[vtkusers] Why is CanReadFile protected for vtkPNGReader

[Mathieu Malaterre]

Tim Thornton wrote:
> Hi,
> 
> I’m using VTK 4.2.2, and have just written a function to read in an 
> image whose format may vary.
> 
> I test each of the possible formats using the CanReadFile function for 
> each of the image readers. This is public for all of the classes except 
> for vtkPNGReader, where it is protected.
> 
> Is this a bug or by design?


This is a bug, please add it to :

	http://vtk.org/Bug

And assign it to me.

Thank you !
Mathieu