From dff7037156779920c3094cad64e828a66b8b9873 Mon Sep 17 00:00:00 2001
From: Aman Verma <aman11dhanpat@gmail.com>
Date: Tue, 6 Oct 2015 14:23:27 +0000
Subject: [PATCH] Adding fix for issue 5451 "putText fails with empty
 std::string"

---
 modules/imgproc/src/drawing.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/modules/imgproc/src/drawing.cpp b/modules/imgproc/src/drawing.cpp
index d2a7c03cd..a968943f4 100644
--- a/modules/imgproc/src/drawing.cpp
+++ b/modules/imgproc/src/drawing.cpp
@@ -2090,6 +2090,10 @@ void putText( InputOutputArray _img, const String& text, Point org,
               int thickness, int line_type, bool bottomLeftOrigin )
 
 {
+    if ( text.empty() )
+    {
+        return;
+    }
     Mat img = _img.getMat();
     const int* ascii = getFontData(fontFace);