class User < ActiveRecord::Base has_attached_file :avatar, :styles => { :small => "100x100#", :large => "500x500>" }, :processors => [:cropper] attr_accessor :crop_x, :crop_y, :crop_w, :crop_h after_update :reprocess_avatar, :if => :cropping? def cropping? !crop_x.blank? && !crop_y.blank? && !crop_w.blank? && !crop_h.blank? end def avatar_geometry(style = :original) @geometry ||= {} @geometry[styl
