Re: Adds Ferneyhough hairpins to LilyPond. (issue 7615043)

[address@hidden]

On 9 mars 2013, at 00:15, address@hidden wrote:

> Hi Mike,
> 
> one thought.
> 
> The image Trevor Bača posted
> http://lists.gnu.org/archive/html/lilypond-user/2013-03/pngIGBdggySyh.png
> shows that the left ends of a decrecsendo-hairpin are vertical aligned
> even if the hairpin isn't extended horizontal but ascending.
> Currently the vertical alignment is gone if the hairpin is rotated, and,
> afaik, this is the only way an ascending hairpin is available (apart
> from constructing a new one from scratch).
> 
> (Similiar for cresc-hairpins.)
> 
> Is it possible to extend your code to achieve this?
> Might be an interesting feature for common hairpins as well.
> 
> Since I don't know of I explained myself well enough, here some
> markup-code which mimics it:
> 
> #(define drag-hairpin 5) % try different values
> 
> \markup
>  \postscript
>  #(string-append
>  "
>    0 1.5 moveto
>    0.5 -0.75 rlineto
>    15
>    "
>    (number->string (+ -0.75 drag-hairpin))
>    "
>    rlineto
> 
>    0 -1.5 moveto
>    0.5 0.75 rlineto
>    15
>    "
>    (number->string (+ 0.75 drag-hairpin))
>    "
>    rlineto
>    stroke
> 
>    % a red line to show vertical alignment:
> 
>    gsave
>    0 3 moveto
>    1 0 0 setrgbcolor
>    0 -6 rlineto
>    stroke
>    grestore
>   ")
> 
> 
> 
> 
> 
> 
> https://codereview.appspot.com/7615043/

 Hey Harm,

I think it's worth adding an issue to the tracker for this. You can make a 
minimal example with the hairpins in current master.

Cheers,
MS