-\version "2.11.57"
+\version "2.17.6"
\header {
- texidoc = "The 'flag property of the Stem grob can be set to a custom
+ texidoc = "The 'stencil property of the Flag grob can be set to a custom
scheme function to generate the glyph for the flag."
}
% test notes, which will be shown in different style:
testnotes = { \autoBeamOff c'8 d'16 c'32 d'64 \acciaccatura {c'8} d'64 c''8 d''16 c''32 d''64 \acciaccatura {c''8} d''64 }
-#(define-public (weight-flag stem-grob)
- (let* ((log (- (ly:grob-property stem-grob 'duration-log) 2))
+#(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 stem-grob 'stroke-style))
+ (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))
- (stroke-style (ly:grob-property stem-grob 'stroke-style))
+#(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 ""))))
- (ly:stencil-rotate stencil 180 -1 -1)))
+ (add-stroke-glyph flag grob dir stroke-style "")))
+ (rotated-flag (ly:stencil-rotate-absolute stencil 180 0 0)))
+ (ly:stencil-translate rotated-flag (cons (- (/ stem-width 2)) 0))))
{
- \override Score.RehearsalMark #'self-alignment-X = #LEFT
+ \override Score.RehearsalMark.self-alignment-X = #LEFT
\time 2/4
\mark "Function: weight-flag (custom)"
- \override Stem #'flag = #weight-flag
+ \override Flag.stencil = #weight-flag
\testnotes
\mark "Function: inverted-flag (custom)"
- \override Stem #'flag = #inverted-flag
+ \override Flag.stencil = #inverted-flag
\testnotes
}