[Rd] Re: legend()s text color

[Uwe Ligges]

Martin Maechler wrote:

> {moved from R-help to R-devel}
> 
> 
>>>>>>"UweL" == Uwe Ligges <ligges at statistik.uni-dortmund.de>
>>>>>>    on Tue, 24 Feb 2004 19:05:46 +0100 writes:
> 
> 
>     UweL> Sebastien Durand wrote:
>     >> Hi,
>     >> 
>     >> Is there a way to change the color of the text inside a legend, let say 
>     >> I would like to use a black background in my legend, how can I get the 
>     >> text to show up, it is black!!!
>     >> So for example how could I change it to white...?
>     >> 
>     >> Sebastien
> 
> 
>     UweL> By setting par(fg = "white"):
> 
>     UweL> plot(1:10)
>     UweL> par(fg="white")
>     UweL> legend(2,2, col="white", legend="A", bg="black")
> 
> or  par(col = "white"),
> as Marc has suggested.
> 
> legend()'s source code makes it very straightforward to add an
> argument 'text.col' for this purpose, and I have already done so
> in my development version.
> The question is really if the default should be
>    text.col = par("col")
> or text.col = par("fg")
> 
> I'd currently tend for  par("col") , but the tendency is weak.
>

I agree, I would expect the lines around the legend's box in par("fg"), 
but the font in par("col"). And indeed, that's already the case if both 
values have been set in par().

Uwe