[GRASS5] XDRIVER colour changes

[Markus Neteler]

On Wed, May 02, 2001 at 09:24:18AM +0100, Glynn Clements wrote:
> 
> I've just committed a bunch of non-trivial changes to XDRIVER's colour
> handling. If they cause anyone problems, the previous version can be
> retrieved using the "color_changes_20010502" tag.
> 
> The changes should result in better output in "fixed" colour mode on
> all visual types. I've tested it on XFree86, on 8/15/16/24-bit
> TrueColor and DirectColor visuals, and on 4/8-bit StaticGray,
> GrayScale, StaticColor and PseudoColor visuals (needless to say, 4-bit
> visuals don't produce particularly nice output).
> 
> If anyone has a system with other visual types, feedback would be
> appreciated.
> 
> Also, I had to force the use of a private Colormap for DirectColor
> visuals, mainly due to being unable to figure out how to do any colour
> handling other beyond filling an empty Colormap with writable colour
> cells.
> 
> If anyone knows of some worthwhile[1] documentation on the details of
> X Colormap handling (and DirectColor visuals in particular), I'd
> appreciate the information.
> 
> [1] as opposed to the X manpages and the Xlib documention in
> xc/doc/hardcopy/X11.

the new fixed are working well on Linux/x86 (Xfree4.0.2, KDE2,   depth of
root window: 16 planes according to xdpyinfo).

BTW: I have just added percentage output to d.rast. This is useful for large
maps to tell the user that d.rast is working unless the map is finally
displayed). Hope that's o.k. with everyone.

Regards

 Markus

PS: Solaris compile is running for testing the Xdriver...

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