first commit

render/index.js

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+/**
+ * Render the frames into PNG images
+ * An electron app, takes one command line argument `step`
+ * 
+ * @author Mohammad Fares <faressoft.com@gmail.com>
+ */
+
+var path          = require('path'),
+    app           = require('electron').app,
+    BrowserWindow = require('electron').BrowserWindow,
+    ipcMain       = require('electron').ipcMain;
+
+// Set as global to be read by the web page
+global.step = process.argv[2] || 1;
+
+// Hide the Dock for macOS
+app.dock.hide();
+
+// Set the display scale factor to 1
+app.commandLine.appendSwitch('force-device-scale-factor', 1);
+
+// When the app is ready
+app.on('ready', createWindow);
+
+/**
+ * Create a hidden browser window and load the rendering page
+ */
+function createWindow() {
+
+  // Create a browser window
+  var win = new BrowserWindow({show: false});
+
+  // Load index.html 
+  win.loadURL('file://' + __dirname + '/index.html');
+
+  // Maximize the window
+  win.maximize();
+
+}
+
+/**
+ * A callback function for the event:
+ * When a frame is captured
+ * 
+ * @param {Number} recordIndex
+ */
+ipcMain.on('captured', function(recordIndex) {
+
+  console.log(recordIndex);
+  
+});
+
+/**
+ * A callback function for the event:
+ * When something unexpected happened
+ *
+ * @param {String} errorMsg
+ */
+ipcMain.on('error', function(errorMsg) {
+
+  console.error(errorMsg);
+  
+});