[Insight-users] Smart pointers casting

[Karthik Krishnan]

On Mon, Aug 30, 2010 at 4:49 AM, Antonin Perrot-Audet <
antonin07130 at gmail.com> wrote:

>
> But I get an invalid cast error
>
>
> itk::ProcessObject::Pointer m_itkFilter;
> [...]
> typedef itk::ImageToImageFilter<InputImageType> itkFilterType;
> typedef typename itkFilterType::Pointer itkFilterTypePointer;
>
> static_cast<itkFilterTypePointer>(m_itkFilter);
>
> Is there a way to do it ? The problem is that my class mustn't be template.
> There is only one template function : to set the input of the filter.
>

itkFilterTypePointer pDerived = static_cast< itkFilterType
*>(m_itkFilter.GetPointer());


>
> Also I was wondering : would the smart pointer destroy itself (and the
> associated object) in the end of the function, even if it is stored as a
> member of the object ?
>

no, if the class has the smartpointer as a member, it shouldn't go out of
scope.
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