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-rw-r--r--include/vcl/outdev/ScopedStates.hxx41
1 files changed, 41 insertions, 0 deletions
diff --git a/include/vcl/outdev/ScopedStates.hxx b/include/vcl/outdev/ScopedStates.hxx
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+++ b/include/vcl/outdev/ScopedStates.hxx
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+/* -*- 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: */