A script that runs a script in all of the configured docker images

This gem allows you to render SVG directly into a PDF using the 'prawn' gem. Since PDF is vector-based, you'll get nice scaled graphics if you use SVG instead of an image.

Image processing via MiniMagick for Refile

The win32-clipboard library provides an interface for interacting with the Windows clipboard. It supports the ability to read and write text, images, files, and Windows metafiles.

Extract the dominant colors from an image.

punks - generate your own 24×24 (or 32×32 or 12×12) punk (incl. Matt & John's® ye olde punk v1/v2 anno 2017 style), phunk, philip, marilyn, marc, saudi/sheik, man in black, hottie 'n' more (pixel) avatar / character images (off chain) from text attributes (via built-in spritesheets); incl. 2x/4x/...

A command line tool to turn images into ASCII art

DICOM is a standard widely used throughout the world to store and transfer medical image data. This library enables efficient and powerful handling of DICOM in Ruby, to the benefit of any student or professional who would like to use their favorite language to process DICOM files and communicate ...

A Ruby implementation of go-identicon by Damian Gryski RubyIdenticon creates an identicon, similar to those created by Github. A title and key are used by siphash to calculate a hash value that is then used to create a visual identicon representation. The identicon is made by cr...

A IIIF image server

QuickMagick allows you to access ImageMagick command line functions using Ruby interface.

backgrounds - generate your own unique pixel art background images (off chain) from text attributes (via built-in spritesheets); incl. color stripes, gradients, and more

OpenSeadragon is a javascript library for displaying tiling images. This gem packages those assets and some Rails helpers for using them

Create favicon files in various sizes from one or multiple base images

Protect your carrierwave from image bombs

Finds the dominant colors in an image and scores them against a user-defined palette, using the CIE2000 Delta E formula.

Image/Flash extract width/height dimensions extractor

Automatic Lossless Reduction Of All Your Images

Offload CarrierWave's image processing and storage to a background process using Delayed Job, Resque, Sidekiq, Qu, Queue Classic or Girl Friday

File and Image handling