MIRA
Functionals.h
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38 
47 #ifndef _MIRA_FUNCTIONALS_H_
48 #define _MIRA_FUNCTIONALS_H_
49 
50 #include <functional>
51 #include <iostream>
52 
53 namespace mira {
54 
56 
58 namespace Private {
59 
60 template <typename P, typename Op>
61 struct EvalFirstOf
62 {
63  EvalFirstOf(const Op& iOp, const typename P::first_type& iValue) :
64  op(iOp),
65  value(iValue)
66  {}
67 
68  bool operator()(const P& p)
69  {
70  return op(p.first, value);
71  }
72 
73  Op op;
74  typename P::first_type value;
75 };
76 
77 template <typename P, typename Op>
78 struct EvalSecondOf
79 {
80  EvalSecondOf(const Op& iOp, const typename P::second_type& iValue) :
81  op(iOp),
82  value(iValue) {}
83 
84  bool operator()(const P& p)
85  {
86  return op(p.second, value);
87  }
88 
89  Op op;
90  typename P::second_type value;
91 };
92 
93 } // namespace
95 
97 
112 template <typename P, typename Op>
113 Private::EvalFirstOf<P, Op> evalFirstOf(const Op& iOp,
114  const typename P::first_type& iValue)
115 {
116  return Private::EvalFirstOf<P,Op>(iOp, iValue);
117 }
118 
133 template <typename P, typename Op>
134 Private::EvalSecondOf<P, Op> evalSecondOf(const Op& iOp,
135  const typename P::second_type& iValue)
136 {
137  return Private::EvalSecondOf<P,Op>(iOp, iValue);
138 }
139 
141 
142 }
143 
144 #endif
specialize cv::DataType for our ImgPixel and inherit from cv::DataType<Vec>
Definition: IOService.h:67
Private::EvalFirstOf< P, Op > evalFirstOf(const Op &iOp, const typename P::first_type &iValue)
Functor for using STL functions like find_if, erase_if...
Definition: Functionals.h:113
Private::EvalSecondOf< P, Op > evalSecondOf(const Op &iOp, const typename P::second_type &iValue)
Functor for using stl functions like find_if, erase_if...
Definition: Functionals.h:134