libtxt: cache font families that are remapped to the default font fam…

…ily (#4990)
flutter · Apr 12, 2018 · b7358b3 · b7358b3
1 parent a530035
commit b7358b3
Showing 1 changed file with 4 additions and 1 deletion.
diff --git a/third_party/txt/src/txt/font_collection.cc b/third_party/txt/src/txt/font_collection.cc
@@ -156,7 +156,10 @@ FontCollection::GetMinikinFontCollectionForFamily(const std::string& family) {
 
   const auto default_font_family = GetDefaultFontFamily();
   if (family != default_font_family) {
-    return GetMinikinFontCollectionForFamily(default_font_family);
+    std::shared_ptr<minikin::FontCollection> default_collection =
+        GetMinikinFontCollectionForFamily(default_font_family);
+    font_collections_cache_[family] = default_collection;
+    return default_collection;
   }
 
   // No match found in any of our font managers.