { return null; } if (code.code >= self.CODE_G_START) { code.code = code.code - self.CODE_G_START; codeFrequency |= 1 << 5 - i; } else { codeFrequency |= 0 << 5 - i; } result.push(code.code); decodedCodes.push(code); } firstDigit = self._calculateFirstDigit(codeFrequency); if (firstDigit === null) { return null; } result.unshift(firstDigit); code = self._findPattern(self.MIDDLE_PATTERN, code.end, true, false); if (code === null) { return null; } decodedCodes.push(code); for (i = 0; i < 6; i++) { code = self._decodeCode(code.end, self.CODE_G_START); if (!code) { return null; } decodedCodes.push(code); result.push(code.code); } return code; }; EANReader.prototype._decode = function () { var startInfo, self = this, code, result = [], decodedCodes = [], resultInfo = {}; startInfo = self._findStart(); if (!startInfo) { return null; } code = { code: startInfo.code, start: startInfo.start, end: startInfo.end }; decodedCodes.push(code); code = self._decodePayload(code, result, decodedCodes); if (!code) { return null; } code = self._findEnd(code.end, false); if (!code) { return null; } decodedCodes.push(code); // Checksum if (!self._checksum(result)) { return null; } if (this.supplements.length > 0) { var ext = this._decodeExtensions(code.end); if (!ext) { return null; } var lastCode = ext.decodedCodes[ext.decodedCodes.length - 1], endInfo = { start: lastCode.start + ((lastCode.end - lastCode.start) / 2 | 0), end: lastCode.end }; if (!self._verifyTrailingWhitespace(endInfo)) { return null; } resultInfo = { supplement: ext, code: result.join("") + ext.code }; } return _extends({ code: result.join(""), start: startInfo.start, end: code.end, codeset: "", startInfo: startInfo, decodedCodes: decodedCodes }, resultInfo); }; EANReader.prototype._decodeExtensions = function (offset) { var i, start = this._nextSet(this._row, offset), startInfo = this._findPattern(this.EXTENSION_START_PATTERN, start, false, false), result; if (startInfo === null) { return null; } for (i = 0; i < this.supplements.length; i++) { result = this.supplements[i].decode(this._row, startInfo.end); if (result !== null) { return { code: result.code, start: start, startInfo: startInfo, end: result.end, codeset: "", decodedCodes: result.decodedCodes }; } } return null; }; EANReader.prototype._checksum = function (result) { var sum = 0, i; for (i = result.length - 2; i >= 0; i -= 2) { sum += result[i]; } sum *= 3; for (i = result.length - 1; i >= 0; i -= 2) { sum += result[i]; } return sum % 10 === 0; }; EANReader.CONFIG_KEYS = { supplements: { 'type': 'arrayOf(string)', 'default': [], 'description': 'Allowed extensions to be decoded (2 and/or 5)' } }; exports.default = EANReader; /***/ }), /* 6 */ /***/ (function(module, exports, __webpack_require__) { var Symbol = __webpack_require__(10), getRawTag = __webpack_require__(153), objectToString = __webpack_require__(182); /** `Object#toString` result references. */ var nullTag = '[object Null]', undefinedTag = '[object Undefined]'; /** Built-in value references. */ var symToStringTag = Symbol ? Symbol.toStringTag : undefined; /** * The base implementation of `getTag` without fallbacks for buggy environments. * * @private * @param {*} value The value to query. * @returns {string} Returns the `toStringTag`. */ function baseGetTag(value) { if (value == null) { return value === undefined ? undefinedTag : nullTag; } return (symToStringTag && symToStringTag in Object(value)) ? getRawTag(value) : objectToString(value); } module.exports = baseGetTag; /***/ }), /* 7 */ /***/ (function(module, exports, __webpack_require__) { "use strict"; exports.__esModule = true; exports.default = { drawRect: function drawRect(pos, size, ctx, style) { ctx.strokeStyle = style.color; ctx.fillStyle = style.color; ctx.lineWidth = 1; ctx.beginPath(); ctx.strokeRect(pos.x, pos.y, size.x, size.y); }, drawPath: function drawPath(path, def, ctx, style) { ctx.strokeStyle = style.color; ctx.fillStyle = style.color; ctx.lineWidth = style.lineWidth; ctx.beginPath(); ctx.moveTo(path[0][def.x], path[0][def.y]); for (var j = 1; j < path.length; j++) { ctx.lineTo(path[j][def.x], path[j][def.y]); } ctx.closePath(); ctx.stroke(); }, drawImage: function drawImage(imageData, size, ctx) { var canvasData = ctx.getImageData(0, 0, size.x, size.y), data = canvasData.data, imageDataPos = imageData.length, canvasDataPos = data.length, value; if (canvasDataPos / imageDataPos !== 4) { return false; } while (imageDataPos--) { value = imageData[imageDataPos]; data[--canvasDataPos] = 255; data[--canvasDataPos] = value; data[--canvasDataPos] = value; data[--canvasDataPos] = value; } ctx.putImageData(canvasData, 0, 0); return true; } }; /***/ }), /* 8 */ /***/ (function(module, exports, __webpack_require__) { "use strict"; exports.__esModule = true; function BarcodeReader(config, supplements) { this._row = []; this.config = config || {}; this.supplements = supplements; return this; } BarcodeReader.prototype._nextUnset = function (line, start) { var i; if (start === undefined) { start = 0; } for (i = start; i < line.length; i++) { if (!line[i]) { return i; } } return line.length; }; BarcodeReader.prototype._matchPattern = function (counter, code, maxSingleError) { var i, error = 0, singleError = 0, sum = 0, modulo = 0, barWidth, count, scaled; maxSingleError = maxSingleError || this.SINGLE_CODE_ERROR || 1; for (i = 0; i < counter.length; i++) { sum += counter[i]; modulo += code[i]; } if (sum < modulo) { return Number.MAX_VALUE; } barWidth = sum / modulo; maxSingleError *= barWidth; for (i = 0; i < counter.length; i++) { count = counter[i]; scaled = code[i] * barWidth; singleError = Math.abs(count - scaled) / scaled; if (singleError > maxSingleError) { return Number.MAX_VALUE; } error += singleError; } return error / modulo; }; BarcodeReader.prototype._nextSet = function (line, offset) { var i; offset = offset || 0; for (i = offset; i < line.length; i++) { if (line[i]) { return i; } } return line.length; }; BarcodeReader.prototype._correctBars = function (counter, correction, indices) { var length = indices.length, tmp = 0; while (length--) { tmp = counter[indices[length]] * (1 - (1 - correction) / 2); if (tmp > 1) { counter[indices[length]] = tmp; } } }; BarcodeReader.prototype._matchTrace = function (cmpCounter, epsilon) { var counter = [], i, self = this, offset = self._nextSet(self._row), isWhite = !self._row[offset], counterPos = 0, bestMatch = { error: Number.MAX_VALUE, code: -1, start: 0 }, error; if (cmpCounter) { for (i = 0; i < cmpCounter.length; i++) { counter.push(0); } for (i = offset; i < self._row.length; i++) { if (self._row[i] ^ isWhite) { counter[counterPos]++; } else { if (counterPos === counter.length - 1) { error = self._matchPattern(counter, cmpCounter); if (error < epsilon) { bestMatch.start = i - offset; bestMatch.end = i; bestMatch.counter = counter; return bestMatch; } else { return null; } } else { counterPos++; } counter[counterPos] = 1; isWhite = !isWhite; } } } else { counter.push(0); for (i = offset; i < self._row.length; i++) { if (self._row[i] ^ isWhite) { counter[counterPos]++; } else { counterPos++; counter.push(0); counter[counterPos] = 1; isWhite = !isWhite; } } } // if cmpCounter was not given bestMatch.start = offset; bestMatch.end = self._row.length - 1; bestMatch.counter = counter; return bestMatch; }; BarcodeReader.prototype.decodePattern = function (pattern) { var self = this, result; self._row = pattern; result = self._decode(); if (result === null) { self._row.reverse(); result = self._decode(); if (result) { result.direction = BarcodeReader.DIRECTION.REVERSE; result.start = self._row.length - result.start; result.end = self._row.length - result.end; } } else { result.direction = BarcodeReader.DIRECTION.FORWARD; } if (result) { result.format = self.FORMAT; } return result; }; BarcodeReader.prototype._matchRange = function (start, end, value) { var i; start = start < 0 ? 0 : start; for (i = start; i < end; i++) { if (this._row[i] !== value) { return false; } } return true; }; BarcodeReader.prototype._fillCounters = function (offset, end, isWhite) { var self = this, counterPos = 0, i, counters = []; isWhite = typeof isWhite !== 'undefined' ? isWhite : true; offset = typeof offset !== 'undefined' ? offset : self._nextUnset(self._row); end = end || self._row.length; counters[counterPos] = 0; for (i = offset; i < end; i++) { if (self._row[i] ^ isWhite) { counters[counterPos]++; } else { counterPos++; counters[counterPos] = 1; isWhite = !isWhite; } } return counters; }; Object.defineProperty(BarcodeReader.prototype, "FORMAT", { value: 'unknown', writeable: false }); BarcodeReader.DIRECTION = { FORWARD: 1, REVERSE: -1 }; BarcodeReader.Exception = { StartNotFoundException: "Start-Info was not found!", CodeNotFoundException: "Code could not be found!", PatternNotFoundException: "Pattern could not be found!" }; BarcodeReader.CONFIG_KEYS = {}; exports.default = BarcodeReader; /***/ }), /* 9 */ /***/ (function(module, exports) { module.exports = clone /** * Creates a new vec2 initialized with values from an existing vector * * @param {vec2} a vector to clone * @returns {vec2} a new 2D vector */ function clone(a) { var out = new Float32Array(2) out[0] = a[0] out[1] = a[1] return out } /***/ }), /* 10 */ /***/ (function(module, exports, __webpack_require__) { var root = __webpack_require__(1); /** Built-in value references. */ var Symbol = root.Symbol; module.exports = Symbol; /***/ }), /* 11 */ /***/ (function(module, exports, __webpack_require__) { var isSymbol = __webpack_require__(39); /** Used as references for various `Number` constants. */ var INFINITY = 1 / 0; /** * Converts `value` to a string key if it's not a string or symbol. * * @private * @param {*} value The value to inspect. * @returns {string|symbol} Returns the key. */ function toKey(value) { if (typeof value == 'string' || isSymbol(value)) { return value; } var result = (value + ''); return (result == '0' && (1 / value) == -INFINITY) ? '-0' : result; } module.exports = toKey; /***/ }), /* 12 */ /***/ (function(module, exports) { /** * Performs a * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero) * comparison between two values to determine if they are equivalent. * * @static * @memberOf _ * @since 4.0.0 * @category Lang * @param {*} value The value to compare. * @param {*} other The other value to compare. * @returns {boolean} Returns `true` if the values are equivalent, else `false`. * @example * * var object = { 'a': 1 }; * var other = { 'a': 1 }; * * _.eq(object, object); * // => true * * _.eq(object, other); * // => false * * _.eq('a', 'a'); * // => true * * _.eq('a', Object('a')); * // => false * * _.eq(NaN, NaN); * // => true */ function eq(value, other) { return value === other || (value !== value && other !== other); } module.exports = eq; /***/ }), /* 13 */ /***/ (function(module, exports, __webpack_require__) { var baseIsArguments = __webpack_require__(119), isObjectLike = __webpack_require__(4); /** Used for built-in method references. */ var objectProto = Object.prototype; /** Used to check objects for own properties. */ var hasOwnProperty = objectProto.hasOwnProperty; /** Built-in value references. */ var propertyIsEnumerable = objectProto.propertyIsEnumerable; /** * Checks if `value` is likely an `arguments` object. * * @static * @memberOf _ * @since 0.1.0 * @category Lang * @param {*} value The value to check. * @returns {boolean} Returns `true` if `value` is an `arguments` object, * else `false`. * @example * * _.isArguments(function() { return arguments; }()); * // => true * * _.isArguments([1, 2, 3]); * // => false */ var isArguments = baseIsArguments(function() { return arguments; }()) ? baseIsArguments : function(value) { return isObjectLike(value) && hasOwnProperty.call(value, 'callee') && !propertyIsEnumerable.call(value, 'callee'); }; module.exports = isArguments; /***/ }), /* 14 */ /***/ (function(module, exports, __webpack_require__) { var isFunction = __webpack_require__(37), isLength = __webpack_require__(38); /** * Checks if `value` is array-like. A value is considered array-like if it's * not a function and has a `value.length` that's an integer greater than or * equal to `0` and less than or equal to `Number.MAX_SAFE_INTEGER`. * * @static * @memberOf _ * @since 4.0.0 * @category Lang * @param {*} value The value to check. * @returns {boolean} Returns `true` if `value` is array-like, else `false`. * @example * * _.isArrayLike([1, 2, 3]); * // => true * * _.isArrayLike(document.body.children); * // => true * * _.isArrayLike('abc'); * // => true * * _.isArrayLike(_.noop); * // => false */ function isArrayLike(value) { return value != null && isLength(value.length) && !isFunction(value); } module.exports = isArrayLike; /***/ }), /* 15 */ /***/ (function(module, exports, __webpack_require__) { var baseMerge = __webpack_require__(127), createAssigner = __webpack_require__(145); /** * This method is like `_.assign` except that it recursively merges own and * inherited enumerable string keyed properties of source objects into the * destination object. Source properties that resolve to `undefined` are * skipped if a destination value exists. Array and plain object properties * are merged recursively. Other objects and value types are overridden by * assignment. Source objects are applied from left to right. Subsequent * sources overwrite property assignments of previous sources. * * **Note:** This method mutates `object`. * * @static * @memberOf _ * @since 0.5.0 * @category Object * @param {Object} object The destination object. * @param {...Object} [sources] The source objects. * @returns {Object} Returns `object`. * @example * * var object = { * 'a': [{ 'b': 2 }, { 'd': 4 }] * }; * * var other = { * 'a': [{ 'c': 3 }, { 'e': 5 }] * }; * * _.merge(object, other); * // => { 'a': [{ 'b': 2, 'c': 3 }, { 'd': 4, 'e': 5 }] } */ var merge = createAssigner(function(object, source, srcIndex) { baseMerge(object, source, srcIndex); }); module.exports = merge; /***/ }), /* 16 */ /***/ (function(module, exports, __webpack_require__) { "use strict"; exports.__esModule = true; exports.default = { init: function init(arr, val) { var l = arr.length; while (l--) { arr[l] = val; } }, /** * Shuffles the content of an array * @return {Array} the array itself shuffled */ shuffle: function shuffle(arr) { var i = arr.length - 1, j, x; for (i; i >= 0; i--) { j = Math.floor(Math.random() * i); x = arr[i]; arr[i] = arr[j]; arr[j] = x; } return arr; }, toPointList: function toPointList(arr) { var i, j, row = [], rows = []; for (i = 0; i < arr.length; i++) { row = []; for (j = 0; j < arr[i].length; j++) { row[j] = arr[i][j]; } rows[i] = "[" + row.join(",") + "]"; } return "[" + rows.join(",\r\n") + "]"; }, /** * returns the elements which's score is bigger than the threshold * @return {Array} the reduced array */ threshold: function threshold(arr, _threshold, scoreFunc) { var i, queue = []; for (i = 0; i < arr.length; i++) { if (scoreFunc.apply(arr, [arr[i]]) >= _threshold) { queue.push(arr[i]); } } return queue; }, maxIndex: function maxIndex(arr) { var i, max = 0; for (i = 0; i < arr.length; i++) { if (arr[i] > arr[max]) { max = i; } } return max; }, max: function max(arr) { var i, max = 0; for (i = 0; i < arr.length; i++) { if (arr[i] > max) { max = arr[i]; } } return max; }, sum: function sum(arr) { var length = arr.length, sum = 0; while (length--) { sum += arr[length]; } return sum; } }; /***/ }), /* 17 */ /***/ (function(module, exports, __webpack_require__) { var listCacheClear = __webpack_require__(167), listCacheDelete = __webpack_require__(168), listCacheGet = __webpack_require__(169), listCacheHas = __webpack_require__(170), listCacheSet = __webpack_require__(171); /** * Creates an list cache object. * * @private * @constructor * @param {Array} [entries] The key-value pairs to cache. */ function ListCache(entries) { var index = -1, length = entries == null ? 0 : entries.length; this.clear(); while (++index < length) { var entry = entries[index]; this.set(entry[0], entry[1]); } } // Add methods to `ListCache`. ListCache.prototype.clear = listCacheClear; ListCache.prototype['delete'] = listCacheDelete; ListCache.prototype.get = listCacheGet; ListCache.prototype.has = listCacheHas; ListCache.prototype.set = listCacheSet; module.exports = ListCache; /***/ }), /* 18 */ /***/ (function(module, exports, __webpack_require__) { var eq = __webpack_require__(12); /** * Gets the index at which the `key` is found in `array` of key-value pairs. * * @private * @param {Array} array The array to inspect. * @param {*} key The key to search for. * @returns {number} Returns the index of the matched value, else `-1`. */ function assocIndexOf(array, key) { var length = array.length; while (length--) { if (eq(array[length][0], key)) { return length; } } return -1; } module.exports = assocIndexOf; /***/ }), /* 19 */ /***/ (function(module, exports, __webpack_require__) { var isArray = __webpack_require__(0), isKey = __webpack_require__(35), stringToPath = __webpack_require__(192), toString = __webpack_require__(206); /** * Casts `value` to a path array if it's not one. * * @private * @param {*} value The value to inspect. * @param {Object} [object] The object to query keys on. * @returns {Array} Returns the cast property path array. */ function castPath(value, object) { if (isArray(value)) { return value; } return isKey(value, object) ? [value] : stringToPath(toString(value)); } module.exports = castPath; /***/ }), /* 20 */ /***/ (function(module, exports, __webpack_require__) { var isKeyable = __webpack_require__(165); /** * Gets the data for `map`. * * @private * @param {Object} map The map to query. * @param {string} key The reference key. * @returns {*} Returns the map data. */ function getMapData(map, key) { var data = map.__data__; return isKeyable(key) ? data[typeof key == 'string' ? 'string' : 'hash'] : data.map; } module.exports = getMapData; /***/ }), /* 21 */ /***/ (function(module, exports) { /** Used as references for various `Number` constants. */ var MAX_SAFE_INTEGER = 9007199254740991; /** Used to detect unsigned integer values. */ var reIsUint = /^(?:0|[1-9]\d*)$/; /** * Checks if `value` is a valid array-like index. * * @private * @param {*} value The value to check. * @param {number} [length=MAX_SAFE_INTEGER] The upper bounds of a valid index. * @returns {boolean} Returns `true` if `value` is a valid index, else `false`. */ function isIndex(value, length) { length = length == null ? MAX_SAFE_INTEGER : length; return !!length && (typeof value == 'number' || reIsUint.test(value)) && (value > -1 && value % 1 == 0 && value < length); } module.exports = isIndex; /***/ }), /* 22 */ /***/ (function(module, exports) { /** Used for built-in method references. */ var objectProto = Object.prototype; /** * Checks if `value` is likely a prototype object. * * @private * @param {*} value The value to check. * @returns {boolean} Returns `true` if `value` is a prototype, else `false`. */ function isPrototype(value) { var Ctor = value && value.constructor, proto = (typeof Ctor == 'function' && Ctor.prototype) || objectProto; return value === proto; } module.exports = isPrototype; /***/ }), /* 23 */ /***/ (function(module, exports, __webpack_require__) { var getNative = __webpack_require__(3); /* Built-in method references that are verified to be native. */ var nativeCreate = getNative(Object, 'create'); module.exports = nativeCreate; /***/ }), /* 24 */ /***/ (function(module, exports, __webpack_require__) { /* WEBPACK VAR INJECTION */(function(module) {var root = __webpack_require__(1), stubFalse = __webpack_require__(204); /** Detect free variable `exports`. */ var freeExports = typeof exports == 'object' && exports && !exports.nodeType && exports; /** Detect free variable `module`. */ var freeModule = freeExports && typeof module == 'object' && module && !module.nodeType && module; /** Detect the popular CommonJS extension `module.exports`. */ var moduleExports = freeModule && freeModule.exports === freeExports; /** Built-in value references. */ var Buffer = moduleExports ? root.Buffer : undefined; /* Built-in method references for those with the same name as other `lodash` methods. */ var nativeIsBuffer = Buffer ? Buffer.isBuffer : undefined; /** * Checks if `value` is a buffer. * * @static * @memberOf _ * @since 4.3.0 * @category Lang * @param {*} value The value to check. * @returns {boolean} Returns `true` if `value` is a buffer, else `false`. * @example * * _.isBuffer(new Buffer(2)); * // => true * * _.isBuffer(new Uint8Array(2)); * // => false */ var isBuffer = nativeIsBuffer || stubFalse; module.exports = isBuffer; /* WEBPACK VAR INJECTION */}.call(exports, __webpack_require__(41)(module))) /***/ }), /* 25 */ /***/ (function(module, exports, __webpack_require__) { var baseIsTypedArray = __webpack_require__(123), baseUnary = __webpack_require__(137), nodeUtil = __webpack_require__(181); /* Node.js helper references. */ var nodeIsTypedArray = nodeUtil && nodeUtil.isTypedArray; /** * Checks if `value` is classified as a typed array. * * @static * @memberOf _ * @since 3.0.0 * @category Lang * @param {*} value The value to check. * @returns {boolean} Returns `true` if `value` is a typed array, else `false`. * @example * * _.isTypedArray(new Uint8Array); * // => true * * _.isTypedArray([]); * // => false */ var isTypedArray = nodeIsTypedArray ? baseUnary(nodeIsTypedArray) : baseIsTypedArray; module.exports = isTypedArray; /***/ }), /* 26 */ /***/ (function(module, exports, __webpack_require__) { "use strict"; exports.__esModule = true; exports._dimensionsConverters = exports.ERODE = exports.DILATE = exports.Tracer = undefined; exports.imageRef = imageRef; exports.computeIntegralImage2 = computeIntegralImage2; exports.computeIntegralImage = computeIntegralImage; exports.thresholdImage = thresholdImage; exports.computeHistogram = computeHistogram; exports.sharpenLine = sharpenLine; exports.determineOtsuThreshold = determineOtsuThreshold; exports.otsuThreshold = otsuThreshold; exports.computeBinaryImage = computeBinaryImage; exports.cluster = cluster; exports.dilate = dilate; exports.erode = erode; exports.subtract = subtract; exports.bitwiseOr = bitwiseOr; exports.countNonZero = countNonZero; exports.topGeneric = topGeneric; exports.grayArrayFromImage = grayArrayFromImage; exports.grayArrayFromContext = grayArrayFromContext; exports.grayAndHalfSampleFromCanvasData = grayAndHalfSampleFromCanvasData; exports.computeGray = computeGray; exports.loadImageArray = loadImageArray; exports.halfSample = halfSample; exports.hsv2rgb = hsv2rgb; exports._computeDivisors = _computeDivisors; exports.calculatePatchSize = calculatePatchSize; exports._parseCSSDimensionValues = _parseCSSDimensionValues; exports.computeImageArea = computeImageArea; var _cluster = __webpack_require__(76); var _cluster2 = _interopRequireDefault(_cluster); var _array_helper = __webpack_require__(16); var _array_helper2 = _interopRequireDefault(_array_helper); function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; } var vec2 = { clone: __webpack_require__(9) }; var vec3 = { clone: __webpack_require__(105) }; /** * @param x x-coordinate * @param y y-coordinate * @return ImageReference {x,y} Coordinate */ function imageRef(x, y) { var that = { x: x, y: y, toVec2: function toVec2() { return vec2.clone([this.x, this.y]); }, toVec3: function toVec3() { return vec3.clone([this.x, this.y, 1]); }, round: function round() { this.x = this.x > 0.0 ? Math.floor(this.x + 0.5) : Math.floor(this.x - 0.5); this.y = this.y > 0.0 ? Math.floor(this.y + 0.5) : Math.floor(this.y - 0.5); return this; } }; return that; }; /** * Computes an integral image of a given grayscale image. * @param imageDataContainer {ImageDataContainer} the image to be integrated */ function computeIntegralImage2(imageWrapper, integralWrapper) { var imageData = imageWrapper.data; var width = imageWrapper.size.x; var height = imageWrapper.size.y; var integralImageData = integralWrapper.data; var sum = 0, posA = 0, posB = 0, posC = 0, posD = 0, x, y; // sum up first column posB = width; sum = 0; for (y = 1; y < height; y++) { sum += imageData[posA]; integralImageData[posB] += sum; posA += width; posB += width; } posA = 0; posB = 1; sum = 0; for (x = 1; x < width; x++) { sum += imageData[posA]; integralImageData[posB] += sum; posA++; posB++; } for (y = 1; y < height; y++) { posA = y * width + 1; posB = (y - 1) * width + 1; posC = y * width; posD = (y - 1) * width; for (x = 1; x < width; x++) { integralImageData[posA] += imageData[posA] + integralImageData[posB] + integralImageData[posC] - integralImageData[posD]; posA++; posB++; posC++; posD++; } } }; function computeIntegralImage(imageWrapper, integralWrapper) { var imageData = imageWrapper.data; var width = imageWrapper.size.x; var height = imageWrapper.size.y; var integralImageData = integralWrapper.data; var sum = 0; // sum up first row for (var i = 0; i < width; i++) { sum += imageData[i]; integralImageData[i] = sum; } for (var v = 1; v < height; v++) { sum = 0; for (var u = 0; u < width; u++) { sum += imageData[v * width + u]; integralImageData[v * width + u] = sum + integralImageData[(v - 1) * width + u]; } } }; function thresholdImage(imageWrapper, threshold, targetWrapper) { if (!targetWrapper) { targetWrapper = imageWrapper; } var imageData = imageWrapper.data, length = imageData.length, targetData = targetWrapper.data; while (length--) { targetData[length] = imageData[length] < threshold ? 1 : 0; } }; function computeHistogram(imageWrapper, bitsPerPixel) { if (!bitsPerPixel) { bitsPerPixel = 8; } var imageData = imageWrapper.data, length = imageData.length, bitShift = 8 - bitsPerPixel, bucketCnt = 1 << bitsPerPixel, hist = new Int32Array(bucketCnt); while (length--) { hist[imageData[length] >> bitShift]++; } return hist; }; function sharpenLine(line) { var i, length = line.length, left = line[0], center = line[1], right; for (i = 1; i < length - 1; i++) { right = line[i + 1]; // -1 4 -1 kernel line[i - 1] = center * 2 - left - right & 255; left = center; center = right; } return line; }; function determineOtsuThreshold(imageWrapper, bitsPerPixel) { if (!bitsPerPixel) { bitsPerPixel = 8; } var hist, threshold, bitShift = 8 - bitsPerPixel; function px(init, end) { var sum = 0, i; for (i = init; i <= end; i++) { sum += hist[i]; } return sum; } function mx(init, end) { var i, sum = 0; for (i = init; i <= end; i++) { sum += i * hist[i]; } return sum; } function determineThreshold() { var vet = [0], p1, p2, p12, k, m1, m2, m12, max = (1 << bitsPerPixel) - 1; hist = computeHistogram(imageWrapper, bitsPerPixel); for (k = 1; k < max; k++) { p1 = px(0, k); p2 = px(k + 1, max); p12 = p1 * p2; if (p12 === 0) { p12 = 1; } m1 = mx(0, k) * p2; m2 = mx(k + 1, max) * p1; m12 = m1 - m2; vet[k] = m12 * m12 / p12; } return _array_helper2.default.maxIndex(vet); } threshold = determineThreshold(); return threshold << bitShift; }; function otsuThreshold(imageWrapper, targetWrapper) { var threshold = determineOtsuThreshold(imageWrapper); thresholdImage(imageWrapper, threshold, targetWrapper); return threshold; }; // local thresholding function computeBinaryImage(imageWrapper, integralWrapper, targetWrapper) { computeIntegralImage(imageWrapper, integralWrapper); if (!targetWrapper) { targetWrapper = imageWrapper; } var imageData = imageWrapper.data; var targetData = targetWrapper.data; var width = imageWrapper.size.x; var height = imageWrapper.size.y; var integralImageData = integralWrapper.data; var sum = 0, v, u, kernel = 3, A, B, C, D, avg, size = (kernel * 2 + 1) * (kernel * 2 + 1); // clear out top & bottom-border for (v = 0; v <= kernel; v++) { for (u = 0; u < width; u++) { targetData[v * width + u] = 0; targetData[(height - 1 - v) * width + u] = 0; } } // clear out left & right border for (v = kernel; v < height - kernel; v++) { for (u = 0; u <= kernel; u++) { targetData[v * width + u] = 0; targetData[v * width + (width - 1 - u)] = 0; } } for (v = kernel + 1; v < height - kernel - 1; v++) { for (u = kernel + 1; u < width - kernel; u++) { A = integralImageData[(v - kernel - 1) * width + (u - kernel - 1)]; B = integralImageData[(v - kernel - 1) * width + (u + kernel)]; C = integralImageData[(v + kernel) * width + (u - kernel - 1)]; D = integralImageData[(v + kernel) * width + (u + kernel)]; sum = D - C - B + A; avg = sum / size; targetData[v * width + u] = imageData[v * width + u] > avg + 5 ? 0 : 1; } } }; function cluster(points, threshold, property) { var i, k, cluster, point, clusters = []; if (!property) { property = "rad"; } function addToCluster(newPoint) { var found = false; for (k = 0; k < clusters.length; k++) { cluster = clusters[k]; if (cluster.fits(newPoint)) { cluster.add(newPoint); found = true; } } return found; } // iterate over each cloud for (i = 0; i < points.length; i++) { point = _cluster2.default.createPoint(points[i], i, property); if (!addToCluster(point)) { clusters.push(_cluster2.default.create(point, threshold)); } } return clusters; }; var Tracer = exports.Tracer = { trace: function trace(points, vec) { var iteration, maxIterations = 10, top = [], result = [], centerPos = 0, currentPos = 0; function trace(idx, forward) { var from, to, toIdx, predictedPos, thresholdX = 1, thresholdY = Math.abs(vec[1] / 10), found = false; function match(pos, predicted) { if (pos.x > predicted.x - thresholdX && pos.x < predicted.x + thresholdX && pos.y > predicted.y - thresholdY && pos.y < predicted.y + thresholdY) { return true; } else { return false; } } // check if the next index is within the vec specifications // if not, check as long as the threshold is met from = points[idx]; if (forward) { predictedPos = { x: from.x + vec[0], y: from.y + vec[1] }; } else { predictedPos = { x: from.x - vec[0], y: from.y - vec[1] }; } toIdx = forward ? idx + 1 : idx - 1; to = points[toIdx]; while (to && (found = match(to, predictedPos)) !== true && Math.abs(to.y - from.y) < vec[1]) { toIdx = forward ? toIdx + 1 : toIdx - 1; to = points[toIdx]; } return found ? toIdx : null; } for (iteration = 0; iteration < maxIterations; iteration++) { // randomly select point to start with centerPos = Math.floor(Math.random() * points.length); // trace forward top = []; currentPos = centerPos; top.push(points[currentPos]); while ((currentPos = trace(currentPos, true)) !== null) { top.push(points[currentPos]); } if (centerPos > 0) { currentPos = centerPos; while ((currentPos = trace(currentPos, false)) !== null) { top.push(points[currentPos]); } } if (top.length > result.length) { result = top; } } return result; } }; var DILATE = exports.DILATE = 1; var ERODE = exports.ERODE = 2; function dilate(inImageWrapper, outImageWrapper) { var v, u, inImageData = inImageWrapper.data, outImageData = outImageWrapper.data, height = inImageWrapper.size.y, width = inImageWrapper.size.x, sum, yStart1, yStart2, xStart1, xStart2; for (v = 1; v < height - 1; v++) { for (u = 1; u < width - 1; u++) { yStart1 = v - 1; yStart2 = v + 1; xStart1 = u - 1; xStart2 = u + 1; sum = inImageData[yStart1 * width + xStart1] + inImageData[yStart1 * width + xStart2] + inImageData[v * width + u] + inImageData[yStart2 * width + xStart1] + inImageData[yStart2 * width + xStart2]; outImageData[v * width + u] = sum > 0 ? 1 : 0; } } }; function erode(inImageWrapper, outImageWrapper) { var v, u, inImageData = inImageWrapper.data, outImageData = outImageWrapper.data, height = inImageWrapper.size.y, width = inImageWrapper.size.x, sum, yStart1, yStart2, xStart1, xStart2; for (v = 1; v < height - 1; v++) { for (u = 1; u < width - 1; u++) { yStart1 = v - 1; yStart2 = v + 1; xStart1 = u - 1; xStart2 = u + 1; sum = inImageData[yStart1 * width + xStart1] + inImageData[yStart1 * width + xStart2] + inImageData[v * width + u] + inImageData[yStart2 * width + xStart1] + inImageData[yStart2 * width + xStart2]; outImageData[v * width + u] = sum === 5 ? 1 : 0; } } }; function subtract(aImageWrapper, bImageWrapper, resultImageWrapper) { if (!resultImageWrapper) { resultImageWrapper = aImageWrapper; } var length = aImageWrapper.data.length, aImageData = aImageWrapper.data, bImageData = bImageWrapper.data, cImageData = resultImageWrapper.data; while (length--) { cImageData[length] = aImageData[length] - bImageData[length]; } }; function bitwiseOr(aImageWrapper, bImageWrapper, resultImageWrapper) { if (!resultImageWrapper) { resultImageWrapper = aImageWrapper; } var length = aImageWrapper.data.length, aImageData = aImageWrapper.data, bImageData = bImageWrapper.data, cImageData = resultImageWrapper.data; while (length--) { cImageData[length] = aImageData[length] || bImageData[length]; } }; function countNonZero(imageWrapper) { var length = imageWrapper.data.length, data = imageWrapper.data, sum = 0; while (length--) { sum += data[length]; } return sum; }; function topGeneric(list, top, scoreFunc) { var i, minIdx = 0, min = 0, queue = [], score, hit, pos; for (i = 0; i < top; i++) { queue[i] = { score: 0, item: null }; } for (i = 0; i < list.length; i++) { score = scoreFunc.apply(this, [list[i]]); if (score > min) { hit = queue[minIdx]; hit.score = score; hit.item = list[i]; min = Number.MAX_VALUE; for (pos = 0; pos < top; pos++) { if (queue[pos].score < min) { min = queue[pos].score; minIdx = pos; } } } } return queue; }; function grayArrayFromImage(htmlImage, offsetX, ctx, array) { ctx.drawImage(htmlImage, offsetX, 0, htmlImage.width, htmlImage.height); var ctxData = ctx.getImageData(offsetX, 0, htmlImage.width, htmlImage.height).data; computeGray(ctxData, array); }; function grayArrayFromContext(ctx, size, offset, array) { var ctxData = ctx.getImageData(offset.x, offset.y, size.x, size.y).data; computeGray(ctxData, array); }; function grayAndHalfSampleFromCanvasData(canvasData, size, outArray) { var topRowIdx = 0; var bottomRowIdx = size.x; var endIdx = Math.floor(canvasData.length / 4); var outWidth = size.x / 2; var outImgIdx = 0; var inWidth = size.x; var i; while (bottomRowIdx < endIdx) { for (i = 0; i < outWidth; i++) { outArray[outImgIdx] = Math.floor((0.299 * canvasData[topRowIdx * 4 + 0] + 0.587 * canvasData[topRowIdx * 4 + 1] + 0.114 * canvasData[topRowIdx * 4 + 2] + (0.299 * canvasData[(topRowIdx + 1) * 4 + 0] + 0.587 * canvasData[(topRowIdx + 1) * 4 + 1] + 0.114 * canvasData[(topRowIdx + 1) * 4 + 2]) + (0.299 * canvasData[bottomRowIdx * 4 + 0] + 0.587 * canvasData[bottomRowIdx * 4 + 1] + 0.114 * canvasData[bottomRowIdx * 4 + 2]) + (0.299 * canvasData[(bottomRowIdx + 1) * 4 + 0] + 0.587 * canvasData[(bottomRowIdx + 1) * 4 + 1] + 0.114 * canvasData[(bottomRowIdx + 1) * 4 + 2])) / 4); outImgIdx++; topRowIdx = topRowIdx + 2; bottomRowIdx = bottomRowIdx + 2; } topRowIdx = topRowIdx + inWidth; bottomRowIdx = bottomRowIdx + inWidth; } }; function computeGray(imageData, outArray, config) { var l = imageData.length / 4 | 0, i, singleChannel = config && config.singleChannel === true; if (singleChannel) { for (i = 0; i < l; i++) { outArray[i] = imageData[i * 4 + 0]; } } else { for (i = 0; i < l; i++) { outArray[i] = Math.floor(0.299 * imageData[i * 4 + 0] + 0.587 * imageData[i * 4 + 1] + 0.114 * imageData[i * 4 + 2]); } } }; function loadImageArray(src, callback, canvas) { if (!canvas) { canvas = document.createElement('canvas'); } var img = new Image(); img.callback = callback; img.onload = function () { canvas.width = this.width; canvas.height = this.height; var ctx = canvas.getContext('2d'); ctx.drawImage(this, 0, 0); var array = new Uint8Array(this.width * this.height); ctx.drawImage(this, 0, 0); var data = ctx.getImageData(0, 0, this.width, this.height).data; computeGray(data, array); this.callback(array, { x: this.width, y: this.height }, this); }; img.src = src; }; /** * @param inImg {ImageWrapper} input image to be sampled * @param outImg {ImageWrapper} to be stored in */ function halfSample(inImgWrapper, outImgWrapper) { var inImg = inImgWrapper.data; var inWidth = inImgWrapper.size.x; var outImg = outImgWrapper.data; var topRowIdx = 0; var bottomRowIdx = inWidth; var endIdx = inImg.length; var outWidth = inWidth / 2; var outImgIdx = 0; while (bottomRowIdx < endIdx) { for (var i = 0; i < outWidth; i++) { outImg[outImgIdx] = Math.floor((inImg[topRowIdx] + inImg[topRowIdx + 1] + inImg[bottomRowIdx] + inImg[bottomRowIdx + 1]) / 4); outImgIdx++; topRowIdx = topRowIdx + 2; bottomRowIdx = bottomRowIdx + 2; } topRowIdx = topRowIdx + inWidth; bottomRowIdx = bottomRowIdx + inWidth; } }; function hsv2rgb(hsv, rgb) { var h = hsv[0], s = hsv[1], v = hsv[2], c = v * s, x = c * (1 - Math.abs(h / 60 % 2 - 1)), m = v - c, r = 0, g = 0, b = 0; rgb = rgb || [0, 0, 0]; if (h < 60) { r = c; g = x; } else if (h < 120) { r = x; g = c; } else if (h < 180) { g = c; b = x; } else if (h < 240) { g = x; b = c; } else if (h < 300) { r = x; b = c; } else if (h < 360) { r = c; b = x; } rgb[0] = (r + m) * 255 | 0; rgb[1] = (g + m) * 255 | 0; rgb[2] = (b + m) * 255 | 0; return rgb; }; function _computeDivisors(n) { var largeDivisors = [], divisors = [], i; for (i = 1; i < Math.sqrt(n) + 1; i++) { if (n % i === 0) { divisors.push(i); if (i !== n / i) { largeDivisors.unshift(Math.floor(n / i)); } } } return divisors.concat(largeDivisors); }; function _computeIntersection(arr1, arr2) { var i = 0, j = 0, result = []; while (i < arr1.length && j < arr2.length) { if (arr1[i] === arr2[j]) { result.push(arr1[i]); i++; j++; } else if (arr1[i] > arr2[j]) { j++; } else { i++; } } return result; }; function calculatePatchSize(patchSize, imgSize) { var divisorsX = _computeDivisors(imgSize.x), divisorsY = _computeDivisors(imgSize.y), wideSide = Math.max(imgSize.x, imgSize.y), common = _computeIntersection(divisorsX, divisorsY), nrOfPatchesList = [8, 10, 15, 20, 32, 60, 80], nrOfPatchesMap = { "x-small": 5, "small": 4, "medium": 3, "large": 2, "x-large": 1 }, nrOfPatchesIdx = nrOfPatchesMap[patchSize] || nrOfPatchesMap.medium, nrOfPatches = nrOfPatchesList[nrOfPatchesIdx], desiredPatchSize = Math.floor(wideSide / nrOfPatches), optimalPatchSize; function findPatchSizeForDivisors(divisors) { var i = 0, found = divisors[Math.floor(divisors.length / 2)]; while (i < divisors.length - 1 && divisors[i] < desiredPatchSize) { i++; } if (i > 0) { if (Math.abs(divisors[i] - desiredPatchSize) > Math.abs(divisors[i - 1] - desiredPatchSize)) { found = divisors[i - 1]; } else { found = divisors[i]; } } if (desiredPatchSize / found < nrOfPatchesList[nrOfPatchesIdx + 1] / nrOfPatchesList[nrOfPatchesIdx] && desiredPatchSize / found > nrOfPatchesList[nrOfPatchesIdx - 1] / nrOfPatchesList[nrOfPatchesIdx]) { return { x: found, y: found }; } return null; } optimalPatchSize = findPatchSizeForDivisors(common); if (!optimalPatchSize) { optimalPatchSize = findPatchSizeForDivisors(_computeDivisors(wideSide)); if (!optimalPatchSize) { optimalPatchSize = findPatchSizeForDivisors(_computeDivisors(desiredPatchSize * nrOfPatches)); } } return optimalPatchSize; }; function _parseCSSDimensionValues(value) { var dimension = { value: parseFloat(value), unit: value.indexOf("%") === value.length - 1 ? "%" : "%" }; return dimension; }; var _dimensionsConverters = exports._dimensionsConverters = { top: function top(dimension, context) { if (dimension.unit === "%") { return Math.floor(context.height * (dimension.value / 100)); } }, right: function right(dimension, context) { if (dimension.unit === "%") { return Math.floor(context.width - context.width * (dimension.value / 100)); } }, bottom: function bottom(dimension, context) { if (dimension.unit === "%") { return Math.floor(context.height - context.height * (dimension.value / 100)); } }, left: function left(dimension, context) { if (dimension.unit === "%") { return Math.floor(context.width * (dimension.value / 100)); } } }; function computeImageArea(inputWidth, inputHeight, area) { var context = { width: inputWidth, height: inputHeight }; var parsedArea = Object.keys(area).reduce(function (result, key) { var value = area[key], parsed = _parseCSSDimensionValues(value), calculated = _dimensionsConverters[key](parsed, context); result[key] = calculated; return result; }, {}); return { sx: parsedArea.left, sy: parsedArea.top, sw: parsedArea.right - parsedArea.left, sh: parsedArea.bottom - parsedArea.top }; }; /***/ }), /* 27 */ /***/ (function(module, exports, __webpack_require__) { "use strict"; exports.__esModule = true; var _subImage = __webpack_require__(80); var _subImage2 = _interopRequireDefault(_subImage); var _cv_utils = __webpack_require__(26); var _array_helper = __webpack_require__(16); var _array_helper2 = _interopRequireDefault(_array_helper); function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; } var vec2 = { clone: __webpack_require__(9) }; /** * Represents a basic image combining the data and size. * In addition, some methods for manipulation are contained. * @param size {x,y} The size of the image in pixel * @param data {Array} If given, a flat array containing the pixel data * @param ArrayType {Type} If given, the desired DataType of the Array (may be typed/non-typed) * @param initialize {Boolean} Indicating if the array should be initialized on creation. * @returns {ImageWrapper} */ function ImageWrapper(size, data, ArrayType, initialize) { if (!data) { if (ArrayType) { this.data = new ArrayType(size.x * size.y); if (ArrayType === Array && initialize) { _array_helper2.default.init(this.data, 0); } } else { this.data = new Uint8Array(size.x * size.y); if (Uint8Array === Array && initialize) { _array_helper2.default.init(this.data, 0); } } } else { this.data = data; } this.size = size; } /** * tests if a position is within the image with a given offset * @param imgRef {x, y} The location to test * @param border Number the padding value in pixel * @returns {Boolean} true if location inside the image's border, false otherwise * @see cvd/image.h */ ImageWrapper.prototype.inImageWithBorder = function (imgRef, border) { return imgRef.x >= border && imgRef.y >= border && imgRef.x < this.size.x - border && imgRef.y < this.size.y - border; }; /** * Performs bilinear sampling * @param inImg Image to extract sample from * @param x the x-coordinate * @param y the y-coordinate * @returns the sampled value * @see cvd/vision.h */ ImageWrapper.sample = function (inImg, x, y) { var lx = Math.floor(x); var ly = Math.floor(y); var w = inImg.size.x; var base = ly * inImg.size.x + lx; var a = inImg.data[base + 0]; var b = inImg.data[base + 1]; var c = inImg.data[base + w]; var d = inImg.data[base + w + 1]; var e = a - b; x -= lx; y -= ly; var result = Math.floor(x * (y * (e - c + d) - e) + y * (c - a) + a); return result; }; /** * Initializes a given array. Sets each element to zero. * @param array {Array} The array to initialize */ ImageWrapper.clearArray = function (array) { var l = array.length; while (l--) { array[l] = 0; } }; /** * Creates a {SubImage} from the current image ({this}). * @param from {ImageRef} The position where to start the {SubImage} from. (top-left corner) * @param size {ImageRef} The size of the resulting image * @returns {SubImage} A shared part of the original image */ ImageWrapper.prototype.subImage = function (from, size) { return new _subImage2.default(from, size, this); }; /** * Creates an {ImageWrapper) and copies the needed underlying image-data area * @param imageWrapper {ImageWrapper} The target {ImageWrapper} where the data should be copied * @param from {ImageRef} The location where to copy from (top-left location) */ ImageWrapper.prototype.subImageAsCopy = function (imageWrapper, from) { var sizeY = imageWrapper.size.y, sizeX = imageWrapper.size.x; var x, y; for (x = 0; x < sizeX; x++) { for (y = 0; y < sizeY; y++) { imageWrapper.data[y * sizeX + x] = this.data[(from.y + y) * this.size.x + from.x + x]; } } }; ImageWrapper.prototype.copyTo = function (imageWrapper) { var length = this.data.length, srcData = this.data, dstData = imageWrapper.data; while (length--) { dstData[length] = srcData[length]; } }; /** * Retrieves a given pixel position from the image * @param x {Number} The x-position * @param y {Number} The y-position * @returns {Number} The grayscale value at the pixel-position */ ImageWrapper.prototype.get = function (x, y) { return this.data[y * this.size.x + x]; }; /** * Retrieves a given pixel position from the image * @param x {Number} The x-position * @param y {Number} The y-position * @returns {Number} The grayscale value at the pixel-position */ ImageWrapper.prototype.getSafe = function (x, y) { var i; if (!this.indexMapping) { this.indexMapping = { x: [], y: [] }; for (i = 0; i < this.size.x; i++) { this.indexMapping.x[i] = i; this.indexMapping.x[i + this.size.x] = i; } for (i = 0; i < this.size.y; i++) { this.indexMapping.y[i] = i; this.indexMapping.y[i + this.size.y] = i; } } return this.data[this.indexMapping.y[y + this.size.y] * this.size.x + this.indexMapping.x[x + this.size.x]]; }; /** * Sets a given pixel position in the image * @param x {Number} The x-position * @param y {Number} The y-position * @param value {Number} The grayscale value to set * @returns {ImageWrapper} The Image itself (for possible chaining) */ ImageWrapper.prototype.set = function (x, y, value) { this.data[y * this.size.x + x] = value; return this; }; /** * Sets the border of the image (1 pixel) to zero */ ImageWrapper.prototype.zeroBorder = function () { var i, width = this.size.x, height = this.size.y, data = this.data; for (i = 0; i < width; i++) { data[i] = data[(height - 1) * width + i] = 0; } for (i = 1; i < height - 1; i++) { data[i * width] = data[i * width + (width - 1)] = 0; } }; /** * Inverts a binary image in place */ ImageWrapper.prototype.invert = function () { var data = this.data, length = data.length; while (length--) { data[length] = data[length] ? 0 : 1; } }; ImageWrapper.prototype.convolve = function (kernel) { var x, y, kx, ky, kSize = kernel.length / 2 | 0, accu = 0; for (y = 0; y < this.size.y; y++) { for (x = 0; x < this.size.x; x++) { accu = 0; for (ky = -kSize; ky <= kSize; ky++) { for (kx = -kSize; kx <= kSize; kx++) { accu += kernel[ky + kSize][kx + kSize] * this.getSafe(x + kx, y + ky); } } this.data[y * this.size.x + x] = accu; } } }; ImageWrapper.prototype.moments = function (labelcount) { var data = this.data, x, y, height = this.size.y, width = this.size.x, val, ysq, labelsum = [], i, label, mu11, mu02, mu20, x_, y_, tmp, result = [], PI = Math.PI, PI_4 = PI / 4; if (labelcount <= 0) { return result; } for (i = 0; i < labelcount; i++) { labelsum[i] = { m00: 0, m01: 0, m10: 0, m11: 0, m02: 0, m20: 0, theta: 0, rad: 0 }; } for (y = 0; y < height; y++) { ysq = y * y; for (x = 0; x < width; x++) { val = data[y * width + x]; if (val > 0) { label = labelsum[val - 1]; label.m00 += 1; label.m01 += y; label.m10 += x; label.m11 += x * y; label.m02 += ysq; label.m20 += x * x; } } } for (i = 0; i < labelcount; i++) { label = labelsum[i]; if (!isNaN(label.m00) && label.m00 !== 0) { x_ = label.m10 / label.m00; y_ = label.m01 / label.m00; mu11 = label.m11 / label.m00 - x_ * y_; mu02 = label.m02 / label.m00 - y_ * y_; mu20 = label.m20 / label.m00 - x_ * x_; tmp = (mu02 - mu20) / (2 * mu11); tmp = 0.5 * Math.atan(tmp) + (mu11 >= 0 ? PI_4 : -PI_4) + PI; label.theta = (tmp * 180 / PI + 90) % 180 - 90; if (label.theta < 0) { label.theta += 180; } label.rad = tmp > PI ? tmp - PI : tmp; label.vec = vec2.clone([Math.cos(tmp), Math.sin(tmp)]); result.push(label); } } return result; }; /** * Displays the {ImageWrapper} in a given canvas * @param canvas {Canvas} The canvas element to write to * @param scale {Number} Scale which is applied to each pixel-value */ ImageWrapper.prototype.show = function (canvas, scale) { var ctx, frame, data, current, pixel, x, y; if (!scale) { scale = 1.0; } ctx = canvas.getContext('2d'); canvas.width = this.size.x; canvas.height = this.size.y; frame = ctx.getImageData(0, 0, canvas.width, canvas.height); data = frame.data; current = 0; for (y = 0; y < this.size.y; y++) { for (x = 0; x < this.size.x; x++) { pixel = y * this.size.x + x; current = this.get(x, y) * scale; data[pixel * 4 + 0] = current; data[pixel * 4 + 1] = current; data[pixel * 4 + 2] = current; data[pixel * 4 + 3] = 255; } } //frame.data = data; ctx.putImageData(frame, 0, 0); }; /** * Displays the {SubImage} in a given canvas * @param canvas {Canvas} The canvas element to write to * @param scale {Number} Scale which is applied to each pixel-value */ ImageWrapper.prototype.overlay = function (canvas, scale, from) { if (!scale || scale < 0 || scale > 360) { scale = 360; } var hsv = [0, 1, 1]; var rgb = [0, 0, 0]; var whiteRgb = [255, 255, 255]; var blackRgb = [0, 0, 0]; var result = []; var ctx = canvas.getContext('2d'); var frame = ctx.getImageData(from.x, from.y, this.size.x, this.size.y); var data = frame.data; var length = this.data.length; while (length--) { hsv[0] = this.data[length] * scale; result = hsv[0] <= 0 ? whiteRgb : hsv[0] >= 360 ? blackRgb : (0, _cv_utils.hsv2rgb)(hsv, rgb); data[length * 4 + 0] = result[0]; data[length * 4 + 1] = result[1]; data[length * 4 + 2] = result[2]; data[length * 4 + 3] = 255; } ctx.putImageData(frame, from.x, from.y); }; exports.default = ImageWrapper; /***/ }), /* 28 */ /***/ (function(module, exports, __webpack_require__) { var getNative = __webpack_require__(3), root = __webpack_require__(1); /* Built-in method references that are verified to be native. */ var Map = getNative(root, 'Map'); module.exports = Map; /***/ }), /* 29 */ /***/ (function(module, exports, __webpack_require__) { var mapCacheClear = __webpack_require__(172), mapCacheDelete = __webpack_require__(173), mapCacheGet = __webpack_require__(174), mapCacheHas = __webpack_require__(175), mapCacheSet = __webpack_require__(176); /** * Creates a map cache object to store key-value pairs. * * @private * @constructor * @param {Array} [entries] The key-value pairs to cache. */ function MapCache(entries) { var index = -1, length = entries == null ? 0 : entries.length; this.clear(); while (++index < length) { var entry = entries[index]; this.set(entry[0], entry[1]); } } // Add methods to `MapCache`. MapCache.prototype.clear = mapCacheClear; MapCache.prototype['delete'] = mapCacheDelete; MapCache.prototype.get = mapCacheGet; MapCache.prototype.has = mapCacheHas; MapCache.prototype.set = mapCacheSet; module.exports = MapCache; /***/ }), /* 30 */ /***/ (function(module, exports, __webpack_require__) { var ListCache = __webpack_require__(17), stackClear = __webpack_require__(187), stackDelete = __webpack_require__(188), stackGet = __webpack_require__(189), stackHas = __webpack_require__(190), stackSet = __webpack_require__(191); /** * Creates a stack cache object to store key-value pairs. * * @private * @constructor * @param {Array} [entries] The key-value pairs to cache. */ function Stack(entries) { var data = this.__data__ = new ListCache(entries); this.size = data.size; } // Add methods to `Stack`. Stack.prototype.clear = stackClear; Stack.prototype['delete'] = stackDelete; Stack.prototype.get = stackGet; Stack.prototype.has = stackHas; Stack.prototype.set = stackSet; module.exports = Stack; /***/ }), /* 31 */ /***/ (function(module, exports) { /** * Appends the elements of `values` to `array`. * * @private * @param {Array} array The array to modify. * @param {Array} values The values to append. * @returns {Array} Returns `array`. */ function arrayPush(array, values) { var index = -1, length = values.length, offset = array.length; while (++index < length) { array[offset + index] = values[index]; } return array; } module.exports = arrayPush; /***/ }), /* 32 */ /***/ (function(module, exports, __webpack_require__) { var defineProperty = __webpack_require__(57); /** * The base implementation of `assignValue` and `assignMergeValue` without * value checks. * * @private * @param {Object} object The object to modify. * @param {string} key The key of the property to assign. * @param {*} value The value to assign. */ function baseAssignValue(object, key, value) { if (key == '__proto__' && defineProperty) { defineProperty(object, key, { 'configurable': true, 'enumerable': true, 'value': value, 'writable': true }); } else { object[key] = value; } } module.exports = baseAssignValue; /***/ }), /* 33 */ /***/ (function(module, exports, __webpack_require__) { var castPath = __webpack_require__(19), toKey = __webpack_require__(11); /** * The base implementation of `_.get` without support for default values. * * @private * @param {Object} object The object to query. * @param {Array|string} path The path of the property to get. * @returns {*} Returns the resolved value. */ function baseGet(object, path) { path = castPath(path, object); var index = 0, length = path.length; while (object != null && index < length) { object = object[toKey(path[index++])]; } return (index && index == length) ? object : undefined; } module.exports = baseGet; /***/ }), /* 34 */ /***/ (function(module, exports, __webpack_require__) { var overArg = __webpack_require__(64); /** Built-in value references. */ var getPrototype = overArg(Object.getPrototypeOf, Object); module.exports = getPrototype; /***/ }), /* 35 */ /***/ (function(module, exports, __webpack_require__) { var isArray = __webpack_require__(0), isSymbol = __webpack_require__(39); /** Used to match property names within property paths. */ var reIsDeepProp = /\.|\[(?:[^[\]]*|(["'])(?:(?!\1)[^\\]|\\.)*?\1)\]/, reIsPlainProp = /^\w*$/; /** * Checks if `value` is a property name and not a property path. * * @private * @param {*} value The value to check. * @param {Object} [object] The object to query keys on. * @returns {boolean} Returns `true` if `value` is a property name, else `false`. */ function isKey(value, object) { if (isArray(value)) { return false; } var type = typeof value; if (type == 'number' || type == 'symbol' || type == 'boolean' || value == null || isSymbol(value)) { return true; } return reIsPlainProp.test(value) || !reIsDeepProp.test(value) || (object != null && value in Object(object)); } module.exports = isKey; /***/ }), /* 36 */ /***/ (function(module, exports) { /** * This method returns the first argument it receives. * * @static * @since 0.1.0 * @memberOf _ * @category Util * @param {*} value Any value. * @returns {*} Returns `value`. * @example * * var object = { 'a': 1 }; * * console.log(_.identity(object) === object); * // => true */ function identity(value) { return value; } module.exports = identity; /***/ }), /* 37 */ /***/ (function(module, exports, __webpack_require__) { var baseGetTag = __webpack_require__(6), isObject = __webpack_require__(2); /** `Object#toString` result references. */ var asyncTag = '[object AsyncFunction]', funcTag = '[object Function]', genTag = '[object GeneratorFunction]', proxyTag = '[object Proxy]'; /** * Checks if `value` is classified as a `Function` object. * * @static * @memberOf _ * @since 0.1.0 * @category Lang * @param {*} value The value to check. * @returns {boolean} Returns `true` if `value` is a function, else `false`. * @example * * _.isFunction(_); * // => true * * _.isFunction(/abc/); * // => false */ function isFunction(value) { if (!isObject(value)) { return false; } // The use of `Object#toString` avoids issues with the `typeof` operator // in Safari 9 which returns 'object' for typed arrays and other constructors. var tag = baseGetTag(value); return tag == funcTag || tag == genTag || tag == asyncTag || tag == proxyTag; } module.exports = isFunction; /***/ }), /* 38 */ /***/ (function(module, exports) { /** Used as references for various `Number` constants. */ var MAX_SAFE_INTEGER = 9007199254740991; /** * Checks if `value` is a valid array-like length. * * **Note:** This method is loosely based on * [`ToLength`](http://ecma-international.org/ecma-262/7.0/#sec-tolength). * * @static * @memberOf _ * @since 4.0.0 * @category Lang * @param {*} value The value to check. * @returns {boolean} Returns `true` if `value` is a valid length, else `false`. * @example * * _.isLength(3); * // => true * * _.isLength(Number.MIN_VALUE); * // => false * * _.isLength(Infinity); * // => false * * _.isLength('3'); * // => false */ function isLength(value) { return typeof value == 'number' && value > -1 && value % 1 == 0 && value <= MAX_SAFE_INTEGER; } module.exports = isLength; /***/ }), /* 39 */ /***/ (function(module, exports, __webpack_require__) { var baseGetTag = __webpack_require__(6), isObjectLike = __webpack_require__(4); /** `Object#toString` result references. */ var symbolTag = '[object Symbol]'; /** * Checks if `value` is classified as a `Symbol` primitive or object. * * @static * @memberOf _ * @since 4.0.0 * @category Lang * @param {*} value The value to check. * @returns {boolean} Returns `true` if `value` is a symbol, else `false`. * @example * * _.isSymbol(Symbol.iterator); * // => true * * _.isSymbol('abc'); * // => false */ function isSymbol(value) { return typeof value == 'symbol' || (isObjectLike(value) && baseGetTag(value) == symbolTag); } module.exports = isSymbol; /***/ }), /* 40 */ /***/ (function(module, exports, __webpack_require__) { var arrayLikeKeys = __webpack_require__(48), baseKeysIn = __webpack_require__(124), isArrayLike = __webpack_require__(14); /** * Creates an array of the own and inherited enumerable property names of `object`. * * **Note:** Non-object values are coerced to objects. * * @static * @memberOf _ * @since 3.0.0 * @category Object * @param {Object} object The object to query. * @returns {Array} Returns the array of property names. * @example * * function Foo() { * this.a = 1; * this.b = 2; * } * * Foo.prototype.c = 3; * * _.keysIn(new Foo); * // => ['a', 'b', 'c'] (iteration order is not guaranteed) */ function keysIn(object) { return isArrayLike(object) ? arrayLikeKeys(object, true) : baseKeysIn(object); } module.exports = keysIn; /***/ }), /* 41 */ /***/ (function(module, exports) { module.exports = function(module) { if(!module.webpackPolyfill) { module.deprecate = function() {}; module.paths = []; // module.parent = undefined by default if(!module.children) module.children = []; Object.defineProperty(module, "loaded", { enumerable: true, get: function() { return module.l; } }); Object.defineProperty(module, "id", { enumerable: true, get: function() { return module.i; } }); module.webpackPolyfill = 1; } return module; }; /***/ }), /* 42 */ /***/ (function(module, exports, __webpack_require__) { "use strict"; exports.__esModule = true; var _image_debug = __webpack_require__(7); var _image_debug2 = _interopRequireDefault(_image_debug); function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; } function contains(codeResult, list) { if (list) { return list.some(function (item) { return Object.keys(item).every(function (key) { return item[key] === codeResult[key]; }); }); } return false; } function passesFilter(codeResult, filter) { if (typeof filter === 'function') { return filter(codeResult); } return true; } exports.default = { create: function create(config) { var canvas = document.createElement("canvas"), ctx = canvas.getContext("2d"), results = [], capacity = config.capacity || 20, capture = config.capture === true; function matchesConstraints(codeResult) { return capacity && codeResult && !contains(codeResult, config.blacklist) && passesFilter(codeResult, config.filter); } return { addResult: function addResult(data, imageSize, codeResult) { var result = {}; if (matchesConstraints(codeResult)) { capacity--; result.codeResult = codeResult; if (capture) { canvas.width = imageSize.x; canvas.height = imageSize.y; _image_debug2.default.drawImage(data, imageSize, ctx); result.frame = canvas.toDataURL(); } results.push(result); } }, getResults: function getResults() { return results; } }; } }; /***/ }), /* 43 */ /***/ (function(module, exports, __webpack_require__) { "use strict"; exports.__esModule = true; var config = void 0; if (false) { config = require('./config.dev.js'); } else if (true) { config = __webpack_require__(82); } else { config = require('./config.prod.js'); } exports.default = config; /***/ }), /* 44 */ /***/ (function(module, exports, __webpack_require__) { "use strict"; exports.__esModule = true; /** * http://www.codeproject.com/Tips/407172/Connected-Component-Labeling-and-Vectorization */ var Tracer = { searchDirections: [[0, 1], [1, 1], [1, 0], [1, -1], [0, -1], [-1, -1], [-1, 0], [-1, 1]], create: function create(imageWrapper, labelWrapper) { var imageData = imageWrapper.data, labelData = labelWrapper.data, searchDirections = this.searchDirections, width = imageWrapper.size.x, pos; function _trace(current, color, label, edgelabel) { var i, y, x; for (i = 0; i < 7; i++) { y = current.cy + searchDirections[current.dir][0]; x = current.cx + searchDirections[current.dir][1]; pos = y * width + x; if (imageData[pos] === color && (labelData[pos] === 0 || labelData[pos] === label)) { labelData[pos] = label; current.cy = y; current.cx = x; return true; } else { if (labelData[pos] === 0) { labelData[pos] = edgelabel; } current.dir = (current.dir + 1) % 8; } } return false; } function vertex2D(x, y, dir) { return { dir: dir, x: x, y: y, next: null, prev: null }; } function _contourTracing(sy, sx, label, color, edgelabel) { var Fv = null, Cv, P, ldir, current = { cx: sx, cy: sy, dir: 0 }; if (_trace(current, color, label, edgelabel)) { Fv = vertex2D(sx, sy, current.dir); Cv = Fv; ldir = current.dir; P = vertex2D(current.cx, current.cy, 0); P.prev = Cv; Cv.next = P; P.next = null; Cv = P; do { current.dir = (current.dir + 6) % 8; _trace(current, color, label, edgelabel); if (ldir !== current.dir) { Cv.dir = current.dir; P = vertex2D(current.cx, current.cy, 0); P.prev = Cv; Cv.next = P; P.next = null; Cv = P; } else { Cv.dir = ldir; Cv.x = current.cx; Cv.y = current.cy; } ldir = current.dir; } while (current.cx !== sx || current.cy !== sy); Fv.prev = Cv.prev; Cv.prev.next = Fv; } return Fv; } return { trace: function trace(current, color, label, edgelabel) { return _trace(current, color, label, edgelabel); }, contourTracing: function contourTracing(sy, sx, label, color, edgelabel) { return _contourTracing(sy, sx, label, color, edgelabel); } }; } }; exports.default = Tracer; /***/ }), /* 45 */ /***/ (function(module, exports, __webpack_require__) { "use strict"; exports.__esModule = true; var _barcode_reader = __webpack_require__(8); var _barcode_reader2 = _interopRequireDefault(_barcode_reader); var _array_helper = __webpack_require__(16); var _array_helper2 = _interopRequireDefault(_array_helper); function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; } function Code39Reader() { _barcode_reader2.default.call(this); } var properties = { ALPHABETH_STRING: { value: "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ-. *$/+%" }, ALPHABET: { value: [48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 45, 46, 32, 42, 36, 47, 43, 37] }, CHARACTER_ENCODINGS: { value: [0x034, 0x121, 0x061, 0x160, 0x031, 0x130, 0x070, 0x025, 0x124, 0x064, 0x109, 0x049, 0x148, 0x019, 0x118, 0x058, 0x00D, 0x10C, 0x04C, 0x01C, 0x103, 0x043, 0x142, 0x013, 0x112, 0x052, 0x007, 0x106, 0x046, 0x016, 0x181, 0x0C1, 0x1C0, 0x091, 0x190, 0x0D0, 0x085, 0x184, 0x0C4, 0x094, 0x0A8, 0x0A2, 0x08A, 0x02A] }, ASTERISK: { value: 0x094 }, FORMAT: { value: "code_39", writeable: false } }; Code39Reader.prototype = Object.create(_barcode_reader2.default.prototype, properties); Code39Reader.prototype.constructor = Code39Reader; Code39Reader.prototype._toCounters = function (start, counter) { var self = this, numCounters = counter.length, end = self._row.length, isWhite = !self._row[start], i, counterPos = 0; _array_helper2.default.init(counter, 0); for (i = start; i < end; i++) { if (self._row[i] ^ isWhite) { counter[counterPos]++; } else { counterPos++; if (counterPos === numCounters) { break; } else { counter[counterPos] = 1; isWhite = !isWhite; } } } return counter; }; Code39Reader.prototype._decode = function () { var self = this, counters = [0, 0, 0, 0, 0, 0, 0, 0, 0], result = [], start = self._findStart(), decodedChar, lastStart, pattern, nextStart; if (!start) { return null; } nextStart = self._nextSet(self._row, start.end); do { counters = self._toCounters(nextStart, counters); pattern = self._toPattern(counters); if (pattern < 0) { return null; } decodedChar = self._patternToChar(pattern); if (decodedChar < 0) { return null; } result.push(decodedChar); lastStart = nextStart; nextStart += _array_helper2.default.sum(counters); nextStart = self._nextSet(self._row, nextStart); } while (decodedChar !== '*'); result.pop(); if (!result.length) { return null; } if (!self._verifyTrailingWhitespace(lastStart, nextStart, counters)) { return null; } return { code: result.join(""), start: start.start, end: nextStart, startInfo: start, decodedCodes: result }; }; Code39Reader.prototype._verifyTrailingWhitespace = function (lastStart, nextStart, counters) { var trailingWhitespaceEnd, patternSize = _array_helper2.default.sum(counters); trailingWhitespaceEnd = nextStart - lastStart - patternSize; if (trailingWhitespaceEnd * 3 >= patternSize) { return true; } return false; }; Code39Reader.prototype._patternToChar = function (pattern) { var i, self = this; for (i = 0; i < self.CHARACTER_ENCODINGS.length; i++) { if (self.CHARACTER_ENCODINGS[i] === pattern) { return String.fromCharCode(self.ALPHABET[i]); } } return -1; }; Code39Reader.prototype._findNextWidth = function (counters, current) { var i, minWidth = Number.MAX_VALUE; for (i = 0; i < counters.length; i++) { if (counters[i] < minWidth && counters[i] > current) { minWidth = counters[i]; } } return minWidth; }; Code39Reader.prototype._toPattern = function (counters) { var numCounters = counters.length, maxNarrowWidth = 0, numWideBars = numCounters, wideBarWidth = 0, self = this, pattern, i; while (numWideBars > 3) { maxNarrowWidth = self._findNextWidth(counters, maxNarrowWidth); numWideBars = 0; pattern = 0; for (i = 0; i < numCounters; i++) { if (counters[i] > maxNarrowWidth) { pattern |= 1 << numCounters - 1 - i; numWideBars++; wideBarWidth += counters[i]; } } if (numWideBars === 3) { for (i = 0; i < numCounters && numWideBars > 0; i++) { if (counters[i] > maxNarrowWidth) { numWideBars--; if (counters[i] * 2 >= wideBarWidth) { return -1; } } } return pattern; } } return -1; }; Code39Reader.prototype._findStart = function () { var self = this, offset = self._nextSet(self._row), patternStart = offset, counter = [0, 0, 0, 0, 0, 0, 0, 0, 0], counterPos = 0, isWhite = false, i, j, whiteSpaceMustStart; for (i = offset; i < self._row.length; i++) { if (self._row[i] ^ isWhite) { counter[counterPos]++; } else { if (counterPos === counter.length - 1) { // find start pattern if (self._toPattern(counter) === self.ASTERISK) { whiteSpaceMustStart = Math.floor(Math.max(0, patternStart - (i - patternStart) / 4)); if (self._matchRange(whiteSpaceMustStart, patternStart, 0)) { return { start: patternStart, end: i }; } } patternStart += counter[0] + counter[1]; for (j = 0; j < 7; j++) { counter[j] = counter[j + 2]; } counter[7] = 0; counter[8] = 0; counterPos--; } else { counterPos++; } counter[counterPos] = 1; isWhite = !isWhite; } } return null; }; exports.default = Code39Reader; /***/ }), /* 46 */ /***/ (function(module, exports) { module.exports = dot /** * Calculates the dot product of two vec2's * * @param {vec2} a the first operand * @param {vec2} b the second operand * @returns {Number} dot product of a and b */ function dot(a, b) { return a[0] * b[0] + a[1] * b[1] } /***/ }), /* 47 */ /***/ (function(module, exports, __webpack_require__) { var root = __webpack_require__(1); /** Built-in value references. */ var Uint8Array = root.Uint8Array; module.exports = Uint8Array; /***/ }), /* 48 */ /***/ (function(module, exports, __webpack_require__) { var baseTimes = __webpack_require__(135), isArguments = __webpack_require__(13), isArray = __webpack_require__(0), isBuffer = __webpack_require__(24), isIndex = __webpack_require__(21), isTypedArray = __webpack_require__(25); /** Used for built-in method references. */ var objectProto = Object.prototype; /** Used to check objects for own properties. */ var hasOwnProperty = objectProto.hasOwnProperty; /** * Creates an array of the enumerable property names of the array-like `value`. * * @private * @param {*} value The value to query. * @param {boolean} inherited Specify returning inherited property names. * @returns {Array} Returns the array of property names. */ function arrayLikeKeys(value, inherited) { var isArr = isArray(value), isArg = !isArr && isArguments(value), isBuff = !isArr && !isArg && isBuffer(value), isType = !isArr && !isArg && !isBuff && isTypedArray(value), skipIndexes = isArr || isArg || isBuff || isType, result = skipIndexes ? baseTimes(value.length, String) : [], length = result.length; for (var key in value) { if ((inherited || hasOwnProperty.call(value, key)) && !(skipIndexes && ( // Safari 9 has enumerable `arguments.length` in strict mode. key == 'length' || // Node.js 0.10 has enumerable non-index properties on buffers. (isBuff && (key == 'offset' || key == 'parent')) || // PhantomJS 2 has enumerable non-index properties on typed arrays. (isType && (key == 'buffer' || key == 'byteLength' || key == 'byteOffset')) || // Skip index properties. isIndex(key, length) ))) { result.push(key); } } return result; } module.exports = arrayLikeKeys; /***/ }), /* 49 */ /***/ (function(module, exports) { /** * A specialized version of `_.map` for arrays without support for iteratee * shorthands. * * @private * @param {Array} [array] The array to iterate over. * @param {Function} iteratee The function invoked per iteration. * @returns {Array} Returns the new mapped array. */ function arrayMap(array, iteratee) { var index = -1, length = array == null ? 0 : array.length, result = Array(length); while (++index < length) { result[index] = iteratee(array[index], index, array); } return result; } module.exports = arrayMap; /***/ }), /* 50 */ /***/ (function(module, exports, __webpack_require__) { var baseAssignValue = __webpack_require__(32), eq = __webpack_require__(12); /** * This function is like `assignValue` except that it doesn't assign * `undefined` values. * * @private * @param {Object} object The object to modify. * @param {string} key The key of the property to assign. * @param {*} value The value to assign. */ function assignMergeValue(object, key, value) { if ((value !== undefined && !eq(object[key], value)) || (value === undefined && !(key in object))) { baseAssignValue(object, key, value); } } module.exports = assignMergeValue; /***/ }), /* 51 */ /***/ (function(module, exports, __webpack_require__) { var baseAssignValue = __webpack_require__(32), eq = __webpack_require__(12); /** Used for built-in method references. */ var objectProto = Object.prototype; /** Used to check objects for own properties. */ var hasOwnProperty = objectProto.hasOwnProperty; /** * Assigns `value` to `key` of `object` if the existing value is not equivalent * using [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero) * for equality comparisons. * * @private * @param {Object} object The object to modify. * @param {string} key The key of the property to assign. * @param {*} value The value to assign. */ function assignValue(object, key, value) { var objValue = object[key]; if (!(hasOwnProperty.call(object, key) && eq(objValue, value)) || (value === undefined && !(key in object))) { baseAssignValue(object, key, value); } } module.exports = assignValue; /***/ }), /* 52 */ /***/ (function(module, exports, __webpack_require__) { var arrayPush = __webpack_require__(31), isArray = __webpack_require__(0); /** * The base implementation of `getAllKeys` and `getAllKeysIn` which uses * `keysFunc` and `symbolsFunc` to get the enumerable property names and * symbols of `object`. * * @private * @param {Object} object The object to query. * @param {Function} keysFunc The function to get the keys of `object`. * @param {Function} symbolsFunc The function to get the symbols of `object`. * @returns {Array} Returns the array of property names and symbols. */ function baseGetAllKeys(object, keysFunc, symbolsFunc) { var result = keysFunc(object); return isArray(object) ? result : arrayPush(result, symbolsFunc(object)); } module.exports = baseGetAllKeys; /***/ }), /* 53 */ /***/ (function(module, exports, __webpack_require__) { var baseIsEqualDeep = __webpack_require__(120), isObjectLike = __webpack_require__(4); /** * The base implementation of `_.isEqual` which supports partial comparisons * and tracks traversed objects. * * @private * @param {*} value The value to compare. * @param {*} other The other value to compare. * @param {boolean} bitmask The bitmask flags. * 1 - Unordered comparison * 2 - Partial comparison * @param {Function} [customizer] The function to customize comparisons. * @param {Object} [stack] Tracks traversed `value` and `other` objects. * @returns {boolean} Returns `true` if the values are equivalent, else `false`. */ function baseIsEqual(value, other, bitmask, customizer, stack) { if (value === other) { return true; } if (value == null || other == null || (!isObjectLike(value) && !isObjectLike(other))) { return value !== value && other !== other; } return baseIsEqualDeep(value, other, bitmask, customizer, baseIsEqual, stack); } module.exports = baseIsEqual; /***/ }), /* 54 */ /***/ (function(module, exports, __webpack_require__) { var baseMatches = __webpack_require__(125), baseMatchesProperty = __webpack_require__(126), identity = __webpack_require__(36), isArray = __webpack_require__(0), property = __webpack_require__(203); /** * The base implementation of `_.iteratee`. * * @private * @param {*} [value=_.identity] The value to convert to an iteratee. * @returns {Function} Returns the iteratee. */ function baseIteratee(value) { // Don't store the `typeof` result in a variable to avoid a JIT bug in Safari 9. // See https://bugs.webkit.org/show_bug.cgi?id=156034 for more details. if (typeof value == 'function') { return value; } if (value == null) { return identity; } if (typeof value == 'object') { return isArray(value) ? baseMatchesProperty(value[0], value[1]) : baseMatches(value); } return property(value); } module.exports = baseIteratee; /***/ }), /* 55 */ /***/ (function(module, exports, __webpack_require__) { var isPrototype = __webpack_require__(22), nativeKeys = __webpack_require__(179); /** Used for built-in method references. */ var objectProto = Object.prototype; /** Used to check objects for own properties. */ var hasOwnProperty = objectProto.hasOwnProperty; /** * The base implementation of `_.keys` which doesn't treat sparse arrays as dense. * * @private * @param {Object} object The object to query. * @returns {Array} Returns the array of property names. */ function baseKeys(object) { if (!isPrototype(object)) { return nativeKeys(object); } var result = []; for (var key in Object(object)) { if (hasOwnProperty.call(object, key) && key != 'constructor') { result.push(key); } } return result; } module.exports = baseKeys; /***/ }), /* 56 */ /***/ (function(module, exports, __webpack_require__) { var baseGet = __webpack_require__(33), baseSet = __webpack_require__(133), castPath = __webpack_require__(19); /** * The base implementation of `_.pickBy` without support for iteratee shorthands. * * @private * @param {Object} object The source object. * @param {string[]} paths The property paths to pick. * @param {Function} predicate The function invoked per property. * @returns {Object} Returns the new object. */ function basePickBy(object, paths, predicate) { var index = -1, length = paths.length, result = {}; while (++index < length) { var path = paths[index], value = baseGet(object, path); if (predicate(value, path)) { baseSet(result, castPath(path, object), value); } } return result; } module.exports = basePickBy; /***/ }), /* 57 */ /***/ (function(module, exports, __webpack_require__) { var getNative = __webpack_require__(3); var defineProperty = (function() { try { var func = getNative(Object, 'defineProperty'); func({}, '', {}); return func; } catch (e) {} }()); module.exports = defineProperty; /***/ }), /* 58 */ /***/ (function(module, exports, __webpack_require__) { var SetCache = __webpack_require__(110), arraySome = __webpack_require__(114), cacheHas = __webpack_require__(138); /** Used to compose bitmasks for value comparisons. */ var COMPARE_PARTIAL_FLAG = 1, COMPARE_UNORDERED_FLAG = 2; /** * A specialized version of `baseIsEqualDeep` for arrays with support for * partial deep comparisons. * * @private * @param {Array} array The array to compare. * @param {Array} other The other array to compare. * @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details. * @param {Function} customizer The function to customize comparisons. * @param {Function} equalFunc The function to determine equivalents of values. * @param {Object} stack Tracks traversed `array` and `other` objects. * @returns {boolean} Returns `true` if the arrays are equivalent, else `false`. */ function equalArrays(array, other, bitmask, customizer, equalFunc, stack) { var isPartial = bitmask & COMPARE_PARTIAL_FLAG, arrLength = array.length, othLength = other.length; if (arrLength != othLength && !(isPartial && othLength > arrLength)) { return false; } // Assume cyclic values are equal. var stacked = stack.get(array); if (stacked && stack.get(other)) { return stacked == other; } var index = -1, result = true, seen = (bitmask & COMPARE_UNORDERED_FLAG) ? new SetCache : undefined; stack.set(array, other); stack.set(other, array); // Ignore non-index properties. while (++index < arrLength) { var arrValue = array[index], othValue = other[index]; if (customizer) { var compared = isPartial ? customizer(othValue, arrValue, index, other, array, stack) : customizer(arrValue, othValue, index, array, other, stack); } if (compared !== undefined) { if (compared) { continue; } result = false; break; } // Recursively compare arrays (susceptible to call stack limits). if (seen) { if (!arraySome(other, function(othValue, othIndex) { if (!cacheHas(seen, othIndex) && (arrValue === othValue || equalFunc(arrValue, othValue, bitmask, customizer, stack))) { return seen.push(othIndex); } })) { result = false; break; } } else if (!( arrValue === othValue || equalFunc(arrValue, othValue, bitmask, customizer, stack) )) { result = false; break; } } stack['delete'](array); stack['delete'](other); return result; } module.exports = equalArrays; /***/ }), /* 59 */ /***/ (function(module, exports, __webpack_require__) { /* WEBPACK VAR INJECTION */(function(global) {/** Detect free variable `global` from Node.js. */ var freeGlobal = typeof global == 'object' && global && global.Object === Object && global; module.exports = freeGlobal; /* WEBPACK VAR INJECTION */}.call(exports, __webpack_require__(72))) /***/ }), /* 60 */ /***/ (function(module, exports, __webpack_require__) { var arrayFilter = __webpack_require__(113), stubArray = __webpack_require__(71); /** Used for built-in method references. */ var objectProto = Object.prototype; /** Built-in value references. */ var propertyIsEnumerable = objectProto.propertyIsEnumerable; /* Built-in method references for those with the same name as other `lodash` methods. */ var nativeGetSymbols = Object.getOwnPropertySymbols; /** * Creates an array of the own enumerable symbols of `object`. * * @private * @param {Object} object The object to query. * @returns {Array} Returns the array of symbols. */ var getSymbols = !nativeGetSymbols ? stubArray : function(object) { if (object == null) { return []; } object = Object(object); return arrayFilter(nativeGetSymbols(object), function(symbol) { return propertyIsEnumerable.call(object, symbol); }); }; module.exports = getSymbols; /***/ }), /* 61 */ /***/ (function(module, exports, __webpack_require__) { var DataView = __webpack_require__(106), Map = __webpack_require__(28), Promise = __webpack_require__(108), Set = __webpack_require__(109), WeakMap = __webpack_require__(111), baseGetTag = __webpack_require__(6), toSource = __webpack_require__(67); /** `Object#toString` result references. */ var mapTag = '[object Map]', objectTag = '[object Object]', promiseTag = '[object Promise]', setTag = '[object Set]', weakMapTag = '[object WeakMap]'; var dataViewTag = '[object DataView]'; /** Used to detect maps, sets, and weakmaps. */ var dataViewCtorString = toSource(DataView), mapCtorString = toSource(Map), promiseCtorString = toSource(Promise), setCtorString = toSource(Set), weakMapCtorString = toSource(WeakMap); /** * Gets the `toStringTag` of `value`. * * @private * @param {*} value The value to query. * @returns {string} Returns the `toStringTag`. */ var getTag = baseGetTag; // Fallback for data views, maps, sets, and weak maps in IE 11 and promises in Node.js < 6. if ((DataView && getTag(new DataView(new ArrayBuffer(1))) != dataViewTag) || (Map && getTag(new Map) != mapTag) || (Promise && getTag(Promise.resolve()) != promiseTag) || (Set && getTag(new Set) != setTag) || (WeakMap && getTag(new WeakMap) != weakMapTag)) { getTag = function(value) { var result = baseGetTag(value), Ctor = result == objectTag ? value.constructor : undefined, ctorString = Ctor ? toSource(Ctor) : ''; if (ctorString) { switch (ctorString) { case dataViewCtorString: return dataViewTag; case mapCtorString: return mapTag; case promiseCtorString: return promiseTag; case setCtorString: return setTag; case weakMapCtorString: return weakMapTag; } } return result; }; } module.exports = getTag; /***/ }), /* 62 */ /***/ (function(module, exports, __webpack_require__) { var isObject = __webpack_require__(2); /** * Checks if `value` is suitable for strict equality comparisons, i.e. `===`. * * @private * @param {*} value The value to check. * @returns {boolean} Returns `true` if `value` if suitable for strict * equality comparisons, else `false`. */ function isStrictComparable(value) { return value === value && !isObject(value); } module.exports = isStrictComparable; /***/ }), /* 63 */ /***/ (function(module, exports) { /** * A specialized version of `matchesProperty` for source values suitable * for strict equality comparisons, i.e. `===`. * * @private * @param {string} key The key of the property to get. * @param {*} srcValue The value to match. * @returns {Function} Returns the new spec function. */ function matchesStrictComparable(key, srcValue) { return function(object) { if (object == null) { return false; } return object[key] === srcValue && (srcValue !== undefined || (key in Object(object))); }; } module.exports = matchesStrictComparable; /***/ }), /* 64 */ /***/ (function(module, exports) { /** * Creates a unary function that invokes `func` with its argument transformed. * * @private * @param {Function} func The function to wrap. * @param {Function} transform The argument transform. * @returns {Function} Returns the new function. */ function overArg(func, transform) { return function(arg) { return func(transform(arg)); }; } module.exports = overArg; /***/ }), /* 65 */ /***/ (function(module, exports, __webpack_require__) { var apply = __webpack_require__(112); /* Built-in method references for those with the same name as other `lodash` methods. */ var nativeMax = Math.max; /** * A specialized version of `baseRest` which transforms the rest array. * * @private * @param {Function} func The function to apply a rest parameter to. * @param {number} [start=func.length-1] The start position of the rest parameter. * @param {Function} transform The rest array transform. * @returns {Function} Returns the new function. */ function overRest(func, start, transform) { start = nativeMax(start === undefined ? (func.length - 1) : start, 0); return function() { var args = arguments, index = -1, length = nativeMax(args.length - start, 0), array = Array(length); while (++index < length) { array[index] = args[start + index]; } index = -1; var otherArgs = Array(start + 1); while (++index < start) { otherArgs[index] = args[index]; } otherArgs[start] = transform(array); return apply(func, this, otherArgs); }; } module.exports = overRest; /***/ }), /* 66 */ /***/ (function(module, exports, __webpack_require__) { var baseSetToString = __webpack_require__(134), shortOut = __webpack_require__(186); /** * Sets the `toString` method of `func` to return `string`. * * @private * @param {Function} func The function to modify. * @param {Function} string The `toString` result. * @returns {Function} Returns `func`. */ var setToString = shortOut(baseSetToString); module.exports = setToString; /***/ }), /* 67 */ /***/ (function(module, exports) { /** Used for built-in method references. */ var funcProto = Function.prototype; /** Used to resolve the decompiled source of functions. */ var funcToString = funcProto.toString; /** * Converts `func` to its source code. * * @private * @param {Function} func The function to convert. * @returns {string} Returns the source code. */ function toSource(func) { if (func != null) { try { return funcToString.call(func); } catch (e) {} try { return (func + ''); } catch (e) {} } return ''; } module.exports = toSource; /***/ }), /* 68 */ /***/ (function(module, exports, __webpack_require__) { var baseHasIn = __webpack_require__(118), hasPath = __webpack_require__(156); /** * Checks if `path` is a direct or inherited property of `object`. * * @static * @memberOf _ * @since 4.0.0 * @category Object * @param {Object} object The object to query. * @param {Array|string} path The path to check. * @returns {boolean} Returns `true` if `path` exists, else `false`. * @example * * var object = _.create({ 'a': _.create({ 'b': 2 }) }); * * _.hasIn(object, 'a'); * // => true * * _.hasIn(object, 'a.b'); * // => true * * _.hasIn(object, ['a', 'b']); * // => true * * _.hasIn(object, 'b'); * // => false */ function hasIn(object, path) { return object != null && hasPath(object, path, baseHasIn); } module.exports = hasIn; /***/ }), /* 69 */ /***/ (function(module, exports, __webpack_require__) { var arrayLikeKeys = __webpack_require__(48), baseKeys = __webpack_require__(55), isArrayLike = __webpack_require__(14); /** * Creates an array of the own enumerable property names of `object`. * * **Note:** Non-object values are coerced to objects. See the * [ES spec](http://ecma-international.org/ecma-262/7.0/#sec-object.keys) * for more details. * * @static * @since 0.1.0 * @memberOf _ * @category Object * @param {Object} object The object to query. * @returns {Array} Returns the array of property names. * @example * * function Foo() { * this.a = 1; * this.b = 2; * } * * Foo.prototype.c = 3; * * _.keys(new Foo); * // => ['a', 'b'] (iteration order is not guaranteed) * * _.keys('hi'); * // => ['0', '1'] */ function keys(object) { return isArrayLike(object) ? arrayLikeKeys(object) : baseKeys(object); } module.exports = keys; /***/ }), /* 70 */ /***/ (function(module, exports, __webpack_require__) { var basePick = __webpack_require__(129), flatRest = __webpack_require__(149); /** * Creates an object composed of the picked `object` properties. * * @static * @since 0.1.0 * @memberOf _ * @category Object * @param {Object} object The source object. * @param {...(string|string[])} [paths] The property paths to pick. * @returns {Object} Returns the new object. * @example * * var object = { 'a': 1, 'b': '2', 'c': 3 }; * * _.pick(object, ['a', 'c']); * // => { 'a': 1, 'c': 3 } */ var pick = flatRest(function(object, paths) { return object == null ? {} : basePick(object, paths); }); module.exports = pick; /***/ }), /* 71 */ /***/ (function(module, exports) { /** * This method returns a new empty array. * * @static * @memberOf _ * @since 4.13.0 * @category Util * @returns {Array} Returns the new empty array. * @example * * var arrays = _.times(2, _.stubArray); * * console.log(arrays); * // => [[], []] * * console.log(arrays[0] === arrays[1]); * // => false */ function stubArray() { return []; } module.exports = stubArray; /***/ }), /* 72 */ /***/ (function(module, exports) { var g; // This works in non-strict mode g = (function() { return this; })(); try { // This works if eval is allowed (see CSP) g = g || Function("return this")() || (1,eval)("this"); } catch(e) { // This works if the window reference is available if(typeof window === "object") g = window; } // g can still be undefined, but nothing to do about it... // We return undefined, instead of nothing here, so it's // easier to handle this case. if(!global) { ...} module.exports = g; /***/ }), /* 73 */ /***/ (function(module, exports, __webpack_require__) { "use strict"; exports.__esModule = true; var _merge3 = __webpack_require__(15); var _merge4 = _interopRequireDefault(_merge3); __webpack_require__(81); var _scanner = __webpack_require__(99); var _scanner2 = _interopRequireDefault(_scanner); var _image_wrapper = __webpack_require__(27); var _image_wrapper2 = _interopRequireDefault(_image_wrapper); var _image_debug = __webpack_require__(7); var _image_debug2 = _interopRequireDefault(_image_debug); var _result_collector = __webpack_require__(42); var _result_collector2 = _interopRequireDefault(_result_collector); var _config = __webpack_require__(43); var _config2 = _interopRequireDefault(_config); var _config_factory = __webpack_require__(86); function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; } function _fromConfig(config) { var scanner = (0, _scanner2.default)(); var pendingStart = null; var initialized = false; return { addEventListener: function addEventListener(eventType, cb) { scanner.subscribe(eventType, cb); return this; }, removeEventListener: function removeEventListener(eventType, cb) { scanner.unsubscribe(eventType, cb); return this; }, start: function start() { if (scanner.isRunning()) { return Promise.resolve(true); } if (pendingStart) { return pendingStart; } if (initialized) { scanner.start(); return Promise.resolve(true); } pendingStart = new Promise(function (resolve, reject) { scanner.init(config, function (error) { if (error) { console.log(error); reject(error); } initialized = true; scanner.start(); resolve(); pendingStart = null; }); }); return pendingStart; }, stop: function stop() { scanner.stop(); initialized = false; return this; }, toPromise: function toPromise() { var _this = this; if (config.inputStream.type === 'LiveStream' || config.inputStream.type === 'VideoStream') { var cancelRequested = false; return { cancel: function cancel() { cancelRequested = true; }, promise: new Promise(function (resolve, reject) { function onProcessed(result) { if (result && result.codeResult && result.codeResult.code) { scanner.stop(); scanner.unsubscribe("processed", onProcessed); resolve(result); } if (cancelRequested) { scanner.stop(); scanner.unsubscribe("processed", onProcessed); reject("cancelled!"); } } scanner.subscribe("processed", onProcessed); _this.start(); }) }; } else { return new Promise(function (resolve, reject) { scanner.decodeSingle(config, function (result) { if (result && result.codeResult && result.codeResult.code) { return resolve(result); } return reject(result); }); }); } }, registerResultCollector: function registerResultCollector(resultCollector) { scanner.registerResultCollector(resultCollector); }, getCanvas: function getCanvas() { return scanner.canvas.dom.image; } }; } function _fromSource(config, source) { var inputConfig = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : {}; config = (0, _config_factory.createConfigFromSource)(config, inputConfig, source); return _fromConfig(config); } function setConfig() { var configuration = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {}; var _merge2; var key = arguments[1]; var config = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : {}; var mergedConfig = (0, _merge4.default)({}, configuration, (_merge2 = {}, _merge2[key] = config, _merge2)); return createApi(mergedConfig); } function createApi() { var configuration = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : _config2.default; return { fromSource: function fromSource(src, inputConfig) { return _fromSource(configuration, src, inputConfig); }, fromConfig: function fromConfig(conf) { return _fromConfig((0, _merge4.default)({}, configuration, conf)); }, decoder: function decoder(conf) { return setConfig(configuration, "decoder", conf); }, locator: function locator(conf) { return setConfig(configuration, "locator", conf); }, throttle: function throttle(timeInMs) { return setConfig(configuration, "frequency", 1000 / parseInt(timeInMs)); }, config: function config(conf) { return createApi((0, _merge4.default)({}, configuration, conf)); }, ImageWrapper: _image_wrapper2.default, ImageDebug: _image_debug2.default, ResultCollector: _result_collector2.default, _worker: { createScanner: _scanner2.default } }; } exports.default = createApi(); /***/ }), /* 74 */ /***/ (function(module, exports, __webpack_require__) { "use strict"; var CVUtils = __webpack_require__(26), Ndarray = __webpack_require__(208), Interp2D = __webpack_require__(209).d2; var FrameGrabber = {}; FrameGrabber.create = function (inputStream) { var _that = {}, _streamConfig = inputStream.getConfig(), _video_size = CVUtils.imageRef(inputStream.getRealWidth(), inputStream.getRealHeight()), _canvasSize = inputStream.getCanvasSize(), _size = CVUtils.imageRef(inputStream.getWidth(), inputStream.getHeight()), _topRight = inputStream.getTopRight(), _data = new Uint8Array(_size.x * _size.y), _grayData = new Uint8Array(_video_size.x * _video_size.y), _canvasData = new Uint8Array(_canvasSize.x * _canvasSize.y), _grayImageArray = Ndarray(_grayData, [_video_size.y, _video_size.x]).transpose(1, 0), _canvasImageArray = Ndarray(_canvasData, [_canvasSize.y, _canvasSize.x]).transpose(1, 0), _targetImageArray = _canvasImageArray.hi(_topRight.x + _size.x, _topRight.y + _size.y).lo(_topRight.x, _topRight.y), _stepSizeX = _video_size.x / _canvasSize.x, _stepSizeY = _video_size.y / _canvasSize.y; console.log("FrameGrabber", JSON.stringify({ videoSize: _grayImageArray.shape, canvasSize: _canvasImageArray.shape, stepSize: [_stepSizeX, _stepSizeY], size: _targetImageArray.shape, topRight: _topRight })); /** * Uses the given array as frame-buffer */ _that.attachData = function (data) { _data = data; }; /** * Returns the used frame-buffer */ _that.getData = function () { return _data; }; /** * Fetches a frame from the input-stream and puts into the frame-buffer. * The image-data is converted to gray-scale and then half-sampled if configured. */ _that.grab = function () { var frame = inputStream.getFrame(); if (frame) { this.scaleAndCrop(frame); return true; } else { return false; } }; _that.scaleAndCrop = function (frame) { var x, y; // 1. compute full-sized gray image CVUtils.computeGray(frame.data, _grayData); // 2. interpolate for (y = 0; y < _canvasSize.y; y++) { for (x = 0; x < _canvasSize.x; x++) { _canvasImageArray.set(x, y, Interp2D(_grayImageArray, x * _stepSizeX, y * _stepSizeY) | 0); } } // targetImageArray must be equal to targetSize if (_targetImageArray.shape[0] !== _size.x || _targetImageArray.shape[1] !== _size.y) { throw new Error("Shapes do not match!"); } // 3. crop for (y = 0; y < _size.y; y++) { for (x = 0; x < _size.x; x++) { _data[y * _size.x + x] = _targetImageArray.get(x, y); } } }, _that.getSize = function () { return _size; }; return _that; }; module.exports = FrameGrabber; /***/ }), /* 75 */ /***/ (function(module, exports, __webpack_require__) { "use strict"; var GetPixels = __webpack_require__(207); var InputStream = {}; InputStream.createImageStream = function () { var that = {}; var _config = null; var width = 0, height = 0, frameIdx = 0, paused = true, loaded = false, frame = null, baseUrl, ended = false, size, calculatedWidth, calculatedHeight, _eventNames = ['canrecord', 'ended'], _eventHandlers = {}, _topRight = { x: 0, y: 0 }, _canvasSize = { x: 0, y: 0 }; function loadImages() { loaded = false; GetPixels(baseUrl, function (err, pixels) { if (err) { console.log(err); exit(1); } loaded = true; console.log(pixels.shape); frame = pixels; width = pixels.shape[0]; height = pixels.shape[1]; calculatedWidth = _config.size ? width / height > 1 ? _config.size : Math.floor(width / height * _config.size) : width; calculatedHeight = _config.size ? width / height > 1 ? Math.floor(height / width * _config.size) : _config.size : height; _canvasSize.x = calculatedWidth; _canvasSize.y = calculatedHeight; setTimeout(function () { publishEvent("canrecord", []); }, 0); }); } function publishEvent(eventName, args) { var j, handlers = _eventHandlers[eventName]; if (handlers && handlers.length > 0) { for (j = 0; j < handlers.length; j++) { handlers[j].apply(that, args); } } } that.trigger = publishEvent; that.getWidth = function () { return calculatedWidth; }; that.getHeight = function () { return calculatedHeight; }; that.setWidth = function (width) { calculatedWidth = width; }; that.setHeight = function (height) { calculatedHeight = height; }; that.getRealWidth = function () { return width; }; that.getRealHeight = function () { return height; }; that.setInputStream = function (stream) { _config = stream; baseUrl = _config.src; size = 1; loadImages(); }; that.ended = function () { return ended; }; that.setAttribute = function () {}; that.getConfig = function () { return _config; }; that.pause = function () { paused = true; }; that.play = function () { paused = false; }; that.setCurrentTime = function (time) { frameIdx = time; }; that.addEventListener = function (event, f) { if (_eventNames.indexOf(event) !== -1) { if (!_eventHandlers[event]) { _eventHandlers[event] = []; } _eventHandlers[event].push(f); } }; that.setTopRight = function (topRight) { _topRight.x = topRight.x; _topRight.y = topRight.y; }; that.getTopRight = function () { return _topRight; }; that.setCanvasSize = function (size) { _canvasSize.x = size.x; _canvasSize.y = size.y; }; that.getCanvasSize = function () { return _canvasSize; }; that.getFrame = function () { if (!loaded) { return null; } return frame; }; return that; }; module.exports = InputStream; /***/ }), /* 76 */ /***/ (function(module, exports, __webpack_require__) { "use strict"; exports.__esModule = true; var vec2 = { clone: __webpack_require__(9), dot: __webpack_require__(46) }; /** * Creates a cluster for grouping similar orientations of datapoints */ exports.default = { create: function create(point, threshold) { var points = [], center = { rad: 0, vec: vec2.clone([0, 0]) }, pointMap = {}; function init() { _add(point); updateCenter(); } function _add(pointToAdd) { pointMap[pointToAdd.id] = pointToAdd; points.push(pointToAdd); } function updateCenter() { var i, sum = 0; for (i = 0; i < points.length; i++) { sum += points[i].rad; } center.rad = sum / points.length; center.vec = vec2.clone([Math.cos(center.rad), Math.sin(center.rad)]); } init(); return { add: function add(pointToAdd) { if (!pointMap[pointToAdd.id]) { _add(pointToAdd); updateCenter(); } }, fits: function fits(otherPoint) { // check cosine similarity to center-angle var similarity = Math.abs(vec2.dot(otherPoint.point.vec, center.vec)); if (similarity > threshold) { return true; } return false; }, getPoints: function getPoints() { return points; }, getCenter: function getCenter() { return center; } }; }, createPoint: function createPoint(newPoint, id, property) { return { rad: newPoint[property], point: newPoint, id: id }; } }; /***/ }), /* 77 */ /***/ (function(module, exports, __webpack_require__) { "use strict"; exports.__esModule = true; var _extends = Object.assign || function (target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i]; for (var key in source) { if (Object.prototype.hasOwnProperty.call(source, key)) { target[key] = source[key]; } } } return target; }; var hasWindow = typeof window !== 'undefined'; var windowRef = hasWindow ? window : {}; var windowObjects = ["MediaStream", "HTMLImageElement", "HTMLVideoElement", "HTMLCanvasElement", "FileList", "File", "URL"]; var DOMHelper = windowObjects.reduce(function (result, obj) { var _extends2; return _extends({}, result, (_extends2 = {}, _extends2[obj] = obj in windowRef ? windowRef[obj] : function () {}, _extends2)); }, {}); DOMHelper.setObject = function (key, value) { DOMHelper[key] = value; }; exports.default = DOMHelper; /***/ }), /* 78 */ /***/ (function(module, exports, __webpack_require__) { "use strict"; exports.__esModule = true; exports.default = createEventedElement; function createEventedElement() { var events = {}; function getEvent(eventName) { if (!events[eventName]) { events[eventName] = { subscribers: [] }; } return events[eventName]; } function clearEvents() { events = {}; } function publishSubscription(subscription, data) { if (subscription.async) { setTimeout(function () { subscription.callback(data); }, 4); } else { subscription.callback(data); } } function _subscribe(event, callback, async) { var subscription; if (typeof callback === "function") { subscription = { callback: callback, async: async }; } else { subscription = callback; if (!subscription.callback) { throw "Callback was not specified on options"; } } getEvent(event).subscribers.push(subscription); } return { subscribe: function subscribe(event, callback, async) { return _subscribe(event, callback, async); }, publish: function publish(eventName, data) { var event = getEvent(eventName), subscribers = event.subscribers; // Publish one-time subscriptions subscribers.filter(function (subscriber) { return !!subscriber.once; }).forEach(function (subscriber) { publishSubscription(subscriber, data); }); // remove them from the subscriber event.subscribers = subscribers.filter(function (subscriber) { return !subscriber.once; }); // publish the rest event.subscribers.forEach(function (subscriber) { publishSubscription(subscriber, data); }); }, once: function once(event, callback, async) { _subscribe(event, { callback: callback, async: async, once: true }); }, unsubscribe: function unsubscribe(eventName, callback) { var event; if (eventName) { event = getEvent(eventName); if (event && callback) { event.subscribers = event.subscribers.filter(function (subscriber) { return subscriber.callback !== callback; }); } else { event.subscribers = []; } } else { clearEvents(); } } }; }; /***/ }), /* 79 */ /***/ (function(module, exports, __webpack_require__) { "use strict"; exports.__esModule = true; exports.enumerateDevices = enumerateDevices; exports.getUserMedia = getUserMedia; function enumerateDevices() { if (navigator.mediaDevices && typeof navigator.mediaDevices.enumerateDevices === 'function') { return navigator.mediaDevices.enumerateDevices(); } return Promise.reject(new Error('enumerateDevices is not defined')); }; function getUserMedia(constraints) { if (navigator.mediaDevices && typeof navigator.mediaDevices.getUserMedia === 'function') { return navigator.mediaDevices.getUserMedia(constraints); } return Promise.reject(new Error('getUserMedia is not defined')); } /***/ }), /* 80 */ /***/ (function(module, exports, __webpack_require__) { "use strict"; exports.__esModule = true; /** * Construct representing a part of another {ImageWrapper}. Shares data * between the parent and the child. * @param from {ImageRef} The position where to start the {SubImage} from. (top-left corner) * @param size {ImageRef} The size of the resulting image * @param I {ImageWrapper} The {ImageWrapper} to share from * @returns {SubImage} A shared part of the original image */ function SubImage(from, size, I) { if (!I) { I = { data: null, size: size }; } this.data = I.data; this.originalSize = I.size; this.I = I; this.from = from; this.size = size; } /** * Displays the {SubImage} in a given canvas * @param canvas {Canvas} The canvas element to write to * @param scale {Number} Scale which is applied to each pixel-value */ SubImage.prototype.show = function (canvas, scale) { var ctx, frame, data, current, y, x, pixel; if (!scale) { scale = 1.0; } ctx = canvas.getContext('2d'); canvas.width = this.size.x; canvas.height = this.size.y; frame = ctx.getImageData(0, 0, canvas.width, canvas.height); data = frame.data; current = 0; for (y = 0; y < this.size.y; y++) { for (x = 0; x < this.size.x; x++) { pixel = y * this.size.x + x; current = this.get(x, y) * scale; data[pixel * 4 + 0] = current; data[pixel * 4 + 1] = current; data[pixel * 4 + 2] = current; data[pixel * 4 + 3] = 255; } } frame.data = data; ctx.putImageData(frame, 0, 0); }; /** * Retrieves a given pixel position from the {SubImage} * @param x {Number} The x-position * @param y {Number} The y-position * @returns {Number} The grayscale value at the pixel-position */ SubImage.prototype.get = function (x, y) { return this.data[(this.from.y + y) * this.originalSize.x + this.from.x + x]; }; /** * Updates the underlying data from a given {ImageWrapper} * @param image {ImageWrapper} The updated image */ SubImage.prototype.updateData = function (image) { this.originalSize = image.size; this.data = image.data; }; /** * Updates the position of the shared area * @param from {x,y} The new location * @returns {SubImage} returns {this} for possible chaining */ SubImage.prototype.updateFrom = function (from) { this.from = from; return this; }; exports.default = SubImage; /***/ }), /* 81 */ /***/ (function(module, exports, __webpack_require__) { "use strict"; /* * typedefs.js * Normalizes browser-specific prefixes */ if (typeof window !== 'undefined') { window.requestAnimFrame = function () { return window.requestAnimationFrame || window.webkitRequestAnimationFrame || window.mozRequestAnimationFrame || window.oRequestAnimationFrame || window.msRequestAnimationFrame || function ( /* function FrameRequestCallback */callback) { window.setTimeout(callback, 1000 / 60); }; }(); } Math.imul = Math.imul || function (a, b) { var ah = a >>> 16 & 0xffff, al = a & 0xffff, bh = b >>> 16 & 0xffff, bl = b & 0xffff; // the shift by 0 fixes the sign on the high part // the final |0 converts the unsigned value into a signed value return al * bl + (ah * bl + al * bh << 16 >>> 0) | 0; }; if (typeof Object.assign !== 'function') { Object.assign = function (target) { // .length of function is 2 'use strict'; if (target === null) { // TypeError if undefined or null throw new TypeError('Cannot convert undefined or null to object'); } var to = Object(target); for (var index = 1; index < arguments.length; index++) { var nextSource = arguments[index]; if (nextSource !== null) { // Skip over if undefined or null for (var nextKey in nextSource) { // Avoid bugs when hasOwnProperty is shadowed if (Object.prototype.hasOwnProperty.call(nextSource, nextKey)) { to[nextKey] = nextSource[nextKey]; } } } } return to; }; } /***/ }), /* 82 */ /***/ (function(module, exports, __webpack_require__) { "use strict"; module.exports = { inputStream: { type: "ImageStream", sequence: false, size: 800, area: { top: "0%", right: "0%", left: "0%", bottom: "0%" }, singleChannel: false // true: only the red color-channel is read }, locate: true, numOfWorkers: 0, decoder: { readers: ['code_128_reader'] }, locator: { halfSample: true, patchSize: "medium" // x-small, small, medium, large, x-large } }; /***/ }), /* 83 */ /***/ (function(module, exports, __webpack_require__) { "use strict"; exports.__esModule = true; var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; var _bresenham = __webpack_require__(84); var _bresenham2 = _interopRequireDefault(_bresenham); var _image_debug = __webpack_require__(7); var _image_debug2 = _interopRequireDefault(_image_debug); var _code_128_reader = __webpack_require__(91); var _code_128_reader2 = _interopRequireDefault(_code_128_reader); var _ean_reader = __webpack_require__(5); var _ean_reader2 = _interopRequireDefault(_ean_reader); var _code_39_reader = __webpack_require__(45); var _code_39_reader2 = _interopRequireDefault(_code_39_reader); var _code_39_vin_reader = __webpack_require__(92); var _code_39_vin_reader2 = _interopRequireDefault(_code_39_vin_reader); var _codabar_reader = __webpack_require__(90); var _codabar_reader2 = _interopRequireDefault(_codabar_reader); var _upc_reader = __webpack_require__(98); var _upc_reader2 = _interopRequireDefault(_upc_reader); var _ean_8_reader = __webpack_require__(95); var _ean_8_reader2 = _interopRequireDefault(_ean_8_reader); var _ean_2_reader = __webpack_require__(93); var _ean_2_reader2 = _interopRequireDefault(_ean_2_reader); var _ean_5_reader = __webpack_require__(94); var _ean_5_reader2 = _interopRequireDefault(_ean_5_reader); var _upc_e_reader = __webpack_require__(97); var _upc_e_reader2 = _interopRequireDefault(_upc_e_reader); var _i2of5_reader = __webpack_require__(96); var _i2of5_reader2 = _interopRequireDefault(_i2of5_reader); function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; } var READERS = { code_128_reader: _code_128_reader2.default, ean_reader: _ean_reader2.default, ean_5_reader: _ean_5_reader2.default, ean_2_reader: _ean_2_reader2.default, ean_8_reader: _ean_8_reader2.default, code_39_reader: _code_39_reader2.default, code_39_vin_reader: _code_39_vin_reader2.default, codabar_reader: _codabar_reader2.default, upc_reader: _upc_reader2.default, upc_e_reader: _upc_e_reader2.default, i2of5_reader: _i2of5_reader2.default }; exports.default = { create: function create(config, inputImageWrapper) { var _canvas = { ctx: { frequency: null, pattern: null, overlay: null }, dom: { frequency: null, pattern: null, overlay: null } }, _barcodeReaders = []; initCanvas(); initReaders(); initConfig(); function initCanvas() { if (false) { var $debug = document.querySelector("#debug.detection"); _canvas.dom.frequency = document.querySelector("canvas.frequency"); if (!_canvas.dom.frequency) { _canvas.dom.frequency = document.createElement("canvas"); _canvas.dom.frequency.className = "frequency"; if ($debug) { $debug.appendChild(_canvas.dom.frequency); } } _canvas.ctx.frequency = _canvas.dom.frequency.getContext("2d"); _canvas.dom.pattern = document.querySelector("canvas.patternBuffer"); if (!_canvas.dom.pattern) { _canvas.dom.pattern = document.createElement("canvas"); _canvas.dom.pattern.className = "patternBuffer"; if ($debug) { $debug.appendChild(_canvas.dom.pattern); } } _canvas.ctx.pattern = _canvas.dom.pattern.getContext("2d"); if ($debug) { _canvas.dom.overlay = document.querySelector("canvas.drawingBuffer"); if (!_canvas.dom.overlay) { _canvas.dom.overlay = document.createElement("canvas"); _canvas.dom.overlay.className = "drawingBuffer"; $debug.appendChild(_canvas.dom.overlay); } _canvas.ctx.overlay = _canvas.dom.overlay.getContext("2d"); } } } function initReaders() { config.readers.forEach(function (readerConfig) { var reader, configuration = {}, supplements = []; if ((typeof readerConfig === 'undefined' ? 'undefined' : _typeof(readerConfig)) === 'object') { reader = readerConfig.format; configuration = readerConfig.config; } else if (typeof readerConfig === 'string') { reader = readerConfig; } if (false) { console.log("Before registering reader: ", reader); } if (configuration.supplements) { supplements = configuration.supplements.map(function (supplement) { return new READERS[supplement](); }); } _barcodeReaders.push(new READERS[reader](configuration, supplements)); }); if (false) { console.log("Registered Readers: " + _barcodeReaders.map(function (reader) { return JSON.stringify({ format: reader.FORMAT, config: reader.config }); }).join(', ')); } } function initConfig() { if (false) { var i, vis = [{ node: _canvas.dom.frequency, prop: config.debug.showFrequency }, { node: _canvas.dom.pattern, prop: config.debug.showPattern }]; for (i = 0; i < vis.length; i++) { if (vis[i].prop === true) { vis[i].node.style.display = "block"; } else { vis[i].node.style.display = "none"; } } } } /** * extend the line on both ends * @param {Array} line * @param {Number} angle */ function getExtendedLine(line, angle, ext) { function extendLine(amount) { var extension = { y: amount * Math.sin(angle), x: amount * Math.cos(angle) }; line[0].y -= extension.y; line[0].x -= extension.x; line[1].y += extension.y; line[1].x += extension.x; } // check if inside image extendLine(ext); while (ext > 1 && (!inputImageWrapper.inImageWithBorder(line[0], 0) || !inputImageWrapper.inImageWithBorder(line[1], 0))) { ext -= Math.ceil(ext / 2); extendLine(-ext); } return line; } function getLine(box) { return [{ x: (box[1][0] - box[0][0]) / 2 + box[0][0], y: (box[1][1] - box[0][1]) / 2 + box[0][1] }, { x: (box[3][0] - box[2][0]) / 2 + box[2][0], y: (box[3][1] - box[2][1]) / 2 + box[2][1] }]; } function tryDecode(line) { var result = null, i, barcodeLine = _bresenham2.default.getBarcodeLine(inputImageWrapper, line[0], line[1]); if (false) { _image_debug2.default.drawPath(line, { x: 'x', y: 'y' }, _canvas.ctx.overlay, { color: 'red', lineWidth: 3 }); _bresenham2.default.debug.printFrequency(barcodeLine.line, _canvas.dom.frequency); } _bresenham2.default.toBinaryLine(barcodeLine); if (false) { _bresenham2.default.debug.printPattern(barcodeLine.line, _canvas.dom.pattern); } for (i = 0; i < _barcodeReaders.length && result === null; i++) { result = _barcodeReaders[i].decodePattern(barcodeLine.line); } if (result === null) { return null; } return { codeResult: result, barcodeLine: barcodeLine }; } /** * This method slices the given area apart and tries to detect a barcode-pattern * for each slice. It returns the decoded barcode, or null if nothing was found * @param {Array} box * @param {Array} line * @param {Number} lineAngle */ function tryDecodeBruteForce(box, line, lineAngle) { var sideLength = Math.sqrt(Math.pow(box[1][0] - box[0][0], 2) + Math.pow(box[1][1] - box[0][1], 2)), i, slices = 16, result = null, dir, extension, xdir = Math.sin(lineAngle), ydir = Math.cos(lineAngle); for (i = 1; i < slices && result === null; i++) { // move line perpendicular to angle dir = sideLength / slices * i * (i % 2 === 0 ? -1 : 1); extension = { y: dir * xdir, x: dir * ydir }; line[0].y += extension.x; line[0].x -= extension.y; line[1].y += extension.x; line[1].x -= extension.y; result = tryDecode(line); } return result; } function getLineLength(line) { return Math.sqrt(Math.pow(Math.abs(line[1].y - line[0].y), 2) + Math.pow(Math.abs(line[1].x - line[0].x), 2)); } /** * With the help of the configured readers (Code128 or EAN) this function tries to detect a * valid barcode pattern within the given area. * @param {Object} box The area to search in * @returns {Object} the result {codeResult, line, angle, pattern, threshold} */ function _decodeFromBoundingBox(box) { var line, lineAngle, ctx = _canvas.ctx.overlay, result, lineLength; if (false) { if (config.debug.drawBoundingBox && ctx) { _image_debug2.default.drawPath(box, { x: 0, y: 1 }, ctx, { color: "blue", lineWidth: 2 }); } } line = getLine(box); lineLength = getLineLength(line); lineAngle = Math.atan2(line[1].y - line[0].y, line[1].x - line[0].x); line = getExtendedLine(line, lineAngle, Math.floor(lineLength * 0.1)); if (line === null) { return null; } result = tryDecode(line); if (result === null) { result = tryDecodeBruteForce(box, line, lineAngle); } if (result === null) { return null; } if (false) { _image_debug2.default.drawPath(line, { x: 'x', y: 'y' }, ctx, { color: 'red', lineWidth: 3 }); } return { codeResult: result.codeResult, line: line, angle: lineAngle, pattern: result.barcodeLine.line, threshold: result.barcodeLine.threshold }; } return { decodeFromBoundingBox: function decodeFromBoundingBox(box) { return _decodeFromBoundingBox(box); }, decodeFromBoundingBoxes: function decodeFromBoundingBoxes(boxes) { var i, result, barcodes = [], multiple = config.multiple; for (i = 0; i < boxes.length; i++) { var box = boxes[i]; result = _decodeFromBoundingBox(box) || {}; result.box = box; if (multiple) { barcodes.push(result); } else if (result.codeResult) { return result; } } if (multiple) { return { barcodes: barcodes }; } }, setReaders: function setReaders(readers) { config.readers = readers; _barcodeReaders.length = 0; initReaders(); } }; } }; /***/ }), /* 84 */ /***/ (function(module, exports, __webpack_require__) { "use strict"; exports.__esModule = true; var Bresenham = {}; var Slope = { DIR: { UP: 1, DOWN: -1 } }; /** * Scans a line of the given image from point p1 to p2 and returns a result object containing * gray-scale values (0-255) of the underlying pixels in addition to the min * and max values. * @param {Object} imageWrapper * @param {Object} p1 The start point {x,y} * @param {Object} p2 The end point {x,y} * @returns {line, min, max} */ Bresenham.getBarcodeLine = function (imageWrapper, p1, p2) { var x0 = p1.x | 0, y0 = p1.y | 0, x1 = p2.x | 0, y1 = p2.y | 0, steep = Math.abs(y1 - y0) > Math.abs(x1 - x0), deltax, deltay, error, ystep, y, tmp, x, line = [], imageData = imageWrapper.data, width = imageWrapper.size.x, sum = 0, val, min = 255, max = 0; function read(a, b) { val = imageData[b * width + a]; sum += val; min = val < min ? val : min; max = val > max ? val : max; line.push(val); } if (steep) { tmp = x0; x0 = y0; y0 = tmp; tmp = x1; x1 = y1; y1 = tmp; } if (x0 > x1) { tmp = x0; x0 = x1; x1 = tmp; tmp = y0; y0 = y1; y1 = tmp; } deltax = x1 - x0; deltay = Math.abs(y1 - y0); error = deltax / 2 | 0; y = y0; ystep = y0 < y1 ? 1 : -1; for (x = x0; x < x1; x++) { if (steep) { read(y, x); } else { read(x, y); } error = error - deltay; if (error < 0) { y = y + ystep; error = error + deltax; } } return { line: line, min: min, max: max }; }; /** * Converts the result from getBarcodeLine into a binary representation * also considering the frequency and slope of the signal for more robust results * @param {Object} result {line, min, max} */ Bresenham.toBinaryLine = function (result) { var min = result.min, max = result.max, line = result.line, slope, slope2, center = min + (max - min) / 2, extrema = [], currentDir, dir, threshold = (max - min) / 12, rThreshold = -threshold, i, j; // 1. find extrema currentDir = line[0] > center ? Slope.DIR.UP : Slope.DIR.DOWN; extrema.push({ pos: 0, val: line[0] }); for (i = 0; i < line.length - 2; i++) { slope = line[i + 1] - line[i]; slope2 = line[i + 2] - line[i + 1]; if (slope + slope2 < rThreshold && line[i + 1] < center * 1.5) { dir = Slope.DIR.DOWN; } else if (slope + slope2 > threshold && line[i + 1] > center * 0.5) { dir = Slope.DIR.UP; } else { dir = currentDir; } if (currentDir !== dir) { extrema.push({ pos: i, val: line[i] }); currentDir = dir; } } extrema.push({ pos: line.length, val: line[line.length - 1] }); for (j = extrema[0].pos; j < extrema[1].pos; j++) { line[j] = line[j] > center ? 0 : 1; } // iterate over extrema and convert to binary based on avg between minmax for (i = 1; i < extrema.length - 1; i++) { if (extrema[i + 1].val > extrema[i].val) { threshold = extrema[i].val + (extrema[i + 1].val - extrema[i].val) / 3 * 2 | 0; } else { threshold = extrema[i + 1].val + (extrema[i].val - extrema[i + 1].val) / 3 | 0; } for (j = extrema[i].pos; j < extrema[i + 1].pos; j++) { line[j] = line[j] > threshold ? 0 : 1; } } return { line: line, threshold: threshold }; }; /** * Used for development only */ Bresenham.debug = { printFrequency: function printFrequency(line, canvas) { var i, ctx = canvas.getContext("2d"); canvas.width = line.length; canvas.height = 256; ctx.beginPath(); ctx.strokeStyle = "blue"; for (i = 0; i < line.length; i++) { ctx.moveTo(i, 255); ctx.lineTo(i, 255 - line[i]); } ctx.stroke(); ctx.closePath(); }, printPattern: function printPattern(line, canvas) { var ctx = canvas.getContext("2d"), i; canvas.width = line.length; ctx.fillColor = "black"; for (i = 0; i < line.length; i++) { if (line[i] === 1) { ctx.fillRect(i, 0, 1, 100); } } } }; exports.default = Bresenham; /***/ }), /* 85 */ /***/ (function(module, exports, __webpack_require__) { "use strict"; exports.__esModule = true; var _pick2 = __webpack_require__(70); var _pick3 = _interopRequireDefault(_pick2); exports.pickConstraints = pickConstraints; var _mediaDevices = __webpack_require__(79); function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; } var facingMatching = { "user": /front/i, "environment": /back/i }; var streamRef; function waitForVideo(video) { return new Promise(function (resolve, reject) { var attempts = 10; function checkVideo() { if (attempts > 0) { if (video.videoWidth > 0 && video.videoHeight > 0) { if (false) { console.log(video.videoWidth + "px x " + video.videoHeight + "px"); } resolve(); } else { window.setTimeout(checkVideo, 500); } } else { reject('Unable to play video stream. Is webcam working?'); } attempts--; } checkVideo(); }); } /** * Tries to attach the camera-stream to a given video-element * and calls the callback function when the content is ready * @param {Object} constraints * @param {Object} video */ function initCamera(video, constraints) { return (0, _mediaDevices.getUserMedia)(constraints).then(function (stream) { return new Promise(function (resolve) { streamRef = stream; video.setAttribute("autoplay", 'true'); video.srcObject = stream; video.addEventListener('loadedmetadata', function () { video.play(); resolve(); }); }); }).then(waitForVideo.bind(null, video)); } function deprecatedConstraints(videoConstraints) { var normalized = (0, _pick3.default)(videoConstraints, ["width", "height", "facingMode", "aspectRatio", "deviceId"]); if (typeof videoConstraints.minAspectRatio !== 'undefined' && videoConstraints.minAspectRatio > 0) { normalized.aspectRatio = videoConstraints.minAspectRatio; console.log("WARNING: Constraint 'minAspectRatio' is deprecated; Use 'aspectRatio' instead"); } if (typeof videoConstraints.facing !== 'undefined') { normalized.facingMode = videoConstraints.facing; console.log("WARNING: Constraint 'facing' is deprecated. Use 'facingMode' instead'"); } return normalized; } function pickConstraints(videoConstraints) { var normalizedConstraints = { audio: false, video: deprecatedConstraints(videoConstraints) }; if (normalizedConstraints.video.deviceId && normalizedConstraints.video.facingMode) { delete normalizedConstraints.video.facingMode; } return Promise.resolve(normalizedConstraints); } function enumerateVideoDevices() { return (0, _mediaDevices.enumerateDevices)().then(function (devices) { return devices.filter(function (device) { return device.kind === 'videoinput'; }); }); } exports.default = { request: function request(video, videoConstraints) { return pickConstraints(videoConstraints).then(initCamera.bind(null, video)); }, release: function release() { var tracks = streamRef && streamRef.getVideoTracks(); if (tracks && tracks.length) { tracks[0].stop(); } streamRef = null; }, enumerateVideoDevices: enumerateVideoDevices, getActiveStreamLabel: function getActiveStreamLabel() { if (streamRef) { var tracks = streamRef.getVideoTracks(); if (tracks && tracks.length) { return tracks[0].label; } } } }; /***/ }), /* 86 */ /***/ (function(module, exports, __webpack_require__) { "use strict"; exports.__esModule = true; var _isEmpty2 = __webpack_require__(197); var _isEmpty3 = _interopRequireDefault(_isEmpty2); var _omitBy2 = __webpack_require__(201); var _omitBy3 = _interopRequireDefault(_omitBy2); var _pick2 = __webpack_require__(70); var _pick3 = _interopRequireDefault(_pick2); var _merge2 = __webpack_require__(15); var _merge3 = _interopRequireDefault(_merge2); var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; exports.createConfigFromSource = createConfigFromSource; var _dom_helper = __webpack_require__(77); var _dom_helper2 = _interopRequireDefault(_dom_helper); function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; } var isDataURL = { regex: /^\s*data:([a-z]+\/[a-z0-9\-\+]+(;[a-z\-]+\=[a-z0-9\-]+)?)?(;base64)?,[a-z0-9\!\$\&\'\,\(\)\*\+\,\;\=\-\.\_\~\:\@\/\?\%\s]*\s*$/i }, // eslint-disable-line max-len isBlobURL = { regex: /^\s*blob:(.*)$/i }, isMediaURL = { regex: /^(?:(?:http[s]?|ftp):\/)?\/?(?:(?:[^:\/\s]+)(?:(?:\/\w+)*\/))?([\w\-]+\.([^#?\s]+))(?:.*)?(?:#[\w\-]+)?$/i }, // eslint-disable-line max-len isImageExt = { regex: /(jpe?g|png|gif|tiff)(?:\s+|$)/i }, isVideoExt = { regex: /(webm|ogg|mp4|m4v)/i }; function createConfigFromSource(config, sourceConfig, source) { if (source instanceof _dom_helper2.default.MediaStream) { return createConfigForStream(config, sourceConfig, { srcObject: source }); } else if (source instanceof _dom_helper2.default.HTMLImageElement) { throw new Error('Source "HTMLImageElement": not yet supported'); // return createConfigForImage(config, inputConfig, {image: source}); } else if (source instanceof _dom_helper2.default.HTMLVideoElement) { throw new Error('Source "HTMLVideoElement": not yet supported'); // return createConfigForVideo(config, inputConfig, {video: source}); } else if (source instanceof _dom_helper2.default.HTMLCanvasElement) { return createConfigForCanvas(config, sourceConfig, { canvas: source }); } else if (source instanceof _dom_helper2.default.FileList) { if (source.length > 0) { return createConfigForFile(config, sourceConfig, source[0]); } } else if (source instanceof _dom_helper2.default.File) { return createConfigForFile(config, sourceConfig, source); } else if (typeof source === 'string') { return createConfigForString(config, sourceConfig, source); } else if ((typeof source === 'undefined' ? 'undefined' : _typeof(source)) === 'object' && (typeof source.constraints !== 'undefined' || typeof source.area !== 'undefined')) { return createConfigForLiveStream(config, source); } else { throw new Error("No source given!"); } } function createConfigForImage(config, source) { var inputConfig = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : {}; var staticImageConfig = { inputStream: (0, _merge3.default)({ type: "ImageStream", sequence: false, size: 800 }, source), numOfWorkers: false ? 0 : 1 }; return (0, _merge3.default)(config, staticImageConfig, { numOfWorkers: typeof config.numOfWorkers === 'number' && config.numOfWorkers > 0 ? 1 : 0 }, { inputStream: (0, _omitBy3.default)((0, _pick3.default)(config.inputStream, ['size']), _isEmpty3.default) }, { inputStream: inputConfig }); } function createConfigForMimeType(config, inputConfig, _ref) { var src = _ref.src, mime = _ref.mime; var _ref2 = mime.match(/^(video|image)\/(.*)$/i) || [], type = _ref2[1]; if (type === 'video') { return createConfigForVideo(config, { src: src }, inputConfig); } else if (type === 'image') { return createConfigForImage(config, { src: src }, inputConfig); } throw new Error('Source with mimetype: "' + type + '" not supported'); } function createConfigForFile(config, inputConfig, file) { var src = _dom_helper2.default.URL.createObjectURL(file); return createConfigForMimeType(config, inputConfig, { src: src, mime: file.type }); } function createConfigForString(config) { var inputConfig = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {}; var source = arguments[2]; var _ref3 = source.match(isDataURL.regex) || [], mime = _ref3[1]; if (mime) { return createConfigForMimeType(config, inputConfig, { src: source, mime: mime }); } var blobURL = source.match(isBlobURL.regex); if (blobURL) { throw new Error('Source "objectURL": not supported'); } var _ref4 = source.match(isMediaURL.regex) || [], ext = _ref4[2]; if (ext) { return createConfigForMediaExtension(config, inputConfig, { src: source, ext: ext }); } throw new Error('Source "' + source + '": not recognized'); } function createConfigForMediaExtension(config, inputConfig, _ref5) { var src = _ref5.src, ext = _ref5.ext; if (ext.match(isImageExt.regex)) { return createConfigForImage(config, { src: src }, inputConfig); } else if (ext.match(isVideoExt.regex)) { return createConfigForVideo(config, { src: src }, inputConfig); } throw new Error('Source "MediaString": not recognized'); } function createConfigForCanvas(config, _ref6) { var canvas = _ref6.canvas; var inputConfig = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : {}; // TODO: adjust stream & frame-grabber // once/continous throw new Error('Source "Canvas": not implemented!'); } function createConfigForVideo(config, source) { var inputConfig = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : {}; return (0, _merge3.default)({}, config, { inputStream: (0, _merge3.default)({ type: "VideoStream" }, source) }, { inputStream: inputConfig }); } function createConfigForStream(config, _ref7) { var srcObject = _ref7.srcObject; var inputConfig = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : {}; // TODO: attach to