From e19a449dd07e5fbdd2258158f55642e78d7c5967 Mon Sep 17 00:00:00 2001
From: aravind <arvindsuresh2009@gmail.com>
Date: Thu, 24 Mar 2016 11:53:30 +0530
Subject: [PATCH] Fixed roiSelector platform dependency bug - lower 8 bits
 comparison for keypresses.

---
 modules/tracking/src/roiSelector.cpp | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/modules/tracking/src/roiSelector.cpp b/modules/tracking/src/roiSelector.cpp
index b16155b24..054311a59 100644
--- a/modules/tracking/src/roiSelector.cpp
+++ b/modules/tracking/src/roiSelector.cpp
@@ -107,8 +107,10 @@ namespace cv {
     // select the object
     setMouseCallback( windowName, mouseHandler, (void *)&selectorParams );
 
+    // extract lower 8 bits for scancode comparison
+    unsigned int key_ = key & 0xFF;
     // end selection process on SPACE (32) ESC (27) or ENTER (13)
-    while(!(key==32 || key==27 || key==13)){
+    while(!(key_==32 || key_==27 || key_==13)){
       // draw the selected object
       rectangle(
         selectorParams.image,