.

GUI/View/Mask/MaskGraphicsScene.cpp

@@ -680,9 +680,9 @@ void MaskGraphicsScene::processPolygonItem(QGraphicsSceneMouseEvent* event)
         }
     }
 
-    QPointF click_pos = event->buttonDownScenePos(Qt::LeftButton);
-    double x = m_adaptor->fromSceneX(click_pos.x());
-    double y = m_adaptor->fromSceneY(click_pos.y());
+    const QPointF click_pos = event->buttonDownScenePos(Qt::LeftButton);
+    const double x = m_adaptor->fromSceneX(click_pos.x());
+    const double y = m_adaptor->fromSceneY(click_pos.y());
     dynamic_cast<PolygonItem*>(m_currentItem)->addPoint(x, y);
     updateScene();
 }