From 7eab386122bbf6ad2c7a04b1618322842dd7b82f Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?D=C3=A1vid=20Szab=C3=B3?= <david.szabo97@gmail.com>
Date: Fri, 26 Aug 2016 01:40:56 +0200
Subject: [PATCH] Make sure opacity is a float and rounded

---
 src/js/model/Layer.js | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/js/model/Layer.js b/src/js/model/Layer.js
index c41ca987..0dba5340 100644
--- a/src/js/model/Layer.js
+++ b/src/js/model/Layer.js
@@ -37,10 +37,13 @@
   };
 
   ns.Layer.prototype.setOpacity = function (opacity) {
+    if (typeof opacity == 'string') {
+      opacity = parseFloat(opacity);
+    }
     if (opacity === null || isNaN(opacity) || opacity < 0 || opacity > 1) {
       return;
     }
-    this.opacity = opacity;
+    this.opacity = +opacity.toFixed(3);
   };
 
   ns.Layer.prototype.isTransparent = function () {