/*M///////////////////////////////////////////////////////////////////////////////////////
 //
 //  IMPORTANT: READ BEFORE DOWNLOADING, COPYING, INSTALLING OR USING.
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 //  By downloading, copying, installing or using the software you agree to this license.
 //  If you do not agree to this license, do not download, install,
 //  copy or use the software.
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 //
 //                           License Agreement
 //                For Open Source Computer Vision Library
 //
 // Copyright (C) 2013, OpenCV Foundation, all rights reserved.
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 //
 // Redistribution and use in source and binary forms, with or without modification,
 // are permitted provided that the following conditions are met:
 //
 //   * Redistribution's of source code must retain the above copyright notice,
 //     this list of conditions and the following disclaimer.
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 //   * Redistribution's in binary form must reproduce the above copyright notice,
 //     this list of conditions and the following disclaimer in the documentation
 //     and/or other materials provided with the distribution.
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 //   * The name of the copyright holders may not be used to endorse or promote products
 //     derived from this software without specific prior written permission.
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 // This software is provided by the copyright holders and contributors "as is" and
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#include "precomp.hpp"

#undef BOILERPLATE_CODE
#define BOILERPLATE_CODE(name,classname)\
  if(trackerType==name){\
      return classname::createTracker();\
  }

namespace cv
{

/*
 *  Tracker
 */

Tracker::~Tracker()
{
}

bool Tracker::init( const Mat& image, const Rect2d& boundingBox )
{

  if( isInit )
  {
    return false;
  }

  if( image.empty() )
    return false;

  sampler = Ptr<TrackerSampler>( new TrackerSampler() );
  featureSet = Ptr<TrackerFeatureSet>( new TrackerFeatureSet() );
  model = Ptr<TrackerModel>();

  bool initTracker = initImpl( image, boundingBox );

  //check if the model component is initialized
  if( model == 0 )
  {
    CV_Error( -1, "The model is not initialized" );
    return false;
  }

  if( initTracker )
  {
    isInit = true;
  }

  return initTracker;
}

bool Tracker::update( const Mat& image, Rect2d& boundingBox )
{

  if( !isInit )
  {
    return false;
  }

  if( image.empty() )
    return false;

  return updateImpl( image, boundingBox );
}

Ptr<Tracker> Tracker::create( const String& trackerType )
{
  BOILERPLATE_CODE("MIL",TrackerMIL);
  BOILERPLATE_CODE("BOOSTING",TrackerBoosting);
  BOILERPLATE_CODE("MEDIANFLOW",TrackerMedianFlow);
  BOILERPLATE_CODE("TLD",TrackerTLD);
  BOILERPLATE_CODE("KCF",TrackerKCF);
  return Ptr<Tracker>();
}

} /* namespace cv */