pdf_cover 0.1.2
Provides processors for both Carrierwave and Paperclip to allow having a version of a PDF attachment that is actually an image representing the first page on that PDF. This gem uses GhostScript, so it must be installed in order for it to work.
Gemfile:
=
安装:
=
Runtime 依赖 (1):
rails
~> 4.2.4