From 4c311a0091caea8246b36fb63cee4dbec3a62234 Mon Sep 17 00:00:00 2001
From: Jason Wray <jason@mapbox.com>
Date: Sat, 11 Feb 2017 02:06:20 -0500
Subject: [PATCH] [core] Expose Map::setZoom with anchor parameter

---
 include/mbgl/map/map.hpp | 1 +
 src/mbgl/map/map.cpp     | 8 +++++++-
 2 files changed, 8 insertions(+), 1 deletion(-)

diff --git a/include/mbgl/map/map.hpp b/include/mbgl/map/map.hpp
index c80420371..c51d7e9ff 100644
--- a/include/mbgl/map/map.hpp
+++ b/include/mbgl/map/map.hpp
@@ -98,6 +98,7 @@ public:
     void setScale(double scale, optional<ScreenCoordinate> = {}, const Duration& = Duration::zero());
     double getScale() const;
     void setZoom(double zoom, const Duration& = Duration::zero());
+    void setZoom(double zoom, optional<ScreenCoordinate>, const Duration& = Duration::zero());
     void setZoom(double zoom, optional<EdgeInsets>, const Duration& = Duration::zero());
     double getZoom() const;
     void setLatLngZoom(const LatLng&, double zoom, const Duration& = Duration::zero());
diff --git a/src/mbgl/map/map.cpp b/src/mbgl/map/map.cpp
index 727fdf6d4..bd69ce50f 100644
--- a/src/mbgl/map/map.cpp
+++ b/src/mbgl/map/map.cpp
@@ -537,7 +537,13 @@ double Map::getScale() const {
 
 void Map::setZoom(double zoom, const Duration& duration) {
     impl->cameraMutated = true;
-    setZoom(zoom, {}, duration);
+    setZoom(zoom, optional<EdgeInsets> {}, duration);
+}
+
+void Map::setZoom(double zoom, optional<ScreenCoordinate> anchor, const Duration& duration) {
+    impl->cameraMutated = true;
+    impl->transform.setZoom(zoom, anchor, duration);
+    impl->onUpdate(Update::RecalculateStyle);
 }
 
 void Map::setZoom(double zoom, optional<EdgeInsets> padding, const Duration& duration) {