From f96a4a73019f8a5101d083501e3060111c3a708f Mon Sep 17 00:00:00 2001
From: GaborFarkas <raandal73@gmail.com>
Date: Mon, 4 Jul 2016 16:47:30 +0200
Subject: [PATCH] Properly handle zeros in stroke style.

---
 src/ol/render/webgl/imagereplay/index.js | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/src/ol/render/webgl/imagereplay/index.js b/src/ol/render/webgl/imagereplay/index.js
index 4bf09b3ce6..ab923ce32a 100644
--- a/src/ol/render/webgl/imagereplay/index.js
+++ b/src/ol/render/webgl/imagereplay/index.js
@@ -1624,8 +1624,12 @@ ol.render.webgl.LineStringReplay.prototype.setFillStrokeStyle = function(fillSty
   var strokeStyleColor = ol.color.asArray(strokeStyle.getColor()).map(function(c, i) {
     return i != 3 ? c / 255 : c;
   }) || ol.render.webgl.defaultStrokeStyle;
-  var strokeStyleWidth = strokeStyle.getWidth() || ol.render.webgl.defaultLineWidth;
-  var strokeStyleMiterLimit = strokeStyle.getMiterLimit() || ol.render.webgl.defaultMiterLimit;
+  var strokeStyleWidth = strokeStyle.getWidth();
+  strokeStyleWidth = strokeStyleWidth !== undefined ?
+      strokeStyleWidth : ol.render.webgl.defaultLineWidth;
+  var strokeStyleMiterLimit = strokeStyle.getMiterLimit();
+  strokeStyleMiterLimit = strokeStyleMiterLimit !== undefined ?
+      strokeStyleMiterLimit : ol.render.webgl.defaultMiterLimit;
   if (!this.state_.strokeColor || !ol.array.equals(this.state_.strokeColor, strokeStyleColor) ||
       this.state_.lineWidth !== strokeStyleWidth || this.state_.miterLimit !== strokeStyleMiterLimit) {
     this.state_.changed = true;