Re: Lyrics and Punctuations Alignment Issue?

Fri, 03 May 2013 19:08:24 -0700 

David, 

Thank you very much.  I try to do two punctuation to the left, but I cannot 
make it work.  Any help is appreciated.  Please refer to "a" and "c" from the 
.png

Thank again,
Ming.



>________________________________
> From: David Nalesnik <[email protected]>
>To: Jun Wang <[email protected]> 
>Cc: MING TSANG <[email protected]>; "[email protected]" 
><[email protected]> 
>Sent: Friday, May 3, 2013 9:00:52 PM
>Subject: Re: Lyrics and Punctuations Alignment Issue?
> 
>
>
>Hi Ming and Jun,
>
>
>This should work for the special period character.  If there are any other 
>punctuation marks you need at the ends of words, add them as strings to the 
>variable called "punct-right."  Note: punctuation which goes to the left is 
>handled differently.  If you need additional characters, add them to the 
>variable "punct-L" as characters--i.e. preceded by #\
>
>
>If you need any multi-byte characters for punctuation which goes to the left, 
>the function will need to be adapted.  Easy enough to do--just let me know.
>
>
>HTH,
>David
>
>
>%%%%%%%%%%%%%%%%%%%%%%%%%
>\version "2.16"
>
>
>#(define (drop-punctuation-right str)
>  (let ((punct-right '("," ";" ":" "?" "\"" "'" "!" "。")))
>    (let loop ((elt punct-right))
>      (if (null? elt)
>          #f
>          (if (string-suffix? (car elt) str)
>              (string-drop-right str (string-length (car elt)))
>              (loop (cdr elt)))))))
>
>
>#(define (drop-all-punctuation-right str)
>  (let ((core (drop-punctuation-right str)))
>    (if core
>        (drop-all-punctuation-right core)
>        str)))
>
>
>#(define (align grob)
>  (let* ((stil (ly:grob-property grob 'stencil))
>         (stil-X (ly:stencil-extent stil X))
>         (text (ly:grob-property grob 'text))
>         (punct-L (char-set #\" #\`))
>         ; determine X-extent of text stencil without punctuation at end
>         (text-L (drop-all-punctuation-right text))
>         (text-L-stil (grob-interpret-markup grob text-L))
>         (text-L-stil-X (ly:stencil-extent text-L-stil X))
>         (displacement (/ (- (cdr text-L-stil-X) (cdr stil-X)) 2))
>         ; determine X-extent of text stencil without punctuation at start
>         (text-R (string-trim text punct-L))
>         (text-R-stil (grob-interpret-markup grob text-R))
>         (text-R-stil-X (ly:stencil-extent text-R-stil X))
>         (displacement (+ displacement
>                          (/ (- (cdr stil-X) (cdr text-R-stil-X)) 2))))
>
>
>     (- (ly:self-alignment-interface::aligned-on-x-parent grob)
>        displacement)))
>
>
>\paper {
>  ragged-right = ##f
>}
>
>
>\relative c' {
>  \time 3/4 e4 e4. e8
>  d4 e d c2.
>}
>
>
>\addlyrics {
>  \override LyricText #'X-offset = #align
>  "\"I" am so lone -- "ly,\"" said she
>}
>\addlyrics {
>  \override LyricText #'X-offset = #align
>  樂無  極! 寶  名, 貝  名。 啊?
>}
>\addlyrics {
>  \override LyricText #'X-offset = #align
>  a b c d e f g
>}
>
>
\version "2.16"

#(define (drop-punctuation-right str)
  (let ((punct-right '("，" "；" "：" "？" "］" "）" "！" "。")))     % I updated this line
    (let loop ((elt punct-right))
      (if (null? elt)
          #f
          (if (string-suffix? (car elt) str)
              (string-drop-right str (string-length (car elt)))
              (loop (cdr elt)))))))

#(define (drop-all-punctuation-right str)
  (let ((core (drop-punctuation-right str)))
    (if core
        (drop-all-punctuation-right core)
        str)))


#(define (drop-punctuation-left str)		%line 19       I added line 19 - 32  and change all -right to -left
  (let ((punct-left '("［" "（" )))		% I modify  
    (let loop ((elt punct-left))
      (if (null? elt)
          #f
          (if (string-suffix? (car elt) str)
              (string-drop-left str (string-length (car elt)))
              (loop (cdr elt)))))))

#(define (drop-all-punctuation-left str)
  (let ((core (drop-punctuation-left str)))
    (if core
        (drop-all-punctuation-left core)
        str)))					%line 32



#(define (align grob)
  (let* ((stil (ly:grob-property grob 'stencil))
         (stil-X (ly:stencil-extent stil X))
         (text (ly:grob-property grob 'text))
         (punct-L (char-set #\" #\`))
         ; determine X-extent of text stencil without punctuation at end
         (text-L (drop-all-punctuation-right text))
         (text-L-stil (grob-interpret-markup grob text-L))
         (text-L-stil-X (ly:stencil-extent text-L-stil X))
         (displacement (/ (- (cdr text-L-stil-X) (cdr stil-X)) 2))
         ; determine X-extent of text stencil without punctuation at start
         (text-R (string-trim text punct-L))
         (text-R-stil (grob-interpret-markup grob text-R))
         (text-R-stil-X (ly:stencil-extent text-R-stil X))
         (displacement (+ displacement
                          (/ (- (cdr stil-X) (cdr text-R-stil-X)) 2))))

     (- (ly:self-alignment-interface::aligned-on-x-parent grob)
        displacement)))

\paper {
  ragged-right = ##f
}

\relative c' {
  \time 3/4 e4 e4. e8
  d4 e d c2.
}

\addlyrics {
  \override LyricText #'X-offset = #align
  "\"I" am so lone -- "ly,\"" said she
}
\addlyrics {
  \override LyricText #'X-offset = #align
  ［樂  極］ （寶  名） 貝？  名。 啊?
}
\addlyrics {
  \override LyricText #'X-offset = #align
  a b c d e f g
}

<<attachment: 2013-05-03_215757.png>>

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