Re: How to override bar line?

[Erik Sandberg]

On Thursday 29 September 2005 09.45, Mats Bengtsson wrote:
> Sounds like a useful idea. Just one comment - maybe "left" and "right"
> are not the best names since it's rather related to before and after the
> line break. I don't have any better idea of a concise naming, though.

I think left/right is the convention currently used -- the 'direction' 
parameter to break-glyph-function is -1 after break, and 1 before break. 
Usually 'after' is notated 1, and 'before' -1; this indicates that -1 here 
stands for 'left'.

> Erik Sandberg wrote:
> >On Wednesday 28 September 2005 15.38, Fairchild wrote:
> >>Erik -
> >>
> >>Is this documented somewhere?
> >>
> >>\once \override Score.BarLine #'break-glyph-function = #(lambda (glyph
> >> dir) (if (> 0 dir) "|." "|:"))
> >
> >Nope, it's something I created using my limited guru skills.
> >
> >I just looked quickly, and I think \leftBar and \rightBar would be pretty
> >clumsy to implement without changing the scheme code for \bar slightly.
> >
> >Han-Wen, would you accept well-written patches to introduce \leftBar and
> >\rightBar commands? Suggestion for semantics:
> >- \bar sets the barline style for barlines not at line breaks, plus
> > defaults for barlines at breaks
> >- \rightBar and \leftBar override the defaults set by \bar.
> >
> >So, essentially, there would be a 'left-break-glyph and 'right-break-glyph
> >which the default break-glyph-function will look for, and use to override
> > the default values.

-- 
Erik