-%% Do not edit this file; it is automatically
-%% generated from LSR http://lsr.dsi.unimi.it
-%% This file is in the public domain.
-\version "2.13.31"
+% DO NOT EDIT this file manually; it is automatically
+% generated from Documentation/snippets/new
+% Make any changes in Documentation/snippets/new/
+% and then run scripts/auxiliar/makelsr.py
+%
+% This file is in the public domain.
+%% Note: this file works from version 2.15.15
+\version "2.16.0"
\header {
lsrtags = "rhythms, tweaks-and-overrides"
texidoc = "
-The @code{flag} property of the Stem grob can be set to a custom scheme
+The @code{stencil} property of the Flag grob can be set to a custom scheme
function to generate the glyph for the flag.
"
doctitle = "Generating custom flags"
} % begin verbatim
-#(define-public (weight-flag stem-grob)
- (let* ((log (- (ly:grob-property stem-grob 'duration-log) 2))
- (is-up (eqv? (ly:grob-property stem-grob 'direction) UP))
- (yext (if is-up (cons (* log -0.8) 0) (cons 0 (* log 0.8))))
- (flag-stencil (make-filled-box-stencil '(-0.4 . 0.4) yext))
- (stroke-style (ly:grob-property stem-grob 'stroke-style))
- (stroke-stencil (if (equal? stroke-style "grace") (make-line-stencil 0.2 -0.9 -0.4 0.9 -0.4) empty-stencil)))
- (ly:stencil-add flag-stencil stroke-stencil)))
+
+#(define-public (weight-flag grob)
+ (let* ((stem-grob (ly:grob-parent grob X))
+ (log (- (ly:grob-property stem-grob 'duration-log) 2))
+ (is-up? (eqv? (ly:grob-property stem-grob 'direction) UP))
+ (yext (if is-up? (cons (* log -0.8) 0) (cons 0 (* log 0.8))))
+ (flag-stencil (make-filled-box-stencil '(-0.4 . 0.4) yext))
+ (stroke-style (ly:grob-property grob 'stroke-style))
+ (stroke-stencil (if (equal? stroke-style "grace")
+ (make-line-stencil 0.2 -0.9 -0.4 0.9 -0.4)
+ empty-stencil)))
+ (ly:stencil-add flag-stencil stroke-stencil)))
% Create a flag stencil by looking up the glyph from the font
-#(define (inverted-flag stem-grob)
- (let* ((dir (if (eqv? (ly:grob-property stem-grob 'direction) UP) "d" "u"))
- (flag (retrieve-glyph-flag "" dir "" stem-grob))
- (line-thickness (ly:staff-symbol-line-thickness stem-grob))
- (stem-thickness (ly:grob-property stem-grob 'thickness))
- (stem-width (* line-thickness stem-thickness))
- (stroke-style (ly:grob-property stem-grob 'stroke-style))
- (stencil (if (null? stroke-style) flag
- (add-stroke-glyph flag stem-grob dir stroke-style "")))
- (rotated-flag (ly:stencil-rotate-absolute stencil 180 0 0)))
- (ly:stencil-translate rotated-flag (cons (- (/ stem-width 2)) 0))))
+#(define (inverted-flag grob)
+ (let* ((stem-grob (ly:grob-parent grob X))
+ (dir (if (eqv? (ly:grob-property stem-grob 'direction) UP) "d" "u"))
+ (flag (retrieve-glyph-flag "" dir "" grob))
+ (line-thickness (ly:staff-symbol-line-thickness grob))
+ (stem-thickness (ly:grob-property stem-grob 'thickness))
+ (stem-width (* line-thickness stem-thickness))
+ (stroke-style (ly:grob-property grob 'stroke-style))
+ (stencil (if (null? stroke-style)
+ flag
+ (add-stroke-glyph flag stem-grob dir stroke-style "")))
+ (rotated-flag (ly:stencil-rotate-absolute stencil 180 0 0)))
+ (ly:stencil-translate rotated-flag (cons (- (/ stem-width 2)) 0))))
snippetexamplenotes = { \autoBeamOff c'8 d'16 c'32 d'64 \acciaccatura {c'8} d'64 }
\snippetexamplenotes
\mark "Custom flag: inverted"
- \override Stem #'flag = #inverted-flag
+ \override Flag #'stencil = #inverted-flag
\snippetexamplenotes
\mark "Custom flag: weight"
- \override Stem #'flag = #weight-flag
+ \override Flag #'stencil = #weight-flag
\snippetexamplenotes
\mark "Revert to normal"
- \revert Stem #'flag
+ \revert Flag #'stencil
\snippetexamplenotes
}