1 files changed, 29 insertions, 0 deletions
diff --git a/vcl/inc/qt5/QtGraphicsBase.hxx b/vcl/inc/qt5/QtGraphicsBase.hxx
new file mode 100644
index 000000000..73c39fb5b
--- /dev/null
+++ b/vcl/inc/qt5/QtGraphicsBase.hxx
@@ -0,0 +1,29 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ */
+
+#pragma once
+
+#include <QtWidgets/QApplication>
+
+class QtGraphicsBase
+{
+    qreal m_fDPR;
+
+public:
+    QtGraphicsBase()
+        : m_fDPR(qApp ? qApp->devicePixelRatio() : 1.0)
+    {
+    }
+
+    void setDevicePixelRatioF(qreal fDPR) { m_fDPR = fDPR; }
+
+    qreal devicePixelRatioF() const { return m_fDPR; }
+};
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */