From 50fd9175109e01c5286d3363df21aeba6e89087b Mon Sep 17 00:00:00 2001
From: Asheem Mamoowala <asheem.mamoowala@mapbox.com>
Date: Fri, 1 Sep 2017 16:33:35 -0700
Subject: Fast tileCount with help from @mapbox/sphericalmercator module

---
 include/mbgl/storage/offline.hpp | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

(limited to 'include/mbgl/storage')

diff --git a/include/mbgl/storage/offline.hpp b/include/mbgl/storage/offline.hpp
index 818cfe2ba5..afb2fa1e81 100644
--- a/include/mbgl/storage/offline.hpp
+++ b/include/mbgl/storage/offline.hpp
@@ -31,12 +31,14 @@ public:
 
     /* Private */
     std::vector<CanonicalTileID> tileCover(SourceType, uint16_t tileSize, const Range<uint8_t>& zoomRange) const;
-
+    unsigned long tileCount(SourceType, uint16_t tileSize, const Range<uint8_t>& zoomRange) const;
     const std::string styleURL;
     const LatLngBounds bounds;
     const double minZoom;
     const double maxZoom;
     const float pixelRatio;
+private:
+    Range<uint8_t> coveringZoomRange(SourceType, uint16_t tileSize, const Range<uint8_t>& zoomRange) const;
 };
 
 /*
-- 
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