[GRASS5] color VIOLET, listcolors

[Andreas Lange]

Hi,

in src/include/colors.h and some other places in the code the color
#define VIOLET 7 is used. 
This was used with the show.color.sh script until i removed violet from
there because it is not included in the list of available colors
(defined in src/include/colors.h). 
The X window driver has still a definition for violet and removes this
color from the list of available display colors (so that if you draw a
vector polygon over a raster it is always visible).

Is there any reason for not using violet?

I'd like to check in a module 'g.listcolors' or 'd.listcolors' that
returns a separated list of available colors for use in scripts. 
Although i hesitate to add just another module, i think that there must
be a method to get the list of colors as hard-coding this into scripts
or tcltkgrass is bad practice.

Please tell me if there are objections and if the module should be named
g.listcolors or d.listcolors.

cu,

Andreas
-- 
Andreas Lange, 65187 Wiesbaden, Germany, Tel. +49 611 807850
Andreas.Lange at Rhein-Main.de - A.C.Lange at GMX.net



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