From cc17400849cf1456b3509a20bb8283478671cf2a Mon Sep 17 00:00:00 2001
From: saskatchewancatch <saskatchewancatch@gmail.com>
Date: Tue, 29 Aug 2017 00:16:02 -0600
Subject: [PATCH]  i9403: Removing checks from trackbar min/max set functions.

Removing unnecessary range checks for QT backend support's setTrackbarMin and setTrackbarMax fucntions

Fixes
---
 modules/highgui/src/window_QT.cpp | 22 ++++++----------------
 1 file changed, 6 insertions(+), 16 deletions(-)

diff --git a/modules/highgui/src/window_QT.cpp b/modules/highgui/src/window_QT.cpp
index 1233993e0a..28c50f8819 100644
--- a/modules/highgui/src/window_QT.cpp
+++ b/modules/highgui/src/window_QT.cpp
@@ -673,30 +673,20 @@ CV_IMPL void cvSetTrackbarPos(const char* name_bar, const char* window_name, int
 
 CV_IMPL void cvSetTrackbarMax(const char* name_bar, const char* window_name, int maxval)
 {
-    if (maxval >= 0)
+    QPointer<CvTrackbar> t = icvFindTrackBarByName(name_bar, window_name);
+    if (t)
     {
-        QPointer<CvTrackbar> t = icvFindTrackBarByName(name_bar, window_name);
-        if (t)
-        {
-            int minval = t->slider->minimum();
-            maxval = (maxval>minval)?maxval:minval;
-            t->slider->setMaximum(maxval);
-        }
+        t->slider->setMaximum(maxval);
     }
 }
 
 
 CV_IMPL void cvSetTrackbarMin(const char* name_bar, const char* window_name, int minval)
 {
-    if (minval >= 0)
+    QPointer<CvTrackbar> t = icvFindTrackBarByName(name_bar, window_name);
+    if (t)
     {
-        QPointer<CvTrackbar> t = icvFindTrackBarByName(name_bar, window_name);
-        if (t)
-        {
-            int maxval = t->slider->maximum();
-            minval = (maxval<minval)?maxval:minval;
-            t->slider->setMinimum(minval);
-        }
+        t->slider->setMinimum(minval);
     }
 }