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core: handle empty Mat in Mat_ assignment operators

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This commit is contained in:
Alexander Alekhin 2019-08-23 16:54:24 +03:00
parent 6bf6d1dc6b
commit d7409604b5
1 changed files with 10 additions and 0 deletions
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10
modules/core/include/opencv2/core/mat.inl.hpp
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@ -1744,6 +1744,11 @@ Mat_<_Tp>::Mat_(const std::array<_Tp, _Nm>& arr, bool copyData)
template<typename _Tp> inline template<typename _Tp> inline
Mat_<_Tp>& Mat_<_Tp>::operator = (const Mat& m) Mat_<_Tp>& Mat_<_Tp>::operator = (const Mat& m)
{ {
if (m.empty())
{
release();
return *this;
}
if( traits::Type<_Tp>::value == m.type() ) if( traits::Type<_Tp>::value == m.type() )
{ {
Mat::operator = (m); Mat::operator = (m);
@ -2125,6 +2130,11 @@ Mat_<_Tp>::Mat_(Mat&& m)
template<typename _Tp> inline template<typename _Tp> inline
Mat_<_Tp>& Mat_<_Tp>::operator = (Mat&& m) Mat_<_Tp>& Mat_<_Tp>::operator = (Mat&& m)
{ {
if (m.empty())
{
release();
return *this;
}
if( traits::Type<_Tp>::value == m.type() ) if( traits::Type<_Tp>::value == m.type() )
{ {
Mat::operator = ((Mat&&)m); Mat::operator = ((Mat&&)m);