RubyFlow The Ruby and Rails community linklog


The Ruby and Rails community linklog

Made a library? Written a blog post? Found a useful tutorial? Share it with the Ruby community here or just enjoy what everyone else has found!

Image opacity manipulation and dynamic watermark generation

This blog post shows how you can use cloud-based image transformations to easily manipulate the opacity of images and how to use this technique to add watermarks to images. Ruby sample code is included.

Post a comment

You can use basic HTML markup (e.g. <a>) or Markdown.

As you are not logged in, you will be
directed via GitHub to signup or sign in