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43
44 #pragma once
45
46 #ifndef __OPENCV_CUDEV_PTR2D_MASK_HPP__
47 #define __OPENCV_CUDEV_PTR2D_MASK_HPP__
48
49 #include "../common.hpp"
50 #include "traits.hpp"
51
52 namespace cv { namespace cudev {
53
54 //! @addtogroup cudev
55 //! @{
56
57 struct WithOutMask
58 {
59 typedef bool value_type;
60 typedef int index_type;
61
operator ()cv::cudev::WithOutMask62 __device__ __forceinline__ bool operator ()(int, int) const
63 {
64 return true;
65 }
66 };
67
68 template <class MaskPtr> struct SingleMaskChannels
69 {
70 typedef typename PtrTraits<MaskPtr>::value_type value_type;
71 typedef typename PtrTraits<MaskPtr>::index_type index_type;
72
73 MaskPtr mask;
74 int channels;
75
operator ()cv::cudev::SingleMaskChannels76 __device__ __forceinline__ value_type operator()(index_type y, index_type x) const
77 {
78 return mask(y, x / channels);
79 }
80
81 };
82
83 template <class MaskPtr> struct SingleMaskChannelsSz : SingleMaskChannels<MaskPtr>
84 {
85 int rows, cols;
86 };
87
88 template <class MaskPtr>
89 __host__ SingleMaskChannelsSz<typename PtrTraits<MaskPtr>::ptr_type>
singleMaskChannels(const MaskPtr & mask,int channels)90 singleMaskChannels(const MaskPtr& mask, int channels)
91 {
92 SingleMaskChannelsSz<typename PtrTraits<MaskPtr>::ptr_type> ptr;
93 ptr.mask = shrinkPtr(mask);
94 ptr.channels = channels;
95 ptr.rows = getRows(mask);
96 ptr.cols = getCols(mask) * channels;
97 return ptr;
98 }
99
100 template <class MaskPtr> struct PtrTraits< SingleMaskChannelsSz<MaskPtr> > : PtrTraitsBase<SingleMaskChannelsSz<MaskPtr>, SingleMaskChannels<MaskPtr> >
101 {
102 };
103
104 //! @}
105
106 }}
107
108 #endif
109