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Detalied documentation about frameBuffer's format.

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Heilig Benedek 2015-09-28 22:33:43 +02:00
parent 44ee74a9b1
commit 8734395358
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7
docs/api/web-contents.md
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@ -565,8 +565,11 @@ For the `mouseWheel` event, the `event` object also have following properties:
Begin subscribing for presentation events and captured frames, the `callback` Begin subscribing for presentation events and captured frames, the `callback`
will be called with `callback(frameBuffer)` when there is a presentation event. 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 The `frameBuffer` is a `Buffer` that contains raw pixel data. On most machines,
32bit ARGB. the pixel data is effectively stored in 32bit BGRA format, but the actual
representation depends on the endianness of the processor (most modern
processors are little-endian, on machines with big-endian processors the data
is in 32bit ARGB format).
### `webContents.endFrameSubscription()` ### `webContents.endFrameSubscription()`