display_state_saver.h

/***************************************************************************
 *   Copyright (C) 2015 by Terraneo Federico                               *
 *                                                                         *
 *   This program is free software; you can redistribute it and/or modify  *
 *   it under the terms of the GNU General Public License as published by  *
 *   the Free Software Foundation; either version 2 of the License, or     *
 *   (at your option) any later version.                                   *
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 *   This program is distributed in the hope that it will be useful,       *
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 *   As a special exception, if other files instantiate templates or use   *
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#pragma once

#include <utility>
#include <display.h>

namespace mxgui {

class StateSaver
{
public:
    StateSaver(DrawingContext& dc) : dc(dc), savedFont(dc.getFont()), savedColor(dc.getTextColor())
    {}
    
    ~StateSaver()
    {
        dc.setFont(savedFont);
        dc.setTextColor(savedColor);
    }
private:
    DrawingContext& dc;
    Font savedFont;
    std::pair<Color,Color> savedColor;
};

} //namespace mxgui