cxBasicVideoSource.h

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/*=========================================================================
This file is part of CustusX, an Image Guided Therapy Application.

Copyright (c) 2008-2014, SINTEF Department of Medical Technology
All rights reserved.

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modification, are permitted provided that the following conditions are met:

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   this list of conditions and the following disclaimer.

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   this list of conditions and the following disclaimer in the documentation 
   and/or other materials provided with the distribution.

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   may be used to endorse or promote products derived from this software 
   without specific prior written permission.

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 
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#ifndef CXBASICVIDEOSOURCE_H
#define CXBASICVIDEOSOURCE_H

#include "cxResourceExport.h"

#include "vtkSmartPointer.h"
#include <stdint.h>
#include <boost/shared_ptr.hpp>
#include <QObject>
#include <QDateTime>
#include <boost/array.hpp>
class QTimer;

#include "cxVideoSource.h"
#include "cxForwardDeclarations.h"

typedef vtkSmartPointer<class vtkImageData> vtkImageDataPtr;
typedef vtkSmartPointer<class vtkImageChangeInformation> vtkImageChangeInformationPtr;

namespace cx
{

class cxResource_EXPORT BasicVideoSource : public VideoSource
{
        Q_OBJECT

public:
        explicit BasicVideoSource(QString uid = "<none>");
        virtual ~BasicVideoSource();

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

        virtual QString getInfoString() const { return mInfo; }
        virtual QString getStatusString() const;

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

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

        virtual void setResolution(double resolution);

        // extensions:
        void setInput(ImagePtr input);
        void setInfoString(QString text) { mInfo = text; }
        void setStatusString(QString text) { mStatus = text; }
        void deconfigure() { this->setInput(ImagePtr()); }
        void overrideTimeout(bool timeout);

private slots:
        void timeout();
private:
        bool mStreaming;
        QString mInfo;
        QString mStatus;

        ImagePtr mEmptyImage;
        ImagePtr mReceivedImage;
        vtkImageChangeInformationPtr mRedirecter;
        bool mTimeout;
        QTimer* mTimeoutTimer;
};

typedef boost::shared_ptr<BasicVideoSource> BasicVideoSourcePtr;

} // namespace cx

#endif // CXBASICVIDEOSOURCE_H