A gem to convert a picture into black and white grid...

Heroku doesn't save uploaded images?...

How do I take screenshots of web pages using ruby and a unix server?...

Rmagick compress when filesize is bigger than X without write (upload to S3)...

How to manipulate PNG images using ImageMagick on Heroku...

Fill rectangle using image -- works in browser but not with imagemagick convert...

Carrierwave add a watermark to processed images...

Image Manipulation in Ruby...

Generate animated rotating image and displaying in memory version using rmagick and Sinatra...

Carrierwave undefined metho auto_orient...

OS X Lion, ImageMagick and RMagic - how to install?...

OSX Lion - cannot remove imagick...

Compare two images, where the one is slightly cropped (zoomed)...

Unknown error with Paperclip and ImageMagick - Rails 2...

RoR: Pushing to production and can't access image...

RMagick gem fails to install on Debian Stable...

Getting first image in gif using carrierwave...

RMagick: Rotate image with origin (matrix transform)...

Rails rmagick - Converted Image Turns Solid Black When 'resize_to_fit' applied...

RMagick image type detection failing on Heroku...

Carrierwave pdf to jpg thumbnail, works in either Safari +iOS or IE, Firefox, Chrome but not both...

RMagick with a direct form submitted Image from Sinatra...

Sidekiq terminated when high memory usage during generating watermark in server...

Problems installing RMagick-gem in Rails...

Overlay not showing...

Prawn-gmagick conflit with RMagick...

RMagic gem require error. RMagick2.so cannot be opened...

How to save RMagick processed image using Paperclip without writing to a file...

ImageMagickError unable to read font `(null)': `(null)'...

Rails: SVG to PNG using imagemagick/RMagick...