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Re: automatically left-aligning custom dynamics


From: james
Subject: Re: automatically left-aligning custom dynamics
Date: Sun, 9 Sep 2012 08:50:22 +0200

On Sep 7, 2012, at 1:48 AM, David Nalesnik wrote:

> Hi James,
> 
> On Thu, Sep 6, 2012 at 5:00 PM, james <address@hidden> wrote:
>> I don't really understand it, but I can modify the examples of how to create 
>> custom dynamics to get what I want.
>> I have a document with several examples like:
>> rinforzamf = #(
>>   make-dynamic-script (
>>      markup #:line (
>>      #:left-align
>>      #:normal-text
>>      #:whiteout
>>      #:italic "rinforza"
>>      #:hspace 0
>>      #:whiteout
>>      #:dynamic "mf"
>>      )
>>  )
>> )
>> And a macro that left-aligns it:
>> leftalign = { \once \override Dynamics.DynamicText #'self-alignment-X = #-1 }
>> 
>> Heretofore, I've just been manually adding the \leftalign before the 
>> \rinforzamf (for example). Is there a way to get both of these in one 
>> command?
>> 
> 
> With the following definitions, you can get what you want with a
> single command.  Also, you can define other such combinations.
> 
> (BTW, I commented out two lines in the markup definition which I don't
> think are needed.)
> 
> HTH,
> David
> 
> %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
> 
> \version "2.17.1"
> 
> #(define (rinforza text)
>  (let* ((text
>        (markup
>          #:line (
>            ;#:left-align
>            #:normal-text
>            #:whiteout
>            #:italic "rinforza"
>            ;#:hspace 0
>            #:whiteout
>            #:dynamic text)))
>        (my-dyn (make-music 'AbsoluteDynamicEvent
>                            'text text)))
>  (set! (ly:music-property my-dyn 'tweaks)
>          (acons 'self-alignment-X -1
>                     (ly:music-property my-dyn 'tweaks)))
> my-dyn))
> 
> rinforzamf = #(rinforza "mf")
> rinforzap = #(rinforza "p")
> 
> \score {
>  \new Staff <<
>  { c'1 d' c' d' }
>  \new Dynamics {
>    s1*2\rinforzamf
>    s1*2\rinforzap
>  }
>>> 
> }

Hello, I'm having some difficulty understanding how to integrate this into my 
document. Is is possible to just add  (acons 'self-alignment-X -1 into the 
existing structure, and if so, where? Or does that not work?


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