Peter Crowther wrote:
On 10 March 2010 15:30, János Löbb <janos.l...@yale.edu> wrote:

When I use the DVD Player from Apple, I cannot take a screenshot even if I
click myself to the Finder first.  So there is something already in practice
that prevents from taking a screenshot :-)

Yes - for an application that runs as a process on a particular operating
system, and generates the images within that application.  Even then, I
suspect there are ways of scraping the pixels from the video card's frame
buffer.

Like using a camera to make a picture ?



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