node-webkit-screenshot  
---
> Create screenshots using node-webkit

Install

``shell
npm install node-webkit-screenshot
`

Usage

`js
var fs = require('fs');
var screenshot = require('node-webkit-screenshot');

screenshot({
url : 'http://google.de',
width : 1024,
height : 768
})
.then(function(buffer){
fs.writeFile('./out.png', buffer, function(){
// This will close the screenshot service
screenshot.close();
});
});

`

#### screenshot(options)

##### port

Type: number
Default: 3000

Specify custom port number for the webkit browser

##### delay

Type: number (seconds)
Default: 0

Delay capturing the screenshot.

Useful when the site does things after load that you want to capture.

##### format

Type: string png|jpeg
Default: png

Specify the image type fot he screenshot

##### width

Type: int
Default: 0

Specify the with of the browser window

##### height

Type: int
Default: 0

Specify the height of the browser window

##### crop (since 0.2.1)
Type: Object
Default: undefined

This will only work if generating png's.
A crop object may look like this:
`js
{
top : 10,
left : 10,
width : 100,
height : 100
}
`


#### close()

This will close the node-webkit process. You have to call this function before node is able to exit.

Troubleshooting

If you would like to use this on travis or with a framebuffer like xvfb than you need to set the environment variable
NODESCREENSHOT_SHOW to 1. (export NODESCREENSHOT_SHOW).
See this .travis.yml for more information

Changelog

##### 0.3.2
* Fix installation of sub modules for nw-screenshot
* Upgrade various modules

##### 0.3.1
* Fix black backgrounds in screenshots.

##### 0.3.0
* Add close() method.

##### 0.2.1
* remove toolbar for node-webkit
* Add crop option.

##### 0.2.0

* Rewrite using socket.io to communicate between a single nw-snapshot instance.
* Promise based API

##### 0.1.0`

* 0.1.0 Inital release