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Diffstat (limited to 'include/vcl/outdev/ScopedStates.hxx')
-rw-r--r-- | include/vcl/outdev/ScopedStates.hxx | 41 |
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 0000000000..7542cfeed5 --- /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::Enable); + else + rOutputDevice.SetAntialiasing(m_nPreviousAAState & ~AntialiasingFlags::Enable); + } + + ~ScopedAntialiasing() { m_rOutputDevice.SetAntialiasing(m_nPreviousAAState); } +}; +} + +#endif // INCLUDED_VCL_SCOPEDSTATES_HXX + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |