Re: Help defining commands

[Guy Shaviv]

That's correct, I'm interested in how you can set up a command that takes a
parameter. I actually even need two parameters as a partial barre has two
parameters, on what fret and on how many strings. While for the full barre I
can setup 12 commands (e.g. \barreI \barreII ...), its impractical to setup
all the permutations for the partial barre, that would take 60 commands).

--
Guy Shaviv

---------- Original Message -----------
From: rtml <address@hidden>
To: Mats Bengtsson <address@hidden>
Cc: lilypond-user <address@hidden>
Sent: Tue, 25 Nov 2003 10:44:48 +0100
Subject: Re: Help defining commands

> Hi Mats and all
> 
> At 09:21 25/11/2003 +0100, Mats Bengtsson wrote:
> >Simple, just say something like
> >
> >startBarre = \notes{
> >  \property blabla.blabla \override #'blalba  = #blablabla
> >  ...
> >  \startTextSpan
> >}
> 
> That's fine, but I think you have missed one part ogf Guy's question. Is it 
> possible to pass a parameter
> to the startBarre macro/function ? Because the text must be variable. It's 
> a C followed by roman numerals of the fret (I to XII or more)
> It would be nice to state \startBarre{VII} or something similar. Other way 
> would be to define 12 or more functions :-(
> 
> >Guy Shaviv wrote:
> >
> >>I'm trying to typeset music for classical guitar for which I need to be 
> >>able to produce the barre symbol. I've managed to acheive the desired 
> >>output with text spanners via the code:
> >>
> >>\property Voice.TextSpanner \set #'edge-text = #'("C II " . "")
> >>\property Voice.TextSpanner \set #'direction = #1
> >>\property Voice.TextSpanner \set #'style = #'line
> >>\property Voice.TextSpanner \set #'edge-height = #'(0 . 0.5)
> >>\property Voice.TextSpanner \set #'padding = #1
> >>\property Voice.TextSpanner \set #'enclose-bounds = ##t
> >>
> >>c''\startTextSpan ..... \stopTextSpan
> >>
> >>I'de like to define this as a pair of commands. The first would be 
> >>\statBarre which would take as a parameter the barre position, say 
> >>\startBarre "IV". The position has to be concatinated with the "C" symbol 
> >>and replaced as the first parameter in the edge-text property. The second 
> >>command is a simple \stopBarre which I think I can do by just defining:
> >>
> >>stopBarre = \stopTextSpan.
> >>
> >>Thanks.
> >>--
> >>Guy Shaviv
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> >>
> >>
> >>
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------- End of Original Message -------

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