diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -22,6 +22,7 @@
     widgets/ksaneoptionwidget.cpp
     ksaneviewer.cpp
     selectionitem.cpp
+    hiderectitem.cpp
     ksanedevicedialog.cpp
     ksanefinddevicesthread.cpp
     ksanewidget.cpp
diff --git a/src/hiderectitem.h b/src/hiderectitem.h
new file mode 100644
--- /dev/null
+++ b/src/hiderectitem.h
@@ -0,0 +1,43 @@
+/* ============================================================
+*
+* This file is part of the KDE project
+*
+* Description: QGraphicsItem for hiding rects in the image viewer.
+*
+* Copyright (C) 2019 by Alexander Volkov <a.volkov@rusbitech.ru>
+*
+* This library is free software; you can redistribute it and/or
+* modify it under the terms of the GNU Lesser General Public
+* License as published by the Free Software Foundation; either
+* version 2.1 of the License, or (at your option) version 3, or any
+* later version accepted by the membership of KDE e.V. (or its
+* successor approved by the membership of KDE e.V.), which shall
+* act as a proxy defined in Section 6 of version 3 of the license.
+*
+* This library is distributed in the hope that it will be useful,
+* but WITHOUT ANY WARRANTY; without even the implied warranty of
+* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+* Lesser General Public License for more details.
+*
+* You should have received a copy of the GNU Lesser General Public
+* License along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*
+* ============================================================ */
+
+#ifndef HIDERECTITEM_H
+#define HIDERECTITEM_H
+
+#include <QGraphicsRectItem>
+
+namespace KSaneIface
+{
+
+class HideRectItem : public QGraphicsRectItem
+{
+public:
+    HideRectItem();
+};
+
+}  // NameSpace KSaneIface
+
+#endif // HIDERECTITEM_H
diff --git a/src/hiderectitem.cpp b/src/hiderectitem.cpp
new file mode 100644
--- /dev/null
+++ b/src/hiderectitem.cpp
@@ -0,0 +1,41 @@
+/* ============================================================
+*
+* This file is part of the KDE project
+*
+* Description: QGraphicsItem for hiding rects in the image viewer.
+*
+* Copyright (C) 2019 by Alexander Volkov <a.volkov@rusbitech.ru>
+*
+* This library is free software; you can redistribute it and/or
+* modify it under the terms of the GNU Lesser General Public
+* License as published by the Free Software Foundation; either
+* version 2.1 of the License, or (at your option) version 3, or any
+* later version accepted by the membership of KDE e.V. (or its
+* successor approved by the membership of KDE e.V.), which shall
+* act as a proxy defined in Section 6 of version 3 of the license.
+*
+* This library is distributed in the hope that it will be useful,
+* but WITHOUT ANY WARRANTY; without even the implied warranty of
+* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+* Lesser General Public License for more details.
+*
+* You should have received a copy of the GNU Lesser General Public
+* License along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*
+* ============================================================ */
+
+#include "hiderectitem.h"
+
+#include <QPen>
+
+namespace KSaneIface
+{
+
+HideRectItem::HideRectItem()
+{
+    setOpacity(0.4);
+    setPen(Qt::NoPen);
+    setBrush(Qt::black);
+}
+
+}  // NameSpace KSaneIface
diff --git a/src/ksaneviewer.cpp b/src/ksaneviewer.cpp
--- a/src/ksaneviewer.cpp
+++ b/src/ksaneviewer.cpp
@@ -29,6 +29,7 @@
 #include "ksaneviewer.h"
 
 #include "selectionitem.h"
+#include "hiderectitem.h"
 
 #include <QGraphicsPixmapItem>
 #include <QGraphicsScene>
@@ -65,11 +66,11 @@
     QAction *zoom2FitAction;
     QAction *clrSelAction;
 
-    QGraphicsRectItem *hideLeft;
-    QGraphicsRectItem *hideRight;
-    QGraphicsRectItem *hideTop;
-    QGraphicsRectItem *hideBottom;
-    QGraphicsRectItem *hideArea;
+    HideRectItem *hideLeft;
+    HideRectItem *hideRight;
+    HideRectItem *hideTop;
+    HideRectItem *hideBottom;
+    HideRectItem *hideArea;
 
     int wheelDelta = 0;
 };
@@ -95,29 +96,13 @@
     d->selection->setRect(d->scene->sceneRect());
     d->selection->setVisible(false);
 
-    d->hideTop = new QGraphicsRectItem;
-    d->hideBottom = new QGraphicsRectItem;
-    d->hideRight = new QGraphicsRectItem;
-    d->hideLeft = new QGraphicsRectItem;
-    d->hideArea = new QGraphicsRectItem;
-
-    d->hideTop->setOpacity(0.4);
-    d->hideBottom->setOpacity(0.4);
-    d->hideRight->setOpacity(0.4);
-    d->hideLeft->setOpacity(0.4);
+    d->hideTop = new HideRectItem;
+    d->hideBottom = new HideRectItem;
+    d->hideRight = new HideRectItem;
+    d->hideLeft = new HideRectItem;
+    d->hideArea = new HideRectItem;
     d->hideArea->setOpacity(0.6);
 
-    d->hideTop->setPen(Qt::NoPen);
-    d->hideBottom->setPen(Qt::NoPen);
-    d->hideRight->setPen(Qt::NoPen);
-    d->hideLeft->setPen(Qt::NoPen);
-    d->hideArea->setPen(Qt::NoPen);
-
-    d->hideTop->setBrush(QBrush(Qt::black));
-    d->hideBottom->setBrush(QBrush(Qt::black));
-    d->hideRight->setBrush(QBrush(Qt::black));
-    d->hideLeft->setBrush(QBrush(Qt::black));
-
     d->scene->addItem(d->selection);
     d->scene->addItem(d->hideLeft);
     d->scene->addItem(d->hideRight);