[GRASS5] Color code cleanup

Glynn Clements glynn at gclements.plus.com
Wed Apr 19 04:34:29 EDT 2006

Cedric Shock wrote:

> Display code might want to tack on another indexed color for the non-standard 
> color table. This does avoid lookup of RGB value in a table on an indexed 
> display, right? Setting colors seems to be being done fairly infrequently so 
> this probably isn't a big performance concern.
> Is there any R_ protocol command for none. Something that just turns off 
> drawing until another color gets set?


The notion of "none" is only applicable to the raster operations,
where index zero can optionally indicate transparent (used by e.g. 
"d.rast -o ...").

Glynn Clements <glynn at gclements.plus.com>

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