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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 _TrackerInputDevice_H_
+#define _TrackerInputDevice_H_
+
+#include "../api.h"
+#include "CursorEvent.h"
+#include "IInputDevice.h"
+#include "TrackerCalibrator.h"
+
+#include "../imaging/TrackerThread.h"
+#include "../imaging/Blob.h"
+
+#include "../graphics/Bitmap.h"
+#include "../graphics/Filter.h"
+
+#include "../base/Rect.h"
+
+#include <string>
+#include <map>
+#include <list>
+#include <vector>
+#include <utility>
+
+namespace avg {
+
+class TrackerTouchStatus;
+typedef boost::shared_ptr<TrackerTouchStatus> TrackerTouchStatusPtr;
+
+class AVG_API TrackerInputDevice: public IBlobTarget, public IInputDevice
+{
+ typedef std::map<BlobPtr, TrackerTouchStatusPtr> TouchStatusMap;
+
+ public:
+ TrackerInputDevice();
+ virtual ~TrackerInputDevice();
+ void start();
+
+ void setParam(const std::string& sElement, const std::string& sValue);
+ std::string getParam(const std::string& sElement);
+
+ void resetHistory();
+ void setDebugImages(bool bImg, bool bFinger);
+ void saveConfig();
+ Bitmap * getImage(TrackerImageID imageID) const;
+ glm::vec2 getDisplayROIPos() const;
+ glm::vec2 getDisplayROISize() const;
+
+ std::vector<EventPtr> pollEvents(); //main thread
+
+ // implement IBlobTarget
+ // Called from Tracker Thread!
+ virtual void update(BlobVectorPtr pTrackBlobs, BlobVectorPtr pTouchBlobs,
+ long long time);
+
+ TrackerCalibrator* startCalibration();
+ void endCalibration();
+ void abortCalibration();
+
+ private:
+ void setConfig();
+ void createBitmaps(const IntRect& area);
+
+ boost::thread* m_pTrackerThread;
+
+ // Used by main thread
+ void pollEventType(std::vector<EventPtr>& res, TouchStatusMap& events,
+ CursorEvent::Source source);
+ void copyRelatedInfo(std::vector<EventPtr> pTouchEvents,
+ std::vector<EventPtr> pTrackEvents);
+ void findFingertips(std::vector<EventPtr>& pTouchEvents);
+
+ IntRect m_InitialROI;
+ CameraPtr m_pCamera;
+ bool m_bSubtractHistory;
+ DeDistortPtr m_pDeDistort;
+ DeDistortPtr m_pOldTransformer;
+ IntPoint m_ActiveDisplaySize;
+ FRect m_DisplayROI;
+ FRect m_OldDisplayROI;
+ TrackerCalibrator * m_pCalibrator;
+ bool m_bFindFingertips;
+
+ // Used by tracker thread
+ void trackBlobIDs(BlobVectorPtr new_blobs, long long time, bool bTouch);
+
+ // Used by both threads
+ TouchStatusMap m_TouchEvents;
+ TouchStatusMap m_TrackEvents;
+ TrackerConfig m_TrackerConfig;
+
+ MutexPtr m_pMutex;
+ BitmapPtr m_pBitmaps[NUM_TRACKER_IMAGES];
+
+ TrackerThread::CQueuePtr m_pCmdQueue;
+};
+
+typedef boost::shared_ptr<TrackerInputDevice> TrackerInputDevicePtr;
+
+}
+
+#endif
+