A gem for making randomly generated gradient art.

It's beautiful

Photomosaic Generator

"Manage events & associated photos using uploadify and carrierwave."

Makes simple calls to RMagick methods and scales photos

Piccle uses the EXIF data present in your photographs and uses it to build a website that lets visitors browse by camera, tag, location, and more.

PicPacPut - Bulk shrink images and pack them.

Enter up to 10 keywords and generate a collage by using images from Flickr.

Draw dots on maps by lat/lon or zip code. Includes a library of 30 map backgrounds, and associated geocoding configuration data, and a table of US zip codes with their approximate centroids as latitude and longitude. Exposes the ImageMagick image and coordinate conversions so that overlaying labels, lines, and other features on dots is possible. Renders as a blob suitable for e.g. Rails send_data as an img tag src and writes files in any supported ImageMagick graphic format.

Generates tracks for pitchcar

Create a binary pixel map

Generate beautiful backgrounds from images

Create pixel sorted gifs.

A simple placeholder image generator

Library to compare images and generate difference image files

A wrapper of RMagick which detects the color name used most often by extracting pixels from a image file.

Create a pixel raster representation of an image (for educational purposes).

Generate placeholder images of various sizes, colors, and text colors.

PlaceImg lets you easily add placeholder images to your HTML by generating images with RMagick and serving them as data URLs via an easy to use helper method.

Rank images on an HTML page for use as a thumbnail