watermark with paperclip

Question

according to this example (http://dimaspriyanto.com/2010/06/08/image-watermarking-with-paperclip/), I try to put a watermark on every picture I upload (for now, I restrain m

Answer 1

Here's the preprocessor that works (I use it) https://gist.github.com/2499137

Here's sample code for you model:

has_attached_file :data,
                  :processors => [:watermark],
                  :url  => "/ckeditor_assets/pictures/:id/:style_:basename.:extension",
                  :path => ":rails_root/public/ckeditor_assets/pictures/:id/:style_:basename.:extension",
                  :styles => {
                    :thumb => '118x100#',
                    :content => {
                      :geometry => '700>',
                      :watermark_path => "#{Rails.root}/public/images/watermark.png",
                      :position => 'SouthWest'
                    },
                  }