Merge branch 'release-ios-v3.1.0'

1 files changed, 11 insertions, 0 deletions

diff --git a/src/mbgl/map/transform.cpp b/src/mbgl/map/transform.cpp
index b8c816ddc2..0f7af8c9e9 100644
--- a/src/mbgl/map/transform.cpp
+++ b/src/mbgl/map/transform.cpp
@@ -560,6 +560,17 @@ NorthOrientation Transform::getNorthOrientation() const {
     return state.getNorthOrientation();
 }
 
+#pragma mark - Constrain mode
+
+void Transform::setConstrainMode(mbgl::ConstrainMode mode) {
+    state.constrainMode = mode;
+    state.constrain(state.scale, state.x, state.y);
+}
+
+ConstrainMode Transform::getConstrainMode() const {
+    return state.getConstrainMode();
+}
+
 #pragma mark - Transition
 
 void Transform::startTransition(const CameraOptions& camera,