Add UnifontEx fallback for glyphs that are missing from the current font

2 files changed, 5 insertions, 0 deletions

diff --git a/source/core/StarFont.cpp b/source/core/StarFont.cpp
index 63356ad..b21b85a 100644
--- a/source/core/StarFont.cpp
+++ b/source/core/StarFont.cpp
@@ -133,4 +133,8 @@ std::pair<Image, Vec2I> Font::render(String::Char c) {
   return { std::move(image), {slot->bitmap_left - 1, (slot->bitmap_top - height) + (m_pixelSize / 4) - 1} };
 }
 
+bool Font::exists(String::Char c) {
+  return FT_Get_Char_Index(m_fontImpl->face, c);
+}
+
 }
diff --git a/source/core/StarFont.hpp b/source/core/StarFont.hpp
index ec10533..dee50f7 100644
--- a/source/core/StarFont.hpp
+++ b/source/core/StarFont.hpp
@@ -35,6 +35,7 @@ public:
   // render a box, but if there is an internal freetype error this may return
   // an empty image).
   std::pair<Image, Vec2I> render(String::Char c);
+  bool exists(String::Char c);
 
 private:
   FontImplPtr m_fontImpl;