[Octave-bug-tracker] [bug #41240] image class is not preserved in cdata field of graphics handle

[Rik]

Follow-up Comment #2, bug #41240 (project octave):

This has been a known issue for a while.  See image.m and the following lines


  ## FIXME: Hack for integer formats which use zero-based indexing
  ##        Hack favors correctness of display over size of image in memory.
  ##        True fix must be done in C++ code for renderer. 
  if (ndims (img) == 2 && (isinteger (img) || islogical (img)))
    img = single (img) + 1;
  endif


which I added.  There is currently no support for integer formats (zero-based
indexing in the C++ renderer.


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