Support UTF8 to UTF16 LE

modules/ANSODEngine/ANSEngineCommon.h

@@ -660,6 +660,17 @@ namespace ANSCENTER
         static std::string PolygonToString(const std::vector<cv::Point2f>& polygon);
         static std::string  KeypointsToString(const std::vector<float>& kps);
         static std::vector<cv::Point2f> RectToNormalizedPolygon(const cv::Rect& rect, float imageWidth, float imageHeight);
+
+        // Convert a UTF-8 encoded string to UTF-16LE byte string.
+        // Useful for LabVIEW which can display UTF-16LE Unicode text on Windows.
+        // Returns a std::string containing the raw UTF-16LE bytes (2 bytes per character).
+        static std::string ConvertUTF8ToUTF16LE(const std::string& utf8Str);
+
+        // Decode JSON Unicode escape sequences (\uXXXX) to UTF-16LE byte string.
+        // Input: ASCII string with \uXXXX escapes (e.g., "\\u6c5f\\u6771 599")
+        // Output: UTF-16LE byte string for LabVIEW display.
+        // ASCII characters pass through as 2-byte UTF-16LE (e.g., 'A' -> 0x41 0x00).
+        static std::string DecodeJsonUnicodeToUTF16LE(const std::string& escapedStr);
         static std::vector<cv::Point2f> MaskToNormalizedPolygon(const cv::Mat& binaryMask, const cv::Rect& boundingBox, float imageWidth, float imageHeight, float simplificationEpsilon = 2.0f, int minContourArea = 10, int maxPoints = 50);
 
     };
@@ -1142,4 +1153,8 @@ namespace ANSCENTER
     };
 }
 
+// Unicode conversion utilities for LabVIEW wrapper classes
+extern "C" ANSENGINE_API int ANSEngine_ConvertUTF8ToUTF16LE(const char* utf8Str, LStrHandle result);
+extern "C" ANSENGINE_API int ANSEngine_ConvertUTF16LEToUTF8(const unsigned char* utf16leBytes, int byteLen, LStrHandle result);
+
 #endif