Windows layer storage/transmission.

A friend friend "at"
Wed, 02 Jan 2002 11:44:06 +0000

>> Why not, for the server, for the client it's no problem for sure. Is it
>> possible to capture the image from within a single window within
>> I think it is, since Alt-PrintScreen does the same thing. Monitoring
>> creation/deletion must be possible too.
> Hmmm, yes, I didn't think of that. However, wouldn't a global pixmap
> cache solve the same problem in a more general way? For example, the
> server would scan the screen for patterns that tend to repeat, and then
> send them to the client only once, thereafter sending only a reference
> number. Things like font characters, window borders, buttons, icons,
> etc. could then all be saved at the client, and the server would only
> send their arrangement.

Somewhat like zip compression algorithm. It should work, but you would still
loose underlying screen data, but as an extra compression option it could
speed things up too.
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