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docs: Show how to use bitmap data directly

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This commit is contained in:
Cheng Zhao 2016-08-04 13:58:50 +09:00
parent 8c4ebdc88e
commit 736fbd46c6
2 changed files with 4 additions and 2 deletions
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4
docs/api/web-contents.md
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@ -473,9 +473,11 @@ Emitted when a new frame is generated. Only the dirty area is passed in the
buffer.
```javascript
const {BrowserWindow} = require('electron')
let win = new BrowserWindow({webPreferences: {offscreen: true}})
win.webContents.on('paint', (event, dirty, image) => {
fs.writeSync('frame.png', image.toPNG())
// updateBitmap(dirty, image.toBitmap())
})
win.loadURL('http://github.com')
```

2
docs/tutorial/offscreen-rendering.md
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@ -46,7 +46,7 @@ app.once('ready', () => {
})
win.loadURL('http://github.com')
win.webContents.on('paint', (event, dirty, image) => {
fs.writeSync('frame.png', image.toPNG())
// updateBitmap(dirty, image.toBitmap())
})
win.webContents.setFrameRate(30)
})