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Enabled forEach for const Mats

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This commit is contained in:
Maksim Shabunin 2017-09-07 11:35:14 +03:00
parent 2ac57a2b1f
commit c92c99ed0b
2 changed files with 19 additions and 1 deletions
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2
modules/core/include/opencv2/core/mat.inl.hpp
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@ -1214,7 +1214,7 @@ void Mat::forEach(const Functor& operation) {
template<typename _Tp, typename Functor> inline template<typename _Tp, typename Functor> inline
void Mat::forEach(const Functor& operation) const { void Mat::forEach(const Functor& operation) const {
// call as not const // call as not const
(const_cast<Mat*>(this))->forEach<const _Tp>(operation); (const_cast<Mat*>(this))->forEach<_Tp>(operation);
} }
template<typename _Tp> inline template<typename _Tp> inline

18
modules/core/test/test_mat.cpp
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@ -671,6 +671,13 @@ struct InitializerFunctor5D{
} }
}; };
template<typename Pixel>
struct EmptyFunctor
{
void operator()(const Pixel &, const int *) const {}
};
void Core_ArrayOpTest::run( int /* start_from */) void Core_ArrayOpTest::run( int /* start_from */)
{ {
int errcount = 0; int errcount = 0;
@ -799,6 +806,17 @@ void Core_ArrayOpTest::run( int /* start_from */)
} }
} }
// test const cv::Mat::forEach
{
const Mat a(10, 10, CV_32SC3);
Mat b(10, 10, CV_32SC3);
const Mat & c = b;
a.forEach<Point3i>(EmptyFunctor<Point3i>());
b.forEach<Point3i>(EmptyFunctor<const Point3i>());
c.forEach<Point3i>(EmptyFunctor<Point3i>());
// tests compilation, no runtime check is needed
}
RNG rng; RNG rng;
const int MAX_DIM = 5, MAX_DIM_SZ = 10; const int MAX_DIM = 5, MAX_DIM_SZ = 10;
// sparse matrix operations // sparse matrix operations