1 files changed, 41 insertions, 0 deletions
diff --git a/include/vcl/outdev/ScopedStates.hxx b/include/vcl/outdev/ScopedStates.hxx
new file mode 100644
index 000000000..b64167587
--- /dev/null
+++ b/include/vcl/outdev/ScopedStates.hxx
@@ -0,0 +1,41 @@
+/* -*- 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/.
+ *
+ */
+
+#ifndef INCLUDED_VCL_SCOPEDSTATES_HXX
+#define INCLUDED_VCL_SCOPEDSTATES_HXX
+
+#include <vcl/outdev.hxx>
+
+namespace vcl
+{
+class ScopedAntialiasing
+{
+private:
+    OutputDevice& m_rOutputDevice;
+    AntialiasingFlags m_nPreviousAAState;
+
+public:
+    ScopedAntialiasing(OutputDevice& rOutputDevice, bool bAAState)
+        : m_rOutputDevice(rOutputDevice)
+        , m_nPreviousAAState(m_rOutputDevice.GetAntialiasing())
+    {
+        if (bAAState)
+            rOutputDevice.SetAntialiasing(m_nPreviousAAState | AntialiasingFlags::EnableB2dDraw);
+        else
+            rOutputDevice.SetAntialiasing(m_nPreviousAAState & ~AntialiasingFlags::EnableB2dDraw);
+    }
+
+    ~ScopedAntialiasing() { m_rOutputDevice.SetAntialiasing(m_nPreviousAAState); }
+};
+}
+
+#endif // INCLUDED_VCL_SCOPEDSTATES_HXX
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */