exrot

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:camera: Snap webcam photos from the command line.

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# exrot

> like [scrot](https://en.wikipedia.org/wiki/Scrot), but for **ex**ternal use: taking webcam shots

Sometimes I like to take a quick picture of a whiteboard or some notes, but
don't want to go find a phone and fiddle with getting images off of it.

## Install

With [npm](https://npmjs.org/) installed, run

```
$ npm install --global exrot
```

## CLI Usage

```
USAGE:

exrot [OPTIONS]... [FILE]

Where FILE is the target file for the screenshot.

If FILE is not specified, a date-stamped file will be dropped in the
  current directory.

-h, --help                display this help and exit
  -d, --delay NUM           wait NUM seconds before taking a shot
  -x, --sfx                 play a camera shutter sound when finished
  -i, --interactive         bring up an interactive video; click to snap
```

## API Usage

```js
var exrot = require('exrot')

var opts = {
  width: 320,
  height: 240,
  sfx: true,
  interactive: false
}

exrot(opts, function (err, data) {
  if (err) throw err
  process.stdout.write(data)
})
```

outputs the raw PNG data from the captured frame.

## API

```js
var exrot = require('exrot')
```

### exrot(opts, cb)

`opts`, if present, can set

- `opts.sfx` (boolean) - whether to play a camera shutter sound effect on when
  finished.
- `opts.interactive` (boolean) - whether to bring up an Electron window with
  a live video feed that the user can click on to take a snapshot.

`cb` is a callback that will be called with `cb(err, data)`, where `data` is a
`Buffer` of raw PNG data.

## License

ISC

exrot

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