From 665e02f75fd919a4745b4ada93f5d62f658f90ec Mon Sep 17 00:00:00 2001
From: Fabien Castan <fabcastan@gmail.com>
Date: Wed, 21 Apr 2021 18:54:53 +0200
Subject: [PATCH] [software] colorCheckerDetection: linux build fix

---
 src/software/utils/main_colorCheckerDetection.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/software/utils/main_colorCheckerDetection.cpp b/src/software/utils/main_colorCheckerDetection.cpp
index cdac817257..82771d5e3f 100644
--- a/src/software/utils/main_colorCheckerDetection.cpp
+++ b/src/software/utils/main_colorCheckerDetection.cpp
@@ -275,7 +275,7 @@ struct MacbethCCheckerQuad : Quad {
                     // Check current pixel for the current image mask
                     if(_cellMasks[i].at<uchar>(y,x) == 255)
                     {
-                        image::RGBAfColor& px = img(y + _bbox.min.y, x + _bbox.min.x);
+                        const image::RGBAfColor& px = img(y + _bbox.min.y, x + _bbox.min.x);
                         _colorData.at< cv::Vec3d >(i,0) += cv::Vec3d(px.r(), px.g(), px.b());
                         ++pixelsCount.at<int>(i);
                     }