Re: [gtk-list] Fastest pixel control under GDK

[RNG <r gasch chello nl>]

This fastest thing I know of, is GdkRGB ... check out 
	gdk_draw_rgb_image ()
it might just be what you're looking for ...

Greetings
--> R

On Sun, 17 Oct 1999, Steve Smith wrote:
> Hi All,
> 
> I writing a small render engine app in Gtk--, and as such I need to be
> able to draw a double-buffered image pixel-by-pixel as fast as
> possible.  What is the best method to do this?  GdkImage seems to be
> what I need, using put_pixel and draw_image (although I may be wrong),
> but I'm not sure how to get/set the right color values.  Does anybody
> have a some example code that shows how to do this?
> 
> I gather that Images cannot be drawn on using the normal Xlib commands
> (draw_polygon, etc.).  What is the preferred method for clearing an
> image, and are there any workarounds for polygon/line drawing on
> images?
> 
> I realise that this is probably X11 hacking 101, but I'm unfortunately
> not much of an X hacker.
> 
> Thanks,
> Steve
> 
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