diff --git a/src/gfx_layout.h b/src/gfx_layout.h
--- a/src/gfx_layout.h
+++ b/src/gfx_layout.h
@@ -97,7 +97,7 @@ public:
 		virtual const Font *GetFont() const = 0;
 		virtual int GetGlyphCount() const = 0;
 		virtual const std::vector<GlyphID> &GetGlyphs() const = 0;
-		virtual const std::vector<float> &GetPositions() const = 0;
+		virtual const std::vector<Point> &GetPositions() const = 0;
 		virtual int GetLeading() const = 0;
 		virtual const std::vector<int> &GetGlyphToCharMap() const = 0;
 	};