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docs: webContents.beginFrameSubscription

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Cheng Zhao 2015-09-18 17:53:19 +08:00
parent 573892c112
commit 1e918480b4
2 changed files with 14 additions and 10 deletions
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docs/api/web-contents.md
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@ -551,3 +551,17 @@ For the `mouseWheel` event, the `event` object also have following properties:
* `accelerationRatioY` Integer
* `hasPreciseScrollingDeltas` Boolean
* `canScroll` Boolean
### `webContents.beginFrameSubscription(callback)`
* `callback` Function
Begin subscribing for presentation events and captured frames, the `callback`
will be called with `callback(frameBuffer)` when there is a presentation event.
The `frameBuffer` is a `Buffer` that contains raw pixel data, in the format of
32bit ARGB.
### `webContents.endFrameSubscription()`
End subscribing for frame presentation events.