Dimscan
A small library for extracting pixel dimensions for images hosted on web servers. Only loads whatever portion is necessary to determine the dimensions.
Installation
Add this line to your application's Gemfile:
gem 'dimscan'
And then execute:
$ bundle
Or install it yourself as:
$ gem install dimscan
Usage
scanner = Dimscan::JPEGScanner.new('https://example.com/image.jpg')
scanner.scan_dimensions
# => { width: 32, height: 32 }
At the moment only JPEG and PNG are supported.
Development
After checking out the repo, run bin/setup
to install dependencies. Then, 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
to create a git tag for the version, push git
commits and tags, and push the .gem
file to
rubygems.org.
Contributing
- Fork it ( https://github.com/[my-github-username]/dimscan/fork )
- Create your feature branch (
git checkout -b my-new-feature
) - Commit your changes (
git commit -am 'Add some feature'
) - Push to the branch (
git push origin my-new-feature
) - Create a new Pull Request