From d5e7fa8d9448eda6e57a4fdcfdcf918ca2ac0f95 Mon Sep 17 00:00:00 2001
From: Mayhem <stepien.nicolas@gmail.com>
Date: Sat, 16 Nov 2013 20:38:48 +0100
Subject: [PATCH] QR thumbnail previews creation should be aware of the device
 pixel ratio.

---
 src/Posting/QR.coffee | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/Posting/QR.coffee b/src/Posting/QR.coffee
index 92c3d9a51..7f850868b 100644
--- a/src/Posting/QR.coffee
+++ b/src/Posting/QR.coffee
@@ -601,7 +601,7 @@ QR =
         # Resized pictures through canvases look like ass,
         # so we generate thumbnails `s` times bigger then expected
         # to avoid crappy resized quality.
-        s = 90*2
+        s = 90 * 2 * window.devicePixelRatio
         s *= 3 if @file.type is 'image/gif' # let them animate
         {height, width} = img
         if height < s or width < s