From: Jean-Philippe Lang <jp_lang@yahoo.fr>
Date: Mon, 30 Jan 2017 19:41:31 +0000 (+0000)
Subject: Hires (2x DPR) image support for Thumbnails (#24927).
X-Git-Tag: 3.4.0~320
X-Git-Url: https://source.dussan.org/?a=commitdiff_plain;h=721843a5482a5754ef796471c14ed087f21fe740;p=redmine.git

Hires (2x DPR) image support for Thumbnails (#24927).

Patch by Jan Schulz-Hofen.

git-svn-id: http://svn.redmine.org/redmine/trunk@16314 e93f8b46-1217-0410-a6f0-8f06a7374b81
---

diff --git a/app/helpers/application_helper.rb b/app/helpers/application_helper.rb
index ced854693..c432472bc 100644
--- a/app/helpers/application_helper.rb
+++ b/app/helpers/application_helper.rb
@@ -220,7 +220,7 @@ module ApplicationHelper
   end
 
   def thumbnail_tag(attachment)
-    link_to image_tag(thumbnail_path(attachment)),
+    link_to image_tag(thumbnail_path(attachment), :srcset => "#{thumbnail_path(attachment, :size => Setting.thumbnails_size.to_i * 2)} 2x"),
       named_attachment_path(attachment, attachment.filename),
       :title => attachment.filename
   end