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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 _MultitouchInputDevice_H_
#define _MultitouchInputDevice_H_
#include "../api.h"
#include "IInputDevice.h"
#include "../base/GLMHelper.h"
#include "../base/ConfigMgr.h"
#include <boost/thread.hpp>
#include <map>
#include <set>
typedef boost::shared_ptr<boost::mutex> MutexPtr;
namespace avg {
class TouchStatus;
typedef boost::shared_ptr<class TouchStatus> TouchStatusPtr;
class TouchEvent;
typedef boost::shared_ptr<class TouchEvent> TouchEventPtr;
class Event;
typedef boost::shared_ptr<Event> EventPtr;
class AVG_API MultitouchInputDevice: public IInputDevice
{
public:
MultitouchInputDevice();
virtual ~MultitouchInputDevice() = 0;
virtual void start();
std::vector<EventPtr> pollEvents();
protected:
int getNumTouches() const;
// Note that the id used here is not the libavg cursor id but a touch-driver-specific
// id handed up from the driver level.
TouchStatusPtr getTouchStatus(int id);
void addTouchStatus(int id, TouchEventPtr pInitialEvent);
void removeTouchStatus(int id);
void getDeadIDs(const std::set<int>& liveIDs, std::set<int>& deadIDs);
glm::vec2 getTouchArea() const;
IntPoint getScreenPos(const glm::vec2& pos) const;
boost::mutex& getMutex();
private:
std::map<int, TouchStatusPtr> m_TouchIDMap;
std::vector<TouchStatusPtr> m_Touches;
MutexPtr m_pMutex;
glm::vec2 m_TouchArea;
glm::vec2 m_TouchOffset;
};
typedef boost::shared_ptr<MultitouchInputDevice> MultitouchInputDevicePtr;
}
#endif
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