/*M///////////////////////////////////////////////////////////////////////////////////////
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// Copyright (C) 2013, Alfonso Sanchez-Beato, all rights reserved.
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#ifndef MAPPERPYRAMID_H_
#define MAPPERPYRAMID_H_

#include "mapper.hpp"
#include "mapaffine.hpp"
#include "mapprojec.hpp"
#include "mapshift.hpp"

namespace cv {
namespace reg {

//! @addtogroup reg
//! @{

/*!
 * Calculates a map using a gaussian pyramid
 */
class CV_EXPORTS_W MapperPyramid: public Mapper
{
public:
    /*
     * Constructor
     * \param[in] baseMapper Base mapper used for the refinements
     */
    CV_WRAP MapperPyramid(Ptr<Mapper> baseMapper);

    CV_WRAP virtual cv::Ptr<Map> calculate(InputArray img1, InputArray img2, cv::Ptr<Map> init = cv::Ptr<Map>()) const;

    CV_WRAP cv::Ptr<Map> getMap() const;

    CV_PROP_RW int numLev_;           /*!< Number of levels of the pyramid */
    CV_PROP_RW int numIterPerScale_;  /*!< Number of iterations at a given scale of the pyramid */

private:
    MapperPyramid& operator=(const MapperPyramid&);
    const Mapper& baseMapper_;  /*!< Mapper used in inner level */
};

/*!
 * Converts a pointer to a Map returned by MapperPyramid::calculate into the specified Map pointer type
 */
class CV_EXPORTS_W MapTypeCaster
{
public:
    CV_WRAP static Ptr<MapAffine> toAffine(Ptr<Map> sourceMap)
    {
        MapAffine& affineMap = dynamic_cast<MapAffine&>(*sourceMap);
        return Ptr<MapAffine>(new MapAffine(affineMap));
    }

    CV_WRAP static Ptr<MapShift> toShift(Ptr<Map> sourceMap)
    {
        MapShift& shiftMap = dynamic_cast<MapShift&>(*sourceMap);
        return Ptr<MapShift>(new MapShift(shiftMap));
    }

    CV_WRAP static Ptr<MapProjec> toProjec(Ptr<Map> sourceMap)
    {
        MapProjec& projecMap = dynamic_cast<MapProjec&>(*sourceMap);
        return Ptr<MapProjec>(new MapProjec(projecMap));
    }
};

//! @}

}}  // namespace cv::reg

#endif  // MAPPERPYRAMID_H_
