1 files changed, 14 insertions, 0 deletions
diff --git a/include/minikin/FamilyVariant.h b/include/minikin/FamilyVariant.h
index 1734a1f..7711484 100644
--- a/include/minikin/FamilyVariant.h
+++ b/include/minikin/FamilyVariant.h
@@ -18,6 +18,7 @@
 #define MINIKIN_FAMILY_VARIANT_H
 
 #include <cstdint>
+#include <ostream>
 
 namespace minikin {
 
@@ -28,6 +29,19 @@ enum class FamilyVariant : uint8_t {
     ELEGANT = 2,  // Must be the same as FontConfig.VARIANT_ELEGANT
 };
 
+inline std::ostream& operator<<(std::ostream& os, const FamilyVariant& variant) {
+    switch (variant) {
+        case FamilyVariant::DEFAULT:
+            return os << "default";
+        case FamilyVariant::COMPACT:
+            return os << "compact";
+        case FamilyVariant::ELEGANT:
+            return os << "elegant";
+        default:
+            return os << "[UNKNOWN]";
+    }
+}
+
 }  // namespace minikin
 
 #endif  // MINIKIN_FAMILY_VARIANT_H