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-rw-r--r--src/gui/kernel/qmacgesturerecognizer_mac.mm2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/gui/kernel/qmacgesturerecognizer_mac.mm b/src/gui/kernel/qmacgesturerecognizer_mac.mm
index d842322..f142d71 100644
--- a/src/gui/kernel/qmacgesturerecognizer_mac.mm
+++ b/src/gui/kernel/qmacgesturerecognizer_mac.mm
@@ -120,7 +120,7 @@ QMacPinchGestureRecognizer::recognize(QGesture *gesture, QObject *obj, QEvent *e
case QNativeGestureEvent::Zoom:
g->setLastScaleFactor(g->scaleFactor());
g->setLastRotationAngle(g->rotationAngle());
- g->setScaleFactor(g->scaleFactor() + ev->percentage);
+ g->setScaleFactor(g->scaleFactor() * (1 + ev->percentage));
g->setChangeFlags(QPinchGesture::ScaleFactorChanged);
g->setTotalChangeFlags(g->totalChangeFlags() | g->changeFlags());
return QGestureRecognizer::TriggerGesture | QGestureRecognizer::ConsumeEventHint;