vtkResourceStream support in vtkGLTFReader
This MR contains everything needed for a proper support of vtkResourceStream in vtkGLTFReader.
- A way to load URI (at least file and base64)
- For simplicity, Base64 decoding store data using the new
vtkMemoryResourceStreaminterface, to let it handle memory
- For simplicity, Base64 decoding store data using the new
- And finally a the reader code to plug everything.
As for vtkPLYReader or vtkOBJReader, code path for SetFileName-style loading use resource streams internally, vtkGLTFReader uses vtkURILoader too.