frameratePlotSeries.h

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/****************************************************************************
 * Copyright (c) 2013 VT MAK
 * All rights reserved.
 ****************************************************************************/


#pragma once

#include <namespace.h>

#include <vlutil/vlMachineTypes.h>

#include <qwt_plot_curve.h>

#include <QtGui/QPolygonF>

namespace MAKVrExchange
{

   class DtFrameratePlot;

   class DT_DLL_LIBPORTALAPP DtFrameratePlotSeries : public QwtPlotCurve
   {
   public:

      DtFrameratePlotSeries( DtFrameratePlot* plot,
         unsigned int seriesId, const QString& title );

      virtual ~DtFrameratePlotSeries();

      virtual void initStorageBuffer( unsigned int size );

      virtual void reinitStorageBuffer( unsigned int size );

      virtual void updateLegend( QwtLegend* legend ) const;

      virtual void setData( double* timeVals, double* dataVals, unsigned int numVals );

      virtual void setOnlyVisibleMinMax( bool enable );

      virtual bool onlyVisibleMinMax() const;

      virtual void setLazyMinMaxEnabled( bool enabled );

      virtual bool lazyMinMaxEnabled() const;

      virtual double minYValue() const;

      virtual double maxYValue() const;

      virtual double lastPlottedTime() const;

      virtual void clear();

      virtual void setPenStyle( Qt::PenStyle style );

      virtual void setPenColor( const QColor& color );

      virtual void setEnabled( bool state );

      virtual unsigned int seriesId() const;

   protected:

      // Befriend the framerate plot.
      friend class DtFrameratePlot;

      virtual void addDataPoint( double time, double val );

      virtual void computeMinMaxValues() const;

   protected:

      unsigned int mySeriesId;
      bool myEnabledFlag;

      bool myOnlyVisibleMinMaxFlag;
      bool myEnableLazyMinMaxFlag;
      mutable bool myDirtyMinMaxFlag;
      mutable double myMin;
      mutable double myMax;

      unsigned int myMaxDataPoints;
      unsigned int myNumVals;
      double* myTimeVals;
      double* myDataVals;

      DtFrameratePlot* myPlot;

   };

}