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//
// libavg - Media Playback Engine.
// Copyright (C) 2003-2014 Ulrich von Zadow
//
// This library 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 2 of the License, or (at your option) any later version.
//
// This library 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 this library; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
//
// Current versions can be found at www.libavg.de
//
#ifndef _Display_H_
#define _Display_H_
#include "../api.h"
#include "../avgconfigwrapper.h"
#include "../base/GLMHelper.h"
#include <boost/shared_ptr.hpp>
namespace avg {
class Display;
typedef boost::shared_ptr<Display> DisplayPtr;
class AVG_API Display
{
public:
static DisplayPtr get();
static bool isInitialized();
virtual ~Display();
void init();
void rereadScreenResolution();
IntPoint getScreenResolution();
float getPixelsPerMM();
void assumePixelsPerMM(float ppmm);
glm::vec2 getPhysicalScreenDimensions();
float getRefreshRate();
protected:
Display();
virtual float queryPPMM()=0;
virtual IntPoint queryScreenResolution();
virtual float queryRefreshRate()=0;
private:
IntPoint m_ScreenResolution;
float m_PPMM;
bool m_bAutoPPMM; // true if assumePixelsPerMM hasn't been called.
float m_RefreshRate;
static DisplayPtr s_pInstance;
};
}
#endif
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