src/positionsprovider.h

/***************************************************************************
                          positionsprovider.h  -  description
                             -------------------
    begin                : Tue Jul 20 2004
    copyright            : (C) 2004 by Lynn Hazan
    email                : lynn.hazan.myrealbox.com
 ***************************************************************************/

/***************************************************************************
 *                                                                         *
 *   This program is free software; you can redistribute it and/or modify  *
 *   it under the terms of the GNU General Public License as published by  *
 *   the Free Software Foundation; either version 2 of the License, or     *
 *   (at your option) any later version.                                   *
 *                                                                         *
 ***************************************************************************/

#ifndef POSITIONSPROVIDER_H
#define POSITIONSPROVIDER_H

//include files for the application
#include <dataprovider.h>
#include <array.h>
#include <types.h>

// include files for QT
#include <qwidget.h>

//include files for c/c++ libraries
#include <math.h>

class PositionsProvider : public DataProvider  {
   Q_OBJECT
public: 
  PositionsProvider(KURL fileUrl,double samplingRate,int width,int height,int rotation,int flip);
  
  ~PositionsProvider();

  enum loadReturnMessage {OK=0,OPEN_ERROR=1,MISSING_FILE=3,COUNT_ERROR=4,INCORRECT_CONTENT=5};
    
  void requestData(long startTime,long endTime,QObject* initiator);

  
  void retrieveAllData(QObject* initiator); 
  
  int loadData();

  inline QString getName() const {return name;}

  inline QString getFilePath() const {return fileName;}
  
  inline void updateVideoInformation(double videoSamplingRate,int rotation,int flip,int videoWidth,int videoHeight){
    samplingRate = videoSamplingRate;
    width = videoWidth;
    height= videoHeight;
    this->flip = flip;
    this->rotation = rotation;
  };

  inline int getNbSpots()const {return nbCoordinates / 2;};
  
  inline double getSamplingRate() const {return samplingRate;};
  
signals:
  void dataReady(Array<dataType>& data,QObject* initiator);


private:

  QString name;

  double samplingRate;
  
  /* n column array containing the position of the animal. The two first columns contain
  * the position of the first spot and following optional pair of columns two contain the position of optional spots.*/
  Array<dataType> positions;

  long previousStartTime;

  long previousEndTime;

  long previousStartIndex;

  long previousEndIndex;

  long nbPositions;

  long fileMaxTime;

  int width;
  int height;

  int nbCoordinates;

  int rotation;

  int flip;

  //Functions

  void retrieveData(long startTime,long endTime,QObject* initiator);
  
};

#endif

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