Re: Fast Image Manipulation?

[mawarkus t-online de (Matthias Warkus)]

George schrieb:
> 
> On Wed, Nov 18, 1998 at 01:17:40AM -0500, SEGV wrote:
> > What I need is an equivalent of bitblt (Win32 function) to just copy bits of one
> > image to another. But I don't see one offhand. Presumably I could manually play
> > with the bits. Is that what this will come to?
> >
> > Or are there any other good suggestions?
> 
> well unlike dos or windows ... you can't manipulate bits directly ... the
> image (pixmap) is stored on the server ... and the only way to get to it is
> though X calls ... if you did operations in the client space you need to
> get them into server space (read slow) ... what you need is to store
> everything as pixmaps and use gdk_draw_pixmap

Call me a fool, but can't you diddle display memory directly with DGA?

mawa
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