PDF4QT/Pdf4QtLib/sources/pdfpainterutils.h

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// Copyright (C) 2020 Jakub Melka
//
// This file is part of Pdf4Qt.
//
// Pdf4Qt 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 3 of the License, or
// (at your option) any later version.
//
// Pdf4Qt 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 Pdf4Qt. If not, see <https://www.gnu.org/licenses/>.
#ifndef PDFPAINTERUTILS_H
#define PDFPAINTERUTILS_H
#include <QPainter>
namespace pdf
{
/// RAII wrapper for painter save/restore
class PDFPainterStateGuard
{
public:
explicit inline PDFPainterStateGuard(QPainter* painter) :
m_painter(painter)
{
m_painter->save();
}
inline ~PDFPainterStateGuard()
{
m_painter->restore();
}
private:
QPainter* m_painter;
};
} // namespace pdf
#endif // PDFPAINTERUTILS_H