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Re: \startTrillSpan without the tr at the beginning?


From: Richard Shann
Subject: Re: \startTrillSpan without the tr at the beginning?
Date: Mon, 26 Jan 2015 11:40:20 +0000

On Mon, 2015-01-26 at 09:21 +0000, Richard Shann wrote:
> On Sun, 2015-01-25 at 20:54 +0100, Pierre Perol-Schneider wrote:
> > Try:
> > 
> > {
> >   b'-\tweak style #'zigzag \startTextSpan
> >   b' b'
> >   \stopTextSpan
> > }
> > 
> 
> That is a step forward - the zigzag distinguishes the sign from the
> prall ... looking up the documentation for TextSpanner leads to the same
> as before "stencil" is referred to as "The symbol to print." and  "the
> stencil callback" in successive entries
> http://lilypond.org/doc/v2.18/Documentation/internals/textspanner 
> 
> It looks like the actual drawing of zigzags and so on is in compiled
> code, and so not replaceable by the user without running GUB - at least
> I can't find any trace of it.
> 
> Thanks for all these suggestions, I guess an enhancement request would
> be for a wavy line zigzag ...

Come to think of it, I can't find the documentation for what values for
style are already available. The documentation mentions 'dashed-line but
how would the user know if 'wiggly-line was already available?

Richard




> 
> Richard
> 
> 
> > 
> > Pierre
> > 
> > 
> > 2015-01-25 20:14 GMT+01:00 Richard Shann <address@hidden>:
> >         On Sun, 2015-01-25 at 12:03 +0100, Pierre Perol-Schneider
> >         wrote:
> >         > Try :
> >         >
> >         > \version "2.18.2"
> >         >
> >         > {
> >         >   b'-\tweak bound-details.left.text #'()
> >         
> >         I've started to look more deeply to see if the sharp zig-zag
> >         line could
> >         be replaced by a user-defined line. I found this
> >         
> >         8><8><8><8><8><8><8><8><8><8><8><8><8><8><8><8><8><8><8><8><8><8><
> >         http://lilypond.org/doc/v2.18/Documentation/internals/trillspanner
> >         
> >          stencil (stencil):
> >         
> >             ly:line-spanner::print
> >         
> >             The symbol to print.
> >         8><8><8><8><8><8><8><8><8><8><8><8><8><8><8><8><8><8><8><8><8><8><
> >         This sounds strange - I would guess stencil is a procedure not
> >         a glyph
> >         (? what would symbol mean here?) - and indeed the next entry
> >         on that
> >         page is
> >         8><8><8><8><8><8><8><8><8><8><8><8><8><8><8><8><8><8><8><8><8><8><
> >          style (symbol):
> >         
> >             'trill
> >         
> >             This setting determines in what style a grob is typeset.
> >         Valid
> >         choices depend on the stencil callback reading this property.
> >         8><8><8><8><8><8><8><8><8><8><8><8><8><8><8><8><8><8><8><8><8><8><
> >         
> >         Is it on the cards to write some scheme procedure that stencil
> >         could be
> >         set to in order generate a more wavy line?
> >         
> >         
> >         Richard
> >         
> >         
> > 
> > 
> 
> 
> 
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