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#pragma once

#ifndef __OPENCV_CUDEV_EXPR_WARPING_HPP__
#define __OPENCV_CUDEV_EXPR_WARPING_HPP__

#include "../common.hpp"
#include "../ptr2d/traits.hpp"
#include "../ptr2d/resize.hpp"
#include "../ptr2d/remap.hpp"
#include "../ptr2d/warping.hpp"
#include "../grid/pyramids.hpp"
#include "../grid/transpose.hpp"
#include "expr.hpp"

namespace cv { namespace cudev {

//! @addtogroup cudev
//! @{

// resize

template <class SrcPtr>
__host__ Expr<ResizePtrSz<typename PtrTraits<SrcPtr>::ptr_type> >
resize_(const SrcPtr& src, float fx, float fy)
{
    return makeExpr(resizePtr(src, fx, fy));
}

// remap

template <class SrcPtr, class MapPtr>
__host__ Expr<RemapPtr1Sz<typename PtrTraits<SrcPtr>::ptr_type, typename PtrTraits<MapPtr>::ptr_type> >
remap_(const SrcPtr& src, const MapPtr& map)
{
    return makeExpr(remapPtr(src, map));
}

template <class SrcPtr, class MapXPtr, class MapYPtr>
__host__ Expr<RemapPtr2Sz<typename PtrTraits<SrcPtr>::ptr_type, typename PtrTraits<MapXPtr>::ptr_type, typename PtrTraits<MapYPtr>::ptr_type> >
remap_(const SrcPtr& src, const MapXPtr& mapx, const MapYPtr& mapy)
{
    return makeExpr(remapPtr(src, mapx, mapy));
}

// warpAffine

template <class SrcPtr>
__host__ Expr<RemapPtr1Sz<typename PtrTraits<SrcPtr>::ptr_type, AffineMapPtr> >
warpAffine_(const SrcPtr& src, Size dstSize, const GpuMat_<float>& warpMat)
{
    return makeExpr(warpAffinePtr(src, dstSize, warpMat));
}

// warpPerspective

template <class SrcPtr>
__host__ Expr<RemapPtr1Sz<typename PtrTraits<SrcPtr>::ptr_type, PerspectiveMapPtr> >
warpPerspective_(const SrcPtr& src, Size dstSize, const GpuMat_<float>& warpMat)
{
    return makeExpr(warpPerspectivePtr(src, dstSize, warpMat));
}

// pyrDown

template <class SrcPtr> struct PyrDownBody
{
    SrcPtr src;

    template <typename T>
    __host__ void assignTo(GpuMat_<T>& dst, Stream& stream = Stream::Null()) const
    {
        gridPyrDown(src, dst, stream);
    }
};

template <class SrcPtr>
__host__ Expr<PyrDownBody<SrcPtr> >
pyrDown_(const SrcPtr& src)
{
    PyrDownBody<SrcPtr> body;
    body.src = src;
    return makeExpr(body);
}

// pyrUp

template <class SrcPtr> struct PyrUpBody
{
    SrcPtr src;

    template <typename T>
    __host__ void assignTo(GpuMat_<T>& dst, Stream& stream = Stream::Null()) const
    {
        gridPyrUp(src, dst, stream);
    }
};

template <class SrcPtr>
__host__ Expr<PyrUpBody<SrcPtr> >
pyrUp_(const SrcPtr& src)
{
    PyrUpBody<SrcPtr> body;
    body.src = src;
    return makeExpr(body);
}

// transpose

template <class SrcPtr> struct TransposeBody
{
    SrcPtr src;

    template <typename T>
    __host__ void assignTo(GpuMat_<T>& dst, Stream& stream = Stream::Null()) const
    {
        gridTranspose(src, dst, stream);
    }
};

template <class SrcPtr>
__host__ Expr<TransposeBody<SrcPtr> >
transpose_(const SrcPtr& src)
{
    TransposeBody<SrcPtr> body;
    body.src = src;
    return makeExpr(body);
}

//! @}

}}

#endif