Glen Berry wrote:

> On 29 May 2000 10:31:12 -0400, Warp <war### [at] tagpovrayorg> wrote:
>
> >  Btw, just for curiosity:
> >  It might be possible in Windows to create a program that shows an
> >image which can't be taken a snapshot of: Using DirectDraw to draw the image
> >directly on screen.
>
> I get a kick out of such thoughts.  :)
>
> Being a photographer, I have read of many people trying to protect
> their photos when displayed on their website. Sooner or later, someone
> finds a way to defeat the computer screen-capture feature and they
> assume their image is now secure.
>
> Then someone simply photographs the monitor with a real camera to
> capture the image, if they want it badly enough.   :)
>
> Later,
> Glen Berry
>
> ( Remove the "7" from 7no### [at] ezwvcom to email me. )

Though it would not take care of the 'photo of screen' problem you could write a
small program to take an image interlace it say 4 times ( each of the 4 'frames'
would have 1/4 of the lines and flip through them quickly to appear solid, though
a screen capture would only show one of the 4 frames.

My .02

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