carrierwave

https://github.com/carrierwaveuploader/carrierwave

Ruby

Classier solution for file uploads for Rails, Sinatra and other Ruby web frameworks

CarrierWave::RMagick#resize_to_fill

From the RMagick documentation: "Resize the image to fit within the
specified dimensions while retaining the aspect ratio of the original
image. If necessary, crop the image in the larger dimension."

See even http://www.imagemagick.org/RMagick/doc/image3.html#resize_to_fill

=== Parameters

[width (Integer)] the width to scale the image to
[height (Integer)] the height to scale the image to

=== Yields

[Magick::Image] additional manipulations to perform

Source | Google | Stack overflow

Edit

git clone [email protected]:carrierwaveuploader/carrierwave.git

cd carrierwave

open lib/carrierwave/processing/rmagick.rb

Contribute

# Make a new branch

git checkout -b -your-name--update-docs-CarrierWave--RMagick-resize_to_fill-for-pr

# Commit to git

git add lib/carrierwave/processing/rmagick.rbgit commit -m "better docs for CarrierWave::RMagick#resize_to_fill"

# Open pull request

gem install hub # on a mac you can `brew install hub`

hub fork

git push <your name> -your-name--update-docs-CarrierWave--RMagick-resize_to_fill-for-pr

hub pull-request

# Celebrate!