#957 Load retina images when window.devicePixelRatio > 1.5

template/_header_js.html

@@ -9,10 +9,10 @@
     });
 
     (function(w) {
-        var dpr = (w.devicePixelRatio === undefined ? 1 : w.devicePixelRatio);
-        if ($.cookie('devicePixelRatio') == dpr || dpr <= 1.5)
+        var dpr = (w.devicePixelRatio === undefined ? 1 : Math.round(w.devicePixelRatio));
+        if ($.cookie('devicePixelRatio') == dpr || dpr < 2)
             return;
-        $.cookie('devicePixelRatio', 2, {expires: 365, path: '/'});
+        $.cookie('devicePixelRatio', dpr, {expires: 365, path: '/'});
         window.location.reload();
     })(window);
 </script>