Jonathan Kulp wrote:
> > Actually, just a couple of days ago, Neil Puttock helped me
> > implement some changes that will allow this to produce no
> > warnings. I'll send an updated macro when I get a chance.
> > - Mark
> >
> Cool! Looking forward to it.
Well, the warnings will be gone in 2.13.1, but users of 2.13.0 and
earlier (of which I am one) will have to put up with the warnings
for now.
Here is the updated file anyway. Lower the version number as
needed, but I like the original to reflect the version for which
it was developed.
Enjoy.
- Mark
%% In 2.13.0 and earlier, the following
%% warning may be triggered multiple times:
%% warning: Ignoring grob for slur: <grob>. avoid-slur not set?
%% This issue has been resolved in 2.13.1
\version "2.13.1"
#(define (parse-grob-sym grob-sym)
(let* ((grob-str (symbol->string grob-sym))
(dot-index (string-index grob-str #\.))
(context (if dot-index
(string-take grob-str dot-index)
"Voice"))
(grob (if dot-index
(substring grob-str (+ dot-index 1))
grob-str)))
(cons context grob)))
hideCurvesFrom =
#(define-music-function
(parser location grob-sym x-padding y-padding)
(symbol? pair? pair?)
(let* ((context (car (parse-grob-sym grob-sym)))
(top-grob (cdr (parse-grob-sym grob-sym))))
#{
\override Tie #'layer = #-2
\override Slur #'layer = #-2
\override PhrasingSlur #'layer = #-2
\override $context . $top-grob #'avoid-slur = #'ignore
\override $context . $top-grob #'layer = #-1
\override $context . $top-grob #'stencil =
#(lambda (grob)
(define (get-stil-proc alist)
;; removes the first 'stencil entry from the grob-property
;; alist, implicitly created by this callback:
;; (stencil . #<procedure #f (grob)>)
;; and then retrieves the original 'stencil procedure.
(let ((stil-proc (ly:assoc-get 'stencil alist)))
(if (procedure-name stil-proc)
stil-proc
(begin (set! alist (assoc-remove! alist 'stencil))
(get-stil-proc alist)))))
(let* ((basic-props (ly:grob-basic-properties grob))
(stil-proc (get-stil-proc basic-props))
(this-stil (stil-proc grob))
(stil-x-ext (ly:stencil-extent this-stil 0))
(stil-y-ext (ly:stencil-extent this-stil 1))
(box-x-ext (cons (- (car stil-x-ext) (car $x-padding))
(+ (cdr stil-x-ext) (cdr $x-padding))))
(box-y-ext (cons (- (car stil-y-ext) (car $y-padding))
(+ (cdr stil-y-ext) (cdr $y-padding))))
(box-w (- (cdr box-x-ext) (car box-x-ext)))
(box-h (- (cdr box-y-ext) (car box-y-ext))))
(ly:stencil-add
(ly:make-stencil
(list 'embedded-ps
(ly:format
(string-append "gsave\n"
"currentpoint translate\n"
"1 setgray\n"
"~4f ~4f ~4f ~4f rectfill\n"
"grestore\n")
(car box-x-ext)
(car box-y-ext)
box-w
box-h))
stil-x-ext
stil-y-ext)
this-stil)))
#}))
revertHideCurvesFrom =
#(define-music-function
(parser location grob-sym)
(symbol?)
(let* ((context (car (parse-grob-sym grob-sym)))
(top-grob (cdr (parse-grob-sym grob-sym))))
#{
\revert Tie #'layer
\revert Slur #'layer
\revert PhrasingSlur #'layer
\revert $context . $top-grob #'avoid-slur
\revert $context . $top-grob #'layer
\revert $context . $top-grob #'stencil
#}))
%%%%%%%%%%%%%%%%%% EXAMPLE %%%%%%%%%%%%%%%%%%
%{
\version "2.13.1"
\pointAndClickOff
\relative {
\repeat volta 2 {
%% syntax: \hideCurvesFrom [grob] [x-padding] [y-padding]
% always call \hideCurvesFrom before the curve starts:
\hideCurvesFrom #'Fingering #'(0.3 . 0.3) #'(0 . 0)
\hideCurvesFrom #'Staff.KeySignature #'(0.3 . 0.3) #'(0 . 0)
\hideCurvesFrom #'Staff.TimeSignature #'(0.3 . 0.3) #'(0 . 0)
% a negative padding value can prevent whiteout near an edge:
\hideCurvesFrom #'Staff.Clef #'(0.3 . 0.3) #'(0 . -0.5)
\clef bass
\once \override TextScript #'extra-offset = #'(-8 . 0)
e,2.\(^\markup \fontsize #-1 \italic
{tacet la \concat {1 \super \lower #0.5 ma} volta:}
d4( |
\clef treble \key g \major
c''4)^2 c2 b4~ |
\time 3/4
b2\)
% updating a previously entered command:
\hideCurvesFrom #'Staff.Clef #'(0.3 . 0.3) #'(0 . 0)
fis4( |
\clef bass \time 2/4
d,4)
% always call \hideCurvesFrom before the curve starts:
\hideCurvesFrom #'Score.VoltaBracket #'(0.3 . 0.8) #'(3 . 0)
e4( |
}
\alternative {
{ r2 | }
{
% revert commands independently as needed:
\revertHideCurvesFrom #'Score.VoltaBracket
d2)
}
}
% revert commands when no longer needed:
\revertHideCurvesFrom #'Fingering
\revertHideCurvesFrom #'Staff.Clef
\revertHideCurvesFrom #'Staff.KeySignature
\revertHideCurvesFrom #'Staff.TimeSignature
}
%}_______________________________________________
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