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canvasResizeをRails+carrierwaveで簡単に使えるようにする
Gemファイルに以下を追加
gem 'canvas-resize-rails'
application.jsに以下を追加
//= require canvas-resize-sprockets
carrierwaveのmodelをProfile, 対象のカラム名をimageとする場合、対象のmodelに以下のように設定
mount_uploader :image, ImageUploader
canvas_resize :image
formで例えば以下のようになっている場合、
= simple_form_for(@profile) do |f|
= f.input :image, as: :file, input_html: { class: 'resize_trigger' }
jsで以下のようにする。
$("input.resize_trigger").prepareToResizeForAll()
これでファイルに画像を設定するタイミングで自動的に以下の処理が行われる
この状態でsubmitするとリサイズ済みのファイルがcarrierwaveを通じて保存される
FAQs
Unknown package
We found that canvas-resize-rails demonstrated a not healthy version release cadence and project activity because the last version was released a year ago. It has 1 open source maintainer collaborating on the project.
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