[core] Consolidated zoom and angle anchor logic

Made anchor a CameraOption for easeTo().

1 files changed, 4 insertions, 0 deletions

diff --git a/include/mbgl/map/camera.hpp b/include/mbgl/map/camera.hpp
index 95be4e8178..80734b76fd 100644
--- a/include/mbgl/map/camera.hpp
+++ b/include/mbgl/map/camera.hpp
@@ -17,6 +17,10 @@ struct CameraOptions {
     /** Coordinate at the center of the map. */
     mapbox::util::optional<LatLng> center;
     
+    /** Point of reference for `zoom` and `angle`, assuming an origin at the
+        top-left corner of the view. */
+    mapbox::util::optional<PrecisionPoint> anchor;
+    
     /** Zero-based zoom level. Constrained to the minimum and maximum zoom
         levels. */
     mapbox::util::optional<double> zoom;