Fixed wheel zoom with QT (ticket #733)

96503991 · Ilya Lysenkov · 117ff43c · 96503991
Commit 96503991 authored Jun 15, 2011 by Ilya Lysenkov
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window_QT.cpp modules/highgui/src/window_QT.cpp +1 -1

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--- a/modules/highgui/src/window_QT.cpp
+++ b/modules/highgui/src/window_QT.cpp
@@ -2511,7 +2511,7 @@ void ViewPort::scaleView(qreal factor,QPointF center)
 void ViewPort::wheelEvent(QWheelEvent *event)
 {
-	scaleView( -event->delta() / 240.0,event->pos());
+	scaleView( event->delta() / 240.0,event->pos());
 	viewport()->update();
 }