From f18b01fd2a40793cc938a91822ab36ff391da59a Mon Sep 17 00:00:00 2001 From: Guillermo Date: Mon, 17 Oct 2016 00:57:58 -0400 Subject: [PATCH] whoops --- dist/tesseract.js | 526 ++++++++++++++++++++++++++-------------------- dist/worker.js | 388 ++++++++++++++++++---------------- 2 files changed, 497 insertions(+), 417 deletions(-) diff --git a/dist/tesseract.js b/dist/tesseract.js index eeb097a23..876141cbd 100644 --- a/dist/tesseract.js +++ b/dist/tesseract.js @@ -313,107 +313,114 @@ module.exports={ },{}],4:[function(require,module,exports){ (function (process){ +'use strict'; + var defaultOptions = { // workerPath: 'https://cdn.rawgit.com/naptha/tesseract.js/0.2.0/dist/worker.js', - corePath: 'https://cdn.rawgit.com/naptha/tesseract.js-core/0.1.0/index.js', - langPath: 'https://cdn.rawgit.com/naptha/tessdata/gh-pages/3.02/', -} + corePath: 'https://cdn.rawgit.com/naptha/tesseract.js-core/0.1.0/index.js', + langPath: 'https://cdn.rawgit.com/naptha/tessdata/gh-pages/3.02/' +}; if (process.env.NODE_ENV === "development") { - console.debug('Using Development Configuration') - defaultOptions.workerPath = location.protocol + '//' + location.host + '/dist/worker.dev.js?nocache=' + Math.random().toString(36).slice(3) -}else{ + console.debug('Using Development Configuration'); + defaultOptions.workerPath = location.protocol + '//' + location.host + '/dist/worker.dev.js?nocache=' + Math.random().toString(36).slice(3); +} else { var version = require('../../package.json').version; - defaultOptions.workerPath = 'https://cdn.rawgit.com/naptha/tesseract.js/' + version + '/dist/worker.js' + defaultOptions.workerPath = 'https://cdn.rawgit.com/naptha/tesseract.js/' + version + '/dist/worker.js'; } exports.defaultOptions = defaultOptions; - -exports.spawnWorker = function spawnWorker(instance, workerOptions){ - if(window.Blob && window.URL){ - var blob = new Blob(['importScripts("' + workerOptions.workerPath + '");']) +exports.spawnWorker = function spawnWorker(instance, workerOptions) { + if (window.Blob && window.URL) { + var blob = new Blob(['importScripts("' + workerOptions.workerPath + '");']); var worker = new Worker(window.URL.createObjectURL(blob)); - }else{ - var worker = new Worker(workerOptions.workerPath) + } else { + var worker = new Worker(workerOptions.workerPath); } - worker.onmessage = function(e){ + worker.onmessage = function (e) { var packet = e.data; - instance._recv(packet) - } - return worker -} - -exports.terminateWorker = function(instance){ - instance.worker.terminate() -} + instance._recv(packet); + }; + return worker; +}; -exports.sendPacket = function sendPacket(instance, packet){ - loadImage(packet.payload.image, function(img){ - packet.payload.image = img - instance.worker.postMessage(packet) - }) -} +exports.terminateWorker = function (instance) { + instance.worker.terminate(); +}; +exports.sendPacket = function sendPacket(instance, packet) { + loadImage(packet.payload.image, function (img) { + packet.payload.image = img; + instance.worker.postMessage(packet); + }); +}; -function loadImage(image, cb){ - if(typeof image === 'string'){ - if(/^\#/.test(image)){ +function loadImage(image, cb) { + if (typeof image === 'string') { + if (/^\#/.test(image)) { // element css selector - return loadImage(document.querySelector(image), cb) - }else if(/(blob|data)\:/.test(image)){ + return loadImage(document.querySelector(image), cb); + } else if (/(blob|data)\:/.test(image)) { // data url - var im = new Image + var im = new Image(); im.src = image; - im.onload = e => loadImage(im, cb); - return - }else{ + im.onload = function (e) { + return loadImage(im, cb); + }; + return; + } else { var xhr = new XMLHttpRequest(); - xhr.open('GET', image, true) + xhr.open('GET', image, true); xhr.responseType = "blob"; - xhr.onload = e => loadImage(xhr.response, cb); - xhr.onerror = function(e){ - if(/^https?:\/\//.test(image) && !/^https:\/\/crossorigin.me/.test(image)){ - console.debug('Attempting to load image with CORS proxy') - loadImage('https://crossorigin.me/' + image, cb) + xhr.onload = function (e) { + return loadImage(xhr.response, cb); + }; + xhr.onerror = function (e) { + if (/^https?:\/\//.test(image) && !/^https:\/\/crossorigin.me/.test(image)) { + console.debug('Attempting to load image with CORS proxy'); + loadImage('https://crossorigin.me/' + image, cb); } - } - xhr.send(null) - return + }; + xhr.send(null); + return; } - }else if(image instanceof File){ + } else if (image instanceof File) { // files - var fr = new FileReader() - fr.onload = e => loadImage(fr.result, cb); - fr.readAsDataURL(image) - return - }else if(image instanceof Blob){ - return loadImage(URL.createObjectURL(image), cb) - }else if(image.getContext){ + var fr = new FileReader(); + fr.onload = function (e) { + return loadImage(fr.result, cb); + }; + fr.readAsDataURL(image); + return; + } else if (image instanceof Blob) { + return loadImage(URL.createObjectURL(image), cb); + } else if (image.getContext) { // canvas element - return loadImage(image.getContext('2d'), cb) - }else if(image.tagName == "IMG" || image.tagName == "VIDEO"){ + return loadImage(image.getContext('2d'), cb); + } else if (image.tagName == "IMG" || image.tagName == "VIDEO") { // image element or video element var c = document.createElement('canvas'); - c.width = image.naturalWidth || image.videoWidth; + c.width = image.naturalWidth || image.videoWidth; c.height = image.naturalHeight || image.videoHeight; var ctx = c.getContext('2d'); ctx.drawImage(image, 0, 0); - return loadImage(ctx, cb) - }else if(image.getImageData){ + return loadImage(ctx, cb); + } else if (image.getImageData) { // canvas context var data = image.getImageData(0, 0, image.canvas.width, image.canvas.height); - return loadImage(data, cb) - }else{ - return cb(image) + return loadImage(data, cb); + } else { + return cb(image); } - throw new Error('Missing return in loadImage cascade') - + throw new Error('Missing return in loadImage cascade'); } }).call(this,require('_process')) },{"../../package.json":3,"_process":2}],5:[function(require,module,exports){ +"use strict"; + // The result of dump.js is a big JSON tree // which can be easily serialized (for instance // to be sent from a webworker to the main app @@ -421,228 +428,283 @@ function loadImage(image, cb){ // a (circular) DOM-like interface for walking // through the data. -module.exports = function circularize(page){ - page.paragraphs = [] - page.lines = [] - page.words = [] - page.symbols = [] +module.exports = function circularize(page) { + page.paragraphs = []; + page.lines = []; + page.words = []; + page.symbols = []; - page.blocks.forEach(function(block){ + page.blocks.forEach(function (block) { block.page = page; - block.lines = [] - block.words = [] - block.symbols = [] + block.lines = []; + block.words = []; + block.symbols = []; - block.paragraphs.forEach(function(para){ + block.paragraphs.forEach(function (para) { para.block = block; para.page = page; - para.words = [] - para.symbols = [] - - para.lines.forEach(function(line){ + para.words = []; + para.symbols = []; + + para.lines.forEach(function (line) { line.paragraph = para; line.block = block; line.page = page; - line.symbols = [] + line.symbols = []; - line.words.forEach(function(word){ + line.words.forEach(function (word) { word.line = line; word.paragraph = para; word.block = block; word.page = page; - word.symbols.forEach(function(sym){ + word.symbols.forEach(function (sym) { sym.word = word; sym.line = line; sym.paragraph = para; sym.block = block; sym.page = page; - - sym.line.symbols.push(sym) - sym.paragraph.symbols.push(sym) - sym.block.symbols.push(sym) - sym.page.symbols.push(sym) - }) - word.paragraph.words.push(word) - word.block.words.push(word) - word.page.words.push(word) - }) - line.block.lines.push(line) - line.page.lines.push(line) - }) - para.page.paragraphs.push(para) - }) - }) - return page -} + + sym.line.symbols.push(sym); + sym.paragraph.symbols.push(sym); + sym.block.symbols.push(sym); + sym.page.symbols.push(sym); + }); + word.paragraph.words.push(word); + word.block.words.push(word); + word.page.words.push(word); + }); + line.block.lines.push(line); + line.page.lines.push(line); + }); + para.page.paragraphs.push(para); + }); + }); + return page; +}; + },{}],6:[function(require,module,exports){ -const adapter = require('../node/index.js') +'use strict'; -let jobCounter = 0; +var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }(); -module.exports = class TesseractJob { - constructor(instance){ - this.id = 'Job-' + (++jobCounter) + '-' + Math.random().toString(16).slice(3, 8) +function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } } - this._instance = instance; - this._resolve = [] - this._reject = [] - this._progress = [] - this._finally = [] - } +var adapter = require('../node/index.js'); - then(resolve, reject){ - if(this._resolve.push){ - this._resolve.push(resolve) - }else{ - resolve(this._resolve) - } +var jobCounter = 0; - if(reject) this.catch(reject); - return this; - } - catch(reject){ - if(this._reject.push){ - this._reject.push(reject) - }else{ - reject(this._reject) - } - return this; - } - progress(fn){ - this._progress.push(fn) - return this; - } - finally(fn) { - this._finally.push(fn) - return this; - } - _send(action, payload){ - adapter.sendPacket(this._instance, { - jobId: this.id, - action: action, - payload: payload - }) +module.exports = function () { + function TesseractJob(instance) { + _classCallCheck(this, TesseractJob); + + this.id = 'Job-' + ++jobCounter + '-' + Math.random().toString(16).slice(3, 8); + + this._instance = instance; + this._resolve = []; + this._reject = []; + this._progress = []; + this._finally = []; } - _handle(packet){ - var data = packet.data; - let runFinallyCbs = false; + _createClass(TesseractJob, [{ + key: 'then', + value: function then(resolve, reject) { + if (this._resolve.push) { + this._resolve.push(resolve); + } else { + resolve(this._resolve); + } - if(packet.status === 'resolve'){ - if(this._resolve.length === 0) console.log(data); - this._resolve.forEach(fn => { - var ret = fn(data); - if(ret && typeof ret.then == 'function'){ - console.warn('TesseractJob instances do not chain like ES6 Promises. To convert it into a real promise, use Promise.resolve.') - } - }) - this._resolve = data; - this._instance._dequeue() - runFinallyCbs = true; - }else if(packet.status === 'reject'){ - if(this._reject.length === 0) console.error(data); - this._reject.forEach(fn => fn(data)) - this._reject = data; - this._instance._dequeue() - runFinallyCbs = true; - }else if(packet.status === 'progress'){ - this._progress.forEach(fn => fn(data)) - }else{ - console.warn('Message type unknown', packet.status) + if (reject) this.catch(reject); + return this; + } + }, { + key: 'catch', + value: function _catch(reject) { + if (this._reject.push) { + this._reject.push(reject); + } else { + reject(this._reject); + } + return this; + } + }, { + key: 'progress', + value: function progress(fn) { + this._progress.push(fn); + return this; + } + }, { + key: 'finally', + value: function _finally(fn) { + this._finally.push(fn); + return this; } + }, { + key: '_send', + value: function _send(action, payload) { + adapter.sendPacket(this._instance, { + jobId: this.id, + action: action, + payload: payload + }); + } + }, { + key: '_handle', + value: function _handle(packet) { + var data = packet.data; + var runFinallyCbs = false; + + if (packet.status === 'resolve') { + if (this._resolve.length === 0) console.log(data); + this._resolve.forEach(function (fn) { + var ret = fn(data); + if (ret && typeof ret.then == 'function') { + console.warn('TesseractJob instances do not chain like ES6 Promises. To convert it into a real promise, use Promise.resolve.'); + } + }); + this._resolve = data; + this._instance._dequeue(); + runFinallyCbs = true; + } else if (packet.status === 'reject') { + if (this._reject.length === 0) console.error(data); + this._reject.forEach(function (fn) { + return fn(data); + }); + this._reject = data; + this._instance._dequeue(); + runFinallyCbs = true; + } else if (packet.status === 'progress') { + this._progress.forEach(function (fn) { + return fn(data); + }); + } else { + console.warn('Message type unknown', packet.status); + } - if (runFinallyCbs) { - this._finally.forEach(fn => fn(data)); + if (runFinallyCbs) { + this._finally.forEach(function (fn) { + return fn(data); + }); + } } - } -} + }]); + + return TesseractJob; +}(); },{"../node/index.js":4}],7:[function(require,module,exports){ -const adapter = require('./node/index.js') -const circularize = require('./common/circularize.js') -const TesseractJob = require('./common/job'); -const objectAssign = require('object-assign'); -const version = require('../package.json').version; +'use strict'; + +var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }(); + +function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } } + +var adapter = require('./node/index.js'); +var circularize = require('./common/circularize.js'); +var TesseractJob = require('./common/job'); +var objectAssign = require('object-assign'); +var version = require('../package.json').version; -function create(workerOptions){ +function create(workerOptions) { workerOptions = workerOptions || {}; - var worker = new TesseractWorker(objectAssign({}, adapter.defaultOptions, workerOptions)) + var worker = new TesseractWorker(objectAssign({}, adapter.defaultOptions, workerOptions)); worker.create = create; worker.version = version; return worker; } -class TesseractWorker { - constructor(workerOptions){ +var TesseractWorker = function () { + function TesseractWorker(workerOptions) { + _classCallCheck(this, TesseractWorker); + this.worker = null; this.workerOptions = workerOptions; this._currentJob = null; - this._queue = [] + this._queue = []; } - recognize(image, options){ - return this._delay(job => { - if(typeof options === 'string'){ - options = { lang: options }; - }else{ - options = options || {} - options.lang = options.lang || 'eng'; - } - - job._send('recognize', { image: image, options: options, workerOptions: this.workerOptions }) - }) - } - detect(image, options){ - options = options || {} - return this._delay(job => { - job._send('detect', { image: image, options: options, workerOptions: this.workerOptions }) - }) - } + _createClass(TesseractWorker, [{ + key: 'recognize', + value: function recognize(image, options) { + var _this = this; + + return this._delay(function (job) { + if (typeof options === 'string') { + options = { lang: options }; + } else { + options = options || {}; + options.lang = options.lang || 'eng'; + } - terminate(){ - if(this.worker) adapter.terminateWorker(this); - this.worker = null; - } + job._send('recognize', { image: image, options: options, workerOptions: _this.workerOptions }); + }); + } + }, { + key: 'detect', + value: function detect(image, options) { + var _this2 = this; + + options = options || {}; + return this._delay(function (job) { + job._send('detect', { image: image, options: options, workerOptions: _this2.workerOptions }); + }); + } + }, { + key: 'terminate', + value: function terminate() { + if (this.worker) adapter.terminateWorker(this); + this.worker = null; + } + }, { + key: '_delay', + value: function _delay(fn) { + var _this3 = this; + + if (!this.worker) this.worker = adapter.spawnWorker(this, this.workerOptions); + + var job = new TesseractJob(this); + this._queue.push(function (e) { + _this3._queue.shift(); + _this3._currentJob = job; + fn(job); + }); + if (!this._currentJob) this._dequeue(); + return job; + } + }, { + key: '_dequeue', + value: function _dequeue() { + this._currentJob = null; + if (this._queue.length > 0) { + this._queue[0](); + } + } + }, { + key: '_recv', + value: function _recv(packet) { - _delay(fn){ - if(!this.worker) this.worker = adapter.spawnWorker(this, this.workerOptions); - - var job = new TesseractJob(this); - this._queue.push(e => { - this._queue.shift() - this._currentJob = job; - fn(job) - }) - if(!this._currentJob) this._dequeue(); - return job - } + if (packet.status === 'resolve' && packet.action === 'recognize') { + packet.data = circularize(packet.data); + } - _dequeue(){ - this._currentJob = null; - if(this._queue.length > 0){ - this._queue[0]() + if (this._currentJob.id === packet.jobId) { + this._currentJob._handle(packet); + } else { + console.warn('Job ID ' + packet.jobId + ' not known.'); + } } - } + }]); - _recv(packet){ + return TesseractWorker; +}(); - if(packet.status === 'resolve' && packet.action === 'recognize'){ - packet.data = circularize(packet.data); - } - - if(this._currentJob.id === packet.jobId){ - this._currentJob._handle(packet) - }else{ - console.warn('Job ID ' + packet.jobId + ' not known.') - } - } -} +var DefaultTesseract = create(); -var DefaultTesseract = create() +module.exports = DefaultTesseract; -module.exports = DefaultTesseract },{"../package.json":3,"./common/circularize.js":5,"./common/job":6,"./node/index.js":4,"object-assign":1}]},{},[7])(7) }); \ No newline at end of file diff --git a/dist/worker.js b/dist/worker.js index 51eb0797d..0a1680871 100644 --- a/dist/worker.js +++ b/dist/worker.js @@ -8375,7 +8375,9 @@ function extend() { } },{"./has-keys":36,"object-keys":17}],38:[function(require,module,exports){ -const leveljs = require('level-js') +'use strict'; + +var leveljs = require('level-js'); // something about trying to store these language files in indexedDB // causes iOS Safari to crash @@ -8383,35 +8385,38 @@ const leveljs = require('level-js') var iOS = /iPad|iPhone|iPod/.test(navigator.userAgent); var noIDB = typeof indexedDB === 'undefined' || iOS; -var db = noIDB ? { open: (_, cb) => cb(true) } : leveljs('./tessdata2') +var db = noIDB ? { open: function open(_, cb) { + return cb(true); + } } : leveljs('./tessdata2'); -var langdata = require('../common/langdata.json') +var langdata = require('../common/langdata.json'); -module.exports = function getLanguageData(req, res, cb){ +module.exports = function getLanguageData(req, res, cb) { var lang = req.options.lang; - function saveDataFile(data){ + function saveDataFile(data) { try { - db.put(lang, data, err => console.log('cached', lang, err)) + db.put(lang, data, function (err) { + return console.log('cached', lang, err); + }); } finally { - cb(data) + cb(data); } } - db.open({ compression: false }, err => { + db.open({ compression: false }, function (err) { if (err) return fetchLanguageData(req, res, cb); - db.get(lang, (err, data) => { + db.get(lang, function (err, data) { if (err) return fetchLanguageData(req, res, saveDataFile); - res.progress({ status: 'found in cache ' + lang + '.traineddata' }) - cb(data) - }) - }) -} - + res.progress({ status: 'found in cache ' + lang + '.traineddata' }); + cb(data); + }); + }); +}; -const ungzip = require('pako/lib/inflate.js').ungzip; +var ungzip = require('pako/lib/inflate.js').ungzip; -function fetchLanguageData(req, res, cb){ +function fetchLanguageData(req, res, cb) { var lang = req.options.lang; var langfile = lang + '.traineddata.gz'; var url = req.workerOptions.langPath + langfile; @@ -8419,119 +8424,137 @@ function fetchLanguageData(req, res, cb){ var xhr = new XMLHttpRequest(); xhr.open('GET', url, true); xhr.responseType = 'arraybuffer'; - xhr.onerror = e => { - xhr.onprogress = xhr.onload = null - cb(xhr, null) - } - xhr.onprogress = e => - res.progress({ + xhr.onerror = function (e) { + xhr.onprogress = xhr.onload = null; + cb(xhr, null); + }; + xhr.onprogress = function (e) { + return res.progress({ status: 'downloading ' + langfile, loaded: e.loaded, progress: Math.min(1, e.loaded / langdata[lang]) }); + }; - xhr.onload = e => { - if (!(xhr.status == 200 || (xhr.status == 0 && xhr.response))) return res.reject('Error downloading language ' + url); - res.progress({ status: 'unzipping ' + langfile, progress: 0 }) + xhr.onload = function (e) { + if (!(xhr.status == 200 || xhr.status == 0 && xhr.response)) return res.reject('Error downloading language ' + url); + res.progress({ status: 'unzipping ' + langfile, progress: 0 }); // in case the gzips are already ungzipped or extra gzipped - var response = new Uint8Array(xhr.response) + var response = new Uint8Array(xhr.response); try { var n = 2; - while(response[0] == 0x1f && response[1] == 0x8b){ + while (response[0] == 0x1f && response[1] == 0x8b) { response = ungzip(response); - res.progress({ status: 'unzipping ' + langfile, progress: 1 - 1 / (n++) }) + res.progress({ status: 'unzipping ' + langfile, progress: 1 - 1 / n++ }); } } catch (err) { - return res.reject('Error unzipping language file ' + langfile + '\n' + err.message) + return res.reject('Error unzipping language file ' + langfile + '\n' + err.message); } - res.progress({ status: 'unzipping ' + langfile, progress: 1 }) - - cb(response) - } - xhr.send() + res.progress({ status: 'unzipping ' + langfile, progress: 1 }); + + cb(response); + }; + xhr.send(); } },{"../common/langdata.json":42,"level-js":13,"pako/lib/inflate.js":20}],39:[function(require,module,exports){ -(function (global){ -"use strict"; +(function (process,global){ +'use strict'; -var workerUtils = require('../common/worker.js') +var workerUtils = require('../common/worker.js'); -global.addEventListener('message', function(e){ +if (process.env.NODE_ENV === "development") { + console.debug('Using Development Worker'); +} + +global.addEventListener('message', function (e) { var packet = e.data; - workerUtils.dispatchHandlers(packet, obj => postMessage(obj)) -}) + workerUtils.dispatchHandlers(packet, function (obj) { + return postMessage(obj); + }); +}); -exports.getCore = function(req, res){ - if(!global.TesseractCore){ - res.progress({ status: 'loading tesseract core' }) - importScripts(req.workerOptions.tesseractPath) - res.progress({ status: 'loaded tesseract core' }) +exports.getCore = function (req, res) { + if (!global.TesseractCore) { + res.progress({ status: 'loading tesseract core', progress: 0 }); + importScripts(req.workerOptions.corePath); + res.progress({ status: 'loading tesseract core', progress: 1 }); } - return TesseractCore -} + return TesseractCore; +}; -exports.getLanguageData = require('./lang.js') +exports.getLanguageData = require('./lang.js'); workerUtils.setAdapter(module.exports); -}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {}) -},{"../common/worker.js":43,"./lang.js":38}],40:[function(require,module,exports){ +}).call(this,require('_process'),typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {}) +},{"../common/worker.js":43,"./lang.js":38,"_process":32}],40:[function(require,module,exports){ +'use strict'; + // This converts an image to grayscale -module.exports = function desaturate(image){ +module.exports = function desaturate(image) { var width, height; - if(image.data){ - var src = image.data; - width = image.width, - height = image.height; - var dst = new Uint8Array(width * height); - var srcLength = src.length | 0, srcLength_16 = (srcLength - 16) | 0; - + if (image.data) { + var src = image.data; + width = image.width, height = image.height; + var dst = new Uint8Array(width * height); + var srcLength = src.length | 0, + srcLength_16 = srcLength - 16 | 0; + for (var i = 0, j = 0; i <= srcLength_16; i += 16, j += 4) { // convert to grayscale 4 pixels at a time; eveything with alpha gets put in front of 50% gray - dst[j] = (((src[i] * 77 + src[i+1] * 151 + src[i+2] * 28) * src[i+3]) + ((255-src[i+3]) << 15) + 32768) >> 16 - dst[j+1] = (((src[i+4] * 77 + src[i+5] * 151 + src[i+6] * 28) * src[i+7]) + ((255-src[i+7]) << 15) + 32768) >> 16 - dst[j+2] = (((src[i+8] * 77 + src[i+9] * 151 + src[i+10] * 28) * src[i+11]) + ((255-src[i+11]) << 15) + 32768) >> 16 - dst[j+3] = (((src[i+12] * 77 + src[i+13] * 151 + src[i+14] * 28) * src[i+15]) + ((255-src[i+15]) << 15) + 32768) >> 16 + dst[j] = (src[i] * 77 + src[i + 1] * 151 + src[i + 2] * 28) * src[i + 3] + (255 - src[i + 3] << 15) + 32768 >> 16; + dst[j + 1] = (src[i + 4] * 77 + src[i + 5] * 151 + src[i + 6] * 28) * src[i + 7] + (255 - src[i + 7] << 15) + 32768 >> 16; + dst[j + 2] = (src[i + 8] * 77 + src[i + 9] * 151 + src[i + 10] * 28) * src[i + 11] + (255 - src[i + 11] << 15) + 32768 >> 16; + dst[j + 3] = (src[i + 12] * 77 + src[i + 13] * 151 + src[i + 14] * 28) * src[i + 15] + (255 - src[i + 15] << 15) + 32768 >> 16; } - for (; i < srcLength; i += 4, ++j) //finish up - dst[j] = (((src[i] * 77 + src[i+1] * 151 + src[i+2] * 28) * src[i+3]) + ((255-src[i+3]) << 15) + 32768) >> 16 - image = dst; - } else { throw 'Invalid ImageData' } - return image -} + for (; i < srcLength; i += 4, ++j) { + //finish up + dst[j] = (src[i] * 77 + src[i + 1] * 151 + src[i + 2] * 28) * src[i + 3] + (255 - src[i + 3] << 15) + 32768 >> 16; + }image = dst; + } else { + throw 'Invalid ImageData'; + } + return image; +}; + },{}],41:[function(require,module,exports){ -module.exports = function DumpLiterallyEverything(Module, base){ +'use strict'; + +module.exports = function DumpLiterallyEverything(Module, base) { var ri = base.GetIterator(); var blocks = []; var block, para, textline, word, symbol; - function enumToString(value, prefix){ - return (Object.keys(Module) - .filter(function(e){ return e.substr(0, prefix.length + 1) == prefix + '_' }) - .filter(function(e){ return Module[e] === value }) - .map(function(e){ return e.slice(prefix.length + 1) })[0]) + function enumToString(value, prefix) { + return Object.keys(Module).filter(function (e) { + return e.substr(0, prefix.length + 1) == prefix + '_'; + }).filter(function (e) { + return Module[e] === value; + }).map(function (e) { + return e.slice(prefix.length + 1); + })[0]; } - ri.Begin() + ri.Begin(); do { - if(ri.IsAtBeginningOf(Module.RIL_BLOCK)){ + if (ri.IsAtBeginningOf(Module.RIL_BLOCK)) { var poly = ri.BlockPolygon(); var polygon = null; // BlockPolygon() returns null when automatic page segmentation is off - if(Module.getPointer(poly) > 0){ + if (Module.getPointer(poly) > 0) { var n = poly.get_n(), px = poly.get_x(), py = poly.get_y(), polygon = []; - for(var i = 0; i < n; i++){ + for (var i = 0; i < n; i++) { polygon.push([px.getValue(i), py.getValue(i)]); } - Module._ptaDestroy(Module.getPointer(poly)); + Module._ptaDestroy(Module.getPointer(poly)); } - + block = { paragraphs: [], @@ -8542,10 +8565,10 @@ module.exports = function DumpLiterallyEverything(Module, base){ blocktype: enumToString(ri.BlockType(), 'PT'), polygon: polygon - } - blocks.push(block) + }; + blocks.push(block); } - if(ri.IsAtBeginningOf(Module.RIL_PARA)){ + if (ri.IsAtBeginningOf(Module.RIL_PARA)) { para = { lines: [], @@ -8555,10 +8578,10 @@ module.exports = function DumpLiterallyEverything(Module, base){ bbox: ri.getBoundingBox(Module.RIL_PARA), is_ltr: !!ri.ParagraphIsLtr() - } - block.paragraphs.push(para) + }; + block.paragraphs.push(para); } - if(ri.IsAtBeginningOf(Module.RIL_TEXTLINE)){ + if (ri.IsAtBeginningOf(Module.RIL_TEXTLINE)) { textline = { words: [], @@ -8566,10 +8589,10 @@ module.exports = function DumpLiterallyEverything(Module, base){ confidence: ri.Confidence(Module.RIL_TEXTLINE), baseline: ri.getBaseline(Module.RIL_TEXTLINE), bbox: ri.getBoundingBox(Module.RIL_TEXTLINE) - } - para.lines.push(textline) + }; + para.lines.push(textline); } - if(ri.IsAtBeginningOf(Module.RIL_WORD)){ + if (ri.IsAtBeginningOf(Module.RIL_WORD)) { var fontInfo = ri.getWordFontAttributes(), wordDir = ri.WordDirection(); word = { @@ -8594,25 +8617,25 @@ module.exports = function DumpLiterallyEverything(Module, base){ is_smallcaps: fontInfo.is_smallcaps, font_size: fontInfo.pointsize, font_id: fontInfo.font_id, - font_name: fontInfo.font_name, - } + font_name: fontInfo.font_name + }; var wc = new Module.WordChoiceIterator(ri); do { word.choices.push({ text: wc.GetUTF8Text(), confidence: wc.Confidence() - }) + }); } while (wc.Next()); - Module.destroy(wc) - textline.words.push(word) + Module.destroy(wc); + textline.words.push(word); } - + var image = null; // var pix = ri.GetBinaryImage(Module.RIL_SYMBOL) // var image = pix2array(pix); // // for some reason it seems that things stop working if you destroy pics // Module._pixDestroy(Module.getPointer(pix)); - if(ri.IsAtBeginningOf(Module.RIL_SYMBOL)){ + if (ri.IsAtBeginningOf(Module.RIL_SYMBOL)) { symbol = { choices: [], image: image, @@ -8624,20 +8647,20 @@ module.exports = function DumpLiterallyEverything(Module, base){ is_superscript: !!ri.SymbolIsSuperscript(), is_subscript: !!ri.SymbolIsSubscript(), - is_dropcap: !!ri.SymbolIsDropcap(), - } - word.symbols.push(symbol) + is_dropcap: !!ri.SymbolIsDropcap() + }; + word.symbols.push(symbol); var ci = new Module.ChoiceIterator(ri); do { symbol.choices.push({ text: ci.GetUTF8Text(), confidence: ci.Confidence() - }) + }); } while (ci.Next()); - Module.destroy(ci) + Module.destroy(ci); } } while (ri.Next(Module.RIL_SYMBOL)); - Module.destroy(ri) + Module.destroy(ri); return { text: base.GetUTF8Text(), @@ -8649,134 +8672,130 @@ module.exports = function DumpLiterallyEverything(Module, base){ psm: enumToString(base.GetPageSegMode(), 'PSM'), oem: enumToString(base.oem(), 'OEM'), - version: base.Version(), - } -} + version: base.Version() + }; +}; // the generated HOCR is excessively indented, so // we get rid of that indentation -function deindent(html){ - var lines = html.split('\n') - if(lines[0].substring(0, 2) === " "){ +function deindent(html) { + var lines = html.split('\n'); + if (lines[0].substring(0, 2) === " ") { for (var i = 0; i < lines.length; i++) { - if (lines[i].substring(0,2) === " ") { - lines[i] = lines[i].slice(2) + if (lines[i].substring(0, 2) === " ") { + lines[i] = lines[i].slice(2); } }; } - return lines.join('\n') + return lines.join('\n'); } },{}],42:[function(require,module,exports){ module.exports={"afr": 1079573, "ara": 1701536, "aze": 1420865, "bel": 1276820, "ben": 6772012, "bul": 1605615, "cat": 1652368, "ces": 1035441, "chi_sim": 17710414, "chi_tra": 24717749, "chr": 320649, "dan-frak": 677656, "dan": 1972936, "deu-frak": 822644, "deu": 991656, "ell": 859719, "eng": 9453554, "enm": 619254, "epo": 1241212, "equ": 821130, "est": 1905040, "eus": 1641190, "fin": 979418, "fra": 1376221, "frk": 5912963, "frm": 5147082, "glg": 1674938, "grc": 3012615, "heb": 1051501, "hin": 6590065, "hrv": 1926995, "hun": 3074473, "ind": 1874776, "isl": 1634041, "ita": 948593, "ita_old": 3436571, "jpn": 13507168, "kan": 4390317, "kor": 5353098, "lav": 1843944, "lit": 1779240, "mal": 5966263, "meme": 88453, "mkd": 1163087, "mlt": 1463001, "msa": 1665427, "nld": 1134708, "nor": 2191610, "osd": 4274649, "pol": 7024662, "por": 909359, "ron": 915680, "rus": 5969957, "slk-frak": 289885, "slk": 2217342, "slv": 1611338, "spa": 883170, "spa_old": 5647453, "sqi": 1667041, "srp": 1770244, "swa": 757916, "swe": 2451917, "tam": 3498763, "tel": 5795246, "tgl": 1496256, "tha": 3811136, "tur": 3563264, "ukr": 937566, "vie": 2195922} },{}],43:[function(require,module,exports){ +'use strict'; + var latestJob; var Module; var base; var adapter = {}; -function dispatchHandlers(packet, send){ - function respond(status, data){ +function dispatchHandlers(packet, send) { + function respond(status, data) { send({ jobId: packet.jobId, status: status, action: packet.action, data: data - }) + }); } - respond.resolve = respond.bind(this, 'resolve') - respond.reject = respond.bind(this, 'reject') - respond.progress = respond.bind(this, 'progress') - + respond.resolve = respond.bind(this, 'resolve'); + respond.reject = respond.bind(this, 'reject'); + respond.progress = respond.bind(this, 'progress'); + latestJob = respond; try { - if(packet.action === 'recognize'){ - handleRecognize(packet.payload, respond) - }else if(packet.action === 'detect'){ - handleDetect(packet.payload, respond) + if (packet.action === 'recognize') { + handleRecognize(packet.payload, respond); + } else if (packet.action === 'detect') { + handleDetect(packet.payload, respond); } } catch (err) { - respond.reject(err) + respond.reject(err); } } exports.dispatchHandlers = dispatchHandlers; -exports.setAdapter = function setAdapter(impl){ +exports.setAdapter = function setAdapter(impl) { adapter = impl; -} - +}; -function handleInit(req, res){ +function handleInit(req, res) { var MIN_MEMORY = 100663296; - - if(['chi_sim', 'chi_tra', 'jpn'].indexOf(req.options.lang) != -1){ + + if (['chi_sim', 'chi_tra', 'jpn'].indexOf(req.options.lang) != -1) { MIN_MEMORY = 167772160; } - if(!Module || Module.TOTAL_MEMORY < MIN_MEMORY){ + if (!Module || Module.TOTAL_MEMORY < MIN_MEMORY) { var Core = adapter.getCore(req, res); - res.progress({ status: 'initializing tesseract', progress: 0 }) + res.progress({ status: 'initializing tesseract', progress: 0 }); Module = Core({ TOTAL_MEMORY: MIN_MEMORY, - TesseractProgress(percent){ - latestJob.progress({ status: 'recognizing text', progress: Math.max(0, (percent-30)/70) }) + TesseractProgress: function TesseractProgress(percent) { + latestJob.progress({ status: 'recognizing text', progress: Math.max(0, (percent - 30) / 70) }); }, - onRuntimeInitialized() {} - }) + onRuntimeInitialized: function onRuntimeInitialized() {} + }); - Module.FS_createPath("/", "tessdata", true, true) - base = new Module.TessBaseAPI() - res.progress({ status: 'initializing tesseract', progress: 1 }) + Module.FS_createPath("/", "tessdata", true, true); + base = new Module.TessBaseAPI(); + res.progress({ status: 'initializing tesseract', progress: 1 }); } } +var dump = require('./dump.js'); +var desaturate = require('./desaturate.js'); - -var dump = require('./dump.js') -var desaturate = require('./desaturate.js') - - -function setImage(Module, base, image){ +function setImage(Module, base, image) { var imgbin = desaturate(image), width = image.width, height = image.height; var ptr = Module.allocate(imgbin, 'i8', Module.ALLOC_NORMAL); base.SetImage(Module.wrapPointer(ptr), width, height, 1, width); - base.SetRectangle(0, 0, width, height) + base.SetRectangle(0, 0, width, height); return ptr; } -function loadLanguage(req, res, cb){ +function loadLanguage(req, res, cb) { var lang = req.options.lang; - - if(!Module._loadedLanguages) Module._loadedLanguages = {}; - if(lang in Module._loadedLanguages) return cb(); - adapter.getLanguageData(req, res, function(data){ - res.progress({ status: 'loading ' + lang + '.traineddata', progress: 0 }) + if (!Module._loadedLanguages) Module._loadedLanguages = {}; + if (lang in Module._loadedLanguages) return cb(); + + adapter.getLanguageData(req, res, function (data) { + res.progress({ status: 'loading ' + lang + '.traineddata', progress: 0 }); Module.FS_createDataFile('tessdata', lang + ".traineddata", data, true, false); Module._loadedLanguages[lang] = true; - res.progress({ status: 'loading ' + lang + '.traineddata', progress: 1 }) - cb() - }) + res.progress({ status: 'loading ' + lang + '.traineddata', progress: 1 }); + cb(); + }); } +function handleRecognize(req, res) { + handleInit(req, res); - -function handleRecognize(req, res){ - handleInit(req, res) - - loadLanguage(req, res, function(){ + loadLanguage(req, res, function () { var lang = req.options.lang; - res.progress({ status: 'initializing api', progress: 0 }) - base.Init(null, lang) - res.progress({ status: 'initializing api', progress: 0.3 }) + res.progress({ status: 'initializing api', progress: 0 }); + base.Init(null, lang); + res.progress({ status: 'initializing api', progress: 0.3 }); var options = req.options; for (var option in options) { @@ -8785,42 +8804,41 @@ function handleRecognize(req, res){ } } - res.progress({ status: 'initializing api', progress: 0.6 }) + res.progress({ status: 'initializing api', progress: 0.6 }); var ptr = setImage(Module, base, req.image); - res.progress({ status: 'initializing api', progress: 1 }) + res.progress({ status: 'initializing api', progress: 1 }); - base.Recognize(null) - - var result = dump(Module, base) + base.Recognize(null); + + var result = dump(Module, base); base.End(); - Module._free(ptr); + Module._free(ptr); res.resolve(result); - }) + }); } - -function handleDetect(req, res){ - handleInit(req, res) +function handleDetect(req, res) { + handleInit(req, res); req.options.lang = 'osd'; - loadLanguage(req, res, function(){ + loadLanguage(req, res, function () { + + base.Init(null, 'osd'); + base.SetPageSegMode(Module.PSM_OSD_ONLY); - base.Init(null, 'osd') - base.SetPageSegMode(Module.PSM_OSD_ONLY) - var ptr = setImage(Module, base, req.image); var results = new Module.OSResults(); var success = base.DetectOS(results); - if(!success){ + if (!success) { base.End(); Module._free(ptr); - res.reject("failed to detect os") + res.reject("failed to detect os"); } else { - var charset = results.get_unicharset() - - var best = results.get_best_result() + var charset = results.get_unicharset(); + + var best = results.get_best_result(); var oid = best.get_orientation_id(), sid = best.get_script_id(); @@ -8830,14 +8848,14 @@ function handleDetect(req, res){ script_confidence: best.get_sconfidence(), orientation_degrees: [0, 270, 180, 90][oid], orientation_confidence: best.get_oconfidence() - } + }; base.End(); Module._free(ptr); - res.resolve(result) + res.resolve(result); } - }) + }); } },{"./desaturate.js":40,"./dump.js":41}]},{},[39]);