Created
May 3, 2022 14:18
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electron offscreen render fiddle
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| <!DOCTYPE html> | |
| <html> | |
| <body> | |
| <select id="cars"> | |
| <option value="vw">vw</option> | |
| <option value="tesla">tesla</option> | |
| <option value="gm">gm</option> | |
| <option value="saab">saab</option> | |
| <option value="fiat">fiat</option> | |
| </select> | |
| </body> | |
| </html> |
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| const { app, BrowserWindow } = require('electron') | |
| const path = require('path') | |
| const fs = require('fs') | |
| function createWindow() { | |
| const mainWindow = new BrowserWindow({ | |
| width: 758, | |
| height: 1024, | |
| webPreferences: { | |
| offscreen: true, | |
| preload: path.join(__dirname, 'preload.js') | |
| } | |
| }) | |
| mainWindow.on('ready-to-show', () => { | |
| mainWindow.webContents.sendInputEvent({ type: 'mouseDown', x: 10, y: 10, button: 'left', clickCount: 1 }) | |
| mainWindow.webContents.sendInputEvent({ type: 'mouseUp', x: 10, y: 10, button: 'left', clickCount: 1 }) | |
| }) | |
| var i = 0; | |
| mainWindow.webContents.on('paint', (event, dirty, image) => { | |
| fs.writeFileSync(`${i}.png`, image.toPNG()) | |
| ++i | |
| }) | |
| mainWindow.loadFile('index.html') | |
| mainWindow.focusOnWebView() | |
| } | |
| app.whenReady().then(() => { | |
| createWindow() | |
| app.on('activate', function () { | |
| if (BrowserWindow.getAllWindows().length === 0) createWindow() | |
| }) | |
| }) | |
| app.on('window-all-closed', function () { | |
| if (process.platform !== 'darwin') app.quit() | |
| }) |
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| { | |
| "name": "homely-price-kill-gzo0z", | |
| "productName": "homely-price-kill-gzo0z", | |
| "description": "My Electron application description", | |
| "keywords": [], | |
| "main": "./main.js", | |
| "version": "1.0.0", | |
| "author": "george", | |
| "scripts": { | |
| "start": "electron ." | |
| }, | |
| "dependencies": {}, | |
| "devDependencies": { | |
| "electron": "18.0.3" | |
| } | |
| } |
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