ETFC

ETFC is your friendly flickr collage creator. You give it a few keywords like 'butter', 'rick sanchez' and 'purpose'; ETFC will then go and fetch the most interesting related pictures from flickr and create a collage of 5x2 images.

Prerequisites

Software

ImageMagick needs to be installed, check http://www.imagemagick.org/ for instructions.

Though not strictly necessary, the user is advised to ensure a words file is present.

Flickr API Key

Flickr requires an API Key and Shared Secret for communication with their API, unfortunately we can't distribute these with the source code and thus you will have to go through their simple registration process to receive these. Simply go to Flickr's App Garden and register an application of your own.

Installation

You probably want to use ETFC from your command line, in order to do so simply install the gem:

$ gem install etfc

Alternatively you can use ETFC's functionality from your own application. Add this line to your application's Gemfile:

gem 'etfc'

And then execute:

$ bundle

Usage

As mentioned under the Prerequisites, you will need an API Key and Shared Secret. Place these as environment variables in your terminal environment:

$ export FLICKR_API_KEY=abcdef12341abcdef 
$ export FLICKR_SHARED_SECRET=fedcba321 

CLI usage

To create a collage use the following command:

$ etfc collage best_collage_ever.jpg --keywords=butter 'rick sanchez' purpose

API usage

You can use ETFC as a gem in your application and (re-)use it's functionality for your own purposes. ETFC consist of several modules each serving a singular purpose:

• ETFC::Flickr -> Flickr search
• ETFC::Image -> Image download and cropping
• ETFC::Collage -> Collage creation
• ETFC::Dictionary -> Random word selection from the (system) dictionary

Refer to the individual module's documentation for usage details, or have a look at the ETFC::Runner on how to tie them all together.

Development

After checking out the repo, run bin/setup to install dependencies. Then, run rake spec to run the tests. You can also run bin/console for an interactive prompt that will allow you to experiment.

To install this gem onto your local machine, run bundle exec rake install. To release a new version, update the version number in version.rb, and then run bundle exec rake release, which will create a git tag for the version, push git commits and tags, and push the .gem file to rubygems.org.

Contributing

Bug reports and pull requests are welcome on GitHub at https://github.com/coffeejunk/etfc. This project is intended to be a safe, welcoming space for collaboration, and contributors are expected to adhere to the Contributor Covenant code of conduct.

License

The gem is available as open source under the terms of the MIT License.