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43
44#pragma once
45
46#ifndef __OPENCV_CUDEV_EXPR_WARPING_HPP__
47#define __OPENCV_CUDEV_EXPR_WARPING_HPP__
48
49#include "../common.hpp"
50#include "../ptr2d/traits.hpp"
51#include "../ptr2d/resize.hpp"
52#include "../ptr2d/remap.hpp"
53#include "../ptr2d/warping.hpp"
54#include "../grid/pyramids.hpp"
55#include "../grid/transpose.hpp"
56#include "expr.hpp"
57
58namespace cv { namespace cudev {
59
60//! @addtogroup cudev
61//! @{
62
63// resize
64
65template <class SrcPtr>
66__host__ Expr<ResizePtrSz<typename PtrTraits<SrcPtr>::ptr_type> >
67resize_(const SrcPtr& src, float fx, float fy)
68{
69    return makeExpr(resizePtr(src, fx, fy));
70}
71
72// remap
73
74template <class SrcPtr, class MapPtr>
75__host__ Expr<RemapPtr1Sz<typename PtrTraits<SrcPtr>::ptr_type, typename PtrTraits<MapPtr>::ptr_type> >
76remap_(const SrcPtr& src, const MapPtr& map)
77{
78    return makeExpr(remapPtr(src, map));
79}
80
81template <class SrcPtr, class MapXPtr, class MapYPtr>
82__host__ Expr<RemapPtr2Sz<typename PtrTraits<SrcPtr>::ptr_type, typename PtrTraits<MapXPtr>::ptr_type, typename PtrTraits<MapYPtr>::ptr_type> >
83remap_(const SrcPtr& src, const MapXPtr& mapx, const MapYPtr& mapy)
84{
85    return makeExpr(remapPtr(src, mapx, mapy));
86}
87
88// warpAffine
89
90template <class SrcPtr>
91__host__ Expr<RemapPtr1Sz<typename PtrTraits<SrcPtr>::ptr_type, AffineMapPtr> >
92warpAffine_(const SrcPtr& src, Size dstSize, const GpuMat_<float>& warpMat)
93{
94    return makeExpr(warpAffinePtr(src, dstSize, warpMat));
95}
96
97// warpPerspective
98
99template <class SrcPtr>
100__host__ Expr<RemapPtr1Sz<typename PtrTraits<SrcPtr>::ptr_type, PerspectiveMapPtr> >
101warpPerspective_(const SrcPtr& src, Size dstSize, const GpuMat_<float>& warpMat)
102{
103    return makeExpr(warpPerspectivePtr(src, dstSize, warpMat));
104}
105
106// pyrDown
107
108template <class SrcPtr> struct PyrDownBody
109{
110    SrcPtr src;
111
112    template <typename T>
113    __host__ void assignTo(GpuMat_<T>& dst, Stream& stream = Stream::Null()) const
114    {
115        gridPyrDown(src, dst, stream);
116    }
117};
118
119template <class SrcPtr>
120__host__ Expr<PyrDownBody<SrcPtr> >
121pyrDown_(const SrcPtr& src)
122{
123    PyrDownBody<SrcPtr> body;
124    body.src = src;
125    return makeExpr(body);
126}
127
128// pyrUp
129
130template <class SrcPtr> struct PyrUpBody
131{
132    SrcPtr src;
133
134    template <typename T>
135    __host__ void assignTo(GpuMat_<T>& dst, Stream& stream = Stream::Null()) const
136    {
137        gridPyrUp(src, dst, stream);
138    }
139};
140
141template <class SrcPtr>
142__host__ Expr<PyrUpBody<SrcPtr> >
143pyrUp_(const SrcPtr& src)
144{
145    PyrUpBody<SrcPtr> body;
146    body.src = src;
147    return makeExpr(body);
148}
149
150// transpose
151
152template <class SrcPtr> struct TransposeBody
153{
154    SrcPtr src;
155
156    template <typename T>
157    __host__ void assignTo(GpuMat_<T>& dst, Stream& stream = Stream::Null()) const
158    {
159        gridTranspose(src, dst, stream);
160    }
161};
162
163template <class SrcPtr>
164__host__ Expr<TransposeBody<SrcPtr> >
165transpose_(const SrcPtr& src)
166{
167    TransposeBody<SrcPtr> body;
168    body.src = src;
169    return makeExpr(body);
170}
171
172//! @}
173
174}}
175
176#endif
177