Re: Fast Image Manipulation?

[George <jirka 5z com>]

On Wed, Nov 18, 1998 at 08:58:59AM -0500, SEGV wrote:
> Sorry, I realize I can't play with the actual display bits. In fact, they may
> not even be on this side of the earth. Although, I don't anticipate this working
> on non-local displays. Really I'm using X because I'm lazy and don't feel the
> need to learn SVGALIB or something like that. I'll scale back my requirements
> quite a bit before investigating other avenues.
> 
> If I use gdk_draw_pixmap, I'll need to keep separate ones though, right? I don't
> see how I can draw just a part of one. Is that much overhead, in practice? I'd
> assume no more than a dozen or so bytes...

you can definately draw a part of one pixmap onto a part of another pixmap
I know that drawpixmap is based on XCopyArea ... so you can look in the
manpage of that

George