From 89019ea23396eb237fdd75d5fe5d7fede78f8422 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=C3=89ric=20Lemoine?= <eric.lemoine@gmail.com>
Date: Tue, 26 Aug 2014 17:09:43 +0200
Subject: [PATCH 1/2] Fix ol.style.defaultStyleFunction signature

---
 src/ol/style/style.js | 14 +++++++++-----
 1 file changed, 9 insertions(+), 5 deletions(-)

diff --git a/src/ol/style/style.js b/src/ol/style/style.js
index b182db47bb..c3d72ccbf9 100644
--- a/src/ol/style/style.js
+++ b/src/ol/style/style.js
@@ -171,11 +171,15 @@ ol.style.defaultStyleFunction = function(feature, resolution) {
 
   // now that we've run it the first time,
   // replace the function with a constant version
-  ol.style.defaultStyleFunction =
-      /** @type {function(this:ol.Feature):Array.<ol.style.Style>} */(
-      function(resolution) {
-        return styles;
-      });
+
+  /**
+   * @param {ol.Feature} feature Feature.
+   * @param {number} resolution Resolution.
+   * @return {Array.<ol.style.Style>} Style.
+   */
+  ol.style.defaultStyleFunction = function(feature, resolution) {
+    return styles;
+  };
 
   return styles;
 };

From 0d92d7abc1b4bb9029fbec8084b1ee5bb1a4cf1c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=C3=89ric=20Lemoine?= <eric.lemoine@gmail.com>
Date: Tue, 26 Aug 2014 17:10:07 +0200
Subject: [PATCH 2/2] Better comments in ol.style.defaultStyleFunction

---
 src/ol/style/style.js | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/src/ol/style/style.js b/src/ol/style/style.js
index c3d72ccbf9..f108b801c3 100644
--- a/src/ol/style/style.js
+++ b/src/ol/style/style.js
@@ -169,8 +169,11 @@ ol.style.defaultStyleFunction = function(feature, resolution) {
     })
   ];
 
-  // now that we've run it the first time,
-  // replace the function with a constant version
+  // Now that we've run it the first time, replace the function with
+  // a constant version. We don't use an immediately-invoked function
+  // and a closure not to get an error at script evaluation time in
+  // browsers that do not support Canvas. ol.style.Circle indeed
+  // does canvas.getContext('2d') at construction time.
 
   /**
    * @param {ol.Feature} feature Feature.