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libtxt: cache font families that are remapped to the default font family (flutter/engine#4990)

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This commit is contained in:
Jason Simmons
2018-04-12 16:51:50 -07:00
committed by GitHub
parent 20e8a656ea
commit d4eda69c4c
1 changed files with 4 additions and 1 deletions
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5
engine/src/flutter/third_party/txt/src/txt/font_collection.cc vendored
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@@ -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.