From 21c290cc8d6556673379b584a862f290e756a1dc Mon Sep 17 00:00:00 2001
From: Scott Hunter <shunter@agi.com>
Date: Thu, 10 Aug 2017 10:01:18 -0400
Subject: [PATCH] Add more Bing Maps imagery styles.

---
 CHANGES.md                    |  1 +
 Source/Scene/BingMapsStyle.js | 26 +++++++++++++++++++++++++-
 2 files changed, 26 insertions(+), 1 deletion(-)

diff --git a/CHANGES.md b/CHANGES.md
index 8285d7115cff..a655183f5dd9 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -7,6 +7,7 @@ Change Log
 * Fixed issue where `Model` and `BillboardCollection` would throw an error if the globe is undefined [#5638](https://github.com/AnalyticalGraphicsInc/cesium/issues/5638)
 * Fixed issue where the `Model` glTF cache loses reference to the model's buffer data. [#5720](https://github.com/AnalyticalGraphicsInc/cesium/issues/5720)
 * Fixed some issues with `disableDepthTestDistance` [#5501](https://github.com/AnalyticalGraphicsInc/cesium/issues/5501) [#5331](https://github.com/AnalyticalGraphicsInc/cesium/issues/5331) [#5621](https://github.com/AnalyticalGraphicsInc/cesium/issues/5621)
+* Added several new Bing Maps styles: `CANVAS_DARK`, `CANVAS_LIGHT`, and `CANVAS_GRAY`.
 
 ### 1.36 - 2017-08-01
 
diff --git a/Source/Scene/BingMapsStyle.js b/Source/Scene/BingMapsStyle.js
index 72e21754d1ff..1415ed6f0220 100644
--- a/Source/Scene/BingMapsStyle.js
+++ b/Source/Scene/BingMapsStyle.js
@@ -37,7 +37,31 @@ define([
         ROAD : 'Road',
 
         /**
-         * Ordnance Survey imagery
+         * A dark version of the road maps.
+         *
+         * @type {String}
+         * @constant
+         */
+        CANVAS_DARK : 'CanvasDark',
+
+        /**
+         * A lighter version of the road maps.
+         *
+         * @type {String}
+         * @constant
+         */
+        CANVAS_LIGHT : 'CanvasLight',
+
+        /**
+         * A grayscale version of the road maps.
+         *
+         * @type {String}
+         * @constant
+         */
+        CANVAS_GRAY : 'CanvasGray',
+
+        /**
+         * Ordnance Survey imagery. This imagery is visible only for the London, UK area.
          *
          * @type {String}
          * @constant