Re: Using linestyle for object border

[sfeam (E. Merritt) <eam...@gm...>]

On Thursday, 25 July 2013, Christoph Bersch wrote:
> Hi,
> 
> I was wondering, why using linestyles is not allowed for object borders. 
> The following is not allowed:
> 
> set object circle at 0,0 radius 1 fs empty border ls 1

Insufficient imagination at the time fillstyles were implemented :-)

The relevant structure is in term_api.h
typedef struct fill_style_type {
    int fillstyle;
    int filldensity;
    int fillpattern;
    t_colorspec border_color;
} fill_style_type;

You can see the only information held for the border is a color,
not a full line type or style.

If we're ever going to change that, right now during the long
run-up to version 5 is a good time.   A quick "grep border_color *.c" 
suggests there are at least 35 sites in the code that would be affected.

On the other hand, so far as I can think of there is a perfectly
adequate work-around already available - you can plot the 
object or graph twice, once describing the fill and a second
time describing the outline.   Have I missed a case where this
is not possible?

	Ethan

> I wanted to ask before I try to come up with a patch ;-)
> 
> Christoph
> 
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