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.
However, showing an image from a web server in a web browser does not give you operating system protection. - Peter
