cxToolTracer.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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   this list of conditions and the following disclaimer.

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

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#ifndef CXTOOLTRACER_H_
#define CXTOOLTRACER_H_

#include "cxResourceVisualizationExport.h"

#include <QObject>
#include <QSize>
#include "vtkSmartPointer.h"
typedef vtkSmartPointer<class vtkImageData> vtkImageDataPtr;
typedef vtkSmartPointer<class vtkPolyData> vtkPolyDataPtr;
#include "cxTransform3D.h"

#include <boost/shared_ptr.hpp>
#include "vtkForwardDeclarations.h"
#include "cxForwardDeclarations.h"
#include "cxTool.h"

class QColor;

namespace cx
{

typedef boost::shared_ptr<class ToolTracer> ToolTracerPtr;
typedef boost::shared_ptr<class SpaceProvider> SpaceProviderPtr;
typedef boost::shared_ptr<class SpaceListener> SpaceListenerPtr;

class cxResourceVisualization_EXPORT ToolTracer : public QObject
{
        Q_OBJECT
public:
        static ToolTracerPtr create(SpaceProviderPtr spaceProvider);
        void setTool(ToolPtr tool);
        vtkPolyDataPtr getPolyData();
        vtkActorPtr getActor();

        void setColor(QColor color);

        void start(); // start path tracking
        void stop(); // stop tracking
        void clear(); // erase stored tracking data.
        bool isRunning() const; // true if started and not stopped.
        void setMinDistance(double distance) { mMinDistance = distance; }
        int getSkippedPoints() { return mSkippedPoints; }
        void addManyPositions(TimedTransformMap trackerRecordedData_prMt);

private slots:
        void receiveTransforms(Transform3D prMt, double timestamp);
private:
        ToolTracer(SpaceProviderPtr spaceProvider);
        void connectTool();
        void disconnectTool();
        void onSpaceChanged();

        bool mRunning;
        vtkPolyDataPtr mPolyData; 
        vtkActorPtr mActor;
        ToolPtr mTool;
        vtkPolyDataMapperPtr mPolyDataMapper;
        vtkPropertyPtr mProperty;

        vtkPointsPtr mPoints;
        vtkCellArrayPtr mLines;

        bool mFirstPoint;
        int mSkippedPoints;
        Vector3D mPreviousPoint;
        double mMinDistance;

        SpaceProviderPtr mSpaceProvider;
        SpaceListenerPtr mSpaceListener;
};

} // namespace cx

#endif /*CXTOOLTRACER_H_*/