Merge pull request #6597 from sturkmen72:issue_4678

modules/highgui/include/opencv2/highgui.hpp

@@ -677,7 +677,7 @@ after the specified delay the original content of the window is restored.
 function is called before the previous overlay text timed out, the timer is restarted and the text
 is updated. If this value is zero, the text never disappears.
  */
-CV_EXPORTS void displayOverlay(const String& winname, const String& text, int delayms = 0);
+CV_EXPORTS_W void displayOverlay(const String& winname, const String& text, int delayms = 0);
 
 /** @brief Displays a text on the window statusbar during the specified period of time.
 
@@ -691,7 +691,7 @@ created with the CV_GUI_EXPANDED flags).
 the previous text timed out, the timer is restarted and the text is updated. If this value is
 zero, the text never disappears.
  */
-CV_EXPORTS void displayStatusBar(const String& winname, const String& text, int delayms = 0);
+CV_EXPORTS_W void displayStatusBar(const String& winname, const String& text, int delayms = 0);
 
 /** @brief Saves parameters of the specified window.