1 files changed, 5 insertions, 1 deletions
diff --git a/src/mbgl/text/local_glyph_rasterizer.hpp b/src/mbgl/text/local_glyph_rasterizer.hpp
index c2bdbd2840..82b16b534d 100644
--- a/src/mbgl/text/local_glyph_rasterizer.hpp
+++ b/src/mbgl/text/local_glyph_rasterizer.hpp
@@ -32,11 +32,15 @@ namespace mbgl {
 
 class LocalGlyphRasterizer {
 public:
-    virtual ~LocalGlyphRasterizer() = default;
+    virtual ~LocalGlyphRasterizer();
+    LocalGlyphRasterizer(const optional<std::string> fontFamily = optional<std::string>());
 
     // virtual so that test harness can override platform-specific behavior
     virtual bool canRasterizeGlyph(const FontStack&, GlyphID);
     virtual Glyph rasterizeGlyph(const FontStack&, GlyphID);
+private:
+    class Impl;
+    std::unique_ptr<Impl> impl;
 };
 
 } // namespace mbgl