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A gem to screencap webpages in ruby. Uses Phantom.js under the hood.
branch: master


A screenshot gem you can use from your ruby application. Uses Phantom.js under the hood.


Add this line to your application's Gemfile:

gem 'screencap'

And then execute:

$ bundle

Or install it yourself as:

$ gem install screencap


  require 'screencap'

  f ='')
  screenshot = f.fetch

it also currently supports a couple of options

  f ='')
  screenshot = f.fetch(
    :output => '~/my_directory.png', # don't forget the extension!
    # optional:
    :div => '.header', # selector for a specific element to take screenshot of
    :width => 1024,
    :height => 768,
    :top => 0, :left => 0, :width => 100, :height => 100 # dimensions for a specific area


  1. Fork it
  2. Create your feature branch (git checkout -b my-new-feature)
  3. Commit your changes (git commit -am 'Added some feature')
  4. Push to the branch (git push origin my-new-feature)
  5. Create new Pull Request
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