1 files changed, 29 insertions, 0 deletions
diff --git a/modules/text_server_fb/text_server_fb.cpp b/modules/text_server_fb/text_server_fb.cpp
index c7a7c4aa70..ffbd2da22d 100644
--- a/modules/text_server_fb/text_server_fb.cpp
+++ b/modules/text_server_fb/text_server_fb.cpp
@@ -32,6 +32,7 @@
 
 #include "core/error/error_macros.h"
 #include "core/string/print_string.h"
+#include "core/string/ucaps.h"
 
 #include "modules/modules_enabled.gen.h" // For freetype, msdfgen.
 
@@ -3356,6 +3357,34 @@ float TextServerFallback::shaped_text_get_underline_thickness(RID p_shaped) cons
 	return sd->uthk;
 }
 
+String TextServerFallback::string_to_upper(const String &p_string, const String &p_language) const {
+	String upper = p_string;
+
+	for (int i = 0; i < upper.size(); i++) {
+		const char32_t s = upper[i];
+		const char32_t t = _find_upper(s);
+		if (s != t) { // avoid copy on write
+			upper[i] = t;
+		}
+	}
+
+	return upper;
+}
+
+String TextServerFallback::string_to_lower(const String &p_string, const String &p_language) const {
+	String lower = p_string;
+
+	for (int i = 0; i < lower.size(); i++) {
+		const char32_t s = lower[i];
+		const char32_t t = _find_lower(s);
+		if (s != t) { // avoid copy on write
+			lower[i] = t;
+		}
+	}
+
+	return lower;
+}
+
 TextServerFallback::TextServerFallback() {
 	_insert_feature_sets();
 };