[Octave-bug-tracker] [bug #48195] missing getframe function

[Pantxo Diribarne]

Follow-up Comment #10, bug #48195 (project octave):

So it looks like "grabFrameBuffer", the Qt wrapper around "glReadPixels", is
not very portable. I'll give "glReadPixels" a try.

As for capturing the whole screen it can't do the same job as retrieving
pixels from opengl: suppose the figure window is partially masked behind
another window then what you'll get is crap.  

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