[core] Make TransformState LatLngBounds optional

2017-06-01 00:58:03 +03:00
parent 8935845171
commit 99cfbacdfb
7 changed files with 31 additions and 20 deletions
--- a/src/mbgl/map/transform.cpp
+++ b/src/mbgl/map/transform.cpp
@@ -406,10 +406,11 @@ double Transform::getZoom() const {

 #pragma mark - Bounds

-void Transform::setLatLngBounds(const LatLngBounds& bounds) {
-    if (bounds.valid()) {
-        state.setLatLngBounds(bounds);
+void Transform::setLatLngBounds(optional<LatLngBounds> bounds) {
+    if (bounds && !bounds->valid()) {
+        throw std::runtime_error("failed to set bounds: bounds are invalid");
    }
+    state.setLatLngBounds(bounds);
 }

 void Transform::setMinZoom(const double minZoom) {