From: nickjackolson <metedurlu@gmail.com>
Date: Wed, 17 Nov 2021 20:56:55 +0000 (+0100)
Subject: add !empty assertion in seamlessClone()
X-Git-Tag: accepted/tizen/unified/20230127.161057~1^2~6^2~263^2
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=b696928a5b73f27d3b3c4678cea8bc2e5fd845d7;p=platform%2Fupstream%2Fopencv.git

add !empty assertion in seamlessClone()

issue #20617 addresses lack of warnings on
seamlessClone() function when src is None.
This commit adds source check using CV_Assert
therefore debugging would be easier.

Signed-off-by: nickjackolson <metedurlu@gmail.com>
---

diff --git a/modules/photo/src/seamless_cloning.cpp b/modules/photo/src/seamless_cloning.cpp
index d092035..d21a3f2 100644
--- a/modules/photo/src/seamless_cloning.cpp
+++ b/modules/photo/src/seamless_cloning.cpp
@@ -67,6 +67,7 @@ static Mat checkMask(InputArray _mask, Size size)
 void cv::seamlessClone(InputArray _src, InputArray _dst, InputArray _mask, Point p, OutputArray _blend, int flags)
 {
     CV_INSTRUMENT_REGION();
+    CV_Assert(!_src.empty());
 
     const Mat src  = _src.getMat();
     const Mat dest = _dst.getMat();