VTK - proper checking of both width and height (not scaled up and not under 1px)
VTK - proper checking of both width and height (not scaled up and not under 1px)

vtkio/vtk,vtkio/vtk,vtkio/vtk,vtkio/vtk,vtkio/vtk,vtkio/vtk,vtkio/vtk,vtkio/vtk