From cf93f973ecedc416bd19c485366ec9651a7fae2c Mon Sep 17 00:00:00 2001
From: Andrei Mihailov <and.mikhaylov@gmail.com>
Date: Sun, 12 Apr 2015 13:52:09 +0200
Subject: [PATCH] Enable devicePixelRatio for desktop browsers

---
 src/Canvas.js | 9 ++-------
 1 file changed, 2 insertions(+), 7 deletions(-)

diff --git a/src/Canvas.js b/src/Canvas.js
index de1604c5..dd0b922a 100644
--- a/src/Canvas.js
+++ b/src/Canvas.js
@@ -2,12 +2,7 @@
     // calculate pixel ratio
     var canvas = Konva.Util.createCanvasElement(),
         context = canvas.getContext('2d'),
-        // if using a mobile device, calculate the pixel ratio.  Otherwise, just use
-        // 1.  For desktop browsers, if the user has zoom enabled, it affects the pixel ratio
-        // and causes artifacts on the canvas.  As of 02/26/2014, there doesn't seem to be a way
-        // to reliably calculate the browser zoom for modern browsers, which is why we just set
-        // the pixel ratio to 1 for desktops
-        _pixelRatio = Konva.UA.mobile ? (function() {
+        _pixelRatio = (function() {
             var devicePixelRatio = window.devicePixelRatio || 1,
             backingStoreRatio = context.webkitBackingStorePixelRatio
                 || context.mozBackingStorePixelRatio
@@ -16,7 +11,7 @@
                 || context.backingStorePixelRatio
                 || 1;
             return devicePixelRatio / backingStoreRatio;
-        })() : 1;
+        })();
 
     /**
      * Canvas Renderer constructor