module.exports = /******/ (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] = { /******/ exports: {}, /******/ id: moduleId, /******/ loaded: false /******/ }; /******/ /******/ // Execute the module function /******/ modules[moduleId].call(module.exports, module, module.exports, __webpack_require__); /******/ /******/ // Flag the module as loaded /******/ module.loaded = 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; /******/ /******/ // __webpack_public_path__ /******/ __webpack_require__.p = "/"; /******/ /******/ // Load entry module and return exports /******/ return __webpack_require__(0); /******/ }) /************************************************************************/ /******/ ([ /* 0 */ /***/ function(module, exports, __webpack_require__) { module.exports = __webpack_require__(1); /***/ }, /* 1 */ /***/ function(module, exports, __webpack_require__) { 'use strict'; Object.defineProperty(exports, '__esModule', { value: true }); function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { 'default': obj }; } var _typedefs = __webpack_require__(2); var _typedefs2 = _interopRequireDefault(_typedefs); // eslint-disable-line no-unused-vars var _image_wrapper = __webpack_require__(3); var _image_wrapper2 = _interopRequireDefault(_image_wrapper); var _barcode_locator = __webpack_require__(9); var _barcode_locator2 = _interopRequireDefault(_barcode_locator); var _barcode_decoder = __webpack_require__(14); var _barcode_decoder2 = _interopRequireDefault(_barcode_decoder); var _config2 = __webpack_require__(59); var _config3 = _interopRequireDefault(_config2); var _events = __webpack_require__(60); var _events2 = _interopRequireDefault(_events); var _camera_access = __webpack_require__(61); var _camera_access2 = _interopRequireDefault(_camera_access); var _image_debug = __webpack_require__(13); var _image_debug2 = _interopRequireDefault(_image_debug); var _glMatrix = __webpack_require__(7); var _result_collector = __webpack_require__(62); var _result_collector2 = _interopRequireDefault(_result_collector); var merge = __webpack_require__(26); var InputStream = __webpack_require__(63); var FrameGrabber = __webpack_require__(65); var _inputStream, _framegrabber, _stopped, _canvasContainer = { ctx: { image: null, overlay: null }, dom: { image: null, overlay: null } }, _inputImageWrapper, _boxSize, _decoder, _workerPool = [], _onUIThread = true, _resultCollector, _config = {}; function initializeData(imageWrapper) { initBuffers(imageWrapper); _decoder = _barcode_decoder2['default'].create(_config.decoder, _inputImageWrapper); } function initConfig() { if (typeof document !== "undefined") { var vis = [{ node: document.querySelector("div[data-controls]"), prop: _config.controls }, { node: _canvasContainer.dom.overlay, prop: _config.visual.show }]; for (var i = 0; i < vis.length; i++) { if (vis[i].node) { if (vis[i].prop === true) { vis[i].node.style.display = "block"; } else { vis[i].node.style.display = "none"; } } } } } function initInputStream(cb) { var video; if (_config.inputStream.type === "VideoStream") { video = document.createElement("video"); _inputStream = InputStream.createVideoStream(video); } else if (_config.inputStream.type === "ImageStream") { _inputStream = InputStream.createImageStream(); } else if (_config.inputStream.type === "LiveStream") { var $viewport = document.querySelector("#interactive.viewport"); if ($viewport) { video = $viewport.querySelector("video"); if (!video) { video = document.createElement("video"); $viewport.appendChild(video); } } _inputStream = InputStream.createLiveStream(video); _camera_access2['default'].request(video, _config.inputStream.constraints, function (err) { if (!err) { _inputStream.trigger("canrecord"); } else { return cb(err); } }); } _inputStream.setAttribute("preload", "auto"); _inputStream.setAttribute("autoplay", true); _inputStream.setInputStream(_config.inputStream); _inputStream.addEventListener("canrecord", canRecord.bind(undefined, cb)); } function canRecord(cb) { _barcode_locator2['default'].checkImageConstraints(_inputStream, _config.locator); initCanvas(); _framegrabber = FrameGrabber.create(_inputStream, _canvasContainer.dom.image); initConfig(); if (_config.numOfWorkers > 0) { initWorkers(function () { console.log("Workers created"); ready(cb); }); } else { initializeData(); ready(cb); } } function ready(cb) { _inputStream.play(); cb(); } function initCanvas() { if (typeof document !== "undefined") { var $viewport = document.querySelector("#interactive.viewport"); _canvasContainer.dom.image = document.querySelector("canvas.imgBuffer"); if (!_canvasContainer.dom.image) { _canvasContainer.dom.image = document.createElement("canvas"); _canvasContainer.dom.image.className = "imgBuffer"; if ($viewport && _config.inputStream.type === "ImageStream") { $viewport.appendChild(_canvasContainer.dom.image); } } _canvasContainer.ctx.image = _canvasContainer.dom.image.getContext("2d"); _canvasContainer.dom.image.width = _inputStream.getCanvasSize().x; _canvasContainer.dom.image.height = _inputStream.getCanvasSize().y; _canvasContainer.dom.overlay = document.querySelector("canvas.drawingBuffer"); if (!_canvasContainer.dom.overlay) { _canvasContainer.dom.overlay = document.createElement("canvas"); _canvasContainer.dom.overlay.className = "drawingBuffer"; if ($viewport) { $viewport.appendChild(_canvasContainer.dom.overlay); } var clearFix = document.createElement("br"); clearFix.setAttribute("clear", "all"); if ($viewport) { $viewport.appendChild(clearFix); } } _canvasContainer.ctx.overlay = _canvasContainer.dom.overlay.getContext("2d"); _canvasContainer.dom.overlay.width = _inputStream.getCanvasSize().x; _canvasContainer.dom.overlay.height = _inputStream.getCanvasSize().y; } } function initBuffers(imageWrapper) { if (imageWrapper) { _inputImageWrapper = imageWrapper; } else { _inputImageWrapper = new _image_wrapper2['default']({ x: _inputStream.getWidth(), y: _inputStream.getHeight() }); } console.log(_inputImageWrapper.size); _boxSize = [_glMatrix.vec2.clone([0, 0]), _glMatrix.vec2.clone([0, _inputImageWrapper.size.y]), _glMatrix.vec2.clone([_inputImageWrapper.size.x, _inputImageWrapper.size.y]), _glMatrix.vec2.clone([_inputImageWrapper.size.x, 0])]; _barcode_locator2['default'].init(_inputImageWrapper, _config.locator); } function getBoundingBoxes() { if (_config.locate) { return _barcode_locator2['default'].locate(); } else { return [[_glMatrix.vec2.clone(_boxSize[0]), _glMatrix.vec2.clone(_boxSize[1]), _glMatrix.vec2.clone(_boxSize[2]), _glMatrix.vec2.clone(_boxSize[3])]]; } } function transformResult(result) { var topRight = _inputStream.getTopRight(), xOffset = topRight.x, yOffset = topRight.y, i; if (!result || xOffset === 0 && yOffset === 0) { return; } if (result.line && result.line.length === 2) { moveLine(result.line); } if (result.boxes && result.boxes.length > 0) { for (i = 0; i < result.boxes.length; i++) { moveBox(result.boxes[i]); } } function moveBox(box) { var corner = box.length; while (corner--) { box[corner][0] += xOffset; box[corner][1] += yOffset; } } function moveLine(line) { line[0].x += xOffset; line[0].y += yOffset; line[1].x += xOffset; line[1].y += yOffset; } } function publishResult(result, imageData) { if (_onUIThread) { transformResult(result); if (imageData && result && result.codeResult) { if (_resultCollector) { _resultCollector.addResult(imageData, _inputStream.getCanvasSize(), result.codeResult); } } } _events2['default'].publish("processed", result); if (result && result.codeResult) { _events2['default'].publish("detected", result); } } function locateAndDecode() { var result, boxes; boxes = getBoundingBoxes(); if (boxes) { result = _decoder.decodeFromBoundingBoxes(boxes); result = result || {}; result.boxes = boxes; publishResult(result, _inputImageWrapper.data); } else { publishResult(); } } function update() { var availableWorker; if (_onUIThread) { if (_workerPool.length > 0) { availableWorker = _workerPool.filter(function (workerThread) { return !workerThread.busy; })[0]; if (availableWorker) { _framegrabber.attachData(availableWorker.imageData); } else { return; // all workers are busy } } else { _framegrabber.attachData(_inputImageWrapper.data); } if (_framegrabber.grab()) { if (availableWorker) { availableWorker.busy = true; availableWorker.worker.postMessage({ cmd: 'process', imageData: availableWorker.imageData }, [availableWorker.imageData.buffer]); } else { locateAndDecode(); } } } else { locateAndDecode(); } } function _start() { _stopped = false; (function frame() { if (!_stopped) { update(); if (_onUIThread && _config.inputStream.type === "LiveStream") { window.requestAnimFrame(frame); } } })(); } function initWorkers(cb) { var i; _workerPool = []; for (i = 0; i < _config.numOfWorkers; i++) { initWorker(workerInitialized); } function workerInitialized(workerThread) { _workerPool.push(workerThread); if (_workerPool.length >= _config.numOfWorkers) { cb(); } } } function initWorker(cb) { var blobURL, workerThread = { worker: undefined, imageData: new Uint8Array(_inputStream.getWidth() * _inputStream.getHeight()), busy: true }; blobURL = generateWorkerBlob(); workerThread.worker = new Worker(blobURL); workerThread.worker.onmessage = function (e) { if (e.data.event === 'initialized') { URL.revokeObjectURL(blobURL); workerThread.busy = false; workerThread.imageData = new Uint8Array(e.data.imageData); console.log("Worker initialized"); return cb(workerThread); } else if (e.data.event === 'processed') { workerThread.imageData = new Uint8Array(e.data.imageData); workerThread.busy = false; publishResult(e.data.result, workerThread.imageData); } else if (e.data.event === 'error') { console.log("Worker error: " + e.data.message); } }; workerThread.worker.postMessage({ cmd: 'init', size: { x: _inputStream.getWidth(), y: _inputStream.getHeight() }, imageData: workerThread.imageData, config: _config }, [workerThread.imageData.buffer]); } function workerInterface(factory) { /* eslint-disable no-undef*/ if (factory) { var Quagga = factory(); if (!Quagga) { self.postMessage({ 'event': 'error', message: 'Quagga could not be created' }); return; } } var imageWrapper; self.onmessage = function (e) { if (e.data.cmd === 'init') { var config = e.data.config; config.numOfWorkers = 0; imageWrapper = new Quagga.ImageWrapper({ x: e.data.size.x, y: e.data.size.y }, new Uint8Array(e.data.imageData)); Quagga.init(config, ready, imageWrapper); Quagga.onProcessed(onProcessed); } else if (e.data.cmd === 'process') { imageWrapper.data = new Uint8Array(e.data.imageData); Quagga.start(); } else if (e.data.cmd === 'setReaders') { Quagga.setReaders(e.data.readers); } }; function onProcessed(result) { self.postMessage({ 'event': 'processed', imageData: imageWrapper.data, result: result }, [imageWrapper.data.buffer]); } function ready() { // eslint-disable-line self.postMessage({ 'event': 'initialized', imageData: imageWrapper.data }, [imageWrapper.data.buffer]); } /* eslint-enable */ } function generateWorkerBlob() { var blob, factorySource; /* jshint ignore:start */ if (typeof __factorySource__ !== 'undefined') { factorySource = __factorySource__; // eslint-disable-line no-undef } /* jshint ignore:end */ blob = new Blob(['(' + workerInterface.toString() + ')(' + factorySource + ');'], { type: 'text/javascript' }); return window.URL.createObjectURL(blob); } function _setReaders(readers) { if (_decoder) { _decoder.setReaders(readers); } else if (_onUIThread && _workerPool.length > 0) { _workerPool.forEach(function (workerThread) { workerThread.worker.postMessage({ cmd: 'setReaders', readers: readers }); }); } } exports['default'] = { init: function init(config, cb, imageWrapper) { _config = merge({}, _config3['default'], config); if (imageWrapper) { _onUIThread = false; initializeData(imageWrapper); return cb(); } else { initInputStream(cb); } }, start: function start() { _start(); }, stop: function stop() { _stopped = true; _workerPool.forEach(function (workerThread) { workerThread.worker.terminate(); console.log("Worker terminated!"); }); _workerPool.length = 0; if (_config.inputStream.type === "LiveStream") { _camera_access2['default'].release(); _inputStream.clearEventHandlers(); } }, pause: function pause() { _stopped = true; }, onDetected: function onDetected(callback) { _events2['default'].subscribe("detected", callback); }, offDetected: function offDetected(callback) { _events2['default'].unsubscribe("detected", callback); }, onProcessed: function onProcessed(callback) { _events2['default'].subscribe("processed", callback); }, offProcessed: function offProcessed(callback) { _events2['default'].unsubscribe("processed", callback); }, setReaders: function setReaders(readers) { _setReaders(readers); }, registerResultCollector: function registerResultCollector(resultCollector) { if (resultCollector && typeof resultCollector.addResult === 'function') { _resultCollector = resultCollector; } }, canvas: _canvasContainer, decodeSingle: function decodeSingle(config, resultCallback) { config = merge({ inputStream: { type: "ImageStream", sequence: false, size: 800, src: config.src }, numOfWorkers: 1, locator: { halfSample: false } }, config); this.init(config, function () { _events2['default'].once("processed", function (result) { _stopped = true; resultCallback.call(null, result); }, true); _start(); }); }, ImageWrapper: _image_wrapper2['default'], ImageDebug: _image_debug2['default'], ResultCollector: _result_collector2['default'] }; module.exports = exports['default']; /***/ }, /* 2 */ /***/ function(module, exports) { /* * typedefs.js * Normalizes browser-specific prefixes */ 'use strict'; 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); }; })(); navigator.getUserMedia = navigator.getUserMedia || navigator.webkitGetUserMedia || navigator.mozGetUserMedia || navigator.msGetUserMedia; window.URL = window.URL || window.webkitURL || window.mozURL || window.msURL; } 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; }; /***/ }, /* 3 */ /***/ function(module, exports, __webpack_require__) { 'use strict'; Object.defineProperty(exports, '__esModule', { value: true }); function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { 'default': obj }; } var _subImage = __webpack_require__(4); var _subImage2 = _interopRequireDefault(_subImage); var _cv_utils = __webpack_require__(5); var _cv_utils2 = _interopRequireDefault(_cv_utils); var _array_helper = __webpack_require__(8); var _array_helper2 = _interopRequireDefault(_array_helper); var _glMatrix = __webpack_require__(7); /** * 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 = _glMatrix.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 : _cv_utils2['default'].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; module.exports = exports['default']; /***/ }, /* 4 */ /***/ function(module, exports) { /** * 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 */ 'use strict'; Object.defineProperty(exports, '__esModule', { value: true }); 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; module.exports = exports['default']; /***/ }, /* 5 */ /***/ function(module, exports, __webpack_require__) { 'use strict'; Object.defineProperty(exports, '__esModule', { value: true }); function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { 'default': obj }; } var _cluster = __webpack_require__(6); var _cluster2 = _interopRequireDefault(_cluster); var _array_helper = __webpack_require__(8); var _array_helper2 = _interopRequireDefault(_array_helper); var _glMatrix = __webpack_require__(7); var CVUtils = {}; /** * @param x x-coordinate * @param y y-coordinate * @return ImageReference {x,y} Coordinate */ CVUtils.imageRef = function (x, y) { var that = { x: x, y: y, toVec2: function toVec2() { return _glMatrix.vec2.clone([this.x, this.y]); }, toVec3: function toVec3() { return _glMatrix.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 */ CVUtils.computeIntegralImage2 = function (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++; } } }; CVUtils.computeIntegralImage = function (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]; } } }; CVUtils.thresholdImage = function (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; } }; CVUtils.computeHistogram = function (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; }; CVUtils.sharpenLine = function (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; }; CVUtils.determineOtsuThreshold = function (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 = CVUtils.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; }; CVUtils.otsuThreshold = function (imageWrapper, targetWrapper) { var threshold = CVUtils.determineOtsuThreshold(imageWrapper); CVUtils.thresholdImage(imageWrapper, threshold, targetWrapper); return threshold; }; // local thresholding CVUtils.computeBinaryImage = function (imageWrapper, integralWrapper, targetWrapper) { CVUtils.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; } } }; CVUtils.cluster = function (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; }; CVUtils.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; } }; CVUtils.DILATE = 1; CVUtils.ERODE = 2; CVUtils.dilate = function (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; } } }; CVUtils.erode = function (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; } } }; CVUtils.subtract = function (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]; } }; CVUtils.bitwiseOr = function (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]; } }; CVUtils.countNonZero = function (imageWrapper) { var length = imageWrapper.data.length, data = imageWrapper.data, sum = 0; while (length--) { sum += data[length]; } return sum; }; CVUtils.topGeneric = function (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; }; CVUtils.grayArrayFromImage = function (htmlImage, offsetX, ctx, array) { ctx.drawImage(htmlImage, offsetX, 0, htmlImage.width, htmlImage.height); var ctxData = ctx.getImageData(offsetX, 0, htmlImage.width, htmlImage.height).data; CVUtils.computeGray(ctxData, array); }; CVUtils.grayArrayFromContext = function (ctx, size, offset, array) { var ctxData = ctx.getImageData(offset.x, offset.y, size.x, size.y).data; CVUtils.computeGray(ctxData, array); }; CVUtils.grayAndHalfSampleFromCanvasData = function (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; } }; CVUtils.computeGray = function (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]); } } }; CVUtils.loadImageArray = function (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; CVUtils.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 */ CVUtils.halfSample = function (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; } }; CVUtils.hsv2rgb = function (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; }; CVUtils._computeDivisors = function (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); }; CVUtils._computeIntersection = function (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; }; CVUtils.calculatePatchSize = function (patchSize, imgSize) { var divisorsX = this._computeDivisors(imgSize.x), divisorsY = this._computeDivisors(imgSize.y), wideSide = Math.max(imgSize.x, imgSize.y), common = this._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(this._computeDivisors(wideSide)); if (!optimalPatchSize) { optimalPatchSize = findPatchSizeForDivisors(this._computeDivisors(desiredPatchSize * nrOfPatches)); } } return optimalPatchSize; }; CVUtils._parseCSSDimensionValues = function (value) { var dimension = { value: parseFloat(value), unit: value.indexOf("%") === value.length - 1 ? "%" : "%" }; return dimension; }; CVUtils._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)); } } }; CVUtils.computeImageArea = function (inputWidth, inputHeight, area) { var context = { width: inputWidth, height: inputHeight }; var parsedArea = Object.keys(area).reduce(function (result, key) { var value = area[key], parsed = CVUtils._parseCSSDimensionValues(value), calculated = CVUtils._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 }; }; exports['default'] = CVUtils; module.exports = exports['default']; /***/ }, /* 6 */ /***/ function(module, exports, __webpack_require__) { 'use strict'; Object.defineProperty(exports, '__esModule', { value: true }); var _glMatrix = __webpack_require__(7); /** * Creates a cluster for grouping similar orientations of datapoints */ exports['default'] = { create: function create(point, threshold) { var points = [], center = { rad: 0, vec: _glMatrix.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 = _glMatrix.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(_glMatrix.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 }; } }; module.exports = exports['default']; /***/ }, /* 7 */ /***/ function(module, exports) { module.exports = require("gl-matrix"); /***/ }, /* 8 */ /***/ function(module, exports) { "use strict"; Object.defineProperty(exports, "__esModule", { value: 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; } }; module.exports = exports["default"]; /***/ }, /* 9 */ /***/ function(module, exports, __webpack_require__) { /* WEBPACK VAR INJECTION */(function(global) {'use strict'; Object.defineProperty(exports, '__esModule', { value: true }); function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { 'default': obj }; } var _image_wrapper = __webpack_require__(3); var _image_wrapper2 = _interopRequireDefault(_image_wrapper); var _cv_utils = __webpack_require__(5); var _cv_utils2 = _interopRequireDefault(_cv_utils); var _rasterizer = __webpack_require__(10); var _rasterizer2 = _interopRequireDefault(_rasterizer); var _tracer = __webpack_require__(11); var _tracer2 = _interopRequireDefault(_tracer); var _skeletonizer2 = __webpack_require__(12); var _skeletonizer3 = _interopRequireDefault(_skeletonizer2); var _array_helper = __webpack_require__(8); var _array_helper2 = _interopRequireDefault(_array_helper); var _image_debug = __webpack_require__(13); var _image_debug2 = _interopRequireDefault(_image_debug); var _glMatrix = __webpack_require__(7); var _glMatrix2 = _interopRequireDefault(_glMatrix); var _config, _currentImageWrapper, _skelImageWrapper, _subImageWrapper, _labelImageWrapper, _patchGrid, _patchLabelGrid, _imageToPatchGrid, _binaryImageWrapper, _patchSize, _canvasContainer = { ctx: { binary: null }, dom: { binary: null } }, _numPatches = { x: 0, y: 0 }, _inputImageWrapper, _skeletonizer, vec2 = _glMatrix2['default'].vec2, mat2 = _glMatrix2['default'].mat2; function initBuffers() { var skeletonImageData; if (_config.halfSample) { _currentImageWrapper = new _image_wrapper2['default']({ x: _inputImageWrapper.size.x / 2 | 0, y: _inputImageWrapper.size.y / 2 | 0 }); } else { _currentImageWrapper = _inputImageWrapper; } _patchSize = _cv_utils2['default'].calculatePatchSize(_config.patchSize, _currentImageWrapper.size); _numPatches.x = _currentImageWrapper.size.x / _patchSize.x | 0; _numPatches.y = _currentImageWrapper.size.y / _patchSize.y | 0; _binaryImageWrapper = new _image_wrapper2['default'](_currentImageWrapper.size, undefined, Uint8Array, false); _labelImageWrapper = new _image_wrapper2['default'](_patchSize, undefined, Array, true); skeletonImageData = new ArrayBuffer(64 * 1024); _subImageWrapper = new _image_wrapper2['default'](_patchSize, new Uint8Array(skeletonImageData, 0, _patchSize.x * _patchSize.y)); _skelImageWrapper = new _image_wrapper2['default'](_patchSize, new Uint8Array(skeletonImageData, _patchSize.x * _patchSize.y * 3, _patchSize.x * _patchSize.y), undefined, true); _skeletonizer = (0, _skeletonizer3['default'])(typeof window !== 'undefined' ? window : typeof self !== 'undefined' ? self : global, { size: _patchSize.x }, skeletonImageData); _imageToPatchGrid = new _image_wrapper2['default']({ x: _currentImageWrapper.size.x / _subImageWrapper.size.x | 0, y: _currentImageWrapper.size.y / _subImageWrapper.size.y | 0 }, undefined, Array, true); _patchGrid = new _image_wrapper2['default'](_imageToPatchGrid.size, undefined, undefined, true); _patchLabelGrid = new _image_wrapper2['default'](_imageToPatchGrid.size, undefined, Int32Array, true); } function initCanvas() { if (_config.useWorker || typeof document === 'undefined') { return; } _canvasContainer.dom.binary = document.createElement("canvas"); _canvasContainer.dom.binary.className = "binaryBuffer"; if (_config.showCanvas === true) { document.querySelector("#debug").appendChild(_canvasContainer.dom.binary); } _canvasContainer.ctx.binary = _canvasContainer.dom.binary.getContext("2d"); _canvasContainer.dom.binary.width = _binaryImageWrapper.size.x; _canvasContainer.dom.binary.height = _binaryImageWrapper.size.y; } /** * Creates a bounding box which encloses all the given patches * @returns {Array} The minimal bounding box */ function boxFromPatches(patches) { var overAvg, i, j, patch, transMat, minx = _binaryImageWrapper.size.x, miny = _binaryImageWrapper.size.y, maxx = -_binaryImageWrapper.size.x, maxy = -_binaryImageWrapper.size.y, box, scale; // draw all patches which are to be taken into consideration overAvg = 0; for (i = 0; i < patches.length; i++) { patch = patches[i]; overAvg += patch.rad; if (_config.showPatches) { _image_debug2['default'].drawRect(patch.pos, _subImageWrapper.size, _canvasContainer.ctx.binary, { color: "red" }); } } overAvg /= patches.length; overAvg = (overAvg * 180 / Math.PI + 90) % 180 - 90; if (overAvg < 0) { overAvg += 180; } overAvg = (180 - overAvg) * Math.PI / 180; transMat = mat2.clone([Math.cos(overAvg), Math.sin(overAvg), -Math.sin(overAvg), Math.cos(overAvg)]); // iterate over patches and rotate by angle for (i = 0; i < patches.length; i++) { patch = patches[i]; for (j = 0; j < 4; j++) { vec2.transformMat2(patch.box[j], patch.box[j], transMat); } if (_config.boxFromPatches.showTransformed) { _image_debug2['default'].drawPath(patch.box, { x: 0, y: 1 }, _canvasContainer.ctx.binary, { color: '#99ff00', lineWidth: 2 }); } } // find bounding box for (i = 0; i < patches.length; i++) { patch = patches[i]; for (j = 0; j < 4; j++) { if (patch.box[j][0] < minx) { minx = patch.box[j][0]; } if (patch.box[j][0] > maxx) { maxx = patch.box[j][0]; } if (patch.box[j][1] < miny) { miny = patch.box[j][1]; } if (patch.box[j][1] > maxy) { maxy = patch.box[j][1]; } } } box = [[minx, miny], [maxx, miny], [maxx, maxy], [minx, maxy]]; if (_config.boxFromPatches.showTransformedBox) { _image_debug2['default'].drawPath(box, { x: 0, y: 1 }, _canvasContainer.ctx.binary, { color: '#ff0000', lineWidth: 2 }); } scale = _config.halfSample ? 2 : 1; // reverse rotation; transMat = mat2.invert(transMat, transMat); for (j = 0; j < 4; j++) { vec2.transformMat2(box[j], box[j], transMat); } if (_config.boxFromPatches.showBB) { _image_debug2['default'].drawPath(box, { x: 0, y: 1 }, _canvasContainer.ctx.binary, { color: '#ff0000', lineWidth: 2 }); } for (j = 0; j < 4; j++) { vec2.scale(box[j], box[j], scale); } return box; } /** * Creates a binary image of the current image */ function binarizeImage() { _cv_utils2['default'].otsuThreshold(_currentImageWrapper, _binaryImageWrapper); _binaryImageWrapper.zeroBorder(); if (_config.showCanvas) { _binaryImageWrapper.show(_canvasContainer.dom.binary, 255); } } /** * Iterate over the entire image * extract patches */ function findPatches() { var i, j, x, y, moments, patchesFound = [], rasterizer, rasterResult, patch; for (i = 0; i < _numPatches.x; i++) { for (j = 0; j < _numPatches.y; j++) { x = _subImageWrapper.size.x * i; y = _subImageWrapper.size.y * j; // seperate parts skeletonize(x, y); // Rasterize, find individual bars _skelImageWrapper.zeroBorder(); _array_helper2['default'].init(_labelImageWrapper.data, 0); rasterizer = _rasterizer2['default'].create(_skelImageWrapper, _labelImageWrapper); rasterResult = rasterizer.rasterize(0); if (_config.showLabels) { _labelImageWrapper.overlay(_canvasContainer.dom.binary, Math.floor(360 / rasterResult.count), { x: x, y: y }); } // calculate moments from the skeletonized patch moments = _labelImageWrapper.moments(rasterResult.count); // extract eligible patches patchesFound = patchesFound.concat(describePatch(moments, [i, j], x, y)); } } if (_config.showFoundPatches) { for (i = 0; i < patchesFound.length; i++) { patch = patchesFound[i]; _image_debug2['default'].drawRect(patch.pos, _subImageWrapper.size, _canvasContainer.ctx.binary, { color: "#99ff00", lineWidth: 2 }); } } return patchesFound; } /** * Finds those connected areas which contain at least 6 patches * and returns them ordered DESC by the number of contained patches * @param {Number} maxLabel */ function findBiggestConnectedAreas(maxLabel) { var i, sum, labelHist = [], topLabels = []; for (i = 0; i < maxLabel; i++) { labelHist.push(0); } sum = _patchLabelGrid.data.length; while (sum--) { if (_patchLabelGrid.data[sum] > 0) { labelHist[_patchLabelGrid.data[sum] - 1]++; } } labelHist = labelHist.map(function (val, idx) { return { val: val, label: idx + 1 }; }); labelHist.sort(function (a, b) { return b.val - a.val; }); // extract top areas with at least 6 patches present topLabels = labelHist.filter(function (el) { return el.val >= 5; }); return topLabels; } /** * */ function findBoxes(topLabels, maxLabel) { var i, j, sum, patches = [], patch, box, boxes = [], hsv = [0, 1, 1], rgb = [0, 0, 0]; for (i = 0; i < topLabels.length; i++) { sum = _patchLabelGrid.data.length; patches.length = 0; while (sum--) { if (_patchLabelGrid.data[sum] === topLabels[i].label) { patch = _imageToPatchGrid.data[sum]; patches.push(patch); } } box = boxFromPatches(patches); if (box) { boxes.push(box); // draw patch-labels if requested if (_config.showRemainingPatchLabels) { for (j = 0; j < patches.length; j++) { patch = patches[j]; hsv[0] = topLabels[i].label / (maxLabel + 1) * 360; _cv_utils2['default'].hsv2rgb(hsv, rgb); _image_debug2['default'].drawRect(patch.pos, _subImageWrapper.size, _canvasContainer.ctx.binary, { color: "rgb(" + rgb.join(",") + ")", lineWidth: 2 }); } } } } return boxes; } /** * Find similar moments (via cluster) * @param {Object} moments */ function similarMoments(moments) { var clusters = _cv_utils2['default'].cluster(moments, 0.90); var topCluster = _cv_utils2['default'].topGeneric(clusters, 1, function (e) { return e.getPoints().length; }); var points = [], result = []; if (topCluster.length === 1) { points = topCluster[0].item.getPoints(); for (var i = 0; i < points.length; i++) { result.push(points[i].point); } } return result; } function skeletonize(x, y) { _binaryImageWrapper.subImageAsCopy(_subImageWrapper, _cv_utils2['default'].imageRef(x, y)); _skeletonizer.skeletonize(); // Show skeleton if requested if (_config.showSkeleton) { _skelImageWrapper.overlay(_canvasContainer.dom.binary, 360, _cv_utils2['default'].imageRef(x, y)); } } /** * Extracts and describes those patches which seem to contain a barcode pattern * @param {Array} moments * @param {Object} patchPos, * @param {Number} x * @param {Number} y * @returns {Array} list of patches */ function describePatch(moments, patchPos, x, y) { var k, avg, eligibleMoments = [], matchingMoments, patch, patchesFound = [], minComponentWeight = Math.ceil(_patchSize.x / 3); if (moments.length >= 2) { // only collect moments which's area covers at least minComponentWeight pixels. for (k = 0; k < moments.length; k++) { if (moments[k].m00 > minComponentWeight) { eligibleMoments.push(moments[k]); } } // if at least 2 moments are found which have at least minComponentWeights covered if (eligibleMoments.length >= 2) { matchingMoments = similarMoments(eligibleMoments); avg = 0; // determine the similarity of the moments for (k = 0; k < matchingMoments.length; k++) { avg += matchingMoments[k].rad; } // Only two of the moments are allowed not to fit into the equation // add the patch to the set if (matchingMoments.length > 1 && matchingMoments.length >= eligibleMoments.length / 4 * 3 && matchingMoments.length > moments.length / 4) { avg /= matchingMoments.length; patch = { index: patchPos[1] * _numPatches.x + patchPos[0], pos: { x: x, y: y }, box: [vec2.clone([x, y]), vec2.clone([x + _subImageWrapper.size.x, y]), vec2.clone([x + _subImageWrapper.size.x, y + _subImageWrapper.size.y]), vec2.clone([x, y + _subImageWrapper.size.y])], moments: matchingMoments, rad: avg, vec: vec2.clone([Math.cos(avg), Math.sin(avg)]) }; patchesFound.push(patch); } } } return patchesFound; } /** * finds patches which are connected and share the same orientation * @param {Object} patchesFound */ function rasterizeAngularSimilarity(patchesFound) { var label = 0, threshold = 0.95, currIdx = 0, j, patch, hsv = [0, 1, 1], rgb = [0, 0, 0]; function notYetProcessed() { var i; for (i = 0; i < _patchLabelGrid.data.length; i++) { if (_patchLabelGrid.data[i] === 0 && _patchGrid.data[i] === 1) { return i; } } return _patchLabelGrid.length; } function trace(currentIdx) { var x, y, currentPatch, idx, dir, current = { x: currentIdx % _patchLabelGrid.size.x, y: currentIdx / _patchLabelGrid.size.x | 0 }, similarity; if (currentIdx < _patchLabelGrid.data.length) { currentPatch = _imageToPatchGrid.data[currentIdx]; // assign label _patchLabelGrid.data[currentIdx] = label; for (dir = 0; dir < _tracer2['default'].searchDirections.length; dir++) { y = current.y + _tracer2['default'].searchDirections[dir][0]; x = current.x + _tracer2['default'].searchDirections[dir][1]; idx = y * _patchLabelGrid.size.x + x; // continue if patch empty if (_patchGrid.data[idx] === 0) { _patchLabelGrid.data[idx] = Number.MAX_VALUE; continue; } if (_patchLabelGrid.data[idx] === 0) { similarity = Math.abs(vec2.dot(_imageToPatchGrid.data[idx].vec, currentPatch.vec)); if (similarity > threshold) { trace(idx); } } } } } // prepare for finding the right patches _array_helper2['default'].init(_patchGrid.data, 0); _array_helper2['default'].init(_patchLabelGrid.data, 0); _array_helper2['default'].init(_imageToPatchGrid.data, null); for (j = 0; j < patchesFound.length; j++) { patch = patchesFound[j]; _imageToPatchGrid.data[patch.index] = patch; _patchGrid.data[patch.index] = 1; } // rasterize the patches found to determine area _patchGrid.zeroBorder(); while ((currIdx = notYetProcessed()) < _patchLabelGrid.data.length) { label++; trace(currIdx); } // draw patch-labels if requested if (_config.showPatchLabels) { for (j = 0; j < _patchLabelGrid.data.length; j++) { if (_patchLabelGrid.data[j] > 0 && _patchLabelGrid.data[j] <= label) { patch = _imageToPatchGrid.data[j]; hsv[0] = _patchLabelGrid.data[j] / (label + 1) * 360; _cv_utils2['default'].hsv2rgb(hsv, rgb); _image_debug2['default'].drawRect(patch.pos, _subImageWrapper.size, _canvasContainer.ctx.binary, { color: "rgb(" + rgb.join(",") + ")", lineWidth: 2 }); } } } return label; } exports['default'] = { init: function init(inputImageWrapper, config) { _config = config; _inputImageWrapper = inputImageWrapper; initBuffers(); initCanvas(); }, locate: function locate() { var patchesFound, topLabels, boxes; if (_config.halfSample) { _cv_utils2['default'].halfSample(_inputImageWrapper, _currentImageWrapper); } binarizeImage(); patchesFound = findPatches(); // return unless 5% or more patches are found if (patchesFound.length < _numPatches.x * _numPatches.y * 0.05) { return null; } // rasterrize area by comparing angular similarity; var maxLabel = rasterizeAngularSimilarity(patchesFound); if (maxLabel < 1) { return null; } // search for area with the most patches (biggest connected area) topLabels = findBiggestConnectedAreas(maxLabel); if (topLabels.length === 0) { return null; } boxes = findBoxes(topLabels, maxLabel); return boxes; }, checkImageConstraints: function checkImageConstraints(inputStream, config) { var patchSize, width = inputStream.getWidth(), height = inputStream.getHeight(), halfSample = config.halfSample ? 0.5 : 1, size, area; // calculate width and height based on area if (inputStream.getConfig().area) { area = _cv_utils2['default'].computeImageArea(width, height, inputStream.getConfig().area); inputStream.setTopRight({ x: area.sx, y: area.sy }); inputStream.setCanvasSize({ x: width, y: height }); width = area.sw; height = area.sh; } size = { x: Math.floor(width * halfSample), y: Math.floor(height * halfSample) }; patchSize = _cv_utils2['default'].calculatePatchSize(config.patchSize, size); console.log("Patch-Size: " + JSON.stringify(patchSize)); inputStream.setWidth(Math.floor(Math.floor(size.x / patchSize.x) * (1 / halfSample) * patchSize.x)); inputStream.setHeight(Math.floor(Math.floor(size.y / patchSize.y) * (1 / halfSample) * patchSize.y)); if (inputStream.getWidth() % patchSize.x === 0 && inputStream.getHeight() % patchSize.y === 0) { return true; } throw new Error("Image dimensions do not comply with the current settings: Width (" + width + " )and height (" + height + ") must a multiple of " + patchSize.x); } }; module.exports = exports['default']; /* WEBPACK VAR INJECTION */}.call(exports, (function() { return this; }()))) /***/ }, /* 10 */ /***/ function(module, exports, __webpack_require__) { "use strict"; Object.defineProperty(exports, "__esModule", { value: true }); function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { "default": obj }; } var _tracer = __webpack_require__(11); var _tracer2 = _interopRequireDefault(_tracer); /** * http://www.codeproject.com/Tips/407172/Connected-Component-Labeling-and-Vectorization */ var Rasterizer = { createContour2D: function createContour2D() { return { dir: null, index: null, firstVertex: null, insideContours: null, nextpeer: null, prevpeer: null }; }, CONTOUR_DIR: { CW_DIR: 0, CCW_DIR: 1, UNKNOWN_DIR: 2 }, DIR: { OUTSIDE_EDGE: -32767, INSIDE_EDGE: -32766 }, create: function create(imageWrapper, labelWrapper) { var imageData = imageWrapper.data, labelData = labelWrapper.data, width = imageWrapper.size.x, height = imageWrapper.size.y, tracer = _tracer2["default"].create(imageWrapper, labelWrapper); return { rasterize: function rasterize(depthlabel) { var color, bc, lc, labelindex, cx, cy, colorMap = [], vertex, p, cc, sc, pos, connectedCount = 0, i; for (i = 0; i < 400; i++) { colorMap[i] = 0; } colorMap[0] = imageData[0]; cc = null; for (cy = 1; cy < height - 1; cy++) { labelindex = 0; bc = colorMap[0]; for (cx = 1; cx < width - 1; cx++) { pos = cy * width + cx; if (labelData[pos] === 0) { color = imageData[pos]; if (color !== bc) { if (labelindex === 0) { lc = connectedCount + 1; colorMap[lc] = color; bc = color; vertex = tracer.contourTracing(cy, cx, lc, color, Rasterizer.DIR.OUTSIDE_EDGE); if (vertex !== null) { connectedCount++; labelindex = lc; p = Rasterizer.createContour2D(); p.dir = Rasterizer.CONTOUR_DIR.CW_DIR; p.index = labelindex; p.firstVertex = vertex; p.nextpeer = cc; p.insideContours = null; if (cc !== null) { cc.prevpeer = p; } cc = p; } } else { vertex = tracer.contourTracing(cy, cx, Rasterizer.DIR.INSIDE_EDGE, color, labelindex); if (vertex !== null) { p = Rasterizer.createContour2D(); p.firstVertex = vertex; p.insideContours = null; if (depthlabel === 0) { p.dir = Rasterizer.CONTOUR_DIR.CCW_DIR; } else { p.dir = Rasterizer.CONTOUR_DIR.CW_DIR; } p.index = depthlabel; sc = cc; while (sc !== null && sc.index !== labelindex) { sc = sc.nextpeer; } if (sc !== null) { p.nextpeer = sc.insideContours; if (sc.insideContours !== null) { sc.insideContours.prevpeer = p; } sc.insideContours = p; } } } } else { labelData[pos] = labelindex; } } else if (labelData[pos] === Rasterizer.DIR.OUTSIDE_EDGE || labelData[pos] === Rasterizer.DIR.INSIDE_EDGE) { labelindex = 0; if (labelData[pos] === Rasterizer.DIR.INSIDE_EDGE) { bc = imageData[pos]; } else { bc = colorMap[0]; } } else { labelindex = labelData[pos]; bc = colorMap[labelindex]; } } } sc = cc; while (sc !== null) { sc.index = depthlabel; sc = sc.nextpeer; } return { cc: cc, count: connectedCount }; }, debug: { drawContour: function drawContour(canvas, firstContour) { var ctx = canvas.getContext("2d"), pq = firstContour, iq, q, p; ctx.strokeStyle = "red"; ctx.fillStyle = "red"; ctx.lineWidth = 1; if (pq !== null) { iq = pq.insideContours; } else { iq = null; } while (pq !== null) { if (iq !== null) { q = iq; iq = iq.nextpeer; } else { q = pq; pq = pq.nextpeer; if (pq !== null) { iq = pq.insideContours; } else { iq = null; } } switch (q.dir) { case Rasterizer.CONTOUR_DIR.CW_DIR: ctx.strokeStyle = "red"; break; case Rasterizer.CONTOUR_DIR.CCW_DIR: ctx.strokeStyle = "blue"; break; case Rasterizer.CONTOUR_DIR.UNKNOWN_DIR: ctx.strokeStyle = "green"; break; } p = q.firstVertex; ctx.beginPath(); ctx.moveTo(p.x, p.y); do { p = p.next; ctx.lineTo(p.x, p.y); } while (p !== q.firstVertex); ctx.stroke(); } } } }; } }; exports["default"] = Rasterizer; module.exports = exports["default"]; /***/ }, /* 11 */ /***/ function(module, exports) { /** * http://www.codeproject.com/Tips/407172/Connected-Component-Labeling-and-Vectorization */ "use strict"; Object.defineProperty(exports, "__esModule", { value: true }); 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; module.exports = exports["default"]; /***/ }, /* 12 */ /***/ function(module, exports) { /* @preserve ASM BEGIN */ /* eslint-disable eqeqeq*/ "use strict"; Object.defineProperty(exports, "__esModule", { value: true }); function Skeletonizer(stdlib, foreign, buffer) { "use asm"; var images = new stdlib.Uint8Array(buffer), size = foreign.size | 0, imul = stdlib.Math.imul; function erode(inImagePtr, outImagePtr) { inImagePtr = inImagePtr | 0; outImagePtr = outImagePtr | 0; var v = 0, u = 0, sum = 0, yStart1 = 0, yStart2 = 0, xStart1 = 0, xStart2 = 0, offset = 0; for (v = 1; (v | 0) < (size - 1 | 0); v = v + 1 | 0) { offset = offset + size | 0; for (u = 1; (u | 0) < (size - 1 | 0); u = u + 1 | 0) { yStart1 = offset - size | 0; yStart2 = offset + size | 0; xStart1 = u - 1 | 0; xStart2 = u + 1 | 0; sum = (images[inImagePtr + yStart1 + xStart1 | 0] | 0) + (images[inImagePtr + yStart1 + xStart2 | 0] | 0) + (images[inImagePtr + offset + u | 0] | 0) + (images[inImagePtr + yStart2 + xStart1 | 0] | 0) + (images[inImagePtr + yStart2 + xStart2 | 0] | 0) | 0; if ((sum | 0) == (5 | 0)) { images[outImagePtr + offset + u | 0] = 1; } else { images[outImagePtr + offset + u | 0] = 0; } } } return; } function subtract(aImagePtr, bImagePtr, outImagePtr) { aImagePtr = aImagePtr | 0; bImagePtr = bImagePtr | 0; outImagePtr = outImagePtr | 0; var length = 0; length = imul(size, size) | 0; while ((length | 0) > 0) { length = length - 1 | 0; images[outImagePtr + length | 0] = (images[aImagePtr + length | 0] | 0) - (images[bImagePtr + length | 0] | 0) | 0; } } function bitwiseOr(aImagePtr, bImagePtr, outImagePtr) { aImagePtr = aImagePtr | 0; bImagePtr = bImagePtr | 0; outImagePtr = outImagePtr | 0; var length = 0; length = imul(size, size) | 0; while ((length | 0) > 0) { length = length - 1 | 0; images[outImagePtr + length | 0] = images[aImagePtr + length | 0] | 0 | (images[bImagePtr + length | 0] | 0) | 0; } } function countNonZero(imagePtr) { imagePtr = imagePtr | 0; var sum = 0, length = 0; length = imul(size, size) | 0; while ((length | 0) > 0) { length = length - 1 | 0; sum = (sum | 0) + (images[imagePtr + length | 0] | 0) | 0; } return sum | 0; } function init(imagePtr, value) { imagePtr = imagePtr | 0; value = value | 0; var length = 0; length = imul(size, size) | 0; while ((length | 0) > 0) { length = length - 1 | 0; images[imagePtr + length | 0] = value; } } function dilate(inImagePtr, outImagePtr) { inImagePtr = inImagePtr | 0; outImagePtr = outImagePtr | 0; var v = 0, u = 0, sum = 0, yStart1 = 0, yStart2 = 0, xStart1 = 0, xStart2 = 0, offset = 0; for (v = 1; (v | 0) < (size - 1 | 0); v = v + 1 | 0) { offset = offset + size | 0; for (u = 1; (u | 0) < (size - 1 | 0); u = u + 1 | 0) { yStart1 = offset - size | 0; yStart2 = offset + size | 0; xStart1 = u - 1 | 0; xStart2 = u + 1 | 0; sum = (images[inImagePtr + yStart1 + xStart1 | 0] | 0) + (images[inImagePtr + yStart1 + xStart2 | 0] | 0) + (images[inImagePtr + offset + u | 0] | 0) + (images[inImagePtr + yStart2 + xStart1 | 0] | 0) + (images[inImagePtr + yStart2 + xStart2 | 0] | 0) | 0; if ((sum | 0) > (0 | 0)) { images[outImagePtr + offset + u | 0] = 1; } else { images[outImagePtr + offset + u | 0] = 0; } } } return; } function memcpy(srcImagePtr, dstImagePtr) { srcImagePtr = srcImagePtr | 0; dstImagePtr = dstImagePtr | 0; var length = 0; length = imul(size, size) | 0; while ((length | 0) > 0) { length = length - 1 | 0; images[dstImagePtr + length | 0] = images[srcImagePtr + length | 0] | 0; } } function zeroBorder(imagePtr) { imagePtr = imagePtr | 0; var x = 0, y = 0; for (x = 0; (x | 0) < (size - 1 | 0); x = x + 1 | 0) { images[imagePtr + x | 0] = 0; images[imagePtr + y | 0] = 0; y = y + size - 1 | 0; images[imagePtr + y | 0] = 0; y = y + 1 | 0; } for (x = 0; (x | 0) < (size | 0); x = x + 1 | 0) { images[imagePtr + y | 0] = 0; y = y + 1 | 0; } } function skeletonize() { var subImagePtr = 0, erodedImagePtr = 0, tempImagePtr = 0, skelImagePtr = 0, sum = 0, done = 0; erodedImagePtr = imul(size, size) | 0; tempImagePtr = erodedImagePtr + erodedImagePtr | 0; skelImagePtr = tempImagePtr + erodedImagePtr | 0; // init skel-image init(skelImagePtr, 0); zeroBorder(subImagePtr); do { erode(subImagePtr, erodedImagePtr); dilate(erodedImagePtr, tempImagePtr); subtract(subImagePtr, tempImagePtr, tempImagePtr); bitwiseOr(skelImagePtr, tempImagePtr, skelImagePtr); memcpy(erodedImagePtr, subImagePtr); sum = countNonZero(subImagePtr) | 0; done = (sum | 0) == 0 | 0; } while (!done); } return { skeletonize: skeletonize }; } exports["default"] = Skeletonizer; /* eslint-enable eqeqeq*/ /* @preserve ASM END */ module.exports = exports["default"]; /***/ }, /* 13 */ /***/ function(module, exports) { "use strict"; Object.defineProperty(exports, "__esModule", { value: 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; } }; module.exports = exports["default"]; /***/ }, /* 14 */ /***/ function(module, exports, __webpack_require__) { 'use strict'; Object.defineProperty(exports, '__esModule', { value: true }); function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { 'default': obj }; } var _bresenham = __webpack_require__(15); var _bresenham2 = _interopRequireDefault(_bresenham); var _image_debug = __webpack_require__(13); var _image_debug2 = _interopRequireDefault(_image_debug); var _code_128_reader = __webpack_require__(16); var _code_128_reader2 = _interopRequireDefault(_code_128_reader); var _ean_reader = __webpack_require__(18); var _ean_reader2 = _interopRequireDefault(_ean_reader); var _code_39_reader = __webpack_require__(19); var _code_39_reader2 = _interopRequireDefault(_code_39_reader); var _code_39_vin_reader = __webpack_require__(20); var _code_39_vin_reader2 = _interopRequireDefault(_code_39_vin_reader); var _codabar_reader = __webpack_require__(21); var _codabar_reader2 = _interopRequireDefault(_codabar_reader); var _upc_reader = __webpack_require__(22); var _upc_reader2 = _interopRequireDefault(_upc_reader); var _ean_8_reader = __webpack_require__(23); var _ean_8_reader2 = _interopRequireDefault(_ean_8_reader); var _upc_e_reader = __webpack_require__(24); var _upc_e_reader2 = _interopRequireDefault(_upc_e_reader); var _i2of5_reader = __webpack_require__(25); var _i2of5_reader2 = _interopRequireDefault(_i2of5_reader); var READERS = { code_128_reader: _code_128_reader2['default'], ean_reader: _ean_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 (typeof document !== 'undefined') { 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"); _canvas.dom.overlay = document.querySelector("canvas.drawingBuffer"); if (_canvas.dom.overlay) { _canvas.ctx.overlay = _canvas.dom.overlay.getContext("2d"); } } } function initReaders() { config.readers.forEach(function (readerConfig) { var reader, configuration = {}; if (typeof readerConfig === 'object') { reader = readerConfig.format; configuration = readerConfig.config; } else if (typeof readerConfig === 'string') { reader = readerConfig; } console.log("Before registering reader: ", reader); _barcodeReaders.push(new READERS[reader](configuration)); }); console.log("Registered Readers: " + _barcodeReaders.map(function (reader) { return JSON.stringify({ format: reader.FORMAT, config: reader.config }); }).join(', ')); } function initConfig() { if (typeof document !== 'undefined') { var i, vis = [{ node: _canvas.dom.frequency, prop: config.showFrequency }, { node: _canvas.dom.pattern, prop: config.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 (config.showFrequency) { _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 (config.showPattern) { _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 (config.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 (result && config.drawScanline && ctx) { _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; for (i = 0; i < boxes.length; i++) { result = _decodeFromBoundingBox(boxes[i]); if (result && result.codeResult) { result.box = boxes[i]; return result; } } }, setReaders: function setReaders(readers) { config.readers = readers; _barcodeReaders.length = 0; initReaders(); } }; } }; module.exports = exports['default']; /***/ }, /* 15 */ /***/ function(module, exports, __webpack_require__) { 'use strict'; Object.defineProperty(exports, '__esModule', { value: true }); function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { 'default': obj }; } var _cv_utils = __webpack_require__(5); var _cv_utils2 = _interopRequireDefault(_cv_utils); var _image_wrapper = __webpack_require__(3); var _image_wrapper2 = _interopRequireDefault(_image_wrapper); 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 }; }; Bresenham.toOtsuBinaryLine = function (result) { var line = result.line, image = new _image_wrapper2['default']({ x: line.length - 1, y: 1 }, line), threshold = _cv_utils2['default'].determineOtsuThreshold(image, 5); line = _cv_utils2['default'].sharpenLine(line); _cv_utils2['default'].thresholdImage(image, threshold); return { line: line, threshold: threshold }; }; /** * 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; module.exports = exports['default']; /***/ }, /* 16 */ /***/ function(module, exports, __webpack_require__) { "use strict"; Object.defineProperty(exports, "__esModule", { value: true }); function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { "default": obj }; } var _barcode_reader = __webpack_require__(17); var _barcode_reader2 = _interopRequireDefault(_barcode_reader); function Code128Reader() { _barcode_reader2["default"].call(this); } var properties = { CODE_SHIFT: { value: 98 }, CODE_C: { value: 99 }, CODE_B: { value: 100 }, CODE_A: { value: 101 }, START_CODE_A: { value: 103 }, START_CODE_B: { value: 104 }, START_CODE_C: { value: 105 }, STOP_CODE: { value: 106 }, MODULO: { value: 11 }, CODE_PATTERN: { value: [[2, 1, 2, 2, 2, 2], [2, 2, 2, 1, 2, 2], [2, 2, 2, 2, 2, 1], [1, 2, 1, 2, 2, 3], [1, 2, 1, 3, 2, 2], [1, 3, 1, 2, 2, 2], [1, 2, 2, 2, 1, 3], [1, 2, 2, 3, 1, 2], [1, 3, 2, 2, 1, 2], [2, 2, 1, 2, 1, 3], [2, 2, 1, 3, 1, 2], [2, 3, 1, 2, 1, 2], [1, 1, 2, 2, 3, 2], [1, 2, 2, 1, 3, 2], [1, 2, 2, 2, 3, 1], [1, 1, 3, 2, 2, 2], [1, 2, 3, 1, 2, 2], [1, 2, 3, 2, 2, 1], [2, 2, 3, 2, 1, 1], [2, 2, 1, 1, 3, 2], [2, 2, 1, 2, 3, 1], [2, 1, 3, 2, 1, 2], [2, 2, 3, 1, 1, 2], [3, 1, 2, 1, 3, 1], [3, 1, 1, 2, 2, 2], [3, 2, 1, 1, 2, 2], [3, 2, 1, 2, 2, 1], [3, 1, 2, 2, 1, 2], [3, 2, 2, 1, 1, 2], [3, 2, 2, 2, 1, 1], [2, 1, 2, 1, 2, 3], [2, 1, 2, 3, 2, 1], [2, 3, 2, 1, 2, 1], [1, 1, 1, 3, 2, 3], [1, 3, 1, 1, 2, 3], [1, 3, 1, 3, 2, 1], [1, 1, 2, 3, 1, 3], [1, 3, 2, 1, 1, 3], [1, 3, 2, 3, 1, 1], [2, 1, 1, 3, 1, 3], [2, 3, 1, 1, 1, 3], [2, 3, 1, 3, 1, 1], [1, 1, 2, 1, 3, 3], [1, 1, 2, 3, 3, 1], [1, 3, 2, 1, 3, 1], [1, 1, 3, 1, 2, 3], [1, 1, 3, 3, 2, 1], [1, 3, 3, 1, 2, 1], [3, 1, 3, 1, 2, 1], [2, 1, 1, 3, 3, 1], [2, 3, 1, 1, 3, 1], [2, 1, 3, 1, 1, 3], [2, 1, 3, 3, 1, 1], [2, 1, 3, 1, 3, 1], [3, 1, 1, 1, 2, 3], [3, 1, 1, 3, 2, 1], [3, 3, 1, 1, 2, 1], [3, 1, 2, 1, 1, 3], [3, 1, 2, 3, 1, 1], [3, 3, 2, 1, 1, 1], [3, 1, 4, 1, 1, 1], [2, 2, 1, 4, 1, 1], [4, 3, 1, 1, 1, 1], [1, 1, 1, 2, 2, 4], [1, 1, 1, 4, 2, 2], [1, 2, 1, 1, 2, 4], [1, 2, 1, 4, 2, 1], [1, 4, 1, 1, 2, 2], [1, 4, 1, 2, 2, 1], [1, 1, 2, 2, 1, 4], [1, 1, 2, 4, 1, 2], [1, 2, 2, 1, 1, 4], [1, 2, 2, 4, 1, 1], [1, 4, 2, 1, 1, 2], [1, 4, 2, 2, 1, 1], [2, 4, 1, 2, 1, 1], [2, 2, 1, 1, 1, 4], [4, 1, 3, 1, 1, 1], [2, 4, 1, 1, 1, 2], [1, 3, 4, 1, 1, 1], [1, 1, 1, 2, 4, 2], [1, 2, 1, 1, 4, 2], [1, 2, 1, 2, 4, 1], [1, 1, 4, 2, 1, 2], [1, 2, 4, 1, 1, 2], [1, 2, 4, 2, 1, 1], [4, 1, 1, 2, 1, 2], [4, 2, 1, 1, 1, 2], [4, 2, 1, 2, 1, 1], [2, 1, 2, 1, 4, 1], [2, 1, 4, 1, 2, 1], [4, 1, 2, 1, 2, 1], [1, 1, 1, 1, 4, 3], [1, 1, 1, 3, 4, 1], [1, 3, 1, 1, 4, 1], [1, 1, 4, 1, 1, 3], [1, 1, 4, 3, 1, 1], [4, 1, 1, 1, 1, 3], [4, 1, 1, 3, 1, 1], [1, 1, 3, 1, 4, 1], [1, 1, 4, 1, 3, 1], [3, 1, 1, 1, 4, 1], [4, 1, 1, 1, 3, 1], [2, 1, 1, 4, 1, 2], [2, 1, 1, 2, 1, 4], [2, 1, 1, 2, 3, 2], [2, 3, 3, 1, 1, 1, 2]] }, SINGLE_CODE_ERROR: { value: 1 }, AVG_CODE_ERROR: { value: 0.5 }, FORMAT: { value: "code_128", writeable: false } }; Code128Reader.prototype = Object.create(_barcode_reader2["default"].prototype, properties); Code128Reader.prototype.constructor = Code128Reader; Code128Reader.prototype._decodeCode = function (start) { var counter = [0, 0, 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, normalized; for (i = offset; i < self._row.length; i++) { if (self._row[i] ^ isWhite) { counter[counterPos]++; } else { if (counterPos === counter.length - 1) { normalized = self._normalize(counter); if (normalized) { for (code = 0; code < self.CODE_PATTERN.length; code++) { error = self._matchPattern(normalized, self.CODE_PATTERN[code]); if (error < bestMatch.error) { bestMatch.code = code; bestMatch.error = error; } } bestMatch.end = i; return bestMatch; } } else { counterPos++; } counter[counterPos] = 1; isWhite = !isWhite; } } return null; }; Code128Reader.prototype._findStart = function () { var counter = [0, 0, 0, 0, 0, 0], i, self = this, offset = self._nextSet(self._row), isWhite = false, counterPos = 0, bestMatch = { error: Number.MAX_VALUE, code: -1, start: 0, end: 0 }, code, error, j, sum, normalized; 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]; } normalized = self._normalize(counter); if (normalized) { for (code = self.START_CODE_A; code <= self.START_CODE_C; code++) { error = self._matchPattern(normalized, self.CODE_PATTERN[code]); if (error < bestMatch.error) { bestMatch.code = code; bestMatch.error = error; } } if (bestMatch.error < self.AVG_CODE_ERROR) { bestMatch.start = i - sum; bestMatch.end = i; return bestMatch; } } for (j = 0; j < 4; j++) { counter[j] = counter[j + 2]; } counter[4] = 0; counter[5] = 0; counterPos--; } else { counterPos++; } counter[counterPos] = 1; isWhite = !isWhite; } } return null; }; Code128Reader.prototype._decode = function () { var self = this, startInfo = self._findStart(), code = null, done = false, result = [], multiplier = 0, checksum = 0, codeset, rawResult = [], decodedCodes = [], shiftNext = false, unshift; if (startInfo === null) { return null; } code = { code: startInfo.code, start: startInfo.start, end: startInfo.end }; decodedCodes.push(code); checksum = code.code; switch (code.code) { case self.START_CODE_A: codeset = self.CODE_A; break; case self.START_CODE_B: codeset = self.CODE_B; break; case self.START_CODE_C: codeset = self.CODE_C; break; default: return null; } while (!done) { unshift = shiftNext; shiftNext = false; code = self._decodeCode(code.end); if (code !== null) { if (code.code !== self.STOP_CODE) { rawResult.push(code.code); multiplier++; checksum += multiplier * code.code; } decodedCodes.push(code); switch (codeset) { case self.CODE_A: if (code.code < 64) { result.push(String.fromCharCode(32 + code.code)); } else if (code.code < 96) { result.push(String.fromCharCode(code.code - 64)); } else { switch (code.code) { case self.CODE_SHIFT: shiftNext = true; codeset = self.CODE_B; break; case self.CODE_B: codeset = self.CODE_B; break; case self.CODE_C: codeset = self.CODE_C; break; case self.STOP_CODE: done = true; break; } } break; case self.CODE_B: if (code.code < 96) { result.push(String.fromCharCode(32 + code.code)); } else { switch (code.code) { case self.CODE_SHIFT: shiftNext = true; codeset = self.CODE_A; break; case self.CODE_A: codeset = self.CODE_A; break; case self.CODE_C: codeset = self.CODE_C; break; case self.STOP_CODE: done = true; break; } } break; case self.CODE_C: if (code.code < 100) { result.push(code.code < 10 ? "0" + code.code : code.code); } switch (code.code) { case self.CODE_A: codeset = self.CODE_A; break; case self.CODE_B: codeset = self.CODE_B; break; case self.STOP_CODE: done = true; break; } break; } } else { done = true; } if (unshift) { codeset = codeset === self.CODE_A ? self.CODE_B : self.CODE_A; } } if (code === null) { return null; } // find end bar code.end = self._nextUnset(self._row, code.end); if (!self._verifyTrailingWhitespace(code)) { return null; } // checksum // Does not work correctly yet!!! startcode - endcode? checksum -= multiplier * rawResult[rawResult.length - 1]; if (checksum % 103 !== rawResult[rawResult.length - 1]) { return null; } if (!result.length) { return null; } // remove last code from result (checksum) result.splice(result.length - 1, 1); return { code: result.join(""), start: startInfo.start, end: code.end, codeset: codeset, startInfo: startInfo, decodedCodes: decodedCodes, endInfo: code }; }; _barcode_reader2["default"].prototype._verifyTrailingWhitespace = function (endInfo) { var self = this, trailingWhitespaceEnd; trailingWhitespaceEnd = endInfo.end + (endInfo.end - endInfo.start) / 2; if (trailingWhitespaceEnd < self._row.length) { if (self._matchRange(endInfo.end, trailingWhitespaceEnd, 0)) { return endInfo; } } return null; }; exports["default"] = Code128Reader; module.exports = exports["default"]; /***/ }, /* 17 */ /***/ function(module, exports) { 'use strict'; Object.defineProperty(exports, '__esModule', { value: true }); function BarcodeReader(config) { this._row = []; this.config = config || {}; 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) { var i, error = 0, singleError = 0, modulo = this.MODULO, maxSingleError = this.SINGLE_CODE_ERROR || 1; for (i = 0; i < counter.length; i++) { singleError = Math.abs(code[i] - counter[i]); 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._normalize = function (counter, modulo) { var i, self = this, sum = 0, ratio, numOnes = 0, normalized = [], norm = 0; if (!modulo) { modulo = self.MODULO; } for (i = 0; i < counter.length; i++) { if (counter[i] === 1) { numOnes++; } else { sum += counter[i]; } } ratio = sum / (modulo - numOnes); if (ratio > 1.0) { for (i = 0; i < counter.length; i++) { norm = counter[i] === 1 ? counter[i] : counter[i] / ratio; normalized.push(norm); } } else { ratio = (sum + numOnes) / modulo; for (i = 0; i < counter.length; i++) { norm = counter[i] / ratio; normalized.push(norm); } } return normalized; }; 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; module.exports = exports['default']; /***/ }, /* 18 */ /***/ function(module, exports, __webpack_require__) { "use strict"; Object.defineProperty(exports, "__esModule", { value: true }); function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { "default": obj }; } var _barcode_reader = __webpack_require__(17); var _barcode_reader2 = _interopRequireDefault(_barcode_reader); function EANReader(opts) { _barcode_reader2["default"].call(this, opts); } var properties = { CODE_L_START: { value: 0 }, MODULO: { value: 7 }, CODE_G_START: { value: 10 }, START_PATTERN: { value: [1 / 3 * 7, 1 / 3 * 7, 1 / 3 * 7] }, STOP_PATTERN: { value: [1 / 3 * 7, 1 / 3 * 7, 1 / 3 * 7] }, MIDDLE_PATTERN: { value: [1 / 5 * 7, 1 / 5 * 7, 1 / 5 * 7, 1 / 5 * 7, 1 / 5 * 7] }, 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: 0.67 }, AVG_CODE_ERROR: { value: 0.27 }, 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, normalized; 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) { normalized = self._normalize(counter); if (normalized) { for (code = 0; code < coderange; code++) { error = self._matchPattern(normalized, 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, normalized; 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]; } normalized = self._normalize(counter); if (normalized) { error = self._matchPattern(normalized, 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 = []; 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; } return { code: result.join(""), start: startInfo.start, end: code.end, codeset: "", startInfo: startInfo, decodedCodes: decodedCodes }; }; 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; }; exports["default"] = EANReader; module.exports = exports["default"]; /***/ }, /* 19 */ /***/ function(module, exports, __webpack_require__) { 'use strict'; Object.defineProperty(exports, '__esModule', { value: true }); function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { 'default': obj }; } var _barcode_reader = __webpack_require__(17); var _barcode_reader2 = _interopRequireDefault(_barcode_reader); var _array_helper = __webpack_require__(8); var _array_helper2 = _interopRequireDefault(_array_helper); 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]); } } }; 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; module.exports = exports['default']; /***/ }, /* 20 */ /***/ function(module, exports, __webpack_require__) { 'use strict'; Object.defineProperty(exports, '__esModule', { value: true }); function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { 'default': obj }; } var _code_39_reader = __webpack_require__(19); var _code_39_reader2 = _interopRequireDefault(_code_39_reader); function Code39VINReader() { _code_39_reader2['default'].call(this); } var patterns = { IOQ: /[IOQ]/g, AZ09: /[A-Z0-9]{17}/ }; Code39VINReader.prototype = Object.create(_code_39_reader2['default'].prototype); Code39VINReader.prototype.constructor = Code39VINReader; // Cribbed from: // https://github.com/zxing/zxing/blob/master/core/src/main/java/com/google/zxing/client/result/VINResultParser.java Code39VINReader.prototype._decode = function () { var result = _code_39_reader2['default'].prototype._decode.apply(this); if (!result) { return null; } var code = result.code; if (!code) { return null; } code = code.replace(patterns.IOQ, ''); if (!code.match(patterns.AZ09)) { console.log('Failed AZ09 pattern code:', code); return null; } if (!this._checkChecksum(code)) { return null; } result.code = code; return result; }; Code39VINReader.prototype._checkChecksum = function (code) { // TODO return !!code; }; exports['default'] = Code39VINReader; module.exports = exports['default']; /***/ }, /* 21 */ /***/ function(module, exports, __webpack_require__) { "use strict"; Object.defineProperty(exports, "__esModule", { value: true }); function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { "default": obj }; } var _barcode_reader = __webpack_require__(17); var _barcode_reader2 = _interopRequireDefault(_barcode_reader); function CodabarReader() { _barcode_reader2["default"].call(this); this._counters = []; } var properties = { ALPHABETH_STRING: { value: "0123456789-$:/.+ABCD" }, ALPHABET: { value: [48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 45, 36, 58, 47, 46, 43, 65, 66, 67, 68] }, CHARACTER_ENCODINGS: { value: [0x003, 0x006, 0x009, 0x060, 0x012, 0x042, 0x021, 0x024, 0x030, 0x048, 0x00c, 0x018, 0x045, 0x051, 0x054, 0x015, 0x01A, 0x029, 0x00B, 0x00E] }, START_END: { value: [0x01A, 0x029, 0x00B, 0x00E] }, MIN_ENCODED_CHARS: { value: 4 }, MAX_ACCEPTABLE: { value: 2.0 }, PADDING: { value: 1.5 }, FORMAT: { value: "codabar", writeable: false } }; CodabarReader.prototype = Object.create(_barcode_reader2["default"].prototype, properties); CodabarReader.prototype.constructor = CodabarReader; CodabarReader.prototype._decode = function () { var self = this, result = [], start, decodedChar, pattern, nextStart, end; this._counters = self._fillCounters(); start = self._findStart(); if (!start) { return null; } nextStart = start.startCounter; do { pattern = self._toPattern(nextStart); if (pattern < 0) { return null; } decodedChar = self._patternToChar(pattern); if (decodedChar < 0) { return null; } result.push(decodedChar); nextStart += 8; if (result.length > 1 && self._isStartEnd(pattern)) { break; } } while (nextStart < self._counters.length); // verify end if (result.length - 2 < self.MIN_ENCODED_CHARS || !self._isStartEnd(pattern)) { return null; } // verify end white space if (!self._verifyWhitespace(start.startCounter, nextStart - 8)) { return null; } if (!self._validateResult(result, start.startCounter)) { return null; } nextStart = nextStart > self._counters.length ? self._counters.length : nextStart; end = start.start + self._sumCounters(start.startCounter, nextStart - 8); return { code: result.join(""), start: start.start, end: end, startInfo: start, decodedCodes: result }; }; CodabarReader.prototype._verifyWhitespace = function (startCounter, endCounter) { if (startCounter - 1 <= 0 || this._counters[startCounter - 1] >= this._calculatePatternLength(startCounter) / 2.0) { if (endCounter + 8 >= this._counters.length || this._counters[endCounter + 7] >= this._calculatePatternLength(endCounter) / 2.0) { return true; } } return false; }; CodabarReader.prototype._calculatePatternLength = function (offset) { var i, sum = 0; for (i = offset; i < offset + 7; i++) { sum += this._counters[i]; } return sum; }; CodabarReader.prototype._thresholdResultPattern = function (result, startCounter) { var self = this, categorization = { space: { narrow: { size: 0, counts: 0, min: 0, max: Number.MAX_VALUE }, wide: { size: 0, counts: 0, min: 0, max: Number.MAX_VALUE } }, bar: { narrow: { size: 0, counts: 0, min: 0, max: Number.MAX_VALUE }, wide: { size: 0, counts: 0, min: 0, max: Number.MAX_VALUE } } }, kind, cat, i, j, pos = startCounter, pattern; for (i = 0; i < result.length; i++) { pattern = self._charToPattern(result[i]); for (j = 6; j >= 0; j--) { kind = (j & 1) === 2 ? categorization.bar : categorization.space; cat = (pattern & 1) === 1 ? kind.wide : kind.narrow; cat.size += self._counters[pos + j]; cat.counts++; pattern >>= 1; } pos += 8; } ["space", "bar"].forEach(function (key) { var newkind = categorization[key]; newkind.wide.min = Math.floor((newkind.narrow.size / newkind.narrow.counts + newkind.wide.size / newkind.wide.counts) / 2); newkind.narrow.max = Math.ceil(newkind.wide.min); newkind.wide.max = Math.ceil((newkind.wide.size * self.MAX_ACCEPTABLE + self.PADDING) / newkind.wide.counts); }); return categorization; }; CodabarReader.prototype._charToPattern = function (char) { var self = this, charCode = char.charCodeAt(0), i; for (i = 0; i < self.ALPHABET.length; i++) { if (self.ALPHABET[i] === charCode) { return self.CHARACTER_ENCODINGS[i]; } } return 0x0; }; CodabarReader.prototype._validateResult = function (result, startCounter) { var self = this, thresholds = self._thresholdResultPattern(result, startCounter), i, j, kind, cat, size, pos = startCounter, pattern; for (i = 0; i < result.length; i++) { pattern = self._charToPattern(result[i]); for (j = 6; j >= 0; j--) { kind = (j & 1) === 0 ? thresholds.bar : thresholds.space; cat = (pattern & 1) === 1 ? kind.wide : kind.narrow; size = self._counters[pos + j]; if (size < cat.min || size > cat.max) { return false; } pattern >>= 1; } pos += 8; } return true; }; CodabarReader.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; }; CodabarReader.prototype._computeAlternatingThreshold = function (offset, end) { var i, min = Number.MAX_VALUE, max = 0, counter; for (i = offset; i < end; i += 2) { counter = this._counters[i]; if (counter > max) { max = counter; } if (counter < min) { min = counter; } } return (min + max) / 2.0 | 0; }; CodabarReader.prototype._toPattern = function (offset) { var numCounters = 7, end = offset + numCounters, barThreshold, spaceThreshold, bitmask = 1 << numCounters - 1, pattern = 0, i, threshold; if (end > this._counters.length) { return -1; } barThreshold = this._computeAlternatingThreshold(offset, end); spaceThreshold = this._computeAlternatingThreshold(offset + 1, end); for (i = 0; i < numCounters; i++) { threshold = (i & 1) === 0 ? barThreshold : spaceThreshold; if (this._counters[offset + i] > threshold) { pattern |= bitmask; } bitmask >>= 1; } return pattern; }; CodabarReader.prototype._isStartEnd = function (pattern) { var i; for (i = 0; i < this.START_END.length; i++) { if (this.START_END[i] === pattern) { return true; } } return false; }; CodabarReader.prototype._sumCounters = function (start, end) { var i, sum = 0; for (i = start; i < end; i++) { sum += this._counters[i]; } return sum; }; CodabarReader.prototype._findStart = function () { var self = this, i, pattern, start = self._nextUnset(self._row), end; for (i = 1; i < this._counters.length; i++) { pattern = self._toPattern(i); if (pattern !== -1 && self._isStartEnd(pattern)) { // TODO: Look for whitespace ahead start += self._sumCounters(0, i); end = start + self._sumCounters(i, i + 8); return { start: start, end: end, startCounter: i, endCounter: i + 8 }; } } }; exports["default"] = CodabarReader; module.exports = exports["default"]; /***/ }, /* 22 */ /***/ function(module, exports, __webpack_require__) { "use strict"; Object.defineProperty(exports, "__esModule", { value: true }); function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { "default": obj }; } var _ean_reader = __webpack_require__(18); var _ean_reader2 = _interopRequireDefault(_ean_reader); function UPCReader() { _ean_reader2["default"].call(this); } var properties = { FORMAT: { value: "upc_a", writeable: false } }; UPCReader.prototype = Object.create(_ean_reader2["default"].prototype, properties); UPCReader.prototype.constructor = UPCReader; UPCReader.prototype._decode = function () { var result = _ean_reader2["default"].prototype._decode.call(this); if (result && result.code && result.code.length === 13 && result.code.charAt(0) === "0") { result.code = result.code.substring(1); return result; } return null; }; exports["default"] = UPCReader; module.exports = exports["default"]; /***/ }, /* 23 */ /***/ function(module, exports, __webpack_require__) { "use strict"; Object.defineProperty(exports, "__esModule", { value: true }); function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { "default": obj }; } var _ean_reader = __webpack_require__(18); var _ean_reader2 = _interopRequireDefault(_ean_reader); function EAN8Reader() { _ean_reader2["default"].call(this); } var properties = { FORMAT: { value: "ean_8", writeable: false } }; EAN8Reader.prototype = Object.create(_ean_reader2["default"].prototype, properties); EAN8Reader.prototype.constructor = EAN8Reader; EAN8Reader.prototype._decodePayload = function (code, result, decodedCodes) { var i, self = this; for (i = 0; i < 4; i++) { code = self._decodeCode(code.end, self.CODE_G_START); if (!code) { return null; } result.push(code.code); decodedCodes.push(code); } code = self._findPattern(self.MIDDLE_PATTERN, code.end, true, false); if (code === null) { return null; } decodedCodes.push(code); for (i = 0; i < 4; i++) { code = self._decodeCode(code.end, self.CODE_G_START); if (!code) { return null; } decodedCodes.push(code); result.push(code.code); } return code; }; exports["default"] = EAN8Reader; module.exports = exports["default"]; /***/ }, /* 24 */ /***/ function(module, exports, __webpack_require__) { "use strict"; Object.defineProperty(exports, "__esModule", { value: true }); function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { "default": obj }; } var _ean_reader = __webpack_require__(18); var _ean_reader2 = _interopRequireDefault(_ean_reader); function UPCEReader() { _ean_reader2["default"].call(this); } var properties = { CODE_FREQUENCY: { value: [[56, 52, 50, 49, 44, 38, 35, 42, 41, 37], [7, 11, 13, 14, 19, 25, 28, 21, 22, 26]] }, STOP_PATTERN: { value: [1 / 6 * 7, 1 / 6 * 7, 1 / 6 * 7, 1 / 6 * 7, 1 / 6 * 7, 1 / 6 * 7] }, FORMAT: { value: "upc_e", writeable: false } }; UPCEReader.prototype = Object.create(_ean_reader2["default"].prototype, properties); UPCEReader.prototype.constructor = UPCEReader; UPCEReader.prototype._decodePayload = function (code, result, decodedCodes) { var i, self = this, codeFrequency = 0x0; 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; } result.push(code.code); decodedCodes.push(code); } if (!self._determineParity(codeFrequency, result)) { return null; } return code; }; UPCEReader.prototype._determineParity = function (codeFrequency, result) { var i, nrSystem; for (nrSystem = 0; nrSystem < this.CODE_FREQUENCY.length; nrSystem++) { for (i = 0; i < this.CODE_FREQUENCY[nrSystem].length; i++) { if (codeFrequency === this.CODE_FREQUENCY[nrSystem][i]) { result.unshift(nrSystem); result.push(i); return true; } } } return false; }; UPCEReader.prototype._convertToUPCA = function (result) { var upca = [result[0]], lastDigit = result[result.length - 2]; if (lastDigit <= 2) { upca = upca.concat(result.slice(1, 3)).concat([lastDigit, 0, 0, 0, 0]).concat(result.slice(3, 6)); } else if (lastDigit === 3) { upca = upca.concat(result.slice(1, 4)).concat([0, 0, 0, 0, 0]).concat(result.slice(4, 6)); } else if (lastDigit === 4) { upca = upca.concat(result.slice(1, 5)).concat([0, 0, 0, 0, 0, result[5]]); } else { upca = upca.concat(result.slice(1, 6)).concat([0, 0, 0, 0, lastDigit]); } upca.push(result[result.length - 1]); return upca; }; UPCEReader.prototype._checksum = function (result) { return _ean_reader2["default"].prototype._checksum.call(this, this._convertToUPCA(result)); }; UPCEReader.prototype._findEnd = function (offset, isWhite) { isWhite = true; return _ean_reader2["default"].prototype._findEnd.call(this, offset, isWhite); }; UPCEReader.prototype._verifyTrailingWhitespace = function (endInfo) { var self = this, trailingWhitespaceEnd; trailingWhitespaceEnd = endInfo.end + (endInfo.end - endInfo.start) / 2; if (trailingWhitespaceEnd < self._row.length) { if (self._matchRange(endInfo.end, trailingWhitespaceEnd, 0)) { return endInfo; } } }; exports["default"] = UPCEReader; module.exports = exports["default"]; /***/ }, /* 25 */ /***/ function(module, exports, __webpack_require__) { 'use strict'; Object.defineProperty(exports, '__esModule', { value: true }); function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { 'default': obj }; } var _barcode_reader = __webpack_require__(17); var _barcode_reader2 = _interopRequireDefault(_barcode_reader); var merge = __webpack_require__(26); function I2of5Reader(opts) { opts = merge(getDefaulConfig(), opts); _barcode_reader2['default'].call(this, opts); this.barSpaceRatio = [1, 1]; if (opts.normalizeBarSpaceWidth) { this.SINGLE_CODE_ERROR = 0.38; this.AVG_CODE_ERROR = 0.09; } } function getDefaulConfig() { var config = {}; Object.keys(I2of5Reader.CONFIG_KEYS).forEach(function (key) { config[key] = I2of5Reader.CONFIG_KEYS[key]['default']; }); return config; } var N = 1, W = 3, properties = { MODULO: { value: 10 }, START_PATTERN: { value: [N * 2.5, N * 2.5, N * 2.5, N * 2.5] }, STOP_PATTERN: { value: [N * 2, N * 2, W * 2] }, CODE_PATTERN: { value: [[N, N, W, W, N], [W, N, N, N, W], [N, W, N, N, W], [W, W, N, N, N], [N, N, W, N, W], [W, N, W, N, N], [N, W, W, N, N], [N, N, N, W, W], [W, N, N, W, N], [N, W, N, W, N]] }, SINGLE_CODE_ERROR: { value: 0.78, writable: true }, AVG_CODE_ERROR: { value: 0.38, writable: true }, MAX_CORRECTION_FACTOR: { value: 5 }, FORMAT: { value: "i2of5" } }; I2of5Reader.prototype = Object.create(_barcode_reader2['default'].prototype, properties); I2of5Reader.prototype.constructor = I2of5Reader; I2of5Reader.prototype._matchPattern = function (counter, code) { if (this.config.normalizeBarSpaceWidth) { var i, counterSum = [0, 0], codeSum = [0, 0], correction = [0, 0], correctionRatio = this.MAX_CORRECTION_FACTOR, correctionRatioInverse = 1 / correctionRatio; for (i = 0; i < counter.length; i++) { counterSum[i % 2] += counter[i]; codeSum[i % 2] += code[i]; } correction[0] = codeSum[0] / counterSum[0]; correction[1] = codeSum[1] / counterSum[1]; correction[0] = Math.max(Math.min(correction[0], correctionRatio), correctionRatioInverse); correction[1] = Math.max(Math.min(correction[1], correctionRatio), correctionRatioInverse); this.barSpaceRatio = correction; for (i = 0; i < counter.length; i++) { counter[i] *= this.barSpaceRatio[i % 2]; } } return _barcode_reader2['default'].prototype._matchPattern.call(this, counter, code); }; I2of5Reader.prototype._findPattern = function (pattern, offset, isWhite, tryHarder) { var counter = [], self = this, i, counterPos = 0, bestMatch = { error: Number.MAX_VALUE, code: -1, start: 0, end: 0 }, error, j, sum, normalized, epsilon = self.AVG_CODE_ERROR; isWhite = isWhite || false; tryHarder = tryHarder || false; if (!offset) { offset = self._nextSet(self._row); } 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]; } normalized = self._normalize(counter); if (normalized) { error = self._matchPattern(normalized, 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; }; I2of5Reader.prototype._findStart = function () { var self = this, leadingWhitespaceStart, offset = self._nextSet(self._row), startInfo, narrowBarWidth = 1; while (!startInfo) { startInfo = self._findPattern(self.START_PATTERN, offset, false, true); if (!startInfo) { return null; } narrowBarWidth = Math.floor((startInfo.end - startInfo.start) / 4); leadingWhitespaceStart = startInfo.start - narrowBarWidth * 10; if (leadingWhitespaceStart >= 0) { if (self._matchRange(leadingWhitespaceStart, startInfo.start, 0)) { return startInfo; } } offset = startInfo.end; startInfo = null; } }; I2of5Reader.prototype._verifyTrailingWhitespace = function (endInfo) { var self = this, trailingWhitespaceEnd; trailingWhitespaceEnd = endInfo.end + (endInfo.end - endInfo.start) / 2; if (trailingWhitespaceEnd < self._row.length) { if (self._matchRange(endInfo.end, trailingWhitespaceEnd, 0)) { return endInfo; } } return null; }; I2of5Reader.prototype._findEnd = function () { var self = this, endInfo, tmp; self._row.reverse(); endInfo = self._findPattern(self.STOP_PATTERN); self._row.reverse(); if (endInfo === null) { return null; } // reverse numbers tmp = endInfo.start; endInfo.start = self._row.length - endInfo.end; endInfo.end = self._row.length - tmp; return endInfo !== null ? self._verifyTrailingWhitespace(endInfo) : null; }; I2of5Reader.prototype._decodePair = function (counterPair) { var i, code, codes = [], self = this; for (i = 0; i < counterPair.length; i++) { code = self._decodeCode(counterPair[i]); if (!code) { return null; } codes.push(code); } return codes; }; I2of5Reader.prototype._decodeCode = function (counter) { var j, self = this, sum = 0, normalized, error, epsilon = self.AVG_CODE_ERROR, code, bestMatch = { error: Number.MAX_VALUE, code: -1, start: 0, end: 0 }; for (j = 0; j < counter.length; j++) { sum += counter[j]; } normalized = self._normalize(counter); if (normalized) { for (code = 0; code < self.CODE_PATTERN.length; code++) { error = self._matchPattern(normalized, self.CODE_PATTERN[code]); if (error < bestMatch.error) { bestMatch.code = code; bestMatch.error = error; } } if (bestMatch.error < epsilon) { return bestMatch; } } return null; }; I2of5Reader.prototype._decodePayload = function (counters, result, decodedCodes) { var i, self = this, pos = 0, counterLength = counters.length, counterPair = [[0, 0, 0, 0, 0], [0, 0, 0, 0, 0]], codes; while (pos < counterLength) { for (i = 0; i < 5; i++) { counterPair[0][i] = counters[pos] * this.barSpaceRatio[0]; counterPair[1][i] = counters[pos + 1] * this.barSpaceRatio[1]; pos += 2; } codes = self._decodePair(counterPair); if (!codes) { return null; } for (i = 0; i < codes.length; i++) { result.push(codes[i].code + ""); decodedCodes.push(codes[i]); } } return codes; }; I2of5Reader.prototype._verifyCounterLength = function (counters) { return counters.length % 10 === 0; }; I2of5Reader.prototype._decode = function () { var startInfo, endInfo, self = this, code, result = [], decodedCodes = [], counters; startInfo = self._findStart(); if (!startInfo) { return null; } decodedCodes.push(startInfo); endInfo = self._findEnd(); if (!endInfo) { return null; } counters = self._fillCounters(startInfo.end, endInfo.start, false); if (!self._verifyCounterLength(counters)) { return null; } code = self._decodePayload(counters, result, decodedCodes); if (!code) { return null; } if (result.length % 2 !== 0 || result.length < 6) { return null; } decodedCodes.push(endInfo); return { code: result.join(""), start: startInfo.start, end: endInfo.end, startInfo: startInfo, decodedCodes: decodedCodes }; }; I2of5Reader.CONFIG_KEYS = { normalizeBarSpaceWidth: { 'type': 'boolean', 'default': false, 'description': 'If true, the reader tries to normalize the' + 'width-difference between bars and spaces' } }; exports['default'] = I2of5Reader; module.exports = exports['default']; /***/ }, /* 26 */ /***/ function(module, exports, __webpack_require__) { var baseMerge = __webpack_require__(27), createAssigner = __webpack_require__(54); /** * Recursively merges own enumerable properties of the source object(s), that * don't resolve to `undefined` into the destination object. Subsequent sources * overwrite property assignments of previous sources. If `customizer` is * provided it's invoked to produce the merged values of the destination and * source properties. If `customizer` returns `undefined` merging is handled * by the method instead. The `customizer` is bound to `thisArg` and invoked * with five arguments: (objectValue, sourceValue, key, object, source). * * @static * @memberOf _ * @category Object * @param {Object} object The destination object. * @param {...Object} [sources] The source objects. * @param {Function} [customizer] The function to customize assigned values. * @param {*} [thisArg] The `this` binding of `customizer`. * @returns {Object} Returns `object`. * @example * * var users = { * 'data': [{ 'user': 'barney' }, { 'user': 'fred' }] * }; * * var ages = { * 'data': [{ 'age': 36 }, { 'age': 40 }] * }; * * _.merge(users, ages); * // => { 'data': [{ 'user': 'barney', 'age': 36 }, { 'user': 'fred', 'age': 40 }] } * * // using a customizer callback * var object = { * 'fruits': ['apple'], * 'vegetables': ['beet'] * }; * * var other = { * 'fruits': ['banana'], * 'vegetables': ['carrot'] * }; * * _.merge(object, other, function(a, b) { * if (_.isArray(a)) { * return a.concat(b); * } * }); * // => { 'fruits': ['apple', 'banana'], 'vegetables': ['beet', 'carrot'] } */ var merge = createAssigner(baseMerge); module.exports = merge; /***/ }, /* 27 */ /***/ function(module, exports, __webpack_require__) { var arrayEach = __webpack_require__(28), baseMergeDeep = __webpack_require__(29), isArray = __webpack_require__(37), isArrayLike = __webpack_require__(32), isObject = __webpack_require__(41), isObjectLike = __webpack_require__(36), isTypedArray = __webpack_require__(49), keys = __webpack_require__(52); /** * The base implementation of `_.merge` without support for argument juggling, * multiple sources, and `this` binding `customizer` functions. * * @private * @param {Object} object The destination object. * @param {Object} source The source object. * @param {Function} [customizer] The function to customize merged values. * @param {Array} [stackA=[]] Tracks traversed source objects. * @param {Array} [stackB=[]] Associates values with source counterparts. * @returns {Object} Returns `object`. */ function baseMerge(object, source, customizer, stackA, stackB) { if (!isObject(object)) { return object; } var isSrcArr = isArrayLike(source) && (isArray(source) || isTypedArray(source)), props = isSrcArr ? undefined : keys(source); arrayEach(props || source, function(srcValue, key) { if (props) { key = srcValue; srcValue = source[key]; } if (isObjectLike(srcValue)) { stackA || (stackA = []); stackB || (stackB = []); baseMergeDeep(object, source, key, baseMerge, customizer, stackA, stackB); } else { var value = object[key], result = customizer ? customizer(value, srcValue, key, object, source) : undefined, isCommon = result === undefined; if (isCommon) { result = srcValue; } if ((result !== undefined || (isSrcArr && !(key in object))) && (isCommon || (result === result ? (result !== value) : (value === value)))) { object[key] = result; } } }); return object; } module.exports = baseMerge; /***/ }, /* 28 */ /***/ function(module, exports) { /** * A specialized version of `_.forEach` for arrays without support for callback * shorthands and `this` binding. * * @private * @param {Array} array The array to iterate over. * @param {Function} iteratee The function invoked per iteration. * @returns {Array} Returns `array`. */ function arrayEach(array, iteratee) { var index = -1, length = array.length; while (++index < length) { if (iteratee(array[index], index, array) === false) { break; } } return array; } module.exports = arrayEach; /***/ }, /* 29 */ /***/ function(module, exports, __webpack_require__) { var arrayCopy = __webpack_require__(30), isArguments = __webpack_require__(31), isArray = __webpack_require__(37), isArrayLike = __webpack_require__(32), isPlainObject = __webpack_require__(42), isTypedArray = __webpack_require__(49), toPlainObject = __webpack_require__(50); /** * A specialized version of `baseMerge` for arrays and objects which performs * deep merges and tracks traversed objects enabling objects with circular * references to be merged. * * @private * @param {Object} object The destination object. * @param {Object} source The source object. * @param {string} key The key of the value to merge. * @param {Function} mergeFunc The function to merge values. * @param {Function} [customizer] The function to customize merged values. * @param {Array} [stackA=[]] Tracks traversed source objects. * @param {Array} [stackB=[]] Associates values with source counterparts. * @returns {boolean} Returns `true` if the objects are equivalent, else `false`. */ function baseMergeDeep(object, source, key, mergeFunc, customizer, stackA, stackB) { var length = stackA.length, srcValue = source[key]; while (length--) { if (stackA[length] == srcValue) { object[key] = stackB[length]; return; } } var value = object[key], result = customizer ? customizer(value, srcValue, key, object, source) : undefined, isCommon = result === undefined; if (isCommon) { result = srcValue; if (isArrayLike(srcValue) && (isArray(srcValue) || isTypedArray(srcValue))) { result = isArray(value) ? value : (isArrayLike(value) ? arrayCopy(value) : []); } else if (isPlainObject(srcValue) || isArguments(srcValue)) { result = isArguments(value) ? toPlainObject(value) : (isPlainObject(value) ? value : {}); } else { isCommon = false; } } // Add the source value to the stack of traversed objects and associate // it with its merged value. stackA.push(srcValue); stackB.push(result); if (isCommon) { // Recursively merge objects and arrays (susceptible to call stack limits). object[key] = mergeFunc(result, srcValue, customizer, stackA, stackB); } else if (result === result ? (result !== value) : (value === value)) { object[key] = result; } } module.exports = baseMergeDeep; /***/ }, /* 30 */ /***/ function(module, exports) { /** * Copies the values of `source` to `array`. * * @private * @param {Array} source The array to copy values from. * @param {Array} [array=[]] The array to copy values to. * @returns {Array} Returns `array`. */ function arrayCopy(source, array) { var index = -1, length = source.length; array || (array = Array(length)); while (++index < length) { array[index] = source[index]; } return array; } module.exports = arrayCopy; /***/ }, /* 31 */ /***/ function(module, exports, __webpack_require__) { var isArrayLike = __webpack_require__(32), isObjectLike = __webpack_require__(36); /** Used for native method references. */ var objectProto = Object.prototype; /** Used to check objects for own properties. */ var hasOwnProperty = objectProto.hasOwnProperty; /** Native method references. */ var propertyIsEnumerable = objectProto.propertyIsEnumerable; /** * Checks if `value` is classified as an `arguments` object. * * @static * @memberOf _ * @category Lang * @param {*} value The value to check. * @returns {boolean} Returns `true` if `value` is correctly classified, else `false`. * @example * * _.isArguments(function() { return arguments; }()); * // => true * * _.isArguments([1, 2, 3]); * // => false */ function isArguments(value) { return isObjectLike(value) && isArrayLike(value) && hasOwnProperty.call(value, 'callee') && !propertyIsEnumerable.call(value, 'callee'); } module.exports = isArguments; /***/ }, /* 32 */ /***/ function(module, exports, __webpack_require__) { var getLength = __webpack_require__(33), isLength = __webpack_require__(35); /** * Checks if `value` is array-like. * * @private * @param {*} value The value to check. * @returns {boolean} Returns `true` if `value` is array-like, else `false`. */ function isArrayLike(value) { return value != null && isLength(getLength(value)); } module.exports = isArrayLike; /***/ }, /* 33 */ /***/ function(module, exports, __webpack_require__) { var baseProperty = __webpack_require__(34); /** * Gets the "length" property value of `object`. * * **Note:** This function is used to avoid a [JIT bug](https://bugs.webkit.org/show_bug.cgi?id=142792) * that affects Safari on at least iOS 8.1-8.3 ARM64. * * @private * @param {Object} object The object to query. * @returns {*} Returns the "length" value. */ var getLength = baseProperty('length'); module.exports = getLength; /***/ }, /* 34 */ /***/ function(module, exports) { /** * The base implementation of `_.property` without support for deep paths. * * @private * @param {string} key The key of the property to get. * @returns {Function} Returns the new function. */ function baseProperty(key) { return function(object) { return object == null ? undefined : object[key]; }; } module.exports = baseProperty; /***/ }, /* 35 */ /***/ function(module, exports) { /** * Used as the [maximum length](http://ecma-international.org/ecma-262/6.0/#sec-number.max_safe_integer) * of an array-like value. */ var MAX_SAFE_INTEGER = 9007199254740991; /** * Checks if `value` is a valid array-like length. * * **Note:** This function is based on [`ToLength`](http://ecma-international.org/ecma-262/6.0/#sec-tolength). * * @private * @param {*} value The value to check. * @returns {boolean} Returns `true` if `value` is a valid length, else `false`. */ function isLength(value) { return typeof value == 'number' && value > -1 && value % 1 == 0 && value <= MAX_SAFE_INTEGER; } module.exports = isLength; /***/ }, /* 36 */ /***/ function(module, exports) { /** * Checks if `value` is object-like. * * @private * @param {*} value The value to check. * @returns {boolean} Returns `true` if `value` is object-like, else `false`. */ function isObjectLike(value) { return !!value && typeof value == 'object'; } module.exports = isObjectLike; /***/ }, /* 37 */ /***/ function(module, exports, __webpack_require__) { var getNative = __webpack_require__(38), isLength = __webpack_require__(35), isObjectLike = __webpack_require__(36); /** `Object#toString` result references. */ var arrayTag = '[object Array]'; /** Used for native method references. */ var objectProto = Object.prototype; /** * Used to resolve the [`toStringTag`](http://ecma-international.org/ecma-262/6.0/#sec-object.prototype.tostring) * of values. */ var objToString = objectProto.toString; /* Native method references for those with the same name as other `lodash` methods. */ var nativeIsArray = getNative(Array, 'isArray'); /** * Checks if `value` is classified as an `Array` object. * * @static * @memberOf _ * @category Lang * @param {*} value The value to check. * @returns {boolean} Returns `true` if `value` is correctly classified, else `false`. * @example * * _.isArray([1, 2, 3]); * // => true * * _.isArray(function() { return arguments; }()); * // => false */ var isArray = nativeIsArray || function(value) { return isObjectLike(value) && isLength(value.length) && objToString.call(value) == arrayTag; }; module.exports = isArray; /***/ }, /* 38 */ /***/ function(module, exports, __webpack_require__) { var isNative = __webpack_require__(39); /** * 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 = object == null ? undefined : object[key]; return isNative(value) ? value : undefined; } module.exports = getNative; /***/ }, /* 39 */ /***/ function(module, exports, __webpack_require__) { var isFunction = __webpack_require__(40), isObjectLike = __webpack_require__(36); /** Used to detect host constructors (Safari > 5). */ var reIsHostCtor = /^\[object .+?Constructor\]$/; /** Used for native method references. */ var objectProto = Object.prototype; /** Used to resolve the decompiled source of functions. */ var fnToString = Function.prototype.toString; /** Used to check objects for own properties. */ var hasOwnProperty = objectProto.hasOwnProperty; /** Used to detect if a method is native. */ var reIsNative = RegExp('^' + fnToString.call(hasOwnProperty).replace(/[\\^$.*+?()[\]{}|]/g, '\\$&') .replace(/hasOwnProperty|(function).*?(?=\\\()| for .+?(?=\\\])/g, '$1.*?') + '$' ); /** * Checks if `value` is a native function. * * @static * @memberOf _ * @category Lang * @param {*} value The value to check. * @returns {boolean} Returns `true` if `value` is a native function, else `false`. * @example * * _.isNative(Array.prototype.push); * // => true * * _.isNative(_); * // => false */ function isNative(value) { if (value == null) { return false; } if (isFunction(value)) { return reIsNative.test(fnToString.call(value)); } return isObjectLike(value) && reIsHostCtor.test(value); } module.exports = isNative; /***/ }, /* 40 */ /***/ function(module, exports, __webpack_require__) { var isObject = __webpack_require__(41); /** `Object#toString` result references. */ var funcTag = '[object Function]'; /** Used for native method references. */ var objectProto = Object.prototype; /** * Used to resolve the [`toStringTag`](http://ecma-international.org/ecma-262/6.0/#sec-object.prototype.tostring) * of values. */ var objToString = objectProto.toString; /** * Checks if `value` is classified as a `Function` object. * * @static * @memberOf _ * @category Lang * @param {*} value The value to check. * @returns {boolean} Returns `true` if `value` is correctly classified, else `false`. * @example * * _.isFunction(_); * // => true * * _.isFunction(/abc/); * // => false */ function isFunction(value) { // The use of `Object#toString` avoids issues with the `typeof` operator // in older versions of Chrome and Safari which return 'function' for regexes // and Safari 8 which returns 'object' for typed array constructors. return isObject(value) && objToString.call(value) == funcTag; } module.exports = isFunction; /***/ }, /* 41 */ /***/ function(module, exports) { /** * Checks if `value` is the [language type](https://es5.github.io/#x8) of `Object`. * (e.g. arrays, functions, objects, regexes, `new Number(0)`, and `new String('')`) * * @static * @memberOf _ * @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(1); * // => false */ function isObject(value) { // Avoid a V8 JIT bug in Chrome 19-20. // See https://code.google.com/p/v8/issues/detail?id=2291 for more details. var type = typeof value; return !!value && (type == 'object' || type == 'function'); } module.exports = isObject; /***/ }, /* 42 */ /***/ function(module, exports, __webpack_require__) { var baseForIn = __webpack_require__(43), isArguments = __webpack_require__(31), isObjectLike = __webpack_require__(36); /** `Object#toString` result references. */ var objectTag = '[object Object]'; /** Used for native method references. */ var objectProto = Object.prototype; /** Used to check objects for own properties. */ var hasOwnProperty = objectProto.hasOwnProperty; /** * Used to resolve the [`toStringTag`](http://ecma-international.org/ecma-262/6.0/#sec-object.prototype.tostring) * of values. */ var objToString = objectProto.toString; /** * Checks if `value` is a plain object, that is, an object created by the * `Object` constructor or one with a `[[Prototype]]` of `null`. * * **Note:** This method assumes objects created by the `Object` constructor * have no inherited enumerable properties. * * @static * @memberOf _ * @category Lang * @param {*} value The value to check. * @returns {boolean} Returns `true` if `value` is a plain object, else `false`. * @example * * function Foo() { * this.a = 1; * } * * _.isPlainObject(new Foo); * // => false * * _.isPlainObject([1, 2, 3]); * // => false * * _.isPlainObject({ 'x': 0, 'y': 0 }); * // => true * * _.isPlainObject(Object.create(null)); * // => true */ function isPlainObject(value) { var Ctor; // Exit early for non `Object` objects. if (!(isObjectLike(value) && objToString.call(value) == objectTag && !isArguments(value)) || (!hasOwnProperty.call(value, 'constructor') && (Ctor = value.constructor, typeof Ctor == 'function' && !(Ctor instanceof Ctor)))) { return false; } // IE < 9 iterates inherited properties before own properties. If the first // iterated property is an object's own property then there are no inherited // enumerable properties. var result; // In most environments an object's own properties are iterated before // its inherited properties. If the last iterated property is an object's // own property then there are no inherited enumerable properties. baseForIn(value, function(subValue, key) { result = key; }); return result === undefined || hasOwnProperty.call(value, result); } module.exports = isPlainObject; /***/ }, /* 43 */ /***/ function(module, exports, __webpack_require__) { var baseFor = __webpack_require__(44), keysIn = __webpack_require__(47); /** * The base implementation of `_.forIn` without support for callback * shorthands and `this` binding. * * @private * @param {Object} object The object to iterate over. * @param {Function} iteratee The function invoked per iteration. * @returns {Object} Returns `object`. */ function baseForIn(object, iteratee) { return baseFor(object, iteratee, keysIn); } module.exports = baseForIn; /***/ }, /* 44 */ /***/ function(module, exports, __webpack_require__) { var createBaseFor = __webpack_require__(45); /** * The base implementation of `baseForIn` and `baseForOwn` which iterates * over `object` properties returned by `keysFunc` invoking `iteratee` for * each property. Iteratee functions may exit iteration early by explicitly * returning `false`. * * @private * @param {Object} object The object to iterate over. * @param {Function} iteratee The function invoked per iteration. * @param {Function} keysFunc The function to get the keys of `object`. * @returns {Object} Returns `object`. */ var baseFor = createBaseFor(); module.exports = baseFor; /***/ }, /* 45 */ /***/ function(module, exports, __webpack_require__) { var toObject = __webpack_require__(46); /** * Creates a base function for `_.forIn` or `_.forInRight`. * * @private * @param {boolean} [fromRight] Specify iterating from right to left. * @returns {Function} Returns the new base function. */ function createBaseFor(fromRight) { return function(object, iteratee, keysFunc) { var iterable = toObject(object), props = keysFunc(object), length = props.length, index = fromRight ? length : -1; while ((fromRight ? index-- : ++index < length)) { var key = props[index]; if (iteratee(iterable[key], key, iterable) === false) { break; } } return object; }; } module.exports = createBaseFor; /***/ }, /* 46 */ /***/ function(module, exports, __webpack_require__) { var isObject = __webpack_require__(41); /** * Converts `value` to an object if it's not one. * * @private * @param {*} value The value to process. * @returns {Object} Returns the object. */ function toObject(value) { return isObject(value) ? value : Object(value); } module.exports = toObject; /***/ }, /* 47 */ /***/ function(module, exports, __webpack_require__) { var isArguments = __webpack_require__(31), isArray = __webpack_require__(37), isIndex = __webpack_require__(48), isLength = __webpack_require__(35), isObject = __webpack_require__(41); /** Used for native method references. */ var objectProto = Object.prototype; /** Used to check objects for own properties. */ var hasOwnProperty = objectProto.hasOwnProperty; /** * Creates an array of the own and inherited enumerable property names of `object`. * * **Note:** Non-object values are coerced to objects. * * @static * @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; * * _.keysIn(new Foo); * // => ['a', 'b', 'c'] (iteration order is not guaranteed) */ function keysIn(object) { if (object == null) { return []; } if (!isObject(object)) { object = Object(object); } var length = object.length; length = (length && isLength(length) && (isArray(object) || isArguments(object)) && length) || 0; var Ctor = object.constructor, index = -1, isProto = typeof Ctor == 'function' && Ctor.prototype === object, result = Array(length), skipIndexes = length > 0; while (++index < length) { result[index] = (index + ''); } for (var key in object) { if (!(skipIndexes && isIndex(key, length)) && !(key == 'constructor' && (isProto || !hasOwnProperty.call(object, key)))) { result.push(key); } } return result; } module.exports = keysIn; /***/ }, /* 48 */ /***/ function(module, exports) { /** Used to detect unsigned integer values. */ var reIsUint = /^\d+$/; /** * Used as the [maximum length](http://ecma-international.org/ecma-262/6.0/#sec-number.max_safe_integer) * of an array-like value. */ var MAX_SAFE_INTEGER = 9007199254740991; /** * 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) { value = (typeof value == 'number' || reIsUint.test(value)) ? +value : -1; length = length == null ? MAX_SAFE_INTEGER : length; return value > -1 && value % 1 == 0 && value < length; } module.exports = isIndex; /***/ }, /* 49 */ /***/ function(module, exports, __webpack_require__) { var isLength = __webpack_require__(35), isObjectLike = __webpack_require__(36); /** `Object#toString` result references. */ var argsTag = '[object Arguments]', arrayTag = '[object Array]', boolTag = '[object Boolean]', dateTag = '[object Date]', errorTag = '[object Error]', funcTag = '[object Function]', mapTag = '[object Map]', numberTag = '[object Number]', objectTag = '[object Object]', regexpTag = '[object RegExp]', setTag = '[object Set]', stringTag = '[object String]', weakMapTag = '[object WeakMap]'; var arrayBufferTag = '[object ArrayBuffer]', float32Tag = '[object Float32Array]', float64Tag = '[object Float64Array]', int8Tag = '[object Int8Array]', int16Tag = '[object Int16Array]', int32Tag = '[object Int32Array]', uint8Tag = '[object Uint8Array]', uint8ClampedTag = '[object Uint8ClampedArray]', uint16Tag = '[object Uint16Array]', uint32Tag = '[object Uint32Array]'; /** Used to identify `toStringTag` values of typed arrays. */ var typedArrayTags = {}; typedArrayTags[float32Tag] = typedArrayTags[float64Tag] = typedArrayTags[int8Tag] = typedArrayTags[int16Tag] = typedArrayTags[int32Tag] = typedArrayTags[uint8Tag] = typedArrayTags[uint8ClampedTag] = typedArrayTags[uint16Tag] = typedArrayTags[uint32Tag] = true; typedArrayTags[argsTag] = typedArrayTags[arrayTag] = typedArrayTags[arrayBufferTag] = typedArrayTags[boolTag] = typedArrayTags[dateTag] = typedArrayTags[errorTag] = typedArrayTags[funcTag] = typedArrayTags[mapTag] = typedArrayTags[numberTag] = typedArrayTags[objectTag] = typedArrayTags[regexpTag] = typedArrayTags[setTag] = typedArrayTags[stringTag] = typedArrayTags[weakMapTag] = false; /** Used for native method references. */ var objectProto = Object.prototype; /** * Used to resolve the [`toStringTag`](http://ecma-international.org/ecma-262/6.0/#sec-object.prototype.tostring) * of values. */ var objToString = objectProto.toString; /** * Checks if `value` is classified as a typed array. * * @static * @memberOf _ * @category Lang * @param {*} value The value to check. * @returns {boolean} Returns `true` if `value` is correctly classified, else `false`. * @example * * _.isTypedArray(new Uint8Array); * // => true * * _.isTypedArray([]); * // => false */ function isTypedArray(value) { return isObjectLike(value) && isLength(value.length) && !!typedArrayTags[objToString.call(value)]; } module.exports = isTypedArray; /***/ }, /* 50 */ /***/ function(module, exports, __webpack_require__) { var baseCopy = __webpack_require__(51), keysIn = __webpack_require__(47); /** * Converts `value` to a plain object flattening inherited enumerable * properties of `value` to own properties of the plain object. * * @static * @memberOf _ * @category Lang * @param {*} value The value to convert. * @returns {Object} Returns the converted plain object. * @example * * function Foo() { * this.b = 2; * } * * Foo.prototype.c = 3; * * _.assign({ 'a': 1 }, new Foo); * // => { 'a': 1, 'b': 2 } * * _.assign({ 'a': 1 }, _.toPlainObject(new Foo)); * // => { 'a': 1, 'b': 2, 'c': 3 } */ function toPlainObject(value) { return baseCopy(value, keysIn(value)); } module.exports = toPlainObject; /***/ }, /* 51 */ /***/ function(module, exports) { /** * Copies properties of `source` to `object`. * * @private * @param {Object} source The object to copy properties from. * @param {Array} props The property names to copy. * @param {Object} [object={}] The object to copy properties to. * @returns {Object} Returns `object`. */ function baseCopy(source, props, object) { object || (object = {}); var index = -1, length = props.length; while (++index < length) { var key = props[index]; object[key] = source[key]; } return object; } module.exports = baseCopy; /***/ }, /* 52 */ /***/ function(module, exports, __webpack_require__) { var getNative = __webpack_require__(38), isArrayLike = __webpack_require__(32), isObject = __webpack_require__(41), shimKeys = __webpack_require__(53); /* Native method references for those with the same name as other `lodash` methods. */ var nativeKeys = getNative(Object, 'keys'); /** * 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-262/6.0/#sec-object.keys) * for more details. * * @static * @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'] */ var keys = !nativeKeys ? shimKeys : function(object) { var Ctor = object == null ? undefined : object.constructor; if ((typeof Ctor == 'function' && Ctor.prototype === object) || (typeof object != 'function' && isArrayLike(object))) { return shimKeys(object); } return isObject(object) ? nativeKeys(object) : []; }; module.exports = keys; /***/ }, /* 53 */ /***/ function(module, exports, __webpack_require__) { var isArguments = __webpack_require__(31), isArray = __webpack_require__(37), isIndex = __webpack_require__(48), isLength = __webpack_require__(35), keysIn = __webpack_require__(47); /** Used for native method references. */ var objectProto = Object.prototype; /** Used to check objects for own properties. */ var hasOwnProperty = objectProto.hasOwnProperty; /** * A fallback implementation of `Object.keys` which creates an array of the * own enumerable property names of `object`. * * @private * @param {Object} object The object to query. * @returns {Array} Returns the array of property names. */ function shimKeys(object) { var props = keysIn(object), propsLength = props.length, length = propsLength && object.length; var allowIndexes = !!length && isLength(length) && (isArray(object) || isArguments(object)); var index = -1, result = []; while (++index < propsLength) { var key = props[index]; if ((allowIndexes && isIndex(key, length)) || hasOwnProperty.call(object, key)) { result.push(key); } } return result; } module.exports = shimKeys; /***/ }, /* 54 */ /***/ function(module, exports, __webpack_require__) { var bindCallback = __webpack_require__(55), isIterateeCall = __webpack_require__(57), restParam = __webpack_require__(58); /** * Creates a `_.assign`, `_.defaults`, or `_.merge` function. * * @private * @param {Function} assigner The function to assign values. * @returns {Function} Returns the new assigner function. */ function createAssigner(assigner) { return restParam(function(object, sources) { var index = -1, length = object == null ? 0 : sources.length, customizer = length > 2 ? sources[length - 2] : undefined, guard = length > 2 ? sources[2] : undefined, thisArg = length > 1 ? sources[length - 1] : undefined; if (typeof customizer == 'function') { customizer = bindCallback(customizer, thisArg, 5); length -= 2; } else { customizer = typeof thisArg == 'function' ? thisArg : undefined; length -= (customizer ? 1 : 0); } if (guard && isIterateeCall(sources[0], sources[1], guard)) { customizer = length < 3 ? undefined : customizer; length = 1; } while (++index < length) { var source = sources[index]; if (source) { assigner(object, source, customizer); } } return object; }); } module.exports = createAssigner; /***/ }, /* 55 */ /***/ function(module, exports, __webpack_require__) { var identity = __webpack_require__(56); /** * A specialized version of `baseCallback` which only supports `this` binding * and specifying the number of arguments to provide to `func`. * * @private * @param {Function} func The function to bind. * @param {*} thisArg The `this` binding of `func`. * @param {number} [argCount] The number of arguments to provide to `func`. * @returns {Function} Returns the callback. */ function bindCallback(func, thisArg, argCount) { if (typeof func != 'function') { return identity; } if (thisArg === undefined) { return func; } switch (argCount) { case 1: return function(value) { return func.call(thisArg, value); }; case 3: return function(value, index, collection) { return func.call(thisArg, value, index, collection); }; case 4: return function(accumulator, value, index, collection) { return func.call(thisArg, accumulator, value, index, collection); }; case 5: return function(value, other, key, object, source) { return func.call(thisArg, value, other, key, object, source); }; } return function() { return func.apply(thisArg, arguments); }; } module.exports = bindCallback; /***/ }, /* 56 */ /***/ function(module, exports) { /** * This method returns the first argument provided to it. * * @static * @memberOf _ * @category Utility * @param {*} value Any value. * @returns {*} Returns `value`. * @example * * var object = { 'user': 'fred' }; * * _.identity(object) === object; * // => true */ function identity(value) { return value; } module.exports = identity; /***/ }, /* 57 */ /***/ function(module, exports, __webpack_require__) { var isArrayLike = __webpack_require__(32), isIndex = __webpack_require__(48), isObject = __webpack_require__(41); /** * Checks if the provided arguments are from an iteratee call. * * @private * @param {*} value The potential iteratee value argument. * @param {*} index The potential iteratee index or key argument. * @param {*} object The potential iteratee object argument. * @returns {boolean} Returns `true` if the arguments are from an iteratee call, else `false`. */ function isIterateeCall(value, index, object) { if (!isObject(object)) { return false; } var type = typeof index; if (type == 'number' ? (isArrayLike(object) && isIndex(index, object.length)) : (type == 'string' && index in object)) { var other = object[index]; return value === value ? (value === other) : (other !== other); } return false; } module.exports = isIterateeCall; /***/ }, /* 58 */ /***/ function(module, exports) { /** Used as the `TypeError` message for "Functions" methods. */ var FUNC_ERROR_TEXT = 'Expected a function'; /* Native method references for those with the same name as other `lodash` methods. */ var nativeMax = Math.max; /** * Creates a function that invokes `func` with the `this` binding of the * created function and arguments from `start` and beyond provided as an array. * * **Note:** This method is based on the [rest parameter](https://developer.mozilla.org/Web/JavaScript/Reference/Functions/rest_parameters). * * @static * @memberOf _ * @category Function * @param {Function} func The function to apply a rest parameter to. * @param {number} [start=func.length-1] The start position of the rest parameter. * @returns {Function} Returns the new function. * @example * * var say = _.restParam(function(what, names) { * return what + ' ' + _.initial(names).join(', ') + * (_.size(names) > 1 ? ', & ' : '') + _.last(names); * }); * * say('hello', 'fred', 'barney', 'pebbles'); * // => 'hello fred, barney, & pebbles' */ function restParam(func, start) { if (typeof func != 'function') { throw new TypeError(FUNC_ERROR_TEXT); } start = nativeMax(start === undefined ? (func.length - 1) : (+start || 0), 0); return function() { var args = arguments, index = -1, length = nativeMax(args.length - start, 0), rest = Array(length); while (++index < length) { rest[index] = args[start + index]; } switch (start) { case 0: return func.call(this, rest); case 1: return func.call(this, args[0], rest); case 2: return func.call(this, args[0], args[1], rest); } var otherArgs = Array(start + 1); index = -1; while (++index < start) { otherArgs[index] = args[index]; } otherArgs[start] = rest; return func.apply(this, otherArgs); }; } module.exports = restParam; /***/ }, /* 59 */ /***/ function(module, exports) { "use strict"; Object.defineProperty(exports, "__esModule", { value: true }); exports["default"] = { inputStream: { name: "Live", type: "LiveStream", constraints: { width: 640, height: 480, minAspectRatio: 0, maxAspectRatio: 100, facing: "environment" // or user }, area: { top: "0%", right: "0%", left: "0%", bottom: "0%" }, singleChannel: false // true: only the red color-channel is read }, tracking: false, debug: false, controls: false, locate: true, numOfWorkers: 4, visual: { show: true }, decoder: { drawBoundingBox: false, showFrequency: false, drawScanline: false, showPattern: false, readers: ['code_128_reader'] }, locator: { halfSample: true, patchSize: "medium", // x-small, small, medium, large, x-large showCanvas: false, showPatches: false, showFoundPatches: false, showSkeleton: false, showLabels: false, showPatchLabels: false, showRemainingPatchLabels: false, boxFromPatches: { showTransformed: false, showTransformedBox: false, showBB: false } } }; module.exports = exports["default"]; /***/ }, /* 60 */ /***/ function(module, exports) { "use strict"; Object.defineProperty(exports, "__esModule", { value: true }); exports["default"] = (function () { 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; event.subscribers = subscribers.filter(function (subscriber) { publishSubscription(subscriber, data); return !subscriber.once; }); }, 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(); } } }; })(); module.exports = exports["default"]; /***/ }, /* 61 */ /***/ function(module, exports, __webpack_require__) { 'use strict'; Object.defineProperty(exports, '__esModule', { value: true }); var merge = __webpack_require__(26); var streamRef, loadedDataHandler; /** * Wraps browser-specific getUserMedia * @param {Object} constraints * @param {Object} success Callback * @param {Object} failure Callback */ function getUserMedia(constraints, success, failure) { if (typeof navigator.getUserMedia !== 'undefined') { navigator.getUserMedia(constraints, function (stream) { streamRef = stream; var videoSrc = window.URL && window.URL.createObjectURL(stream) || stream; success.apply(null, [videoSrc]); }, failure); } else { failure(new TypeError("getUserMedia not available")); } } function loadedData(video, callback) { var attempts = 10; function checkVideo() { if (attempts > 0) { if (video.videoWidth > 0 && video.videoHeight > 0) { console.log(video.videoWidth + "px x " + video.videoHeight + "px"); callback(); } else { window.setTimeout(checkVideo, 500); } } else { callback('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 * @param {Object} callback */ function initCamera(constraints, video, callback) { getUserMedia(constraints, function (src) { video.src = src; if (loadedDataHandler) { video.removeEventListener("loadeddata", loadedDataHandler, false); } loadedDataHandler = loadedData.bind(null, video, callback); video.addEventListener('loadeddata', loadedDataHandler, false); video.play(); }, function (e) { callback(e); }); } /** * Normalizes the incoming constraints to satisfy the current browser * @param config * @param cb Callback which is called whenever constraints are created * @returns {*} */ function normalizeConstraints(config, cb) { var constraints = { audio: false, video: true }, videoConstraints = merge({ width: 640, height: 480, minAspectRatio: 0, maxAspectRatio: 100, facing: "environment" }, config); if (typeof MediaStreamTrack !== 'undefined' && typeof MediaStreamTrack.getSources !== 'undefined') { MediaStreamTrack.getSources(function (sourceInfos) { var videoSourceId; for (var i = 0; i < sourceInfos.length; ++i) { var sourceInfo = sourceInfos[i]; if (sourceInfo.kind === "video" && sourceInfo.facing === videoConstraints.facing) { videoSourceId = sourceInfo.id; } } constraints.video = { mandatory: { minWidth: videoConstraints.width, minHeight: videoConstraints.height, minAspectRatio: videoConstraints.minAspectRatio, maxAspectRatio: videoConstraints.maxAspectRatio }, optional: [{ sourceId: videoSourceId }] }; return cb(constraints); }); } else { constraints.video = { mediaSource: "camera", width: { min: videoConstraints.width, max: videoConstraints.width }, height: { min: videoConstraints.height, max: videoConstraints.height }, require: ["width", "height"] }; return cb(constraints); } } /** * Requests the back-facing camera of the user. The callback is called * whenever the stream is ready to be consumed, or if an error occures. * @param {Object} video * @param {Object} callback */ function _request(video, videoConstraints, callback) { normalizeConstraints(videoConstraints, function (constraints) { initCamera(constraints, video, callback); }); } exports['default'] = { request: function request(video, constraints, callback) { _request(video, constraints, callback); }, release: function release() { var tracks = streamRef && streamRef.getVideoTracks(); if (tracks.length) { tracks[0].stop(); } streamRef = null; } }; module.exports = exports['default']; /***/ }, /* 62 */ /***/ function(module, exports, __webpack_require__) { 'use strict'; Object.defineProperty(exports, '__esModule', { value: true }); function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { 'default': obj }; } var _image_debug = __webpack_require__(13); var _image_debug2 = _interopRequireDefault(_image_debug); 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; } }; } }; module.exports = exports['default']; /***/ }, /* 63 */ /***/ function(module, exports, __webpack_require__) { 'use strict'; var GetPixels = __webpack_require__(64); 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; /***/ }, /* 64 */ /***/ function(module, exports) { module.exports = require("get-pixels"); /***/ }, /* 65 */ /***/ function(module, exports, __webpack_require__) { "use strict"; var CVUtils = __webpack_require__(5), Ndarray = __webpack_require__(66), Interp2D = __webpack_require__(67).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; /***/ }, /* 66 */ /***/ function(module, exports) { module.exports = require("ndarray"); /***/ }, /* 67 */ /***/ function(module, exports) { module.exports = require("ndarray-linear-interpolate"); /***/ } /******/ ]); //# sourceMappingURL=quagga.map