cxVideoSourceSHM.h

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/*=========================================================================
This file is part of CustusX, an Image Guided Therapy Application.
                 
Copyright (c) SINTEF Department of Medical Technology.
All rights reserved.
                 
CustusX is released under a BSD 3-Clause license.
                 
See Lisence.txt (https://github.com/SINTEFMedtek/CustusX/blob/master/License.txt) for details.
=========================================================================*/


/*
 * sscVideoSourceSHM.h
 *
 *  Created on: Oct 10, 2011
 *      Author: franka
 */

#ifndef CXVIDEOSOURCESHM_H_
#define CXVIDEOSOURCESHM_H_

#include "cxResourceExport.h"

#include <map>
#include <stdint.h>

#include <boost/shared_ptr.hpp>

#include "vtkSmartPointer.h"

#include <QObject>
#include <QDateTime>

#include "cxVideoSource.h"
#include "cxSharedMemory.h"

typedef vtkSmartPointer<class vtkImageImport> vtkImageImportPtr;

// Forward declaration
class QTimer;

namespace cx
{

class cxResource_EXPORT VideoSourceSHM : public VideoSource
{
        Q_OBJECT

public:

        VideoSourceSHM(int width = 0, int height = 0, int depth = 24);
        virtual ~VideoSourceSHM();

        int width() const { return mImageWidth; }
        int height() const { return mImageHeight; }
        int depth() const { return mImageColorDepth; }

        virtual QString getUid();
        virtual QString getName();
        virtual vtkImageDataPtr getVtkImageData();
        virtual double getTimestamp();

        virtual QString getInfoString() const;
        virtual QString getStatusString() const;

        virtual void start();
        virtual void stop();

        virtual bool validData() const;
        virtual bool isConnected() const;
        virtual bool isStreaming() const;

        void connectServer(const QString& key);
        void disconnectServer();
        virtual void setResolution(double resolution);

protected:
        void update();

protected:
        int                     mImageWidth;
        int                     mImageHeight;
        int                     mImageColorDepth;

private:

        SharedMemoryClient mSource;

        vtkImageDataPtr mImageData;
        vtkImageImportPtr mImageImport;

        double mTimeStamp;

        bool mConnected;
        bool mStreaming;
        bool mImportInitialized;
        bool mStartWhenConnected;

        QTimer* mPollTimer;

private slots:

        void serverPollSlot();
};

typedef boost::shared_ptr<VideoSourceSHM> VideoSourceSHMPtr;

} // namespace cx

#endif /* CXVIDEOSOURCESHM_H_ */