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[Gem] RMagick をCentOSでインストール

Last updated at Posted at 2017-03-29

RMagickって?

Ruby で画像処理ができるGemらしい。
エフェクトとかもかけれる。

詳しい使い方は下記で
http://qiita.com/scleen_x_x/items/14a80fd52e41dfcfb660

インストール方法

まずImageMagickをyumでインストール

$ sudo yum -y install ImageMagick ImageMagick-devel

次にgemをインストール

$ gem install rmagick

他の画像処理系Gem

mini_magick

  • ImageMagickより、機能が少ない(エフェクトかけれないなど)
  • ImageMagickより、軽い

弱いサーバーで簡単な画像処理をする際におすすめです。

gem install mini_magick

詳しい使い方は下記で
http://guyon.hatenablog.jp/entry/20100808/1281230609

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