From f85889dc75a96b022bedbbfc15be6fc246ae5c6d Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Konstantin=20K=C3=A4fer?= <mail@kkaefer.com>
Date: Mon, 8 Jun 2015 16:12:01 -0400
Subject: allow constructing LatLng/LatLngBounds objects from TileIDs

---
 include/mbgl/util/geo.hpp | 8 ++++++++
 1 file changed, 8 insertions(+)

(limited to 'include/mbgl/util/geo.hpp')

diff --git a/include/mbgl/util/geo.hpp b/include/mbgl/util/geo.hpp
index 6ece6d4de9..ff13726803 100644
--- a/include/mbgl/util/geo.hpp
+++ b/include/mbgl/util/geo.hpp
@@ -3,12 +3,17 @@
 
 namespace mbgl {
 
+class TileID;
+
 struct LatLng {
     double latitude = 0;
     double longitude = 0;
 
     inline LatLng(double lat = 0, double lon = 0)
         : latitude(lat), longitude(lon) {}
+
+    // Constructs a LatLng object with the top left position of the specified tile.
+    LatLng(const TileID& id);
 };
 
 struct ProjectedMeters {
@@ -26,6 +31,9 @@ struct LatLngBounds {
     inline LatLngBounds(LatLng sw_ = {90, 180}, LatLng ne_ = {-90, -180})
         : sw(sw_), ne(ne_) {}
 
+    // Constructs a LatLngBounds object with the tile's exact boundaries.
+    LatLngBounds(const TileID& id);
+
     inline void extend(const LatLng& point) {
         if (point.latitude < sw.latitude) sw.latitude = point.latitude;
         if (point.latitude > ne.latitude) ne.latitude = point.latitude;
-- 
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