From 51fc44a60c03da2eaed71adadbef5f1374aab310 Mon Sep 17 00:00:00 2001 From: Thomas Forgione Date: Thu, 23 Feb 2023 11:56:58 +0100 Subject: [PATCH] Initial commit --- .gitignore | 2 + package-lock.json | 592 ++++++++++++++++++++++++++++++++++++++++++ package.json | 14 + server.js | 131 ++++++++++ static/annotator.html | 56 ++++ static/main.js | 143 ++++++++++ 6 files changed, 938 insertions(+) create mode 100644 .gitignore create mode 100644 package-lock.json create mode 100644 package.json create mode 100644 server.js create mode 100644 static/annotator.html create mode 100644 static/main.js diff --git a/.gitignore b/.gitignore new file mode 100644 index 0000000..cedd4a4 --- /dev/null +++ b/.gitignore @@ -0,0 +1,2 @@ +node_modules +static/videos diff --git a/package-lock.json b/package-lock.json new file mode 100644 index 0000000..d8f25bd --- /dev/null +++ b/package-lock.json @@ -0,0 +1,592 @@ +{ + "name": "annotator", + "version": "1.0.0", + "lockfileVersion": 3, + "requires": true, 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"annotator", + "version": "1.0.0", + "description": "", + "main": "index.js", + "scripts": { + "test": "echo \"Error: no test specified\" && exit 1" + }, + "author": "", + "license": "ISC", + "dependencies": { + "express": "^4.18.2" + } +} diff --git a/server.js b/server.js new file mode 100644 index 0000000..752aeec --- /dev/null +++ b/server.js @@ -0,0 +1,131 @@ +const fs = require('fs').promises; + +async function main() { + // Imports et constantes. + const fs = require('fs').promises; + const express = require('express'); + const bodyParser = require('body-parser') + const ip = '127.0.0.1'; + const port = 8000; + + const app = express(); + + let id = 1; + + // Permet de récupérer les données venant du client. + app.use(bodyParser.urlencoded({ extended: true })); + app.use(bodyParser.json()); + + // Page d'accueil. + app.get('/', async function(req, res) { + + let body = '\n'; + body += '\n'; + body += ' \n'; + body += ' \n'; + body += ' \n'; + body += ' \n'; + body += ' \n'; + + let dir = null; + try { + dir = await fs.readdir('static/videos'); + } catch (e) { + body += '

Please put your videos as jpg files in

\n'; + } + + if (dir !== null) { + + body += '

Available videos to annotate:

\n'; + body += ' \n'; + } + + body += ' \n'; + body += '\n'; + + res.send(body); + + }); + + // Page d'annotation. + app.get('/annotator', async function(req, res) { + const root = req.query.root.slice(1); + + if (root.startsWith('/') || root.indexOf('..') !== -1) { + res.status(400); + return res.send('Root is invalid'); + } + + let annotations = null; + + try { + // Try to read and parse annotations + annotions = JSON.parse(await fs.readFile(root + '/annotations.json', 'utf-8')); + } catch (e) { + console.log(e); + // Create default empty annotation file + annotations = {}; + + let dir = null; + + try { + dir = await fs.readdir(root); + } catch (e) { + res.status(400); + res.send('Root does not exist'); + } + + for (let frame of dir) { + if (frame === "annotations.json") { + continue; + } + + annotations[frame.split(".")[0]] = []; + } + + await fs.writeFile(root + '/annotations.json', JSON.stringify(annotations, undefined, 4)); + } + + // On envoie le contenu du fichier index.html. + return res.sendFile(__dirname + '/static/annotator.html'); + }); + + // Route pour envoyer les données d'annotation. + app.post('/data', async function(req, res) { + let root = req.body.root.slice(1); + + if (root.startsWith('/') || root.indexOf('..') !== -1) { + res.status(400); + return res.send('Root is invalid'); + } + + try { + await fs.writeFile(root + '/annotations.json', JSON.stringify(req.body.annotations, undefined, 4)); + } catch (e) { + res.status(400); + return res.send('' + e); + } + + return res.send('Ok'); + }); + + // Envoi des fichiers statiques. + app.use('/static', express.static('static')) + + // On démarre le serveur, puis on peut y accéder dans le navigateur en allant sur http://localhost:8000 + app.listen(port, ip, function() { + console.log('Started listening on ' + port); + }); + +} + +main(); diff --git a/static/annotator.html b/static/annotator.html new file mode 100644 index 0000000..3e1044c --- /dev/null +++ b/static/annotator.html @@ -0,0 +1,56 @@ + + + + + + + +

Annotator

+
+
+

Previous frame (1)

+ +
+
+

Current frame (2)

+ +

Annotations:

+
+
+
+
+ + + diff --git a/static/main.js b/static/main.js new file mode 100644 index 0000000..f433b81 --- /dev/null +++ b/static/main.js @@ -0,0 +1,143 @@ +function findGetParameter(parameterName) { + var result = null, tmp = []; + + location.search + .substr(1) + .split("&") + .forEach(function(item) { + tmp = item.split("="); + if (tmp[0] === parameterName) result = decodeURIComponent(tmp[1]); + }); + return result; +} + +const Events = [ + 'Transition -> slide', + 'Transition -> demo', + 'Transition -> new viewpoint', + 'Build Up', + 'Animation', + 'Pointer', + 'Live annotation', +]; + +class Annotator { + constructor(root, annotations, img1Id, img2Id, annotationId) { + this.root = root; + this.annotations = annotations; + + this.maxIndex = Object.keys(this.annotations).length - 1; + + this.img1Element = document.getElementById(img1Id); + this.img1IndexElement = document.getElementById(img1Id + '-index'); + this.img2Element = document.getElementById(img2Id); + this.img2IndexElement = document.getElementById(img2Id + '-index'); + this.annotationElement = document.getElementById(annotationId); + + this.setIndex(0); + this.addShortcuts(); + } + + formatIndex(index) { + index += ''; + return index.padStart(4, '0'); + } + + getUrl(index) { + return this.root + '/' + this.formatIndex(index) + '.jpg'; + } + + setIndex(index) { + + // If index is undefined, we only want a refresh + if (index !== undefined) { + this.index = index; + this.index = Math.max(0, this.index); + this.index = Math.min(this.index, this.maxIndex); + + // Refrsh images + this.img1Element.src = this.getUrl(this.index); + this.img2Element.src = this.getUrl(this.index + 1); + + // Refresh headers + this.img1IndexElement.innerHTML = this.index + '/' + this.maxIndex; + this.img2IndexElement.innerHTML = this.index + 1 + '/' + this.maxIndex; + } + + // Refresh annotations list + let currentAnnotations = this.annotations[this.formatIndex(this.index + 1)]; + if (currentAnnotations.length === 0) { + this.annotationElement.innerHTML = "There is no annotation for this frame"; + } else { + this.annotationElement.innerHTML = ''; + } + + } + + increment(by = 1) { + this.setIndex(this.index + by); + } + + decrement(by = 1) { + this.setIndex(this.index - by); + } + + addShortcuts() { + document.addEventListener('keyup', (e) => { + switch (e.code) { + case 'ArrowRight': this.increment(e.ctrlKey ? 10 : 1); break; + case 'ArrowLeft': this.decrement(e.ctrlKey ? 10 : 1); break; + } + + if (e.code.startsWith('Numpad') || e.code.startsWith('Digit')) { + let key = parseInt(e.code[e.code.length - 1], 10); + this.toggle(key); + } + }); + } + + toggle(key) { + let event = Events[key]; + if (event === undefined) { + return; + } + + let events = this.annotations[this.formatIndex(this.index + 1)]; + let search = events.indexOf(event); + + if (search === -1) { + events.push(event); + } else { + events.splice(search, 1); + } + + this.setIndex(); + this.sync(); + } + + sync() { + fetch('/data', { + method: 'POST', + headers: { + 'Accept': 'application/json', + 'Content-Type': 'application/json' + }, + body: JSON.stringify({ + root: this.root, + annotations: this.annotations, + }), + }); + } +} +async function main() { + const root = findGetParameter('root'); + let annotations = await fetch(root + '/annotations.json'); + annotations = await annotations.json(); + const annotator = new Annotator(root, annotations, 'img-1', 'img-2', 'annotations'); +} + +main();